| File: | home/maarten/src/libreoffice/core/include/rtl/ref.hxx |
| Warning: | line 192, column 9 Use of memory after it is freed |
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| 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 | // This code strongly inspired by Miguel / Federico's Gnome Canvas demo code. | ||||||||
| 21 | |||||||||
| 22 | #include <sal/config.h> | ||||||||
| 23 | |||||||||
| 24 | #include <basegfx/polygon/b2dpolygon.hxx> | ||||||||
| 25 | #include <basegfx/polygon/b2dpolygontools.hxx> | ||||||||
| 26 | #include <basegfx/utils/canvastools.hxx> | ||||||||
| 27 | #include <com/sun/star/lang/XMultiServiceFactory.hpp> | ||||||||
| 28 | #include <com/sun/star/rendering/CompositeOperation.hpp> | ||||||||
| 29 | #include <com/sun/star/rendering/FillRule.hpp> | ||||||||
| 30 | #include <com/sun/star/rendering/PathCapType.hpp> | ||||||||
| 31 | #include <com/sun/star/rendering/PathJoinType.hpp> | ||||||||
| 32 | #include <com/sun/star/rendering/RenderState.hpp> | ||||||||
| 33 | #include <com/sun/star/rendering/ViewState.hpp> | ||||||||
| 34 | #include <com/sun/star/rendering/XBitmap.hpp> | ||||||||
| 35 | #include <com/sun/star/rendering/XCanvas.hpp> | ||||||||
| 36 | #include <com/sun/star/rendering/XGraphicDevice.hpp> | ||||||||
| 37 | #include <com/sun/star/rendering/XSpriteCanvas.hpp> | ||||||||
| 38 | #include <com/sun/star/ucb/UniversalContentBroker.hpp> | ||||||||
| 39 | #include <comphelper/processfactory.hxx> | ||||||||
| 40 | #include <comphelper/random.hxx> | ||||||||
| 41 | #include <cppuhelper/bootstrap.hxx> | ||||||||
| 42 | #include <vcl/canvastools.hxx> | ||||||||
| 43 | #include <vcl/svapp.hxx> | ||||||||
| 44 | #include <vcl/vclmain.hxx> | ||||||||
| 45 | #include <vcl/virdev.hxx> | ||||||||
| 46 | #include <vcl/window.hxx> | ||||||||
| 47 | #include <vcl/wrkwin.hxx> | ||||||||
| 48 | |||||||||
| 49 | using namespace ::com::sun::star; | ||||||||
| 50 | |||||||||
| 51 | static void PrintHelp() | ||||||||
| 52 | { | ||||||||
| 53 | fprintf( stdoutstdout, "canvasdemo - Exercise the new canvas impl\n" ); | ||||||||
| 54 | } | ||||||||
| 55 | |||||||||
| 56 | namespace { | ||||||||
| 57 | |||||||||
| 58 | class TestWindow : public WorkWindow | ||||||||
| 59 | { | ||||||||
| 60 | public: | ||||||||
| 61 | TestWindow() : WorkWindow(nullptr, WB_APP | WB_STDWORK) | ||||||||
| 62 | { | ||||||||
| 63 | SetText("Canvas test"); | ||||||||
| 64 | SetSizePixel( Size( 600, 450 ) ); | ||||||||
| 65 | EnablePaint( true ); | ||||||||
| 66 | Show(); | ||||||||
| 67 | } | ||||||||
| 68 | virtual ~TestWindow() override {} | ||||||||
| 69 | virtual void MouseButtonUp( const MouseEvent& /*rMEvt*/ ) override | ||||||||
| 70 | { | ||||||||
| 71 | //TODO: do something cool | ||||||||
| 72 | Application::Quit(); | ||||||||
| 73 | } | ||||||||
| 74 | virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override; | ||||||||
| 75 | }; | ||||||||
| 76 | |||||||||
| 77 | class DemoRenderer | ||||||||
| 78 | { | ||||||||
| 79 | public: | ||||||||
| 80 | Size maSize; | ||||||||
| 81 | Size maBox; | ||||||||
| 82 | rendering::ViewState maViewState; | ||||||||
| 83 | rendering::RenderState maRenderState; | ||||||||
| 84 | uno::Sequence< double > maColorBlack; | ||||||||
| 85 | uno::Sequence< double > maColorRed; | ||||||||
| 86 | uno::Reference< rendering::XCanvas > mxCanvas; | ||||||||
| 87 | uno::Reference< rendering::XCanvasFont > mxDefaultFont; | ||||||||
| 88 | uno::Reference< rendering::XGraphicDevice > mxDevice; | ||||||||
| 89 | |||||||||
| 90 | DemoRenderer( uno::Reference< rendering::XGraphicDevice > xDevice, | ||||||||
| 91 | uno::Reference< rendering::XCanvas > xCanvas, | ||||||||
| 92 | Size aSize ) : | ||||||||
| 93 | maSize(aSize), | ||||||||
| 94 | maBox(), | ||||||||
| 95 | maViewState(), | ||||||||
| 96 | maRenderState(), | ||||||||
| 97 | maColorBlack( vcl::unotools::colorToStdColorSpaceSequence( COL_BLACK) ), | ||||||||
| 98 | maColorRed( vcl::unotools::colorToStdColorSpaceSequence( COL_RED) ), | ||||||||
| 99 | mxCanvas(xCanvas), | ||||||||
| 100 | mxDefaultFont(), | ||||||||
| 101 | mxDevice( xDevice ) | ||||||||
| 102 | { | ||||||||
| 103 | // Geometry init | ||||||||
| 104 | geometry::AffineMatrix2D aUnit( 1,0, 0, | ||||||||
| 105 | 0,1, 0 ); | ||||||||
| 106 | maViewState.AffineTransform = aUnit; | ||||||||
| 107 | maRenderState.AffineTransform = aUnit; | ||||||||
| 108 | maRenderState.DeviceColor = maColorBlack; | ||||||||
| 109 | |||||||||
| 110 | //I can't figure out what the compositeoperation stuff does | ||||||||
| 111 | //it doesn't seem to do anything in either VCL or cairocanvas | ||||||||
| 112 | //I was hoping that CLEAR would clear the canvas before we paint, | ||||||||
| 113 | //but nothing changes | ||||||||
| 114 | maRenderState.CompositeOperation = rendering::CompositeOperation::OVER; | ||||||||
| 115 | |||||||||
| 116 | maBox.setWidth(aSize.Width() / 3); | ||||||||
| 117 | maBox.setHeight(aSize.Height() / 3); | ||||||||
| 118 | |||||||||
| 119 | lang::Locale aLocale; | ||||||||
| 120 | rendering::FontInfo aFontInfo; | ||||||||
| 121 | aFontInfo.FamilyName = "Swiss"; | ||||||||
| 122 | aFontInfo.StyleName = "SansSerif"; | ||||||||
| 123 | geometry::Matrix2D aFontMatrix( 1, 0, | ||||||||
| 124 | 0, 1 ); | ||||||||
| 125 | rendering::FontRequest aFontRequest( aFontInfo, 12.0, 0.0, aLocale ); | ||||||||
| 126 | uno::Sequence< beans::PropertyValue > aExtraFontProperties; | ||||||||
| 127 | mxDefaultFont = xCanvas->createFont( aFontRequest, aExtraFontProperties, aFontMatrix ); | ||||||||
| 128 | if( !mxDefaultFont.is() ) | ||||||||
| 129 | fprintf( stderrstderr, "Failed to create font\n" ); | ||||||||
| 130 | } | ||||||||
| 131 | |||||||||
| 132 | void drawGrid() | ||||||||
| 133 | { | ||||||||
| 134 | long d, dIncr = maSize.Width() / 3; | ||||||||
| 135 | for ( d = 0; d <= maSize.Width(); d += dIncr ) | ||||||||
| 136 | mxCanvas->drawLine( geometry::RealPoint2D( d, 0 ), | ||||||||
| 137 | geometry::RealPoint2D( d, maSize.Height() ), | ||||||||
| 138 | maViewState, maRenderState ); | ||||||||
| 139 | dIncr = maSize.Height() / 3; | ||||||||
| 140 | for ( d = 0; d <= maSize.Height(); d += dIncr ) | ||||||||
| 141 | mxCanvas->drawLine( geometry::RealPoint2D( 0, d ), | ||||||||
| 142 | geometry::RealPoint2D( maSize.Width(), d ), | ||||||||
| 143 | maViewState, maRenderState ); | ||||||||
| 144 | } | ||||||||
| 145 | |||||||||
| 146 | void drawStringAt( OString aString, double x, double y ) | ||||||||
| 147 | { | ||||||||
| 148 | rendering::StringContext aText; | ||||||||
| 149 | aText.Text = OStringToOUString( aString, RTL_TEXTENCODING_UTF8(((rtl_TextEncoding) 76)) ); | ||||||||
| 150 | aText.StartPosition = 0; | ||||||||
| 151 | aText.Length = aString.getLength(); | ||||||||
| 152 | rendering::RenderState aRenderState( maRenderState ); | ||||||||
| 153 | aRenderState.AffineTransform.m02 += x; | ||||||||
| 154 | aRenderState.AffineTransform.m12 += y; | ||||||||
| 155 | |||||||||
| 156 | mxCanvas->drawText( aText, mxDefaultFont, maViewState, aRenderState, 0); | ||||||||
| 157 | } | ||||||||
| 158 | |||||||||
| 159 | void drawRect( tools::Rectangle rRect, const uno::Sequence< double > &aColor, int /*nWidth*/ ) | ||||||||
| 160 | { | ||||||||
| 161 | uno::Sequence< geometry::RealPoint2D > aPoints(4); | ||||||||
| 162 | uno::Reference< rendering::XLinePolyPolygon2D > xPoly; | ||||||||
| 163 | |||||||||
| 164 | aPoints[0] = geometry::RealPoint2D( rRect.Left(), rRect.Top() ); | ||||||||
| 165 | aPoints[1] = geometry::RealPoint2D( rRect.Left(), rRect.Bottom() ); | ||||||||
| 166 | aPoints[2] = geometry::RealPoint2D( rRect.Right(), rRect.Bottom() ); | ||||||||
| 167 | aPoints[3] = geometry::RealPoint2D( rRect.Right(), rRect.Top() ); | ||||||||
| 168 | |||||||||
| 169 | uno::Sequence< uno::Sequence< geometry::RealPoint2D > > aPolys(1); | ||||||||
| 170 | aPolys[0] = aPoints; | ||||||||
| 171 | xPoly = mxDevice->createCompatibleLinePolyPolygon( aPolys ); | ||||||||
| 172 | xPoly->setClosed( 0, true ); | ||||||||
| 173 | |||||||||
| 174 | rendering::RenderState aRenderState( maRenderState ); | ||||||||
| 175 | aRenderState.DeviceColor = aColor; | ||||||||
| 176 | mxCanvas->drawPolyPolygon( xPoly, maViewState, aRenderState ); | ||||||||
| 177 | } | ||||||||
| 178 | |||||||||
| 179 | void translate( double x, double y) | ||||||||
| 180 | { | ||||||||
| 181 | maRenderState.AffineTransform.m02 += x; | ||||||||
| 182 | maRenderState.AffineTransform.m12 += y; | ||||||||
| 183 | } | ||||||||
| 184 | |||||||||
| 185 | void drawPolishDiamond( double center_x, double center_y) | ||||||||
| 186 | { | ||||||||
| 187 | const int VERTICES = 10; | ||||||||
| 188 | const double RADIUS = 60.0; | ||||||||
| 189 | int i, j; | ||||||||
| 190 | |||||||||
| 191 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 192 | translate( center_x, center_y ); | ||||||||
| 193 | |||||||||
| 194 | for (i = 0; i < VERTICES; i++) | ||||||||
| 195 | { | ||||||||
| 196 | double a = 2.0 * M_PI3.14159265358979323846 * i / VERTICES; | ||||||||
| 197 | geometry::RealPoint2D aSrc( RADIUS * cos (a), RADIUS * sin (a) ); | ||||||||
| 198 | |||||||||
| 199 | for (j = i + 1; j < VERTICES; j++) | ||||||||
| 200 | { | ||||||||
| 201 | a = 2.0 * M_PI3.14159265358979323846 * j / VERTICES; | ||||||||
| 202 | |||||||||
| 203 | // FIXME: set cap_style to 'ROUND' | ||||||||
| 204 | mxCanvas->drawLine( aSrc, | ||||||||
| 205 | geometry::RealPoint2D( RADIUS * cos (a), | ||||||||
| 206 | RADIUS * sin (a) ), | ||||||||
| 207 | maViewState, maRenderState ); | ||||||||
| 208 | } | ||||||||
| 209 | } | ||||||||
| 210 | |||||||||
| 211 | maRenderState = maOldRenderState; // pop | ||||||||
| 212 | } | ||||||||
| 213 | |||||||||
| 214 | void drawHilbert( double anchor_x, double anchor_y ) | ||||||||
| 215 | { | ||||||||
| 216 | const double SCALE=7.0; | ||||||||
| 217 | const char hilbert[] = "urdrrulurulldluuruluurdrurddldrrruluurdrurddldrddlulldrdldrrurd"; | ||||||||
| 218 | int nLength = SAL_N_ELEMENTS( hilbert )(sizeof(sal_n_array_size(hilbert))); | ||||||||
| 219 | |||||||||
| 220 | uno::Sequence< geometry::RealPoint2D > aPoints( nLength ); | ||||||||
| 221 | uno::Reference< rendering::XLinePolyPolygon2D > xPoly; | ||||||||
| 222 | |||||||||
| 223 | aPoints[0] = geometry::RealPoint2D( anchor_x, anchor_y ); | ||||||||
| 224 | for (int i = 0; i < nLength; i++ ) | ||||||||
| 225 | { | ||||||||
| 226 | switch( hilbert[i] ) | ||||||||
| 227 | { | ||||||||
| 228 | case 'u': | ||||||||
| 229 | aPoints[i+1] = geometry::RealPoint2D( aPoints[i].X, | ||||||||
| 230 | aPoints[i].Y - SCALE ); | ||||||||
| 231 | break; | ||||||||
| 232 | case 'd': | ||||||||
| 233 | aPoints[i+1] = geometry::RealPoint2D( aPoints[i].X, | ||||||||
| 234 | aPoints[i].Y + SCALE ); | ||||||||
| 235 | break; | ||||||||
| 236 | case 'l': | ||||||||
| 237 | aPoints[i+1] = geometry::RealPoint2D( aPoints[i].X - SCALE, | ||||||||
| 238 | aPoints[i].Y ); | ||||||||
| 239 | break; | ||||||||
| 240 | case 'r': | ||||||||
| 241 | aPoints[i+1] = geometry::RealPoint2D( aPoints[i].X + SCALE, | ||||||||
| 242 | aPoints[i].Y ); | ||||||||
| 243 | break; | ||||||||
| 244 | } | ||||||||
| 245 | } | ||||||||
| 246 | |||||||||
| 247 | uno::Sequence< uno::Sequence< geometry::RealPoint2D > > aPolys(1); | ||||||||
| 248 | aPolys[0] = aPoints; | ||||||||
| 249 | |||||||||
| 250 | xPoly = mxDevice->createCompatibleLinePolyPolygon( aPolys ); | ||||||||
| 251 | xPoly->setClosed( 0, false ); | ||||||||
| 252 | |||||||||
| 253 | rendering::RenderState aRenderState( maRenderState ); | ||||||||
| 254 | aRenderState.DeviceColor = maColorRed; | ||||||||
| 255 | // aRenderState.DeviceColor[3] = 0.5; | ||||||||
| 256 | rendering::StrokeAttributes aStrokeAttrs; | ||||||||
| 257 | aStrokeAttrs.StrokeWidth = 4.0; | ||||||||
| 258 | aStrokeAttrs.MiterLimit = 2.0; // ? | ||||||||
| 259 | aStrokeAttrs.StartCapType = rendering::PathCapType::BUTT; | ||||||||
| 260 | aStrokeAttrs.EndCapType = rendering::PathCapType::BUTT; | ||||||||
| 261 | aStrokeAttrs.JoinType = rendering::PathJoinType::MITER; | ||||||||
| 262 | //fprintf( stderr, "FIXME: stroking a tools::PolyPolygon doesn't show up\n" ); | ||||||||
| 263 | //yes it does | ||||||||
| 264 | mxCanvas->strokePolyPolygon( xPoly, maViewState, aRenderState, aStrokeAttrs ); | ||||||||
| 265 | // FIXME: do this instead: | ||||||||
| 266 | //mxCanvas->drawPolyPolygon( xPoly, maViewState, aRenderState ); | ||||||||
| 267 | } | ||||||||
| 268 | |||||||||
| 269 | void drawTitle( OString aTitle ) | ||||||||
| 270 | { | ||||||||
| 271 | // FIXME: text anchoring to be done | ||||||||
| 272 | double nStringWidth = aTitle.getLength() * 8.0; | ||||||||
| 273 | drawStringAt ( aTitle, (maBox.Width() - nStringWidth) / 2, 15 ); | ||||||||
| 274 | } | ||||||||
| 275 | |||||||||
| 276 | void drawRectangles() | ||||||||
| 277 | { | ||||||||
| 278 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 279 | |||||||||
| 280 | drawTitle( OString( "Rectangles" ) ); | ||||||||
| 281 | |||||||||
| 282 | drawRect( tools::Rectangle( 20, 30, 70, 60 ), maColorRed, 8 ); | ||||||||
| 283 | // color mediumseagreen, stipple fill, outline black | ||||||||
| 284 | drawRect( tools::Rectangle( 90, 40, 180, 100 ), maColorBlack, 4 ); | ||||||||
| 285 | // color steelblue, filled, no outline | ||||||||
| 286 | drawRect( tools::Rectangle( 10, 80, 80, 140 ), maColorBlack, 1 ); | ||||||||
| 287 | |||||||||
| 288 | maRenderState = maOldRenderState; // pop | ||||||||
| 289 | } | ||||||||
| 290 | |||||||||
| 291 | void drawEllipses() | ||||||||
| 292 | { | ||||||||
| 293 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 294 | translate( maBox.Width(), 0.0 ); | ||||||||
| 295 | |||||||||
| 296 | drawTitle( OString( "Ellipses" ) ); | ||||||||
| 297 | |||||||||
| 298 | const basegfx::B2DPoint aCenter( maBox.Width()*.5, | ||||||||
| 299 | maBox.Height()*.5 ); | ||||||||
| 300 | const basegfx::B2DPoint aRadii( maBox.Width()*.3, | ||||||||
| 301 | maBox.Height()*.3 ); | ||||||||
| 302 | const basegfx::B2DPolygon& rEllipse( | ||||||||
| 303 | basegfx::utils::createPolygonFromEllipse( aCenter, | ||||||||
| 304 | aRadii.getX(), | ||||||||
| 305 | aRadii.getY() )); | ||||||||
| 306 | |||||||||
| 307 | uno::Reference< rendering::XPolyPolygon2D > xPoly( | ||||||||
| 308 | basegfx::unotools::xPolyPolygonFromB2DPolygon(mxDevice, | ||||||||
| 309 | rEllipse) ); | ||||||||
| 310 | |||||||||
| 311 | rendering::StrokeAttributes aStrokeAttrs; | ||||||||
| 312 | aStrokeAttrs.StrokeWidth = 4.0; | ||||||||
| 313 | aStrokeAttrs.MiterLimit = 2.0; // ? | ||||||||
| 314 | aStrokeAttrs.StartCapType = rendering::PathCapType::BUTT; | ||||||||
| 315 | aStrokeAttrs.EndCapType = rendering::PathCapType::BUTT; | ||||||||
| 316 | aStrokeAttrs.JoinType = rendering::PathJoinType::MITER; | ||||||||
| 317 | mxCanvas->strokePolyPolygon( xPoly, maViewState, maRenderState, aStrokeAttrs ); | ||||||||
| 318 | |||||||||
| 319 | maRenderState = maOldRenderState; // pop | ||||||||
| 320 | } | ||||||||
| 321 | |||||||||
| 322 | void drawText() | ||||||||
| 323 | { | ||||||||
| 324 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 325 | translate( maBox.Width() * 2.0, 0.0 ); | ||||||||
| 326 | |||||||||
| 327 | drawTitle( OString( "Text" ) ); | ||||||||
| 328 | |||||||||
| 329 | translate( 0.0, | ||||||||
| 330 | maBox.Height() * .5 ); | ||||||||
| 331 | drawTitle( OString( "This is lame" ) ); | ||||||||
| 332 | |||||||||
| 333 | maRenderState = maOldRenderState; // pop | ||||||||
| 334 | } | ||||||||
| 335 | |||||||||
| 336 | void drawImages() | ||||||||
| 337 | { | ||||||||
| 338 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 339 | translate( 0.0, maBox.Height() ); | ||||||||
| 340 | |||||||||
| 341 | drawTitle( OString( "Images" ) ); | ||||||||
| 342 | |||||||||
| 343 | uno::Reference< rendering::XBitmap > xBitmap(mxCanvas, uno::UNO_QUERY); | ||||||||
| 344 | |||||||||
| 345 | if( !xBitmap.is() ) | ||||||||
| 346 | return; | ||||||||
| 347 | |||||||||
| 348 | translate( maBox.Width()*0.1, maBox.Height()*0.2 ); | ||||||||
| 349 | maRenderState.AffineTransform.m00 *= 4.0/15; | ||||||||
| 350 | maRenderState.AffineTransform.m11 *= 3.0/15; | ||||||||
| 351 | |||||||||
| 352 | mxCanvas->drawBitmap(xBitmap, maViewState, maRenderState); | ||||||||
| 353 | |||||||||
| 354 | // uno::Reference< rendering::XBitmap > xBitmap2( xBitmap->getScaledBitmap(geometry::RealSize2D(48, 48), false) ); | ||||||||
| 355 | // mxCanvas->drawBitmap(xBitmap2, maViewState, maRenderState); //yes, but where? | ||||||||
| 356 | //cairo-canvas says: | ||||||||
| 357 | //called CanvasHelper::getScaledBitmap, we return NULL, TODO | ||||||||
| 358 | //Exception 'BitmapEx vclcanvas::tools::bitmapExFromXBitmap(const css::uno::Reference<css::rendering::XBitmap>&), | ||||||||
| 359 | //bitmapExFromXBitmap(): could not extract BitmapEx' thrown | ||||||||
| 360 | |||||||||
| 361 | //vcl-canvas says: | ||||||||
| 362 | //Exception 'BitmapEx vclcanvas::tools::bitmapExFromXBitmap(const css::uno::Reference<css::rendering::XBitmap>&), | ||||||||
| 363 | //bitmapExFromXBitmap(): could not extract bitmap' thrown | ||||||||
| 364 | // Thorsten says that this is a bug, and Thorsten never lies. | ||||||||
| 365 | |||||||||
| 366 | maRenderState = maOldRenderState; // pop | ||||||||
| 367 | } | ||||||||
| 368 | |||||||||
| 369 | void drawLines() | ||||||||
| 370 | { | ||||||||
| 371 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 372 | translate( maBox.Width(), maBox.Height() ); | ||||||||
| 373 | |||||||||
| 374 | drawTitle( OString( "Lines" ) ); | ||||||||
| 375 | |||||||||
| 376 | drawPolishDiamond( 70.0, 80.0 ); | ||||||||
| 377 | drawHilbert( 140.0, 140.0 ); | ||||||||
| 378 | |||||||||
| 379 | maRenderState = maOldRenderState; // pop | ||||||||
| 380 | } | ||||||||
| 381 | |||||||||
| 382 | void drawCurves() | ||||||||
| 383 | { | ||||||||
| 384 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 385 | translate( maBox.Width() * 2.0, maBox.Height() ); | ||||||||
| 386 | |||||||||
| 387 | drawTitle( OString( "Curves" ) ); | ||||||||
| 388 | |||||||||
| 389 | translate( maBox.Width() * .5, maBox.Height() * .5 ); | ||||||||
| 390 | |||||||||
| 391 | const double r= 30.0; | ||||||||
| 392 | const int num_curves = 3; | ||||||||
| 393 | |||||||||
| 394 | //hacky hack hack | ||||||||
| 395 | uno::Sequence< geometry::RealBezierSegment2D > aBeziers (num_curves); | ||||||||
| 396 | uno::Reference< rendering::XBezierPolyPolygon2D > xPoly; | ||||||||
| 397 | |||||||||
| 398 | for (int i= 0; i < num_curves; i++) | ||||||||
| 399 | aBeziers[i]= geometry::RealBezierSegment2D( r * cos(i*2*M_PI3.14159265358979323846/num_curves), //Px | ||||||||
| 400 | r * sin(i*2*M_PI3.14159265358979323846/num_curves), //py | ||||||||
| 401 | r * 2 * cos((i*2*M_PI3.14159265358979323846 + 2*M_PI3.14159265358979323846)/num_curves), //C1x | ||||||||
| 402 | r * 2 * sin((i*2*M_PI3.14159265358979323846 + 2*M_PI3.14159265358979323846)/num_curves), //C1y | ||||||||
| 403 | r * 2 * cos((i*2*M_PI3.14159265358979323846 + 2*M_PI3.14159265358979323846)/num_curves), //C2x | ||||||||
| 404 | r * 2 * sin((i*2*M_PI3.14159265358979323846 + 2*M_PI3.14159265358979323846)/num_curves)); //C2y | ||||||||
| 405 | uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > aPolys(1); | ||||||||
| 406 | aPolys[0] = aBeziers; | ||||||||
| 407 | xPoly = mxDevice->createCompatibleBezierPolyPolygon(aPolys); | ||||||||
| 408 | xPoly->setClosed( 0, true ); | ||||||||
| 409 | //uno::Reference< rendering::XBezierPolyPolygon2D> xPP( xPoly, uno::UNO_QUERY ); | ||||||||
| 410 | //compiles, but totally screws up. I think it is interpreting the bezier as a line | ||||||||
| 411 | |||||||||
| 412 | rendering::StrokeAttributes aStrokeAttrs; | ||||||||
| 413 | aStrokeAttrs.StrokeWidth = 4.0; | ||||||||
| 414 | aStrokeAttrs.MiterLimit = 2.0; // ? | ||||||||
| 415 | aStrokeAttrs.StartCapType = rendering::PathCapType::BUTT; | ||||||||
| 416 | aStrokeAttrs.EndCapType = rendering::PathCapType::BUTT; | ||||||||
| 417 | aStrokeAttrs.JoinType = rendering::PathJoinType::MITER; | ||||||||
| 418 | mxCanvas->strokePolyPolygon( xPoly, maViewState, maRenderState, aStrokeAttrs ); | ||||||||
| 419 | //you can't draw a BezierPolyPolygon2D with this, even though it is derived from it | ||||||||
| 420 | //mxCanvas->drawPolyPolygon( xPoly, maViewState, maRenderState ); | ||||||||
| 421 | |||||||||
| 422 | maRenderState = maOldRenderState; // pop | ||||||||
| 423 | } | ||||||||
| 424 | |||||||||
| 425 | double gimmerand() | ||||||||
| 426 | { | ||||||||
| 427 | return comphelper::rng::uniform_real_distribution(0, 100); | ||||||||
| 428 | } | ||||||||
| 429 | |||||||||
| 430 | void drawArcs() | ||||||||
| 431 | { | ||||||||
| 432 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 433 | translate( 0.0, maBox.Height() * 2.0 ); | ||||||||
| 434 | |||||||||
| 435 | drawTitle( OString( "Arcs" ) ); | ||||||||
| 436 | |||||||||
| 437 | |||||||||
| 438 | //begin hacks | ||||||||
| 439 | //This stuff doesn't belong here, but probably in curves | ||||||||
| 440 | //This stuff doesn't work in VCL b/c vcl doesn't do beziers | ||||||||
| 441 | //Hah! Every time the window redraws, we do this | ||||||||
| 442 | double bx; | ||||||||
| 443 | double by; | ||||||||
| 444 | bx= gimmerand(); | ||||||||
| 445 | by= gimmerand(); | ||||||||
| 446 | |||||||||
| 447 | for (int i= 0; i < 1; i++) | ||||||||
| 448 | { | ||||||||
| 449 | double ax; | ||||||||
| 450 | double ay; | ||||||||
| 451 | //point a= point b; | ||||||||
| 452 | ax= bx; | ||||||||
| 453 | ay= by; | ||||||||
| 454 | //point b= rand; | ||||||||
| 455 | bx= gimmerand(); | ||||||||
| 456 | by= gimmerand(); | ||||||||
| 457 | double c1x= gimmerand(); | ||||||||
| 458 | double c1y= gimmerand(); | ||||||||
| 459 | double c2x= gimmerand(); | ||||||||
| 460 | double c2y= gimmerand(); | ||||||||
| 461 | maRenderState.DeviceColor = maColorRed; | ||||||||
| 462 | mxCanvas->drawLine(geometry::RealPoint2D(ax, ay), geometry::RealPoint2D(c1x, c1y), maViewState, maRenderState); | ||||||||
| 463 | mxCanvas->drawLine(geometry::RealPoint2D(c1x, c1y), geometry::RealPoint2D(c2x, c2y), maViewState, maRenderState); | ||||||||
| 464 | mxCanvas->drawLine(geometry::RealPoint2D(bx, by), geometry::RealPoint2D(c2x, c2y), maViewState, maRenderState); | ||||||||
| 465 | //draw from a to b | ||||||||
| 466 | geometry::RealBezierSegment2D aBezierSegment( | ||||||||
| 467 | ax, //Px | ||||||||
| 468 | ay, //Py | ||||||||
| 469 | c1x, | ||||||||
| 470 | c1x, | ||||||||
| 471 | c2x, | ||||||||
| 472 | c2y | ||||||||
| 473 | ); | ||||||||
| 474 | geometry::RealPoint2D aEndPoint(bx, by); | ||||||||
| 475 | maRenderState.DeviceColor = maColorBlack; | ||||||||
| 476 | mxCanvas->drawBezier( | ||||||||
| 477 | aBezierSegment, | ||||||||
| 478 | aEndPoint, | ||||||||
| 479 | maViewState, maRenderState ); | ||||||||
| 480 | } | ||||||||
| 481 | maRenderState = maOldRenderState; // pop | ||||||||
| 482 | } | ||||||||
| 483 | |||||||||
| 484 | |||||||||
| 485 | void drawRegularPolygon(double centerx, double centery, int sides, double r) | ||||||||
| 486 | { | ||||||||
| 487 | //hacky hack hack | ||||||||
| 488 | uno::Sequence< geometry::RealPoint2D > aPoints (sides); | ||||||||
| 489 | uno::Reference< rendering::XLinePolyPolygon2D > xPoly; | ||||||||
| 490 | |||||||||
| 491 | for (int i= 0; i < sides; i++) | ||||||||
| 492 | { | ||||||||
| 493 | aPoints[i]= geometry::RealPoint2D( centerx + r * cos(i*2 * M_PI3.14159265358979323846/sides), | ||||||||
| 494 | centery + r * sin(i*2 * M_PI3.14159265358979323846/sides)); | ||||||||
| 495 | } | ||||||||
| 496 | uno::Sequence< uno::Sequence< geometry::RealPoint2D > > aPolys(1); | ||||||||
| 497 | aPolys[0] = aPoints; | ||||||||
| 498 | xPoly = mxDevice->createCompatibleLinePolyPolygon( aPolys ); | ||||||||
| 499 | xPoly->setClosed( 0, true ); | ||||||||
| 500 | rendering::RenderState aRenderState( maRenderState ); | ||||||||
| 501 | aRenderState.DeviceColor = maColorRed; | ||||||||
| 502 | mxCanvas->drawPolyPolygon( xPoly, maViewState, aRenderState); | ||||||||
| 503 | mxCanvas->fillPolyPolygon( xPoly, | ||||||||
| 504 | maViewState, | ||||||||
| 505 | aRenderState ); | ||||||||
| 506 | } | ||||||||
| 507 | |||||||||
| 508 | void drawPolygons() | ||||||||
| 509 | { | ||||||||
| 510 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 511 | translate( maBox.Width() * 1.0, maBox.Height() * 2.0 ); | ||||||||
| 512 | |||||||||
| 513 | drawTitle( OString( "Polygons" ) ); | ||||||||
| 514 | |||||||||
| 515 | int sides= 3; | ||||||||
| 516 | for (int i= 1; i <= 4; i++) | ||||||||
| 517 | { | ||||||||
| 518 | drawRegularPolygon(35*i, 35, sides, 15); | ||||||||
| 519 | sides++; | ||||||||
| 520 | } | ||||||||
| 521 | |||||||||
| 522 | maRenderState = maOldRenderState; // pop | ||||||||
| 523 | } | ||||||||
| 524 | |||||||||
| 525 | void drawWidgets() // FIXME: prolly makes no sense | ||||||||
| 526 | { | ||||||||
| 527 | rendering::RenderState maOldRenderState = maRenderState; // push | ||||||||
| 528 | translate( maBox.Width() * 2.0, maBox.Height() * 2.0 ); | ||||||||
| 529 | |||||||||
| 530 | drawTitle( OString( "Widgets" ) ); | ||||||||
| 531 | |||||||||
| 532 | maRenderState = maOldRenderState; // pop | ||||||||
| 533 | } | ||||||||
| 534 | }; | ||||||||
| 535 | |||||||||
| 536 | } | ||||||||
| 537 | |||||||||
| 538 | void TestWindow::Paint(vcl::RenderContext&, const tools::Rectangle&) | ||||||||
| 539 | { | ||||||||
| 540 | try | ||||||||
| 541 | { | ||||||||
| 542 | uno::Reference< rendering::XCanvas > xVDevCanvas( GetCanvas(), | ||||||||
| 543 | uno::UNO_SET_THROW ); | ||||||||
| 544 | uno::Reference< rendering::XGraphicDevice > xVDevDevice( xVDevCanvas->getDevice(), | ||||||||
| 545 | uno::UNO_SET_THROW ); | ||||||||
| 546 | DemoRenderer aVDevRenderer( xVDevDevice, xVDevCanvas, GetSizePixel()); | ||||||||
| 547 | xVDevCanvas->clear(); | ||||||||
| 548 | aVDevRenderer.drawGrid(); | ||||||||
| 549 | aVDevRenderer.drawRectangles(); | ||||||||
| 550 | aVDevRenderer.drawEllipses(); | ||||||||
| 551 | aVDevRenderer.drawText(); | ||||||||
| 552 | aVDevRenderer.drawLines(); | ||||||||
| 553 | aVDevRenderer.drawCurves(); | ||||||||
| 554 | aVDevRenderer.drawArcs(); | ||||||||
| 555 | aVDevRenderer.drawPolygons(); | ||||||||
| 556 | |||||||||
| 557 | uno::Reference< rendering::XCanvas > xCanvas( GetSpriteCanvas(), | ||||||||
| 558 | uno::UNO_QUERY_THROW ); | ||||||||
| 559 | uno::Reference< rendering::XGraphicDevice > xDevice( xCanvas->getDevice(), | ||||||||
| 560 | uno::UNO_SET_THROW ); | ||||||||
| 561 | |||||||||
| 562 | DemoRenderer aRenderer( xDevice, xCanvas, GetSizePixel() ); | ||||||||
| 563 | xCanvas->clear(); | ||||||||
| 564 | aRenderer.drawGrid(); | ||||||||
| 565 | aRenderer.drawRectangles(); | ||||||||
| 566 | aRenderer.drawEllipses(); | ||||||||
| 567 | aRenderer.drawText(); | ||||||||
| 568 | aRenderer.drawLines(); | ||||||||
| 569 | aRenderer.drawCurves(); | ||||||||
| 570 | aRenderer.drawArcs(); | ||||||||
| 571 | aRenderer.drawPolygons(); | ||||||||
| 572 | aRenderer.drawWidgets(); | ||||||||
| 573 | aRenderer.drawImages(); | ||||||||
| 574 | |||||||||
| 575 | // check whether virdev actually contained something | ||||||||
| 576 | uno::Reference< rendering::XBitmap > xBitmap(xVDevCanvas, uno::UNO_QUERY); | ||||||||
| 577 | if( !xBitmap.is() ) | ||||||||
| 578 | return; | ||||||||
| 579 | |||||||||
| 580 | aRenderer.maRenderState.AffineTransform.m02 += 100; | ||||||||
| 581 | aRenderer.maRenderState.AffineTransform.m12 += 100; | ||||||||
| 582 | xCanvas->drawBitmap(xBitmap, aRenderer.maViewState, aRenderer.maRenderState); | ||||||||
| 583 | |||||||||
| 584 | uno::Reference< rendering::XSpriteCanvas > xSpriteCanvas( xCanvas, | ||||||||
| 585 | uno::UNO_QUERY ); | ||||||||
| 586 | if( xSpriteCanvas.is() ) | ||||||||
| 587 | xSpriteCanvas->updateScreen( true ); // without | ||||||||
| 588 | // updateScreen(), | ||||||||
| 589 | // nothing is | ||||||||
| 590 | // visible | ||||||||
| 591 | } | ||||||||
| 592 | catch (const uno::Exception &e) | ||||||||
| 593 | { | ||||||||
| 594 | fprintf( stderrstderr, "Exception '%s' thrown\n" , | ||||||||
| 595 | OUStringToOString( e.Message, RTL_TEXTENCODING_UTF8(((rtl_TextEncoding) 76)) ).getStr() ); | ||||||||
| 596 | } | ||||||||
| 597 | } | ||||||||
| 598 | |||||||||
| 599 | namespace { | ||||||||
| 600 | |||||||||
| 601 | class DemoApp : public Application | ||||||||
| 602 | { | ||||||||
| 603 | public: | ||||||||
| 604 | virtual int Main() override; | ||||||||
| 605 | virtual void Exception(ExceptionCategory nCategory) override; | ||||||||
| 606 | |||||||||
| 607 | protected: | ||||||||
| 608 | void Init() override; | ||||||||
| 609 | void DeInit() override; | ||||||||
| 610 | }; | ||||||||
| 611 | |||||||||
| 612 | } | ||||||||
| 613 | |||||||||
| 614 | int DemoApp::Main() | ||||||||
| 615 | { | ||||||||
| 616 | bool bHelp = false; | ||||||||
| 617 | |||||||||
| 618 | for( unsigned int i = 0; i < GetCommandLineParamCount(); i++ ) | ||||||||
| |||||||||
| 619 | { | ||||||||
| 620 | OUString aParam = GetCommandLineParam( i ); | ||||||||
| 621 | |||||||||
| 622 | if( aParam == "--help" || aParam == "-h" ) | ||||||||
| 623 | bHelp = true; | ||||||||
| 624 | } | ||||||||
| 625 | |||||||||
| 626 | if( bHelp
| ||||||||
| 627 | { | ||||||||
| 628 | PrintHelp(); | ||||||||
| 629 | return 1; | ||||||||
| 630 | } | ||||||||
| 631 | |||||||||
| 632 | ScopedVclPtr<TestWindow> aWindow = VclPtr<TestWindow>::Create(); | ||||||||
| 633 | aWindow->Show(); | ||||||||
| 634 | |||||||||
| 635 | Application::Execute(); | ||||||||
| 636 | return 0; | ||||||||
| 637 | } | ||||||||
| 638 | |||||||||
| 639 | void DemoApp::Exception( ExceptionCategory ) | ||||||||
| 640 | { | ||||||||
| 641 | } | ||||||||
| 642 | |||||||||
| 643 | void DemoApp::Init() | ||||||||
| 644 | { | ||||||||
| 645 | try | ||||||||
| 646 | { | ||||||||
| 647 | uno::Reference<uno::XComponentContext> xComponentContext | ||||||||
| 648 | = ::cppu::defaultBootstrap_InitialComponentContext(); | ||||||||
| 649 | uno::Reference<lang::XMultiServiceFactory> xMSF; | ||||||||
| 650 | xMSF.set(xComponentContext->getServiceManager(), uno::UNO_QUERY); | ||||||||
| 651 | if(!xMSF.is()) | ||||||||
| 652 | Application::Abort("Bootstrap failure - no service manager"); | ||||||||
| 653 | |||||||||
| 654 | ::comphelper::setProcessServiceFactory(xMSF); | ||||||||
| 655 | } | ||||||||
| 656 | catch (const uno::Exception &e) | ||||||||
| 657 | { | ||||||||
| 658 | Application::Abort("Bootstrap exception " + e.Message); | ||||||||
| 659 | } | ||||||||
| 660 | } | ||||||||
| 661 | |||||||||
| 662 | void DemoApp::DeInit() | ||||||||
| 663 | { | ||||||||
| 664 | uno::Reference< lang::XComponent >( | ||||||||
| 665 | comphelper::getProcessComponentContext(), | ||||||||
| 666 | uno::UNO_QUERY_THROW)-> dispose(); | ||||||||
| 667 | ::comphelper::setProcessServiceFactory(nullptr); | ||||||||
| 668 | } | ||||||||
| 669 | |||||||||
| 670 | void vclmain::createApplication() | ||||||||
| 671 | { | ||||||||
| 672 | static DemoApp aApp; | ||||||||
| 673 | } | ||||||||
| 674 | |||||||||
| 675 | // TODO | ||||||||
| 676 | // - bouncing clip-rectangle mode - bounce a clip-rect around the window... | ||||||||
| 677 | // - complete all of pre-existing canvas bits | ||||||||
| 678 | // - affine transform tweakage... | ||||||||
| 679 | |||||||||
| 680 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
| 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 | #ifndef INCLUDED_VCL_PTR_HXX |
| 21 | #define INCLUDED_VCL_PTR_HXX |
| 22 | |
| 23 | #include <sal/config.h> |
| 24 | |
| 25 | #include <rtl/ref.hxx> |
| 26 | |
| 27 | #include <utility> |
| 28 | #include <type_traits> |
| 29 | |
| 30 | #ifdef DBG_UTIL |
| 31 | #ifndef _WIN32 |
| 32 | #include <vcl/vclmain.hxx> |
| 33 | #endif |
| 34 | #endif |
| 35 | |
| 36 | class VclReferenceBase; |
| 37 | |
| 38 | namespace vcl::detail { |
| 39 | |
| 40 | template<typename> |
| 41 | constexpr bool isIncompleteOrDerivedFromVclReferenceBase(...) { return true; } |
| 42 | |
| 43 | template<typename T> constexpr bool isIncompleteOrDerivedFromVclReferenceBase( |
| 44 | int (*)[sizeof(T)]) |
| 45 | { return std::is_base_of<VclReferenceBase, T>::value; } |
| 46 | |
| 47 | } // namespace vcl::detail |
| 48 | |
| 49 | /** |
| 50 | * A thin wrapper around rtl::Reference to implement the acquire and dispose semantics we want for references to vcl::Window subclasses. |
| 51 | * |
| 52 | * For more details on the design please see vcl/README.lifecycle |
| 53 | * |
| 54 | * @param reference_type must be a subclass of vcl::Window |
| 55 | */ |
| 56 | template <class reference_type> |
| 57 | class VclPtr |
| 58 | { |
| 59 | static_assert( |
| 60 | vcl::detail::isIncompleteOrDerivedFromVclReferenceBase<reference_type>( |
| 61 | nullptr), |
| 62 | "template argument type must be derived from VclReferenceBase"); |
| 63 | |
| 64 | ::rtl::Reference<reference_type> m_rInnerRef; |
| 65 | |
| 66 | public: |
| 67 | /** Constructor... |
| 68 | */ |
| 69 | VclPtr() |
| 70 | : m_rInnerRef() |
| 71 | {} |
| 72 | |
| 73 | /** Constructor... |
| 74 | */ |
| 75 | VclPtr (reference_type * pBody) |
| 76 | : m_rInnerRef(pBody) |
| 77 | {} |
| 78 | |
| 79 | /** Constructor... that doesn't take a ref. |
| 80 | */ |
| 81 | VclPtr (reference_type * pBody, __sal_NoAcquire) |
| 82 | : m_rInnerRef(pBody, SAL_NO_ACQUIRE) |
| 83 | {} |
| 84 | |
| 85 | /** Up-casting conversion constructor: Copies interface reference. |
| 86 | |
| 87 | Does not work for up-casts to ambiguous bases. For the special case of |
| 88 | up-casting to Reference< XInterface >, see the corresponding conversion |
| 89 | operator. |
| 90 | |
| 91 | @param rRef another reference |
| 92 | */ |
| 93 | template< class derived_type > |
| 94 | VclPtr( |
| 95 | const VclPtr< derived_type > & rRef, |
| 96 | typename std::enable_if< |
| 97 | std::is_base_of<reference_type, derived_type>::value, int>::type |
| 98 | = 0 ) |
| 99 | : m_rInnerRef( static_cast<reference_type*>(rRef) ) |
| 100 | { |
| 101 | } |
| 102 | |
| 103 | #if defined(DBG_UTIL) && !defined(_WIN32) |
| 104 | virtual ~VclPtr() |
| 105 | { |
| 106 | assert(m_rInnerRef.get() == nullptr || vclmain::isAlive())(static_cast <bool> (m_rInnerRef.get() == nullptr || vclmain ::isAlive()) ? void (0) : __assert_fail ("m_rInnerRef.get() == nullptr || vclmain::isAlive()" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 106, __extension__ __PRETTY_FUNCTION__)); |
| 107 | // We can be one of the intermediate counts, but if we are the last |
| 108 | // VclPtr keeping this object alive, then something forgot to call dispose(). |
| 109 | assert((!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1)(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef ->isDisposed() || m_rInnerRef->getRefCount() > 1) && "someone forgot to call dispose()") ? void (0) : __assert_fail ("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\"" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 110, __extension__ __PRETTY_FUNCTION__)) |
| 110 | && "someone forgot to call dispose()")(static_cast <bool> ((!m_rInnerRef.get() || m_rInnerRef ->isDisposed() || m_rInnerRef->getRefCount() > 1) && "someone forgot to call dispose()") ? void (0) : __assert_fail ("(!m_rInnerRef.get() || m_rInnerRef->isDisposed() || m_rInnerRef->getRefCount() > 1) && \"someone forgot to call dispose()\"" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 110, __extension__ __PRETTY_FUNCTION__)); |
| 111 | } |
| 112 | VclPtr(VclPtr const &) = default; |
| 113 | VclPtr(VclPtr &&) = default; |
| 114 | VclPtr & operator =(VclPtr const &) = default; |
| 115 | VclPtr & operator =(VclPtr &&) = default; |
| 116 | #endif |
| 117 | |
| 118 | /** |
| 119 | * A construction helper for VclPtr. Since VclPtr types are created |
| 120 | * with a reference-count of one - to help fit into the existing |
| 121 | * code-flow; this helps us to construct them easily. |
| 122 | * |
| 123 | * For more details on the design please see vcl/README.lifecycle |
| 124 | * |
| 125 | * @tparam reference_type must be a subclass of vcl::Window |
| 126 | */ |
| 127 | template<typename... Arg> [[nodiscard]] static VclPtr< reference_type > Create(Arg &&... arg) |
| 128 | { |
| 129 | return VclPtr< reference_type >( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ); |
| 130 | } |
| 131 | |
| 132 | /** Probably most common used: handle->someBodyOp(). |
| 133 | */ |
| 134 | reference_type * operator->() const |
| 135 | { |
| 136 | return m_rInnerRef.get(); |
| 137 | } |
| 138 | |
| 139 | /** Get the body. Can be used instead of operator->(). |
| 140 | I.e. handle->someBodyOp() and handle.get()->someBodyOp() |
| 141 | are the same. |
| 142 | */ |
| 143 | reference_type * get() const |
| 144 | { |
| 145 | return m_rInnerRef.get(); |
| 146 | } |
| 147 | |
| 148 | void set(reference_type *pBody) |
| 149 | { |
| 150 | m_rInnerRef.set(pBody); |
| 151 | } |
| 152 | |
| 153 | void reset(reference_type *pBody) |
| 154 | { |
| 155 | m_rInnerRef.set(pBody); |
| 156 | } |
| 157 | |
| 158 | /** Up-casting copy assignment operator. |
| 159 | |
| 160 | Does not work for up-casts to ambiguous bases. |
| 161 | |
| 162 | @param rRef another reference |
| 163 | */ |
| 164 | template<typename derived_type> |
| 165 | typename std::enable_if< |
| 166 | std::is_base_of<reference_type, derived_type>::value, |
| 167 | VclPtr &>::type |
| 168 | operator =(VclPtr<derived_type> const & rRef) |
| 169 | { |
| 170 | m_rInnerRef.set(rRef.get()); |
| 171 | return *this; |
| 172 | } |
| 173 | |
| 174 | VclPtr & operator =(reference_type * pBody) |
| 175 | { |
| 176 | m_rInnerRef.set(pBody); |
| 177 | return *this; |
| 178 | } |
| 179 | |
| 180 | operator reference_type * () const |
| 181 | { |
| 182 | return m_rInnerRef.get(); |
| 183 | } |
| 184 | |
| 185 | explicit operator bool () const |
| 186 | { |
| 187 | return m_rInnerRef.get() != nullptr; |
| 188 | } |
| 189 | |
| 190 | void clear() |
| 191 | { |
| 192 | m_rInnerRef.clear(); |
| 193 | } |
| 194 | |
| 195 | void reset() |
| 196 | { |
| 197 | m_rInnerRef.clear(); |
| 198 | } |
| 199 | |
| 200 | void disposeAndClear() |
| 201 | { |
| 202 | // hold it alive for the lifetime of this method |
| 203 | ::rtl::Reference<reference_type> aTmp(m_rInnerRef); |
| 204 | m_rInnerRef.clear(); // we should use some 'swap' method ideally ;-) |
| 205 | if (aTmp.get()) { |
| 206 | aTmp->disposeOnce(); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | /** Needed to place VclPtr's into STL collection. |
| 211 | */ |
| 212 | bool operator< (const VclPtr<reference_type> & handle) const |
| 213 | { |
| 214 | return (m_rInnerRef < handle.m_rInnerRef); |
| 215 | } |
| 216 | }; // class VclPtr |
| 217 | |
| 218 | template<typename T1, typename T2> |
| 219 | inline bool operator ==(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
| 220 | return p1.get() == p2.get(); |
| 221 | } |
| 222 | |
| 223 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T const * p2) |
| 224 | { |
| 225 | return p1.get() == p2; |
| 226 | } |
| 227 | |
| 228 | template<typename T> inline bool operator ==(VclPtr<T> const & p1, T * p2) { |
| 229 | return p1.get() == p2; |
| 230 | } |
| 231 | |
| 232 | template<typename T> inline bool operator ==(T const * p1, VclPtr<T> const & p2) |
| 233 | { |
| 234 | return p1 == p2.get(); |
| 235 | } |
| 236 | |
| 237 | template<typename T> inline bool operator ==(T * p1, VclPtr<T> const & p2) { |
| 238 | return p1 == p2.get(); |
| 239 | } |
| 240 | |
| 241 | template<typename T1, typename T2> |
| 242 | inline bool operator !=(VclPtr<T1> const & p1, VclPtr<T2> const & p2) { |
| 243 | return !(p1 == p2); |
| 244 | } |
| 245 | |
| 246 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T const * p2) |
| 247 | { |
| 248 | return !(p1 == p2); |
| 249 | } |
| 250 | |
| 251 | template<typename T> inline bool operator !=(VclPtr<T> const & p1, T * p2) { |
| 252 | return !(p1 == p2); |
| 253 | } |
| 254 | |
| 255 | template<typename T> inline bool operator !=(T const * p1, VclPtr<T> const & p2) |
| 256 | { |
| 257 | return !(p1 == p2); |
| 258 | } |
| 259 | |
| 260 | template<typename T> inline bool operator !=(T * p1, VclPtr<T> const & p2) { |
| 261 | return !(p1 == p2); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * A construction helper for a temporary VclPtr. Since VclPtr types |
| 266 | * are created with a reference-count of one - to help fit into |
| 267 | * the existing code-flow; this helps us to construct them easily. |
| 268 | * see also VclPtr::Create and ScopedVclPtr |
| 269 | * |
| 270 | * For more details on the design please see vcl/README.lifecycle |
| 271 | * |
| 272 | * @param reference_type must be a subclass of vcl::Window |
| 273 | */ |
| 274 | template <class reference_type> |
| 275 | class SAL_WARN_UNUSED__attribute__((warn_unused)) VclPtrInstance final : public VclPtr<reference_type> |
| 276 | { |
| 277 | public: |
| 278 | template<typename... Arg> VclPtrInstance(Arg &&... arg) |
| 279 | : VclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ) |
| 280 | { |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Override and disallow this, to prevent people accidentally calling it and actually |
| 285 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
| 286 | */ |
| 287 | template<typename... Arg> static VclPtrInstance< reference_type > Create(Arg &&... ) = delete; |
| 288 | }; |
| 289 | |
| 290 | template <class reference_type> |
| 291 | class ScopedVclPtr : public VclPtr<reference_type> |
| 292 | { |
| 293 | public: |
| 294 | /** Constructor... |
| 295 | */ |
| 296 | ScopedVclPtr() |
| 297 | : VclPtr<reference_type>() |
| 298 | {} |
| 299 | |
| 300 | /** Constructor |
| 301 | */ |
| 302 | ScopedVclPtr (reference_type * pBody) |
| 303 | : VclPtr<reference_type>(pBody) |
| 304 | {} |
| 305 | |
| 306 | /** Copy constructor... |
| 307 | */ |
| 308 | ScopedVclPtr (const VclPtr<reference_type> & handle) |
| 309 | : VclPtr<reference_type>(handle) |
| 310 | {} |
| 311 | |
| 312 | /** |
| 313 | Assignment that releases the last reference. |
| 314 | */ |
| 315 | void disposeAndReset(reference_type *pBody) |
| 316 | { |
| 317 | if (pBody != this->get()) { |
| 318 | VclPtr<reference_type>::disposeAndClear(); |
| 319 | VclPtr<reference_type>::set(pBody); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | Assignment that releases the last reference. |
| 325 | */ |
| 326 | ScopedVclPtr<reference_type>& operator = (reference_type * pBody) |
| 327 | { |
| 328 | disposeAndReset(pBody); |
| 329 | return *this; |
| 330 | } |
| 331 | |
| 332 | /** Up-casting conversion constructor: Copies interface reference. |
| 333 | |
| 334 | Does not work for up-casts to ambiguous bases. For the special case of |
| 335 | up-casting to Reference< XInterface >, see the corresponding conversion |
| 336 | operator. |
| 337 | |
| 338 | @param rRef another reference |
| 339 | */ |
| 340 | template< class derived_type > |
| 341 | ScopedVclPtr( |
| 342 | const VclPtr< derived_type > & rRef, |
| 343 | typename std::enable_if< |
| 344 | std::is_base_of<reference_type, derived_type>::value, int>::type |
| 345 | = 0 ) |
| 346 | : VclPtr<reference_type>( rRef ) |
| 347 | { |
| 348 | } |
| 349 | |
| 350 | /** Up-casting assignment operator. |
| 351 | |
| 352 | Does not work for up-casts to ambiguous bases. |
| 353 | |
| 354 | @param rRef another VclPtr |
| 355 | */ |
| 356 | template<typename derived_type> |
| 357 | typename std::enable_if< |
| 358 | std::is_base_of<reference_type, derived_type>::value, |
| 359 | ScopedVclPtr &>::type |
| 360 | operator =(VclPtr<derived_type> const & rRef) |
| 361 | { |
| 362 | disposeAndReset(rRef.get()); |
| 363 | return *this; |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Override and disallow this, to prevent people accidentally calling it and actually |
| 368 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
| 369 | */ |
| 370 | template<typename... Arg> static ScopedVclPtr< reference_type > Create(Arg &&... ) = delete; |
| 371 | |
| 372 | ~ScopedVclPtr() |
| 373 | { |
| 374 | VclPtr<reference_type>::disposeAndClear(); |
| 375 | assert(VclPtr<reference_type>::get() == nullptr)(static_cast <bool> (VclPtr<reference_type>::get( ) == nullptr) ? void (0) : __assert_fail ("VclPtr<reference_type>::get() == nullptr" , "/home/maarten/src/libreoffice/core/include/vcl/vclptr.hxx" , 375, __extension__ __PRETTY_FUNCTION__)); // make sure there are no lingering references |
| 376 | } |
| 377 | |
| 378 | private: |
| 379 | // Most likely we don't want this default copy-constructor. |
| 380 | ScopedVclPtr (const ScopedVclPtr<reference_type> &) = delete; |
| 381 | // And certainly we don't want a default assignment operator. |
| 382 | ScopedVclPtr<reference_type>& operator = (const ScopedVclPtr<reference_type> &) = delete; |
| 383 | // And disallow reset as that doesn't call disposeAndClear on the original reference |
| 384 | void reset() = delete; |
| 385 | void reset(reference_type *pBody) = delete; |
| 386 | |
| 387 | protected: |
| 388 | ScopedVclPtr (reference_type * pBody, __sal_NoAcquire) |
| 389 | : VclPtr<reference_type>(pBody, SAL_NO_ACQUIRE) |
| 390 | {} |
| 391 | }; |
| 392 | |
| 393 | /** |
| 394 | * A construction helper for ScopedVclPtr. Since VclPtr types are created |
| 395 | * with a reference-count of one - to help fit into the existing |
| 396 | * code-flow; this helps us to construct them easily. |
| 397 | * |
| 398 | * For more details on the design please see vcl/README.lifecycle |
| 399 | * |
| 400 | * @param reference_type must be a subclass of vcl::Window |
| 401 | */ |
| 402 | #if defined _MSC_VER |
| 403 | #pragma warning(push) |
| 404 | #pragma warning(disable: 4521) // " multiple copy constructors specified" |
| 405 | #endif |
| 406 | template <class reference_type> |
| 407 | class SAL_WARN_UNUSED__attribute__((warn_unused)) ScopedVclPtrInstance final : public ScopedVclPtr<reference_type> |
| 408 | { |
| 409 | public: |
| 410 | template<typename... Arg> ScopedVclPtrInstance(Arg &&... arg) |
| 411 | : ScopedVclPtr<reference_type>( new reference_type(std::forward<Arg>(arg)...), SAL_NO_ACQUIRE ) |
| 412 | { |
| 413 | } |
| 414 | |
| 415 | /** |
| 416 | * Override and disallow this, to prevent people accidentally calling it and actually |
| 417 | * getting VclPtr::Create and getting a naked VclPtr<> instance |
| 418 | */ |
| 419 | template<typename... Arg> static ScopedVclPtrInstance< reference_type > Create(Arg &&...) = delete; |
| 420 | |
| 421 | private: |
| 422 | // Prevent the above perfect forwarding ctor from hijacking (accidental) |
| 423 | // attempts at ScopedVclPtrInstance copy construction (where the hijacking |
| 424 | // would typically lead to somewhat obscure error messages); both non-const |
| 425 | // and const variants are needed here, as the ScopedVclPtr base class has a |
| 426 | // const--variant copy ctor, so the implicitly declared copy ctor for |
| 427 | // ScopedVclPtrInstance would also be the const variant, so non-const copy |
| 428 | // construction attempts would be hijacked by the perfect forwarding ctor; |
| 429 | // but if we only declared a non-const variant here, the const variant would |
| 430 | // no longer be implicitly declared (as there would already be an explicitly |
| 431 | // declared copy ctor), so const copy construction attempts would then be |
| 432 | // hijacked by the perfect forwarding ctor: |
| 433 | ScopedVclPtrInstance(ScopedVclPtrInstance &) = delete; |
| 434 | ScopedVclPtrInstance(ScopedVclPtrInstance const &) = delete; |
| 435 | }; |
| 436 | #if defined _MSC_VER |
| 437 | #pragma warning(pop) |
| 438 | #endif |
| 439 | |
| 440 | #endif // INCLUDED_VCL_PTR_HXX |
| 441 | |
| 442 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
| 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 | #ifndef INCLUDED_RTL_REF_HXX | ||||||||
| 21 | #define INCLUDED_RTL_REF_HXX | ||||||||
| 22 | |||||||||
| 23 | #include "sal/config.h" | ||||||||
| 24 | |||||||||
| 25 | #include <cassert> | ||||||||
| 26 | #include <cstddef> | ||||||||
| 27 | #include <functional> | ||||||||
| 28 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
| 29 | #include <type_traits> | ||||||||
| 30 | #endif | ||||||||
| 31 | |||||||||
| 32 | #include "sal/types.h" | ||||||||
| 33 | |||||||||
| 34 | namespace rtl | ||||||||
| 35 | { | ||||||||
| 36 | |||||||||
| 37 | /** Template reference class for reference type. | ||||||||
| 38 | */ | ||||||||
| 39 | template <class reference_type> | ||||||||
| 40 | class Reference | ||||||||
| 41 | { | ||||||||
| 42 | /** The <b>reference_type</b> body pointer. | ||||||||
| 43 | */ | ||||||||
| 44 | reference_type * m_pBody; | ||||||||
| 45 | |||||||||
| 46 | |||||||||
| 47 | public: | ||||||||
| 48 | /** Constructor... | ||||||||
| 49 | */ | ||||||||
| 50 | Reference() | ||||||||
| 51 | : m_pBody (NULL__null) | ||||||||
| 52 | {} | ||||||||
| 53 | |||||||||
| 54 | |||||||||
| 55 | /** Constructor... | ||||||||
| 56 | */ | ||||||||
| 57 | Reference (reference_type * pBody, __sal_NoAcquire) | ||||||||
| 58 | : m_pBody (pBody) | ||||||||
| 59 | { | ||||||||
| 60 | } | ||||||||
| 61 | |||||||||
| 62 | /** Constructor... | ||||||||
| 63 | */ | ||||||||
| 64 | Reference (reference_type * pBody) | ||||||||
| 65 | : m_pBody (pBody) | ||||||||
| 66 | { | ||||||||
| 67 | if (m_pBody) | ||||||||
| 68 | m_pBody->acquire(); | ||||||||
| 69 | } | ||||||||
| 70 | |||||||||
| 71 | /** Copy constructor... | ||||||||
| 72 | */ | ||||||||
| 73 | Reference (const Reference<reference_type> & handle) | ||||||||
| 74 | : m_pBody (handle.m_pBody) | ||||||||
| 75 | { | ||||||||
| 76 | if (m_pBody) | ||||||||
| 77 | m_pBody->acquire(); | ||||||||
| 78 | } | ||||||||
| 79 | |||||||||
| 80 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
| 81 | /** Move constructor... | ||||||||
| 82 | */ | ||||||||
| 83 | Reference (Reference<reference_type> && handle) noexcept | ||||||||
| 84 | : m_pBody (handle.m_pBody) | ||||||||
| 85 | { | ||||||||
| 86 | handle.m_pBody = nullptr; | ||||||||
| 87 | } | ||||||||
| 88 | #endif | ||||||||
| 89 | |||||||||
| 90 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
| 91 | /** Up-casting conversion constructor: Copies interface reference. | ||||||||
| 92 | |||||||||
| 93 | Does not work for up-casts to ambiguous bases. | ||||||||
| 94 | |||||||||
| 95 | @param rRef another reference | ||||||||
| 96 | */ | ||||||||
| 97 | template< class derived_type > | ||||||||
| 98 | inline Reference( | ||||||||
| 99 | const Reference< derived_type > & rRef, | ||||||||
| 100 | std::enable_if_t<std::is_base_of_v<reference_type, derived_type>, int> = 0 ) | ||||||||
| 101 | : m_pBody (rRef.get()) | ||||||||
| 102 | { | ||||||||
| 103 | if (m_pBody) | ||||||||
| 104 | m_pBody->acquire(); | ||||||||
| 105 | } | ||||||||
| 106 | #endif | ||||||||
| 107 | |||||||||
| 108 | /** Destructor... | ||||||||
| 109 | */ | ||||||||
| 110 | ~Reference() COVERITY_NOEXCEPT_FALSE | ||||||||
| 111 | { | ||||||||
| 112 | if (m_pBody
| ||||||||
| 113 | m_pBody->release(); | ||||||||
| 114 | } | ||||||||
| 115 | |||||||||
| 116 | /** Set... | ||||||||
| 117 | Similar to assignment. | ||||||||
| 118 | */ | ||||||||
| 119 | Reference<reference_type> & | ||||||||
| 120 | SAL_CALL set (reference_type * pBody) | ||||||||
| 121 | { | ||||||||
| 122 | if (pBody) | ||||||||
| 123 | pBody->acquire(); | ||||||||
| 124 | reference_type * const pOld = m_pBody; | ||||||||
| 125 | m_pBody = pBody; | ||||||||
| 126 | if (pOld) | ||||||||
| 127 | pOld->release(); | ||||||||
| 128 | return *this; | ||||||||
| 129 | } | ||||||||
| 130 | |||||||||
| 131 | /** Assignment. | ||||||||
| 132 | Unbinds this instance from its body (if bound) and | ||||||||
| 133 | bind it to the body represented by the handle. | ||||||||
| 134 | */ | ||||||||
| 135 | Reference<reference_type> & | ||||||||
| 136 | SAL_CALL operator= (const Reference<reference_type> & handle) | ||||||||
| 137 | { | ||||||||
| 138 | return set( handle.m_pBody ); | ||||||||
| 139 | } | ||||||||
| 140 | |||||||||
| 141 | #ifdef LIBO_INTERNAL_ONLY1 | ||||||||
| 142 | /** Assignment. | ||||||||
| 143 | * Unbinds this instance from its body (if bound), | ||||||||
| 144 | * bind it to the body represented by the handle, and | ||||||||
| 145 | * set the body represented by the handle to nullptr. | ||||||||
| 146 | */ | ||||||||
| 147 | Reference<reference_type> & | ||||||||
| 148 | operator= (Reference<reference_type> && handle) | ||||||||
| 149 | { | ||||||||
| 150 | // self-movement guts ourself | ||||||||
| 151 | if (m_pBody) | ||||||||
| 152 | m_pBody->release(); | ||||||||
| 153 | m_pBody = handle.m_pBody; | ||||||||
| 154 | handle.m_pBody = nullptr; | ||||||||
| 155 | return *this; | ||||||||
| 156 | } | ||||||||
| 157 | #endif | ||||||||
| 158 | |||||||||
| 159 | /** Assignment... | ||||||||
| 160 | */ | ||||||||
| 161 | Reference<reference_type> & | ||||||||
| 162 | SAL_CALL operator= (reference_type * pBody) | ||||||||
| 163 | { | ||||||||
| 164 | return set( pBody ); | ||||||||
| 165 | } | ||||||||
| 166 | |||||||||
| 167 | /** Unbind the body from this handle. | ||||||||
| 168 | Note that for a handle representing a large body, | ||||||||
| 169 | "handle.clear().set(new body());" _might_ | ||||||||
| 170 | perform a little bit better than "handle.set(new body());", | ||||||||
| 171 | since in the second case two large objects exist in memory | ||||||||
| 172 | (the old body and the new body). | ||||||||
| 173 | */ | ||||||||
| 174 | Reference<reference_type> & SAL_CALL clear() | ||||||||
| 175 | { | ||||||||
| 176 | if (m_pBody) | ||||||||
| 177 | { | ||||||||
| 178 | reference_type * const pOld = m_pBody; | ||||||||
| 179 | m_pBody = NULL__null; | ||||||||
| 180 | pOld->release(); | ||||||||
| 181 | } | ||||||||
| 182 | return *this; | ||||||||
| 183 | } | ||||||||
| 184 | |||||||||
| 185 | |||||||||
| 186 | /** Get the body. Can be used instead of operator->(). | ||||||||
| 187 | I.e. handle->someBodyOp() and handle.get()->someBodyOp() | ||||||||
| 188 | are the same. | ||||||||
| 189 | */ | ||||||||
| 190 | reference_type * SAL_CALL get() const | ||||||||
| 191 | { | ||||||||
| 192 | return m_pBody; | ||||||||
| |||||||||
| 193 | } | ||||||||
| 194 | |||||||||
| 195 | |||||||||
| 196 | /** Probably most common used: handle->someBodyOp(). | ||||||||
| 197 | */ | ||||||||
| 198 | reference_type * SAL_CALL operator->() const | ||||||||
| 199 | { | ||||||||
| 200 | assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail ("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx" , 200, __extension__ __PRETTY_FUNCTION__)); | ||||||||
| 201 | return m_pBody; | ||||||||
| 202 | } | ||||||||
| 203 | |||||||||
| 204 | |||||||||
| 205 | /** Allows (*handle).someBodyOp(). | ||||||||
| 206 | */ | ||||||||
| 207 | reference_type & SAL_CALL operator*() const | ||||||||
| 208 | { | ||||||||
| 209 | assert(m_pBody != NULL)(static_cast <bool> (m_pBody != __null) ? void (0) : __assert_fail ("m_pBody != NULL", "/home/maarten/src/libreoffice/core/include/rtl/ref.hxx" , 209, __extension__ __PRETTY_FUNCTION__)); | ||||||||
| 210 | return *m_pBody; | ||||||||
| 211 | } | ||||||||
| 212 | |||||||||
| 213 | |||||||||
| 214 | /** Returns True if the handle does point to a valid body. | ||||||||
| 215 | */ | ||||||||
| 216 | bool SAL_CALL is() const | ||||||||
| 217 | { | ||||||||
| 218 | return (m_pBody != NULL__null); | ||||||||
| 219 | } | ||||||||
| 220 | |||||||||
| 221 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
| 222 | /** Returns True if the handle does point to a valid body. | ||||||||
| 223 | */ | ||||||||
| 224 | explicit operator bool() const | ||||||||
| 225 | { | ||||||||
| 226 | return is(); | ||||||||
| 227 | } | ||||||||
| 228 | #endif | ||||||||
| 229 | |||||||||
| 230 | /** Returns True if this points to pBody. | ||||||||
| 231 | */ | ||||||||
| 232 | bool SAL_CALL operator== (const reference_type * pBody) const | ||||||||
| 233 | { | ||||||||
| 234 | return (m_pBody == pBody); | ||||||||
| 235 | } | ||||||||
| 236 | |||||||||
| 237 | |||||||||
| 238 | /** Returns True if handle points to the same body. | ||||||||
| 239 | */ | ||||||||
| 240 | bool | ||||||||
| 241 | SAL_CALL operator== (const Reference<reference_type> & handle) const | ||||||||
| 242 | { | ||||||||
| 243 | return (m_pBody == handle.m_pBody); | ||||||||
| 244 | } | ||||||||
| 245 | |||||||||
| 246 | |||||||||
| 247 | /** Needed to place References into STL collection. | ||||||||
| 248 | */ | ||||||||
| 249 | bool | ||||||||
| 250 | SAL_CALL operator!= (const Reference<reference_type> & handle) const | ||||||||
| 251 | { | ||||||||
| 252 | return (m_pBody != handle.m_pBody); | ||||||||
| 253 | } | ||||||||
| 254 | |||||||||
| 255 | |||||||||
| 256 | /** Needed to place References into STL collection. | ||||||||
| 257 | */ | ||||||||
| 258 | bool | ||||||||
| 259 | SAL_CALL operator< (const Reference<reference_type> & handle) const | ||||||||
| 260 | { | ||||||||
| 261 | return (m_pBody < handle.m_pBody); | ||||||||
| 262 | } | ||||||||
| 263 | |||||||||
| 264 | |||||||||
| 265 | /** Needed to place References into STL collection. | ||||||||
| 266 | */ | ||||||||
| 267 | bool | ||||||||
| 268 | SAL_CALL operator> (const Reference<reference_type> & handle) const | ||||||||
| 269 | { | ||||||||
| 270 | return (m_pBody > handle.m_pBody); | ||||||||
| 271 | } | ||||||||
| 272 | }; | ||||||||
| 273 | |||||||||
| 274 | } // namespace rtl | ||||||||
| 275 | |||||||||
| 276 | #if defined LIBO_INTERNAL_ONLY1 | ||||||||
| 277 | namespace std | ||||||||
| 278 | { | ||||||||
| 279 | |||||||||
| 280 | /// @cond INTERNAL | ||||||||
| 281 | /** | ||||||||
| 282 | Make rtl::Reference hashable by default for use in STL containers. | ||||||||
| 283 | |||||||||
| 284 | @since LibreOffice 6.3 | ||||||||
| 285 | */ | ||||||||
| 286 | template<typename T> | ||||||||
| 287 | struct hash<::rtl::Reference<T>> | ||||||||
| 288 | { | ||||||||
| 289 | std::size_t operator()(::rtl::Reference<T> const & s) const | ||||||||
| 290 | { return std::size_t(s.get()); } | ||||||||
| 291 | }; | ||||||||
| 292 | /// @endcond | ||||||||
| 293 | |||||||||
| 294 | } | ||||||||
| 295 | |||||||||
| 296 | #endif | ||||||||
| 297 | |||||||||
| 298 | #endif /* ! INCLUDED_RTL_REF_HXX */ | ||||||||
| 299 | |||||||||
| 300 | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |
| 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 | #ifndef INCLUDED_VCL_Reference_HXX |
| 20 | #define INCLUDED_VCL_Reference_HXX |
| 21 | |
| 22 | #include <vcl/dllapi.h> |
| 23 | #include <osl/interlck.h> |
| 24 | |
| 25 | class VCL_DLLPUBLIC__attribute__ ((visibility("default"))) VclReferenceBase |
| 26 | { |
| 27 | mutable oslInterlockedCount mnRefCnt; |
| 28 | |
| 29 | template<typename T> friend class VclPtr; |
| 30 | |
| 31 | public: |
| 32 | void acquire() const |
| 33 | { |
| 34 | osl_atomic_increment(&mnRefCnt)__sync_add_and_fetch((&mnRefCnt), 1); |
| 35 | } |
| 36 | |
| 37 | void release() const |
| 38 | { |
| 39 | if (osl_atomic_decrement(&mnRefCnt)__sync_sub_and_fetch((&mnRefCnt), 1) == 0) |
| 40 | delete this; |
| 41 | } |
| 42 | #ifdef DBG_UTIL |
| 43 | #ifndef _WIN32 |
| 44 | sal_Int32 getRefCount() const { return mnRefCnt; } |
| 45 | #endif |
| 46 | #endif |
| 47 | |
| 48 | |
| 49 | private: |
| 50 | VclReferenceBase(const VclReferenceBase&) = delete; |
| 51 | VclReferenceBase& operator=(const VclReferenceBase&) = delete; |
| 52 | |
| 53 | bool mbDisposed : 1; |
| 54 | |
| 55 | protected: |
| 56 | VclReferenceBase(); |
| 57 | protected: |
| 58 | virtual ~VclReferenceBase(); |
| 59 | |
| 60 | protected: |
| 61 | virtual void dispose(); |
| 62 | |
| 63 | public: |
| 64 | void disposeOnce(); |
| 65 | bool isDisposed() const { return mbDisposed; } |
| 66 | |
| 67 | }; |
| 68 | #endif |