/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_drawinglayer.hxx" #include #include #include #include #include #include #include ////////////////////////////////////////////////////////////////////////////// using namespace com::sun::star; ////////////////////////////////////////////////////////////////////////////// namespace drawinglayer { namespace primitive2d { void FillGradientPrimitive2D::generateMatricesAndColors( std::vector< basegfx::B2DHomMatrix >& rMatrices, std::vector< basegfx::BColor >& rColors) const { rMatrices.clear(); rColors.clear(); // make sure steps is not too high/low const basegfx::BColor aStart(getFillGradient().getStartColor()); const basegfx::BColor aEnd(getFillGradient().getEndColor()); const sal_uInt32 nMaxSteps(sal_uInt32((aStart.getMaximumDistance(aEnd) * 127.5) + 0.5)); sal_uInt32 nSteps(getFillGradient().getSteps()); if(nSteps == 0) { nSteps = nMaxSteps; } if(nSteps < 2) { nSteps = 2; } if(nSteps > nMaxSteps) { nSteps = nMaxSteps; } switch(getFillGradient().getStyle()) { case attribute::GRADIENTSTYLE_LINEAR: { texture::GeoTexSvxGradientLinear aGradient(getObjectRange(), aStart, aEnd, nSteps, getFillGradient().getBorder(), getFillGradient().getAngle()); aGradient.appendTransformations(rMatrices); aGradient.appendColors(rColors); break; } case attribute::GRADIENTSTYLE_AXIAL: { texture::GeoTexSvxGradientAxial aGradient(getObjectRange(), aStart, aEnd, nSteps, getFillGradient().getBorder(), getFillGradient().getAngle()); aGradient.appendTransformations(rMatrices); aGradient.appendColors(rColors); break; } case attribute::GRADIENTSTYLE_RADIAL: { texture::GeoTexSvxGradientRadial aGradient(getObjectRange(), aStart, aEnd, nSteps, getFillGradient().getBorder(), getFillGradient().getOffsetX(), getFillGradient().getOffsetY()); aGradient.appendTransformations(rMatrices); aGradient.appendColors(rColors); break; } case attribute::GRADIENTSTYLE_ELLIPTICAL: { texture::GeoTexSvxGradientElliptical aGradient(getObjectRange(), aStart, aEnd, nSteps, getFillGradient().getBorder(), getFillGradient().getOffsetX(), getFillGradient().getOffsetY(), getFillGradient().getAngle()); aGradient.appendTransformations(rMatrices); aGradient.appendColors(rColors); break; } case attribute::GRADIENTSTYLE_SQUARE: { texture::GeoTexSvxGradientSquare aGradient(getObjectRange(), aStart, aEnd, nSteps, getFillGradient().getBorder(), getFillGradient().getOffsetX(), getFillGradient().getOffsetY(), getFillGradient().getAngle()); aGradient.appendTransformations(rMatrices); aGradient.appendColors(rColors); break; } case attribute::GRADIENTSTYLE_RECT: { texture::GeoTexSvxGradientRect aGradient(getObjectRange(), aStart, aEnd, nSteps, getFillGradient().getBorder(), getFillGradient().getOffsetX(), getFillGradient().getOffsetY(), getFillGradient().getAngle()); aGradient.appendTransformations(rMatrices); aGradient.appendColors(rColors); break; } } } Primitive2DSequence FillGradientPrimitive2D::createOverlappingFill( const std::vector< basegfx::B2DHomMatrix >& rMatrices, const std::vector< basegfx::BColor >& rColors, const basegfx::B2DPolygon& rUnitPolygon) const { // prepare return value Primitive2DSequence aRetval(rColors.size() ? rMatrices.size() + 1 : rMatrices.size()); // create solid fill with start color if(rColors.size()) { // create primitive const Primitive2DReference xRef( new PolyPolygonColorPrimitive2D( basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(getObjectRange())), rColors[0])); aRetval[0] = xRef; } // create solid fill steps for(sal_uInt32 a(0); a < rMatrices.size(); a++) { // create part polygon basegfx::B2DPolygon aNewPoly(rUnitPolygon); aNewPoly.transform(rMatrices[a]); // create solid fill const Primitive2DReference xRef( new PolyPolygonColorPrimitive2D( basegfx::B2DPolyPolygon(aNewPoly), rColors[a + 1])); aRetval[a + 1] = xRef; } return aRetval; } Primitive2DSequence FillGradientPrimitive2D::createNonOverlappingFill( const std::vector< basegfx::B2DHomMatrix >& rMatrices, const std::vector< basegfx::BColor >& rColors, const basegfx::B2DPolygon& rUnitPolygon) const { // prepare return value Primitive2DSequence aRetval; const sal_uInt32 nMatricesSize(rMatrices.size()); if(nMatricesSize) { basegfx::B2DPolygon aOuterPoly(rUnitPolygon); aOuterPoly.transform(rMatrices[0]); basegfx::B2DPolyPolygon aCombinedPolyPoly(aOuterPoly); const sal_uInt32 nEntryCount(rColors.size() ? rMatrices.size() + 1 : rMatrices.size()); sal_uInt32 nIndex(0); aRetval.realloc(nEntryCount); if(rColors.size()) { basegfx::B2DRange aOuterPolyRange(aOuterPoly.getB2DRange()); aOuterPolyRange.expand(getObjectRange()); aCombinedPolyPoly.append(basegfx::tools::createPolygonFromRect(aOuterPolyRange)); aRetval[nIndex++] = Primitive2DReference(new PolyPolygonColorPrimitive2D(aCombinedPolyPoly, rColors[0])); aCombinedPolyPoly = basegfx::B2DPolyPolygon(aOuterPoly); } for(sal_uInt32 a(1); a < nMatricesSize - 1; a++) { basegfx::B2DPolygon aInnerPoly(rUnitPolygon); aInnerPoly.transform(rMatrices[a]); aCombinedPolyPoly.append(aInnerPoly); aRetval[nIndex++] = Primitive2DReference(new PolyPolygonColorPrimitive2D(aCombinedPolyPoly, rColors[a])); aCombinedPolyPoly = basegfx::B2DPolyPolygon(aInnerPoly); } if(rColors.size()) { aRetval[nIndex] = Primitive2DReference(new PolyPolygonColorPrimitive2D( aCombinedPolyPoly, rColors[rColors.size() - 1])); } } return aRetval; } Primitive2DSequence FillGradientPrimitive2D::createFill(bool bOverlapping) const { // prepare shape of the Unit Polygon basegfx::B2DPolygon aUnitPolygon; if(attribute::GRADIENTSTYLE_RADIAL == getFillGradient().getStyle() || attribute::GRADIENTSTYLE_ELLIPTICAL == getFillGradient().getStyle()) { aUnitPolygon = basegfx::tools::createPolygonFromCircle( basegfx::B2DPoint(0,0), 1); } else if(attribute::GRADIENTSTYLE_LINEAR == maFillGradient.getStyle()) { aUnitPolygon = basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0, 0, 1, 1)); } else { aUnitPolygon = basegfx::tools::createPolygonFromRect(basegfx::B2DRange(-1, -1, 1, 1)); } // get the transform matrices and colors (where colors // will have one more entry that matrices) std::vector< basegfx::B2DHomMatrix > aMatrices; std::vector< basegfx::BColor > aColors; generateMatricesAndColors(aMatrices, aColors); if(bOverlapping) { return createOverlappingFill(aMatrices, aColors, aUnitPolygon); } else { return createNonOverlappingFill(aMatrices, aColors, aUnitPolygon); } } Primitive2DSequence FillGradientPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const { // default creates overlapping fill which works with AntiAliasing and without. // The non-overlapping version does not create single filled polygons, but // PolyPolygons where each one describes a 'ring' for the gradient such // that the rings will not overlap. This is useful fir the old XOR-paint // 'trick' of VCL which is recorded in Metafiles; so this version may be // used from the MetafilePrimitive2D in it's decomposition. if(!getFillGradient().isDefault()) { return createFill(true); } else { return Primitive2DSequence(); } } FillGradientPrimitive2D::FillGradientPrimitive2D( const basegfx::B2DRange& rObjectRange, const attribute::FillGradientAttribute& rFillGradient) : BufferedDecompositionPrimitive2D(), maObjectRange(rObjectRange), maFillGradient(rFillGradient) { } bool FillGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const { if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) { const FillGradientPrimitive2D& rCompare = (FillGradientPrimitive2D&)rPrimitive; return (getObjectRange() == rCompare.getObjectRange() && getFillGradient() == rCompare.getFillGradient()); } return false; } basegfx::B2DRange FillGradientPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const { // return ObjectRange return getObjectRange(); } // provide unique ID ImplPrimitrive2DIDBlock(FillGradientPrimitive2D, PRIMITIVE2D_ID_FILLGRADIENTPRIMITIVE2D) } // end of namespace primitive2d } // end of namespace drawinglayer ////////////////////////////////////////////////////////////////////////////// // eof