Bug Summary

File:home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx
Warning:line 163, column 36
Division by zero

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name gdiimpl.cxx -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib64/clang/11.0.0 -isystem /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/glm -isystem /usr/include/glib-2.0 -isystem /usr/lib64/glib-2.0/include -isystem /usr/include/libmount -isystem /usr/include/blkid -isystem /usr/include/cairo -isystem /usr/include/glib-2.0 -isystem /usr/lib64/glib-2.0/include -isystem /usr/include/pixman-1 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/libxml2 -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -isystem /usr/include/dbus-1.0 -isystem /usr/lib64/dbus-1.0/include -isystem /usr/include/freetype2 -isystem /usr/include/libpng16 -D BOOST_ERROR_CODE_HEADER_ONLY -D BOOST_SYSTEM_NO_DEPRECATED -D CPPU_ENV=gcc3 -D LINUX -D OSL_DEBUG_LEVEL=1 -D SAL_LOG_INFO -D SAL_LOG_WARN -D UNIX -D UNX -D X86_64 -D _PTHREADS -D _REENTRANT -D VCL_DLLIMPLEMENTATION -D DLLIMPLEMENTATION_UITEST -D CUI_DLL_NAME="libcuilo.so" -D DESKTOP_DETECTOR_DLL_NAME="libdesktop_detectorlo.so" -D TK_DLL_NAME="libtklo.so" -D SYSTEM_ZLIB -D GLM_FORCE_CTOR_INIT -D SK_USER_CONFIG_HEADER=</home/maarten/src/libreoffice/core/config_host/config_skia.h> -D SKIA_DLL -D ENABLE_CUPS -D HAVE_VALGRIND_HEADERS -D EXCEPTIONS_ON -D LIBO_INTERNAL_ONLY -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/epoxy/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/core -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/effects -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/gpu -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/config -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/ports -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/include/third_party/vulkan -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia/tools/gpu -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/skia -I /home/maarten/src/libreoffice/core/external/skia/inc/ -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/mdds/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/lcms2/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/i18n -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/icu/source/common -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/harfbuzz/src -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/graphite/include -I /home/maarten/src/libreoffice/core/external/boost/include -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/boost -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/pdfium -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/pdfium/public -D COMPONENT_BUILD -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/libpng -I /home/maarten/src/libreoffice/core/workdir/UnpackedTarball/libjpeg-turbo -I /home/maarten/src/libreoffice/core/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include -I /usr/lib/jvm/java-11-openjdk-11.0.9.10-0.0.ea.fc33.x86_64/include/linux -I /home/maarten/src/libreoffice/core/config_host -I /home/maarten/src/libreoffice/core/vcl/inc -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/udkapi/normal -I /home/maarten/src/libreoffice/core/workdir/UnoApiHeadersTarget/offapi/normal -I /home/maarten/src/libreoffice/core/workdir/CustomTarget/officecfg/registry -I /usr/include/freetype2 -I /usr/include/libpng16 -I /usr/include/libxml2 -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10 -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/x86_64-redhat-linux -internal-isystem /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/backward -internal-isystem /usr/local/include -internal-isystem /usr/lib64/clang/11.0.0/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O0 -Wno-missing-braces -std=c++17 -fdeprecated-macro -fdebug-compilation-dir /home/maarten/src/libreoffice/core -ferror-limit 19 -fvisibility hidden -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -debug-info-kind=constructor -analyzer-output=html -faddrsig -o /home/maarten/tmp/wis/scan-build-libreoffice/output/report/2020-10-07-141433-9725-1 -x c++ /home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx
1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#include <skia/gdiimpl.hxx>
21
22#include <salgdi.hxx>
23#include <skia/salbmp.hxx>
24#include <vcl/idle.hxx>
25#include <vcl/svapp.hxx>
26#include <vcl/lazydelete.hxx>
27#include <vcl/gradient.hxx>
28#include <vcl/skia/SkiaHelper.hxx>
29#include <skia/utils.hxx>
30#include <skia/zone.hxx>
31
32#include <SkCanvas.h>
33#include <SkGradientShader.h>
34#include <SkPath.h>
35#include <SkRegion.h>
36#include <SkDashPathEffect.h>
37#include <GrBackendSurface.h>
38#include <SkTextBlob.h>
39#include <SkRSXform.h>
40
41#include <numeric>
42#include <basegfx/polygon/b2dpolygontools.hxx>
43#include <basegfx/polygon/b2dpolypolygontools.hxx>
44#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
45#include <o3tl/sorted_vector.hxx>
46
47namespace
48{
49// Create Skia Path from B2DPolygon
50// Note that polygons generally have the complication that when used
51// for area (fill) operations they usually miss the right-most and
52// bottom-most line of pixels of the bounding rectangle (see
53// https://lists.freedesktop.org/archives/libreoffice/2019-November/083709.html).
54// So be careful with rectangle->polygon conversions (generally avoid them).
55void addPolygonToPath(const basegfx::B2DPolygon& rPolygon, SkPath& rPath)
56{
57 const sal_uInt32 nPointCount(rPolygon.count());
58
59 if (nPointCount <= 1)
60 return;
61
62 const bool bClosePath(rPolygon.isClosed());
63 const bool bHasCurves(rPolygon.areControlPointsUsed());
64
65 bool bFirst = true;
66
67 sal_uInt32 nCurrentIndex = 0;
68 sal_uInt32 nPreviousIndex = nPointCount - 1;
69
70 basegfx::B2DPoint aCurrentPoint;
71 basegfx::B2DPoint aPreviousPoint;
72
73 for (sal_uInt32 nIndex = 0; nIndex <= nPointCount; nIndex++)
74 {
75 if (nIndex == nPointCount && !bClosePath)
76 continue;
77
78 // Make sure we loop the last point to first point
79 nCurrentIndex = nIndex % nPointCount;
80 aCurrentPoint = rPolygon.getB2DPoint(nCurrentIndex);
81
82 if (bFirst)
83 {
84 rPath.moveTo(aCurrentPoint.getX(), aCurrentPoint.getY());
85 bFirst = false;
86 }
87 else if (!bHasCurves)
88 {
89 rPath.lineTo(aCurrentPoint.getX(), aCurrentPoint.getY());
90 }
91 else
92 {
93 basegfx::B2DPoint aPreviousControlPoint = rPolygon.getNextControlPoint(nPreviousIndex);
94 basegfx::B2DPoint aCurrentControlPoint = rPolygon.getPrevControlPoint(nCurrentIndex);
95
96 if (aPreviousControlPoint.equal(aPreviousPoint)
97 && aCurrentControlPoint.equal(aCurrentPoint))
98 rPath.lineTo(aCurrentPoint.getX(), aCurrentPoint.getY()); // a straight line
99 else
100 {
101 if (aPreviousControlPoint.equal(aPreviousPoint))
102 {
103 aPreviousControlPoint
104 = aPreviousPoint + ((aPreviousControlPoint - aCurrentPoint) * 0.0005);
105 }
106 if (aCurrentControlPoint.equal(aCurrentPoint))
107 {
108 aCurrentControlPoint
109 = aCurrentPoint + ((aCurrentControlPoint - aPreviousPoint) * 0.0005);
110 }
111 rPath.cubicTo(aPreviousControlPoint.getX(), aPreviousControlPoint.getY(),
112 aCurrentControlPoint.getX(), aCurrentControlPoint.getY(),
113 aCurrentPoint.getX(), aCurrentPoint.getY());
114 }
115 }
116 aPreviousPoint = aCurrentPoint;
117 nPreviousIndex = nCurrentIndex;
118 }
119 if (bClosePath)
120 {
121 rPath.close();
122 }
123}
124
125void addPolyPolygonToPath(const basegfx::B2DPolyPolygon& rPolyPolygon, SkPath& rPath)
126{
127 const sal_uInt32 nPolygonCount(rPolyPolygon.count());
128
129 if (nPolygonCount == 0)
130 return;
131
132 for (const auto& rPolygon : rPolyPolygon)
133 {
134 addPolygonToPath(rPolygon, rPath);
135 }
136}
137
138// Check if the given polygon contains a straight line. If not, it consists
139// solely of curves.
140bool polygonContainsLine(const basegfx::B2DPolyPolygon& rPolyPolygon)
141{
142 if (!rPolyPolygon.areControlPointsUsed())
20
←
Assuming the condition is false
→
21
←
Taking false branch
→
143 return true; // no curves at all
144 for (const auto& rPolygon : rPolyPolygon)
22
←
Assuming '__begin1' is not equal to '__end1'
→
145 {
146 const sal_uInt32 nPointCount(rPolygon.count());
23
←
'nPointCount' initialized here
→
147 bool bFirst = true;
148
149 const bool bClosePath(rPolygon.isClosed());
150
151 sal_uInt32 nCurrentIndex = 0;
152 sal_uInt32 nPreviousIndex = nPointCount - 1;
153
154 basegfx::B2DPoint aCurrentPoint;
155 basegfx::B2DPoint aPreviousPoint;
156
157 for (sal_uInt32 nIndex = 0; nIndex
23.1
'nIndex' is <= 'nPointCount'
 <= nPointCount; nIndex++)
24
←
Loop condition is true. Entering loop body
→
158 {
159 if (nIndex == nPointCount && !bClosePath)
25
←
Assuming 'nIndex' is equal to 'nPointCount'
→
26
←
Assuming 'bClosePath' is true
→
27
←
Taking false branch
→
160 continue;
161
162 // Make sure we loop the last point to first point
163 nCurrentIndex = nIndex % nPointCount;
28
←
Division by zero
164 if (bFirst)
165 bFirst = false;
166 else
167 {
168 basegfx::B2DPoint aPreviousControlPoint
169 = rPolygon.getNextControlPoint(nPreviousIndex);
170 basegfx::B2DPoint aCurrentControlPoint
171 = rPolygon.getPrevControlPoint(nCurrentIndex);
172
173 if (aPreviousControlPoint.equal(aPreviousPoint)
174 && aCurrentControlPoint.equal(aCurrentPoint))
175 {
176 return true; // found a straight line
177 }
178 }
179 aPreviousPoint = aCurrentPoint;
180 nPreviousIndex = nCurrentIndex;
181 }
182 }
183 return false; // no straight line found
184}
185
186SkColor toSkColor(Color color)
187{
188 return SkColorSetARGB(255 - color.GetTransparency(), color.GetRed(), color.GetGreen(),
189 color.GetBlue());
190}
191
192SkColor toSkColorWithTransparency(Color aColor, double fTransparency)
193{
194 return SkColorSetA(toSkColor(aColor), 255 * (1.0 - fTransparency));
195}
196
197SkColor toSkColorWithIntensity(Color color, int intensity)
198{
199 return SkColorSetARGB(255 - color.GetTransparency(), color.GetRed() * intensity / 100,
200 color.GetGreen() * intensity / 100, color.GetBlue() * intensity / 100);
201}
202
203Color fromSkColor(SkColor color)
204{
205 return Color(255 - SkColorGetA(color)(((color) >> 24) & 0xFF), SkColorGetR(color)(((color) >> 16) & 0xFF), SkColorGetG(color)(((color) >> 8) & 0xFF),
206 SkColorGetB(color)(((color) >> 0) & 0xFF));
207}
208
209// returns true if the source or destination rectangles are invalid
210bool checkInvalidSourceOrDestination(SalTwoRect const& rPosAry)
211{
212 return rPosAry.mnSrcWidth <= 0 || rPosAry.mnSrcHeight <= 0 || rPosAry.mnDestWidth <= 0
213 || rPosAry.mnDestHeight <= 0;
214}
215
216} // end anonymous namespace
217
218// Class that triggers flushing the backing buffer when idle.
219class SkiaFlushIdle : public Idle
220{
221 SkiaSalGraphicsImpl* mpGraphics;
222#ifndef NDEBUG
223 char* debugname;
224#endif
225
226public:
227 explicit SkiaFlushIdle(SkiaSalGraphicsImpl* pGraphics)
228 : Idle(get_debug_name(pGraphics))
229 , mpGraphics(pGraphics)
230 {
231 // We don't want to be swapping before we've painted.
232 SetPriority(TaskPriority::POST_PAINT);
233 }
234#ifndef NDEBUG
235 virtual ~SkiaFlushIdle() { free(debugname); }
236#endif
237 const char* get_debug_name(SkiaSalGraphicsImpl* pGraphics)
238 {
239#ifndef NDEBUG
240 // Idle keeps just a pointer, so we need to store the string
241 debugname = strdup(
242 OString("skia idle 0x" + OString::number(reinterpret_cast<sal_uIntPtr>(pGraphics), 16))
243 .getStr());
244 return debugname;
245#else
246 (void)pGraphics;
247 return "skia idle";
248#endif
249 }
250
251 virtual void Invoke() override
252 {
253 mpGraphics->performFlush();
254 Stop();
255 SetPriority(TaskPriority::HIGHEST);
256 }
257};
258
259SkiaSalGraphicsImpl::SkiaSalGraphicsImpl(SalGraphics& rParent, SalGeometryProvider* pProvider)
260 : mParent(rParent)
261 , mProvider(pProvider)
262 , mIsGPU(false)
263 , mLineColor(SALCOLOR_NONE)
264 , mFillColor(SALCOLOR_NONE)
265 , mXorMode(false)
266 , mFlush(new SkiaFlushIdle(this))
267 , mPendingOperationsToFlush(0)
268{
269}
270
271SkiaSalGraphicsImpl::~SkiaSalGraphicsImpl()
272{
273 assert(!mSurface)(static_cast <bool> (!mSurface) ? void (0) : __assert_fail
("!mSurface", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 273, __extension__ __PRETTY_FUNCTION__));
274 assert(!mWindowContext)(static_cast <bool> (!mWindowContext) ? void (0) : __assert_fail
("!mWindowContext", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 274, __extension__ __PRETTY_FUNCTION__));
275}
276
277void SkiaSalGraphicsImpl::Init() {}
278
279void SkiaSalGraphicsImpl::recreateSurface()
280{
281 destroySurface();
282 createSurface();
283}
284
285void SkiaSalGraphicsImpl::createSurface()
286{
287 SkiaZone zone;
288 if (isOffscreen())
289 createOffscreenSurface();
290 else
291 createWindowSurface();
292 mSurface->getCanvas()->save(); // see SetClipRegion()
293 mClipRegion = vcl::Region(tools::Rectangle(0, 0, GetWidth(), GetHeight()));
294
295 // We don't want to be swapping before we've painted.
296 mFlush->Stop();
297 mFlush->SetPriority(TaskPriority::POST_PAINT);
298}
299
300void SkiaSalGraphicsImpl::createWindowSurface(bool forceRaster)
301{
302 SkiaZone zone;
303 assert(!isOffscreen())(static_cast <bool> (!isOffscreen()) ? void (0) : __assert_fail
("!isOffscreen()", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 303, __extension__ __PRETTY_FUNCTION__));
304 assert(!mSurface)(static_cast <bool> (!mSurface) ? void (0) : __assert_fail
("!mSurface", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 304, __extension__ __PRETTY_FUNCTION__));
305 assert(!mWindowContext)(static_cast <bool> (!mWindowContext) ? void (0) : __assert_fail
("!mWindowContext", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 305, __extension__ __PRETTY_FUNCTION__));
306 createWindowContext(forceRaster);
307 if (mWindowContext)
308 mSurface = mWindowContext->getBackbufferSurface();
309 if (!mSurface)
310 {
311 switch (SkiaHelper::renderMethodToUse())
312 {
313 case SkiaHelper::RenderVulkan:
314 SAL_WARN("vcl.skia",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "vcl.skia")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "cannot create Vulkan GPU window surface, falling back to Raster"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "cannot create Vulkan GPU window surface, falling back to Raster"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "cannot create Vulkan GPU window surface, falling back to Raster"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "cannot create Vulkan GPU window surface, falling back to Raster"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "cannot create Vulkan GPU window surface, falling back to Raster"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "cannot create Vulkan GPU window surface, falling back to Raster"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
315 "cannot create Vulkan GPU window surface, falling back to Raster")do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "vcl.skia")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "cannot create Vulkan GPU window surface, falling back to Raster"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "cannot create Vulkan GPU window surface, falling back to Raster"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "cannot create Vulkan GPU window surface, falling back to Raster"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "cannot create Vulkan GPU window surface, falling back to Raster"
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "cannot create Vulkan GPU window surface, falling back to Raster"
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "cannot create Vulkan GPU window surface, falling back to Raster"
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "315" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
316 destroySurface(); // destroys also WindowContext
317 return createWindowSurface(true); // try again
318 case SkiaHelper::RenderRaster:
319 abort(); // This should not really happen, do not even try to cope with it.
320 }
321 }
322 mIsGPU = mSurface->getCanvas()->getGrContext() != nullptr;
323#ifdef DBG_UTIL
324 SkiaHelper::prefillSurface(mSurface);
325#endif
326}
327
328void SkiaSalGraphicsImpl::createOffscreenSurface()
329{
330 SkiaZone zone;
331 assert(isOffscreen())(static_cast <bool> (isOffscreen()) ? void (0) : __assert_fail
("isOffscreen()", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 331, __extension__ __PRETTY_FUNCTION__));
332 assert(!mSurface)(static_cast <bool> (!mSurface) ? void (0) : __assert_fail
("!mSurface", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 332, __extension__ __PRETTY_FUNCTION__));
333 assert(!mWindowContext)(static_cast <bool> (!mWindowContext) ? void (0) : __assert_fail
("!mWindowContext", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 333, __extension__ __PRETTY_FUNCTION__));
334 // When created (especially on Windows), Init() gets called with size (0,0), which is invalid size
335 // for Skia. May happen also in rare cases such as shutting down (tdf#131939).
336 int width = std::max(1, GetWidth());
337 int height = std::max(1, GetHeight());
338 switch (SkiaHelper::renderMethodToUse())
339 {
340 case SkiaHelper::RenderVulkan:
341 {
342 if (SkiaHelper::getSharedGrDirectContext())
343 {
344 mSurface = SkiaHelper::createSkSurface(width, height);
345 if (mSurface)
346 {
347 mIsGPU = mSurface->getCanvas()->getGrContext() != nullptr;
348 return;
349 }
350 }
351 break;
352 }
353 default:
354 break;
355 }
356 // Create raster surface as a fallback.
357 mSurface = SkiaHelper::createSkSurface(width, height);
358 assert(mSurface)(static_cast <bool> (mSurface) ? void (0) : __assert_fail
("mSurface", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 358, __extension__ __PRETTY_FUNCTION__));
359 assert(!mSurface->getCanvas()->getGrContext())(static_cast <bool> (!mSurface->getCanvas()->getGrContext
()) ? void (0) : __assert_fail ("!mSurface->getCanvas()->getGrContext()"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 359
, __extension__ __PRETTY_FUNCTION__)); // is not GPU-backed
360 mIsGPU = false;
361}
362
363void SkiaSalGraphicsImpl::destroySurface()
364{
365 SkiaZone zone;
366 if (mSurface)
367 {
368 // check setClipRegion() invariant
369 assert(mSurface->getCanvas()->getSaveCount() == 2)(static_cast <bool> (mSurface->getCanvas()->getSaveCount
() == 2) ? void (0) : __assert_fail ("mSurface->getCanvas()->getSaveCount() == 2"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 369
, __extension__ __PRETTY_FUNCTION__));
370 // if this fails, something forgot to use SkAutoCanvasRestore
371 assert(mSurface->getCanvas()->getTotalMatrix().isIdentity())(static_cast <bool> (mSurface->getCanvas()->getTotalMatrix
().isIdentity()) ? void (0) : __assert_fail ("mSurface->getCanvas()->getTotalMatrix().isIdentity()"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 371
, __extension__ __PRETTY_FUNCTION__));
372 }
373 // If we use e.g. Vulkan, we must destroy the surface before the context,
374 // otherwise destroying the surface will reference the context. This is
375 // handled by calling destroySurface() before destroying the context.
376 // However we also need to flush the surface before destroying it,
377 // otherwise when destroying the context later there still could be queued
378 // commands referring to the surface data. This is probably a Skia bug,
379 // but work around it here.
380 if (mSurface)
381 mSurface->flushAndSubmit();
382 mSurface.reset();
383 mWindowContext.reset();
384 mIsGPU = false;
385}
386
387void SkiaSalGraphicsImpl::DeInit() { destroySurface(); }
388
389void SkiaSalGraphicsImpl::preDraw()
390{
391 assert(comphelper::SolarMutex::get()->IsCurrentThread())(static_cast <bool> (comphelper::SolarMutex::get()->
IsCurrentThread()) ? void (0) : __assert_fail ("comphelper::SolarMutex::get()->IsCurrentThread()"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 391
, __extension__ __PRETTY_FUNCTION__));
392 SkiaZone::enter(); // matched in postDraw()
393 checkSurface();
394 checkPendingDrawing();
395}
396
397void SkiaSalGraphicsImpl::postDraw()
398{
399 scheduleFlush();
400 // Skia (at least when using Vulkan) queues drawing commands and executes them only later.
401 // But tdf#136369 leads to creating and queueing many tiny bitmaps, which makes
402 // Skia slow, and may make it even run out of memory. So force a flush if such
403 // a problematic operation has been performed too many times without a flush.
404 if (mPendingOperationsToFlush > 1000)
405 {
406 mSurface->flushAndSubmit();
407 mPendingOperationsToFlush = 0;
408 }
409 SkiaZone::leave(); // matched in preDraw()
410 // If there's a problem with the GPU context, abort.
411 if (GrContext* context = mSurface->getCanvas()->getGrContext())
412 {
413 // Running out of memory on the GPU technically could be possibly recoverable,
414 // but we don't know the exact status of the surface (and what has or has not been drawn to it),
415 // so in practice this is unrecoverable without possible data loss.
416 if (context->oomed())
417 {
418 SAL_WARN("vcl.skia", "GPU context has run out of memory, aborting.")do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "vcl.skia")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "GPU context has run out of memory, aborting."
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "418" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "GPU context has run out of memory, aborting."
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "GPU context has run out of memory, aborting."; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"), (
"/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx" ":"
"418" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "GPU context has run out of memory, aborting.") ==
1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "418" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "GPU context has run out of memory, aborting."
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "GPU context has run out of memory, aborting."; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"), (
"/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx" ":"
"418" ": "), sal_detail_stream, 0); }; std::abort(); break; }
} } while (false);
419 abort();
420 }
421 // Unrecoverable problem.
422 if (context->abandoned())
423 {
424 SAL_WARN("vcl.skia", "GPU context has been abandoned, aborting.")do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_WARN
, "vcl.skia")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break; case
SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "GPU context has been abandoned, aborting."
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "424" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "GPU context has been abandoned, aborting."
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "GPU context has been abandoned, aborting."; ::sal::
detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "424" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "GPU context has been abandoned, aborting.") == 1
) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "424" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "GPU context has been abandoned, aborting."
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "GPU context has been abandoned, aborting."; ::sal::
detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("vcl.skia"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "424" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
425 abort();
426 }
427 }
428}
429
430void SkiaSalGraphicsImpl::scheduleFlush()
431{
432 if (!isOffscreen())
433 {
434 if (!Application::IsInExecute())
435 performFlush(); // otherwise nothing would trigger idle rendering
436 else if (!mFlush->IsActive())
437 mFlush->Start();
438 }
439}
440
441// VCL can sometimes resize us without telling us, update the surface if needed.
442// Also create the surface on demand if it has not been created yet (it is a waste
443// to create it in Init() if it gets recreated later anyway).
444void SkiaSalGraphicsImpl::checkSurface()
445{
446 if (!mSurface)
447 {
448 createSurface();
449 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "create(" << this
<< "): " << Size(mSurface->width(), mSurface->
height())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "create(" << this << "): "
<< Size(mSurface->width(), mSurface->height())),
0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "create(" << this << "): " << Size
(mSurface->width(), mSurface->height()); ::sal::detail::
log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "create(" << this << "): " << Size
(mSurface->width(), mSurface->height())) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "create(" << this << "): "
<< Size(mSurface->width(), mSurface->height())),
0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "create(" << this << "): " << Size
(mSurface->width(), mSurface->height()); ::sal::detail::
log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
450 "create(" << this << "): " << Size(mSurface->width(), mSurface->height()))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "create(" << this
<< "): " << Size(mSurface->width(), mSurface->
height())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "create(" << this << "): "
<< Size(mSurface->width(), mSurface->height())),
0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "create(" << this << "): " << Size
(mSurface->width(), mSurface->height()); ::sal::detail::
log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "create(" << this << "): " << Size
(mSurface->width(), mSurface->height())) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "create(" << this << "): "
<< Size(mSurface->width(), mSurface->height())),
0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "create(" << this << "): " << Size
(mSurface->width(), mSurface->height()); ::sal::detail::
log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "450" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
451 }
452 else if (GetWidth() != mSurface->width() || GetHeight() != mSurface->height())
453 {
454 if (!avoidRecreateByResize())
455 {
456 Size oldSize(mSurface->width(), mSurface->height());
457 // Recreating a surface means that the old SkSurface contents will be lost.
458 // But if a window has been resized the windowing system may send repaint events
459 // only for changed parts and VCL would not repaint the whole area, assuming
460 // that some parts have not changed (this is what seems to cause tdf#131952).
461 // So carry over the old contents for windows, even though generally everything
462 // will be usually repainted anyway.
463 sk_sp<SkImage> snapshot;
464 if (!isOffscreen())
465 {
466 flushDrawing();
467 snapshot = SkiaHelper::makeCheckedImageSnapshot(mSurface);
468 }
469 recreateSurface();
470 if (snapshot)
471 {
472 SkPaint paint;
473 paint.setBlendMode(SkBlendMode::kSrc); // copy as is
474 mSurface->getCanvas()->drawImage(snapshot, 0, 0, &paint);
475 }
476 SAL_INFO("vcl.skia.trace", "recreate(" << this << "): old " << oldSize << " new "do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "recreate(" << this
<< "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight())) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "recreate(" << this << "): old " <<
oldSize << " new " << Size(mSurface->width(),
mSurface->height()) << " requested " << Size(
GetWidth(), GetHeight())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
477 << Size(mSurface->width(), mSurface->height())do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "recreate(" << this
<< "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight())) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "recreate(" << this << "): old " <<
oldSize << " new " << Size(mSurface->width(),
mSurface->height()) << " requested " << Size(
GetWidth(), GetHeight())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
478 << " requested "do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "recreate(" << this
<< "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight())) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "recreate(" << this << "): old " <<
oldSize << " new " << Size(mSurface->width(),
mSurface->height()) << " requested " << Size(
GetWidth(), GetHeight())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
479 << Size(GetWidth(), GetHeight()))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "recreate(" << this
<< "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight())) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "recreate(" << this << "): old " <<
oldSize << " new " << Size(mSurface->width(),
mSurface->height()) << " requested " << Size(
GetWidth(), GetHeight())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "recreate(" << this << "): old "
<< oldSize << " new " << Size(mSurface->
width(), mSurface->height()) << " requested " <<
Size(GetWidth(), GetHeight())), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "recreate(" <<
this << "): old " << oldSize << " new " <<
Size(mSurface->width(), mSurface->height()) << " requested "
<< Size(GetWidth(), GetHeight()); ::sal::detail::log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "479" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
480 }
481 }
482}
483
484void SkiaSalGraphicsImpl::flushDrawing()
485{
486 if (!mSurface)
487 return;
488 checkPendingDrawing();
489 if (mXorMode)
490 applyXor();
491 mSurface->flushAndSubmit();
492 mPendingOperationsToFlush = 0;
493}
494
495bool SkiaSalGraphicsImpl::setClipRegion(const vcl::Region& region)
496{
497 if (mClipRegion == region)
498 return true;
499 SkiaZone zone;
500 checkPendingDrawing();
501 checkSurface();
502 mClipRegion = region;
503 SAL_INFO("vcl.skia.trace", "setclipregion(" << this << "): " << region)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "setclipregion(" <<
this << "): " << region) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "503" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "setclipregion(" << this <<
"): " << region), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "setclipregion(" << this <<
"): " << region; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "503" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "setclipregion(" << this << "): " <<
region) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "503" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "setclipregion(" << this <<
"): " << region), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "setclipregion(" << this <<
"): " << region; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "503" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
504 SkCanvas* canvas = mSurface->getCanvas();
505 // SkCanvas::clipRegion() can only further reduce the clip region,
506 // but we need to set the given region, which may extend it.
507 // So handle that by always having the full clip region saved on the stack
508 // and always go back to that. SkCanvas::restore() only affects the clip
509 // and the matrix.
510 assert(canvas->getSaveCount() == 2)(static_cast <bool> (canvas->getSaveCount() == 2) ? void
(0) : __assert_fail ("canvas->getSaveCount() == 2", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 510, __extension__ __PRETTY_FUNCTION__)); // = there is just one save()
511 canvas->restore();
512 canvas->save();
513 setCanvasClipRegion(canvas, region);
514 return true;
515}
516
517void SkiaSalGraphicsImpl::setCanvasClipRegion(SkCanvas* canvas, const vcl::Region& region)
518{
519 SkiaZone zone;
520 SkPath path;
521 // Always use region rectangles, regardless of what the region uses internally.
522 // That's what other VCL backends do, and trying to use addPolyPolygonToPath()
523 // in case a polygon is used leads to off-by-one errors such as tdf#133208.
524 RectangleVector rectangles;
525 region.GetRegionRectangles(rectangles);
526 for (const tools::Rectangle& rectangle : rectangles)
527 path.addRect(SkRect::MakeXYWH(rectangle.getX(), rectangle.getY(), rectangle.GetWidth(),
528 rectangle.GetHeight()));
529 path.setFillType(SkPathFillType::kEvenOdd);
530 canvas->clipPath(path);
531}
532
533void SkiaSalGraphicsImpl::ResetClipRegion()
534{
535 setClipRegion(vcl::Region(tools::Rectangle(0, 0, GetWidth(), GetHeight())));
536}
537
538const vcl::Region& SkiaSalGraphicsImpl::getClipRegion() const { return mClipRegion; }
539
540sal_uInt16 SkiaSalGraphicsImpl::GetBitCount() const { return 32; }
541
542long SkiaSalGraphicsImpl::GetGraphicsWidth() const { return GetWidth(); }
543
544void SkiaSalGraphicsImpl::SetLineColor()
545{
546 checkPendingDrawing();
547 mLineColor = SALCOLOR_NONE;
548}
549
550void SkiaSalGraphicsImpl::SetLineColor(Color nColor)
551{
552 checkPendingDrawing();
553 mLineColor = nColor;
554}
555
556void SkiaSalGraphicsImpl::SetFillColor()
557{
558 checkPendingDrawing();
559 mFillColor = SALCOLOR_NONE;
560}
561
562void SkiaSalGraphicsImpl::SetFillColor(Color nColor)
563{
564 checkPendingDrawing();
565 mFillColor = nColor;
566}
567
568void SkiaSalGraphicsImpl::SetXORMode(bool set, bool)
569{
570 if (mXorMode == set)
571 return;
572 checkPendingDrawing();
573 SAL_INFO("vcl.skia.trace", "setxormode(" << this << "): " << set)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "setxormode(" <<
this << "): " << set) == 1) { ::sal_detail_log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "573" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "setxormode(" << this << "): "
<< set), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "setxormode(" << this <<
"): " << set; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "573" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "setxormode(" << this << "): " <<
set) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO)
, ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "573" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "setxormode(" << this << "): "
<< set), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "setxormode(" << this <<
"): " << set; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "573" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
574 if (set)
575 mXorRegion.setEmpty();
576 else
577 applyXor();
578 mXorMode = set;
579}
580
581SkCanvas* SkiaSalGraphicsImpl::getXorCanvas()
582{
583 SkiaZone zone;
584 assert(mXorMode)(static_cast <bool> (mXorMode) ? void (0) : __assert_fail
("mXorMode", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 584, __extension__ __PRETTY_FUNCTION__));
585 // Skia does not implement xor drawing, so we need to handle it manually by redirecting
586 // to a temporary SkBitmap and then doing the xor operation on the data ourselves.
587 // There's no point in using SkSurface for GPU, we'd immediately need to get the pixels back.
588 if (!mXorCanvas)
589 {
590 // Use unpremultiplied alpha (see xor applying in applyXor()).
591 if (!mXorBitmap.tryAllocPixels(mSurface->imageInfo().makeAlphaType(kUnpremul_SkAlphaType)))
592 abort();
593 mXorBitmap.eraseARGB(0, 0, 0, 0);
594 mXorCanvas = std::make_unique<SkCanvas>(mXorBitmap);
595 setCanvasClipRegion(mXorCanvas.get(), mClipRegion);
596 }
597 return mXorCanvas.get();
598}
599
600void SkiaSalGraphicsImpl::applyXor()
601{
602 // Apply the result from the temporary bitmap manually. This is indeed
603 // slow, but it doesn't seem to be needed often and is optimized
604 // in each operation by extending mXorRegion with the area that should be
605 // updated.
606 assert(mXorMode)(static_cast <bool> (mXorMode) ? void (0) : __assert_fail
("mXorMode", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 606, __extension__ __PRETTY_FUNCTION__));
607 if (!mSurface || !mXorCanvas
608 || !mXorRegion.op(SkIRect::MakeXYWH(0, 0, mSurface->width(), mSurface->height()),
609 SkRegion::kIntersect_Op))
610 {
611 mXorRegion.setEmpty();
612 return;
613 }
614 SAL_INFO("vcl.skia.trace", "applyxor(" << this << "): " << mXorRegion)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "applyxor(" << this
<< "): " << mXorRegion) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "614" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "applyxor(" << this << "): "
<< mXorRegion), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "applyxor(" << this <<
"): " << mXorRegion; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "614" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "applyxor(" << this << "): " <<
mXorRegion) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "614" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "applyxor(" << this << "): "
<< mXorRegion), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "applyxor(" << this <<
"): " << mXorRegion; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "614" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
615 // Copy the surface contents to another pixmap.
616 SkBitmap surfaceBitmap;
617 // Use unpremultiplied alpha format, so that we do not have to do the conversions to get
618 // the RGB and back (Skia will do it when converting, but it'll be presumably faster at it).
619 if (!surfaceBitmap.tryAllocPixels(mSurface->imageInfo().makeAlphaType(kUnpremul_SkAlphaType)))
620 abort();
621 SkPaint paint;
622 paint.setBlendMode(SkBlendMode::kSrc); // copy as is
623 SkCanvas canvas(surfaceBitmap);
624 canvas.drawImageRect(SkiaHelper::makeCheckedImageSnapshot(mSurface), mXorRegion.getBounds(),
625 SkRect::Make(mXorRegion.getBounds()), &paint);
626 // xor to surfaceBitmap
627 assert(surfaceBitmap.info().alphaType() == kUnpremul_SkAlphaType)(static_cast <bool> (surfaceBitmap.info().alphaType() ==
kUnpremul_SkAlphaType) ? void (0) : __assert_fail ("surfaceBitmap.info().alphaType() == kUnpremul_SkAlphaType"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 627
, __extension__ __PRETTY_FUNCTION__));
628 assert(mXorBitmap.info().alphaType() == kUnpremul_SkAlphaType)(static_cast <bool> (mXorBitmap.info().alphaType() == kUnpremul_SkAlphaType
) ? void (0) : __assert_fail ("mXorBitmap.info().alphaType() == kUnpremul_SkAlphaType"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 628
, __extension__ __PRETTY_FUNCTION__));
629 assert(surfaceBitmap.bytesPerPixel() == 4)(static_cast <bool> (surfaceBitmap.bytesPerPixel() == 4
) ? void (0) : __assert_fail ("surfaceBitmap.bytesPerPixel() == 4"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 629
, __extension__ __PRETTY_FUNCTION__));
630 assert(mXorBitmap.bytesPerPixel() == 4)(static_cast <bool> (mXorBitmap.bytesPerPixel() == 4) ?
void (0) : __assert_fail ("mXorBitmap.bytesPerPixel() == 4",
"/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 630
, __extension__ __PRETTY_FUNCTION__));
631 for (SkRegion::Iterator it(mXorRegion); !it.done(); it.next())
632 {
633 for (int y = it.rect().top(); y < it.rect().bottom(); ++y)
634 {
635 uint8_t* data = static_cast<uint8_t*>(surfaceBitmap.getAddr(it.rect().x(), y));
636 const uint8_t* xordata = static_cast<uint8_t*>(mXorBitmap.getAddr(it.rect().x(), y));
637 for (int x = 0; x < it.rect().width(); ++x)
638 {
639 *data++ ^= *xordata++;
640 *data++ ^= *xordata++;
641 *data++ ^= *xordata++;
642 // alpha is not xor-ed
643 data++;
644 xordata++;
645 }
646 }
647 }
648 surfaceBitmap.notifyPixelsChanged();
649 mSurface->getCanvas()->drawBitmapRect(surfaceBitmap, mXorRegion.getBounds(),
650 SkRect::Make(mXorRegion.getBounds()), &paint);
651 mXorCanvas.reset();
652 mXorBitmap.reset();
653 mXorRegion.setEmpty();
654}
655
656void SkiaSalGraphicsImpl::SetROPLineColor(SalROPColor nROPColor)
657{
658 checkPendingDrawing();
659 switch (nROPColor)
660 {
661 case SalROPColor::N0:
662 mLineColor = Color(0, 0, 0);
663 break;
664 case SalROPColor::N1:
665 mLineColor = Color(0xff, 0xff, 0xff);
666 break;
667 case SalROPColor::Invert:
668 mLineColor = Color(0xff, 0xff, 0xff);
669 break;
670 }
671}
672
673void SkiaSalGraphicsImpl::SetROPFillColor(SalROPColor nROPColor)
674{
675 checkPendingDrawing();
676 switch (nROPColor)
677 {
678 case SalROPColor::N0:
679 mFillColor = Color(0, 0, 0);
680 break;
681 case SalROPColor::N1:
682 mFillColor = Color(0xff, 0xff, 0xff);
683 break;
684 case SalROPColor::Invert:
685 mFillColor = Color(0xff, 0xff, 0xff);
686 break;
687 }
688}
689
690void SkiaSalGraphicsImpl::drawPixel(long nX, long nY) { drawPixel(nX, nY, mLineColor); }
691
692void SkiaSalGraphicsImpl::drawPixel(long nX, long nY, Color nColor)
693{
694 if (nColor == SALCOLOR_NONE)
695 return;
696 preDraw();
697 SAL_INFO("vcl.skia.trace", "drawpixel(" << this << "): " << Point(nX, nY) << ":" << nColor)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawpixel(" <<
this << "): " << Point(nX, nY) << ":" <<
nColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "697" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpixel(" << this << "): "
<< Point(nX, nY) << ":" << nColor), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"drawpixel(" << this << "): " << Point(nX,
nY) << ":" << nColor; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "697" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawpixel(" << this << "): " <<
Point(nX, nY) << ":" << nColor) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "697" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpixel(" << this << "): "
<< Point(nX, nY) << ":" << nColor), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"drawpixel(" << this << "): " << Point(nX,
nY) << ":" << nColor; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "697" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
698 addXorRegion(SkRect::MakeXYWH(nX, nY, 1, 1));
699 SkPaint paint;
700 paint.setColor(toSkColor(nColor));
701 // Apparently drawPixel() is actually expected to set the pixel and not draw it.
702 paint.setBlendMode(SkBlendMode::kSrc); // set as is, including alpha
703 getDrawCanvas()->drawPoint(toSkX(nX), toSkY(nY), paint);
704 postDraw();
705}
706
707void SkiaSalGraphicsImpl::drawLine(long nX1, long nY1, long nX2, long nY2)
708{
709 if (mLineColor == SALCOLOR_NONE)
710 return;
711 preDraw();
712 SAL_INFO("vcl.skia.trace", "drawline(" << this << "): " << Point(nX1, nY1) << "->"do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawline(" << this
<< "): " << Point(nX1, nY1) << "->" <<
Point(nX2, nY2) << ":" << mLineColor) == 1) { ::
sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawline(" << this << "): "
<< Point(nX1, nY1) << "->" << Point(nX2
, nY2) << ":" << mLineColor), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "drawline("
<< this << "): " << Point(nX1, nY1) <<
"->" << Point(nX2, nY2) << ":" << mLineColor
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawline(" << this << "): " <<
Point(nX1, nY1) << "->" << Point(nX2, nY2) <<
":" << mLineColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawline(" << this << "): "
<< Point(nX1, nY1) << "->" << Point(nX2
, nY2) << ":" << mLineColor), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "drawline("
<< this << "): " << Point(nX1, nY1) <<
"->" << Point(nX2, nY2) << ":" << mLineColor
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
713 << Point(nX2, nY2) << ":" << mLineColor)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawline(" << this
<< "): " << Point(nX1, nY1) << "->" <<
Point(nX2, nY2) << ":" << mLineColor) == 1) { ::
sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawline(" << this << "): "
<< Point(nX1, nY1) << "->" << Point(nX2
, nY2) << ":" << mLineColor), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "drawline("
<< this << "): " << Point(nX1, nY1) <<
"->" << Point(nX2, nY2) << ":" << mLineColor
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawline(" << this << "): " <<
Point(nX1, nY1) << "->" << Point(nX2, nY2) <<
":" << mLineColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawline(" << this << "): "
<< Point(nX1, nY1) << "->" << Point(nX2
, nY2) << ":" << mLineColor), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "drawline("
<< this << "): " << Point(nX1, nY1) <<
"->" << Point(nX2, nY2) << ":" << mLineColor
; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "713" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
714 addXorRegion(SkRect::MakeLTRB(nX1, nY1, nX2, nY2).makeSorted());
715 SkPaint paint;
716 paint.setColor(toSkColor(mLineColor));
717 paint.setAntiAlias(mParent.getAntiAlias());
718 getDrawCanvas()->drawLine(toSkX(nX1), toSkY(nY1), toSkX(nX2), toSkY(nY2), paint);
719 postDraw();
720}
721
722void SkiaSalGraphicsImpl::privateDrawAlphaRect(long nX, long nY, long nWidth, long nHeight,
723 double fTransparency, bool blockAA)
724{
725 preDraw();
726 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "privatedrawrect(" <<
this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth
, nHeight) << ":" << mLineColor << ":" <<
mFillColor << ":" << fTransparency) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "privatedrawrect(" << this <<
"): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) <<
":" << mLineColor << ":" << mFillColor <<
":" << fTransparency), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "privatedrawrect("
<< this << "): " << SkIRect::MakeXYWH(nX, nY
, nWidth, nHeight) << ":" << mLineColor << ":"
<< mFillColor << ":" << fTransparency; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "privatedrawrect(" << this << "): " <<
SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) << ":" <<
mLineColor << ":" << mFillColor << ":" <<
fTransparency) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "privatedrawrect(" << this <<
"): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) <<
":" << mLineColor << ":" << mFillColor <<
":" << fTransparency), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "privatedrawrect("
<< this << "): " << SkIRect::MakeXYWH(nX, nY
, nWidth, nHeight) << ":" << mLineColor << ":"
<< mFillColor << ":" << fTransparency; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
727 "privatedrawrect(" << this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "privatedrawrect(" <<
this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth
, nHeight) << ":" << mLineColor << ":" <<
mFillColor << ":" << fTransparency) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "privatedrawrect(" << this <<
"): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) <<
":" << mLineColor << ":" << mFillColor <<
":" << fTransparency), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "privatedrawrect("
<< this << "): " << SkIRect::MakeXYWH(nX, nY
, nWidth, nHeight) << ":" << mLineColor << ":"
<< mFillColor << ":" << fTransparency; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "privatedrawrect(" << this << "): " <<
SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) << ":" <<
mLineColor << ":" << mFillColor << ":" <<
fTransparency) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "privatedrawrect(" << this <<
"): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) <<
":" << mLineColor << ":" << mFillColor <<
":" << fTransparency), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "privatedrawrect("
<< this << "): " << SkIRect::MakeXYWH(nX, nY
, nWidth, nHeight) << ":" << mLineColor << ":"
<< mFillColor << ":" << fTransparency; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
728 << ":" << mLineColor << ":" << mFillColor << ":" << fTransparency)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "privatedrawrect(" <<
this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth
, nHeight) << ":" << mLineColor << ":" <<
mFillColor << ":" << fTransparency) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "privatedrawrect(" << this <<
"): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) <<
":" << mLineColor << ":" << mFillColor <<
":" << fTransparency), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "privatedrawrect("
<< this << "): " << SkIRect::MakeXYWH(nX, nY
, nWidth, nHeight) << ":" << mLineColor << ":"
<< mFillColor << ":" << fTransparency; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "privatedrawrect(" << this << "): " <<
SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) << ":" <<
mLineColor << ":" << mFillColor << ":" <<
fTransparency) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "privatedrawrect(" << this <<
"): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight) <<
":" << mLineColor << ":" << mFillColor <<
":" << fTransparency), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "privatedrawrect("
<< this << "): " << SkIRect::MakeXYWH(nX, nY
, nWidth, nHeight) << ":" << mLineColor << ":"
<< mFillColor << ":" << fTransparency; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "728" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
729 addXorRegion(SkRect::MakeXYWH(nX, nY, nWidth, nHeight));
730 SkCanvas* canvas = getDrawCanvas();
731 SkPaint paint;
732 paint.setAntiAlias(!blockAA && mParent.getAntiAlias());
733 if (mFillColor != SALCOLOR_NONE)
734 {
735 paint.setColor(toSkColorWithTransparency(mFillColor, fTransparency));
736 paint.setStyle(SkPaint::kFill_Style);
737 // HACK: If the polygon is just a line, it still should be drawn. But when filling
738 // Skia doesn't draw empty polygons, so in that case ensure the line is drawn.
739 if (mLineColor == SALCOLOR_NONE && SkSize::Make(nWidth, nHeight).isEmpty())
740 paint.setStyle(SkPaint::kStroke_Style);
741 canvas->drawIRect(SkIRect::MakeXYWH(nX, nY, nWidth, nHeight), paint);
742 }
743 if (mLineColor != SALCOLOR_NONE)
744 {
745 paint.setColor(toSkColorWithTransparency(mLineColor, fTransparency));
746 paint.setStyle(SkPaint::kStroke_Style);
747 // The obnoxious "-1 DrawRect()" hack that I don't understand the purpose of (and I'm not sure
748 // if anybody does), but without it some cases do not work. The max() is needed because Skia
749 // will not draw anything if width or height is 0.
750 canvas->drawIRect(
751 SkIRect::MakeXYWH(nX, nY, std::max(1L, nWidth - 1), std::max(1L, nHeight - 1)), paint);
752 }
753 postDraw();
754}
755
756void SkiaSalGraphicsImpl::drawRect(long nX, long nY, long nWidth, long nHeight)
757{
758 privateDrawAlphaRect(nX, nY, nWidth, nHeight, 0.0, true);
759}
760
761void SkiaSalGraphicsImpl::drawPolyLine(sal_uInt32 nPoints, const SalPoint* pPtAry)
762{
763 basegfx::B2DPolygon aPolygon;
764 aPolygon.append(basegfx::B2DPoint(pPtAry->mnX, pPtAry->mnY), nPoints);
765 for (sal_uInt32 i = 1; i < nPoints; ++i)
766 aPolygon.setB2DPoint(i, basegfx::B2DPoint(pPtAry[i].mnX, pPtAry[i].mnY));
767 aPolygon.setClosed(false);
768
769 drawPolyLine(basegfx::B2DHomMatrix(), aPolygon, 0.0, 1.0, nullptr, basegfx::B2DLineJoin::Miter,
770 css::drawing::LineCap_BUTT, basegfx::deg2rad(15.0) /*default*/, false);
771}
772
773void SkiaSalGraphicsImpl::drawPolygon(sal_uInt32 nPoints, const SalPoint* pPtAry)
774{
775 basegfx::B2DPolygon aPolygon;
776 aPolygon.append(basegfx::B2DPoint(pPtAry->mnX, pPtAry->mnY), nPoints);
777 for (sal_uInt32 i = 1; i < nPoints; ++i)
778 aPolygon.setB2DPoint(i, basegfx::B2DPoint(pPtAry[i].mnX, pPtAry[i].mnY));
779
780 drawPolyPolygon(basegfx::B2DHomMatrix(), basegfx::B2DPolyPolygon(aPolygon), 0.0);
781}
782
783void SkiaSalGraphicsImpl::drawPolyPolygon(sal_uInt32 nPoly, const sal_uInt32* pPoints,
784 PCONSTSALPOINT* pPtAry)
785{
786 basegfx::B2DPolyPolygon aPolyPolygon;
787 for (sal_uInt32 nPolygon = 0; nPolygon < nPoly; ++nPolygon)
1
Assuming 'nPolygon' is >= 'nPoly'
→
2
←
Loop condition is false. Execution continues on line 802
→
788 {
789 sal_uInt32 nPoints = pPoints[nPolygon];
790 if (nPoints)
791 {
792 PCONSTSALPOINT pSalPoints = pPtAry[nPolygon];
793 basegfx::B2DPolygon aPolygon;
794 aPolygon.append(basegfx::B2DPoint(pSalPoints->mnX, pSalPoints->mnY), nPoints);
795 for (sal_uInt32 i = 1; i < nPoints; ++i)
796 aPolygon.setB2DPoint(i, basegfx::B2DPoint(pSalPoints[i].mnX, pSalPoints[i].mnY));
797
798 aPolyPolygon.append(aPolygon);
799 }
800 }
801
802 drawPolyPolygon(basegfx::B2DHomMatrix(), aPolyPolygon, 0.0);
3
←
Calling 'SkiaSalGraphicsImpl::drawPolyPolygon'
→
803}
804
805bool SkiaSalGraphicsImpl::drawPolyPolygon(const basegfx::B2DHomMatrix& rObjectToDevice,
806 const basegfx::B2DPolyPolygon& rPolyPolygon,
807 double fTransparency)
808{
809 const bool bHasFill(mFillColor != SALCOLOR_NONE);
810 const bool bHasLine(mLineColor != SALCOLOR_NONE);
811
812 if (rPolyPolygon.count() == 0 || !(bHasFill
4.1
'bHasFill' is true
 || bHasLine) || fTransparency < 0.0
4
←
Assuming the condition is false
→
5
←
Assuming the condition is false
→
7
←
Taking false branch
→
813 || fTransparency >= 1.0)
6
←
Assuming the condition is false
→
814 return true;
815
816 basegfx::B2DPolyPolygon aPolyPolygon(rPolyPolygon);
817 aPolyPolygon.transform(rObjectToDevice);
818
819 SAL_INFO("vcl.skia.trace", "drawpolypolygon(" << this << "): " << aPolyPolygon << ":"do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawpolypolygon(" <<
this << "): " << aPolyPolygon << ":" <<
mLineColor << ":" << mFillColor) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpolypolygon(" << this <<
"): " << aPolyPolygon << ":" << mLineColor
<< ":" << mFillColor), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "drawpolypolygon("
<< this << "): " << aPolyPolygon << ":"
<< mLineColor << ":" << mFillColor; ::sal::
detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawpolypolygon(" << this << "): " <<
aPolyPolygon << ":" << mLineColor << ":" <<
mFillColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpolypolygon(" << this <<
"): " << aPolyPolygon << ":" << mLineColor
<< ":" << mFillColor), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "drawpolypolygon("
<< this << "): " << aPolyPolygon << ":"
<< mLineColor << ":" << mFillColor; ::sal::
detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
8
←
Taking true branch
→
9
←
'Default' branch taken. Execution continues on line 819
→
10
←
Loop condition is false. Exiting loop
→
820 << mLineColor << ":" << mFillColor)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawpolypolygon(" <<
this << "): " << aPolyPolygon << ":" <<
mLineColor << ":" << mFillColor) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpolypolygon(" << this <<
"): " << aPolyPolygon << ":" << mLineColor
<< ":" << mFillColor), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "drawpolypolygon("
<< this << "): " << aPolyPolygon << ":"
<< mLineColor << ":" << mFillColor; ::sal::
detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawpolypolygon(" << this << "): " <<
aPolyPolygon << ":" << mLineColor << ":" <<
mFillColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpolypolygon(" << this <<
"): " << aPolyPolygon << ":" << mLineColor
<< ":" << mFillColor), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "drawpolypolygon("
<< this << "): " << aPolyPolygon << ":"
<< mLineColor << ":" << mFillColor; ::sal::
detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "820" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
821
822 if (delayDrawPolyPolygon(aPolyPolygon, fTransparency))
11
←
Calling 'SkiaSalGraphicsImpl::delayDrawPolyPolygon'
→
823 {
824 scheduleFlush();
825 return true;
826 }
827
828 performDrawPolyPolygon(aPolyPolygon, fTransparency, mParent.getAntiAlias());
829 return true;
830}
831
832void SkiaSalGraphicsImpl::performDrawPolyPolygon(const basegfx::B2DPolyPolygon& aPolyPolygon,
833 double fTransparency, bool useAA)
834{
835 preDraw();
836
837 SkPath polygonPath;
838 addPolyPolygonToPath(aPolyPolygon, polygonPath);
839 polygonPath.setFillType(SkPathFillType::kEvenOdd);
840 addXorRegion(polygonPath.getBounds());
841
842 SkPaint aPaint;
843 aPaint.setAntiAlias(useAA);
844 // We normally use pixel at their center positions, but slightly off (see toSkX/Y()).
845 // With AA lines that "slightly off" causes tiny changes of color, making some tests
846 // fail. Since moving AA-ed line slightly to a side doesn't cause any real visual
847 // difference, just place exactly at the center. tdf#134346
848 const SkScalar posFix = useAA ? toSkXYFix : 0;
849 if (mFillColor != SALCOLOR_NONE)
850 {
851 SkPath path;
852 polygonPath.offset(toSkX(0) + posFix, toSkY(0) + posFix, &path);
853 aPaint.setColor(toSkColorWithTransparency(mFillColor, fTransparency));
854 aPaint.setStyle(SkPaint::kFill_Style);
855 // HACK: If the polygon is just a line, it still should be drawn. But when filling
856 // Skia doesn't draw empty polygons, so in that case ensure the line is drawn.
857 if (mLineColor == SALCOLOR_NONE && path.getBounds().isEmpty())
858 aPaint.setStyle(SkPaint::kStroke_Style);
859 getDrawCanvas()->drawPath(path, aPaint);
860 }
861 if (mLineColor != SALCOLOR_NONE)
862 {
863 SkPath path;
864 polygonPath.offset(toSkX(0) + posFix, toSkY(0) + posFix, &path);
865 aPaint.setColor(toSkColorWithTransparency(mLineColor, fTransparency));
866 aPaint.setStyle(SkPaint::kStroke_Style);
867 getDrawCanvas()->drawPath(path, aPaint);
868 }
869 postDraw();
870#if defined LINUX1
871 // WORKAROUND: The logo in the about dialog has drawing errors. This seems to happen
872 // only on Linux (not Windows on the same machine), with both AMDGPU and Mesa,
873 // and only when antialiasing is enabled. Flushing seems to avoid the problem.
874 if (useAA && SkiaHelper::getVendor() == DriverBlocklist::VendorAMD)
875 mSurface->flushAndSubmit();
876#endif
877}
878
879namespace
880{
881struct LessThan
882{
883 bool operator()(const basegfx::B2DPoint& point1, const basegfx::B2DPoint& point2) const
884 {
885 if (basegfx::fTools::equal(point1.getX(), point2.getX()))
886 return basegfx::fTools::less(point1.getY(), point2.getY());
887 return basegfx::fTools::less(point1.getX(), point2.getX());
888 }
889};
890} // namespace
891
892bool SkiaSalGraphicsImpl::delayDrawPolyPolygon(const basegfx::B2DPolyPolygon& aPolyPolygon,
893 double fTransparency)
894{
895 // There is some code that needlessly subdivides areas into adjacent rectangles,
896 // but Skia doesn't line them up perfectly if AA is enabled (e.g. Cairo, Qt5 do,
897 // but Skia devs claim it's working as intended
898 // https://groups.google.com/d/msg/skia-discuss/NlKpD2X_5uc/Vuwd-kyYBwAJ).
899 // An example is tdf#133016, which triggers SvgStyleAttributes::add_stroke()
900 // implementing a line stroke as a bunch of polygons instead of just one, and
901 // SvgLinearAtomPrimitive2D::create2DDecomposition() creates a gradient
902 // as a series of polygons of gradually changing color. Those places should be
903 // changed, but try to merge those split polygons back into the original one,
904 // where the needlessly created edges causing problems will not exist.
905 // This means drawing of such polygons needs to be delayed, so that they can
906 // be possibly merged with the next one.
907 // Merge only polygons of the same properties (color, etc.), so the gradient problem
908 // actually isn't handled here.
909
910 // Only AA polygons need merging, because they do not line up well because of the AA of the edges.
911 if (!mParent.getAntiAlias())
12
←
Assuming the condition is false
→
13
←
Taking false branch
→
912 return false;
913 // Only filled polygons without an outline are problematic.
914 if (mFillColor == SALCOLOR_NONE || mLineColor != SALCOLOR_NONE)
14
←
Taking false branch
→
915 return false;
916 // Merge only simple polygons, real polypolygons most likely aren't needlessly split,
917 // so they do not need joining.
918 if (aPolyPolygon.count() != 1)
15
←
Assuming the condition is false
→
16
←
Taking false branch
→
919 return false;
920 // If the polygon is not closed, it doesn't mark an area to be filled.
921 if (!aPolyPolygon.isClosed())
17
←
Assuming the condition is false
→
18
←
Taking false branch
→
922 return false;
923 // If a polygon does not contain a straight line, i.e. it's all curves, then do not merge.
924 // First of all that's even more expensive, and second it's very unlikely that it's a polygon
925 // split into more polygons.
926 if (!polygonContainsLine(aPolyPolygon))
19
←
Calling 'polygonContainsLine'
→
927 return false;
928
929 if (mLastPolyPolygonInfo.polygons.size() != 0
930 && (mLastPolyPolygonInfo.transparency != fTransparency
931 || !mLastPolyPolygonInfo.bounds.overlaps(aPolyPolygon.getB2DRange())))
932 {
933 checkPendingDrawing(); // Cannot be parts of the same larger polygon, draw the last and reset.
934 }
935 if (!mLastPolyPolygonInfo.polygons.empty())
936 {
937 assert(aPolyPolygon.count() == 1)(static_cast <bool> (aPolyPolygon.count() == 1) ? void (
0) : __assert_fail ("aPolyPolygon.count() == 1", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 937, __extension__ __PRETTY_FUNCTION__));
938 assert(mLastPolyPolygonInfo.polygons.back().count() == 1)(static_cast <bool> (mLastPolyPolygonInfo.polygons.back
().count() == 1) ? void (0) : __assert_fail ("mLastPolyPolygonInfo.polygons.back().count() == 1"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 938
, __extension__ __PRETTY_FUNCTION__));
939 // Check if the new and the previous polygon share at least one point. If not, then they
940 // cannot be adjacent polygons, so there's no point in trying to merge them.
941 bool sharePoint = false;
942 const basegfx::B2DPolygon& poly1 = aPolyPolygon.getB2DPolygon(0);
943 const basegfx::B2DPolygon& poly2 = mLastPolyPolygonInfo.polygons.back().getB2DPolygon(0);
944 o3tl::sorted_vector<basegfx::B2DPoint, LessThan> poly1Points; // for O(n log n)
945 poly1Points.reserve(poly1.count());
946 for (sal_uInt32 i = 0; i < poly1.count(); ++i)
947 poly1Points.insert(poly1.getB2DPoint(i));
948 for (sal_uInt32 i = 0; i < poly2.count(); ++i)
949 if (poly1Points.find(poly2.getB2DPoint(i)) != poly1Points.end())
950 {
951 sharePoint = true;
952 break;
953 }
954 if (!sharePoint)
955 checkPendingDrawing(); // Draw the previous one and reset.
956 }
957 // Collect the polygons that can be possibly merged. Do the merging only once at the end,
958 // because it's not a cheap operation.
959 mLastPolyPolygonInfo.polygons.push_back(aPolyPolygon);
960 mLastPolyPolygonInfo.bounds.expand(aPolyPolygon.getB2DRange());
961 mLastPolyPolygonInfo.transparency = fTransparency;
962 return true;
963}
964
965void SkiaSalGraphicsImpl::checkPendingDrawing()
966{
967 if (mLastPolyPolygonInfo.polygons.size() != 0)
968 { // Flush any pending polygon drawing.
969 basegfx::B2DPolyPolygonVector polygons;
970 std::swap(polygons, mLastPolyPolygonInfo.polygons);
971 double transparency = mLastPolyPolygonInfo.transparency;
972 mLastPolyPolygonInfo.bounds.reset();
973 if (polygons.size() == 1)
974 performDrawPolyPolygon(polygons.front(), transparency, true);
975 else
976 // TODO: tdf#136222 shows that basegfx::utils::mergeToSinglePolyPolygon() is unreliable
977 // in corner cases, possibly either a bug or rounding errors somewhere.
978 performDrawPolyPolygon(basegfx::utils::mergeToSinglePolyPolygon(polygons), transparency,
979 true);
980 }
981}
982
983bool SkiaSalGraphicsImpl::drawPolyLine(const basegfx::B2DHomMatrix& rObjectToDevice,
984 const basegfx::B2DPolygon& rPolyLine, double fTransparency,
985 double fLineWidth, const std::vector<double>* pStroke,
986 basegfx::B2DLineJoin eLineJoin,
987 css::drawing::LineCap eLineCap, double fMiterMinimumAngle,
988 bool bPixelSnapHairline)
989{
990 if (!rPolyLine.count() || fTransparency < 0.0 || fTransparency > 1.0
991 || mLineColor == SALCOLOR_NONE)
992 {
993 return true;
994 }
995
996 preDraw();
997 SAL_INFO("vcl.skia.trace", "drawpolyline(" << this << "): " << rPolyLine << ":" << mLineColor)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawpolyline(" <<
this << "): " << rPolyLine << ":" <<
mLineColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "997" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpolyline(" << this <<
"): " << rPolyLine << ":" << mLineColor), 0
); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawpolyline(" << this << "): " <<
rPolyLine << ":" << mLineColor; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "997" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawpolyline(" << this << "): " <<
rPolyLine << ":" << mLineColor) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "997" ": "), ::sal::detail::unwrapStream( ::sal::detail::
StreamStart() << "drawpolyline(" << this <<
"): " << rPolyLine << ":" << mLineColor), 0
); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawpolyline(" << this << "): " <<
rPolyLine << ":" << mLineColor; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "997" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
998
999 // tdf#124848 get correct LineWidth in discrete coordinates,
1000 if (fLineWidth == 0) // hairline
1001 fLineWidth = 1.0;
1002 else // Adjust line width for object-to-device scale.
1003 fLineWidth = (rObjectToDevice * basegfx::B2DVector(fLineWidth, 0)).getLength();
1004
1005 // Transform to DeviceCoordinates, get DeviceLineWidth, execute PixelSnapHairline
1006 basegfx::B2DPolyPolygon aPolyPolygonLine;
1007 aPolyPolygonLine.append(rPolyLine);
1008 aPolyPolygonLine.transform(rObjectToDevice);
1009 if (bPixelSnapHairline)
1010 {
1011 aPolyPolygonLine = basegfx::utils::snapPointsOfHorizontalOrVerticalEdges(aPolyPolygonLine);
1012 }
1013
1014 // Setup Line Join
1015 SkPaint::Join eSkLineJoin = SkPaint::kMiter_Join;
1016 switch (eLineJoin)
1017 {
1018 case basegfx::B2DLineJoin::Bevel:
1019 eSkLineJoin = SkPaint::kBevel_Join;
1020 break;
1021 case basegfx::B2DLineJoin::Round:
1022 eSkLineJoin = SkPaint::kRound_Join;
1023 break;
1024 case basegfx::B2DLineJoin::NONE:
1025 case basegfx::B2DLineJoin::Miter:
1026 eSkLineJoin = SkPaint::kMiter_Join;
1027 break;
1028 }
1029
1030 // convert miter minimum angle to miter limit
1031 double fMiterLimit = 1.0 / std::sin(fMiterMinimumAngle / 2.0);
1032
1033 // Setup Line Cap
1034 SkPaint::Cap eSkLineCap(SkPaint::kButt_Cap);
1035
1036 switch (eLineCap)
1037 {
1038 case css::drawing::LineCap_ROUND:
1039 eSkLineCap = SkPaint::kRound_Cap;
1040 break;
1041 case css::drawing::LineCap_SQUARE:
1042 eSkLineCap = SkPaint::kSquare_Cap;
1043 break;
1044 default: // css::drawing::LineCap_BUTT:
1045 eSkLineCap = SkPaint::kButt_Cap;
1046 break;
1047 }
1048
1049 SkPaint aPaint;
1050 aPaint.setStyle(SkPaint::kStroke_Style);
1051 aPaint.setStrokeCap(eSkLineCap);
1052 aPaint.setStrokeJoin(eSkLineJoin);
1053 aPaint.setColor(toSkColorWithTransparency(mLineColor, fTransparency));
1054 aPaint.setStrokeMiter(fMiterLimit);
1055 aPaint.setStrokeWidth(fLineWidth);
1056 aPaint.setAntiAlias(mParent.getAntiAlias());
1057 // See the tdf#134346 comment above.
1058 const SkScalar posFix = mParent.getAntiAlias() ? toSkXYFix : 0;
1059
1060 if (pStroke && std::accumulate(pStroke->begin(), pStroke->end(), 0.0) != 0)
1061 {
1062 std::vector<SkScalar> intervals;
1063 // Transform size by the matrix.
1064 for (double stroke : *pStroke)
1065 intervals.push_back((rObjectToDevice * basegfx::B2DVector(stroke, 0)).getLength());
1066 aPaint.setPathEffect(SkDashPathEffect::Make(intervals.data(), intervals.size(), 0));
1067 }
1068
1069 // Skia does not support basegfx::B2DLineJoin::NONE, so in that case batch only if lines
1070 // are not wider than a pixel.
1071 if (eLineJoin != basegfx::B2DLineJoin::NONE || fLineWidth <= 1.0)
1072 {
1073 SkPath aPath;
1074 aPath.setFillType(SkPathFillType::kEvenOdd);
1075 for (sal_uInt32 a(0); a < aPolyPolygonLine.count(); a++)
1076 addPolygonToPath(aPolyPolygonLine.getB2DPolygon(a), aPath);
1077 aPath.offset(toSkX(0) + posFix, toSkY(0) + posFix, nullptr);
1078 addXorRegion(aPath.getBounds());
1079 getDrawCanvas()->drawPath(aPath, aPaint);
1080 }
1081 else
1082 {
1083 for (sal_uInt32 i = 0; i < aPolyPolygonLine.count(); ++i)
1084 {
1085 const basegfx::B2DPolygon& rPolygon = aPolyPolygonLine.getB2DPolygon(i);
1086 sal_uInt32 nPoints = rPolygon.count();
1087 bool bClosed = rPolygon.isClosed();
1088 for (sal_uInt32 j = 0; j < (bClosed ? nPoints : nPoints - 1); ++j)
1089 {
1090 sal_uInt32 index1 = (j + 0) % nPoints;
1091 sal_uInt32 index2 = (j + 1) % nPoints;
1092 SkPath aPath;
1093 aPath.moveTo(rPolygon.getB2DPoint(index1).getX(),
1094 rPolygon.getB2DPoint(index1).getY());
1095 aPath.lineTo(rPolygon.getB2DPoint(index2).getX(),
1096 rPolygon.getB2DPoint(index2).getY());
1097
1098 aPath.offset(toSkX(0) + posFix, toSkY(0) + posFix, nullptr);
1099 addXorRegion(aPath.getBounds());
1100 getDrawCanvas()->drawPath(aPath, aPaint);
1101 }
1102 }
1103 }
1104
1105 postDraw();
1106
1107 return true;
1108}
1109
1110bool SkiaSalGraphicsImpl::drawPolyLineBezier(sal_uInt32, const SalPoint*, const PolyFlags*)
1111{
1112 return false;
1113}
1114
1115bool SkiaSalGraphicsImpl::drawPolygonBezier(sal_uInt32, const SalPoint*, const PolyFlags*)
1116{
1117 return false;
1118}
1119
1120bool SkiaSalGraphicsImpl::drawPolyPolygonBezier(sal_uInt32, const sal_uInt32*,
1121 const SalPoint* const*, const PolyFlags* const*)
1122{
1123 return false;
1124}
1125
1126static void copyArea(SkCanvas* canvas, sk_sp<SkSurface> surface, long nDestX, long nDestY,
1127 long nSrcX, long nSrcY, long nSrcWidth, long nSrcHeight, bool srcIsRaster,
1128 bool destIsRaster)
1129{
1130 // Using SkSurface::draw() should be more efficient than SkSurface::makeImageSnapshot(),
1131 // because it may detect copying to itself and avoid some needless copies.
1132 // But it has problems with drawing to itself
1133 // (https://groups.google.com/forum/#!topic/skia-discuss/6yiuw24jv0I) and also
1134 // raster surfaces do not avoid a copy of the source
1135 // (https://groups.google.com/forum/#!topic/skia-discuss/S3FMpCi82k0).
1136 // Finally, there's not much point if one of them is raster and the other is not (chrome/m86 even crashes).
1137 if (canvas == surface->getCanvas() || srcIsRaster || (srcIsRaster != destIsRaster))
1138 {
1139 SkPaint paint;
1140 paint.setBlendMode(SkBlendMode::kSrc); // copy as is, including alpha
1141 canvas->drawImageRect(SkiaHelper::makeCheckedImageSnapshot(surface),
1142 SkIRect::MakeXYWH(nSrcX, nSrcY, nSrcWidth, nSrcHeight),
1143 SkRect::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight), &paint);
1144 return;
1145 }
1146 // SkCanvas::draw() cannot do a subrectangle, so clip.
1147 canvas->save();
1148 canvas->clipRect(SkRect::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight));
1149 SkPaint paint;
1150 paint.setBlendMode(SkBlendMode::kSrc); // copy as is, including alpha
1151 surface->draw(canvas, nDestX - nSrcX, nDestY - nSrcY, &paint);
1152 canvas->restore();
1153}
1154
1155void SkiaSalGraphicsImpl::copyArea(long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
1156 long nSrcHeight, bool /*bWindowInvalidate*/)
1157{
1158 if (nDestX == nSrcX && nDestY == nSrcY)
1159 return;
1160 preDraw();
1161 SAL_INFO("vcl.skia.trace", "copyarea("do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "copyarea(" << this
<< "): " << Point(nSrcX, nSrcY) << "->"
<< SkIRect::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight
)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), (
"vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copyarea(" << this << "): "
<< Point(nSrcX, nSrcY) << "->" << SkIRect
::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"copyarea(" << this << "): " << Point(nSrcX
, nSrcY) << "->" << SkIRect::MakeXYWH(nDestX, nDestY
, nSrcWidth, nSrcHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "copyarea(" << this << "): " <<
Point(nSrcX, nSrcY) << "->" << SkIRect::MakeXYWH
(nDestX, nDestY, nSrcWidth, nSrcHeight)) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copyarea(" << this << "): "
<< Point(nSrcX, nSrcY) << "->" << SkIRect
::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"copyarea(" << this << "): " << Point(nSrcX
, nSrcY) << "->" << SkIRect::MakeXYWH(nDestX, nDestY
, nSrcWidth, nSrcHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1162 << this << "): " << Point(nSrcX, nSrcY) << "->"do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "copyarea(" << this
<< "): " << Point(nSrcX, nSrcY) << "->"
<< SkIRect::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight
)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), (
"vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copyarea(" << this << "): "
<< Point(nSrcX, nSrcY) << "->" << SkIRect
::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"copyarea(" << this << "): " << Point(nSrcX
, nSrcY) << "->" << SkIRect::MakeXYWH(nDestX, nDestY
, nSrcWidth, nSrcHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "copyarea(" << this << "): " <<
Point(nSrcX, nSrcY) << "->" << SkIRect::MakeXYWH
(nDestX, nDestY, nSrcWidth, nSrcHeight)) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copyarea(" << this << "): "
<< Point(nSrcX, nSrcY) << "->" << SkIRect
::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"copyarea(" << this << "): " << Point(nSrcX
, nSrcY) << "->" << SkIRect::MakeXYWH(nDestX, nDestY
, nSrcWidth, nSrcHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1163 << SkIRect::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "copyarea(" << this
<< "): " << Point(nSrcX, nSrcY) << "->"
<< SkIRect::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight
)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), (
"vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copyarea(" << this << "): "
<< Point(nSrcX, nSrcY) << "->" << SkIRect
::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"copyarea(" << this << "): " << Point(nSrcX
, nSrcY) << "->" << SkIRect::MakeXYWH(nDestX, nDestY
, nSrcWidth, nSrcHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "copyarea(" << this << "): " <<
Point(nSrcX, nSrcY) << "->" << SkIRect::MakeXYWH
(nDestX, nDestY, nSrcWidth, nSrcHeight)) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copyarea(" << this << "): "
<< Point(nSrcX, nSrcY) << "->" << SkIRect
::MakeXYWH(nDestX, nDestY, nSrcWidth, nSrcHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"copyarea(" << this << "): " << Point(nSrcX
, nSrcY) << "->" << SkIRect::MakeXYWH(nDestX, nDestY
, nSrcWidth, nSrcHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1163" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1164 assert(!mXorMode)(static_cast <bool> (!mXorMode) ? void (0) : __assert_fail
("!mXorMode", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 1164, __extension__ __PRETTY_FUNCTION__));
1165 ::copyArea(getDrawCanvas(), mSurface, nDestX, nDestY, nSrcX, nSrcY, nSrcWidth, nSrcHeight,
1166 !isGPU(), !isGPU());
1167 postDraw();
1168}
1169
1170void SkiaSalGraphicsImpl::copyBits(const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics)
1171{
1172 preDraw();
1173 SkiaSalGraphicsImpl* src;
1174 if (pSrcGraphics)
1175 {
1176 assert(dynamic_cast<SkiaSalGraphicsImpl*>(pSrcGraphics->GetImpl()))(static_cast <bool> (dynamic_cast<SkiaSalGraphicsImpl
*>(pSrcGraphics->GetImpl())) ? void (0) : __assert_fail
("dynamic_cast<SkiaSalGraphicsImpl*>(pSrcGraphics->GetImpl())"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1176
, __extension__ __PRETTY_FUNCTION__));
1177 src = static_cast<SkiaSalGraphicsImpl*>(pSrcGraphics->GetImpl());
1178 src->checkSurface();
1179 src->flushDrawing();
1180 }
1181 else
1182 {
1183 src = this;
1184 assert(!mXorMode)(static_cast <bool> (!mXorMode) ? void (0) : __assert_fail
("!mXorMode", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 1184, __extension__ __PRETTY_FUNCTION__));
1185 }
1186 if (rPosAry.mnSrcWidth == rPosAry.mnDestWidth && rPosAry.mnSrcHeight == rPosAry.mnDestHeight)
1187 {
1188 auto srcDebug = [&]() -> std::string {
1189 if (src == this)
1190 return "(self)";
1191 else
1192 {
1193 std::ostringstream stream;
1194 stream << "(" << src << ")";
1195 return stream.str();
1196 }
1197 };
1198 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "copybits(" << this
<< "): " << srcDebug() << " copy area: " <<
rPosAry) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copybits(" << this << "): "
<< srcDebug() << " copy area: " << rPosAry
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "copybits(" << this << "): " << srcDebug
() << " copy area: " << rPosAry; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "copybits(" << this << "): " <<
srcDebug() << " copy area: " << rPosAry) == 1) {
::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copybits(" << this << "): "
<< srcDebug() << " copy area: " << rPosAry
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "copybits(" << this << "): " << srcDebug
() << " copy area: " << rPosAry; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1199 "copybits(" << this << "): " << srcDebug() << " copy area: " << rPosAry)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "copybits(" << this
<< "): " << srcDebug() << " copy area: " <<
rPosAry) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copybits(" << this << "): "
<< srcDebug() << " copy area: " << rPosAry
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "copybits(" << this << "): " << srcDebug
() << " copy area: " << rPosAry; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "copybits(" << this << "): " <<
srcDebug() << " copy area: " << rPosAry) == 1) {
::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copybits(" << this << "): "
<< srcDebug() << " copy area: " << rPosAry
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "copybits(" << this << "): " << srcDebug
() << " copy area: " << rPosAry; ::sal::detail::log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1199" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1200 ::copyArea(getDrawCanvas(), src->mSurface, rPosAry.mnDestX, rPosAry.mnDestY, rPosAry.mnSrcX,
1201 rPosAry.mnSrcY, rPosAry.mnDestWidth, rPosAry.mnDestHeight, !src->isGPU(),
1202 !isGPU());
1203 }
1204 else
1205 {
1206 SAL_INFO("vcl.skia.trace", "copybits(" << this << "): (" << src << "): " << rPosAry)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "copybits(" << this
<< "): (" << src << "): " << rPosAry
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1206" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copybits(" << this << "): ("
<< src << "): " << rPosAry), 0); } else { ::
std::ostringstream sal_detail_stream; sal_detail_stream <<
"copybits(" << this << "): (" << src <<
"): " << rPosAry; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1206" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "copybits(" << this << "): (" <<
src << "): " << rPosAry) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1206" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "copybits(" << this << "): ("
<< src << "): " << rPosAry), 0); } else { ::
std::ostringstream sal_detail_stream; sal_detail_stream <<
"copybits(" << this << "): (" << src <<
"): " << rPosAry; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1206" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1207 // Do not use makeImageSnapshot(rect), as that one may make a needless data copy.
1208 sk_sp<SkImage> image = SkiaHelper::makeCheckedImageSnapshot(src->mSurface);
1209 SkPaint paint;
1210 paint.setBlendMode(SkBlendMode::kSrc); // copy as is, including alpha
1211 if (rPosAry.mnSrcWidth != rPosAry.mnDestWidth
1212 || rPosAry.mnSrcHeight != rPosAry.mnDestHeight)
1213 paint.setFilterQuality(kHigh_SkFilterQuality);
1214 getDrawCanvas()->drawImageRect(image,
1215 SkIRect::MakeXYWH(rPosAry.mnSrcX, rPosAry.mnSrcY,
1216 rPosAry.mnSrcWidth, rPosAry.mnSrcHeight),
1217 SkRect::MakeXYWH(rPosAry.mnDestX, rPosAry.mnDestY,
1218 rPosAry.mnDestWidth, rPosAry.mnDestHeight),
1219 &paint);
1220 }
1221 assert(!mXorMode)(static_cast <bool> (!mXorMode) ? void (0) : __assert_fail
("!mXorMode", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 1221, __extension__ __PRETTY_FUNCTION__));
1222 postDraw();
1223}
1224
1225bool SkiaSalGraphicsImpl::blendBitmap(const SalTwoRect& rPosAry, const SalBitmap& rBitmap)
1226{
1227 if (checkInvalidSourceOrDestination(rPosAry))
1228 return false;
1229
1230 assert(dynamic_cast<const SkiaSalBitmap*>(&rBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1230
, __extension__ __PRETTY_FUNCTION__));
1231 const SkiaSalBitmap& rSkiaBitmap = static_cast<const SkiaSalBitmap&>(rBitmap);
1232 // This is used by VirtualDevice in the alpha mode for the "alpha" layer which
1233 // is actually one-minus-alpha (opacity). Therefore white=0xff=transparent,
1234 // black=0x00=opaque. So the result is transparent only if both the inputs
1235 // are transparent. Since for blending operations white=1.0 and black=0.0,
1236 // kMultiply should handle exactly that (transparent*transparent=transparent,
1237 // opaque*transparent=opaque). And guessing from the "floor" in TYPE_BLEND in opengl's
1238 // combinedTextureFragmentShader.glsl, the layer is not even alpha values but
1239 // simply yes-or-no mask.
1240 // See also blendAlphaBitmap().
1241 if (rSkiaBitmap.IsFullyOpaqueAsAlpha())
1242 {
1243 // Optimization. If the bitmap means fully opaque, it's all zero's. In CPU
1244 // mode it should be faster to just copy instead of SkBlendMode::kMultiply.
1245 drawBitmap(rPosAry, rSkiaBitmap);
1246 }
1247 else
1248 drawBitmap(rPosAry, rSkiaBitmap, SkBlendMode::kMultiply);
1249 return true;
1250}
1251
1252bool SkiaSalGraphicsImpl::blendAlphaBitmap(const SalTwoRect& rPosAry,
1253 const SalBitmap& rSourceBitmap,
1254 const SalBitmap& rMaskBitmap,
1255 const SalBitmap& rAlphaBitmap)
1256{
1257 if (checkInvalidSourceOrDestination(rPosAry))
1258 return false;
1259
1260 assert(dynamic_cast<const SkiaSalBitmap*>(&rSourceBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rSourceBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rSourceBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1260
, __extension__ __PRETTY_FUNCTION__));
1261 assert(dynamic_cast<const SkiaSalBitmap*>(&rMaskBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rMaskBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rMaskBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1261
, __extension__ __PRETTY_FUNCTION__));
1262 assert(dynamic_cast<const SkiaSalBitmap*>(&rAlphaBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rAlphaBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rAlphaBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1262
, __extension__ __PRETTY_FUNCTION__));
1263 const SkiaSalBitmap& rSkiaSourceBitmap = static_cast<const SkiaSalBitmap&>(rSourceBitmap);
1264 const SkiaSalBitmap& rSkiaMaskBitmap = static_cast<const SkiaSalBitmap&>(rMaskBitmap);
1265 const SkiaSalBitmap& rSkiaAlphaBitmap = static_cast<const SkiaSalBitmap&>(rAlphaBitmap);
1266
1267 if (rSkiaMaskBitmap.IsFullyOpaqueAsAlpha())
1268 {
1269 // Optimization. If the mask of the bitmap to be blended means it's actually opaque,
1270 // just draw the bitmap directly (that's what the math below will result in).
1271 drawBitmap(rPosAry, rSkiaSourceBitmap);
1272 return true;
1273 }
1274 // This was originally implemented for the OpenGL drawing method and it is poorly documented.
1275 // The source and mask bitmaps are the usual data and alpha bitmaps, and 'alpha'
1276 // is the "alpha" layer of the VirtualDevice (the alpha in VirtualDevice is also stored
1277 // as a separate bitmap). Now if I understand it correctly these two alpha masks first need
1278 // to be combined into the actual alpha mask to be used. The formula for TYPE_BLEND
1279 // in opengl's combinedTextureFragmentShader.glsl is
1280 // "result_alpha = 1.0 - (1.0 - floor(alpha)) * mask".
1281 // See also blendBitmap().
1282
1283 // First do the "( 1 - alpha ) * mask"
1284 // (no idea how to do "floor", but hopefully not needed in practice).
1285 sk_sp<SkShader> shaderAlpha
1286 = SkShaders::Blend(SkBlendMode::kDstOut, rSkiaMaskBitmap.GetAlphaSkShader(),
1287 rSkiaAlphaBitmap.GetAlphaSkShader());
1288 // And now draw the bitmap with "1 - x", where x is the "( 1 - alpha ) * mask".
1289 sk_sp<SkShader> shader
1290 = SkShaders::Blend(SkBlendMode::kSrcOut, shaderAlpha, rSkiaSourceBitmap.GetSkShader());
1291 drawShader(rPosAry, shader);
1292 return true;
1293}
1294
1295void SkiaSalGraphicsImpl::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
1296{
1297 if (checkInvalidSourceOrDestination(rPosAry))
1298 return;
1299
1300 assert(dynamic_cast<const SkiaSalBitmap*>(&rSalBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rSalBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rSalBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1300
, __extension__ __PRETTY_FUNCTION__));
1301 const SkiaSalBitmap& rSkiaSourceBitmap = static_cast<const SkiaSalBitmap&>(rSalBitmap);
1302
1303 drawBitmap(rPosAry, rSkiaSourceBitmap);
1304}
1305
1306void SkiaSalGraphicsImpl::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap,
1307 const SalBitmap& rMaskBitmap)
1308{
1309 drawAlphaBitmap(rPosAry, rSalBitmap, rMaskBitmap);
1310}
1311
1312void SkiaSalGraphicsImpl::drawMask(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap,
1313 Color nMaskColor)
1314{
1315 assert(dynamic_cast<const SkiaSalBitmap*>(&rSalBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rSalBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rSalBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1315
, __extension__ __PRETTY_FUNCTION__));
1316 const SkiaSalBitmap& skiaBitmap = static_cast<const SkiaSalBitmap&>(rSalBitmap);
1317 drawShader(rPosAry,
1318 SkShaders::Blend(SkBlendMode::kDstOut, // VCL alpha is one-minus-alpha.
1319 SkShaders::Color(toSkColor(nMaskColor)),
1320 skiaBitmap.GetAlphaSkShader()));
1321}
1322
1323std::shared_ptr<SalBitmap> SkiaSalGraphicsImpl::getBitmap(long nX, long nY, long nWidth,
1324 long nHeight)
1325{
1326 SkiaZone zone;
1327 checkSurface();
1328 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "getbitmap(" <<
this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth
, nHeight)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "getbitmap(" << this << "): "
<< SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"getbitmap(" << this << "): " << SkIRect::
MakeXYWH(nX, nY, nWidth, nHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "getbitmap(" << this << "): " <<
SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "getbitmap(" << this << "): "
<< SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"getbitmap(" << this << "): " << SkIRect::
MakeXYWH(nX, nY, nWidth, nHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1329 "getbitmap(" << this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth, nHeight))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "getbitmap(" <<
this << "): " << SkIRect::MakeXYWH(nX, nY, nWidth
, nHeight)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "getbitmap(" << this << "): "
<< SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"getbitmap(" << this << "): " << SkIRect::
MakeXYWH(nX, nY, nWidth, nHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "getbitmap(" << this << "): " <<
SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "getbitmap(" << this << "): "
<< SkIRect::MakeXYWH(nX, nY, nWidth, nHeight)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"getbitmap(" << this << "): " << SkIRect::
MakeXYWH(nX, nY, nWidth, nHeight); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1329" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1330 flushDrawing();
1331 // TODO makeImageSnapshot(rect) may copy the data, which may be a waste if this is used
1332 // e.g. for VirtualDevice's lame alpha blending, in which case the image will eventually end up
1333 // in blendAlphaBitmap(), where we could simply use the proper rect of the image.
1334 sk_sp<SkImage> image = SkiaHelper::makeCheckedImageSnapshot(
1335 mSurface, SkIRect::MakeXYWH(nX, nY, nWidth, nHeight));
1336 return std::make_shared<SkiaSalBitmap>(image);
1337}
1338
1339Color SkiaSalGraphicsImpl::getPixel(long nX, long nY)
1340{
1341 SkiaZone zone;
1342 checkSurface();
1343 SAL_INFO("vcl.skia.trace", "getpixel(" << this << "): " << Point(nX, nY))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "getpixel(" << this
<< "): " << Point(nX, nY)) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1343" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "getpixel(" << this << "): "
<< Point(nX, nY)), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "getpixel(" << this <<
"): " << Point(nX, nY); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1343" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "getpixel(" << this << "): " <<
Point(nX, nY)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1343" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "getpixel(" << this << "): "
<< Point(nX, nY)), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "getpixel(" << this <<
"): " << Point(nX, nY); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1343" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1344 flushDrawing();
1345 // This is presumably slow, but getPixel() should be generally used only by unit tests.
1346 SkBitmap bitmap;
1347 if (!bitmap.tryAllocN32Pixels(GetWidth(), GetHeight()))
1348 abort();
1349 if (!mSurface->readPixels(bitmap, 0, 0))
1350 abort();
1351 return fromSkColor(bitmap.getColor(nX, nY));
1352}
1353
1354void SkiaSalGraphicsImpl::invert(basegfx::B2DPolygon const& rPoly, SalInvert eFlags)
1355{
1356 preDraw();
1357 SAL_INFO("vcl.skia.trace", "invert(" << this << "): " << rPoly << ":" << int(eFlags))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "invert(" << this
<< "): " << rPoly << ":" << int(eFlags
)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), (
"vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1357" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "invert(" << this << "): "
<< rPoly << ":" << int(eFlags)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"invert(" << this << "): " << rPoly <<
":" << int(eFlags); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1357" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "invert(" << this << "): " << rPoly
<< ":" << int(eFlags)) == 1) { ::sal_detail_log(
(::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1357" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "invert(" << this << "): "
<< rPoly << ":" << int(eFlags)), 0); } else
{ ::std::ostringstream sal_detail_stream; sal_detail_stream <<
"invert(" << this << "): " << rPoly <<
":" << int(eFlags); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1357" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1358 assert(!mXorMode)(static_cast <bool> (!mXorMode) ? void (0) : __assert_fail
("!mXorMode", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 1358, __extension__ __PRETTY_FUNCTION__));
1359 // Intel Vulkan drivers (up to current 0.401.3889) have a problem
1360 // with SkBlendMode::kDifference(?) and surfaces wider than 1024 pixels, resulting
1361 // in drawing errors. Work that around by fetching the relevant part of the surface
1362 // and drawing using CPU.
1363 bool intelHack
1364 = (isGPU() && SkiaHelper::getVendor() == DriverBlocklist::VendorIntel && !mXorMode);
1365 // TrackFrame just inverts a dashed path around the polygon
1366 if (eFlags == SalInvert::TrackFrame)
1367 {
1368 SkPath aPath;
1369 addPolygonToPath(rPoly, aPath);
1370 aPath.setFillType(SkPathFillType::kEvenOdd);
1371 // TrackFrame is not supposed to paint outside of the polygon (usually rectangle),
1372 // but wider stroke width usually results in that, so ensure the requirement
1373 // by clipping.
1374 SkAutoCanvasRestore autoRestore(getDrawCanvas(), true);
1375 getDrawCanvas()->clipRect(aPath.getBounds(), SkClipOp::kIntersect, false);
1376 SkPaint aPaint;
1377 aPaint.setStrokeWidth(2);
1378 float intervals[] = { 4.0f, 4.0f };
1379 aPaint.setStyle(SkPaint::kStroke_Style);
1380 aPaint.setPathEffect(SkDashPathEffect::Make(intervals, SK_ARRAY_COUNT(intervals)(sizeof(SkArrayCountHelper(intervals))), 0));
1381 aPaint.setColor(SkColorSetARGB(255, 255, 255, 255));
1382 aPaint.setBlendMode(SkBlendMode::kDifference);
1383 if (!intelHack)
1384 getDrawCanvas()->drawPath(aPath, aPaint);
1385 else
1386 {
1387 SkRect area;
1388 aPath.getBounds().roundOut(&area);
1389 SkRect size = SkRect::MakeWH(area.width(), area.height());
1390 sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(area.width(), area.height());
1391 SkPaint copy;
1392 copy.setBlendMode(SkBlendMode::kSrc);
1393 flushDrawing();
1394 surface->getCanvas()->drawImageRect(SkiaHelper::makeCheckedImageSnapshot(mSurface),
1395 area, size, &copy);
1396 aPath.offset(-area.x(), -area.y());
1397 surface->getCanvas()->drawPath(aPath, aPaint);
1398 getDrawCanvas()->drawImageRect(SkiaHelper::makeCheckedImageSnapshot(surface), size,
1399 area, &copy);
1400 }
1401 }
1402 else
1403 {
1404 SkPath aPath;
1405 addPolygonToPath(rPoly, aPath);
1406 aPath.setFillType(SkPathFillType::kEvenOdd);
1407 SkPaint aPaint;
1408 aPaint.setColor(SkColorSetARGB(255, 255, 255, 255));
1409 aPaint.setStyle(SkPaint::kFill_Style);
1410 aPaint.setBlendMode(SkBlendMode::kDifference);
1411
1412 // N50 inverts in checker pattern
1413 if (eFlags == SalInvert::N50)
1414 {
1415 // This creates 2x2 checker pattern bitmap
1416 // TODO Use SkiaHelper::createSkSurface() and cache the image
1417 SkBitmap aBitmap;
1418 aBitmap.allocN32Pixels(2, 2);
1419 const SkPMColor white = SkPreMultiplyARGB(0xFF, 0xFF, 0xFF, 0xFF);
1420 const SkPMColor black = SkPreMultiplyARGB(0xFF, 0x00, 0x00, 0x00);
1421 SkPMColor* scanline;
1422 scanline = aBitmap.getAddr32(0, 0);
1423 *scanline++ = white;
1424 *scanline++ = black;
1425 scanline = aBitmap.getAddr32(0, 1);
1426 *scanline++ = black;
1427 *scanline++ = white;
1428 aBitmap.setImmutable();
1429 // The bitmap is repeated in both directions the checker pattern is as big
1430 // as the polygon (usually rectangle)
1431 aPaint.setShader(aBitmap.makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat));
1432 }
1433 if (!intelHack)
1434 getDrawCanvas()->drawPath(aPath, aPaint);
1435 else
1436 {
1437 SkRect area;
1438 aPath.getBounds().roundOut(&area);
1439 SkRect size = SkRect::MakeWH(area.width(), area.height());
1440 sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(area.width(), area.height());
1441 SkPaint copy;
1442 copy.setBlendMode(SkBlendMode::kSrc);
1443 flushDrawing();
1444 surface->getCanvas()->drawImageRect(SkiaHelper::makeCheckedImageSnapshot(mSurface),
1445 area, size, &copy);
1446 aPath.offset(-area.x(), -area.y());
1447 surface->getCanvas()->drawPath(aPath, aPaint);
1448 getDrawCanvas()->drawImageRect(SkiaHelper::makeCheckedImageSnapshot(surface), size,
1449 area, &copy);
1450 }
1451 }
1452 postDraw();
1453}
1454
1455void SkiaSalGraphicsImpl::invert(long nX, long nY, long nWidth, long nHeight, SalInvert eFlags)
1456{
1457 basegfx::B2DRectangle aRectangle(nX, nY, nX + nWidth, nY + nHeight);
1458 auto aRect = basegfx::utils::createPolygonFromRect(aRectangle);
1459 invert(aRect, eFlags);
1460}
1461
1462void SkiaSalGraphicsImpl::invert(sal_uInt32 nPoints, const SalPoint* pPointArray, SalInvert eFlags)
1463{
1464 basegfx::B2DPolygon aPolygon;
1465 aPolygon.append(basegfx::B2DPoint(pPointArray[0].mnX, pPointArray[0].mnY), nPoints);
1466 for (sal_uInt32 i = 1; i < nPoints; ++i)
1467 {
1468 aPolygon.setB2DPoint(i, basegfx::B2DPoint(pPointArray[i].mnX, pPointArray[i].mnY));
1469 }
1470 aPolygon.setClosed(true);
1471
1472 invert(aPolygon, eFlags);
1473}
1474
1475bool SkiaSalGraphicsImpl::drawEPS(long, long, long, long, void*, sal_uInt32) { return false; }
1476
1477// Create SkImage from a bitmap and possibly an alpha mask (the usual VCL one-minus-alpha),
1478// with the given target size. Result will be possibly cached, unless disabled.
1479sk_sp<SkImage> SkiaSalGraphicsImpl::mergeCacheBitmaps(const SkiaSalBitmap& bitmap,
1480 const SkiaSalBitmap* alphaBitmap,
1481 const Size targetSize)
1482{
1483 sk_sp<SkImage> image;
1484 // GPU-accelerated drawing with SkShader should be fast enough to not need caching.
1485 if (isGPU())
1486 return image;
1487 if (targetSize.IsEmpty())
1488 return image;
1489 if (alphaBitmap && alphaBitmap->IsFullyOpaqueAsAlpha())
1490 alphaBitmap = nullptr; // the alpha can be ignored
1491 // Probably not much point in caching of just doing a copy.
1492 if (alphaBitmap == nullptr && targetSize == bitmap.GetSize())
1493 return image;
1494 // Image too small to be worth caching if not scaling.
1495 if (targetSize == bitmap.GetSize() && targetSize.Width() < 100 && targetSize.Height() < 100)
1496 return image;
1497 // In some cases (tdf#134237) the target size may be very large. In that case it's
1498 // better to rely on Skia to clip and draw only the necessary, rather than prepare
1499 // a very large image only to not use most of it.
1500 const Size drawAreaSize = mClipRegion.GetBoundRect().GetSize();
1501 if (targetSize.Width() > drawAreaSize.Width() || targetSize.Height() > drawAreaSize.Height())
1502 {
1503 // This is a bit tricky. The condition above just checks that at least a part of the resulting
1504 // image will not be used (it's larger then our drawing area). But this may often happen
1505 // when just scrolling a document with a large image, where the caching may very well be worth it.
1506 // Since the problem is mainly the cost of upscaling and then the size of the resulting bitmap,
1507 // compute a ratio of how much this is going to be scaled up, how much this is larger than
1508 // the drawing area, and then refuse to cache if it's too much.
1509 const double upscaleRatio
1510 = std::max(1.0, 1.0 * targetSize.Width() / bitmap.GetSize().Width()
1511 * targetSize.Height() / bitmap.GetSize().Height());
1512 const double oversizeRatio = 1.0 * targetSize.Width() / drawAreaSize.Width()
1513 * targetSize.Height() / drawAreaSize.Height();
1514 const double ratio = upscaleRatio * oversizeRatio;
1515 if (ratio > 4)
1516 {
1517 SAL_INFO("vcl.skia.trace", "mergecachebitmaps("do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "mergecachebitmaps(" <<
this << "): not caching, ratio:" << ratio <<
", " << bitmap.GetSize() << "->" << targetSize
<< " in " << drawAreaSize) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "mergecachebitmaps(" << this << "): not caching, ratio:"
<< ratio << ", " << bitmap.GetSize() <<
"->" << targetSize << " in " << drawAreaSize
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1518 << this << "): not caching, ratio:" << ratio << ", "do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "mergecachebitmaps(" <<
this << "): not caching, ratio:" << ratio <<
", " << bitmap.GetSize() << "->" << targetSize
<< " in " << drawAreaSize) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "mergecachebitmaps(" << this << "): not caching, ratio:"
<< ratio << ", " << bitmap.GetSize() <<
"->" << targetSize << " in " << drawAreaSize
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1519 << bitmap.GetSize() << "->" << targetSize << " in "do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "mergecachebitmaps(" <<
this << "): not caching, ratio:" << ratio <<
", " << bitmap.GetSize() << "->" << targetSize
<< " in " << drawAreaSize) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "mergecachebitmaps(" << this << "): not caching, ratio:"
<< ratio << ", " << bitmap.GetSize() <<
"->" << targetSize << " in " << drawAreaSize
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1520 << drawAreaSize)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "mergecachebitmaps(" <<
this << "): not caching, ratio:" << ratio <<
", " << bitmap.GetSize() << "->" << targetSize
<< " in " << drawAreaSize) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "mergecachebitmaps(" << this << "): not caching, ratio:"
<< ratio << ", " << bitmap.GetSize() <<
"->" << targetSize << " in " << drawAreaSize
) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "mergecachebitmaps(" << this <<
"): not caching, ratio:" << ratio << ", " <<
bitmap.GetSize() << "->" << targetSize <<
" in " << drawAreaSize), 0); } else { ::std::ostringstream
sal_detail_stream; sal_detail_stream << "mergecachebitmaps("
<< this << "): not caching, ratio:" << ratio
<< ", " << bitmap.GetSize() << "->" <<
targetSize << " in " << drawAreaSize; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1520" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1521 return image;
1522 }
1523 }
1524 // Do not cache the result if it would take most of the cache and thus get evicted soon.
1525 if (targetSize.Width() * targetSize.Height() * 4 > SkiaHelper::MAX_CACHE_SIZE * 0.7)
1526 return image;
1527 OString key;
1528 OStringBuffer keyBuf;
1529 keyBuf.append(targetSize.Width())
1530 .append("x")
1531 .append(targetSize.Height())
1532 .append("_")
1533 .append(bitmap.GetImageKey());
1534 if (alphaBitmap)
1535 keyBuf.append("_").append(alphaBitmap->GetAlphaImageKey());
1536 key = keyBuf.makeStringAndClear();
1537 image = SkiaHelper::findCachedImage(key);
1538 if (image)
1539 {
1540 assert(image->width() == targetSize.Width() && image->height() == targetSize.Height())(static_cast <bool> (image->width() == targetSize.Width
() && image->height() == targetSize.Height()) ? void
(0) : __assert_fail ("image->width() == targetSize.Width() && image->height() == targetSize.Height()"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1540
, __extension__ __PRETTY_FUNCTION__));
1541 return image;
1542 }
1543 sk_sp<SkSurface> tmpSurface = SkiaHelper::createSkSurface(targetSize);
1544 if (!tmpSurface)
1545 return nullptr;
1546 SkCanvas* canvas = tmpSurface->getCanvas();
1547 SkAutoCanvasRestore autoRestore(canvas, true);
1548 SkPaint paint;
1549 if (targetSize != bitmap.GetSize())
1550 {
1551 SkMatrix matrix;
1552 matrix.set(SkMatrix::kMScaleX, 1.0 * targetSize.Width() / bitmap.GetSize().Width());
1553 matrix.set(SkMatrix::kMScaleY, 1.0 * targetSize.Height() / bitmap.GetSize().Height());
1554 canvas->concat(matrix);
1555 paint.setFilterQuality(kHigh_SkFilterQuality);
1556 }
1557 if (alphaBitmap != nullptr)
1558 {
1559 canvas->clear(SK_ColorTRANSPARENT);
1560 paint.setShader(SkShaders::Blend(SkBlendMode::kDstOut, bitmap.GetSkShader(),
1561 alphaBitmap->GetAlphaSkShader()));
1562 canvas->drawPaint(paint);
1563 }
1564 else if (bitmap.PreferSkShader())
1565 {
1566 paint.setShader(bitmap.GetSkShader());
1567 canvas->drawPaint(paint);
1568 }
1569 else
1570 canvas->drawImage(bitmap.GetSkImage(), 0, 0, &paint);
1571 image = SkiaHelper::makeCheckedImageSnapshot(tmpSurface);
1572 SkiaHelper::addCachedImage(key, image);
1573 return image;
1574}
1575
1576bool SkiaSalGraphicsImpl::drawAlphaBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSourceBitmap,
1577 const SalBitmap& rAlphaBitmap)
1578{
1579 assert(dynamic_cast<const SkiaSalBitmap*>(&rSourceBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rSourceBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rSourceBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1579
, __extension__ __PRETTY_FUNCTION__));
1580 assert(dynamic_cast<const SkiaSalBitmap*>(&rAlphaBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rAlphaBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rAlphaBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1580
, __extension__ __PRETTY_FUNCTION__));
1581 const SkiaSalBitmap& rSkiaSourceBitmap = static_cast<const SkiaSalBitmap&>(rSourceBitmap);
1582 const SkiaSalBitmap& rSkiaAlphaBitmap = static_cast<const SkiaSalBitmap&>(rAlphaBitmap);
1583 // In raster mode use mergeCacheBitmaps(), which will cache the result, avoiding repeated
1584 // alpha blending or scaling. In GPU mode it is simpler to just use SkShader.
1585 SalTwoRect imagePosAry(rPosAry);
1586 Size imageSize = rSourceBitmap.GetSize();
1587 // If the bitmap will be scaled, prefer to do it in mergeCacheBitmaps(), if possible.
1588 if ((rPosAry.mnSrcWidth != rPosAry.mnDestWidth || rPosAry.mnSrcHeight != rPosAry.mnDestHeight)
1589 && rPosAry.mnSrcX == 0 && rPosAry.mnSrcY == 0
1590 && rPosAry.mnSrcWidth == rSourceBitmap.GetSize().Width()
1591 && rPosAry.mnSrcHeight == rSourceBitmap.GetSize().Height())
1592 {
1593 imagePosAry.mnSrcWidth = imagePosAry.mnDestWidth;
1594 imagePosAry.mnSrcHeight = imagePosAry.mnDestHeight;
1595 imageSize = Size(imagePosAry.mnSrcWidth, imagePosAry.mnSrcHeight);
1596 }
1597 sk_sp<SkImage> image = mergeCacheBitmaps(rSkiaSourceBitmap, &rSkiaAlphaBitmap, imageSize);
1598 if (image)
1599 drawImage(imagePosAry, image);
1600 else if (rSkiaAlphaBitmap.IsFullyOpaqueAsAlpha()) // alpha can be ignored
1601 drawBitmap(rPosAry, rSkiaSourceBitmap);
1602 else
1603 drawShader(rPosAry,
1604 SkShaders::Blend(SkBlendMode::kDstOut, // VCL alpha is one-minus-alpha.
1605 rSkiaSourceBitmap.GetSkShader(),
1606 rSkiaAlphaBitmap.GetAlphaSkShader()));
1607 return true;
1608}
1609
1610void SkiaSalGraphicsImpl::drawBitmap(const SalTwoRect& rPosAry, const SkiaSalBitmap& bitmap,
1611 SkBlendMode blendMode)
1612{
1613 if (bitmap.PreferSkShader())
1614 drawShader(rPosAry, bitmap.GetSkShader(), blendMode);
1615 else
1616 drawImage(rPosAry, bitmap.GetSkImage(), blendMode);
1617}
1618
1619void SkiaSalGraphicsImpl::drawImage(const SalTwoRect& rPosAry, const sk_sp<SkImage>& aImage,
1620 SkBlendMode eBlendMode)
1621{
1622 SkRect aSourceRect
1623 = SkRect::MakeXYWH(rPosAry.mnSrcX, rPosAry.mnSrcY, rPosAry.mnSrcWidth, rPosAry.mnSrcHeight);
1624 SkRect aDestinationRect = SkRect::MakeXYWH(rPosAry.mnDestX, rPosAry.mnDestY,
1625 rPosAry.mnDestWidth, rPosAry.mnDestHeight);
1626
1627 SkPaint aPaint;
1628 aPaint.setBlendMode(eBlendMode);
1629 if (rPosAry.mnSrcWidth != rPosAry.mnDestWidth || rPosAry.mnSrcHeight != rPosAry.mnDestHeight)
1630 aPaint.setFilterQuality(kHigh_SkFilterQuality);
1631
1632 preDraw();
1633 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawimage(" <<
this << "): " << rPosAry << ":" << SkBlendMode_Name
(eBlendMode)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawimage(" << this << "): "
<< rPosAry << ":" << SkBlendMode_Name(eBlendMode
)), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawimage(" << this << "): " << rPosAry
<< ":" << SkBlendMode_Name(eBlendMode); ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawimage(" << this << "): " <<
rPosAry << ":" << SkBlendMode_Name(eBlendMode)) ==
1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawimage(" << this << "): "
<< rPosAry << ":" << SkBlendMode_Name(eBlendMode
)), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawimage(" << this << "): " << rPosAry
<< ":" << SkBlendMode_Name(eBlendMode); ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1634 "drawimage(" << this << "): " << rPosAry << ":" << SkBlendMode_Name(eBlendMode))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawimage(" <<
this << "): " << rPosAry << ":" << SkBlendMode_Name
(eBlendMode)) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawimage(" << this << "): "
<< rPosAry << ":" << SkBlendMode_Name(eBlendMode
)), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawimage(" << this << "): " << rPosAry
<< ":" << SkBlendMode_Name(eBlendMode); ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawimage(" << this << "): " <<
rPosAry << ":" << SkBlendMode_Name(eBlendMode)) ==
1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawimage(" << this << "): "
<< rPosAry << ":" << SkBlendMode_Name(eBlendMode
)), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawimage(" << this << "): " << rPosAry
<< ":" << SkBlendMode_Name(eBlendMode); ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1634" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1635 addXorRegion(aDestinationRect);
1636 getDrawCanvas()->drawImageRect(aImage, aSourceRect, aDestinationRect, &aPaint);
1637 ++mPendingOperationsToFlush; // tdf#136369
1638 postDraw();
1639}
1640
1641// SkShader can be used to merge multiple bitmaps with appropriate blend modes (e.g. when
1642// merging a bitmap with its alpha mask).
1643void SkiaSalGraphicsImpl::drawShader(const SalTwoRect& rPosAry, const sk_sp<SkShader>& shader,
1644 SkBlendMode blendMode)
1645{
1646 preDraw();
1647 SAL_INFO("vcl.skia.trace", "drawshader(" << this << "): " << rPosAry)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawshader(" <<
this << "): " << rPosAry) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1647" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawshader(" << this <<
"): " << rPosAry), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "drawshader(" << this <<
"): " << rPosAry; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1647" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawshader(" << this << "): " <<
rPosAry) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1647" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawshader(" << this <<
"): " << rPosAry), 0); } else { ::std::ostringstream sal_detail_stream
; sal_detail_stream << "drawshader(" << this <<
"): " << rPosAry; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1647" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1648 SkRect destinationRect = SkRect::MakeXYWH(rPosAry.mnDestX, rPosAry.mnDestY, rPosAry.mnDestWidth,
1649 rPosAry.mnDestHeight);
1650 addXorRegion(destinationRect);
1651 SkPaint paint;
1652 paint.setBlendMode(blendMode);
1653 paint.setShader(shader);
1654 if (rPosAry.mnSrcWidth != rPosAry.mnDestWidth || rPosAry.mnSrcHeight != rPosAry.mnDestHeight)
1655 paint.setFilterQuality(kHigh_SkFilterQuality);
1656 SkCanvas* canvas = getDrawCanvas();
1657 // Scaling needs to be done explicitly using a matrix.
1658 SkAutoCanvasRestore autoRestore(canvas, true);
1659 SkMatrix matrix = SkMatrix::Translate(rPosAry.mnDestX, rPosAry.mnDestY)
1660 * SkMatrix::Scale(1.0 * rPosAry.mnDestWidth / rPosAry.mnSrcWidth,
1661 1.0 * rPosAry.mnDestHeight / rPosAry.mnSrcHeight)
1662 * SkMatrix::Translate(-rPosAry.mnSrcX, -rPosAry.mnSrcY);
1663 assert(matrix.mapXY(rPosAry.mnSrcX, rPosAry.mnSrcY)(static_cast <bool> (matrix.mapXY(rPosAry.mnSrcX, rPosAry
.mnSrcY) == SkPoint::Make(rPosAry.mnDestX, rPosAry.mnDestY)) ?
void (0) : __assert_fail ("matrix.mapXY(rPosAry.mnSrcX, rPosAry.mnSrcY) == SkPoint::Make(rPosAry.mnDestX, rPosAry.mnDestY)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1664
, __extension__ __PRETTY_FUNCTION__))
1664 == SkPoint::Make(rPosAry.mnDestX, rPosAry.mnDestY))(static_cast <bool> (matrix.mapXY(rPosAry.mnSrcX, rPosAry
.mnSrcY) == SkPoint::Make(rPosAry.mnDestX, rPosAry.mnDestY)) ?
void (0) : __assert_fail ("matrix.mapXY(rPosAry.mnSrcX, rPosAry.mnSrcY) == SkPoint::Make(rPosAry.mnDestX, rPosAry.mnDestY)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1664
, __extension__ __PRETTY_FUNCTION__));
1665 assert(matrix.mapXY(rPosAry.mnSrcX + rPosAry.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight)(static_cast <bool> (matrix.mapXY(rPosAry.mnSrcX + rPosAry
.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight) == SkPoint
::Make(rPosAry.mnDestX + rPosAry.mnDestWidth, rPosAry.mnDestY
+ rPosAry.mnDestHeight)) ? void (0) : __assert_fail ("matrix.mapXY(rPosAry.mnSrcX + rPosAry.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight) == SkPoint::Make(rPosAry.mnDestX + rPosAry.mnDestWidth, rPosAry.mnDestY + rPosAry.mnDestHeight)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1667
, __extension__ __PRETTY_FUNCTION__))
1666 == SkPoint::Make(rPosAry.mnDestX + rPosAry.mnDestWidth,(static_cast <bool> (matrix.mapXY(rPosAry.mnSrcX + rPosAry
.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight) == SkPoint
::Make(rPosAry.mnDestX + rPosAry.mnDestWidth, rPosAry.mnDestY
+ rPosAry.mnDestHeight)) ? void (0) : __assert_fail ("matrix.mapXY(rPosAry.mnSrcX + rPosAry.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight) == SkPoint::Make(rPosAry.mnDestX + rPosAry.mnDestWidth, rPosAry.mnDestY + rPosAry.mnDestHeight)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1667
, __extension__ __PRETTY_FUNCTION__))
1667 rPosAry.mnDestY + rPosAry.mnDestHeight))(static_cast <bool> (matrix.mapXY(rPosAry.mnSrcX + rPosAry
.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight) == SkPoint
::Make(rPosAry.mnDestX + rPosAry.mnDestWidth, rPosAry.mnDestY
+ rPosAry.mnDestHeight)) ? void (0) : __assert_fail ("matrix.mapXY(rPosAry.mnSrcX + rPosAry.mnSrcWidth, rPosAry.mnSrcY + rPosAry.mnSrcHeight) == SkPoint::Make(rPosAry.mnDestX + rPosAry.mnDestWidth, rPosAry.mnDestY + rPosAry.mnDestHeight)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1667
, __extension__ __PRETTY_FUNCTION__));
1668 canvas->concat(matrix);
1669 SkRect sourceRect
1670 = SkRect::MakeXYWH(rPosAry.mnSrcX, rPosAry.mnSrcY, rPosAry.mnSrcWidth, rPosAry.mnSrcHeight);
1671 canvas->drawRect(sourceRect, paint);
1672 postDraw();
1673}
1674
1675bool SkiaSalGraphicsImpl::drawTransformedBitmap(const basegfx::B2DPoint& rNull,
1676 const basegfx::B2DPoint& rX,
1677 const basegfx::B2DPoint& rY,
1678 const SalBitmap& rSourceBitmap,
1679 const SalBitmap* pAlphaBitmap)
1680{
1681 assert(dynamic_cast<const SkiaSalBitmap*>(&rSourceBitmap))(static_cast <bool> (dynamic_cast<const SkiaSalBitmap
*>(&rSourceBitmap)) ? void (0) : __assert_fail ("dynamic_cast<const SkiaSalBitmap*>(&rSourceBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1681
, __extension__ __PRETTY_FUNCTION__));
1682 assert(!pAlphaBitmap || dynamic_cast<const SkiaSalBitmap*>(pAlphaBitmap))(static_cast <bool> (!pAlphaBitmap || dynamic_cast<const
SkiaSalBitmap*>(pAlphaBitmap)) ? void (0) : __assert_fail
("!pAlphaBitmap || dynamic_cast<const SkiaSalBitmap*>(pAlphaBitmap)"
, "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx", 1682
, __extension__ __PRETTY_FUNCTION__));
1683
1684 const SkiaSalBitmap& rSkiaBitmap = static_cast<const SkiaSalBitmap&>(rSourceBitmap);
1685 const SkiaSalBitmap* pSkiaAlphaBitmap = static_cast<const SkiaSalBitmap*>(pAlphaBitmap);
1686
1687 if (pSkiaAlphaBitmap && pSkiaAlphaBitmap->IsFullyOpaqueAsAlpha())
1688 pSkiaAlphaBitmap = nullptr; // the alpha can be ignored
1689
1690 // Setup the image transformation,
1691 // using the rNull, rX, rY points as destinations for the (0,0), (Width,0), (0,Height) source points.
1692 const basegfx::B2DVector aXRel = rX - rNull;
1693 const basegfx::B2DVector aYRel = rY - rNull;
1694
1695 preDraw();
1696 SAL_INFO("vcl.skia.trace", "drawtransformedbitmap(" << this << "): " << rSourceBitmap.GetSize()do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawtransformedbitmap("
<< this << "): " << rSourceBitmap.GetSize(
) << " " << rNull << ":" << rX <<
":" << rY) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtransformedbitmap(" << this
<< "): " << rSourceBitmap.GetSize() << " "
<< rNull << ":" << rX << ":" <<
rY), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtransformedbitmap(" << this << "): "
<< rSourceBitmap.GetSize() << " " << rNull
<< ":" << rX << ":" << rY; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawtransformedbitmap(" << this << "): "
<< rSourceBitmap.GetSize() << " " << rNull
<< ":" << rX << ":" << rY) == 1) { ::
sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtransformedbitmap(" << this
<< "): " << rSourceBitmap.GetSize() << " "
<< rNull << ":" << rX << ":" <<
rY), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtransformedbitmap(" << this << "): "
<< rSourceBitmap.GetSize() << " " << rNull
<< ":" << rX << ":" << rY; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1697 << " " << rNull << ":" << rX << ":" << rY)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawtransformedbitmap("
<< this << "): " << rSourceBitmap.GetSize(
) << " " << rNull << ":" << rX <<
":" << rY) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtransformedbitmap(" << this
<< "): " << rSourceBitmap.GetSize() << " "
<< rNull << ":" << rX << ":" <<
rY), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtransformedbitmap(" << this << "): "
<< rSourceBitmap.GetSize() << " " << rNull
<< ":" << rX << ":" << rY; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawtransformedbitmap(" << this << "): "
<< rSourceBitmap.GetSize() << " " << rNull
<< ":" << rX << ":" << rY) == 1) { ::
sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtransformedbitmap(" << this
<< "): " << rSourceBitmap.GetSize() << " "
<< rNull << ":" << rX << ":" <<
rY), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtransformedbitmap(" << this << "): "
<< rSourceBitmap.GetSize() << " " << rNull
<< ":" << rX << ":" << rY; ::sal::detail
::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1697" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1698
1699 addXorRegion(SkRect::MakeWH(GetWidth(), GetHeight())); // can't tell, use whole area
1700 // In raster mode scaling and alpha blending is still somewhat expensive if done repeatedly,
1701 // so use mergeCacheBitmaps(), which will cache the result if useful.
1702 // It is better to use SkShader if in GPU mode, if the operation is simple or if the temporary
1703 // image would be very large.
1704 sk_sp<SkImage> imageToDraw = mergeCacheBitmaps(
1705 rSkiaBitmap, pSkiaAlphaBitmap, Size(round(aXRel.getLength()), round(aYRel.getLength())));
1706 if (imageToDraw)
1707 {
1708 SkMatrix matrix;
1709 // Round sizes for scaling, so that sub-pixel differences don't
1710 // trigger unnecessary scaling. Image has already been scaled
1711 // by mergeCacheBitmaps() and we shouldn't scale here again
1712 // unless the drawing is also skewed.
1713 matrix.set(SkMatrix::kMScaleX, round(aXRel.getX()) / imageToDraw->width());
1714 matrix.set(SkMatrix::kMScaleY, round(aYRel.getY()) / imageToDraw->height());
1715 matrix.set(SkMatrix::kMSkewY, aXRel.getY() / imageToDraw->width());
1716 matrix.set(SkMatrix::kMSkewX, aYRel.getX() / imageToDraw->height());
1717 matrix.set(SkMatrix::kMTransX, rNull.getX());
1718 matrix.set(SkMatrix::kMTransY, rNull.getY());
1719 SkCanvas* canvas = getDrawCanvas();
1720 SkAutoCanvasRestore autoRestore(canvas, true);
1721 canvas->concat(matrix);
1722 SkPaint paint;
1723 if (!matrix.isTranslate())
1724 paint.setFilterQuality(kHigh_SkFilterQuality);
1725 canvas->drawImage(imageToDraw, 0, 0, &paint);
1726 }
1727 else
1728 {
1729 SkMatrix matrix;
1730 const Size aSize = rSourceBitmap.GetSize();
1731 matrix.set(SkMatrix::kMScaleX, aXRel.getX() / aSize.Width());
1732 matrix.set(SkMatrix::kMScaleY, aYRel.getY() / aSize.Height());
1733 matrix.set(SkMatrix::kMSkewY, aXRel.getY() / aSize.Width());
1734 matrix.set(SkMatrix::kMSkewX, aYRel.getX() / aSize.Height());
1735 matrix.set(SkMatrix::kMTransX, rNull.getX());
1736 matrix.set(SkMatrix::kMTransY, rNull.getY());
1737 SkCanvas* canvas = getDrawCanvas();
1738 SkAutoCanvasRestore autoRestore(canvas, true);
1739 canvas->concat(matrix);
1740 SkPaint paint;
1741 if (!matrix.isTranslate())
1742 paint.setFilterQuality(kHigh_SkFilterQuality);
1743 if (pSkiaAlphaBitmap)
1744 {
1745 paint.setShader(SkShaders::Blend(SkBlendMode::kDstOut, // VCL alpha is one-minus-alpha.
1746 rSkiaBitmap.GetSkShader(),
1747 pSkiaAlphaBitmap->GetAlphaSkShader()));
1748 canvas->drawRect(SkRect::MakeWH(aSize.Width(), aSize.Height()), paint);
1749 }
1750 else if (rSkiaBitmap.PreferSkShader())
1751 {
1752 paint.setShader(rSkiaBitmap.GetSkShader());
1753 canvas->drawRect(SkRect::MakeWH(aSize.Width(), aSize.Height()), paint);
1754 }
1755 else
1756 {
1757 canvas->drawImage(rSkiaBitmap.GetSkImage(), 0, 0, &paint);
1758 }
1759 }
1760 postDraw();
1761 return true;
1762}
1763
1764bool SkiaSalGraphicsImpl::drawAlphaRect(long nX, long nY, long nWidth, long nHeight,
1765 sal_uInt8 nTransparency)
1766{
1767 privateDrawAlphaRect(nX, nY, nWidth, nHeight, nTransparency / 100.0);
1768 return true;
1769}
1770
1771bool SkiaSalGraphicsImpl::drawGradient(const tools::PolyPolygon& rPolyPolygon,
1772 const Gradient& rGradient)
1773{
1774 if (rGradient.GetStyle() != GradientStyle::Linear
1775 && rGradient.GetStyle() != GradientStyle::Radial)
1776 return false; // unsupported
1777 if (rGradient.GetSteps() != 0)
1778 return false; // We can't tell Skia how many colors to use in the gradient.
1779 preDraw();
1780 SAL_INFO("vcl.skia.trace", "drawgradient(" << this << "): " << rPolyPolygon.getB2DPolyPolygon()do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawgradient(" <<
this << "): " << rPolyPolygon.getB2DPolyPolygon(
) << ":" << static_cast<int>(rGradient.GetStyle
())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO),
("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawgradient(" << this <<
"): " << rPolyPolygon.getB2DPolyPolygon() << ":"
<< static_cast<int>(rGradient.GetStyle())), 0); }
else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawgradient(" << this << "): " <<
rPolyPolygon.getB2DPolyPolygon() << ":" << static_cast
<int>(rGradient.GetStyle()); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawgradient(" << this << "): " <<
rPolyPolygon.getB2DPolyPolygon() << ":" << static_cast
<int>(rGradient.GetStyle())) == 1) { ::sal_detail_log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawgradient(" << this <<
"): " << rPolyPolygon.getB2DPolyPolygon() << ":"
<< static_cast<int>(rGradient.GetStyle())), 0); }
else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawgradient(" << this << "): " <<
rPolyPolygon.getB2DPolyPolygon() << ":" << static_cast
<int>(rGradient.GetStyle()); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1781 << ":" << static_cast<int>(rGradient.GetStyle()))do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawgradient(" <<
this << "): " << rPolyPolygon.getB2DPolyPolygon(
) << ":" << static_cast<int>(rGradient.GetStyle
())) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO),
("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawgradient(" << this <<
"): " << rPolyPolygon.getB2DPolyPolygon() << ":"
<< static_cast<int>(rGradient.GetStyle())), 0); }
else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawgradient(" << this << "): " <<
rPolyPolygon.getB2DPolyPolygon() << ":" << static_cast
<int>(rGradient.GetStyle()); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawgradient(" << this << "): " <<
rPolyPolygon.getB2DPolyPolygon() << ":" << static_cast
<int>(rGradient.GetStyle())) == 1) { ::sal_detail_log( (
::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawgradient(" << this <<
"): " << rPolyPolygon.getB2DPolyPolygon() << ":"
<< static_cast<int>(rGradient.GetStyle())), 0); }
else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawgradient(" << this << "): " <<
rPolyPolygon.getB2DPolyPolygon() << ":" << static_cast
<int>(rGradient.GetStyle()); ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1781" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1782 tools::Rectangle boundRect(rPolyPolygon.GetBoundRect());
1783 if (boundRect.IsEmpty())
1784 return true;
1785 SkPath path;
1786 if (rPolyPolygon.IsRect())
1787 {
1788 // Rect->Polygon conversion loses the right and bottom edge, fix that.
1789 path.addRect(SkRect::MakeXYWH(boundRect.getX(), boundRect.getY(), boundRect.GetWidth(),
1790 boundRect.GetHeight()));
1791 boundRect.AdjustRight(1);
1792 boundRect.AdjustBottom(1);
1793 }
1794 else
1795 addPolyPolygonToPath(rPolyPolygon.getB2DPolyPolygon(), path);
1796 path.setFillType(SkPathFillType::kEvenOdd);
1797 addXorRegion(path.getBounds());
1798
1799 Gradient aGradient(rGradient);
1800 tools::Rectangle aBoundRect;
1801 Point aCenter;
1802 aGradient.SetAngle(aGradient.GetAngle() + 2700);
1803 aGradient.GetBoundRect(boundRect, aBoundRect, aCenter);
1804
1805 SkColor startColor
1806 = toSkColorWithIntensity(rGradient.GetStartColor(), rGradient.GetStartIntensity());
1807 SkColor endColor = toSkColorWithIntensity(rGradient.GetEndColor(), rGradient.GetEndIntensity());
1808
1809 sk_sp<SkShader> shader;
1810 if (rGradient.GetStyle() == GradientStyle::Linear)
1811 {
1812 tools::Polygon aPoly(aBoundRect);
1813 aPoly.Rotate(aCenter, aGradient.GetAngle() % 3600);
1814 SkPoint points[2] = { SkPoint::Make(toSkX(aPoly[0].X()), toSkY(aPoly[0].Y())),
1815 SkPoint::Make(toSkX(aPoly[1].X()), toSkY(aPoly[1].Y())) };
1816 SkColor colors[2] = { startColor, endColor };
1817 SkScalar pos[2] = { SkDoubleToScalar(aGradient.GetBorder() / 100.0)sk_double_to_float(aGradient.GetBorder() / 100.0), 1.0 };
1818 shader = SkGradientShader::MakeLinear(points, colors, pos, 2, SkTileMode::kClamp);
1819 }
1820 else
1821 {
1822 // Move the center by (-1,-1) (the default VCL algorithm is a bit off-center that way,
1823 // Skia is the opposite way).
1824 SkPoint center = SkPoint::Make(toSkX(aCenter.X()) - 1, toSkY(aCenter.Y()) - 1);
1825 SkScalar radius = std::max(aBoundRect.GetWidth() / 2.0, aBoundRect.GetHeight() / 2.0);
1826 SkColor colors[2] = { endColor, startColor };
1827 SkScalar pos[2] = { SkDoubleToScalar(aGradient.GetBorder() / 100.0)sk_double_to_float(aGradient.GetBorder() / 100.0), 1.0 };
1828 shader = SkGradientShader::MakeRadial(center, radius, colors, pos, 2, SkTileMode::kClamp);
1829 }
1830
1831 SkPaint paint;
1832 paint.setAntiAlias(mParent.getAntiAlias());
1833 paint.setShader(shader);
1834 getDrawCanvas()->drawPath(path, paint);
1835 postDraw();
1836 return true;
1837}
1838
1839bool SkiaSalGraphicsImpl::implDrawGradient(const basegfx::B2DPolyPolygon& rPolyPolygon,
1840 const SalGradient& rGradient)
1841{
1842 preDraw();
1843 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "impldrawgradient(" <<
this << "): " << rPolyPolygon << ":" <<
rGradient.maPoint1 << "->" << rGradient.maPoint2
<< ":" << rGradient.maStops.size()) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "impldrawgradient(" << this <<
"): " << rPolyPolygon << ":" << rGradient.
maPoint1 << "->" << rGradient.maPoint2 <<
":" << rGradient.maStops.size()), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "impldrawgradient("
<< this << "): " << rPolyPolygon << ":"
<< rGradient.maPoint1 << "->" << rGradient
.maPoint2 << ":" << rGradient.maStops.size(); ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "impldrawgradient(" << this << "): " <<
rPolyPolygon << ":" << rGradient.maPoint1 <<
"->" << rGradient.maPoint2 << ":" << rGradient
.maStops.size()) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "impldrawgradient(" << this <<
"): " << rPolyPolygon << ":" << rGradient.
maPoint1 << "->" << rGradient.maPoint2 <<
":" << rGradient.maStops.size()), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "impldrawgradient("
<< this << "): " << rPolyPolygon << ":"
<< rGradient.maPoint1 << "->" << rGradient
.maPoint2 << ":" << rGradient.maStops.size(); ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1844 "impldrawgradient(" << this << "): " << rPolyPolygon << ":" << rGradient.maPoint1do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "impldrawgradient(" <<
this << "): " << rPolyPolygon << ":" <<
rGradient.maPoint1 << "->" << rGradient.maPoint2
<< ":" << rGradient.maStops.size()) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "impldrawgradient(" << this <<
"): " << rPolyPolygon << ":" << rGradient.
maPoint1 << "->" << rGradient.maPoint2 <<
":" << rGradient.maStops.size()), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "impldrawgradient("
<< this << "): " << rPolyPolygon << ":"
<< rGradient.maPoint1 << "->" << rGradient
.maPoint2 << ":" << rGradient.maStops.size(); ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "impldrawgradient(" << this << "): " <<
rPolyPolygon << ":" << rGradient.maPoint1 <<
"->" << rGradient.maPoint2 << ":" << rGradient
.maStops.size()) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "impldrawgradient(" << this <<
"): " << rPolyPolygon << ":" << rGradient.
maPoint1 << "->" << rGradient.maPoint2 <<
":" << rGradient.maStops.size()), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "impldrawgradient("
<< this << "): " << rPolyPolygon << ":"
<< rGradient.maPoint1 << "->" << rGradient
.maPoint2 << ":" << rGradient.maStops.size(); ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1845 << "->" << rGradient.maPoint2 << ":" << rGradient.maStops.size())do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "impldrawgradient(" <<
this << "): " << rPolyPolygon << ":" <<
rGradient.maPoint1 << "->" << rGradient.maPoint2
<< ":" << rGradient.maStops.size()) == 1) { ::sal_detail_log
( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "impldrawgradient(" << this <<
"): " << rPolyPolygon << ":" << rGradient.
maPoint1 << "->" << rGradient.maPoint2 <<
":" << rGradient.maStops.size()), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "impldrawgradient("
<< this << "): " << rPolyPolygon << ":"
<< rGradient.maPoint1 << "->" << rGradient
.maPoint2 << ":" << rGradient.maStops.size(); ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "impldrawgradient(" << this << "): " <<
rPolyPolygon << ":" << rGradient.maPoint1 <<
"->" << rGradient.maPoint2 << ":" << rGradient
.maStops.size()) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "impldrawgradient(" << this <<
"): " << rPolyPolygon << ":" << rGradient.
maPoint1 << "->" << rGradient.maPoint2 <<
":" << rGradient.maStops.size()), 0); } else { ::std::
ostringstream sal_detail_stream; sal_detail_stream << "impldrawgradient("
<< this << "): " << rPolyPolygon << ":"
<< rGradient.maPoint1 << "->" << rGradient
.maPoint2 << ":" << rGradient.maStops.size(); ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1845" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1846
1847 SkPath path;
1848 addPolyPolygonToPath(rPolyPolygon, path);
1849 path.setFillType(SkPathFillType::kEvenOdd);
1850
1851 SkPoint points[2]
1852 = { SkPoint::Make(toSkX(rGradient.maPoint1.getX()), toSkY(rGradient.maPoint1.getY())),
1853 SkPoint::Make(toSkX(rGradient.maPoint2.getX()), toSkY(rGradient.maPoint2.getY())) };
1854 std::vector<SkColor> colors;
1855 std::vector<SkScalar> pos;
1856 for (const SalGradientStop& stop : rGradient.maStops)
1857 {
1858 colors.emplace_back(toSkColor(stop.maColor));
1859 pos.emplace_back(stop.mfOffset);
1860 }
1861 sk_sp<SkShader> shader = SkGradientShader::MakeLinear(points, colors.data(), pos.data(),
1862 colors.size(), SkTileMode::kDecal);
1863 SkPaint paint;
1864 paint.setAntiAlias(mParent.getAntiAlias());
1865 paint.setShader(shader);
1866 getDrawCanvas()->drawPath(path, paint);
1867 addXorRegion(path.getBounds());
1868 postDraw();
1869 return true;
1870}
1871
1872static double toRadian(int degree10th) { return (3600 - degree10th) * M_PI3.14159265358979323846 / 1800.0; }
1873static double toCos(int degree10th) { return SkScalarCos(toRadian(degree10th))(float)cosf(toRadian(degree10th)); }
1874static double toSin(int degree10th) { return SkScalarSin(toRadian(degree10th))(float)sinf(toRadian(degree10th)); }
1875
1876void SkiaSalGraphicsImpl::drawGenericLayout(const GenericSalLayout& layout, Color textColor,
1877 const SkFont& font, GlyphOrientation glyphOrientation)
1878{
1879 SkiaZone zone;
1880 std::vector<SkGlyphID> glyphIds;
1881 std::vector<SkRSXform> glyphForms;
1882 glyphIds.reserve(256);
1883 glyphForms.reserve(256);
1884 Point aPos;
1885 const GlyphItem* pGlyph;
1886 int nStart = 0;
1887 while (layout.GetNextGlyph(&pGlyph, aPos, nStart))
1888 {
1889 glyphIds.push_back(pGlyph->glyphId());
1890 int angle = 0; // 10th of degree
1891 if (glyphOrientation == GlyphOrientation::Apply)
1892 {
1893 angle = layout.GetOrientation();
1894 if (pGlyph->IsVertical())
1895 angle += 900; // 90 degree
1896 }
1897 SkRSXform form = SkRSXform::Make(toCos(angle), toSin(angle), aPos.X(), aPos.Y());
1898 glyphForms.emplace_back(std::move(form));
1899 }
1900 if (glyphIds.empty())
1901 return;
1902 sk_sp<SkTextBlob> textBlob
1903 = SkTextBlob::MakeFromRSXform(glyphIds.data(), glyphIds.size() * sizeof(SkGlyphID),
1904 glyphForms.data(), font, SkTextEncoding::kGlyphID);
1905 preDraw();
1906 SAL_INFO("vcl.skia.trace",do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawtextblob(" <<
this << "): " << textBlob->bounds() << ":"
<< textColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtextblob(" << this <<
"): " << textBlob->bounds() << ":" << textColor
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtextblob(" << this << "): " <<
textBlob->bounds() << ":" << textColor; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawtextblob(" << this << "): " <<
textBlob->bounds() << ":" << textColor) == 1)
{ ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtextblob(" << this <<
"): " << textBlob->bounds() << ":" << textColor
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtextblob(" << this << "): " <<
textBlob->bounds() << ":" << textColor; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false)
1907 "drawtextblob(" << this << "): " << textBlob->bounds() << ":" << textColor)do { if (true) { switch (sal_detail_log_report(::SAL_DETAIL_LOG_LEVEL_INFO
, "vcl.skia.trace")) { case SAL_DETAIL_LOG_ACTION_IGNORE: break
; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail::getResult
( ::sal::detail::StreamStart() << "drawtextblob(" <<
this << "): " << textBlob->bounds() << ":"
<< textColor) == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO
), ("vcl.skia.trace"), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtextblob(" << this <<
"): " << textBlob->bounds() << ":" << textColor
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtextblob(" << this << "): " <<
textBlob->bounds() << ":" << textColor; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL
: if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart
() << "drawtextblob(" << this << "): " <<
textBlob->bounds() << ":" << textColor) == 1)
{ ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), ::sal::detail::unwrapStream( ::sal::detail
::StreamStart() << "drawtextblob(" << this <<
"): " << textBlob->bounds() << ":" << textColor
), 0); } else { ::std::ostringstream sal_detail_stream; sal_detail_stream
<< "drawtextblob(" << this << "): " <<
textBlob->bounds() << ":" << textColor; ::sal
::detail::log( (::SAL_DETAIL_LOG_LEVEL_INFO), ("vcl.skia.trace"
), ("/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
":" "1907" ": "), sal_detail_stream, 0); }; std::abort(); break
; } } } while (false);
1908 addXorRegion(textBlob->bounds());
1909 SkPaint paint;
1910 paint.setColor(toSkColor(textColor));
1911 getDrawCanvas()->drawTextBlob(textBlob, 0, 0, paint);
1912 postDraw();
1913}
1914
1915bool SkiaSalGraphicsImpl::supportsOperation(OutDevSupportType eType) const
1916{
1917 switch (eType)
1918 {
1919 case OutDevSupportType::B2DDraw:
1920 case OutDevSupportType::TransparentRect:
1921 return true;
1922 default:
1923 return false;
1924 }
1925}
1926
1927#ifdef DBG_UTIL
1928void SkiaSalGraphicsImpl::dump(const char* file) const
1929{
1930 assert(mSurface.get())(static_cast <bool> (mSurface.get()) ? void (0) : __assert_fail
("mSurface.get()", "/home/maarten/src/libreoffice/core/vcl/skia/gdiimpl.cxx"
, 1930, __extension__ __PRETTY_FUNCTION__));
1931 SkiaHelper::dump(mSurface, file);
1932}
1933#endif
1934
1935/* vim:set shiftwidth=4 softtabstop=4 expandtab: */