Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */