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+/* -*- 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 <com/sun/star/geometry/RealSize2D.hpp>
+#include <com/sun/star/geometry/IntegerSize2D.hpp>
+#include <com/sun/star/geometry/IntegerPoint2D.hpp>
+#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
+
+#include <com/sun/star/rendering/ColorSpaceType.hpp>
+#include <com/sun/star/rendering/RenderingIntent.hpp>
+#include <com/sun/star/rendering/VolatileContentDestroyedException.hpp>
+#include <com/sun/star/rendering/XBitmap.hpp>
+#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
+#include <com/sun/star/rendering/ColorComponentTag.hpp>
+
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/point/b2ipoint.hxx>
+#include <basegfx/range/b2irectangle.hxx>
+
+#include <sal/log.hxx>
+#include <tools/helpers.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <vcl/bitmapex.hxx>
+
+#include <canvasbitmap.hxx>
+#include <vcl/canvastools.hxx>
+#include <bitmapwriteaccess.hxx>
+
+using namespace ::com::sun::star;
+
+namespace vcl::unotools
+{
+ uno::Reference< rendering::XBitmap > xBitmapFromBitmapEx(const ::BitmapEx& inputBitmap )
+ {
+ SAL_INFO( "vcl.helper", "vcl::unotools::xBitmapFromBitmapEx()" );
+
+ return new vcl::unotools::VclCanvasBitmap( inputBitmap );
+ }
+
+ namespace
+ {
+ bool equalsLayout( const rendering::IntegerBitmapLayout& rLHS,
+ const rendering::IntegerBitmapLayout& rRHS )
+ {
+ return
+ rLHS.ScanLineBytes == rRHS.ScanLineBytes &&
+ rLHS.ScanLineStride == rRHS.ScanLineStride &&
+ rLHS.PlaneStride == rRHS.PlaneStride &&
+ rLHS.ColorSpace == rRHS.ColorSpace &&
+ rLHS.Palette == rRHS.Palette &&
+ rLHS.IsMsbFirst == rRHS.IsMsbFirst;
+ }
+ bool readBmp( sal_Int32 nWidth,
+ sal_Int32 nHeight,
+ const rendering::IntegerBitmapLayout& rLayout,
+ const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap,
+ BitmapScopedWriteAccess& rWriteAcc,
+ BitmapScopedWriteAccess& rAlphaAcc )
+ {
+ rendering::IntegerBitmapLayout aCurrLayout;
+ geometry::IntegerRectangle2D aRect;
+ uno::Sequence<sal_Int8> aPixelData;
+ uno::Sequence<rendering::RGBColor> aRGBColors;
+ uno::Sequence<rendering::ARGBColor> aARGBColors;
+
+ for( aRect.Y1=0; aRect.Y1<nHeight; ++aRect.Y1 )
+ {
+ aRect.X1 = 0; aRect.X2 = nWidth; aRect.Y2 = aRect.Y1+1;
+ try
+ {
+ aPixelData = xInputBitmap->getData(aCurrLayout,aRect);
+ }
+ catch( rendering::VolatileContentDestroyedException& )
+ {
+ // re-read bmp from the start
+ return false;
+ }
+ if( !equalsLayout(aCurrLayout, rLayout) )
+ return false; // re-read bmp from the start
+
+ Scanline pScanline = rWriteAcc->GetScanline( aRect.Y1 );
+ if( rAlphaAcc.get() )
+ {
+ Scanline pScanlineAlpha = rAlphaAcc->GetScanline( aRect.Y1 );
+ // read ARGB color
+ aARGBColors = rLayout.ColorSpace->convertIntegerToARGB(aPixelData);
+
+ if( rWriteAcc->HasPalette() )
+ {
+ for( sal_Int32 x=0; x<nWidth; ++x )
+ {
+ const rendering::ARGBColor& rColor=aARGBColors[x];
+ rWriteAcc->SetPixelOnData( pScanline, x,
+ BitmapColor(static_cast<sal_uInt8>(rWriteAcc->GetBestPaletteIndex(
+ BitmapColor( toByteColor(rColor.Red),
+ toByteColor(rColor.Green),
+ toByteColor(rColor.Blue))))) );
+ rAlphaAcc->SetPixelOnData( pScanlineAlpha, x,
+ BitmapColor( 255 - toByteColor(rColor.Alpha) ));
+ }
+ }
+ else
+ {
+ for( sal_Int32 x=0; x<nWidth; ++x )
+ {
+ const rendering::ARGBColor& rColor=aARGBColors[x];
+ rWriteAcc->SetPixelOnData( pScanline, x,
+ BitmapColor( toByteColor(rColor.Red),
+ toByteColor(rColor.Green),
+ toByteColor(rColor.Blue) ));
+ rAlphaAcc->SetPixelOnData( pScanlineAlpha, x,
+ BitmapColor( 255 - toByteColor(rColor.Alpha) ));
+ }
+ }
+ }
+ else
+ {
+ // read RGB color
+ aRGBColors = rLayout.ColorSpace->convertIntegerToRGB(aPixelData);
+ if( rWriteAcc->HasPalette() )
+ {
+ for( sal_Int32 x=0; x<nWidth; ++x )
+ {
+ const rendering::RGBColor& rColor=aRGBColors[x];
+ rWriteAcc->SetPixelOnData( pScanline, x,
+ BitmapColor(static_cast<sal_uInt8>(rWriteAcc->GetBestPaletteIndex(
+ BitmapColor( toByteColor(rColor.Red),
+ toByteColor(rColor.Green),
+ toByteColor(rColor.Blue))))) );
+ }
+ }
+ else
+ {
+ for( sal_Int32 x=0; x<nWidth; ++x )
+ {
+ const rendering::RGBColor& rColor=aRGBColors[x];
+ rWriteAcc->SetPixelOnData( pScanline, x,
+ BitmapColor( toByteColor(rColor.Red),
+ toByteColor(rColor.Green),
+ toByteColor(rColor.Blue) ));
+ }
+ }
+ }
+ }
+
+ return true;
+ }
+ }
+
+ ::BitmapEx bitmapExFromXBitmap( const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap )
+ {
+ SAL_INFO( "vcl.helper", "vcl::unotools::bitmapExFromXBitmap()" );
+
+ if( !xInputBitmap.is() )
+ return ::BitmapEx();
+
+ // tunnel directly for known implementation
+ VclCanvasBitmap* pImplBitmap = dynamic_cast<VclCanvasBitmap*>(xInputBitmap.get());
+ if( pImplBitmap )
+ return pImplBitmap->getBitmapEx();
+
+ // retrieve data via UNO interface
+
+ // volatile bitmaps are a bit more complicated to read
+ // from...
+
+ // loop a few times, until successfully read (for XVolatileBitmap)
+ for( int i=0; i<10; ++i )
+ {
+ sal_Int32 nDepth=0;
+ sal_Int32 nAlphaDepth=0;
+ const rendering::IntegerBitmapLayout aLayout(
+ xInputBitmap->getMemoryLayout());
+
+ OSL_ENSURE(aLayout.ColorSpace.is(),
+ "Cannot convert image without color space!");
+ if( !aLayout.ColorSpace.is() )
+ return ::BitmapEx();
+
+ nDepth = aLayout.ColorSpace->getBitsPerPixel();
+
+ if( xInputBitmap->hasAlpha() )
+ {
+ // determine alpha channel depth
+ const uno::Sequence<sal_Int8> aTags(
+ aLayout.ColorSpace->getComponentTags() );
+ const sal_Int8* pStart(aTags.getConstArray());
+ const std::size_t nLen(aTags.getLength());
+ const sal_Int8* pEnd(pStart+nLen);
+
+ const std::ptrdiff_t nAlphaIndex =
+ std::find(pStart,pEnd,
+ rendering::ColorComponentTag::ALPHA) - pStart;
+
+ if( nAlphaIndex < sal::static_int_cast<std::ptrdiff_t>(nLen) )
+ {
+ nAlphaDepth = aLayout.ColorSpace->getComponentBitCounts()[nAlphaIndex] > 1 ? 8 : 1;
+ nDepth -= nAlphaDepth;
+ }
+ }
+
+ BitmapPalette aPalette;
+ if( aLayout.Palette.is() )
+ {
+ uno::Reference< rendering::XColorSpace > xPaletteColorSpace(
+ aLayout.Palette->getColorSpace());
+ ENSURE_OR_THROW(xPaletteColorSpace.is(),
+ "Palette without color space");
+
+ const sal_Int32 nEntryCount( aLayout.Palette->getNumberOfEntries() );
+ if( nEntryCount <= 256 )
+ {
+ if( nEntryCount <= 2 )
+ nDepth = 1;
+ else
+ nDepth = 8;
+
+ const sal_uInt16 nPaletteEntries(
+ sal::static_int_cast<sal_uInt16>(
+ std::min(sal_Int32(255), nEntryCount)));
+
+ // copy palette entries
+ aPalette.SetEntryCount(nPaletteEntries);
+ uno::Reference<rendering::XBitmapPalette> xPalette( aLayout.Palette );
+ uno::Reference<rendering::XColorSpace> xPalColorSpace( xPalette->getColorSpace() );
+
+ uno::Sequence<double> aPaletteEntry;
+ for( sal_uInt16 j=0; j<nPaletteEntries; ++j )
+ {
+ if( !xPalette->getIndex(aPaletteEntry,j) &&
+ nAlphaDepth == 0 )
+ {
+ nAlphaDepth = 1;
+ }
+ uno::Sequence<rendering::RGBColor> aColors=xPalColorSpace->convertToRGB(aPaletteEntry);
+ ENSURE_OR_THROW(aColors.getLength() == 1,
+ "Palette returned more or less than one entry");
+ const rendering::RGBColor& rColor=aColors[0];
+ aPalette[j] = BitmapColor(toByteColor(rColor.Red),
+ toByteColor(rColor.Green),
+ toByteColor(rColor.Blue));
+ }
+ }
+ }
+
+ const ::Size aPixelSize(
+ sizeFromIntegerSize2D(xInputBitmap->getSize()));
+
+ // normalize bitcount
+ nDepth =
+ ( nDepth <= 1 ) ? 1 :
+ ( nDepth <= 4 ) ? 4 :
+ ( nDepth <= 8 ) ? 8 : 24;
+
+ ::Bitmap aBitmap( aPixelSize,
+ sal::static_int_cast<sal_uInt16>(nDepth),
+ aLayout.Palette.is() ? &aPalette : nullptr );
+ ::Bitmap aAlpha;
+ if( nAlphaDepth )
+ aAlpha = ::Bitmap( aPixelSize,
+ sal::static_int_cast<sal_uInt16>(nAlphaDepth),
+ &::Bitmap::GetGreyPalette(
+ sal::static_int_cast<sal_uInt16>(1 << nAlphaDepth)) );
+
+ { // limit scoped access
+ BitmapScopedWriteAccess pWriteAccess( aBitmap );
+ BitmapScopedWriteAccess pAlphaWriteAccess( nAlphaDepth ? aAlpha.AcquireWriteAccess() : nullptr,
+ aAlpha );
+
+ ENSURE_OR_THROW(pWriteAccess.get() != nullptr,
+ "Cannot get write access to bitmap");
+
+ const sal_Int32 nWidth(aPixelSize.Width());
+ const sal_Int32 nHeight(aPixelSize.Height());
+
+ if( !readBmp(nWidth,nHeight,aLayout,xInputBitmap,
+ pWriteAccess,pAlphaWriteAccess) )
+ continue;
+ } // limit scoped access
+
+ if( nAlphaDepth )
+ return ::BitmapEx( aBitmap,
+ AlphaMask( aAlpha ) );
+ else
+ return ::BitmapEx( aBitmap );
+ }
+
+ // failed to read data 10 times - bail out
+ return ::BitmapEx();
+ }
+
+ geometry::RealSize2D size2DFromSize( const Size& rSize )
+ {
+ return geometry::RealSize2D( rSize.Width(),
+ rSize.Height() );
+ }
+
+ Size sizeFromRealSize2D( const geometry::RealSize2D& rSize )
+ {
+ return Size( static_cast<long>(rSize.Width + .5),
+ static_cast<long>(rSize.Height + .5) );
+ }
+
+ ::Size sizeFromB2DSize( const basegfx::B2DVector& rVec )
+ {
+ return ::Size( FRound( rVec.getX() ),
+ FRound( rVec.getY() ) );
+ }
+
+ ::Point pointFromB2DPoint( const basegfx::B2DPoint& rPoint )
+ {
+ return pointFromB2IPoint(basegfx::fround(rPoint));
+ }
+
+ ::tools::Rectangle rectangleFromB2DRectangle( const basegfx::B2DRange& rRect )
+ {
+ return rectangleFromB2IRectangle(basegfx::fround(rRect));
+ }
+
+ Point pointFromB2IPoint( const basegfx::B2IPoint& rPoint )
+ {
+ return ::Point( rPoint.getX(),
+ rPoint.getY() );
+ }
+
+ basegfx::B2IPoint b2IPointFromPoint(Point const& rPoint)
+ {
+ return basegfx::B2IPoint(rPoint.X(), rPoint.Y());
+ }
+
+ tools::Rectangle rectangleFromB2IRectangle( const basegfx::B2IRange& rRect )
+ {
+ return ::tools::Rectangle( rRect.getMinX(),
+ rRect.getMinY(),
+ rRect.getMaxX(),
+ rRect.getMaxY() );
+ }
+
+ basegfx::B2IRectangle b2IRectangleFromRectangle(tools::Rectangle const& rRect)
+ {
+ // although B2IRange internally has separate height/width emptiness, it doesn't
+ // expose any API to let us set them separately, so just do the best we can.
+ if (rRect.IsWidthEmpty() && rRect.IsHeightEmpty())
+ return basegfx::B2IRange( basegfx::B2ITuple( rRect.Left(), rRect.Top() ) );
+ return basegfx::B2IRange( rRect.Left(),
+ rRect.Top(),
+ rRect.IsWidthEmpty() ? rRect.Left() : rRect.Right(),
+ rRect.IsHeightEmpty() ? rRect.Top() : rRect.Bottom() );
+ }
+
+ basegfx::B2DVector b2DSizeFromSize( const ::Size& rSize )
+ {
+ return basegfx::B2DVector( rSize.Width(),
+ rSize.Height() );
+ }
+
+ basegfx::B2DPoint b2DPointFromPoint( const ::Point& rPoint )
+ {
+ return basegfx::B2DPoint( rPoint.X(),
+ rPoint.Y() );
+ }
+
+ basegfx::B2DRange b2DRectangleFromRectangle( const ::tools::Rectangle& rRect )
+ {
+ // although B2DRange internally has separate height/width emptiness, it doesn't
+ // expose any API to let us set them separately, so just do the best we can.
+ if (rRect.IsWidthEmpty() && rRect.IsHeightEmpty())
+ return basegfx::B2DRange( basegfx::B2DTuple( rRect.Left(), rRect.Top() ) );
+ return basegfx::B2DRectangle( rRect.Left(),
+ rRect.Top(),
+ rRect.IsWidthEmpty() ? rRect.Left() : rRect.Right(),
+ rRect.IsHeightEmpty() ? rRect.Top() : rRect.Bottom() );
+ }
+
+ geometry::IntegerSize2D integerSize2DFromSize( const Size& rSize )
+ {
+ return geometry::IntegerSize2D( rSize.Width(),
+ rSize.Height() );
+ }
+
+ Size sizeFromIntegerSize2D( const geometry::IntegerSize2D& rSize )
+ {
+ return Size( rSize.Width,
+ rSize.Height );
+ }
+
+ Point pointFromIntegerPoint2D( const geometry::IntegerPoint2D& rPoint )
+ {
+ return Point( rPoint.X,
+ rPoint.Y );
+ }
+
+ tools::Rectangle rectangleFromIntegerRectangle2D( const geometry::IntegerRectangle2D& rRectangle )
+ {
+ return tools::Rectangle( rRectangle.X1, rRectangle.Y1,
+ rRectangle.X2, rRectangle.Y2 );
+ }
+
+ namespace
+ {
+ class StandardColorSpace : public cppu::WeakImplHelper< css::rendering::XColorSpace >
+ {
+ private:
+ uno::Sequence< sal_Int8 > m_aComponentTags;
+
+ virtual ::sal_Int8 SAL_CALL getType( ) override
+ {
+ return rendering::ColorSpaceType::RGB;
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
+ {
+ return m_aComponentTags;
+ }
+ virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
+ {
+ return rendering::RenderingIntent::PERCEPTUAL;
+ }
+ virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
+ {
+ return uno::Sequence< beans::PropertyValue >();
+ }
+ virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ // TODO(P3): if we know anything about target
+ // colorspace, this can be greatly sped up
+ uno::Sequence<rendering::ARGBColor> aIntermediate(
+ convertToARGB(deviceColor));
+ return targetColorSpace->convertFromARGB(aIntermediate);
+ }
+ virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::RGBColor > aRes(nLen/4);
+ rendering::RGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::RGBColor(pIn[0],pIn[1],pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(pIn[3],pIn[0],pIn[1],pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
+ {
+ const double* pIn( deviceColor.getConstArray() );
+ const std::size_t nLen( deviceColor.getLength() );
+ ENSURE_ARG_OR_THROW2(nLen%4==0,
+ "number of channels no multiple of 4",
+ static_cast<rendering::XColorSpace*>(this), 0);
+
+ uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
+ rendering::ARGBColor* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = rendering::ARGBColor(pIn[3],pIn[3]*pIn[0],pIn[3]*pIn[1],pIn[3]*pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( const auto& rIn : rgbColor )
+ {
+ *pColors++ = rIn.Red;
+ *pColors++ = rIn.Green;
+ *pColors++ = rIn.Blue;
+ *pColors++ = 1.0;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( const auto& rIn : rgbColor )
+ {
+ *pColors++ = rIn.Red;
+ *pColors++ = rIn.Green;
+ *pColors++ = rIn.Blue;
+ *pColors++ = rIn.Alpha;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( const auto& rIn : rgbColor )
+ {
+ *pColors++ = rIn.Red/rIn.Alpha;
+ *pColors++ = rIn.Green/rIn.Alpha;
+ *pColors++ = rIn.Blue/rIn.Alpha;
+ *pColors++ = rIn.Alpha;
+ }
+ return aRes;
+ }
+
+ public:
+ StandardColorSpace() : m_aComponentTags(4)
+ {
+ sal_Int8* pTags = m_aComponentTags.getArray();
+ pTags[0] = rendering::ColorComponentTag::RGB_RED;
+ pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
+ pTags[2] = rendering::ColorComponentTag::RGB_BLUE;
+ pTags[3] = rendering::ColorComponentTag::ALPHA;
+ }
+ };
+ }
+
+ uno::Reference<rendering::XColorSpace> createStandardColorSpace()
+ {
+ return new StandardColorSpace();
+ }
+
+ uno::Sequence< double > colorToStdColorSpaceSequence( const Color& rColor )
+ {
+ uno::Sequence< double > aRet(4);
+ double* pRet = aRet.getArray();
+
+ pRet[0] = toDoubleColor(rColor.GetRed());
+ pRet[1] = toDoubleColor(rColor.GetGreen());
+ pRet[2] = toDoubleColor(rColor.GetBlue());
+
+ // VCL's notion of alpha is different from the rest of the world's
+ pRet[3] = 1.0 - toDoubleColor(rColor.GetTransparency());
+
+ return aRet;
+ }
+
+ Color stdColorSpaceSequenceToColor( const uno::Sequence< double >& rColor )
+ {
+ ENSURE_ARG_OR_THROW( rColor.getLength() == 4,
+ "color must have 4 channels" );
+
+ Color aColor;
+
+ aColor.SetRed ( toByteColor(rColor[0]) );
+ aColor.SetGreen( toByteColor(rColor[1]) );
+ aColor.SetBlue ( toByteColor(rColor[2]) );
+ // VCL's notion of alpha is different from the rest of the world's
+ aColor.SetTransparency( 255 - toByteColor(rColor[3]) );
+
+ return aColor;
+ }
+
+ uno::Sequence< double > colorToDoubleSequence(
+ const Color& rColor,
+ const uno::Reference< rendering::XColorSpace >& xColorSpace )
+ {
+ uno::Sequence<rendering::ARGBColor> aSeq(1);
+ aSeq[0] = rendering::ARGBColor(
+ 1.0-toDoubleColor(rColor.GetTransparency()),
+ toDoubleColor(rColor.GetRed()),
+ toDoubleColor(rColor.GetGreen()),
+ toDoubleColor(rColor.GetBlue()) );
+
+ return xColorSpace->convertFromARGB(aSeq);
+ }
+
+ Color doubleSequenceToColor(
+ const uno::Sequence< double >& rColor,
+ const uno::Reference< rendering::XColorSpace >& xColorSpace )
+ {
+ const rendering::ARGBColor aARGBColor(
+ xColorSpace->convertToARGB(rColor)[0]);
+
+ return Color( 255-toByteColor(aARGBColor.Alpha),
+ toByteColor(aARGBColor.Red),
+ toByteColor(aARGBColor.Green),
+ toByteColor(aARGBColor.Blue) );
+ }
+
+} // namespace canvas
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 23:16:26 +0000