647 lines
25 KiB
C++
647 lines
25 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_drawinglayer.hxx"
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#include <drawinglayer/texture/texture.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <basegfx/tools/gradienttools.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvx::GeoTexSvx()
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{
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}
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GeoTexSvx::~GeoTexSvx()
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{
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}
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bool GeoTexSvx::operator==(const GeoTexSvx& /*rGeoTexSvx*/) const
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{
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// default implementation says yes (no data -> no difference)
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return true;
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}
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void GeoTexSvx::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& /*rMatrices*/)
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{
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// default implementation does nothing
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}
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void GeoTexSvx::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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// base implementation creates random color (for testing only, may also be pure virtual)
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rBColor.setRed((rand() & 0x7fff) / 32767.0);
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rBColor.setGreen((rand() & 0x7fff) / 32767.0);
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rBColor.setBlue((rand() & 0x7fff) / 32767.0);
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}
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void GeoTexSvx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
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{
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// base implementation uses inverse of luminance of solved color (for testing only, may also be pure virtual)
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basegfx::BColor aBaseColor;
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modifyBColor(rUV, aBaseColor, rfOpacity);
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rfOpacity = 1.0 - aBaseColor.luminance();
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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void GeoTexSvxGradient::impAppendMatrix(::std::vector< basegfx::B2DHomMatrix >& rMatrices, const basegfx::B2DRange& rRange)
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{
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basegfx::B2DHomMatrix aNew;
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aNew.set(0, 0, rRange.getWidth());
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aNew.set(1, 1, rRange.getHeight());
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aNew.set(0, 2, rRange.getMinX());
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aNew.set(1, 2, rRange.getMinY());
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rMatrices.push_back(maGradientInfo.maTextureTransform * aNew);
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}
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void GeoTexSvxGradient::impAppendColorsRadial(::std::vector< basegfx::BColor >& rColors)
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{
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if(maGradientInfo.mnSteps)
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{
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rColors.push_back(maStart);
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for(sal_uInt32 a(1L); a < maGradientInfo.mnSteps - 1L; a++)
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{
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rColors.push_back(interpolate(maStart, maEnd, (double)a / (double)maGradientInfo.mnSteps));
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}
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rColors.push_back(maEnd);
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}
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}
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GeoTexSvxGradient::GeoTexSvxGradient(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder)
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: maTargetRange(rTargetRange),
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maStart(rStart),
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maEnd(rEnd),
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mfBorder(fBorder)
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{
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maGradientInfo.mnSteps = nSteps;
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maGradientInfo.mfAspectRatio = 1.0;
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}
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GeoTexSvxGradient::~GeoTexSvxGradient()
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{
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}
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bool GeoTexSvxGradient::operator==(const GeoTexSvx& rGeoTexSvx) const
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{
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const GeoTexSvxGradient* pCompare = dynamic_cast< const GeoTexSvxGradient* >(&rGeoTexSvx);
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return (pCompare
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&& maGradientInfo.maTextureTransform == pCompare->maGradientInfo.maTextureTransform
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&& maTargetRange == pCompare->maTargetRange
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&& maGradientInfo.mnSteps == pCompare->maGradientInfo.mnSteps
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&& maGradientInfo.mfAspectRatio == pCompare->maGradientInfo.mfAspectRatio
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&& mfBorder == pCompare->mfBorder);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientLinear::GeoTexSvxGradientLinear(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder, double fAngle)
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: GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
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{
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basegfx::tools::createLinearODFGradientInfo(maGradientInfo,
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rTargetRange,
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nSteps,
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fBorder,
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fAngle);
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}
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GeoTexSvxGradientLinear::~GeoTexSvxGradientLinear()
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{
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}
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void GeoTexSvxGradientLinear::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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if(maGradientInfo.mnSteps)
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{
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const double fStripeWidth(1.0 / maGradientInfo.mnSteps);
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for(sal_uInt32 a(1L); a < maGradientInfo.mnSteps; a++)
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{
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const basegfx::B2DRange aRect(0.0, fStripeWidth * a, 1.0, 1.0);
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impAppendMatrix(rMatrices, aRect);
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}
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}
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}
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void GeoTexSvxGradientLinear::appendColors(::std::vector< basegfx::BColor >& rColors)
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{
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if(maGradientInfo.mnSteps)
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{
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rColors.push_back(maStart);
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for(sal_uInt32 a(1L); a < maGradientInfo.mnSteps; a++)
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{
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rColors.push_back(interpolate(maStart, maEnd, (double)a / (double)(maGradientInfo.mnSteps + 1L)));
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}
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}
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}
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void GeoTexSvxGradientLinear::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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const double fScaler(basegfx::tools::getLinearGradientAlpha(rUV, maGradientInfo));
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rBColor = (maStart * (1.0 - fScaler)) + (maEnd * fScaler);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientAxial::GeoTexSvxGradientAxial(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder, double fAngle)
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: GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
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{
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basegfx::tools::createAxialODFGradientInfo(maGradientInfo,
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rTargetRange,
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nSteps,
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fBorder,
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fAngle);
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}
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GeoTexSvxGradientAxial::~GeoTexSvxGradientAxial()
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{
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}
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void GeoTexSvxGradientAxial::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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if(maGradientInfo.mnSteps)
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{
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const double fStripeWidth=1.0 / (maGradientInfo.mnSteps - 1L);
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for(sal_uInt32 a(maGradientInfo.mnSteps-1L); a != 0; a--)
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{
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const basegfx::B2DRange aRect(0, 0, 1.0, fStripeWidth * a);
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impAppendMatrix(rMatrices, aRect);
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}
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}
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}
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void GeoTexSvxGradientAxial::appendColors(::std::vector< basegfx::BColor >& rColors)
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{
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if(maGradientInfo.mnSteps)
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{
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rColors.push_back(maEnd);
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for(sal_uInt32 a(1L); a < maGradientInfo.mnSteps; a++)
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{
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rColors.push_back(interpolate(maEnd, maStart, (double)a / (double)maGradientInfo.mnSteps));
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}
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}
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}
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void GeoTexSvxGradientAxial::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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const double fScaler(basegfx::tools::getAxialGradientAlpha(rUV, maGradientInfo));
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rBColor = (maStart * (1.0 - fScaler)) + (maEnd * fScaler);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientRadial::GeoTexSvxGradientRadial(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder, double fOffsetX, double fOffsetY)
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: GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
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{
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basegfx::tools::createRadialODFGradientInfo(maGradientInfo,
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rTargetRange,
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basegfx::B2DVector(fOffsetX,fOffsetY),
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nSteps,
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fBorder);
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}
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GeoTexSvxGradientRadial::~GeoTexSvxGradientRadial()
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{
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}
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void GeoTexSvxGradientRadial::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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if(maGradientInfo.mnSteps)
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{
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const double fStepSize=1.0 / maGradientInfo.mnSteps;
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for(sal_uInt32 a(maGradientInfo.mnSteps-1L); a > 0; a--)
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{
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const basegfx::B2DRange aRect(0, 0, fStepSize*a, fStepSize*a);
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impAppendMatrix(rMatrices, aRect);
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}
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}
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}
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void GeoTexSvxGradientRadial::appendColors(::std::vector< basegfx::BColor >& rColors)
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{
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impAppendColorsRadial(rColors);
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}
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void GeoTexSvxGradientRadial::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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const double fScaler(basegfx::tools::getRadialGradientAlpha(rUV, maGradientInfo));
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rBColor = (maStart * (1.0 - fScaler)) + (maEnd * fScaler);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientElliptical::GeoTexSvxGradientElliptical(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder, double fOffsetX, double fOffsetY, double fAngle)
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: GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
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{
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basegfx::tools::createEllipticalODFGradientInfo(maGradientInfo,
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rTargetRange,
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basegfx::B2DVector(fOffsetX,fOffsetY),
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nSteps,
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fBorder,
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fAngle);
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}
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GeoTexSvxGradientElliptical::~GeoTexSvxGradientElliptical()
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{
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}
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void GeoTexSvxGradientElliptical::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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if(maGradientInfo.mnSteps)
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{
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double fWidth(1);
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double fHeight(1);
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double fIncrementX, fIncrementY;
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if(maGradientInfo.mfAspectRatio > 1.0)
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{
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fIncrementY = fHeight / maGradientInfo.mnSteps;
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fIncrementX = fIncrementY / maGradientInfo.mfAspectRatio;
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}
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else
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{
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fIncrementX = fWidth / maGradientInfo.mnSteps;
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fIncrementY = fIncrementX * maGradientInfo.mfAspectRatio;
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}
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for(sal_uInt32 a(1L); a < maGradientInfo.mnSteps; a++)
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{
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// next step
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fWidth -= fIncrementX;
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fHeight -= fIncrementY;
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// create matrix
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const basegfx::B2DRange aRect(0, 0, fWidth, fHeight);
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impAppendMatrix(rMatrices, aRect);
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}
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}
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}
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void GeoTexSvxGradientElliptical::appendColors(::std::vector< basegfx::BColor >& rColors)
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{
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impAppendColorsRadial(rColors);
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}
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void GeoTexSvxGradientElliptical::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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const double fScaler(basegfx::tools::getEllipticalGradientAlpha(rUV, maGradientInfo));
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rBColor = (maStart * (1.0 - fScaler)) + (maEnd * fScaler);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientSquare::GeoTexSvxGradientSquare(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder, double fOffsetX, double fOffsetY, double fAngle)
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: GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
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{
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basegfx::tools::createSquareODFGradientInfo(maGradientInfo,
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rTargetRange,
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basegfx::B2DVector(fOffsetX,fOffsetY),
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nSteps,
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fBorder,
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fAngle);
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}
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GeoTexSvxGradientSquare::~GeoTexSvxGradientSquare()
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{
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}
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void GeoTexSvxGradientSquare::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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if(maGradientInfo.mnSteps)
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{
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const double fStepSize=1.0 / maGradientInfo.mnSteps;
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for(sal_uInt32 a(maGradientInfo.mnSteps-1L); a > 0; a--)
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{
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const basegfx::B2DRange aRect(0, 0, fStepSize*a, fStepSize*a);
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impAppendMatrix(rMatrices, aRect);
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}
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}
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}
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void GeoTexSvxGradientSquare::appendColors(::std::vector< basegfx::BColor >& rColors)
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{
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impAppendColorsRadial(rColors);
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}
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void GeoTexSvxGradientSquare::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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const double fScaler(basegfx::tools::getSquareGradientAlpha(rUV, maGradientInfo));
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rBColor = (maStart * (1.0 - fScaler)) + (maEnd * fScaler);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientRect::GeoTexSvxGradientRect(const basegfx::B2DRange& rTargetRange, const basegfx::BColor& rStart, const basegfx::BColor& rEnd, sal_uInt32 nSteps, double fBorder, double fOffsetX, double fOffsetY, double fAngle)
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: GeoTexSvxGradient(rTargetRange, rStart, rEnd, nSteps, fBorder)
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{
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basegfx::tools::createRectangularODFGradientInfo(maGradientInfo,
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rTargetRange,
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basegfx::B2DVector(fOffsetX,fOffsetY),
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nSteps,
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fBorder,
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fAngle);
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}
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GeoTexSvxGradientRect::~GeoTexSvxGradientRect()
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{
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}
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void GeoTexSvxGradientRect::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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if(maGradientInfo.mnSteps)
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{
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double fWidth(1);
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double fHeight(1);
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double fIncrementX, fIncrementY;
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if(maGradientInfo.mfAspectRatio > 1.0)
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{
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fIncrementY = fHeight / maGradientInfo.mnSteps;
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fIncrementX = fIncrementY / maGradientInfo.mfAspectRatio;
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}
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else
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{
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fIncrementX = fWidth / maGradientInfo.mnSteps;
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fIncrementY = fIncrementX * maGradientInfo.mfAspectRatio;
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}
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for(sal_uInt32 a(1L); a < maGradientInfo.mnSteps; a++)
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{
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// next step
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fWidth -= fIncrementX;
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fHeight -= fIncrementY;
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// create matrix
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const basegfx::B2DRange aRect(0, 0, fWidth, fHeight);
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impAppendMatrix(rMatrices, aRect);
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}
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}
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}
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void GeoTexSvxGradientRect::appendColors(::std::vector< basegfx::BColor >& rColors)
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{
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impAppendColorsRadial(rColors);
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}
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void GeoTexSvxGradientRect::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
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{
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const double fScaler(basegfx::tools::getRectangularGradientAlpha(rUV, maGradientInfo));
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rBColor = (maStart * (1.0 - fScaler)) + (maEnd * fScaler);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxHatch::GeoTexSvxHatch(const basegfx::B2DRange& rTargetRange, double fDistance, double fAngle)
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: mfDistance(0.1),
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mfAngle(fAngle),
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mnSteps(10L)
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{
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double fTargetSizeX(rTargetRange.getWidth());
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double fTargetSizeY(rTargetRange.getHeight());
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double fTargetOffsetX(rTargetRange.getMinX());
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double fTargetOffsetY(rTargetRange.getMinY());
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fAngle = -fAngle;
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// add object expansion
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if(0.0 != fAngle)
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{
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const double fAbsCos(fabs(cos(fAngle)));
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const double fAbsSin(fabs(sin(fAngle)));
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const double fNewX(fTargetSizeX * fAbsCos + fTargetSizeY * fAbsSin);
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const double fNewY(fTargetSizeY * fAbsCos + fTargetSizeX * fAbsSin);
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fTargetOffsetX -= (fNewX - fTargetSizeX) / 2.0;
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fTargetOffsetY -= (fNewY - fTargetSizeY) / 2.0;
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fTargetSizeX = fNewX;
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fTargetSizeY = fNewY;
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}
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// add object scale before rotate
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maTextureTransform.scale(fTargetSizeX, fTargetSizeY);
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// add texture rotate after scale to keep perpendicular angles
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if(0.0 != fAngle)
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{
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basegfx::B2DPoint aCenter(0.5, 0.5);
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aCenter *= maTextureTransform;
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maTextureTransform = basegfx::tools::createRotateAroundPoint(aCenter, fAngle)
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* maTextureTransform;
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}
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// add object translate
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maTextureTransform.translate(fTargetOffsetX, fTargetOffsetY);
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// prepare height for texture
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const double fSteps((0.0 != fDistance) ? fTargetSizeY / fDistance : 10.0);
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mnSteps = basegfx::fround(fSteps + 0.5);
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mfDistance = 1.0 / fSteps;
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// build transform from u,v to [0.0 .. 1.0]. As base, use inverse texture transform
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maBackTextureTransform = maTextureTransform;
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maBackTextureTransform.invert();
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}
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GeoTexSvxHatch::~GeoTexSvxHatch()
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{
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}
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bool GeoTexSvxHatch::operator==(const GeoTexSvx& rGeoTexSvx) const
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{
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const GeoTexSvxHatch* pCompare = dynamic_cast< const GeoTexSvxHatch* >(&rGeoTexSvx);
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return (pCompare
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&& maTextureTransform == pCompare->maTextureTransform
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&& mfDistance == pCompare->mfDistance
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&& mfAngle == pCompare->mfAngle
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&& mnSteps == pCompare->mnSteps);
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}
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void GeoTexSvxHatch::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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for(sal_uInt32 a(1L); a < mnSteps; a++)
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{
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// create matrix
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const double fOffset(mfDistance * (double)a);
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basegfx::B2DHomMatrix aNew;
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aNew.set(1, 2, fOffset);
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rMatrices.push_back(maTextureTransform * aNew);
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}
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}
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double GeoTexSvxHatch::getDistanceToHatch(const basegfx::B2DPoint& rUV) const
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{
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const basegfx::B2DPoint aCoor(maBackTextureTransform * rUV);
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return fmod(aCoor.getY(), mfDistance);
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxTiled::GeoTexSvxTiled(const basegfx::B2DPoint& rTopLeft, const basegfx::B2DVector& rSize)
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: maTopLeft(rTopLeft),
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maSize(rSize)
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{
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if(basegfx::fTools::lessOrEqual(maSize.getX(), 0.0))
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{
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maSize.setX(1.0);
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}
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if(basegfx::fTools::lessOrEqual(maSize.getY(), 0.0))
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{
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maSize.setY(1.0);
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}
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}
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GeoTexSvxTiled::~GeoTexSvxTiled()
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{
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}
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bool GeoTexSvxTiled::operator==(const GeoTexSvx& rGeoTexSvx) const
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{
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const GeoTexSvxTiled* pCompare = dynamic_cast< const GeoTexSvxTiled* >(&rGeoTexSvx);
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return (pCompare
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&& maTopLeft == pCompare->maTopLeft
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&& maSize == pCompare->maSize);
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}
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void GeoTexSvxTiled::appendTransformations(::std::vector< basegfx::B2DHomMatrix >& rMatrices)
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{
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double fStartX(maTopLeft.getX());
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double fStartY(maTopLeft.getY());
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if(basegfx::fTools::more(fStartX, 0.0))
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{
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fStartX -= (floor(fStartX / maSize.getX()) + 1.0) * maSize.getX();
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}
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if(basegfx::fTools::less(fStartX + maSize.getX(), 0.0))
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{
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fStartX += floor(-fStartX / maSize.getX()) * maSize.getX();
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}
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if(basegfx::fTools::more(fStartY, 0.0))
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{
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fStartY -= (floor(fStartY / maSize.getY()) + 1.0) * maSize.getY();
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}
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if(basegfx::fTools::less(fStartY + maSize.getY(), 0.0))
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{
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fStartY += floor(-fStartY / maSize.getY()) * maSize.getY();
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}
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for(double fPosY(fStartY); basegfx::fTools::less(fPosY, 1.0); fPosY += maSize.getY())
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{
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for(double fPosX(fStartX); basegfx::fTools::less(fPosX, 1.0); fPosX += maSize.getX())
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{
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basegfx::B2DHomMatrix aNew;
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aNew.set(0, 0, maSize.getX());
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aNew.set(1, 1, maSize.getY());
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aNew.set(0, 2, fPosX);
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aNew.set(1, 2, fPosY);
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rMatrices.push_back(aNew);
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}
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}
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}
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} // end of namespace texture
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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