| 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 | |||||||||
| 21 | #include <tools/solar.h> | ||||||||
| 22 | #include <vcl/svapp.hxx> | ||||||||
| 23 | #include <vcl/gdimtf.hxx> | ||||||||
| 24 | #include <vcl/graph.hxx> | ||||||||
| 25 | #include <vcl/metaact.hxx> | ||||||||
| 26 | #include <vcl/virdev.hxx> | ||||||||
| 27 | #include <vcl/cvtgrf.hxx> | ||||||||
| 28 | #include <vcl/BitmapTools.hxx> | ||||||||
| 29 | #include <unotools/configmgr.hxx> | ||||||||
| 30 | #include <unotools/tempfile.hxx> | ||||||||
| 31 | #include <osl/process.h> | ||||||||
| 32 | #include <osl/file.hxx> | ||||||||
| 33 | #include <osl/thread.h> | ||||||||
| 34 | #include <rtl/byteseq.hxx> | ||||||||
| 35 | #include <sal/log.hxx> | ||||||||
| 36 | #include <o3tl/char16_t2wchar_t.hxx> | ||||||||
| 37 | #include <o3tl/safeint.hxx> | ||||||||
| 38 | #include <memory> | ||||||||
| 39 | #include <string_view> | ||||||||
| 40 | |||||||||
| 41 | class FilterConfigItem; | ||||||||
| 42 | |||||||||
| 43 | /************************************************************************* | ||||||||
| 44 | |* | ||||||||
| 45 | |* ImpSearchEntry() | ||||||||
| 46 | |* | ||||||||
| 47 | |* Description Checks if there is a string(pDest) of length nSize | ||||||||
| 48 | |* inside the memory area pSource which is nComp bytes long. | ||||||||
| 49 | |* Check is NON-CASE-SENSITIVE. The return value is the | ||||||||
| 50 | |* address where the string is found or NULL | ||||||||
| 51 | |* | ||||||||
| 52 | *************************************************************************/ | ||||||||
| 53 | |||||||||
| 54 | static sal_uInt8* ImplSearchEntry( sal_uInt8* pSource, sal_uInt8 const * pDest, size_t nComp, size_t nSize ) | ||||||||
| 55 | { | ||||||||
| 56 | while ( nComp-- >= nSize ) | ||||||||
| 57 | { | ||||||||
| 58 | size_t i; | ||||||||
| 59 | for ( i = 0; i < nSize; i++ ) | ||||||||
| 60 | { | ||||||||
| 61 | if ( ( pSource[i]&~0x20 ) != ( pDest[i]&~0x20 ) ) | ||||||||
| 62 | break; | ||||||||
| 63 | } | ||||||||
| 64 | if ( i == nSize ) | ||||||||
| 65 | return pSource; | ||||||||
| 66 | pSource++; | ||||||||
| 67 | } | ||||||||
| 68 | return nullptr; | ||||||||
| 69 | } | ||||||||
| 70 | |||||||||
| 71 | |||||||||
| 72 | // SecurityCount is the buffersize of the buffer in which we will parse for a number | ||||||||
| 73 | static long ImplGetNumber(sal_uInt8* &rBuf, sal_uInt32& nSecurityCount) | ||||||||
| 74 | { | ||||||||
| 75 | bool bValid = true; | ||||||||
| 76 | bool bNegative = false; | ||||||||
| 77 | long nRetValue = 0; | ||||||||
| 78 | while (nSecurityCount && (*rBuf == ' ' || *rBuf == 0x9)) | ||||||||
| 79 | { | ||||||||
| 80 | ++rBuf; | ||||||||
| 81 | --nSecurityCount; | ||||||||
| 82 | } | ||||||||
| 83 | while ( nSecurityCount && ( *rBuf != ' ' ) && ( *rBuf != 0x9 ) && ( *rBuf != 0xd ) && ( *rBuf != 0xa ) ) | ||||||||
| 84 | { | ||||||||
| 85 | switch ( *rBuf ) | ||||||||
| 86 | { | ||||||||
| 87 | case '.' : | ||||||||
| 88 | // we'll only use the integer format | ||||||||
| 89 | bValid = false; | ||||||||
| 90 | break; | ||||||||
| 91 | case '-' : | ||||||||
| 92 | bNegative = true; | ||||||||
| 93 | break; | ||||||||
| 94 | default : | ||||||||
| 95 | if ( ( *rBuf < '0' ) || ( *rBuf > '9' ) ) | ||||||||
| 96 | nSecurityCount = 1; // error parsing the bounding box values | ||||||||
| 97 | else if ( bValid ) | ||||||||
| 98 | { | ||||||||
| 99 | const bool bFail = o3tl::checked_multiply<long>(nRetValue, 10, nRetValue) || | ||||||||
| 100 | o3tl::checked_add<long>(nRetValue, *rBuf - '0', nRetValue); | ||||||||
| 101 | if (bFail) | ||||||||
| 102 | return 0; | ||||||||
| 103 | } | ||||||||
| 104 | break; | ||||||||
| 105 | } | ||||||||
| 106 | nSecurityCount--; | ||||||||
| 107 | ++rBuf; | ||||||||
| 108 | } | ||||||||
| 109 | if ( bNegative ) | ||||||||
| 110 | nRetValue = -nRetValue; | ||||||||
| 111 | return nRetValue; | ||||||||
| 112 | } | ||||||||
| 113 | |||||||||
| 114 | |||||||||
| 115 | static int ImplGetLen( sal_uInt8* pBuf, int nMax ) | ||||||||
| 116 | { | ||||||||
| 117 | int nLen = 0; | ||||||||
| 118 | while( nLen != nMax ) | ||||||||
| 119 | { | ||||||||
| 120 | sal_uInt8 nDat = *pBuf++; | ||||||||
| 121 | if ( nDat == 0x0a || nDat == 0x25 ) | ||||||||
| 122 | break; | ||||||||
| 123 | nLen++; | ||||||||
| 124 | } | ||||||||
| 125 | return nLen; | ||||||||
| 126 | } | ||||||||
| 127 | |||||||||
| 128 | static void MakeAsMeta(Graphic &rGraphic) | ||||||||
| 129 | { | ||||||||
| 130 | ScopedVclPtrInstance< VirtualDevice > pVDev; | ||||||||
| 131 | GDIMetaFile aMtf; | ||||||||
| 132 | Size aSize = rGraphic.GetPrefSize(); | ||||||||
| 133 | |||||||||
| 134 | if( !aSize.Width() || !aSize.Height() ) | ||||||||
| 135 | aSize = Application::GetDefaultDevice()->PixelToLogic( | ||||||||
| 136 | rGraphic.GetSizePixel(), MapMode(MapUnit::Map100thMM)); | ||||||||
| 137 | else | ||||||||
| 138 | aSize = OutputDevice::LogicToLogic( aSize, | ||||||||
| 139 | rGraphic.GetPrefMapMode(), MapMode(MapUnit::Map100thMM)); | ||||||||
| 140 | |||||||||
| 141 | pVDev->EnableOutput( false ); | ||||||||
| 142 | aMtf.Record( pVDev ); | ||||||||
| 143 | pVDev->DrawBitmapEx( Point(), aSize, rGraphic.GetBitmapEx() ); | ||||||||
| 144 | aMtf.Stop(); | ||||||||
| 145 | aMtf.WindStart(); | ||||||||
| 146 | aMtf.SetPrefMapMode(MapMode(MapUnit::Map100thMM)); | ||||||||
| 147 | aMtf.SetPrefSize( aSize ); | ||||||||
| 148 | rGraphic = aMtf; | ||||||||
| 149 | } | ||||||||
| 150 | |||||||||
| 151 | static oslProcessError runProcessWithPathSearch(const OUString &rProgName, | ||||||||
| 152 | rtl_uString* pArgs[], sal_uInt32 nArgs, oslProcess *pProcess, | ||||||||
| 153 | oslFileHandle *pIn, oslFileHandle *pOut, oslFileHandle *pErr) | ||||||||
| 154 | { | ||||||||
| 155 | oslProcessError result = osl_Process_E_None; | ||||||||
| 156 | oslSecurity pSecurity = osl_getCurrentSecurity(); | ||||||||
| 157 | #ifdef _WIN32 | ||||||||
| 158 | /* | ||||||||
| 159 | * ooo#72096 | ||||||||
| 160 | * On Window the underlying SearchPath searches in order of... | ||||||||
| 161 | * The directory from which the application loaded. | ||||||||
| 162 | * The current directory. | ||||||||
| 163 | * The Windows system directory. | ||||||||
| 164 | * The Windows directory. | ||||||||
| 165 | * The directories that are listed in the PATH environment variable. | ||||||||
| 166 | * | ||||||||
| 167 | * Because one of our programs is called "convert" and there is a convert | ||||||||
| 168 | * in the windows system directory, we want to explicitly search the PATH | ||||||||
| 169 | * to avoid picking up on that one if ImageMagick's convert precedes it in | ||||||||
| 170 | * PATH. | ||||||||
| 171 | * | ||||||||
| 172 | */ | ||||||||
| 173 | OUString url; | ||||||||
| 174 | OUString path(o3tl::toU(_wgetenv(L"PATH"))); | ||||||||
| 175 | |||||||||
| 176 | oslFileError err = osl_searchFileURL(rProgName.pData, path.pData, &url.pData); | ||||||||
| 177 | if (err != osl_File_E_None) | ||||||||
| 178 | result = osl_Process_E_NotFound; | ||||||||
| 179 | else | ||||||||
| 180 | result = osl_executeProcess_WithRedirectedIO(url.pData, | ||||||||
| 181 | pArgs, nArgs, osl_Process_HIDDEN0x0010, | ||||||||
| 182 | pSecurity, nullptr, nullptr, 0, pProcess, pIn, pOut, pErr); | ||||||||
| 183 | #else | ||||||||
| 184 | result = osl_executeProcess_WithRedirectedIO(rProgName.pData, | ||||||||
| 185 | pArgs, nArgs, osl_Process_SEARCHPATH0x0002 | osl_Process_HIDDEN0x0010, | ||||||||
| 186 | pSecurity, nullptr, nullptr, 0, pProcess, pIn, pOut, pErr); | ||||||||
| 187 | #endif | ||||||||
| 188 | osl_freeSecurityHandle( pSecurity ); | ||||||||
| 189 | return result; | ||||||||
| 190 | } | ||||||||
| 191 | |||||||||
| 192 | #if defined(_WIN32) | ||||||||
| 193 | # define EXESUFFIX"" ".exe" | ||||||||
| 194 | #else | ||||||||
| 195 | # define EXESUFFIX"" "" | ||||||||
| 196 | #endif | ||||||||
| 197 | |||||||||
| 198 | static bool RenderAsEMF(const sal_uInt8* pBuf, sal_uInt32 nBytesRead, Graphic &rGraphic) | ||||||||
| 199 | { | ||||||||
| 200 | utl::TempFile aTempOutput; | ||||||||
| 201 | utl::TempFile aTempInput; | ||||||||
| 202 | aTempOutput.EnableKillingFile(); | ||||||||
| 203 | aTempInput.EnableKillingFile(); | ||||||||
| 204 | OUString output; | ||||||||
| 205 | osl::FileBase::getSystemPathFromFileURL(aTempOutput.GetURL(), output); | ||||||||
| 206 | OUString input; | ||||||||
| 207 | osl::FileBase::getSystemPathFromFileURL(aTempInput.GetURL(), input); | ||||||||
| 208 | |||||||||
| 209 | SvStream* pInputStream = aTempInput.GetStream(StreamMode::WRITE); | ||||||||
| 210 | sal_uInt64 nCount = pInputStream->WriteBytes(pBuf, nBytesRead); | ||||||||
| 211 | aTempInput.CloseStream(); | ||||||||
| 212 | |||||||||
| 213 | //fdo#64161 pstoedit under non-windows uses libEMF to output the EMF, but | ||||||||
| 214 | //libEMF cannot calculate the bounding box of text, so the overall bounding | ||||||||
| 215 | //box is not increased to include that of any text in the eps | ||||||||
| 216 | // | ||||||||
| 217 | //-drawbb will force pstoedit to draw a pair of pixels with the bg color to | ||||||||
| 218 | //the topleft and bottom right of the bounding box as pstoedit sees it, | ||||||||
| 219 | //which libEMF will then extend its bounding box to fit | ||||||||
| 220 | // | ||||||||
| 221 | //-usebbfrominput forces pstoedit to take the original ps bounding box | ||||||||
| 222 | //as the bounding box as it sees it, instead of calculating its own | ||||||||
| 223 | //which also doesn't work for this example | ||||||||
| 224 | // | ||||||||
| 225 | //Under Linux, positioning of letters within pstoedit is very approximate. | ||||||||
| 226 | //Using the -nfw option delegates the positioning to the reader, and we | ||||||||
| 227 | //will do a proper job. The option is ignored on Windows. | ||||||||
| 228 | OUString arg1("-usebbfrominput"); //-usebbfrominput use the original ps bounding box | ||||||||
| 229 | OUString arg2("-f"); | ||||||||
| 230 | OUString arg3("emf:-OO -drawbb -nfw"); //-drawbb mark out the bounding box extent with bg pixels | ||||||||
| 231 | //-nfw delegate letter placement to us | ||||||||
| 232 | rtl_uString *args[] = | ||||||||
| 233 | { | ||||||||
| 234 | arg1.pData, arg2.pData, arg3.pData, input.pData, output.pData | ||||||||
| 235 | }; | ||||||||
| 236 | oslProcess aProcess; | ||||||||
| 237 | oslFileHandle pIn = nullptr; | ||||||||
| 238 | oslFileHandle pOut = nullptr; | ||||||||
| 239 | oslFileHandle pErr = nullptr; | ||||||||
| 240 | oslProcessError eErr = runProcessWithPathSearch( | ||||||||
| 241 | "pstoedit" EXESUFFIX"", | ||||||||
| 242 | args, SAL_N_ELEMENTS(args)(sizeof(sal_n_array_size(args))), | ||||||||
| 243 | &aProcess, &pIn, &pOut, &pErr); | ||||||||
| 244 | |||||||||
| 245 | if (eErr!=osl_Process_E_None) | ||||||||
| 246 | return false; | ||||||||
| 247 | |||||||||
| 248 | bool bRet = false; | ||||||||
| 249 | if (pIn) osl_closeFile(pIn); | ||||||||
| 250 | osl_joinProcess(aProcess); | ||||||||
| 251 | osl_freeProcessHandle(aProcess); | ||||||||
| 252 | bool bEMFSupported=true; | ||||||||
| 253 | if (pOut) | ||||||||
| 254 | { | ||||||||
| 255 | rtl::ByteSequence seq; | ||||||||
| 256 | if (osl_File_E_None == osl_readLine(pOut, reinterpret_cast<sal_Sequence **>(&seq))) | ||||||||
| 257 | { | ||||||||
| 258 | OString line( reinterpret_cast<const char *>(seq.getConstArray()), seq.getLength() ); | ||||||||
| 259 | if (line.startsWith("Unsupported output format")) | ||||||||
| 260 | bEMFSupported=false; | ||||||||
| 261 | } | ||||||||
| 262 | osl_closeFile(pOut); | ||||||||
| 263 | } | ||||||||
| 264 | if (pErr) osl_closeFile(pErr); | ||||||||
| 265 | if (nCount == nBytesRead && bEMFSupported) | ||||||||
| 266 | { | ||||||||
| 267 | SvFileStream aFile(output, StreamMode::READ); | ||||||||
| 268 | if (GraphicConverter::Import(aFile, rGraphic, ConvertDataFormat::EMF) == ERRCODE_NONEErrCode(0)) | ||||||||
| 269 | bRet = true; | ||||||||
| 270 | } | ||||||||
| 271 | |||||||||
| 272 | return bRet; | ||||||||
| 273 | } | ||||||||
| 274 | |||||||||
| 275 | namespace { | ||||||||
| 276 | |||||||||
| 277 | struct WriteData | ||||||||
| 278 | { | ||||||||
| 279 | oslFileHandle m_pFile; | ||||||||
| 280 | const sal_uInt8 *m_pBuf; | ||||||||
| 281 | sal_uInt32 m_nBytesToWrite; | ||||||||
| 282 | }; | ||||||||
| 283 | |||||||||
| 284 | } | ||||||||
| 285 | |||||||||
| 286 | extern "C" { | ||||||||
| 287 | |||||||||
| 288 | static void WriteFileInThread(void *wData) | ||||||||
| 289 | { | ||||||||
| 290 | sal_uInt64 nCount; | ||||||||
| 291 | WriteData *wdata = static_cast<WriteData *>(wData); | ||||||||
| 292 | osl_writeFile(wdata->m_pFile, wdata->m_pBuf, wdata->m_nBytesToWrite, &nCount); | ||||||||
| 293 | // The number of bytes written does not matter. | ||||||||
| 294 | // The helper process may close its input stream before reading it all. | ||||||||
| 295 | // (e.g. at "showpage" in EPS) | ||||||||
| 296 | |||||||||
| 297 | // File must be closed here. | ||||||||
| 298 | // Otherwise, the helper process may wait for the next input, | ||||||||
| 299 | // then its stdout is not closed and osl_readFile() blocks. | ||||||||
| 300 | if (wdata->m_pFile) osl_closeFile(wdata->m_pFile); | ||||||||
| 301 | } | ||||||||
| 302 | |||||||||
| 303 | } | ||||||||
| 304 | |||||||||
| 305 | static bool RenderAsBMPThroughHelper(const sal_uInt8* pBuf, sal_uInt32 nBytesRead, | ||||||||
| 306 | Graphic& rGraphic, | ||||||||
| 307 | std::initializer_list<std::u16string_view> aProgNames, | ||||||||
| 308 | rtl_uString* pArgs[], size_t nArgs) | ||||||||
| 309 | { | ||||||||
| 310 | oslProcess aProcess = nullptr; | ||||||||
| 311 | oslFileHandle pIn = nullptr; | ||||||||
| 312 | oslFileHandle pOut = nullptr; | ||||||||
| 313 | oslFileHandle pErr = nullptr; | ||||||||
| 314 | oslProcessError eErr = osl_Process_E_Unknown; | ||||||||
| 315 | for (const auto& rProgName : aProgNames) | ||||||||
| 316 | { | ||||||||
| 317 | eErr = runProcessWithPathSearch(rProgName, pArgs, nArgs, &aProcess, &pIn, &pOut, &pErr); | ||||||||
| 318 | if (eErr == osl_Process_E_None) | ||||||||
| 319 | break; | ||||||||
| 320 | } | ||||||||
| 321 | if (eErr!=osl_Process_E_None) | ||||||||
| 322 | return false; | ||||||||
| 323 | |||||||||
| 324 | WriteData Data; | ||||||||
| 325 | Data.m_pFile = pIn; | ||||||||
| 326 | Data.m_pBuf = pBuf; | ||||||||
| 327 | Data.m_nBytesToWrite = nBytesRead; | ||||||||
| 328 | oslThread hThread = osl_createThread(WriteFileInThread, &Data); | ||||||||
| 329 | |||||||||
| 330 | bool bRet = false; | ||||||||
| 331 | sal_uInt64 nCount; | ||||||||
| 332 | { | ||||||||
| 333 | SvMemoryStream aMemStm; | ||||||||
| 334 | sal_uInt8 aBuf[32000]; | ||||||||
| 335 | oslFileError eFileErr = osl_readFile(pOut, aBuf, 32000, &nCount); | ||||||||
| 336 | while (eFileErr == osl_File_E_None && nCount) | ||||||||
| 337 | { | ||||||||
| 338 | aMemStm.WriteBytes(aBuf, sal::static_int_cast<std::size_t>(nCount)); | ||||||||
| 339 | eFileErr = osl_readFile(pOut, aBuf, 32000, &nCount); | ||||||||
| 340 | } | ||||||||
| 341 | |||||||||
| 342 | aMemStm.Seek(0); | ||||||||
| 343 | if ( | ||||||||
| 344 | aMemStm.GetEndOfData() && | ||||||||
| 345 | GraphicConverter::Import(aMemStm, rGraphic, ConvertDataFormat::BMP) == ERRCODE_NONEErrCode(0) | ||||||||
| 346 | ) | ||||||||
| 347 | { | ||||||||
| 348 | MakeAsMeta(rGraphic); | ||||||||
| 349 | bRet = true; | ||||||||
| 350 | } | ||||||||
| 351 | } | ||||||||
| 352 | if (pOut) osl_closeFile(pOut); | ||||||||
| 353 | if (pErr) osl_closeFile(pErr); | ||||||||
| 354 | osl_joinProcess(aProcess); | ||||||||
| 355 | osl_freeProcessHandle(aProcess); | ||||||||
| 356 | osl_joinWithThread(hThread); | ||||||||
| 357 | osl_destroyThread(hThread); | ||||||||
| 358 | return bRet; | ||||||||
| 359 | } | ||||||||
| 360 | |||||||||
| 361 | static bool RenderAsBMPThroughConvert(const sal_uInt8* pBuf, sal_uInt32 nBytesRead, | ||||||||
| 362 | Graphic &rGraphic) | ||||||||
| 363 | { | ||||||||
| 364 | // density in pixel/inch | ||||||||
| 365 | OUString arg1("-density"); | ||||||||
| 366 | // since the preview is also used for PDF-Export & printing on non-PS-printers, | ||||||||
| 367 | // use some better quality - 300x300 should allow some resizing as well | ||||||||
| 368 | OUString arg2("300x300"); | ||||||||
| 369 | // read eps from STDIN | ||||||||
| 370 | OUString arg3("eps:-"); | ||||||||
| 371 | // write bmp to STDOUT | ||||||||
| 372 | OUString arg4("bmp:-"); | ||||||||
| 373 | rtl_uString *args[] = | ||||||||
| 374 | { | ||||||||
| 375 | arg1.pData, arg2.pData, arg3.pData, arg4.pData | ||||||||
| 376 | }; | ||||||||
| 377 | return RenderAsBMPThroughHelper(pBuf, nBytesRead, rGraphic, | ||||||||
| 378 | { u"convert" EXESUFFIX"" }, | ||||||||
| 379 | args, | ||||||||
| 380 | SAL_N_ELEMENTS(args)(sizeof(sal_n_array_size(args)))); | ||||||||
| 381 | } | ||||||||
| 382 | |||||||||
| 383 | static bool RenderAsBMPThroughGS(const sal_uInt8* pBuf, sal_uInt32 nBytesRead, | ||||||||
| 384 | Graphic &rGraphic) | ||||||||
| 385 | { | ||||||||
| 386 | OUString arg1("-q"); | ||||||||
| 387 | OUString arg2("-dBATCH"); | ||||||||
| 388 | OUString arg3("-dNOPAUSE"); | ||||||||
| 389 | OUString arg4("-dPARANOIDSAFER"); | ||||||||
| 390 | OUString arg5("-dEPSCrop"); | ||||||||
| 391 | OUString arg6("-dTextAlphaBits=4"); | ||||||||
| 392 | OUString arg7("-dGraphicsAlphaBits=4"); | ||||||||
| 393 | OUString arg8("-r300x300"); | ||||||||
| 394 | OUString arg9("-sDEVICE=bmp16m"); | ||||||||
| 395 | OUString arg10("-sOutputFile=-"); | ||||||||
| 396 | OUString arg11("-"); | ||||||||
| 397 | rtl_uString *args[] = | ||||||||
| 398 | { | ||||||||
| 399 | arg1.pData, arg2.pData, arg3.pData, arg4.pData, arg5.pData, | ||||||||
| 400 | arg6.pData, arg7.pData, arg8.pData, arg9.pData, arg10.pData, | ||||||||
| 401 | arg11.pData | ||||||||
| 402 | }; | ||||||||
| 403 | return RenderAsBMPThroughHelper(pBuf, nBytesRead, rGraphic, | ||||||||
| 404 | #ifdef _WIN32 | ||||||||
| 405 | // Try both 32-bit and 64-bit ghostscript executable name | ||||||||
| 406 | { | ||||||||
| 407 | u"gswin32c" EXESUFFIX"", | ||||||||
| 408 | u"gswin64c" EXESUFFIX"", | ||||||||
| 409 | }, | ||||||||
| 410 | #else | ||||||||
| 411 | { u"gs" EXESUFFIX"" }, | ||||||||
| 412 | #endif | ||||||||
| 413 | args, | ||||||||
| 414 | SAL_N_ELEMENTS(args)(sizeof(sal_n_array_size(args)))); | ||||||||
| 415 | } | ||||||||
| 416 | |||||||||
| 417 | static bool RenderAsBMP(const sal_uInt8* pBuf, sal_uInt32 nBytesRead, Graphic &rGraphic) | ||||||||
| 418 | { | ||||||||
| 419 | if (RenderAsBMPThroughGS(pBuf, nBytesRead, rGraphic)) | ||||||||
| 420 | return true; | ||||||||
| 421 | else | ||||||||
| 422 | return RenderAsBMPThroughConvert(pBuf, nBytesRead, rGraphic); | ||||||||
| 423 | } | ||||||||
| 424 | |||||||||
| 425 | // this method adds a replacement action containing the original wmf or tiff replacement, | ||||||||
| 426 | // so the original eps can be written when storing to ODF. | ||||||||
| 427 | static void CreateMtfReplacementAction( GDIMetaFile& rMtf, SvStream& rStrm, sal_uInt32 nOrigPos, sal_uInt32 nPSSize, | ||||||||
| 428 | sal_uInt32 nPosWMF, sal_uInt32 nSizeWMF, sal_uInt32 nPosTIFF, sal_uInt32 nSizeTIFF ) | ||||||||
| 429 | { | ||||||||
| 430 | OString aComment("EPSReplacementGraphic"); | ||||||||
| 431 | if ( nSizeWMF || nSizeTIFF ) | ||||||||
| 432 | { | ||||||||
| 433 | std::vector<sal_uInt8> aWMFBuf; | ||||||||
| 434 | if (nSizeWMF && checkSeek(rStrm, nOrigPos + nPosWMF) && rStrm.remainingSize() >= nSizeWMF) | ||||||||
| 435 | { | ||||||||
| 436 | aWMFBuf.resize(nSizeWMF); | ||||||||
| 437 | aWMFBuf.resize(rStrm.ReadBytes(aWMFBuf.data(), nSizeWMF)); | ||||||||
| 438 | } | ||||||||
| 439 | nSizeWMF = aWMFBuf.size(); | ||||||||
| 440 | |||||||||
| 441 | std::vector<sal_uInt8> aTIFFBuf; | ||||||||
| 442 | if (nSizeTIFF && checkSeek(rStrm, nOrigPos + nPosTIFF) && rStrm.remainingSize() >= nSizeTIFF) | ||||||||
| 443 | { | ||||||||
| 444 | aTIFFBuf.resize(nSizeTIFF); | ||||||||
| 445 | aTIFFBuf.resize(rStrm.ReadBytes(aTIFFBuf.data(), nSizeTIFF)); | ||||||||
| 446 | } | ||||||||
| 447 | nSizeTIFF = aTIFFBuf.size(); | ||||||||
| 448 | |||||||||
| 449 | SvMemoryStream aReplacement( nSizeWMF + nSizeTIFF + 28 ); | ||||||||
| 450 | sal_uInt32 const nMagic = 0xc6d3d0c5; | ||||||||
| 451 | sal_uInt32 nPPos = 28 + nSizeWMF + nSizeTIFF; | ||||||||
| 452 | sal_uInt32 nWPos = nSizeWMF ? 28 : 0; | ||||||||
| 453 | sal_uInt32 nTPos = nSizeTIFF ? 28 + nSizeWMF : 0; | ||||||||
| 454 | |||||||||
| 455 | aReplacement.WriteUInt32( nMagic ).WriteUInt32( nPPos ).WriteUInt32( nPSSize ) | ||||||||
| 456 | .WriteUInt32( nWPos ).WriteUInt32( nSizeWMF ) | ||||||||
| 457 | .WriteUInt32( nTPos ).WriteUInt32( nSizeTIFF ); | ||||||||
| 458 | |||||||||
| 459 | aReplacement.WriteBytes(aWMFBuf.data(), nSizeWMF); | ||||||||
| 460 | aReplacement.WriteBytes(aTIFFBuf.data(), nSizeTIFF); | ||||||||
| 461 | rMtf.AddAction( static_cast<MetaAction*>( new MetaCommentAction( aComment, 0, static_cast<const sal_uInt8*>(aReplacement.GetData()), aReplacement.Tell() ) ) ); | ||||||||
| 462 | } | ||||||||
| 463 | else | ||||||||
| 464 | rMtf.AddAction( static_cast<MetaAction*>( new MetaCommentAction( aComment, 0, nullptr, 0 ) ) ); | ||||||||
| 465 | } | ||||||||
| 466 | |||||||||
| 467 | //there is no preview -> make a red box | ||||||||
| 468 | static void MakePreview(sal_uInt8* pBuf, sal_uInt32 nBytesRead, | ||||||||
| 469 | long nWidth, long nHeight, Graphic &rGraphic) | ||||||||
| 470 | { | ||||||||
| 471 | GDIMetaFile aMtf; | ||||||||
| 472 | ScopedVclPtrInstance< VirtualDevice > pVDev; | ||||||||
| |||||||||
| 473 | vcl::Font aFont; | ||||||||
| 474 | |||||||||
| 475 | pVDev->EnableOutput( false ); | ||||||||
| 476 | aMtf.Record( pVDev ); | ||||||||
| 477 | pVDev->SetLineColor( COL_RED ); | ||||||||
| 478 | pVDev->SetFillColor(); | ||||||||
| 479 | |||||||||
| 480 | aFont.SetColor( COL_LIGHTRED ); | ||||||||
| 481 | |||||||||
| 482 | pVDev->Push( PushFlags::FONT ); | ||||||||
| 483 | pVDev->SetFont( aFont ); | ||||||||
| 484 | |||||||||
| 485 | tools::Rectangle aRect( Point( 1, 1 ), Size( nWidth - 2, nHeight - 2 ) ); | ||||||||
| 486 | pVDev->DrawRect( aRect ); | ||||||||
| 487 | |||||||||
| 488 | OUString aString; | ||||||||
| 489 | int nLen; | ||||||||
| 490 | sal_uInt8* pDest = ImplSearchEntry( pBuf, reinterpret_cast<sal_uInt8 const *>("%%Title:"), nBytesRead - 32, 8 ); | ||||||||
| 491 | sal_uInt32 nRemainingBytes = pDest ? (nBytesRead - (pDest - pBuf)) : 0; | ||||||||
| 492 | if (nRemainingBytes
| ||||||||
| 493 | { | ||||||||
| 494 | pDest += 8; | ||||||||
| 495 | nRemainingBytes -= 8; | ||||||||
| 496 | if (nRemainingBytes && *pDest == ' ') | ||||||||
| 497 | { | ||||||||
| 498 | ++pDest; | ||||||||
| 499 | --nRemainingBytes; | ||||||||
| 500 | } | ||||||||
| 501 | nLen = ImplGetLen(pDest, std::min<sal_uInt32>(nRemainingBytes, 32)); | ||||||||
| 502 | if (o3tl::make_unsigned(nLen) < nRemainingBytes) | ||||||||
| 503 | { | ||||||||
| 504 | sal_uInt8 aOldValue(pDest[ nLen ]); pDest[ nLen ] = 0; | ||||||||
| 505 | if ( strcmp( reinterpret_cast<char*>(pDest), "none" ) != 0 ) | ||||||||
| 506 | { | ||||||||
| 507 | const char* pStr = reinterpret_cast<char*>(pDest); | ||||||||
| 508 | aString += " Title:" + OUString(pStr, strlen(pStr), RTL_TEXTENCODING_ASCII_US(((rtl_TextEncoding) 11))) + "\n"; | ||||||||
| 509 | } | ||||||||
| 510 | pDest[ nLen ] = aOldValue; | ||||||||
| 511 | } | ||||||||
| 512 | } | ||||||||
| 513 | pDest = ImplSearchEntry( pBuf, reinterpret_cast<sal_uInt8 const *>("%%Creator:"), nBytesRead - 32, 10 ); | ||||||||
| 514 | nRemainingBytes = pDest ? (nBytesRead - (pDest - pBuf)) : 0; | ||||||||
| 515 | if (nRemainingBytes
| ||||||||
| 516 | { | ||||||||
| 517 | pDest += 10; | ||||||||
| 518 | nRemainingBytes -= 10; | ||||||||
| 519 | if (nRemainingBytes && *pDest == ' ') | ||||||||
| 520 | { | ||||||||
| 521 | ++pDest; | ||||||||
| 522 | --nRemainingBytes; | ||||||||
| 523 | } | ||||||||
| 524 | nLen = ImplGetLen(pDest, std::min<sal_uInt32>(nRemainingBytes, 32)); | ||||||||
| 525 | if (o3tl::make_unsigned(nLen) < nRemainingBytes) | ||||||||
| 526 | { | ||||||||
| 527 | sal_uInt8 aOldValue(pDest[nLen]); pDest[nLen] = 0; | ||||||||
| 528 | const char* pStr = reinterpret_cast<char*>(pDest); | ||||||||
| 529 | aString += " Creator:" + OUString(pStr, strlen(pStr), RTL_TEXTENCODING_ASCII_US(((rtl_TextEncoding) 11))) + "\n"; | ||||||||
| 530 | pDest[nLen] = aOldValue; | ||||||||
| 531 | } | ||||||||
| 532 | } | ||||||||
| 533 | pDest = ImplSearchEntry( pBuf, reinterpret_cast<sal_uInt8 const *>("%%CreationDate:"), nBytesRead - 32, 15 ); | ||||||||
| 534 | nRemainingBytes = pDest ? (nBytesRead - (pDest - pBuf)) : 0; | ||||||||
| 535 | if (nRemainingBytes
| ||||||||
| 536 | { | ||||||||
| 537 | pDest += 15; | ||||||||
| 538 | nRemainingBytes -= 15; | ||||||||
| 539 | if (nRemainingBytes && *pDest == ' ') | ||||||||
| 540 | { | ||||||||
| 541 | ++pDest; | ||||||||
| 542 | --nRemainingBytes; | ||||||||
| 543 | } | ||||||||
| 544 | nLen = ImplGetLen(pDest, std::min<sal_uInt32>(nRemainingBytes, 32)); | ||||||||
| 545 | if (o3tl::make_unsigned(nLen) < nRemainingBytes) | ||||||||
| 546 | { | ||||||||
| 547 | sal_uInt8 aOldValue(pDest[ nLen ]); pDest[ nLen ] = 0; | ||||||||
| 548 | if ( strcmp( reinterpret_cast<char*>(pDest), "none" ) != 0 ) | ||||||||
| 549 | { | ||||||||
| 550 | aString += " CreationDate:" + OUString::createFromAscii( reinterpret_cast<char*>(pDest) ) + "\n"; | ||||||||
| 551 | const char* pStr = reinterpret_cast<char*>(pDest); | ||||||||
| 552 | aString += " CreationDate:" + OUString(pStr, strlen(pStr), RTL_TEXTENCODING_ASCII_US(((rtl_TextEncoding) 11))) + "\n"; | ||||||||
| 553 | } | ||||||||
| 554 | pDest[ nLen ] = aOldValue; | ||||||||
| 555 | } | ||||||||
| 556 | } | ||||||||
| 557 | pDest = ImplSearchEntry( pBuf, reinterpret_cast<sal_uInt8 const *>("%%LanguageLevel:"), nBytesRead - 4, 16 ); | ||||||||
| 558 | nRemainingBytes = pDest ? (nBytesRead - (pDest - pBuf)) : 0; | ||||||||
| 559 | if (nRemainingBytes
| ||||||||
| 560 | { | ||||||||
| 561 | pDest += 16; | ||||||||
| 562 | nRemainingBytes -= 16; | ||||||||
| 563 | sal_uInt32 nCount = std::min<sal_uInt32>(nRemainingBytes, 4U); | ||||||||
| 564 | sal_uInt32 nNumber = ImplGetNumber(pDest, nCount); | ||||||||
| 565 | if (nCount && nNumber < 10) | ||||||||
| 566 | { | ||||||||
| 567 | aString += " LanguageLevel:" + OUString::number( nNumber ); | ||||||||
| 568 | } | ||||||||
| 569 | } | ||||||||
| 570 | pVDev->DrawText( aRect, aString, DrawTextFlags::Clip | DrawTextFlags::MultiLine ); | ||||||||
| 571 | pVDev->Pop(); | ||||||||
| 572 | aMtf.Stop(); | ||||||||
| 573 | aMtf.WindStart(); | ||||||||
| 574 | aMtf.SetPrefMapMode(MapMode(MapUnit::MapPoint)); | ||||||||
| 575 | aMtf.SetPrefSize( Size( nWidth, nHeight ) ); | ||||||||
| 576 | rGraphic = aMtf; | ||||||||
| 577 | } | ||||||||
| 578 | |||||||||
| 579 | //================== GraphicImport - the exported function ================ | ||||||||
| 580 | |||||||||
| 581 | |||||||||
| 582 | extern "C" SAL_DLLPUBLIC_EXPORT__attribute__ ((visibility("default"))) bool | ||||||||
| 583 | ipsGraphicImport( SvStream & rStream, Graphic & rGraphic, FilterConfigItem* ) | ||||||||
| 584 | { | ||||||||
| 585 | if ( rStream.GetError() ) | ||||||||
| 586 | return false; | ||||||||
| 587 | |||||||||
| 588 | Graphic aGraphic; | ||||||||
| 589 | bool bRetValue = false; | ||||||||
| 590 | bool bHasPreview = false; | ||||||||
| 591 | sal_uInt32 nSignature = 0, nPSStreamPos, nPSSize = 0; | ||||||||
| 592 | sal_uInt32 nSizeWMF = 0; | ||||||||
| 593 | sal_uInt32 nPosWMF = 0; | ||||||||
| 594 | sal_uInt32 nSizeTIFF = 0; | ||||||||
| 595 | sal_uInt32 nPosTIFF = 0; | ||||||||
| 596 | sal_uInt32 nOrigPos = nPSStreamPos = rStream.Tell(); | ||||||||
| 597 | SvStreamEndian nOldFormat = rStream.GetEndian(); | ||||||||
| 598 | rStream.SetEndian( SvStreamEndian::LITTLE ); | ||||||||
| 599 | rStream.ReadUInt32( nSignature ); | ||||||||
| 600 | if ( nSignature == 0xc6d3d0c5 ) | ||||||||
| 601 | { | ||||||||
| 602 | rStream.ReadUInt32( nPSStreamPos ).ReadUInt32( nPSSize ).ReadUInt32( nPosWMF ).ReadUInt32( nSizeWMF ); | ||||||||
| 603 | |||||||||
| 604 | // first we try to get the metafile grafix | ||||||||
| 605 | |||||||||
| 606 | if ( nSizeWMF ) | ||||||||
| 607 | { | ||||||||
| 608 | if (nPosWMF && checkSeek(rStream, nOrigPos + nPosWMF)) | ||||||||
| 609 | { | ||||||||
| 610 | if (GraphicConverter::Import(rStream, aGraphic, ConvertDataFormat::WMF) == ERRCODE_NONEErrCode(0)) | ||||||||
| 611 | bHasPreview = bRetValue = true; | ||||||||
| 612 | } | ||||||||
| 613 | } | ||||||||
| 614 | else | ||||||||
| 615 | { | ||||||||
| 616 | rStream.ReadUInt32( nPosTIFF ).ReadUInt32( nSizeTIFF ); | ||||||||
| 617 | |||||||||
| 618 | // else we have to get the tiff grafix | ||||||||
| 619 | |||||||||
| 620 | if (nPosTIFF && nSizeTIFF && checkSeek(rStream, nOrigPos + nPosTIFF)) | ||||||||
| 621 | { | ||||||||
| 622 | if ( GraphicConverter::Import( rStream, aGraphic, ConvertDataFormat::TIF ) == ERRCODE_NONEErrCode(0) ) | ||||||||
| 623 | { | ||||||||
| 624 | MakeAsMeta(aGraphic); | ||||||||
| 625 | rStream.Seek( nOrigPos + nPosTIFF ); | ||||||||
| 626 | bHasPreview = bRetValue = true; | ||||||||
| 627 | } | ||||||||
| 628 | } | ||||||||
| 629 | } | ||||||||
| 630 | } | ||||||||
| 631 | else | ||||||||
| 632 | { | ||||||||
| 633 | nPSStreamPos = nOrigPos; // no preview available _>so we must get the size manually | ||||||||
| 634 | nPSSize = rStream.Seek( STREAM_SEEK_TO_END((sal_uInt64) 0xFFFFFFFFFFFFFFFFul) ) - nOrigPos; | ||||||||
| 635 | } | ||||||||
| 636 | |||||||||
| 637 | std::unique_ptr<sal_uInt8[]> pHeader( new sal_uInt8[ 22 ] ); | ||||||||
| 638 | rStream.Seek( nPSStreamPos ); | ||||||||
| 639 | rStream.ReadBytes(pHeader.get(), 22); // check PostScript header | ||||||||
| 640 | bool bOk = ImplSearchEntry(pHeader.get(), reinterpret_cast<sal_uInt8 const *>("%!PS-Adobe"), 10, 10) && | ||||||||
| 641 | ImplSearchEntry(&pHeader[ 15 ], reinterpret_cast<sal_uInt8 const *>("EPS"), 3, 3); | ||||||||
| 642 | if (bOk) | ||||||||
| 643 | { | ||||||||
| 644 | rStream.Seek(nPSStreamPos); | ||||||||
| 645 | bOk = rStream.remainingSize() >= nPSSize; | ||||||||
| 646 | SAL_WARN_IF(!bOk, "filter.eps", "eps claims to be: " << nPSSize << " in size, but only " << rStream.remainingSize() << " remains")do { if (true && (!bOk)) { switch (sal_detail_log_report (::SAL_DETAIL_LOG_LEVEL_WARN, "filter.eps")) { case SAL_DETAIL_LOG_ACTION_IGNORE : break; case SAL_DETAIL_LOG_ACTION_LOG: if (sizeof ::sal::detail ::getResult( ::sal::detail::StreamStart() << "eps claims to be: " << nPSSize << " in size, but only " << rStream .remainingSize() << " remains") == 1) { ::sal_detail_log ( (::SAL_DETAIL_LOG_LEVEL_WARN), ("filter.eps"), ("/home/maarten/src/libreoffice/core/filter/source/graphicfilter/ieps/ieps.cxx" ":" "646" ": "), ::sal::detail::unwrapStream( ::sal::detail:: StreamStart() << "eps claims to be: " << nPSSize << " in size, but only " << rStream.remainingSize() << " remains"), 0); } else { ::std::ostringstream sal_detail_stream ; sal_detail_stream << "eps claims to be: " << nPSSize << " in size, but only " << rStream.remainingSize () << " remains"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN ), ("filter.eps"), ("/home/maarten/src/libreoffice/core/filter/source/graphicfilter/ieps/ieps.cxx" ":" "646" ": "), sal_detail_stream, 0); }; break; case SAL_DETAIL_LOG_ACTION_FATAL : if (sizeof ::sal::detail::getResult( ::sal::detail::StreamStart () << "eps claims to be: " << nPSSize << " in size, but only " << rStream.remainingSize() << " remains") == 1) { ::sal_detail_log( (::SAL_DETAIL_LOG_LEVEL_WARN), ("filter.eps" ), ("/home/maarten/src/libreoffice/core/filter/source/graphicfilter/ieps/ieps.cxx" ":" "646" ": "), ::sal::detail::unwrapStream( ::sal::detail:: StreamStart() << "eps claims to be: " << nPSSize << " in size, but only " << rStream.remainingSize() << " remains"), 0); } else { ::std::ostringstream sal_detail_stream ; sal_detail_stream << "eps claims to be: " << nPSSize << " in size, but only " << rStream.remainingSize () << " remains"; ::sal::detail::log( (::SAL_DETAIL_LOG_LEVEL_WARN ), ("filter.eps"), ("/home/maarten/src/libreoffice/core/filter/source/graphicfilter/ieps/ieps.cxx" ":" "646" ": "), sal_detail_stream, 0); }; std::abort(); break ; } } } while (false); | ||||||||
| 647 | } | ||||||||
| 648 | if (bOk) | ||||||||
| 649 | { | ||||||||
| 650 | std::unique_ptr<sal_uInt8[]> pBuf( new sal_uInt8[ nPSSize ] ); | ||||||||
| 651 | |||||||||
| 652 | sal_uInt32 nBufStartPos = rStream.Tell(); | ||||||||
| 653 | sal_uInt32 nBytesRead = rStream.ReadBytes(pBuf.get(), nPSSize); | ||||||||
| 654 | if ( nBytesRead == nPSSize ) | ||||||||
| 655 | { | ||||||||
| 656 | sal_uInt32 nSecurityCount = 32; | ||||||||
| 657 | // if there is no tiff/wmf preview, we will parse for a preview in | ||||||||
| 658 | // the eps prolog | ||||||||
| 659 | if (!bHasPreview && nBytesRead >= nSecurityCount) | ||||||||
| 660 | { | ||||||||
| 661 | sal_uInt8* pDest = ImplSearchEntry( pBuf.get(), reinterpret_cast<sal_uInt8 const *>("%%BeginPreview:"), nBytesRead - nSecurityCount, 15 ); | ||||||||
| 662 | sal_uInt32 nRemainingBytes = pDest ? (nBytesRead - (pDest - pBuf.get())) : 0; | ||||||||
| 663 | if (nRemainingBytes >= 15) | ||||||||
| 664 | { | ||||||||
| 665 | pDest += 15; | ||||||||
| 666 | nSecurityCount = nRemainingBytes - 15; | ||||||||
| 667 | long nWidth = ImplGetNumber(pDest, nSecurityCount); | ||||||||
| 668 | long nHeight = ImplGetNumber(pDest, nSecurityCount); | ||||||||
| 669 | long nBitDepth = ImplGetNumber(pDest, nSecurityCount); | ||||||||
| 670 | long nScanLines = ImplGetNumber(pDest, nSecurityCount); | ||||||||
| 671 | pDest = ImplSearchEntry(pDest, reinterpret_cast<sal_uInt8 const *>("%"), nSecurityCount, 1); // go to the first Scanline | ||||||||
| 672 | bOk = pDest && nWidth > 0 && nHeight > 0 && ( ( nBitDepth == 1 ) || ( nBitDepth == 8 ) ) && nScanLines; | ||||||||
| 673 | if (bOk) | ||||||||
| 674 | { | ||||||||
| 675 | long nResult; | ||||||||
| 676 | bOk = !o3tl::checked_multiply(nWidth, nHeight, nResult) && nResult <= SAL_MAX_INT32((sal_Int32) 0x7FFFFFFF)/2/3; | ||||||||
| 677 | } | ||||||||
| 678 | if (bOk) | ||||||||
| 679 | { | ||||||||
| 680 | rStream.Seek( nBufStartPos + ( pDest - pBuf.get() ) ); | ||||||||
| 681 | |||||||||
| 682 | vcl::bitmap::RawBitmap aBitmap( Size( nWidth, nHeight ), 24 ); | ||||||||
| 683 | { | ||||||||
| 684 | bool bIsValid = true; | ||||||||
| 685 | sal_uInt8 nDat = 0; | ||||||||
| 686 | char nByte; | ||||||||
| 687 | for (long y = 0; bIsValid && y < nHeight; ++y) | ||||||||
| 688 | { | ||||||||
| 689 | int nBitsLeft = 0; | ||||||||
| 690 | for (long x = 0; x < nWidth; ++x) | ||||||||
| 691 | { | ||||||||
| 692 | if ( --nBitsLeft < 0 ) | ||||||||
| 693 | { | ||||||||
| 694 | while ( bIsValid && ( nBitsLeft != 7 ) ) | ||||||||
| 695 | { | ||||||||
| 696 | rStream.ReadChar(nByte); | ||||||||
| 697 | bIsValid = rStream.good(); | ||||||||
| 698 | if (!bIsValid) | ||||||||
| 699 | break; | ||||||||
| 700 | switch (nByte) | ||||||||
| 701 | { | ||||||||
| 702 | case 0x0a : | ||||||||
| 703 | if ( --nScanLines < 0 ) | ||||||||
| 704 | bIsValid = false; | ||||||||
| 705 | break; | ||||||||
| 706 | case 0x09 : | ||||||||
| 707 | case 0x0d : | ||||||||
| 708 | case 0x20 : | ||||||||
| 709 | case 0x25 : | ||||||||
| 710 | break; | ||||||||
| 711 | default: | ||||||||
| 712 | { | ||||||||
| 713 | if ( nByte >= '0' ) | ||||||||
| 714 | { | ||||||||
| 715 | if ( nByte > '9' ) | ||||||||
| 716 | { | ||||||||
| 717 | nByte &=~0x20; // case none sensitive for hexadecimal values | ||||||||
| 718 | nByte -= ( 'A' - 10 ); | ||||||||
| 719 | if ( nByte > 15 ) | ||||||||
| 720 | bIsValid = false; | ||||||||
| 721 | } | ||||||||
| 722 | else | ||||||||
| 723 | nByte -= '0'; | ||||||||
| 724 | nBitsLeft += 4; | ||||||||
| 725 | nDat <<= 4; | ||||||||
| 726 | nDat |= ( nByte ^ 0xf ); // in epsi a zero bit represents white color | ||||||||
| 727 | } | ||||||||
| 728 | else | ||||||||
| 729 | bIsValid = false; | ||||||||
| 730 | } | ||||||||
| 731 | break; | ||||||||
| 732 | } | ||||||||
| 733 | } | ||||||||
| 734 | } | ||||||||
| 735 | if (!bIsValid) | ||||||||
| 736 | break; | ||||||||
| 737 | if ( nBitDepth == 1 ) | ||||||||
| 738 | aBitmap.SetPixel( y, x, Color(static_cast<sal_uInt8>(nDat >> nBitsLeft) & 1) ); | ||||||||
| 739 | else | ||||||||
| 740 | { | ||||||||
| 741 | aBitmap.SetPixel( y, x, nDat ? COL_WHITE : COL_BLACK ); // nBitDepth == 8 | ||||||||
| 742 | nBitsLeft = 0; | ||||||||
| 743 | } | ||||||||
| 744 | } | ||||||||
| 745 | } | ||||||||
| 746 | if (bIsValid) | ||||||||
| 747 | { | ||||||||
| 748 | ScopedVclPtrInstance<VirtualDevice> pVDev; | ||||||||
| 749 | GDIMetaFile aMtf; | ||||||||
| 750 | Size aSize( nWidth, nHeight ); | ||||||||
| 751 | pVDev->EnableOutput( false ); | ||||||||
| 752 | aMtf.Record( pVDev ); | ||||||||
| 753 | aSize = OutputDevice::LogicToLogic(aSize, MapMode(), MapMode(MapUnit::Map100thMM)); | ||||||||
| 754 | pVDev->DrawBitmapEx( Point(), aSize, vcl::bitmap::CreateFromData(std::move(aBitmap)) ); | ||||||||
| 755 | aMtf.Stop(); | ||||||||
| 756 | aMtf.WindStart(); | ||||||||
| 757 | aMtf.SetPrefMapMode(MapMode(MapUnit::Map100thMM)); | ||||||||
| 758 | aMtf.SetPrefSize( aSize ); | ||||||||
| 759 | aGraphic = aMtf; | ||||||||
| 760 | bHasPreview = bRetValue = true; | ||||||||
| 761 | } | ||||||||
| 762 | } | ||||||||
| 763 | } | ||||||||
| 764 | } | ||||||||
| 765 | } | ||||||||
| 766 | |||||||||
| 767 | sal_uInt8* pDest = ImplSearchEntry( pBuf.get(), reinterpret_cast<sal_uInt8 const *>("%%BoundingBox:"), nBytesRead, 14 ); | ||||||||
| 768 | sal_uInt32 nRemainingBytes = pDest ? (nBytesRead - (pDest - pBuf.get())) : 0; | ||||||||
| 769 | if (nRemainingBytes >= 14) | ||||||||
| 770 | { | ||||||||
| 771 | pDest += 14; | ||||||||
| 772 | nSecurityCount = std::min<sal_uInt32>(nRemainingBytes - 14, 100); | ||||||||
| 773 | long nNumb[4]; | ||||||||
| 774 | nNumb[0] = nNumb[1] = nNumb[2] = nNumb[3] = 0; | ||||||||
| 775 | for ( int i = 0; ( i < 4 ) && nSecurityCount; i++ ) | ||||||||
| 776 | { | ||||||||
| 777 | nNumb[ i ] = ImplGetNumber(pDest, nSecurityCount); | ||||||||
| 778 | } | ||||||||
| 779 | bool bFail = nSecurityCount == 0; | ||||||||
| 780 | long nWidth(0), nHeight(0); | ||||||||
| 781 | if (!bFail) | ||||||||
| 782 | bFail = o3tl::checked_sub(nNumb[2], nNumb[0], nWidth) || o3tl::checked_add(nWidth, 1L, nWidth); | ||||||||
| 783 | if (!bFail) | ||||||||
| 784 | bFail = o3tl::checked_sub(nNumb[3], nNumb[1], nHeight) || o3tl::checked_add(nHeight, 1L, nHeight); | ||||||||
| 785 | if (!bFail && nWidth > 0 && nHeight > 0) | ||||||||
| 786 | { | ||||||||
| 787 | GDIMetaFile aMtf; | ||||||||
| 788 | |||||||||
| 789 | // if there is no preview -> try with gs to make one | ||||||||
| 790 | if (!bHasPreview && !utl::ConfigManager::IsFuzzing()) | ||||||||
| 791 | { | ||||||||
| 792 | bHasPreview = RenderAsEMF(pBuf.get(), nBytesRead, aGraphic); | ||||||||
| 793 | if (!bHasPreview) | ||||||||
| 794 | bHasPreview = RenderAsBMP(pBuf.get(), nBytesRead, aGraphic); | ||||||||
| 795 | } | ||||||||
| 796 | |||||||||
| 797 | // if there is no preview -> make a red box | ||||||||
| 798 | if( !bHasPreview ) | ||||||||
| 799 | { | ||||||||
| 800 | MakePreview(pBuf.get(), nBytesRead, nWidth, nHeight, | ||||||||
| 801 | aGraphic); | ||||||||
| 802 | } | ||||||||
| 803 | |||||||||
| 804 | GfxLink aGfxLink( std::move(pBuf), nPSSize, GfxLinkType::EpsBuffer ) ; | ||||||||
| 805 | aMtf.AddAction( static_cast<MetaAction*>( new MetaEPSAction( Point(), Size( nWidth, nHeight ), | ||||||||
| 806 | aGfxLink, aGraphic.GetGDIMetaFile() ) ) ); | ||||||||
| 807 | CreateMtfReplacementAction( aMtf, rStream, nOrigPos, nPSSize, nPosWMF, nSizeWMF, nPosTIFF, nSizeTIFF ); | ||||||||
| 808 | aMtf.WindStart(); | ||||||||
| 809 | aMtf.SetPrefMapMode(MapMode(MapUnit::MapPoint)); | ||||||||
| 810 | aMtf.SetPrefSize( Size( nWidth, nHeight ) ); | ||||||||
| 811 | rGraphic = aMtf; | ||||||||
| 812 | bRetValue = true; | ||||||||
| 813 | } | ||||||||
| 814 | } | ||||||||
| 815 | } | ||||||||
| 816 | } | ||||||||
| 817 | rStream.SetEndian(nOldFormat); | ||||||||
| 818 | rStream.Seek( nOrigPos ); | ||||||||
| 819 | return bRetValue; | ||||||||
| 820 | } | ||||||||
| 821 | |||||||||
| 822 | /* 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 |