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 <string.h>
  21 #include <stdlib.h>
  22
  23 #include <svsys.h>
  24 #include <tools/debug.hxx>
  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/salbtype.hxx>
  35 #include <vcl/bitmapaccess.hxx>
  36 #include "outdata.hxx"
  37 #include "salgdiimpl.hxx"
  38 #include "opengl/win/gdiimpl.hxx"
  39
  40
  41 bool WinSalGraphics::supportsOperation( OutDevSupportType eType ) const
  42 {
  43     static bool bAllowForTest(true);
  44     bool bRet = false;
  45
  46     switch( eType )
  47     {
  48     case OutDevSupportType::TransparentRect:
  49         bRet = mbVirDev || mbWindow;
  50         break;
  51     case OutDevSupportType::B2DDraw:
  52         bRet = bAllowForTest;
  53         break;
  54     default: break;
  55     }
  56     return bRet;
  57 }
  58
  59 void WinSalGraphics::copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics )
  60 {
  61     mpImpl->copyBits( rPosAry, pSrcGraphics );
  62 }
  63
  64 void WinSalGraphics::copyArea( long nDestX, long nDestY,
  65                             long nSrcX, long nSrcY,
  66                             long nSrcWidth, long nSrcHeight,
  67                             bool bWindowInvalidate )
  68 {
  69     mpImpl->copyArea( nDestX, nDestY, nSrcX, nSrcY,
  70             nSrcWidth, nSrcHeight, bWindowInvalidate );
  71 }
  72
  73 namespace
  74 {
  75
  76 class ColorScanlineConverter
  77 {
  78 public:
  79     ScanlineFormat meSourceFormat;
  80     ScanlineFormat meDestinationFormat;
  81
  82     int mnComponentSize;
  83     int mnComponentExchangeIndex;
  84
  85     long mnScanlineSize;
  86
  87     ColorScanlineConverter(ScanlineFormat eSourceFormat, ScanlineFormat eDestinationFormat, int nComponentSize, long nScanlineSize)
  88         : meSourceFormat(eSourceFormat)
  89         , meDestinationFormat(eDestinationFormat)
  90         , mnComponentSize(nComponentSize)
  91         , mnComponentExchangeIndex(0)
  92         , mnScanlineSize(nScanlineSize)
  93     {
  94         if (meSourceFormat == ScanlineFormat::N32BitTcAbgr ||
  95             meSourceFormat == ScanlineFormat::N32BitTcArgb)
  96         {
  97             mnComponentExchangeIndex = 1;
  98         }
  99     }
 100
 101     void convertScanline(sal_uInt8* pSource, sal_uInt8* pDestination)
 102     {
 103         for (int x = 0; x < mnScanlineSize; x += mnComponentSize)
 104         {
 105             for (int i = 0; i < mnComponentSize; ++i)
 106             {
 107                 pDestination[x + i] = pSource[x + i];
 108             }
 109             pDestination[x + mnComponentExchangeIndex + 0] = pSource[x + mnComponentExchangeIndex + 2];
 110             pDestination[x + mnComponentExchangeIndex + 2] = pSource[x + mnComponentExchangeIndex + 0];
 111         }
 112     }
 113 };
 114
 115 void convertToWinSalBitmap(SalBitmap& rSalBitmap, WinSalBitmap& rWinSalBitmap)
 116 {
 117          BitmapPalette aBitmapPalette;
 118          OpenGLSalBitmap* pGLSalBitmap = dynamic_cast<OpenGLSalBitmap*>(&rSalBitmap);
 119          if (pGLSalBitmap != nullptr)
 120          {
 121              aBitmapPalette = pGLSalBitmap->GetBitmapPalette();
 122          }
 123
 124         BitmapBuffer* pRead = rSalBitmap.AcquireBuffer(BitmapAccessMode::Read);
 125
 126         rWinSalBitmap.Create(rSalBitmap.GetSize(), rSalBitmap.GetBitCount(), aBitmapPalette);
 127         BitmapBuffer* pWrite = rWinSalBitmap.AcquireBuffer(BitmapAccessMode::Write);
 128
 129         sal_uInt8* pSource(pRead->mpBits);
 130         sal_uInt8* pDestination(pWrite->mpBits);
 131
 132         std::unique_ptr<ColorScanlineConverter> pConverter;
 133
 134         if (pRead->mnFormat == ScanlineFormat::N24BitTcRgb)
 135             pConverter.reset(new ColorScanlineConverter(ScanlineFormat::N24BitTcRgb, ScanlineFormat::N24BitTcBgr,
 136                                                         3, pRead->mnScanlineSize));
 137         else if (pRead->mnFormat == ScanlineFormat::N32BitTcRgba)
 138             pConverter.reset(new ColorScanlineConverter(ScanlineFormat::N32BitTcRgba, ScanlineFormat::N32BitTcBgra,
 139                                                         4, pRead->mnScanlineSize));
 140         if (pConverter)
 141         {
 142             for (long y = 0; y < pRead->mnHeight; y++)
 143             {
 144                 pConverter->convertScanline(pSource, pDestination);
 145                 pSource += pRead->mnScanlineSize;
 146                 pDestination += pWrite->mnScanlineSize;
 147             }
 148         }
 149         else
 150         {
 151             for (long y = 0; y < pRead->mnHeight; y++)
 152             {
 153                 memcpy(pDestination, pSource, pRead->mnScanlineSize);
 154                 pSource += pRead->mnScanlineSize;
 155                 pDestination += pWrite->mnScanlineSize;
 156             }
 157         }
 158         rWinSalBitmap.ReleaseBuffer(pWrite, BitmapAccessMode::Write);
 159
 160         rSalBitmap.ReleaseBuffer(pRead, BitmapAccessMode::Read);
 161 }
 162
 163 } // end anonymous namespace
 164
 165 void WinSalGraphics::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
 166 {
 167     if (dynamic_cast<WinOpenGLSalGraphicsImpl*>(mpImpl.get()) == nullptr &&
 168         dynamic_cast<const WinSalBitmap*>(&rSalBitmap) == nullptr)
 169     {
 170         std::unique_ptr<WinSalBitmap> pWinSalBitmap(new WinSalBitmap());
 171         SalBitmap& rConstBitmap = const_cast<SalBitmap&>(rSalBitmap);
 172         convertToWinSalBitmap(rConstBitmap, *pWinSalBitmap.get());
 173         mpImpl->drawBitmap(rPosAry, *pWinSalBitmap.get());
 174     }
 175     else
 176     {
 177         mpImpl->drawBitmap(rPosAry, rSalBitmap);
 178     }
 179 }
 180
 181 void WinSalGraphics::drawBitmap( const SalTwoRect& rPosAry,
 182                               const SalBitmap& rSSalBitmap,
 183                               const SalBitmap& rSTransparentBitmap )
 184 {
 185     if (dynamic_cast<WinOpenGLSalGraphicsImpl*>(mpImpl.get()) == nullptr &&
 186         dynamic_cast<const WinSalBitmap*>(&rSSalBitmap) == nullptr)
 187     {
 188         std::unique_ptr<WinSalBitmap> pWinSalBitmap(new WinSalBitmap());
 189         SalBitmap& rConstBitmap = const_cast<SalBitmap&>(rSSalBitmap);
 190         convertToWinSalBitmap(rConstBitmap, *pWinSalBitmap.get());
 191
 192
 193         std::unique_ptr<WinSalBitmap> pWinTransparentSalBitmap(new WinSalBitmap());
 194         SalBitmap& rConstTransparentBitmap = const_cast<SalBitmap&>(rSTransparentBitmap);
 195         convertToWinSalBitmap(rConstTransparentBitmap, *pWinTransparentSalBitmap.get());
 196
 197         mpImpl->drawBitmap(rPosAry, *pWinSalBitmap.get(), *pWinTransparentSalBitmap.get());
 198     }
 199     else
 200     {
 201         mpImpl->drawBitmap(rPosAry, rSSalBitmap, rSTransparentBitmap);
 202     }
 203 }
 204
 205 bool WinSalGraphics::drawAlphaRect( long nX, long nY, long nWidth,
 206                                     long nHeight, sal_uInt8 nTransparency )
 207 {
 208     return mpImpl->drawAlphaRect( nX, nY, nWidth, nHeight, nTransparency );
 209 }
 210
 211 void WinSalGraphics::drawMask( const SalTwoRect& rPosAry,
 212                             const SalBitmap& rSSalBitmap,
 213                             SalColor nMaskColor )
 214 {
 215     mpImpl->drawMask( rPosAry, rSSalBitmap, nMaskColor );
 216 }
 217
 218 SalBitmap* WinSalGraphics::getBitmap( long nX, long nY, long nDX, long nDY )
 219 {
 220     return mpImpl->getBitmap( nX, nY, nDX, nDY );
 221 }
 222
 223 SalColor WinSalGraphics::getPixel( long nX, long nY )
 224 {
 225     return mpImpl->getPixel( nX, nY );
 226 }
 227
 228 void WinSalGraphics::invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags )
 229 {
 230     mpImpl->invert( nX, nY, nWidth, nHeight, nFlags );
 231 }
 232
 233 void WinSalGraphics::invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nSalFlags )
 234 {
 235     mpImpl->invert( nPoints, pPtAry, nSalFlags );
 236 }
 237
 238 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */