vcl/win/gdi/salgdi2.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <memory>
  21 #include <string.h>
  22 #include <stdlib.h>
  23
  24 #include <svsys.h>
  25
  26 #include <win/wincomp.hxx>
  27 #include <win/salbmp.h>
  28 #include <win/saldata.hxx>
  29 #include <win/salids.hrc>
  30 #include <win/salgdi.h>
  31 #include <win/salframe.h>
  32 #include <opengl/salbmp.hxx>
  33
  34 #include <vcl/BitmapAccessMode.hxx>
  35 #include <vcl/BitmapBuffer.hxx>
  36 #include <vcl/BitmapPalette.hxx>
  37 #include <vcl/Scanline.hxx>
  38 #include <vcl/bitmapaccess.hxx>
  39 #include <outdata.hxx>
  40 #include <salgdiimpl.hxx>
  41 #include <opengl/win/gdiimpl.hxx>
  42
  43 #include <config_features.h>
  44 #if HAVE_FEATURE_SKIA
  45 #include <skia/win/gdiimpl.hxx>
  46 #include <skia/salbmp.hxx>
  47 #endif
  48
  49
  50 bool WinSalGraphics::supportsOperation( OutDevSupportType eType ) const
  51 {
  52     return mpImpl->supportsOperation(eType);
  53 }
  54
  55 void WinSalGraphics::copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics )
  56 {
  57     mpImpl->copyBits( rPosAry, pSrcGraphics );
  58 }
  59
  60 void WinSalGraphics::copyArea( tools::Long nDestX, tools::Long nDestY,
  61                             tools::Long nSrcX, tools::Long nSrcY,
  62                             tools::Long nSrcWidth, tools::Long nSrcHeight,
  63                             bool bWindowInvalidate )
  64 {
  65     mpImpl->copyArea( nDestX, nDestY, nSrcX, nSrcY,
  66             nSrcWidth, nSrcHeight, bWindowInvalidate );
  67 }
  68
  69 namespace
  70 {
  71
  72 class ColorScanlineConverter
  73 {
  74 public:
  75     ScanlineFormat meSourceFormat;
  76
  77     int mnComponentSize;
  78     int mnComponentExchangeIndex;
  79
  80     tools::Long mnScanlineSize;
  81
  82     ColorScanlineConverter(ScanlineFormat eSourceFormat, int nComponentSize, tools::Long nScanlineSize)
  83         : meSourceFormat(eSourceFormat)
  84         , mnComponentSize(nComponentSize)
  85         , mnComponentExchangeIndex(0)
  86         , mnScanlineSize(nScanlineSize)
  87     {
  88         if (meSourceFormat == ScanlineFormat::N32BitTcAbgr ||
  89             meSourceFormat == ScanlineFormat::N32BitTcArgb)
  90         {
  91             mnComponentExchangeIndex = 1;
  92         }
  93     }
  94
  95     void convertScanline(sal_uInt8* pSource, sal_uInt8* pDestination)
  96     {
  97         for (tools::Long x = 0; x < mnScanlineSize; x += mnComponentSize)
  98         {
  99             for (int i = 0; i < mnComponentSize; ++i)
 100             {
 101                 pDestination[x + i] = pSource[x + i];
 102             }
 103             pDestination[x + mnComponentExchangeIndex + 0] = pSource[x + mnComponentExchangeIndex + 2];
 104             pDestination[x + mnComponentExchangeIndex + 2] = pSource[x + mnComponentExchangeIndex + 0];
 105         }
 106     }
 107 };
 108
 109 void convertToWinSalBitmap(SalBitmap& rSalBitmap, WinSalBitmap& rWinSalBitmap)
 110 {
 111     BitmapPalette aBitmapPalette;
 112     OpenGLSalBitmap* pGLSalBitmap = dynamic_cast<OpenGLSalBitmap*>(&rSalBitmap);
 113     if (pGLSalBitmap != nullptr)
 114     {
 115         aBitmapPalette = pGLSalBitmap->GetBitmapPalette();
 116     }
 117 #if HAVE_FEATURE_SKIA
 118     if(SkiaSalBitmap* pSkiaSalBitmap = dynamic_cast<SkiaSalBitmap*>(&rSalBitmap))
 119         aBitmapPalette = pSkiaSalBitmap->Palette();
 120 #endif
 121
 122     BitmapBuffer* pRead = rSalBitmap.AcquireBuffer(BitmapAccessMode::Read);
 123
 124     rWinSalBitmap.Create(rSalBitmap.GetSize(), rSalBitmap.GetBitCount(), aBitmapPalette);
 125     BitmapBuffer* pWrite = rWinSalBitmap.AcquireBuffer(BitmapAccessMode::Write);
 126
 127     sal_uInt8* pSource(pRead->mpBits);
 128     sal_uInt8* pDestination(pWrite->mpBits);
 129     tools::Long readRowChange = pRead->mnScanlineSize;
 130     if(pRead->mnFormat & ScanlineFormat::TopDown)
 131     {
 132         pSource += pRead->mnScanlineSize * (pRead->mnHeight - 1);
 133         readRowChange = -readRowChange;
 134     }
 135
 136     std::unique_ptr<ColorScanlineConverter> pConverter;
 137
 138     if (RemoveScanline(pRead->mnFormat) == ScanlineFormat::N24BitTcRgb)
 139         pConverter.reset(new ColorScanlineConverter(ScanlineFormat::N24BitTcRgb,
 140                                                     3, pRead->mnScanlineSize));
 141     else if (RemoveScanline(pRead->mnFormat) == ScanlineFormat::N32BitTcRgba)
 142         pConverter.reset(new ColorScanlineConverter(ScanlineFormat::N32BitTcRgba,
 143                                                     4, pRead->mnScanlineSize));
 144     if (pConverter)
 145     {
 146         for (tools::Long y = 0; y < pRead->mnHeight; y++)
 147         {
 148             pConverter->convertScanline(pSource, pDestination);
 149             pSource += readRowChange;
 150             pDestination += pWrite->mnScanlineSize;
 151         }
 152     }
 153     else
 154     {
 155         for (tools::Long y = 0; y < pRead->mnHeight; y++)
 156         {
 157             memcpy(pDestination, pSource, pRead->mnScanlineSize);
 158             pSource += readRowChange;
 159             pDestination += pWrite->mnScanlineSize;
 160         }
 161     }
 162     rWinSalBitmap.ReleaseBuffer(pWrite, BitmapAccessMode::Write);
 163
 164     rSalBitmap.ReleaseBuffer(pRead, BitmapAccessMode::Read);
 165 }
 166
 167 } // end anonymous namespace
 168
 169 void WinSalGraphics::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
 170 {
 171     if (dynamic_cast<WinOpenGLSalGraphicsImpl*>(mpImpl.get()) == nullptr &&
 172 #if HAVE_FEATURE_SKIA
 173         dynamic_cast<WinSkiaSalGraphicsImpl*>(mpImpl.get()) == nullptr &&
 174 #endif
 175         dynamic_cast<const WinSalBitmap*>(&rSalBitmap) == nullptr)
 176     {
 177         std::unique_ptr<WinSalBitmap> pWinSalBitmap(new WinSalBitmap());
 178         SalBitmap& rConstBitmap = const_cast<SalBitmap&>(rSalBitmap);
 179         convertToWinSalBitmap(rConstBitmap, *pWinSalBitmap);
 180         mpImpl->drawBitmap(rPosAry, *pWinSalBitmap);
 181     }
 182     else
 183     {
 184         mpImpl->drawBitmap(rPosAry, rSalBitmap);
 185     }
 186 }
 187
 188 void WinSalGraphics::drawBitmap( const SalTwoRect& rPosAry,
 189                               const SalBitmap& rSSalBitmap,
 190                               const SalBitmap& rSTransparentBitmap )
 191 {
 192     if (dynamic_cast<WinOpenGLSalGraphicsImpl*>(mpImpl.get()) == nullptr &&
 193 #if HAVE_FEATURE_SKIA
 194         dynamic_cast<WinSkiaSalGraphicsImpl*>(mpImpl.get()) == nullptr &&
 195 #endif
 196         dynamic_cast<const WinSalBitmap*>(&rSSalBitmap) == nullptr)
 197     {
 198         std::unique_ptr<WinSalBitmap> pWinSalBitmap(new WinSalBitmap());
 199         SalBitmap& rConstBitmap = const_cast<SalBitmap&>(rSSalBitmap);
 200         convertToWinSalBitmap(rConstBitmap, *pWinSalBitmap);
 201
 202
 203         std::unique_ptr<WinSalBitmap> pWinTransparentSalBitmap(new WinSalBitmap());
 204         SalBitmap& rConstTransparentBitmap = const_cast<SalBitmap&>(rSTransparentBitmap);
 205         convertToWinSalBitmap(rConstTransparentBitmap, *pWinTransparentSalBitmap);
 206
 207         mpImpl->drawBitmap(rPosAry, *pWinSalBitmap, *pWinTransparentSalBitmap);
 208     }
 209     else
 210     {
 211         mpImpl->drawBitmap(rPosAry, rSSalBitmap, rSTransparentBitmap);
 212     }
 213 }
 214
 215 bool WinSalGraphics::drawAlphaRect( tools::Long nX, tools::Long nY, tools::Long nWidth,
 216                                     tools::Long nHeight, sal_uInt8 nTransparency )
 217 {
 218     return mpImpl->drawAlphaRect( nX, nY, nWidth, nHeight, nTransparency );
 219 }
 220
 221 void WinSalGraphics::drawMask( const SalTwoRect& rPosAry,
 222                             const SalBitmap& rSSalBitmap,
 223                             Color nMaskColor )
 224 {
 225     mpImpl->drawMask( rPosAry, rSSalBitmap, nMaskColor );
 226 }
 227
 228 std::shared_ptr<SalBitmap> WinSalGraphics::getBitmap( tools::Long nX, tools::Long nY, tools::Long nDX, tools::Long nDY )
 229 {
 230     return mpImpl->getBitmap( nX, nY, nDX, nDY );
 231 }
 232
 233 Color WinSalGraphics::getPixel( tools::Long nX, tools::Long nY )
 234 {
 235     return mpImpl->getPixel( nX, nY );
 236 }
 237
 238 void WinSalGraphics::invert( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, SalInvert nFlags )
 239 {
 240     mpImpl->invert( nX, nY, nWidth, nHeight, nFlags );
 241 }
 242
 243 void WinSalGraphics::invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nSalFlags )
 244 {
 245     mpImpl->invert( nPoints, pPtAry, nSalFlags );
 246 }
 247
 248 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */