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