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|
/*************************************************************************
*
* 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
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