836 lines
30 KiB
C++
836 lines
30 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <drawinglayer/texture/texture.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <basegfx/utils/gradienttools.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include <converters.hxx>
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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::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(getRandomColorRange());
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rBColor.setGreen(getRandomColorRange());
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rBColor.setBlue(getRandomColorRange());
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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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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradient::GeoTexSvxGradient(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
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double fBorder)
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: GeoTexSvx(),
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maGradientInfo(),
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maDefinitionRange(rDefinitionRange),
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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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}
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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 == pCompare->maGradientInfo
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&& maDefinitionRange == pCompare->maDefinitionRange
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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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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientLinear::GeoTexSvxGradientLinear(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::B2DRange& rOutputRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
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sal_uInt32 nSteps,
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double fBorder,
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double fAngle)
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: GeoTexSvxGradient(rDefinitionRange, rStart, rEnd, fBorder),
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mfUnitMinX(0.0),
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mfUnitWidth(1.0),
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mfUnitMaxY(1.0)
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{
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maGradientInfo = basegfx::utils::createLinearODFGradientInfo(
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rDefinitionRange,
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nSteps,
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fBorder,
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fAngle);
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if(rDefinitionRange != rOutputRange)
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{
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basegfx::B2DRange aInvOutputRange(rOutputRange);
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aInvOutputRange.transform(maGradientInfo.getBackTextureTransform());
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mfUnitMinX = aInvOutputRange.getMinX();
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mfUnitWidth = aInvOutputRange.getWidth();
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mfUnitMaxY = aInvOutputRange.getMaxY();
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}
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}
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GeoTexSvxGradientLinear::~GeoTexSvxGradientLinear()
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{
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}
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void GeoTexSvxGradientLinear::appendTransformationsAndColors(
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std::vector< B2DHomMatrixAndBColor >& rEntries,
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basegfx::BColor& rOuterColor)
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{
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rOuterColor = maStart;
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if(maGradientInfo.getSteps())
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{
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const double fStripeWidth(1.0 / maGradientInfo.getSteps());
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B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
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basegfx::B2DHomMatrix aPattern;
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// bring from unit circle [-1, -1, 1, 1] to unit range [0, 0, 1, 1]
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aPattern.scale(0.5, 0.5);
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aPattern.translate(0.5, 0.5);
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// scale and translate in X
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aPattern.scale(mfUnitWidth, 1.0);
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aPattern.translate(mfUnitMinX, 0.0);
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for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
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{
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const double fPos(fStripeWidth * a);
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basegfx::B2DHomMatrix aNew(aPattern);
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// scale and translate in Y
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double fHeight(1.0 - fPos);
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if(a + 1 == maGradientInfo.getSteps() && mfUnitMaxY > 1.0)
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{
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fHeight += mfUnitMaxY - 1.0;
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}
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aNew.scale(1.0, fHeight);
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aNew.translate(0.0, fPos);
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// set at target
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aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * aNew;
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// interpolate and set color
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aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
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rEntries.push_back(aB2DHomMatrixAndBColor);
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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::utils::getLinearGradientAlpha(rUV, maGradientInfo));
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rBColor = basegfx::interpolate(maStart, 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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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientAxial::GeoTexSvxGradientAxial(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::B2DRange& rOutputRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
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sal_uInt32 nSteps,
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double fBorder,
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double fAngle)
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: GeoTexSvxGradient(rDefinitionRange, rStart, rEnd, fBorder),
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mfUnitMinX(0.0),
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mfUnitWidth(1.0)
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{
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maGradientInfo = basegfx::utils::createAxialODFGradientInfo(
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rDefinitionRange,
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nSteps,
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fBorder,
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fAngle);
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if(rDefinitionRange != rOutputRange)
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{
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basegfx::B2DRange aInvOutputRange(rOutputRange);
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aInvOutputRange.transform(maGradientInfo.getBackTextureTransform());
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mfUnitMinX = aInvOutputRange.getMinX();
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mfUnitWidth = aInvOutputRange.getWidth();
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}
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}
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GeoTexSvxGradientAxial::~GeoTexSvxGradientAxial()
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{
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}
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void GeoTexSvxGradientAxial::appendTransformationsAndColors(
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std::vector< B2DHomMatrixAndBColor >& rEntries,
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basegfx::BColor& rOuterColor)
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{
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rOuterColor = maEnd;
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if(maGradientInfo.getSteps())
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{
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const double fStripeWidth(1.0 / maGradientInfo.getSteps());
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B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
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for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
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{
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const double fPos(fStripeWidth * a);
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basegfx::B2DHomMatrix aNew;
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// bring in X from unit circle [-1, -1, 1, 1] to unit range [0, 0, 1, 1]
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aNew.scale(0.5, 1.0);
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aNew.translate(0.5, 0.0);
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// scale/translate in X
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aNew.scale(mfUnitWidth, 1.0);
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aNew.translate(mfUnitMinX, 0.0);
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// already centered in Y on X-Axis, just scale in Y
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aNew.scale(1.0, 1.0 - fPos);
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// set at target
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aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * aNew;
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// interpolate and set color
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aB2DHomMatrixAndBColor.maBColor = interpolate(maEnd, maStart, double(a) / double(maGradientInfo.getSteps() - 1));
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rEntries.push_back(aB2DHomMatrixAndBColor);
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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::utils::getAxialGradientAlpha(rUV, maGradientInfo));
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rBColor = basegfx::interpolate(maStart, 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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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientRadial::GeoTexSvxGradientRadial(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
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sal_uInt32 nSteps,
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double fBorder,
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double fOffsetX,
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double fOffsetY)
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: GeoTexSvxGradient(rDefinitionRange, rStart, rEnd, fBorder)
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{
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maGradientInfo = basegfx::utils::createRadialODFGradientInfo(
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rDefinitionRange,
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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::appendTransformationsAndColors(
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std::vector< B2DHomMatrixAndBColor >& rEntries,
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basegfx::BColor& rOuterColor)
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{
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rOuterColor = maStart;
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if(maGradientInfo.getSteps())
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{
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const double fStepSize(1.0 / maGradientInfo.getSteps());
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B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
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for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
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{
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const double fSize(1.0 - (fStepSize * a));
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aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::utils::createScaleB2DHomMatrix(fSize, fSize);
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aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
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rEntries.push_back(aB2DHomMatrixAndBColor);
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}
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}
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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::utils::getRadialGradientAlpha(rUV, maGradientInfo));
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rBColor = basegfx::interpolate(maStart, 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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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientElliptical::GeoTexSvxGradientElliptical(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
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sal_uInt32 nSteps,
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double fBorder,
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double fOffsetX,
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double fOffsetY,
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double fAngle)
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: GeoTexSvxGradient(rDefinitionRange, rStart, rEnd, fBorder)
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{
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maGradientInfo = basegfx::utils::createEllipticalODFGradientInfo(
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rDefinitionRange,
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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::appendTransformationsAndColors(
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std::vector< B2DHomMatrixAndBColor >& rEntries,
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basegfx::BColor& rOuterColor)
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{
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rOuterColor = maStart;
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if(maGradientInfo.getSteps())
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{
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double fWidth(1.0);
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double fHeight(1.0);
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double fIncrementX(0.0);
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double fIncrementY(0.0);
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if(maGradientInfo.getAspectRatio() > 1.0)
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{
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fIncrementY = fHeight / maGradientInfo.getSteps();
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fIncrementX = fIncrementY / maGradientInfo.getAspectRatio();
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}
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else
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{
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fIncrementX = fWidth / maGradientInfo.getSteps();
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fIncrementY = fIncrementX * maGradientInfo.getAspectRatio();
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}
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B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
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for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); 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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aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::utils::createScaleB2DHomMatrix(fWidth, fHeight);
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aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
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rEntries.push_back(aB2DHomMatrixAndBColor);
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}
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}
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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::utils::getEllipticalGradientAlpha(rUV, maGradientInfo));
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rBColor = basegfx::interpolate(maStart, 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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namespace drawinglayer
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{
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namespace texture
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{
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GeoTexSvxGradientSquare::GeoTexSvxGradientSquare(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
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sal_uInt32 nSteps,
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double fBorder,
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double fOffsetX,
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double fOffsetY,
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double fAngle)
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: GeoTexSvxGradient(rDefinitionRange, rStart, rEnd, fBorder)
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{
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maGradientInfo = basegfx::utils::createSquareODFGradientInfo(
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rDefinitionRange,
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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::appendTransformationsAndColors(
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std::vector< B2DHomMatrixAndBColor >& rEntries,
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basegfx::BColor& rOuterColor)
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{
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rOuterColor = maStart;
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if(maGradientInfo.getSteps())
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{
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const double fStepSize(1.0 / maGradientInfo.getSteps());
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B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
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for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
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{
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const double fSize(1.0 - (fStepSize * a));
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aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::utils::createScaleB2DHomMatrix(fSize, fSize);
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aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
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rEntries.push_back(aB2DHomMatrixAndBColor);
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}
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}
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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::utils::getSquareGradientAlpha(rUV, maGradientInfo));
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rBColor = basegfx::interpolate(maStart, 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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namespace drawinglayer
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|
{
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namespace texture
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|
{
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GeoTexSvxGradientRect::GeoTexSvxGradientRect(
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const basegfx::B2DRange& rDefinitionRange,
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const basegfx::BColor& rStart,
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const basegfx::BColor& rEnd,
|
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sal_uInt32 nSteps,
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double fBorder,
|
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double fOffsetX,
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double fOffsetY,
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double fAngle)
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: GeoTexSvxGradient(rDefinitionRange, rStart, rEnd, fBorder)
|
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{
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maGradientInfo = basegfx::utils::createRectangularODFGradientInfo(
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rDefinitionRange,
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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::appendTransformationsAndColors(
|
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std::vector< B2DHomMatrixAndBColor >& rEntries,
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basegfx::BColor& rOuterColor)
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{
|
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rOuterColor = maStart;
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if(maGradientInfo.getSteps())
|
|
{
|
|
double fWidth(1.0);
|
|
double fHeight(1.0);
|
|
double fIncrementX(0.0);
|
|
double fIncrementY(0.0);
|
|
|
|
if(maGradientInfo.getAspectRatio() > 1.0)
|
|
{
|
|
fIncrementY = fHeight / maGradientInfo.getSteps();
|
|
fIncrementX = fIncrementY / maGradientInfo.getAspectRatio();
|
|
}
|
|
else
|
|
{
|
|
fIncrementX = fWidth / maGradientInfo.getSteps();
|
|
fIncrementY = fIncrementX * maGradientInfo.getAspectRatio();
|
|
}
|
|
|
|
B2DHomMatrixAndBColor aB2DHomMatrixAndBColor;
|
|
|
|
for(sal_uInt32 a(1); a < maGradientInfo.getSteps(); a++)
|
|
{
|
|
// next step
|
|
fWidth -= fIncrementX;
|
|
fHeight -= fIncrementY;
|
|
|
|
aB2DHomMatrixAndBColor.maB2DHomMatrix = maGradientInfo.getTextureTransform() * basegfx::utils::createScaleB2DHomMatrix(fWidth, fHeight);
|
|
aB2DHomMatrixAndBColor.maBColor = interpolate(maStart, maEnd, double(a) / double(maGradientInfo.getSteps() - 1));
|
|
rEntries.push_back(aB2DHomMatrixAndBColor);
|
|
}
|
|
}
|
|
}
|
|
|
|
void GeoTexSvxGradientRect::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
|
|
{
|
|
const double fScaler(basegfx::utils::getRectangularGradientAlpha(rUV, maGradientInfo));
|
|
|
|
rBColor = basegfx::interpolate(maStart, maEnd, fScaler);
|
|
}
|
|
} // end of namespace texture
|
|
} // end of namespace drawinglayer
|
|
|
|
|
|
namespace drawinglayer
|
|
{
|
|
namespace texture
|
|
{
|
|
GeoTexSvxHatch::GeoTexSvxHatch(
|
|
const basegfx::B2DRange& rDefinitionRange,
|
|
const basegfx::B2DRange& rOutputRange,
|
|
double fDistance,
|
|
double fAngle)
|
|
: maOutputRange(rOutputRange),
|
|
maTextureTransform(),
|
|
maBackTextureTransform(),
|
|
mfDistance(0.1),
|
|
mfAngle(fAngle),
|
|
mnSteps(10),
|
|
mbDefinitionRangeEqualsOutputRange(rDefinitionRange == rOutputRange)
|
|
{
|
|
double fTargetSizeX(rDefinitionRange.getWidth());
|
|
double fTargetSizeY(rDefinitionRange.getHeight());
|
|
double fTargetOffsetX(rDefinitionRange.getMinX());
|
|
double fTargetOffsetY(rDefinitionRange.getMinY());
|
|
|
|
fAngle = -fAngle;
|
|
|
|
// add object expansion
|
|
if(0.0 != fAngle)
|
|
{
|
|
const double fAbsCos(fabs(cos(fAngle)));
|
|
const double fAbsSin(fabs(sin(fAngle)));
|
|
const double fNewX(fTargetSizeX * fAbsCos + fTargetSizeY * fAbsSin);
|
|
const double fNewY(fTargetSizeY * fAbsCos + fTargetSizeX * fAbsSin);
|
|
fTargetOffsetX -= (fNewX - fTargetSizeX) / 2.0;
|
|
fTargetOffsetY -= (fNewY - fTargetSizeY) / 2.0;
|
|
fTargetSizeX = fNewX;
|
|
fTargetSizeY = fNewY;
|
|
}
|
|
|
|
// add object scale before rotate
|
|
maTextureTransform.scale(fTargetSizeX, fTargetSizeY);
|
|
|
|
// add texture rotate after scale to keep perpendicular angles
|
|
if(0.0 != fAngle)
|
|
{
|
|
basegfx::B2DPoint aCenter(0.5, 0.5);
|
|
aCenter *= maTextureTransform;
|
|
|
|
maTextureTransform = basegfx::utils::createRotateAroundPoint(aCenter, fAngle)
|
|
* maTextureTransform;
|
|
}
|
|
|
|
// add object translate
|
|
maTextureTransform.translate(fTargetOffsetX, fTargetOffsetY);
|
|
|
|
// prepare height for texture
|
|
const double fSteps((0.0 != fDistance) ? fTargetSizeY / fDistance : 10.0);
|
|
mnSteps = basegfx::fround(fSteps + 0.5);
|
|
mfDistance = 1.0 / fSteps;
|
|
}
|
|
|
|
GeoTexSvxHatch::~GeoTexSvxHatch()
|
|
{
|
|
}
|
|
|
|
bool GeoTexSvxHatch::operator==(const GeoTexSvx& rGeoTexSvx) const
|
|
{
|
|
const GeoTexSvxHatch* pCompare = dynamic_cast< const GeoTexSvxHatch* >(&rGeoTexSvx);
|
|
return (pCompare
|
|
&& maOutputRange == pCompare->maOutputRange
|
|
&& maTextureTransform == pCompare->maTextureTransform
|
|
&& mfDistance == pCompare->mfDistance
|
|
&& mfAngle == pCompare->mfAngle
|
|
&& mnSteps == pCompare->mnSteps);
|
|
}
|
|
|
|
void GeoTexSvxHatch::appendTransformations(std::vector< basegfx::B2DHomMatrix >& rMatrices)
|
|
{
|
|
if(mbDefinitionRangeEqualsOutputRange)
|
|
{
|
|
// simple hatch where the definition area equals the output area
|
|
for(sal_uInt32 a(1); a < mnSteps; a++)
|
|
{
|
|
// create matrix
|
|
const double fOffset(mfDistance * (double)a);
|
|
basegfx::B2DHomMatrix aNew;
|
|
aNew.set(1, 2, fOffset);
|
|
rMatrices.push_back(maTextureTransform * aNew);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// output area is different from definition area, back-transform to get
|
|
// the output area in unit coordinates and fill this with hatch lines
|
|
// using the settings derived from the definition area
|
|
basegfx::B2DRange aBackUnitRange(maOutputRange);
|
|
|
|
aBackUnitRange.transform(getBackTextureTransform());
|
|
|
|
// calculate vertical start value and a security maximum integer value to avoid death loops
|
|
double fStart(basegfx::snapToNearestMultiple(aBackUnitRange.getMinY(), mfDistance));
|
|
const sal_uInt32 nNeededIntegerSteps(basegfx::fround((aBackUnitRange.getHeight() / mfDistance) + 0.5));
|
|
sal_uInt32 nMaxIntegerSteps(std::min(nNeededIntegerSteps, sal_uInt32(10000)));
|
|
|
|
while(fStart < aBackUnitRange.getMaxY() && nMaxIntegerSteps)
|
|
{
|
|
// create new transform for
|
|
basegfx::B2DHomMatrix aNew;
|
|
|
|
// adapt x scale and position
|
|
//aNew.scale(aBackUnitRange.getWidth(), 1.0);
|
|
//aNew.translate(aBackUnitRange.getMinX(), 0.0);
|
|
aNew.set(0, 0, aBackUnitRange.getWidth());
|
|
aNew.set(0, 2, aBackUnitRange.getMinX());
|
|
|
|
// adapt y position to current step
|
|
aNew.set(1, 2, fStart);
|
|
//aNew.translate(0.0, fStart);
|
|
|
|
// add new transformation
|
|
rMatrices.push_back(maTextureTransform * aNew);
|
|
|
|
// next step
|
|
fStart += mfDistance;
|
|
nMaxIntegerSteps--;
|
|
}
|
|
}
|
|
}
|
|
|
|
double GeoTexSvxHatch::getDistanceToHatch(const basegfx::B2DPoint& rUV) const
|
|
{
|
|
const basegfx::B2DPoint aCoor(getBackTextureTransform() * rUV);
|
|
return fmod(aCoor.getY(), mfDistance);
|
|
}
|
|
|
|
const basegfx::B2DHomMatrix& GeoTexSvxHatch::getBackTextureTransform() const
|
|
{
|
|
if(maBackTextureTransform.isIdentity())
|
|
{
|
|
const_cast< GeoTexSvxHatch* >(this)->maBackTextureTransform = maTextureTransform;
|
|
const_cast< GeoTexSvxHatch* >(this)->maBackTextureTransform.invert();
|
|
}
|
|
|
|
return maBackTextureTransform;
|
|
}
|
|
} // end of namespace texture
|
|
} // end of namespace drawinglayer
|
|
|
|
|
|
namespace drawinglayer
|
|
{
|
|
namespace texture
|
|
{
|
|
GeoTexSvxTiled::GeoTexSvxTiled(
|
|
const basegfx::B2DRange& rRange,
|
|
double fOffsetX,
|
|
double fOffsetY)
|
|
: maRange(rRange),
|
|
mfOffsetX(basegfx::clamp(fOffsetX, 0.0, 1.0)),
|
|
mfOffsetY(basegfx::clamp(fOffsetY, 0.0, 1.0))
|
|
{
|
|
if(!basegfx::fTools::equalZero(mfOffsetX))
|
|
{
|
|
mfOffsetY = 0.0;
|
|
}
|
|
}
|
|
|
|
GeoTexSvxTiled::~GeoTexSvxTiled()
|
|
{
|
|
}
|
|
|
|
bool GeoTexSvxTiled::operator==(const GeoTexSvx& rGeoTexSvx) const
|
|
{
|
|
const GeoTexSvxTiled* pCompare = dynamic_cast< const GeoTexSvxTiled* >(&rGeoTexSvx);
|
|
|
|
return (pCompare
|
|
&& maRange == pCompare->maRange
|
|
&& mfOffsetX == pCompare->mfOffsetX
|
|
&& mfOffsetY == pCompare->mfOffsetY);
|
|
}
|
|
|
|
sal_uInt32 GeoTexSvxTiled::getNumberOfTiles() const
|
|
{
|
|
return iterateTiles(nullptr);
|
|
}
|
|
|
|
void GeoTexSvxTiled::appendTransformations(std::vector< basegfx::B2DHomMatrix >& rMatrices) const
|
|
{
|
|
iterateTiles(&rMatrices);
|
|
}
|
|
|
|
sal_Int32 GeoTexSvxTiled::iterateTiles(std::vector< basegfx::B2DHomMatrix >* pMatrices) const
|
|
{
|
|
const double fWidth(maRange.getWidth());
|
|
sal_Int32 nTiles = 0;
|
|
|
|
if(!basegfx::fTools::equalZero(fWidth))
|
|
{
|
|
const double fHeight(maRange.getHeight());
|
|
|
|
if(!basegfx::fTools::equalZero(fHeight))
|
|
{
|
|
double fStartX(maRange.getMinX());
|
|
double fStartY(maRange.getMinY());
|
|
sal_Int32 nPosX(0);
|
|
sal_Int32 nPosY(0);
|
|
|
|
if(basegfx::fTools::more(fStartX, 0.0))
|
|
{
|
|
const sal_Int32 nDiff(static_cast<sal_Int32>(floor(fStartX / fWidth)) + 1);
|
|
|
|
nPosX -= nDiff;
|
|
fStartX -= nDiff * fWidth;
|
|
}
|
|
|
|
if(basegfx::fTools::less(fStartX + fWidth, 0.0))
|
|
{
|
|
const sal_Int32 nDiff(static_cast<sal_Int32>(floor(-fStartX / fWidth)));
|
|
|
|
nPosX += nDiff;
|
|
fStartX += nDiff * fWidth;
|
|
}
|
|
|
|
if(basegfx::fTools::more(fStartY, 0.0))
|
|
{
|
|
const sal_Int32 nDiff(static_cast<sal_Int32>(floor(fStartY / fHeight)) + 1);
|
|
|
|
nPosY -= nDiff;
|
|
fStartY -= nDiff * fHeight;
|
|
}
|
|
|
|
if(basegfx::fTools::less(fStartY + fHeight, 0.0))
|
|
{
|
|
const sal_Int32 nDiff(static_cast<sal_Int32>(floor(-fStartY / fHeight)));
|
|
|
|
nPosY += nDiff;
|
|
fStartY += nDiff * fHeight;
|
|
}
|
|
|
|
if(!basegfx::fTools::equalZero(mfOffsetY))
|
|
{
|
|
for(double fPosX(fStartX); basegfx::fTools::less(fPosX, 1.0); fPosX += fWidth, nPosX++)
|
|
{
|
|
for(double fPosY((nPosX % 2) ? fStartY - fHeight + (mfOffsetY * fHeight) : fStartY);
|
|
basegfx::fTools::less(fPosY, 1.0); fPosY += fHeight)
|
|
{
|
|
if(pMatrices)
|
|
{
|
|
pMatrices->push_back(
|
|
basegfx::utils::createScaleTranslateB2DHomMatrix(
|
|
fWidth,
|
|
fHeight,
|
|
fPosX,
|
|
fPosY));
|
|
}
|
|
else
|
|
{
|
|
nTiles++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(double fPosY(fStartY); basegfx::fTools::less(fPosY, 1.0); fPosY += fHeight, nPosY++)
|
|
{
|
|
for(double fPosX((nPosY % 2) ? fStartX - fWidth + (mfOffsetX * fWidth) : fStartX);
|
|
basegfx::fTools::less(fPosX, 1.0); fPosX += fWidth)
|
|
{
|
|
if(pMatrices)
|
|
{
|
|
pMatrices->push_back(
|
|
basegfx::utils::createScaleTranslateB2DHomMatrix(
|
|
fWidth,
|
|
fHeight,
|
|
fPosX,
|
|
fPosY));
|
|
}
|
|
else
|
|
{
|
|
nTiles++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return nTiles;
|
|
}
|
|
} // end of namespace texture
|
|
} // end of namespace drawinglayer
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|