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Diffstat (limited to 'canvas/source/tools/canvastools.cxx')
-rw-r--r-- | canvas/source/tools/canvastools.cxx | 1047 |
1 files changed, 1047 insertions, 0 deletions
diff --git a/canvas/source/tools/canvastools.cxx b/canvas/source/tools/canvastools.cxx new file mode 100644 index 000000000000..c5571b41b82a --- /dev/null +++ b/canvas/source/tools/canvastools.cxx @@ -0,0 +1,1047 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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_canvas.hxx" + +#include <canvas/debug.hxx> +#include <tools/diagnose_ex.h> + +#include <com/sun/star/geometry/AffineMatrix2D.hpp> +#include <com/sun/star/geometry/Matrix2D.hpp> +#include <com/sun/star/awt/Rectangle.hpp> +#include <com/sun/star/util/Endianness.hpp> +#include <com/sun/star/rendering/XIntegerBitmapColorSpace.hpp> +#include <com/sun/star/rendering/IntegerBitmapLayout.hpp> +#include <com/sun/star/rendering/ColorSpaceType.hpp> +#include <com/sun/star/rendering/ColorComponentTag.hpp> +#include <com/sun/star/rendering/RenderingIntent.hpp> +#include <com/sun/star/rendering/RenderState.hpp> +#include <com/sun/star/rendering/ViewState.hpp> +#include <com/sun/star/rendering/XCanvas.hpp> +#include <com/sun/star/rendering/XColorSpace.hpp> +#include <com/sun/star/rendering/CompositeOperation.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/range/b2irange.hxx> +#include <basegfx/range/b2drectangle.hxx> +#include <basegfx/point/b2dpoint.hxx> +#include <basegfx/point/b2ipoint.hxx> +#include <basegfx/vector/b2ivector.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +#include <cppuhelper/compbase1.hxx> +#include <rtl/instance.hxx> +#include <toolkit/helper/vclunohelper.hxx> +#include <vcl/window.hxx> +#include <vcl/canvastools.hxx> + +#include <canvas/canvastools.hxx> + +#include <limits> + + +using namespace ::com::sun::star; + +namespace com { namespace sun { namespace star { namespace rendering +{ + bool operator==( const RenderState& renderState1, + const RenderState& renderState2 ) + { + if( renderState1.Clip != renderState2.Clip ) + return false; + + if( renderState1.DeviceColor != renderState2.DeviceColor ) + return false; + + if( renderState1.CompositeOperation != renderState2.CompositeOperation ) + return false; + + ::basegfx::B2DHomMatrix mat1, mat2; + ::canvas::tools::getRenderStateTransform( mat1, renderState1 ); + ::canvas::tools::getRenderStateTransform( mat2, renderState2 ); + if( mat1 != mat2 ) + return false; + + return true; + } + + bool operator==( const ViewState& viewState1, + const ViewState& viewState2 ) + { + if( viewState1.Clip != viewState2.Clip ) + return false; + + ::basegfx::B2DHomMatrix mat1, mat2; + ::canvas::tools::getViewStateTransform( mat1, viewState1 ); + ::canvas::tools::getViewStateTransform( mat2, viewState2 ); + if( mat1 != mat2 ) + return false; + + return true; + } +}}}} + +namespace canvas +{ + namespace tools + { + geometry::RealSize2D createInfiniteSize2D() + { + return geometry::RealSize2D( + ::std::numeric_limits<double>::infinity(), + ::std::numeric_limits<double>::infinity() ); + } + + rendering::RenderState& initRenderState( rendering::RenderState& renderState ) + { + // setup identity transform + setIdentityAffineMatrix2D( renderState.AffineTransform ); + renderState.Clip = uno::Reference< rendering::XPolyPolygon2D >(); + renderState.DeviceColor = uno::Sequence< double >(); + renderState.CompositeOperation = rendering::CompositeOperation::OVER; + + return renderState; + } + + rendering::ViewState& initViewState( rendering::ViewState& viewState ) + { + // setup identity transform + setIdentityAffineMatrix2D( viewState.AffineTransform ); + viewState.Clip = uno::Reference< rendering::XPolyPolygon2D >(); + + return viewState; + } + + ::basegfx::B2DHomMatrix& getViewStateTransform( ::basegfx::B2DHomMatrix& transform, + const rendering::ViewState& viewState ) + { + return ::basegfx::unotools::homMatrixFromAffineMatrix( transform, viewState.AffineTransform ); + } + + rendering::ViewState& setViewStateTransform( rendering::ViewState& viewState, + const ::basegfx::B2DHomMatrix& transform ) + { + ::basegfx::unotools::affineMatrixFromHomMatrix( viewState.AffineTransform, transform ); + + return viewState; + } + + ::basegfx::B2DHomMatrix& getRenderStateTransform( ::basegfx::B2DHomMatrix& transform, + const rendering::RenderState& renderState ) + { + return ::basegfx::unotools::homMatrixFromAffineMatrix( transform, renderState.AffineTransform ); + } + + rendering::RenderState& setRenderStateTransform( rendering::RenderState& renderState, + const ::basegfx::B2DHomMatrix& transform ) + { + ::basegfx::unotools::affineMatrixFromHomMatrix( renderState.AffineTransform, transform ); + + return renderState; + } + + rendering::RenderState& appendToRenderState( rendering::RenderState& renderState, + const ::basegfx::B2DHomMatrix& rTransform ) + { + ::basegfx::B2DHomMatrix transform; + + getRenderStateTransform( transform, renderState ); + return setRenderStateTransform( renderState, transform * rTransform ); + } + + rendering::ViewState& appendToViewState( rendering::ViewState& viewState, + const ::basegfx::B2DHomMatrix& rTransform ) + { + ::basegfx::B2DHomMatrix transform; + + getViewStateTransform( transform, viewState ); + return setViewStateTransform( viewState, transform * rTransform ); + } + + rendering::RenderState& prependToRenderState( rendering::RenderState& renderState, + const ::basegfx::B2DHomMatrix& rTransform ) + { + ::basegfx::B2DHomMatrix transform; + + getRenderStateTransform( transform, renderState ); + return setRenderStateTransform( renderState, rTransform * transform ); + } + + rendering::ViewState& prependToViewState( rendering::ViewState& viewState, + const ::basegfx::B2DHomMatrix& rTransform ) + { + ::basegfx::B2DHomMatrix transform; + + getViewStateTransform( transform, viewState ); + return setViewStateTransform( viewState, rTransform * transform ); + } + + ::basegfx::B2DHomMatrix& mergeViewAndRenderTransform( ::basegfx::B2DHomMatrix& combinedTransform, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState ) + { + ::basegfx::B2DHomMatrix viewTransform; + + ::basegfx::unotools::homMatrixFromAffineMatrix( combinedTransform, renderState.AffineTransform ); + ::basegfx::unotools::homMatrixFromAffineMatrix( viewTransform, viewState.AffineTransform ); + + // this statement performs combinedTransform = viewTransform * combinedTransform + combinedTransform *= viewTransform; + + return combinedTransform; + } + + rendering::ViewState& mergeViewAndRenderState( rendering::ViewState& resultViewState, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState, + const uno::Reference< rendering::XCanvas >& /*xCanvas*/ ) + { + ::basegfx::B2DHomMatrix aTmpMatrix; + geometry::AffineMatrix2D convertedMatrix; + + resultViewState.Clip = NULL; // TODO(F2): intersect clippings + + return setViewStateTransform( + resultViewState, + mergeViewAndRenderTransform( aTmpMatrix, + viewState, + renderState ) ); + } + + geometry::AffineMatrix2D& setIdentityAffineMatrix2D( geometry::AffineMatrix2D& matrix ) + { + matrix.m00 = 1.0; + matrix.m01 = 0.0; + matrix.m02 = 0.0; + matrix.m10 = 0.0; + matrix.m11 = 1.0; + matrix.m12 = 0.0; + + return matrix; + } + + geometry::Matrix2D& setIdentityMatrix2D( geometry::Matrix2D& matrix ) + { + matrix.m00 = 1.0; + matrix.m01 = 0.0; + matrix.m10 = 0.0; + matrix.m11 = 1.0; + + return matrix; + } + + namespace + { + class StandardColorSpace : public cppu::WeakImplHelper1< com::sun::star::rendering::XIntegerBitmapColorSpace > + { + private: + uno::Sequence< sal_Int8 > maComponentTags; + uno::Sequence< sal_Int32 > maBitCounts; + + 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 maComponentTags; + } + 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; + } + + // XIntegerBitmapColorSpace + virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) throw (uno::RuntimeException) + { + return 32; + } + virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) throw (uno::RuntimeException) + { + return maBitCounts; + } + virtual ::sal_Int8 SAL_CALL getEndianness( ) throw (uno::RuntimeException) + { + return util::Endianness::LITTLE; + } + virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor, + const uno::Reference< rendering::XColorSpace >& targetColorSpace ) throw (lang::IllegalArgumentException, + uno::RuntimeException) + { + if( dynamic_cast<StandardColorSpace*>(targetColorSpace.get()) ) + { + const sal_Int8* 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<double> aRes(nLen); + double* pOut( aRes.getArray() ); + for( sal_Size i=0; i<nLen; i+=4 ) + { + *pOut++ = vcl::unotools::toDoubleColor(*pIn++); + *pOut++ = vcl::unotools::toDoubleColor(*pIn++); + *pOut++ = vcl::unotools::toDoubleColor(*pIn++); + *pOut++ = vcl::unotools::toDoubleColor(255-*pIn++); + } + return aRes; + } + else + { + // TODO(P3): if we know anything about target + // colorspace, this can be greatly sped up + uno::Sequence<rendering::ARGBColor> aIntermediate( + convertIntegerToARGB(deviceColor)); + return targetColorSpace->convertFromARGB(aIntermediate); + } + } + virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertToIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor, + const uno::Reference< rendering::XIntegerBitmapColorSpace >& targetColorSpace ) throw (lang::IllegalArgumentException, + uno::RuntimeException) + { + if( dynamic_cast<StandardColorSpace*>(targetColorSpace.get()) ) + { + // it's us, so simply pass-through the data + return deviceColor; + } + else + { + // TODO(P3): if we know anything about target + // colorspace, this can be greatly sped up + uno::Sequence<rendering::ARGBColor> aIntermediate( + convertIntegerToARGB(deviceColor)); + return targetColorSpace->convertIntegerFromARGB(aIntermediate); + } + } + virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertIntegerToRGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const sal_Int8* 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( + vcl::unotools::toDoubleColor(pIn[0]), + vcl::unotools::toDoubleColor(pIn[1]), + vcl::unotools::toDoubleColor(pIn[2])); + pIn += 4; + } + return aRes; + } + + virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const sal_Int8* 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( + vcl::unotools::toDoubleColor(255-pIn[3]), + vcl::unotools::toDoubleColor(pIn[0]), + vcl::unotools::toDoubleColor(pIn[1]), + vcl::unotools::toDoubleColor(pIn[2])); + pIn += 4; + } + return aRes; + } + + virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertIntegerToPARGB( const uno::Sequence< ::sal_Int8 >& deviceColor ) throw (lang::IllegalArgumentException, uno::RuntimeException) + { + const sal_Int8* 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 ) + { + const sal_Int8 nAlpha( 255-pIn[3] ); + *pOut++ = rendering::ARGBColor( + vcl::unotools::toDoubleColor(nAlpha), + vcl::unotools::toDoubleColor(nAlpha*pIn[0]), + vcl::unotools::toDoubleColor(nAlpha*pIn[1]), + vcl::unotools::toDoubleColor(nAlpha*pIn[2])); + pIn += 4; + } + return aRes; + } + + virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( 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< sal_Int8 > aRes(nLen*4); + sal_Int8* pColors=aRes.getArray(); + for( sal_Size i=0; i<nLen; ++i ) + { + *pColors++ = vcl::unotools::toByteColor(pIn->Red); + *pColors++ = vcl::unotools::toByteColor(pIn->Green); + *pColors++ = vcl::unotools::toByteColor(pIn->Blue); + *pColors++ = 0; + ++pIn; + } + return aRes; + } + + virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( 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< sal_Int8 > aRes(nLen*4); + sal_Int8* pColors=aRes.getArray(); + for( sal_Size i=0; i<nLen; ++i ) + { + *pColors++ = vcl::unotools::toByteColor(pIn->Red); + *pColors++ = vcl::unotools::toByteColor(pIn->Green); + *pColors++ = vcl::unotools::toByteColor(pIn->Blue); + *pColors++ = 255-vcl::unotools::toByteColor(pIn->Alpha); + ++pIn; + } + return aRes; + } + + virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( 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< sal_Int8 > aRes(nLen*4); + sal_Int8* pColors=aRes.getArray(); + for( sal_Size i=0; i<nLen; ++i ) + { + *pColors++ = vcl::unotools::toByteColor(pIn->Red/pIn->Alpha); + *pColors++ = vcl::unotools::toByteColor(pIn->Green/pIn->Alpha); + *pColors++ = vcl::unotools::toByteColor(pIn->Blue/pIn->Alpha); + *pColors++ = 255-vcl::unotools::toByteColor(pIn->Alpha); + ++pIn; + } + return aRes; + } + + public: + StandardColorSpace() : + maComponentTags(4), + maBitCounts(4) + { + sal_Int8* pTags = maComponentTags.getArray(); + sal_Int32* pBitCounts = maBitCounts.getArray(); + pTags[0] = rendering::ColorComponentTag::RGB_RED; + pTags[1] = rendering::ColorComponentTag::RGB_GREEN; + pTags[2] = rendering::ColorComponentTag::RGB_BLUE; + pTags[3] = rendering::ColorComponentTag::ALPHA; + + pBitCounts[0] = + pBitCounts[1] = + pBitCounts[2] = + pBitCounts[3] = 8; + } + }; + + struct StandardColorSpaceHolder : public rtl::StaticWithInit<uno::Reference<rendering::XIntegerBitmapColorSpace>, + StandardColorSpaceHolder> + { + uno::Reference<rendering::XIntegerBitmapColorSpace> operator()() + { + return new StandardColorSpace(); + } + }; + } + + uno::Reference<rendering::XIntegerBitmapColorSpace> getStdColorSpace() + { + return StandardColorSpaceHolder::get(); + } + + rendering::IntegerBitmapLayout getStdMemoryLayout( const geometry::IntegerSize2D& rBmpSize ) + { + rendering::IntegerBitmapLayout aLayout; + + aLayout.ScanLines = rBmpSize.Height; + aLayout.ScanLineBytes = rBmpSize.Width*4; + aLayout.ScanLineStride = aLayout.ScanLineBytes; + aLayout.PlaneStride = 0; + aLayout.ColorSpace = getStdColorSpace(); + aLayout.Palette.clear(); + aLayout.IsMsbFirst = sal_False; + + return aLayout; + } + + ::Color stdIntSequenceToColor( const uno::Sequence<sal_Int8>& rColor ) + { +#ifdef OSL_BIGENDIAN + const sal_Int8* pCols( rColor.getConstArray() ); + return ::Color( pCols[3], pCols[0], pCols[1], pCols[2] ); +#else + return ::Color( *reinterpret_cast< const ::ColorData* >(rColor.getConstArray()) ); +#endif + } + + uno::Sequence<sal_Int8> colorToStdIntSequence( const ::Color& rColor ) + { + uno::Sequence<sal_Int8> aRet(4); + sal_Int8* pCols( aRet.getArray() ); +#ifdef OSL_BIGENDIAN + pCols[0] = rColor.GetRed(); + pCols[1] = rColor.GetGreen(); + pCols[2] = rColor.GetBlue(); + pCols[3] = 255-rColor.GetTransparency(); +#else + *reinterpret_cast<sal_Int32*>(pCols) = rColor.GetColor(); +#endif + return aRet; + } + + // Create a corrected view transformation out of the give one, + // which ensures that the rectangle given by (0,0) and + // rSpriteSize is mapped with its left,top corner to (0,0) + // again. This is required to properly render sprite + // animations to buffer bitmaps. + ::basegfx::B2DHomMatrix& calcRectToOriginTransform( ::basegfx::B2DHomMatrix& o_transform, + const ::basegfx::B2DRange& i_srcRect, + const ::basegfx::B2DHomMatrix& i_transformation ) + { + if( i_srcRect.isEmpty() ) + return o_transform=i_transformation; + + // transform by given transformation + ::basegfx::B2DRectangle aTransformedRect; + + calcTransformedRectBounds( aTransformedRect, + i_srcRect, + i_transformation ); + + // now move resulting left,top point of bounds to (0,0) + const basegfx::B2DHomMatrix aCorrectedTransform(basegfx::tools::createTranslateB2DHomMatrix( + -aTransformedRect.getMinX(), -aTransformedRect.getMinY())); + + // prepend to original transformation + o_transform = aCorrectedTransform * i_transformation; + + return o_transform; + } + + ::basegfx::B2DRange& calcTransformedRectBounds( ::basegfx::B2DRange& outRect, + const ::basegfx::B2DRange& inRect, + const ::basegfx::B2DHomMatrix& transformation ) + { + outRect.reset(); + + if( inRect.isEmpty() ) + return outRect; + + // transform all four extremal points of the rectangle, + // take bounding rect of those. + + // transform left-top point + outRect.expand( transformation * inRect.getMinimum() ); + + // transform bottom-right point + outRect.expand( transformation * inRect.getMaximum() ); + + ::basegfx::B2DPoint aPoint; + + // transform top-right point + aPoint.setX( inRect.getMaxX() ); + aPoint.setY( inRect.getMinY() ); + + aPoint *= transformation; + outRect.expand( aPoint ); + + // transform bottom-left point + aPoint.setX( inRect.getMinX() ); + aPoint.setY( inRect.getMaxY() ); + + aPoint *= transformation; + outRect.expand( aPoint ); + + // over and out. + return outRect; + } + + ::basegfx::B2DHomMatrix& calcRectToRectTransform( ::basegfx::B2DHomMatrix& o_transform, + const ::basegfx::B2DRange& destRect, + const ::basegfx::B2DRange& srcRect, + const ::basegfx::B2DHomMatrix& transformation ) + { + if( srcRect.isEmpty() || + destRect.isEmpty() ) + { + return o_transform=transformation; + } + + // transform inputRect by transformation + ::basegfx::B2DRectangle aTransformedRect; + calcTransformedRectBounds( aTransformedRect, + srcRect, + transformation ); + + // now move resulting left,top point of bounds to (0,0) + basegfx::B2DHomMatrix aCorrectedTransform(basegfx::tools::createTranslateB2DHomMatrix( + -aTransformedRect.getMinX(), -aTransformedRect.getMinY())); + + // scale to match outRect + const double xDenom( aTransformedRect.getWidth() ); + const double yDenom( aTransformedRect.getHeight() ); + if( xDenom != 0.0 && yDenom != 0.0 ) + aCorrectedTransform.scale( destRect.getWidth() / xDenom, + destRect.getHeight() / yDenom ); + // TODO(E2): error handling + + // translate to final position + aCorrectedTransform.translate( destRect.getMinX(), + destRect.getMinY() ); + + ::basegfx::B2DHomMatrix transform( transformation ); + o_transform = aCorrectedTransform * transform; + + return o_transform; + } + + bool isInside( const ::basegfx::B2DRange& rContainedRect, + const ::basegfx::B2DRange& rTransformRect, + const ::basegfx::B2DHomMatrix& rTransformation ) + { + if( rContainedRect.isEmpty() || rTransformRect.isEmpty() ) + return false; + + ::basegfx::B2DPolygon aPoly( + ::basegfx::tools::createPolygonFromRect( rTransformRect ) ); + aPoly.transform( rTransformation ); + + return ::basegfx::tools::isInside( aPoly, + ::basegfx::tools::createPolygonFromRect( + rContainedRect ), + true ); + } + + namespace + { + bool clipAreaImpl( ::basegfx::B2IRange* o_pDestArea, + ::basegfx::B2IRange& io_rSourceArea, + ::basegfx::B2IPoint& io_rDestPoint, + const ::basegfx::B2IRange& rSourceBounds, + const ::basegfx::B2IRange& rDestBounds ) + { + const ::basegfx::B2IPoint aSourceTopLeft( + io_rSourceArea.getMinimum() ); + + ::basegfx::B2IRange aLocalSourceArea( io_rSourceArea ); + + // clip source area (which must be inside rSourceBounds) + aLocalSourceArea.intersect( rSourceBounds ); + + if( aLocalSourceArea.isEmpty() ) + return false; + + // calc relative new source area points (relative to orig + // source area) + const ::basegfx::B2IVector aUpperLeftOffset( + aLocalSourceArea.getMinimum()-aSourceTopLeft ); + const ::basegfx::B2IVector aLowerRightOffset( + aLocalSourceArea.getMaximum()-aSourceTopLeft ); + + ::basegfx::B2IRange aLocalDestArea( io_rDestPoint + aUpperLeftOffset, + io_rDestPoint + aLowerRightOffset ); + + // clip dest area (which must be inside rDestBounds) + aLocalDestArea.intersect( rDestBounds ); + + if( aLocalDestArea.isEmpty() ) + return false; + + // calc relative new dest area points (relative to orig + // source area) + const ::basegfx::B2IVector aDestUpperLeftOffset( + aLocalDestArea.getMinimum()-io_rDestPoint ); + const ::basegfx::B2IVector aDestLowerRightOffset( + aLocalDestArea.getMaximum()-io_rDestPoint ); + + io_rSourceArea = ::basegfx::B2IRange( aSourceTopLeft + aDestUpperLeftOffset, + aSourceTopLeft + aDestLowerRightOffset ); + io_rDestPoint = aLocalDestArea.getMinimum(); + + if( o_pDestArea ) + *o_pDestArea = aLocalDestArea; + + return true; + } + } + + bool clipScrollArea( ::basegfx::B2IRange& io_rSourceArea, + ::basegfx::B2IPoint& io_rDestPoint, + ::std::vector< ::basegfx::B2IRange >& o_ClippedAreas, + const ::basegfx::B2IRange& rBounds ) + { + ::basegfx::B2IRange aResultingDestArea; + + // compute full destination area (to determine uninitialized + // areas below) + const ::basegfx::B2I64Tuple& rRange( io_rSourceArea.getRange() ); + ::basegfx::B2IRange aInputDestArea( io_rDestPoint.getX(), + io_rDestPoint.getY(), + (io_rDestPoint.getX() + + static_cast<sal_Int32>(rRange.getX())), + (io_rDestPoint.getY() + + static_cast<sal_Int32>(rRange.getY())) ); + // limit to output area (no point updating outside of it) + aInputDestArea.intersect( rBounds ); + + // clip to rBounds + if( !clipAreaImpl( &aResultingDestArea, + io_rSourceArea, + io_rDestPoint, + rBounds, + rBounds ) ) + return false; + + // finally, compute all areas clipped off the total + // destination area. + ::basegfx::computeSetDifference( o_ClippedAreas, + aInputDestArea, + aResultingDestArea ); + + return true; + } + + bool clipBlit( ::basegfx::B2IRange& io_rSourceArea, + ::basegfx::B2IPoint& io_rDestPoint, + const ::basegfx::B2IRange& rSourceBounds, + const ::basegfx::B2IRange& rDestBounds ) + { + return clipAreaImpl( NULL, + io_rSourceArea, + io_rDestPoint, + rSourceBounds, + rDestBounds ); + } + + ::basegfx::B2IRange spritePixelAreaFromB2DRange( const ::basegfx::B2DRange& rRange ) + { + if( rRange.isEmpty() ) + return ::basegfx::B2IRange(); + + const ::basegfx::B2IPoint aTopLeft( ::basegfx::fround( rRange.getMinX() ), + ::basegfx::fround( rRange.getMinY() ) ); + return ::basegfx::B2IRange( aTopLeft, + aTopLeft + ::basegfx::B2IPoint( + ::basegfx::fround( rRange.getWidth() ), + ::basegfx::fround( rRange.getHeight() ) ) ); + } + + uno::Sequence< uno::Any >& getDeviceInfo( const uno::Reference< rendering::XCanvas >& i_rxCanvas, + uno::Sequence< uno::Any >& o_rxParams ) + { + o_rxParams.realloc( 0 ); + + if( i_rxCanvas.is() ) + { + try + { + uno::Reference< rendering::XGraphicDevice > xDevice( i_rxCanvas->getDevice(), + uno::UNO_QUERY_THROW ); + + uno::Reference< lang::XServiceInfo > xServiceInfo( xDevice, + uno::UNO_QUERY_THROW ); + uno::Reference< beans::XPropertySet > xPropSet( xDevice, + uno::UNO_QUERY_THROW ); + + o_rxParams.realloc( 2 ); + + o_rxParams[ 0 ] = uno::makeAny( xServiceInfo->getImplementationName() ); + o_rxParams[ 1 ] = uno::makeAny( xPropSet->getPropertyValue( + ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("DeviceHandle") ) ) ); + } + catch( uno::Exception& ) + { + // ignore, but return empty sequence + } + } + + return o_rxParams; + } + + awt::Rectangle getAbsoluteWindowRect( const awt::Rectangle& rRect, + const uno::Reference< awt::XWindow2 >& xWin ) + { + awt::Rectangle aRetVal( rRect ); + + ::Window* pWindow = VCLUnoHelper::GetWindow(xWin); + if( pWindow ) + { + ::Point aPoint( aRetVal.X, + aRetVal.Y ); + + aPoint = pWindow->OutputToScreenPixel( aPoint ); + + aRetVal.X = aPoint.X(); + aRetVal.Y = aPoint.Y(); + } + + return aRetVal; + } + + ::basegfx::B2DPolyPolygon getBoundMarksPolyPolygon( const ::basegfx::B2DRange& rRange ) + { + ::basegfx::B2DPolyPolygon aPolyPoly; + ::basegfx::B2DPolygon aPoly; + + const double nX0( rRange.getMinX() ); + const double nY0( rRange.getMinY() ); + const double nX1( rRange.getMaxX() ); + const double nY1( rRange.getMaxY() ); + + aPoly.append( ::basegfx::B2DPoint( nX0+4, + nY0 ) ); + aPoly.append( ::basegfx::B2DPoint( nX0, + nY0 ) ); + aPoly.append( ::basegfx::B2DPoint( nX0, + nY0+4 ) ); + aPolyPoly.append( aPoly ); aPoly.clear(); + + aPoly.append( ::basegfx::B2DPoint( nX1-4, + nY0 ) ); + aPoly.append( ::basegfx::B2DPoint( nX1, + nY0 ) ); + aPoly.append( ::basegfx::B2DPoint( nX1, + nY0+4 ) ); + aPolyPoly.append( aPoly ); aPoly.clear(); + + aPoly.append( ::basegfx::B2DPoint( nX0+4, + nY1 ) ); + aPoly.append( ::basegfx::B2DPoint( nX0, + nY1 ) ); + aPoly.append( ::basegfx::B2DPoint( nX0, + nY1-4 ) ); + aPolyPoly.append( aPoly ); aPoly.clear(); + + aPoly.append( ::basegfx::B2DPoint( nX1-4, + nY1 ) ); + aPoly.append( ::basegfx::B2DPoint( nX1, + nY1 ) ); + aPoly.append( ::basegfx::B2DPoint( nX1, + nY1-4 ) ); + aPolyPoly.append( aPoly ); + + return aPolyPoly; + } + + int calcGradientStepCount( ::basegfx::B2DHomMatrix& rTotalTransform, + const rendering::ViewState& viewState, + const rendering::RenderState& renderState, + const rendering::Texture& texture, + int nColorSteps ) + { + // calculate overall texture transformation (directly from + // texture to device space). + ::basegfx::B2DHomMatrix aMatrix; + + rTotalTransform.identity(); + ::basegfx::unotools::homMatrixFromAffineMatrix( rTotalTransform, + texture.AffineTransform ); + ::canvas::tools::mergeViewAndRenderTransform(aMatrix, + viewState, + renderState); + rTotalTransform *= aMatrix; // prepend total view/render transformation + + // determine size of gradient in device coordinate system + // (to e.g. determine sensible number of gradient steps) + ::basegfx::B2DPoint aLeftTop( 0.0, 0.0 ); + ::basegfx::B2DPoint aLeftBottom( 0.0, 1.0 ); + ::basegfx::B2DPoint aRightTop( 1.0, 0.0 ); + ::basegfx::B2DPoint aRightBottom( 1.0, 1.0 ); + + aLeftTop *= rTotalTransform; + aLeftBottom *= rTotalTransform; + aRightTop *= rTotalTransform; + aRightBottom*= rTotalTransform; + + // longest line in gradient bound rect + const int nGradientSize( + static_cast<int>( + ::std::max( + ::basegfx::B2DVector(aRightBottom-aLeftTop).getLength(), + ::basegfx::B2DVector(aRightTop-aLeftBottom).getLength() ) + 1.0 ) ); + + // typical number for pixel of the same color (strip size) + const int nStripSize( nGradientSize < 50 ? 2 : 4 ); + + // use at least three steps, and at utmost the number of color + // steps + return ::std::max( 3, + ::std::min( + nGradientSize / nStripSize, + nColorSteps ) ); + } + + } // namespace tools + +} // namespace canvas + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |