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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /drawinglayer/source/texture
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drawinglayer/source/texture')
-rw-r--r--drawinglayer/source/texture/texture.cxx1082
-rw-r--r--drawinglayer/source/texture/texture3d.cxx352
2 files changed, 1434 insertions, 0 deletions
diff --git a/drawinglayer/source/texture/texture.cxx b/drawinglayer/source/texture/texture.cxx
new file mode 100644
index 0000000000..ccfaa13bd8
--- /dev/null
+++ b/drawinglayer/source/texture/texture.cxx
@@ -0,0 +1,1082 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+#include <limits>
+
+#include <texture/texture.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/utils/gradienttools.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+#include <comphelper/random.hxx>
+
+namespace drawinglayer::texture
+{
+ namespace
+ {
+ double getRandomColorRange()
+ {
+ return comphelper::rng::uniform_real_distribution(0.0, nextafter(1.0, DBL_MAX));
+ }
+ }
+
+ GeoTexSvx::GeoTexSvx()
+ {
+ }
+
+ GeoTexSvx::~GeoTexSvx()
+ {
+ }
+
+ bool GeoTexSvx::operator==(const GeoTexSvx& /*rGeoTexSvx*/) const
+ {
+ // default implementation says yes (no data -> no difference)
+ return true;
+ }
+
+ void GeoTexSvx::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // base implementation creates random color (for testing only, may also be pure virtual)
+ rBColor.setRed(getRandomColorRange());
+ rBColor.setGreen(getRandomColorRange());
+ rBColor.setBlue(getRandomColorRange());
+ }
+
+ void GeoTexSvx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
+ {
+ // base implementation uses inverse of luminance of solved color (for testing only, may also be pure virtual)
+ basegfx::BColor aBaseColor;
+ modifyBColor(rUV, aBaseColor, rfOpacity);
+ rfOpacity = 1.0 - aBaseColor.luminance();
+ }
+
+
+ GeoTexSvxGradient::GeoTexSvxGradient(
+ const basegfx::B2DRange& rDefinitionRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder)
+ : maDefinitionRange(rDefinitionRange)
+ , mnRequestedSteps(nRequestedSteps)
+ , mnColorStops(rColorStops)
+ , mfBorder(fBorder)
+ , maLastColorStopRange()
+ {
+ }
+
+ GeoTexSvxGradient::~GeoTexSvxGradient()
+ {
+ }
+
+ bool GeoTexSvxGradient::operator==(const GeoTexSvx& rGeoTexSvx) const
+ {
+ const GeoTexSvxGradient* pCompare = dynamic_cast< const GeoTexSvxGradient* >(&rGeoTexSvx);
+
+ return (pCompare
+ && maGradientInfo == pCompare->maGradientInfo
+ && maDefinitionRange == pCompare->maDefinitionRange
+ && mnRequestedSteps == pCompare->mnRequestedSteps
+ && mnColorStops == pCompare->mnColorStops
+ && mfBorder == pCompare->mfBorder);
+ }
+
+ GeoTexSvxGradientLinear::GeoTexSvxGradientLinear(
+ const basegfx::B2DRange& rDefinitionRange,
+ const basegfx::B2DRange& rOutputRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder,
+ double fAngle)
+ : GeoTexSvxGradient(rDefinitionRange, nRequestedSteps, rColorStops, fBorder)
+ , mfUnitMinX(0.0)
+ , mfUnitWidth(1.0)
+ , mfUnitMaxY(1.0)
+ {
+ maGradientInfo = basegfx::utils::createLinearODFGradientInfo(
+ rDefinitionRange,
+ nRequestedSteps,
+ fBorder,
+ fAngle);
+
+ if(rDefinitionRange != rOutputRange)
+ {
+ basegfx::B2DRange aInvOutputRange(rOutputRange);
+
+ aInvOutputRange.transform(maGradientInfo.getBackTextureTransform());
+ mfUnitMinX = aInvOutputRange.getMinX();
+ mfUnitWidth = aInvOutputRange.getWidth();
+ mfUnitMaxY = aInvOutputRange.getMaxY();
+ }
+ }
+
+ GeoTexSvxGradientLinear::~GeoTexSvxGradientLinear()
+ {
+ }
+
+ void GeoTexSvxGradientLinear::appendTransformationsAndColors(
+ std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback)
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // only one color, done
+ if (mnColorStops.size() < 2)
+ return;
+
+ // check if we need last-ColorStop-correction
+ const bool bPenultimateUsed(mnColorStops.checkPenultimate());
+
+ if (bPenultimateUsed)
+ {
+ // Here we need to temporarily add a ColorStop entry with the
+ // same color as the last entry to correctly 'close' the
+ // created gradient geometry.
+ // The simplest way is to temporarily add an entry to the local
+ // ColorStops for this at 1.0 (using same color)
+ mnColorStops.emplace_back(1.0, mnColorStops.back().getStopColor());
+ }
+
+ // prepare unit range transform
+ basegfx::B2DHomMatrix aPattern;
+
+ // bring from unit circle [-1, -1, 1, 1] to unit range [0, 0, 1, 1]
+ aPattern.scale(0.5, 0.5);
+ aPattern.translate(0.5, 0.5);
+
+ // scale and translate in X
+ aPattern.scale(mfUnitWidth, 1.0);
+ aPattern.translate(mfUnitMinX, 0.0);
+
+ // outer loop over ColorStops, each is from cs_l to cs_r
+ for (auto cs_l(mnColorStops.begin()), cs_r(cs_l + 1); cs_r != mnColorStops.end(); cs_l++, cs_r++)
+ {
+ // get offsets
+ const double fOffsetStart(cs_l->getStopOffset());
+ const double fOffsetEnd(cs_r->getStopOffset());
+
+ // same offset, empty BColorStopRange, continue with next step
+ if (basegfx::fTools::equal(fOffsetStart, fOffsetEnd))
+ continue;
+
+ // get colors & calculate steps
+ const basegfx::BColor aCStart(cs_l->getStopColor());
+ const basegfx::BColor aCEnd(cs_r->getStopColor());
+ const sal_uInt32 nSteps(basegfx::utils::calculateNumberOfSteps(
+ maGradientInfo.getRequestedSteps(), aCStart, aCEnd));
+
+ // calculate StripeWidth
+ // nSteps is >= 1, see getRequestedSteps, so no check needed here
+ const double fStripeWidth((fOffsetEnd - fOffsetStart) / nSteps);
+
+ // for the 1st color range we do not need to create the 1st step
+ // since it will be equal to StartColor and thus OuterColor, so
+ // will be painted by the 1st, always-created background polygon
+ // colored using OuterColor.
+ // We *need* to create this though for all 'inner' color ranges
+ // to get a correct start
+ const sal_uInt32 nStartInnerLoop(cs_l == mnColorStops.begin() ? 1 : 0);
+
+ for (sal_uInt32 innerLoop(nStartInnerLoop); innerLoop < nSteps; innerLoop++)
+ {
+ // calculate pos in Y
+ const double fPos(fOffsetStart + (fStripeWidth * innerLoop));
+
+ // scale and translate in Y. For GradientLinear we always have
+ // the full height
+ double fHeight(1.0 - fPos);
+
+ if (mfUnitMaxY > 1.0)
+ {
+ // extend when difference between definition and OutputRange exists
+ fHeight += mfUnitMaxY - 1.0;
+ }
+
+ basegfx::B2DHomMatrix aNew(aPattern);
+ aNew.scale(1.0, fHeight);
+ aNew.translate(0.0, fPos);
+
+ // set and add at target
+ aCallback(
+ maGradientInfo.getTextureTransform() * aNew,
+ 1 == nSteps ? aCStart : basegfx::BColor(interpolate(aCStart, aCEnd, double(innerLoop) / double(nSteps - 1))));
+ }
+ }
+
+ if (bPenultimateUsed)
+ {
+ // correct temporary change
+ mnColorStops.pop_back();
+ }
+ }
+
+ void GeoTexSvxGradientLinear::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // just single color, done
+ if (mnColorStops.size() < 2)
+ {
+ rBColor = mnColorStops.front().getStopColor();
+ return;
+ }
+
+ // texture-back-transform X/Y -> t [0.0..1.0] and determine color
+ const double fScaler(basegfx::utils::getLinearGradientAlpha(rUV, maGradientInfo));
+ rBColor = mnColorStops.getInterpolatedBColor(fScaler, mnRequestedSteps, maLastColorStopRange);
+ }
+
+ GeoTexSvxGradientAxial::GeoTexSvxGradientAxial(
+ const basegfx::B2DRange& rDefinitionRange,
+ const basegfx::B2DRange& rOutputRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder,
+ double fAngle)
+ : GeoTexSvxGradient(rDefinitionRange, nRequestedSteps, rColorStops, fBorder)
+ , mfUnitMinX(0.0)
+ , mfUnitWidth(1.0)
+ {
+ // ARGH! GradientAxial uses the ColorStops in reverse order compared
+ // with the other gradients. Either stay 'thinking reverse' for the
+ // rest of time or adapt it here and go in same order as the other five,
+ // so unifications/tooling will be possible
+ mnColorStops.reverseColorStops();
+
+ maGradientInfo = basegfx::utils::createAxialODFGradientInfo(
+ rDefinitionRange,
+ nRequestedSteps,
+ fBorder,
+ fAngle);
+
+ if(rDefinitionRange != rOutputRange)
+ {
+ basegfx::B2DRange aInvOutputRange(rOutputRange);
+
+ aInvOutputRange.transform(maGradientInfo.getBackTextureTransform());
+ mfUnitMinX = aInvOutputRange.getMinX();
+ mfUnitWidth = aInvOutputRange.getWidth();
+ }
+ }
+
+ GeoTexSvxGradientAxial::~GeoTexSvxGradientAxial()
+ {
+ }
+
+ void GeoTexSvxGradientAxial::appendTransformationsAndColors(
+ std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback)
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // only one color, done
+ if (mnColorStops.size() < 2)
+ return;
+
+ // check if we need last-ColorStop-correction
+ const bool bPenultimateUsed(mnColorStops.checkPenultimate());
+
+ if (bPenultimateUsed)
+ {
+ // temporarily add a ColorStop entry
+ mnColorStops.emplace_back(1.0, mnColorStops.back().getStopColor());
+ }
+
+ // prepare unit range transform
+ basegfx::B2DHomMatrix aPattern;
+
+ // bring in X from unit circle [-1, -1, 1, 1] to unit range [0, 0, 1, 1]
+ aPattern.scale(0.5, 1.0);
+ aPattern.translate(0.5, 0.0);
+
+ // scale/translate in X
+ aPattern.scale(mfUnitWidth, 1.0);
+ aPattern.translate(mfUnitMinX, 0.0);
+
+ // outer loop over ColorStops, each is from cs_l to cs_r
+ for (auto cs_l(mnColorStops.begin()), cs_r(cs_l + 1); cs_r != mnColorStops.end(); cs_l++, cs_r++)
+ {
+ // get offsets
+ const double fOffsetStart(cs_l->getStopOffset());
+ const double fOffsetEnd(cs_r->getStopOffset());
+
+ // same offset, empty BColorStopRange, continue with next step
+ if (basegfx::fTools::equal(fOffsetStart, fOffsetEnd))
+ continue;
+
+ // get colors & calculate steps
+ const basegfx::BColor aCStart(cs_l->getStopColor());
+ const basegfx::BColor aCEnd(cs_r->getStopColor());
+ const sal_uInt32 nSteps(basegfx::utils::calculateNumberOfSteps(
+ maGradientInfo.getRequestedSteps(), aCStart, aCEnd));
+
+ // calculate StripeWidth
+ // nSteps is >= 1, see getRequestedSteps, so no check needed here
+ const double fStripeWidth((fOffsetEnd - fOffsetStart) / nSteps);
+
+ // for the 1st color range we do not need to create the 1st step, see above
+ const sal_uInt32 nStartInnerLoop(cs_l == mnColorStops.begin() ? 1 : 0);
+
+ for (sal_uInt32 innerLoop(nStartInnerLoop); innerLoop < nSteps; innerLoop++)
+ {
+ // calculate pos in Y
+ const double fPos(fOffsetStart + (fStripeWidth * innerLoop));
+
+ // already centered in Y on X-Axis, just scale in Y
+ basegfx::B2DHomMatrix aNew(aPattern);
+ aNew.scale(1.0, 1.0 - fPos);
+
+ // set and add at target
+ aCallback(
+ maGradientInfo.getTextureTransform() * aNew,
+ 1 == nSteps ? aCStart : basegfx::BColor(interpolate(aCStart, aCEnd, double(innerLoop) / double(nSteps - 1))));
+ }
+ }
+
+ if (bPenultimateUsed)
+ {
+ // correct temporary change
+ mnColorStops.pop_back();
+ }
+ }
+
+ void GeoTexSvxGradientAxial::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // just single color, done
+ if (mnColorStops.size() < 2)
+ {
+ // we use the reverse ColorSteps here, so use front value
+ rBColor = mnColorStops.front().getStopColor();
+ return;
+ }
+
+ // texture-back-transform X/Y -> t [0.0..1.0] and determine color
+ const double fScaler(basegfx::utils::getAxialGradientAlpha(rUV, maGradientInfo));
+
+ // we use the reverse ColorSteps here, so mirror scaler value
+ rBColor = mnColorStops.getInterpolatedBColor(1.0 - fScaler, mnRequestedSteps, maLastColorStopRange);
+ }
+
+
+ GeoTexSvxGradientRadial::GeoTexSvxGradientRadial(
+ const basegfx::B2DRange& rDefinitionRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder,
+ double fOffsetX,
+ double fOffsetY)
+ : GeoTexSvxGradient(rDefinitionRange, nRequestedSteps, rColorStops, fBorder)
+ {
+ maGradientInfo = basegfx::utils::createRadialODFGradientInfo(
+ rDefinitionRange,
+ basegfx::B2DVector(fOffsetX,fOffsetY),
+ nRequestedSteps,
+ fBorder);
+ }
+
+ GeoTexSvxGradientRadial::~GeoTexSvxGradientRadial()
+ {
+ }
+
+ void GeoTexSvxGradientRadial::appendTransformationsAndColors(
+ std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback)
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // only one color, done
+ if (mnColorStops.size() < 2)
+ return;
+
+ // check if we need last-ColorStop-correction
+ const bool bPenultimateUsed(mnColorStops.checkPenultimate());
+
+ if (bPenultimateUsed)
+ {
+ // temporarily add a ColorStop entry
+ mnColorStops.emplace_back(1.0, mnColorStops.back().getStopColor());
+ }
+
+ // outer loop over ColorStops, each is from cs_l to cs_r
+ for (auto cs_l(mnColorStops.begin()), cs_r(cs_l + 1); cs_r != mnColorStops.end(); cs_l++, cs_r++)
+ {
+ // get offsets
+ const double fOffsetStart(cs_l->getStopOffset());
+ const double fOffsetEnd(cs_r->getStopOffset());
+
+ // same offset, empty BColorStopRange, continue with next step
+ if (basegfx::fTools::equal(fOffsetStart, fOffsetEnd))
+ continue;
+
+ // get colors & calculate steps
+ const basegfx::BColor aCStart(cs_l->getStopColor());
+ const basegfx::BColor aCEnd(cs_r->getStopColor());
+ const sal_uInt32 nSteps(basegfx::utils::calculateNumberOfSteps(
+ maGradientInfo.getRequestedSteps(), aCStart, aCEnd));
+
+ // calculate StripeWidth
+ const double fStripeWidth((fOffsetEnd - fOffsetStart) / nSteps);
+
+ // get correct start for inner loop (see above)
+ const sal_uInt32 nStartInnerLoop(cs_l == mnColorStops.begin() ? 1 : 0);
+
+ for (sal_uInt32 innerLoop(nStartInnerLoop); innerLoop < nSteps; innerLoop++)
+ {
+ // calculate size/radius
+ const double fSize(1.0 - (fOffsetStart + (fStripeWidth * innerLoop)));
+
+ // set and add at target
+ aCallback(
+ maGradientInfo.getTextureTransform() * basegfx::utils::createScaleB2DHomMatrix(fSize, fSize),
+ 1 == nSteps ? aCStart : basegfx::BColor(interpolate(aCStart, aCEnd, double(innerLoop) / double(nSteps - 1))));
+ }
+ }
+
+ if (bPenultimateUsed)
+ {
+ // correct temporary change
+ mnColorStops.pop_back();
+ }
+ }
+
+ void GeoTexSvxGradientRadial::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // just single color, done
+ if (mnColorStops.size() < 2)
+ {
+ rBColor = mnColorStops.front().getStopColor();
+ return;
+ }
+
+ // texture-back-transform X/Y -> t [0.0..1.0] and determine color
+ const double fScaler(basegfx::utils::getRadialGradientAlpha(rUV, maGradientInfo));
+ rBColor = mnColorStops.getInterpolatedBColor(fScaler, mnRequestedSteps, maLastColorStopRange);
+ }
+
+
+ GeoTexSvxGradientElliptical::GeoTexSvxGradientElliptical(
+ const basegfx::B2DRange& rDefinitionRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder,
+ double fOffsetX,
+ double fOffsetY,
+ double fAngle)
+ : GeoTexSvxGradient(rDefinitionRange, nRequestedSteps, rColorStops, fBorder)
+ {
+ maGradientInfo = basegfx::utils::createEllipticalODFGradientInfo(
+ rDefinitionRange,
+ basegfx::B2DVector(fOffsetX,fOffsetY),
+ nRequestedSteps,
+ fBorder,
+ fAngle);
+ }
+
+ GeoTexSvxGradientElliptical::~GeoTexSvxGradientElliptical()
+ {
+ }
+
+ void GeoTexSvxGradientElliptical::appendTransformationsAndColors(
+ std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback)
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // only one color, done
+ if (mnColorStops.size() < 2)
+ return;
+
+ // check if we need last-ColorStop-correction
+ const bool bPenultimateUsed(mnColorStops.checkPenultimate());
+
+ if (bPenultimateUsed)
+ {
+ // temporarily add a ColorStop entry
+ mnColorStops.emplace_back(1.0, mnColorStops.back().getStopColor());
+ }
+
+ // prepare vars dependent on aspect ratio
+ const double fAR(maGradientInfo.getAspectRatio());
+ const bool bMTO(fAR > 1.0);
+
+ // outer loop over ColorStops, each is from cs_l to cs_r
+ for (auto cs_l(mnColorStops.begin()), cs_r(cs_l + 1); cs_r != mnColorStops.end(); cs_l++, cs_r++)
+ {
+ // get offsets
+ const double fOffsetStart(cs_l->getStopOffset());
+ const double fOffsetEnd(cs_r->getStopOffset());
+
+ // same offset, empty BColorStopRange, continue with next step
+ if (basegfx::fTools::equal(fOffsetStart, fOffsetEnd))
+ continue;
+
+ // get colors & calculate steps
+ const basegfx::BColor aCStart(cs_l->getStopColor());
+ const basegfx::BColor aCEnd(cs_r->getStopColor());
+ const sal_uInt32 nSteps(basegfx::utils::calculateNumberOfSteps(
+ maGradientInfo.getRequestedSteps(), aCStart, aCEnd));
+
+ // calculate StripeWidth
+ const double fStripeWidth((fOffsetEnd - fOffsetStart) / nSteps);
+
+ // get correct start for inner loop (see above)
+ const sal_uInt32 nStartInnerLoop(cs_l == mnColorStops.begin() ? 1 : 0);
+
+ for (sal_uInt32 innerLoop(nStartInnerLoop); innerLoop < nSteps; innerLoop++)
+ {
+ // calculate offset position for entry
+ const double fSize(fOffsetStart + (fStripeWidth * innerLoop));
+
+ // set and add at target
+ aCallback(
+ maGradientInfo.getTextureTransform()
+ * basegfx::utils::createScaleB2DHomMatrix(
+ 1.0 - (bMTO ? fSize / fAR : fSize),
+ 1.0 - (bMTO ? fSize : fSize * fAR)),
+ 1 == nSteps ? aCStart : basegfx::BColor(interpolate(aCStart, aCEnd, double(innerLoop) / double(nSteps - 1))));
+ }
+ }
+
+ if (bPenultimateUsed)
+ {
+ // correct temporary change
+ mnColorStops.pop_back();
+ }
+ }
+
+ void GeoTexSvxGradientElliptical::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // just single color, done
+ if (mnColorStops.size() < 2)
+ {
+ rBColor = mnColorStops.front().getStopColor();
+ return;
+ }
+
+ // texture-back-transform X/Y -> t [0.0..1.0] and determine color
+ const double fScaler(basegfx::utils::getEllipticalGradientAlpha(rUV, maGradientInfo));
+ rBColor = mnColorStops.getInterpolatedBColor(fScaler, mnRequestedSteps, maLastColorStopRange);
+ }
+
+
+ GeoTexSvxGradientSquare::GeoTexSvxGradientSquare(
+ const basegfx::B2DRange& rDefinitionRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder,
+ double fOffsetX,
+ double fOffsetY,
+ double fAngle)
+ : GeoTexSvxGradient(rDefinitionRange, nRequestedSteps, rColorStops, fBorder)
+ {
+ maGradientInfo = basegfx::utils::createSquareODFGradientInfo(
+ rDefinitionRange,
+ basegfx::B2DVector(fOffsetX,fOffsetY),
+ nRequestedSteps,
+ fBorder,
+ fAngle);
+ }
+
+ GeoTexSvxGradientSquare::~GeoTexSvxGradientSquare()
+ {
+ }
+
+ void GeoTexSvxGradientSquare::appendTransformationsAndColors(
+ std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback)
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // only one color, done
+ if (mnColorStops.size() < 2)
+ return;
+
+ // check if we need last-ColorStop-correction
+ const bool bPenultimateUsed(mnColorStops.checkPenultimate());
+
+ if (bPenultimateUsed)
+ {
+ // temporarily add a ColorStop entry
+ mnColorStops.emplace_back(1.0, mnColorStops.back().getStopColor());
+ }
+
+ // outer loop over ColorStops, each is from cs_l to cs_r
+ for (auto cs_l(mnColorStops.begin()), cs_r(cs_l + 1); cs_r != mnColorStops.end(); cs_l++, cs_r++)
+ {
+ // get offsets
+ const double fOffsetStart(cs_l->getStopOffset());
+ const double fOffsetEnd(cs_r->getStopOffset());
+
+ // same offset, empty BColorStopRange, continue with next step
+ if (basegfx::fTools::equal(fOffsetStart, fOffsetEnd))
+ continue;
+
+ // get colors & calculate steps
+ const basegfx::BColor aCStart(cs_l->getStopColor());
+ const basegfx::BColor aCEnd(cs_r->getStopColor());
+ const sal_uInt32 nSteps(basegfx::utils::calculateNumberOfSteps(
+ maGradientInfo.getRequestedSteps(), aCStart, aCEnd));
+
+ // calculate StripeWidth
+ const double fStripeWidth((fOffsetEnd - fOffsetStart) / nSteps);
+
+ // get correct start for inner loop (see above)
+ const sal_uInt32 nStartInnerLoop(cs_l == mnColorStops.begin() ? 1 : 0);
+
+ for (sal_uInt32 innerLoop(nStartInnerLoop); innerLoop < nSteps; innerLoop++)
+ {
+ // calculate size/radius
+ const double fSize(1.0 - (fOffsetStart + (fStripeWidth * innerLoop)));
+
+ // set and add at target
+ aCallback(
+ maGradientInfo.getTextureTransform() * basegfx::utils::createScaleB2DHomMatrix(fSize, fSize),
+ 1 == nSteps ? aCStart : basegfx::BColor(interpolate(aCStart, aCEnd, double(innerLoop) / double(nSteps - 1))));
+ }
+ }
+
+ if (bPenultimateUsed)
+ {
+ // correct temporary change
+ mnColorStops.pop_back();
+ }
+ }
+
+ void GeoTexSvxGradientSquare::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // just single color, done
+ if (mnColorStops.size() < 2)
+ {
+ rBColor = mnColorStops.front().getStopColor();
+ return;
+ }
+
+ // texture-back-transform X/Y -> t [0.0..1.0] and determine color
+ const double fScaler(basegfx::utils::getSquareGradientAlpha(rUV, maGradientInfo));
+ rBColor = mnColorStops.getInterpolatedBColor(fScaler, mnRequestedSteps, maLastColorStopRange);
+ }
+
+
+ GeoTexSvxGradientRect::GeoTexSvxGradientRect(
+ const basegfx::B2DRange& rDefinitionRange,
+ sal_uInt32 nRequestedSteps,
+ const basegfx::BColorStops& rColorStops,
+ double fBorder,
+ double fOffsetX,
+ double fOffsetY,
+ double fAngle)
+ : GeoTexSvxGradient(rDefinitionRange, nRequestedSteps, rColorStops, fBorder)
+ {
+ maGradientInfo = basegfx::utils::createRectangularODFGradientInfo(
+ rDefinitionRange,
+ basegfx::B2DVector(fOffsetX,fOffsetY),
+ nRequestedSteps,
+ fBorder,
+ fAngle);
+ }
+
+ GeoTexSvxGradientRect::~GeoTexSvxGradientRect()
+ {
+ }
+
+ void GeoTexSvxGradientRect::appendTransformationsAndColors(
+ std::function<void(const basegfx::B2DHomMatrix& rMatrix, const basegfx::BColor& rColor)> aCallback)
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // only one color, done
+ if (mnColorStops.size() < 2)
+ return;
+
+ // check if we need last-ColorStop-correction
+ const bool bPenultimateUsed(mnColorStops.checkPenultimate());
+
+ if (bPenultimateUsed)
+ {
+ // temporarily add a ColorStop entry
+ mnColorStops.emplace_back(1.0, mnColorStops.back().getStopColor());
+ }
+
+ // prepare vars dependent on aspect ratio
+ const double fAR(maGradientInfo.getAspectRatio());
+ const bool bMTO(fAR > 1.0);
+
+ // outer loop over ColorStops, each is from cs_l to cs_r
+ for (auto cs_l(mnColorStops.begin()), cs_r(cs_l + 1); cs_r != mnColorStops.end(); cs_l++, cs_r++)
+ {
+ // get offsets
+ const double fOffsetStart(cs_l->getStopOffset());
+ const double fOffsetEnd(cs_r->getStopOffset());
+
+ // same offset, empty BColorStopRange, continue with next step
+ if (basegfx::fTools::equal(fOffsetStart, fOffsetEnd))
+ continue;
+
+ // get colors & calculate steps
+ const basegfx::BColor aCStart(cs_l->getStopColor());
+ const basegfx::BColor aCEnd(cs_r->getStopColor());
+ const sal_uInt32 nSteps(basegfx::utils::calculateNumberOfSteps(
+ maGradientInfo.getRequestedSteps(), aCStart, aCEnd));
+
+ // calculate StripeWidth
+ const double fStripeWidth((fOffsetEnd - fOffsetStart) / nSteps);
+
+ // get correct start for inner loop (see above)
+ const sal_uInt32 nStartInnerLoop(cs_l == mnColorStops.begin() ? 1 : 0);
+
+ for (sal_uInt32 innerLoop(nStartInnerLoop); innerLoop < nSteps; innerLoop++)
+ {
+ // calculate offset position for entry
+ const double fSize(fOffsetStart + (fStripeWidth * innerLoop));
+
+ // set and add at target
+ aCallback(
+ maGradientInfo.getTextureTransform()
+ * basegfx::utils::createScaleB2DHomMatrix(
+ 1.0 - (bMTO ? fSize / fAR : fSize),
+ 1.0 - (bMTO ? fSize : fSize * fAR)),
+ 1 == nSteps ? aCStart : basegfx::BColor(interpolate(aCStart, aCEnd, double(innerLoop) / double(nSteps - 1))));
+ }
+ }
+
+ if (bPenultimateUsed)
+ {
+ // correct temporary change
+ mnColorStops.pop_back();
+ }
+ }
+
+ void GeoTexSvxGradientRect::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ // no color at all, done
+ if (mnColorStops.empty())
+ return;
+
+ // just single color, done
+ if (mnColorStops.size() < 2)
+ {
+ rBColor = mnColorStops.front().getStopColor();
+ return;
+ }
+
+ // texture-back-transform X/Y -> t [0.0..1.0] and determine color
+ const double fScaler(basegfx::utils::getRectangularGradientAlpha(rUV, maGradientInfo));
+ rBColor = mnColorStops.getInterpolatedBColor(fScaler, mnRequestedSteps, maLastColorStopRange);
+ }
+
+
+ GeoTexSvxHatch::GeoTexSvxHatch(
+ const basegfx::B2DRange& rDefinitionRange,
+ const basegfx::B2DRange& rOutputRange,
+ double fDistance,
+ double fAngle)
+ : maOutputRange(rOutputRange),
+ 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 * static_cast<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
+ {
+ // the below is an inlined and optimised version of
+ // const basegfx::B2DPoint aCoor(getBackTextureTransform() * rUV);
+ // return fmod(aCoor.getY(), mfDistance);
+
+ const basegfx::B2DHomMatrix& rMat = getBackTextureTransform();
+ double fX = rUV.getX();
+ double fY = rUV.getY();
+
+ double fTempY(
+ rMat.get(1, 0) * fX +
+ rMat.get(1, 1) * fY +
+ rMat.get(1, 2));
+
+ return fmod(fTempY, mfDistance);
+ }
+
+ const basegfx::B2DHomMatrix& GeoTexSvxHatch::getBackTextureTransform() const
+ {
+ if(maBackTextureTransform.isIdentity())
+ {
+ const_cast< GeoTexSvxHatch* >(this)->maBackTextureTransform = maTextureTransform;
+ const_cast< GeoTexSvxHatch* >(this)->maBackTextureTransform.invert();
+ }
+
+ return maBackTextureTransform;
+ }
+
+
+ GeoTexSvxTiled::GeoTexSvxTiled(
+ const basegfx::B2DRange& rRange,
+ double fOffsetX,
+ double fOffsetY)
+ : maRange(rRange),
+ mfOffsetX(std::clamp(fOffsetX, 0.0, 1.0)),
+ mfOffsetY(std::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
+ {
+ sal_Int32 nTiles = 0;
+ iterateTiles([&](double, double) { ++nTiles; });
+ return nTiles;
+ }
+
+ void GeoTexSvxTiled::appendTransformations(std::vector< basegfx::B2DHomMatrix >& rMatrices) const
+ {
+ const double fWidth(maRange.getWidth());
+ const double fHeight(maRange.getHeight());
+ iterateTiles([&](double fPosX, double fPosY) {
+ rMatrices.push_back(basegfx::utils::createScaleTranslateB2DHomMatrix(
+ fWidth,
+ fHeight,
+ fPosX,
+ fPosY));
+ });
+ }
+
+ void GeoTexSvxTiled::iterateTiles(std::function<void(double fPosX, double fPosY)> aFunc) const
+ {
+ const double fWidth(maRange.getWidth());
+
+ if(basegfx::fTools::equalZero(fWidth))
+ return;
+
+ const double fHeight(maRange.getHeight());
+
+ if(basegfx::fTools::equalZero(fHeight))
+ return;
+
+ 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)
+ aFunc(fPosX, fPosY);
+ }
+ }
+ 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)
+ aFunc(fPosX, fPosY);
+ }
+ }
+
+ }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/source/texture/texture3d.cxx b/drawinglayer/source/texture/texture3d.cxx
new file mode 100644
index 0000000000..3ee751cbbd
--- /dev/null
+++ b/drawinglayer/source/texture/texture3d.cxx
@@ -0,0 +1,352 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <algorithm>
+
+#include <texture/texture3d.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+#include <vcl/BitmapTools.hxx>
+#include <primitive3d/hatchtextureprimitive3d.hxx>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+
+namespace drawinglayer::texture
+{
+ GeoTexSvxMono::GeoTexSvxMono(
+ const basegfx::BColor& rSingleColor,
+ double fOpacity)
+ : maSingleColor(rSingleColor),
+ mfOpacity(fOpacity)
+ {
+ }
+
+ bool GeoTexSvxMono::operator==(const GeoTexSvx& rGeoTexSvx) const
+ {
+ const GeoTexSvxMono* pCompare = dynamic_cast< const GeoTexSvxMono* >(&rGeoTexSvx);
+
+ return (pCompare
+ && maSingleColor == pCompare->maSingleColor
+ && mfOpacity == pCompare->mfOpacity);
+ }
+
+ void GeoTexSvxMono::modifyBColor(const basegfx::B2DPoint& /*rUV*/, basegfx::BColor& rBColor, double& /*rfOpacity*/) const
+ {
+ rBColor = maSingleColor;
+ }
+
+ void GeoTexSvxMono::modifyOpacity(const basegfx::B2DPoint& /*rUV*/, double& rfOpacity) const
+ {
+ rfOpacity = mfOpacity;
+ }
+
+
+ GeoTexSvxBitmapEx::GeoTexSvxBitmapEx(
+ const BitmapEx& rBitmapEx,
+ const basegfx::B2DRange& rRange)
+ : maBitmapEx(rBitmapEx),
+ maTopLeft(rRange.getMinimum()),
+ maSize(rRange.getRange()),
+ mfMulX(0.0),
+ mfMulY(0.0),
+ mbIsAlpha(maBitmapEx.IsAlpha())
+ {
+ if(vcl::bitmap::convertBitmap32To24Plus8(maBitmapEx,maBitmapEx))
+ mbIsAlpha = maBitmapEx.IsAlpha();
+ // #121194# Todo: use alpha channel, too (for 3d)
+ maBitmap = maBitmapEx.GetBitmap();
+
+ if(mbIsAlpha)
+ {
+ maTransparence = rBitmapEx.GetAlphaMask().GetBitmap();
+ mpReadTransparence = maTransparence;
+ }
+
+ if (!maBitmap.IsEmpty())
+ mpReadBitmap = maBitmap;
+ SAL_WARN_IF(!mpReadBitmap, "drawinglayer", "GeoTexSvxBitmapEx: Got no read access to Bitmap");
+ if (mpReadBitmap)
+ {
+ mfMulX = static_cast<double>(mpReadBitmap->Width()) / maSize.getX();
+ mfMulY = static_cast<double>(mpReadBitmap->Height()) / maSize.getY();
+ }
+
+ if(maSize.getX() <= 1.0)
+ {
+ maSize.setX(1.0);
+ }
+
+ if(maSize.getY() <= 1.0)
+ {
+ maSize.setY(1.0);
+ }
+ }
+
+ GeoTexSvxBitmapEx::~GeoTexSvxBitmapEx()
+ {
+ }
+
+ sal_uInt8 GeoTexSvxBitmapEx::impGetTransparence(sal_Int32 rX, sal_Int32 rY) const
+ {
+ if(mbIsAlpha)
+ {
+ OSL_ENSURE(mpReadTransparence, "OOps, transparence type Bitmap, but no read access created in the constructor (?)");
+ const BitmapColor aBitmapColor(mpReadTransparence->GetPixel(rY, rX));
+ return aBitmapColor.GetIndex();
+ }
+ return 0;
+ }
+
+ bool GeoTexSvxBitmapEx::impIsValid(const basegfx::B2DPoint& rUV, sal_Int32& rX, sal_Int32& rY) const
+ {
+ if(mpReadBitmap)
+ {
+ rX = static_cast<sal_Int32>((rUV.getX() - maTopLeft.getX()) * mfMulX);
+
+ if(rX >= 0 && rX < mpReadBitmap->Width())
+ {
+ rY = static_cast<sal_Int32>((rUV.getY() - maTopLeft.getY()) * mfMulY);
+
+ return (rY >= 0 && rY < mpReadBitmap->Height());
+ }
+ }
+
+ return false;
+ }
+
+ void GeoTexSvxBitmapEx::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
+ {
+ sal_Int32 nX, nY;
+
+ if(impIsValid(rUV, nX, nY))
+ {
+ const double fConvertColor(1.0 / 255.0);
+ const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
+ const basegfx::BColor aBSource(
+ static_cast<double>(aBMCol.GetRed()) * fConvertColor,
+ static_cast<double>(aBMCol.GetGreen()) * fConvertColor,
+ static_cast<double>(aBMCol.GetBlue()) * fConvertColor);
+
+ rBColor = aBSource;
+
+ if(mbIsAlpha)
+ {
+ // when we have a transparence, make use of it
+ const sal_uInt8 aLuminance(impGetTransparence(nX, nY));
+
+ rfOpacity = (static_cast<double>(0xff - aLuminance) * (1.0 / 255.0));
+ }
+ else
+ {
+ rfOpacity = 1.0;
+ }
+ }
+ else
+ {
+ rfOpacity = 0.0;
+ }
+ }
+
+ void GeoTexSvxBitmapEx::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
+ {
+ sal_Int32 nX, nY;
+
+ if(impIsValid(rUV, nX, nY))
+ {
+ if(mbIsAlpha)
+ {
+ // this texture has an alpha part, use it
+ const sal_uInt8 aLuminance(impGetTransparence(nX, nY));
+ const double fNewOpacity(static_cast<double>(0xff - aLuminance) * (1.0 / 255.0));
+
+ rfOpacity = 1.0 - ((1.0 - fNewOpacity) * (1.0 - rfOpacity));
+ }
+ else
+ {
+ // this texture is a color bitmap used as transparence map
+ const BitmapColor aBMCol(mpReadBitmap->GetColor(nY, nX));
+ const Color aColor(aBMCol.GetRed(), aBMCol.GetGreen(), aBMCol.GetBlue());
+
+ rfOpacity = (static_cast<double>(0xff - aColor.GetLuminance()) * (1.0 / 255.0));
+ }
+ }
+ else
+ {
+ rfOpacity = 0.0;
+ }
+ }
+
+
+ basegfx::B2DPoint GeoTexSvxBitmapExTiled::impGetCorrected(const basegfx::B2DPoint& rUV) const
+ {
+ double fX(rUV.getX() - maTopLeft.getX());
+ double fY(rUV.getY() - maTopLeft.getY());
+
+ if(mbUseOffsetX)
+ {
+ const sal_Int32 nCol(static_cast< sal_Int32 >((fY < 0.0 ? maSize.getY() -fY : fY) / maSize.getY()));
+
+ if(nCol % 2)
+ {
+ fX += mfOffsetX * maSize.getX();
+ }
+ }
+ else if(mbUseOffsetY)
+ {
+ const sal_Int32 nRow(static_cast< sal_Int32 >((fX < 0.0 ? maSize.getX() -fX : fX) / maSize.getX()));
+
+ if(nRow % 2)
+ {
+ fY += mfOffsetY * maSize.getY();
+ }
+ }
+
+ fX = fmod(fX, maSize.getX());
+ fY = fmod(fY, maSize.getY());
+
+ if(fX < 0.0)
+ {
+ fX += maSize.getX();
+ }
+
+ if(fY < 0.0)
+ {
+ fY += maSize.getY();
+ }
+
+ return basegfx::B2DPoint(fX + maTopLeft.getX(), fY + maTopLeft.getY());
+ }
+
+ GeoTexSvxBitmapExTiled::GeoTexSvxBitmapExTiled(
+ const BitmapEx& rBitmapEx,
+ const basegfx::B2DRange& rRange,
+ double fOffsetX,
+ double fOffsetY)
+ : GeoTexSvxBitmapEx(rBitmapEx, rRange),
+ mfOffsetX(std::clamp(fOffsetX, 0.0, 1.0)),
+ mfOffsetY(std::clamp(fOffsetY, 0.0, 1.0)),
+ mbUseOffsetX(!basegfx::fTools::equalZero(mfOffsetX)),
+ mbUseOffsetY(!mbUseOffsetX && !basegfx::fTools::equalZero(mfOffsetY))
+ {
+ }
+
+ void GeoTexSvxBitmapExTiled::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
+ {
+ if(mpReadBitmap)
+ {
+ GeoTexSvxBitmapEx::modifyBColor(impGetCorrected(rUV), rBColor, rfOpacity);
+ }
+ }
+
+ void GeoTexSvxBitmapExTiled::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
+ {
+ if(mpReadBitmap)
+ {
+ GeoTexSvxBitmapEx::modifyOpacity(impGetCorrected(rUV), rfOpacity);
+ }
+ }
+
+
+ GeoTexSvxMultiHatch::GeoTexSvxMultiHatch(
+ const primitive3d::HatchTexturePrimitive3D& rPrimitive,
+ double fLogicPixelSize)
+ : mfLogicPixelSize(fLogicPixelSize)
+ {
+ const attribute::FillHatchAttribute& rHatch(rPrimitive.getHatch());
+ const basegfx::B2DRange aOutlineRange(0.0, 0.0, rPrimitive.getTextureSize().getX(), rPrimitive.getTextureSize().getY());
+ const double fAngleA(rHatch.getAngle());
+ maColor = rHatch.getColor();
+ mbFillBackground = rHatch.isFillBackground();
+ mp0.reset( new GeoTexSvxHatch(
+ aOutlineRange,
+ aOutlineRange,
+ rHatch.getDistance(),
+ fAngleA) );
+
+ if(attribute::HatchStyle::Double == rHatch.getStyle() || attribute::HatchStyle::Triple == rHatch.getStyle())
+ {
+ mp1.reset( new GeoTexSvxHatch(
+ aOutlineRange,
+ aOutlineRange,
+ rHatch.getDistance(),
+ fAngleA + M_PI_2) );
+ }
+
+ if(attribute::HatchStyle::Triple == rHatch.getStyle())
+ {
+ mp2.reset( new GeoTexSvxHatch(
+ aOutlineRange,
+ aOutlineRange,
+ rHatch.getDistance(),
+ fAngleA + M_PI_4) );
+ }
+ }
+
+ GeoTexSvxMultiHatch::~GeoTexSvxMultiHatch()
+ {
+ }
+
+ bool GeoTexSvxMultiHatch::impIsOnHatch(const basegfx::B2DPoint& rUV) const
+ {
+ if(mp0->getDistanceToHatch(rUV) < mfLogicPixelSize)
+ {
+ return true;
+ }
+
+ if(mp1 && mp1->getDistanceToHatch(rUV) < mfLogicPixelSize)
+ {
+ return true;
+ }
+
+ if(mp2 && mp2->getDistanceToHatch(rUV) < mfLogicPixelSize)
+ {
+ return true;
+ }
+
+ return false;
+ }
+
+ void GeoTexSvxMultiHatch::modifyBColor(const basegfx::B2DPoint& rUV, basegfx::BColor& rBColor, double& rfOpacity) const
+ {
+ if(impIsOnHatch(rUV))
+ {
+ rBColor = maColor;
+ }
+ else if(!mbFillBackground)
+ {
+ rfOpacity = 0.0;
+ }
+ }
+
+ void GeoTexSvxMultiHatch::modifyOpacity(const basegfx::B2DPoint& rUV, double& rfOpacity) const
+ {
+ if(mbFillBackground || impIsOnHatch(rUV))
+ {
+ rfOpacity = 1.0;
+ }
+ else
+ {
+ rfOpacity = 0.0;
+ }
+ }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */