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Diffstat (limited to 'vcl/win/gdi/salgdi2.cxx')
| -rw-r--r-- | vcl/win/gdi/salgdi2.cxx | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/vcl/win/gdi/salgdi2.cxx b/vcl/win/gdi/salgdi2.cxx new file mode 100644 index 000000000..409fcc74b --- /dev/null +++ b/vcl/win/gdi/salgdi2.cxx @@ -0,0 +1,240 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <memory> +#include <string.h> +#include <stdlib.h> + +#include <svsys.h> + +#include <win/wincomp.hxx> +#include <win/salbmp.h> +#include <win/saldata.hxx> +#include <win/salids.hrc> +#include <win/salgdi.h> +#include <win/salframe.h> + +#include <vcl/BitmapAccessMode.hxx> +#include <vcl/BitmapBuffer.hxx> +#include <vcl/BitmapPalette.hxx> +#include <vcl/BitmapReadAccess.hxx> +#include <vcl/Scanline.hxx> +#include <salgdiimpl.hxx> + +#include <config_features.h> +#if HAVE_FEATURE_SKIA +#include <skia/win/gdiimpl.hxx> +#include <skia/salbmp.hxx> +#endif + + +bool WinSalGraphics::supportsOperation( OutDevSupportType eType ) const +{ + return mpImpl->supportsOperation(eType); +} + +void WinSalGraphics::copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) +{ + mpImpl->copyBits( rPosAry, pSrcGraphics ); +} + +void WinSalGraphics::copyArea( tools::Long nDestX, tools::Long nDestY, + tools::Long nSrcX, tools::Long nSrcY, + tools::Long nSrcWidth, tools::Long nSrcHeight, + bool bWindowInvalidate ) +{ + mpImpl->copyArea( nDestX, nDestY, nSrcX, nSrcY, + nSrcWidth, nSrcHeight, bWindowInvalidate ); +} + +namespace +{ + +class ColorScanlineConverter +{ +public: + ScanlineFormat meSourceFormat; + + int mnComponentSize; + int mnComponentExchangeIndex; + + tools::Long mnScanlineSize; + + ColorScanlineConverter(ScanlineFormat eSourceFormat, int nComponentSize, tools::Long nScanlineSize) + : meSourceFormat(eSourceFormat) + , mnComponentSize(nComponentSize) + , mnComponentExchangeIndex(0) + , mnScanlineSize(nScanlineSize) + { + if (meSourceFormat == ScanlineFormat::N32BitTcAbgr || + meSourceFormat == ScanlineFormat::N32BitTcArgb) + { + mnComponentExchangeIndex = 1; + } + } + + void convertScanline(sal_uInt8* pSource, sal_uInt8* pDestination) + { + for (tools::Long x = 0; x < mnScanlineSize; x += mnComponentSize) + { + for (int i = 0; i < mnComponentSize; ++i) + { + pDestination[x + i] = pSource[x + i]; + } + pDestination[x + mnComponentExchangeIndex + 0] = pSource[x + mnComponentExchangeIndex + 2]; + pDestination[x + mnComponentExchangeIndex + 2] = pSource[x + mnComponentExchangeIndex + 0]; + } + } +}; + +void convertToWinSalBitmap(SalBitmap& rSalBitmap, WinSalBitmap& rWinSalBitmap) +{ + BitmapPalette aBitmapPalette; +#if HAVE_FEATURE_SKIA + if(SkiaSalBitmap* pSkiaSalBitmap = dynamic_cast<SkiaSalBitmap*>(&rSalBitmap)) + aBitmapPalette = pSkiaSalBitmap->Palette(); +#endif + + BitmapBuffer* pRead = rSalBitmap.AcquireBuffer(BitmapAccessMode::Read); + + rWinSalBitmap.Create(rSalBitmap.GetSize(), vcl::bitDepthToPixelFormat(rSalBitmap.GetBitCount()), aBitmapPalette); + BitmapBuffer* pWrite = rWinSalBitmap.AcquireBuffer(BitmapAccessMode::Write); + + sal_uInt8* pSource(pRead->mpBits); + sal_uInt8* pDestination(pWrite->mpBits); + tools::Long readRowChange = pRead->mnScanlineSize; + if(pRead->mnFormat & ScanlineFormat::TopDown) + { + pSource += pRead->mnScanlineSize * (pRead->mnHeight - 1); + readRowChange = -readRowChange; + } + + std::unique_ptr<ColorScanlineConverter> pConverter; + + if (RemoveScanline(pRead->mnFormat) == ScanlineFormat::N24BitTcRgb) + pConverter.reset(new ColorScanlineConverter(ScanlineFormat::N24BitTcRgb, + 3, pRead->mnScanlineSize)); + else if (RemoveScanline(pRead->mnFormat) == ScanlineFormat::N32BitTcRgba) + pConverter.reset(new ColorScanlineConverter(ScanlineFormat::N32BitTcRgba, + 4, pRead->mnScanlineSize)); + if (pConverter) + { + for (tools::Long y = 0; y < pRead->mnHeight; y++) + { + pConverter->convertScanline(pSource, pDestination); + pSource += readRowChange; + pDestination += pWrite->mnScanlineSize; + } + } + else + { + for (tools::Long y = 0; y < pRead->mnHeight; y++) + { + memcpy(pDestination, pSource, pRead->mnScanlineSize); + pSource += readRowChange; + pDestination += pWrite->mnScanlineSize; + } + } + rWinSalBitmap.ReleaseBuffer(pWrite, BitmapAccessMode::Write); + + rSalBitmap.ReleaseBuffer(pRead, BitmapAccessMode::Read); +} + +} // end anonymous namespace + +void WinSalGraphics::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap) +{ + if (dynamic_cast<const WinSalBitmap*>(&rSalBitmap) == nullptr +#if HAVE_FEATURE_SKIA + && dynamic_cast<WinSkiaSalGraphicsImpl*>(mpImpl.get()) == nullptr +#endif + ) + { + std::unique_ptr<WinSalBitmap> pWinSalBitmap(new WinSalBitmap()); + SalBitmap& rConstBitmap = const_cast<SalBitmap&>(rSalBitmap); + convertToWinSalBitmap(rConstBitmap, *pWinSalBitmap); + mpImpl->drawBitmap(rPosAry, *pWinSalBitmap); + } + else + { + mpImpl->drawBitmap(rPosAry, rSalBitmap); + } +} + +void WinSalGraphics::drawBitmap( const SalTwoRect& rPosAry, + const SalBitmap& rSSalBitmap, + const SalBitmap& rSTransparentBitmap ) +{ + if (dynamic_cast<const WinSalBitmap*>(&rSSalBitmap) == nullptr +#if HAVE_FEATURE_SKIA + && dynamic_cast<WinSkiaSalGraphicsImpl*>(mpImpl.get()) == nullptr +#endif + ) + { + std::unique_ptr<WinSalBitmap> pWinSalBitmap(new WinSalBitmap()); + SalBitmap& rConstBitmap = const_cast<SalBitmap&>(rSSalBitmap); + convertToWinSalBitmap(rConstBitmap, *pWinSalBitmap); + + + std::unique_ptr<WinSalBitmap> pWinTransparentSalBitmap(new WinSalBitmap()); + SalBitmap& rConstTransparentBitmap = const_cast<SalBitmap&>(rSTransparentBitmap); + convertToWinSalBitmap(rConstTransparentBitmap, *pWinTransparentSalBitmap); + + mpImpl->drawBitmap(rPosAry, *pWinSalBitmap, *pWinTransparentSalBitmap); + } + else + { + mpImpl->drawBitmap(rPosAry, rSSalBitmap, rSTransparentBitmap); + } +} + +bool WinSalGraphics::drawAlphaRect( tools::Long nX, tools::Long nY, tools::Long nWidth, + tools::Long nHeight, sal_uInt8 nTransparency ) +{ + return mpImpl->drawAlphaRect( nX, nY, nWidth, nHeight, nTransparency ); +} + +void WinSalGraphics::drawMask( const SalTwoRect& rPosAry, + const SalBitmap& rSSalBitmap, + Color nMaskColor ) +{ + mpImpl->drawMask( rPosAry, rSSalBitmap, nMaskColor ); +} + +std::shared_ptr<SalBitmap> WinSalGraphics::getBitmap( tools::Long nX, tools::Long nY, tools::Long nDX, tools::Long nDY ) +{ + return mpImpl->getBitmap( nX, nY, nDX, nDY ); +} + +Color WinSalGraphics::getPixel( tools::Long nX, tools::Long nY ) +{ + return mpImpl->getPixel( nX, nY ); +} + +void WinSalGraphics::invert( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, SalInvert nFlags ) +{ + mpImpl->invert( nX, nY, nWidth, nHeight, nFlags ); +} + +void WinSalGraphics::invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nSalFlags ) +{ + mpImpl->invert( nPoints, pPtAry, nSalFlags ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |