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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 <sal/config.h>
+
+#include <limits>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/point/b2ipoint.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/range/b2irange.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/vector/b2ivector.hxx>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <com/sun/star/awt/XWindow2.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/geometry/AffineMatrix2D.hpp>
+#include <com/sun/star/geometry/Matrix2D.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/ColorComponentTag.hpp>
+#include <com/sun/star/rendering/ColorSpaceType.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/RenderingIntent.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/XIntegerBitmapColorSpace.hpp>
+#include <com/sun/star/util/Endianness.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <sal/log.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/canvastools.hxx>
+#include <vcl/window.hxx>
+
+#include <canvas/canvastools.hxx>
+
+
+using namespace ::com::sun::star;
+
+namespace canvas::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.clear();
+ 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.clear();
+
+ 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::RenderState& prependToRenderState( rendering::RenderState& renderState,
+ const ::basegfx::B2DHomMatrix& rTransform )
+ {
+ ::basegfx::B2DHomMatrix transform;
+
+ getRenderStateTransform( transform, renderState );
+ return setRenderStateTransform( renderState, 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;
+ }
+
+ 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::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
+ {
+ private:
+ uno::Sequence< sal_Int8 > maComponentTags;
+ uno::Sequence< sal_Int32 > maBitCounts;
+
+ virtual ::sal_Int8 SAL_CALL getType( ) override
+ {
+ return rendering::ColorSpaceType::RGB;
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
+ {
+ return maComponentTags;
+ }
+ 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
+ {
+ SAL_WARN_IF(!deviceColor.hasElements(), "canvas", "empty deviceColor argument");
+ 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 rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t 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 ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t 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 ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t 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( ) override
+ {
+ return 32;
+ }
+ virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
+ {
+ return maBitCounts;
+ }
+ virtual ::sal_Int8 SAL_CALL getEndianness( ) override
+ {
+ return util::Endianness::LITTLE;
+ }
+ virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<StandardColorSpace*>(targetColorSpace.get()) )
+ {
+ const sal_Int8* 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<double> aRes(nLen);
+ double* pOut( aRes.getArray() );
+ for( std::size_t 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(*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 ) override
+ {
+ 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 ) override
+ {
+ const sal_Int8* 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(
+ 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 ) override
+ {
+ const sal_Int8* 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(
+ vcl::unotools::toDoubleColor(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 ) override
+ {
+ const sal_Int8* 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 )
+ {
+ const sal_Int8 nAlpha( 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 ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t 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 ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Alpha);
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t 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++ = 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;
+ }
+ };
+
+ class StandardNoAlphaColorSpace : public cppu::WeakImplHelper< css::rendering::XIntegerBitmapColorSpace >
+ {
+ private:
+ uno::Sequence< sal_Int8 > maComponentTags;
+ uno::Sequence< sal_Int32 > maBitCounts;
+
+ virtual ::sal_Int8 SAL_CALL getType( ) override
+ {
+ return rendering::ColorSpaceType::RGB;
+ }
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
+ {
+ return maComponentTags;
+ }
+ 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(1.0,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(1.0,pIn[0],pIn[1],pIn[2]);
+ pIn += 4;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Red;
+ *pColors++ = pIn->Green;
+ *pColors++ = pIn->Blue;
+ *pColors++ = 1.0; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Red;
+ *pColors++ = pIn->Green;
+ *pColors++ = pIn->Blue;
+ *pColors++ = 1.0; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+ virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< double > aRes(nLen*4);
+ double* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = pIn->Red/pIn->Alpha;
+ *pColors++ = pIn->Green/pIn->Alpha;
+ *pColors++ = pIn->Blue/pIn->Alpha;
+ *pColors++ = 1.0; // the value does not matter
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ // XIntegerBitmapColorSpace
+ virtual ::sal_Int32 SAL_CALL getBitsPerPixel( ) override
+ {
+ return 32;
+ }
+ virtual uno::Sequence< ::sal_Int32 > SAL_CALL getComponentBitCounts( ) override
+ {
+ return maBitCounts;
+ }
+ virtual ::sal_Int8 SAL_CALL getEndianness( ) override
+ {
+ return util::Endianness::LITTLE;
+ }
+ virtual uno::Sequence<double> SAL_CALL convertFromIntegerColorSpace( const uno::Sequence< ::sal_Int8 >& deviceColor,
+ const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
+ {
+ if( dynamic_cast<StandardNoAlphaColorSpace*>(targetColorSpace.get()) )
+ {
+ const sal_Int8* 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<double> aRes(nLen);
+ double* pOut( aRes.getArray() );
+ for( std::size_t i=0; i<nLen; i+=4 )
+ {
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = vcl::unotools::toDoubleColor(*pIn++);
+ *pOut++ = 1.0; 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 ) override
+ {
+ if( dynamic_cast<StandardNoAlphaColorSpace*>(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 ) override
+ {
+ const sal_Int8* 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(
+ 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 ) override
+ {
+ const sal_Int8* 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(
+ 1.0,
+ 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 ) override
+ {
+ const sal_Int8* 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(
+ 1.0,
+ vcl::unotools::toDoubleColor(pIn[0]),
+ vcl::unotools::toDoubleColor(pIn[1]),
+ vcl::unotools::toDoubleColor(pIn[2]));
+ pIn += 4;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
+ {
+ const rendering::RGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = 1.0;
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t i=0; i<nLen; ++i )
+ {
+ *pColors++ = vcl::unotools::toByteColor(pIn->Red);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Green);
+ *pColors++ = vcl::unotools::toByteColor(pIn->Blue);
+ *pColors++ = -1;
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ virtual uno::Sequence< ::sal_Int8 > SAL_CALL convertIntegerFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
+ {
+ const rendering::ARGBColor* pIn( rgbColor.getConstArray() );
+ const std::size_t nLen( rgbColor.getLength() );
+
+ uno::Sequence< sal_Int8 > aRes(nLen*4);
+ sal_Int8* pColors=aRes.getArray();
+ for( std::size_t 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++ = -1;
+ ++pIn;
+ }
+ return aRes;
+ }
+
+ public:
+ StandardNoAlphaColorSpace() :
+ maComponentTags(3),
+ maBitCounts(3)
+ {
+ 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;
+
+ pBitCounts[0] =
+ pBitCounts[1] =
+ pBitCounts[2] = 8;
+ }
+ };
+
+ }
+
+ uno::Reference<rendering::XIntegerBitmapColorSpace> const & getStdColorSpace()
+ {
+ static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new StandardColorSpace();
+ return SPACE;
+ }
+
+ uno::Reference<rendering::XIntegerBitmapColorSpace> const & getStdColorSpaceWithoutAlpha()
+ {
+ static uno::Reference<rendering::XIntegerBitmapColorSpace> SPACE = new StandardNoAlphaColorSpace();
+ return SPACE;
+ }
+
+ 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 = false;
+
+ return aLayout;
+ }
+
+ 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] = rColor.GetAlpha();
+#else
+ *reinterpret_cast<sal_Int32*>(pCols) = sal_Int32(rColor);
+#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() )
+ {
+ o_transform = i_transformation;
+ return o_transform;
+ }
+
+ // 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::utils::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;
+ }
+
+ 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::utils::createPolygonFromRect( rTransformRect ) );
+ aPoly.transform( rTransformation );
+
+ return ::basegfx::utils::isInside( aPoly,
+ ::basegfx::utils::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;
+ }
+
+ ::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() )
+ return o_rxParams;
+
+ try
+ {
+ uno::Reference< rendering::XGraphicDevice > xDevice( i_rxCanvas->getDevice(),
+ uno::UNO_SET_THROW );
+
+ uno::Reference< lang::XServiceInfo > xServiceInfo( xDevice,
+ uno::UNO_QUERY_THROW );
+ uno::Reference< beans::XPropertySet > xPropSet( xDevice,
+ uno::UNO_QUERY_THROW );
+
+ o_rxParams = { uno::Any(xServiceInfo->getImplementationName()),
+ xPropSet->getPropertyValue( "DeviceHandle" ) };
+ }
+ catch( const 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 );
+
+ VclPtr<vcl::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 ) );
+ }
+
+ void clipOutDev(const rendering::ViewState& viewState,
+ const rendering::RenderState& renderState,
+ OutputDevice& rOutDev,
+ OutputDevice* p2ndOutDev)
+ {
+ // accumulate non-empty clips into one region
+ vcl::Region aClipRegion(true);
+
+ if( viewState.Clip.is() )
+ {
+ ::basegfx::B2DPolyPolygon aClipPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(viewState.Clip) );
+
+ if( aClipPoly.count() )
+ {
+ // setup non-empty clipping
+ ::basegfx::B2DHomMatrix aMatrix;
+ aClipPoly.transform(
+ ::basegfx::unotools::homMatrixFromAffineMatrix( aMatrix,
+ viewState.AffineTransform ) );
+
+ aClipRegion = vcl::Region::GetRegionFromPolyPolygon( ::tools::PolyPolygon( aClipPoly ) );
+ }
+ else
+ {
+ // clip polygon is empty
+ aClipRegion.SetEmpty();
+ }
+ }
+
+ if( renderState.Clip.is() )
+ {
+ ::basegfx::B2DPolyPolygon aClipPoly(
+ ::basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(renderState.Clip) );
+
+ ::basegfx::B2DHomMatrix aMatrix;
+ aClipPoly.transform(
+ ::canvas::tools::mergeViewAndRenderTransform( aMatrix,
+ viewState,
+ renderState ) );
+
+ if( aClipPoly.count() )
+ {
+ // setup non-empty clipping
+ vcl::Region aRegion = vcl::Region::GetRegionFromPolyPolygon( ::tools::PolyPolygon( aClipPoly ) );
+ aClipRegion.Intersect( aRegion );
+ }
+ else
+ {
+ // clip polygon is empty
+ aClipRegion.SetEmpty();
+ }
+ }
+
+ // setup accumulated clip region. Note that setting an
+ // empty clip region denotes "clip everything" on the
+ // OutputDevice (which is why we translate that into
+ // SetClipRegion() here). When both view and render clip
+ // are empty, aClipRegion remains default-constructed,
+ // i.e. empty, too.
+ if( aClipRegion.IsNull() )
+ {
+ rOutDev.SetClipRegion();
+
+ if( p2ndOutDev )
+ p2ndOutDev->SetClipRegion();
+ }
+ else
+ {
+ rOutDev.SetClipRegion( aClipRegion );
+
+ if( p2ndOutDev )
+ p2ndOutDev->SetClipRegion( aClipRegion );
+ }
+ }
+
+ void extractExtraFontProperties(const uno::Sequence<beans::PropertyValue>& rExtraFontProperties,
+ sal_uInt32 &rEmphasisMark)
+ {
+ for(const beans::PropertyValue& rPropVal : rExtraFontProperties)
+ {
+ if (rPropVal.Name == "EmphasisMark")
+ rPropVal.Value >>= rEmphasisMark;
+ }
+ }
+
+} // namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 17:30:31 +0000