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Diffstat (limited to 'vcl/source/helper/canvastools.cxx')
-rw-r--r-- | vcl/source/helper/canvastools.cxx | 837 |
1 files changed, 837 insertions, 0 deletions
diff --git a/vcl/source/helper/canvastools.cxx b/vcl/source/helper/canvastools.cxx new file mode 100644 index 000000000000..71c306ff9bbb --- /dev/null +++ b/vcl/source/helper/canvastools.cxx @@ -0,0 +1,837 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#include <rtl/logfile.hxx> +#include <cppuhelper/compbase1.hxx> + +#include <com/sun/star/geometry/RealSize2D.hpp> +#include <com/sun/star/geometry/RealPoint2D.hpp> +#include <com/sun/star/geometry/RealRectangle2D.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/geometry/RealBezierSegment2D.hpp> + +#include <com/sun/star/rendering/ColorSpaceType.hpp> +#include <com/sun/star/rendering/RenderingIntent.hpp> +#include <com/sun/star/rendering/XGraphicDevice.hpp> +#include <com/sun/star/rendering/XBitmap.hpp> +#include <com/sun/star/rendering/XPolyPolygon2D.hpp> +#include <com/sun/star/rendering/IntegerBitmapLayout.hpp> +#include <com/sun/star/rendering/XIntegerBitmap.hpp> +#include <com/sun/star/rendering/ColorComponentTag.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/vector/b2dsize.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/range/b2drectangle.hxx> +#include <basegfx/vector/b2isize.hxx> +#include <basegfx/point/b2ipoint.hxx> +#include <basegfx/range/b2irectangle.hxx> + +// #i79917# +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> + +#include <tools/poly.hxx> +#include <tools/diagnose_ex.h> +#include <rtl/uuid.h> + +#include <vcl/salbtype.hxx> +#include <vcl/bmpacc.hxx> +#include <vcl/bitmapex.hxx> + +#include <vcl/canvasbitmap.hxx> +#include <vcl/canvastools.hxx> +#include <hash_map> + + +using namespace ::com::sun::star; + +namespace vcl +{ + namespace unotools + { + // #i79917# removed helpers bezierSequenceFromPolygon and + // pointSequenceFromPolygon here + // Also all helpers using tools Polygon and PolyPolygon will get mapped to the + // B2DPolygon helpers for these cases, see comments with the same TaskID below. + // TODO: Remove those wrapped methods + + //--------------------------------------------------------------------------------------- + + uno::Reference< rendering::XPolyPolygon2D > xPolyPolygonFromPolygon( const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice, + const ::Polygon& inputPolygon ) + { + RTL_LOGFILE_CONTEXT( aLog, "::vcl::unotools::xPolyPolygonFromPolygon()" ); + + // #i79917# map to basegfx + const basegfx::B2DPolygon aB2DPolygon(inputPolygon.getB2DPolygon()); + return basegfx::unotools::xPolyPolygonFromB2DPolygon(xGraphicDevice, aB2DPolygon); + } + + //--------------------------------------------------------------------------------------- + + uno::Reference< rendering::XPolyPolygon2D > xPolyPolygonFromPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& xGraphicDevice, + const ::PolyPolygon& inputPolyPolygon ) + { + RTL_LOGFILE_CONTEXT( aLog, "::vcl::unotools::xPolyPolygonFromPolyPolygon()" ); + + // #i79917# map to basegfx + const basegfx::B2DPolyPolygon aB2DPolyPolygon(inputPolyPolygon.getB2DPolyPolygon()); + return basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(xGraphicDevice, aB2DPolyPolygon); + } + + //--------------------------------------------------------------------------------------- + + ::Polygon polygonFromPoint2DSequence( const uno::Sequence< geometry::RealPoint2D >& points ) + { + RTL_LOGFILE_CONTEXT( aLog, "::vcl::unotools::polygonFromPoint2DSequence()" ); + + const USHORT nCurrSize( sal::static_int_cast<USHORT>(points.getLength()) ); + + ::Polygon aPoly( nCurrSize ); + + USHORT nCurrPoint; + for( nCurrPoint=0; nCurrPoint<nCurrSize; ++nCurrPoint ) + aPoly[nCurrPoint] = pointFromRealPoint2D( points[nCurrPoint] ); + + return aPoly; + } + + //--------------------------------------------------------------------------------------- + + ::PolyPolygon polyPolygonFromPoint2DSequenceSequence( const uno::Sequence< uno::Sequence< geometry::RealPoint2D > >& points ) + { + RTL_LOGFILE_CONTEXT( aLog, "::vcl::unotools::polyPolygonFromPoint2DSequenceSequence()" ); + + ::PolyPolygon aRes; + + int nCurrPoly; + for( nCurrPoly=0; nCurrPoly<points.getLength(); ++nCurrPoly ) + { + aRes.Insert( polygonFromPoint2DSequence( points[nCurrPoly] ) ); + } + + return aRes; + } + + //--------------------------------------------------------------------------------------- + + ::Polygon polygonFromBezier2DSequence( const uno::Sequence< geometry::RealBezierSegment2D >& curves ) + { + // #i79917# map to basegfx + const basegfx::B2DPolygon aB2DPolygon(basegfx::unotools::polygonFromBezier2DSequence(curves)); + return ::Polygon(aB2DPolygon); + } + + //--------------------------------------------------------------------------------------- + + ::PolyPolygon polyPolygonFromBezier2DSequenceSequence( const uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > >& curves ) + { + // #i79917# map to basegfx + const basegfx::B2DPolyPolygon aB2DPolyPolygon(basegfx::unotools::polyPolygonFromBezier2DSequenceSequence(curves)); + return ::PolyPolygon(aB2DPolyPolygon); + } + + //--------------------------------------------------------------------------------------- + + uno::Reference< rendering::XBitmap > xBitmapFromBitmap( const uno::Reference< rendering::XGraphicDevice >& /*xGraphicDevice*/, + const ::Bitmap& inputBitmap ) + { + RTL_LOGFILE_CONTEXT( aLog, "::vcl::unotools::xBitmapFromBitmap()" ); + + return new vcl::unotools::VclCanvasBitmap( BitmapEx( inputBitmap ) ); + } + + //--------------------------------------------------------------------------------------- + + uno::Reference< rendering::XBitmap > xBitmapFromBitmapEx( const uno::Reference< rendering::XGraphicDevice >& /*xGraphicDevice*/, + const ::BitmapEx& inputBitmap ) + { + RTL_LOGFILE_CONTEXT( aLog, "::vcl::unotools::xBitmapFromBitmapEx()" ); + + return new vcl::unotools::VclCanvasBitmap( inputBitmap ); + } + + //--------------------------------------------------------------------------------------- + + const uno::Sequence< sal_Int8 > getTunnelIdentifier( TunnelIdentifierType eType ) + { + static std::hash_map< int, uno::Sequence< sal_Int8 > > aIds; + std::hash_map< int, uno::Sequence< sal_Int8 > >::iterator it = + aIds.find( eType ); + if( it == aIds.end() ) + { + uno::Sequence< sal_Int8 > aNewId( 16 ); + rtl_createUuid( (sal_uInt8*)aNewId.getArray(), NULL, sal_True ); + aIds[ eType ] = aNewId; + it = aIds.find( eType ); + } + return it->second; + } + + //--------------------------------------------------------------------------------------- + + namespace + { + inline bool operator==( 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, + ScopedBitmapWriteAccess& rWriteAcc, + ScopedBitmapWriteAccess& 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( !(aCurrLayout == rLayout) ) + return false; // re-read bmp from the start + + if( rAlphaAcc.get() ) + { + // 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->SetPixel( aRect.Y1, x, + (BYTE)rWriteAcc->GetBestPaletteIndex( + BitmapColor( toByteColor(rColor.Red), + toByteColor(rColor.Green), + toByteColor(rColor.Blue))) ); + rAlphaAcc->SetPixel( aRect.Y1, x, + BitmapColor( 255 - toByteColor(rColor.Alpha) )); + } + } + else + { + for( sal_Int32 x=0; x<nWidth; ++x ) + { + const rendering::ARGBColor& rColor=aARGBColors[x]; + rWriteAcc->SetPixel( aRect.Y1, x, + BitmapColor( toByteColor(rColor.Red), + toByteColor(rColor.Green), + toByteColor(rColor.Blue) )); + rAlphaAcc->SetPixel( aRect.Y1, 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->SetPixel( aRect.Y1, x, + (BYTE)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->SetPixel( aRect.Y1, x, + BitmapColor( toByteColor(rColor.Red), + toByteColor(rColor.Green), + toByteColor(rColor.Blue) )); + } + } + } + } + + return true; + } + } + + ::BitmapEx VCL_DLLPUBLIC bitmapExFromXBitmap( const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap ) + { + RTL_LOGFILE_CONTEXT( aLog, "::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.. + uno::Reference<rendering::XVolatileBitmap> xVolatileBitmap( + xInputBitmap, uno::UNO_QUERY); + + // 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 uno::Sequence<sal_Int32> aDepths( + aLayout.ColorSpace->getComponentBitCounts() ); + const sal_Int8* pStart(aTags.getConstArray()); + const sal_Size 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 USHORT nPaletteEntries( + sal::static_int_cast<USHORT>( + 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( USHORT 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<USHORT>(nDepth), + aLayout.Palette.is() ? &aPalette : NULL ); + ::Bitmap aAlpha; + if( nAlphaDepth ) + aAlpha = ::Bitmap( aPixelSize, + sal::static_int_cast<USHORT>(nAlphaDepth), + &::Bitmap::GetGreyPalette( + sal::static_int_cast<USHORT>(1L << nAlphaDepth)) ); + + { // limit scoped access + ScopedBitmapWriteAccess pWriteAccess( aBitmap.AcquireWriteAccess(), + aBitmap ); + ScopedBitmapWriteAccess pAlphaWriteAccess( nAlphaDepth ? aAlpha.AcquireWriteAccess() : NULL, + aAlpha ); + + ENSURE_OR_THROW(pWriteAccess.get() != NULL, + "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() ); + } + + geometry::RealPoint2D point2DFromPoint( const Point& rPoint ) + { + return geometry::RealPoint2D( rPoint.X(), + rPoint.Y() ); + } + + geometry::RealRectangle2D rectangle2DFromRectangle( const Rectangle& rRect ) + { + return geometry::RealRectangle2D( rRect.Left(), rRect.Top(), + rRect.Right(), rRect.Bottom() ); + } + + Size sizeFromRealSize2D( const geometry::RealSize2D& rSize ) + { + return Size( static_cast<long>(rSize.Width + .5), + static_cast<long>(rSize.Height + .5) ); + } + + Point pointFromRealPoint2D( const geometry::RealPoint2D& rPoint ) + { + return Point( static_cast<long>(rPoint.X + .5), + static_cast<long>(rPoint.Y + .5) ); + } + + Rectangle rectangleFromRealRectangle2D( const geometry::RealRectangle2D& rRect ) + { + return Rectangle( static_cast<long>(rRect.X1 + .5), + static_cast<long>(rRect.Y1 + .5), + static_cast<long>(rRect.X2 + .5), + static_cast<long>(rRect.Y2 + .5) ); + } + + ::Size sizeFromB2DSize( const ::basegfx::B2DVector& rVec ) + { + return ::Size( FRound( rVec.getX() ), + FRound( rVec.getY() ) ); + } + + ::Point pointFromB2DPoint( const ::basegfx::B2DPoint& rPoint ) + { + return ::Point( FRound( rPoint.getX() ), + FRound( rPoint.getY() ) ); + } + + ::Rectangle rectangleFromB2DRectangle( const ::basegfx::B2DRange& rRect ) + { + return ::Rectangle( FRound( rRect.getMinX() ), + FRound( rRect.getMinY() ), + FRound( rRect.getMaxX() ), + FRound( rRect.getMaxY() ) ); + } + + Size sizeFromB2ISize( const ::basegfx::B2IVector& rVec ) + { + return ::Size( rVec.getX(), + rVec.getY() ); + } + + Point pointFromB2IPoint( const ::basegfx::B2IPoint& rPoint ) + { + return ::Point( rPoint.getX(), + rPoint.getY() ); + } + + Rectangle rectangleFromB2IRectangle( const ::basegfx::B2IRange& rRect ) + { + return ::Rectangle( rRect.getMinX(), + rRect.getMinY(), + rRect.getMaxX(), + rRect.getMaxY() ); + } + + ::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 ::Rectangle& rRect ) + { + return ::basegfx::B2DRange( rRect.Left(), + rRect.Top(), + rRect.Right(), + rRect.Bottom() ); + } + + basegfx::B2IVector b2ISizeFromSize( const Size& rSize ) + { + return ::basegfx::B2IVector( rSize.Width(), + rSize.Height() ); + } + + basegfx::B2IPoint b2IPointFromPoint( const Point& rPoint ) + { + return ::basegfx::B2IPoint( rPoint.X(), + rPoint.Y() ); + } + + basegfx::B2IRange b2IRectangleFromRectangle( const Rectangle& rRect ) + { + return ::basegfx::B2IRange( rRect.Left(), + rRect.Top(), + rRect.Right(), + rRect.Bottom() ); + } + + geometry::IntegerSize2D integerSize2DFromSize( const Size& rSize ) + { + return geometry::IntegerSize2D( rSize.Width(), + rSize.Height() ); + } + + geometry::IntegerPoint2D integerPoint2DFromPoint( const Point& rPoint ) + { + return geometry::IntegerPoint2D( rPoint.X(), + rPoint.Y() ); + } + + geometry::IntegerRectangle2D integerRectangle2DFromRectangle( const Rectangle& rRectangle ) + { + return geometry::IntegerRectangle2D( rRectangle.Left(), rRectangle.Top(), + rRectangle.Right(), rRectangle.Bottom() ); + } + + Size sizeFromIntegerSize2D( const geometry::IntegerSize2D& rSize ) + { + return Size( rSize.Width, + rSize.Height ); + } + + Point pointFromIntegerPoint2D( const geometry::IntegerPoint2D& rPoint ) + { + return Point( rPoint.X, + rPoint.Y ); + } + + Rectangle rectangleFromIntegerRectangle2D( const geometry::IntegerRectangle2D& rRectangle ) + { + return Rectangle( rRectangle.X1, rRectangle.Y1, + rRectangle.X2, rRectangle.Y2 ); + } + + namespace + { + class StandardColorSpace : public cppu::WeakImplHelper1< com::sun::star::rendering::XColorSpace > + { + private: + uno::Sequence< sal_Int8 > m_aComponentTags; + + virtual ::sal_Int8 SAL_CALL getType( ) throw (uno::RuntimeException) + { + return rendering::ColorSpaceType::RGB; + } + virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) throw (uno::RuntimeException) + { + return m_aComponentTags; + } + virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) throw (uno::RuntimeException) + { + return rendering::RenderingIntent::PERCEPTUAL; + } + virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) throw (uno::RuntimeException) + { + return uno::Sequence< beans::PropertyValue >(); + } + virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor, + const uno::Reference< rendering::XColorSpace >& targetColorSpace ) throw (lang::IllegalArgumentException, + uno::RuntimeException) + { + // 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 ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const double* pIn( deviceColor.getConstArray() ); + const sal_Size 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( sal_Size 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 ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const double* pIn( deviceColor.getConstArray() ); + const sal_Size 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( sal_Size 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 ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const double* pIn( deviceColor.getConstArray() ); + const sal_Size 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( sal_Size 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 ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const rendering::RGBColor* pIn( rgbColor.getConstArray() ); + const sal_Size nLen( rgbColor.getLength() ); + + uno::Sequence< double > aRes(nLen*4); + double* pColors=aRes.getArray(); + for( sal_Size i=0; i<nLen; ++i ) + { + *pColors++ = pIn->Red; + *pColors++ = pIn->Green; + *pColors++ = pIn->Blue; + *pColors++ = 1.0; + ++pIn; + } + return aRes; + } + virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const rendering::ARGBColor* pIn( rgbColor.getConstArray() ); + const sal_Size nLen( rgbColor.getLength() ); + + uno::Sequence< double > aRes(nLen*4); + double* pColors=aRes.getArray(); + for( sal_Size i=0; i<nLen; ++i ) + { + *pColors++ = pIn->Red; + *pColors++ = pIn->Green; + *pColors++ = pIn->Blue; + *pColors++ = pIn->Alpha; + ++pIn; + } + return aRes; + } + virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const rendering::ARGBColor* pIn( rgbColor.getConstArray() ); + const sal_Size nLen( rgbColor.getLength() ); + + uno::Sequence< double > aRes(nLen*4); + double* pColors=aRes.getArray(); + for( sal_Size i=0; i<nLen; ++i ) + { + *pColors++ = pIn->Red/pIn->Alpha; + *pColors++ = pIn->Green/pIn->Alpha; + *pColors++ = pIn->Blue/pIn->Alpha; + *pColors++ = pIn->Alpha; + ++pIn; + } + 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> VCL_DLLPUBLIC 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 > VCL_DLLPUBLIC 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 VCL_DLLPUBLIC doubleSequenceToColor( + const uno::Sequence< double > rColor, + const uno::Reference< rendering::XColorSpace >& xColorSpace ) + { + const rendering::ARGBColor& rARGBColor( + xColorSpace->convertToARGB(rColor)[0]); + + return Color( 255-toByteColor(rARGBColor.Alpha), + toByteColor(rARGBColor.Red), + toByteColor(rARGBColor.Green), + toByteColor(rARGBColor.Blue) ); + } + + //--------------------------------------------------------------------------------------- + + } // namespace vcltools + +} // namespace canvas + +// eof |