diff options
Diffstat (limited to 'drawinglayer/source/primitive3d/hatchtextureprimitive3d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive3d/hatchtextureprimitive3d.cxx | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive3d/hatchtextureprimitive3d.cxx b/drawinglayer/source/primitive3d/hatchtextureprimitive3d.cxx new file mode 100644 index 000000000000..d94fbb5f893c --- /dev/null +++ b/drawinglayer/source/primitive3d/hatchtextureprimitive3d.cxx @@ -0,0 +1,319 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_drawinglayer.hxx" + +#include <drawinglayer/primitive3d/hatchtextureprimitive3d.hxx> +#include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> +#include <basegfx/polygon/b3dpolygon.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/range/b2drange.hxx> +#include <drawinglayer/texture/texture.hxx> +#include <basegfx/polygon/b2dpolygonclipper.hxx> +#include <basegfx/matrix/b3dhommatrix.hxx> +#include <drawinglayer/primitive3d/polygonprimitive3d.hxx> +#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx> + +////////////////////////////////////////////////////////////////////////////// + +using namespace com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive3d + { + Primitive3DSequence HatchTexturePrimitive3D::impCreate3DDecomposition() const + { + Primitive3DSequence aRetval; + + if(getChildren().hasElements()) + { + const Primitive3DSequence aSource(getChildren()); + const sal_uInt32 nSourceCount(aSource.getLength()); + std::vector< Primitive3DReference > aDestination; + + for(sal_uInt32 a(0); a < nSourceCount; a++) + { + // get reference + const Primitive3DReference xReference(aSource[a]); + + if(xReference.is()) + { + // try to cast to BasePrimitive2D implementation + const BasePrimitive3D* pBasePrimitive = dynamic_cast< const BasePrimitive3D* >(xReference.get()); + + if(pBasePrimitive) + { + // it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch + // not all content is needed, remove transparencies and ModifiedColorPrimitives + switch(pBasePrimitive->getPrimitive3DID()) + { + case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D : + { + // polyPolygonMaterialPrimitive3D, check texturing and hatching + const PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const PolyPolygonMaterialPrimitive3D& >(*pBasePrimitive); + const basegfx::B3DPolyPolygon aFillPolyPolygon(rPrimitive.getB3DPolyPolygon()); + + if(maHatch.isFillBackground()) + { + // add original primitive for background + aDestination.push_back(xReference); + } + + if(aFillPolyPolygon.areTextureCoordinatesUsed()) + { + const sal_uInt32 nPolyCount(aFillPolyPolygon.count()); + basegfx::B2DPolyPolygon aTexPolyPolygon; + basegfx::B2DPoint a2N; + basegfx::B2DVector a2X, a2Y; + basegfx::B3DPoint a3N; + basegfx::B3DVector a3X, a3Y; + bool b2N(false), b2X(false), b2Y(false); + + for(sal_uInt32 b(0); b < nPolyCount; b++) + { + const basegfx::B3DPolygon aPartPoly(aFillPolyPolygon.getB3DPolygon(b)); + const sal_uInt32 nPointCount(aPartPoly.count()); + basegfx::B2DPolygon aTexPolygon; + + for(sal_uInt32 c(0); c < nPointCount; c++) + { + const basegfx::B2DPoint a2Candidate(aPartPoly.getTextureCoordinate(c)); + + if(!b2N) + { + a2N = a2Candidate; + a3N = aPartPoly.getB3DPoint(c); + b2N = true; + } + else if(!b2X && !a2N.equal(a2Candidate)) + { + a2X = a2Candidate - a2N; + a3X = aPartPoly.getB3DPoint(c) - a3N; + b2X = true; + } + else if(!b2Y && !a2N.equal(a2Candidate) && !a2X.equal(a2Candidate)) + { + a2Y = a2Candidate - a2N; + + const double fCross(a2X.cross(a2Y)); + + if(!basegfx::fTools::equalZero(fCross)) + { + a3Y = aPartPoly.getB3DPoint(c) - a3N; + b2Y = true; + } + } + + aTexPolygon.append(a2Candidate); + } + + aTexPolygon.setClosed(true); + aTexPolyPolygon.append(aTexPolygon); + } + + if(b2N && b2X && b2Y) + { + // found two linearly independent 2D vectors + // get 2d range of texture coordinates + const basegfx::B2DRange aOutlineRange(basegfx::tools::getRange(aTexPolyPolygon)); + const basegfx::BColor aHatchColor(getHatch().getColor()); + const double fAngle(getHatch().getAngle()); + ::std::vector< basegfx::B2DHomMatrix > aMatrices; + + // get hatch transformations + switch(getHatch().getStyle()) + { + case attribute::HATCHSTYLE_TRIPLE: + { + // rotated 45 degrees + texture::GeoTexSvxHatch aHatch(aOutlineRange, getHatch().getDistance(), fAngle - F_PI4); + aHatch.appendTransformations(aMatrices); + } + case attribute::HATCHSTYLE_DOUBLE: + { + // rotated 90 degrees + texture::GeoTexSvxHatch aHatch(aOutlineRange, getHatch().getDistance(), fAngle - F_PI2); + aHatch.appendTransformations(aMatrices); + } + case attribute::HATCHSTYLE_SINGLE: + { + // angle as given + texture::GeoTexSvxHatch aHatch(aOutlineRange, getHatch().getDistance(), fAngle); + aHatch.appendTransformations(aMatrices); + } + } + + // create geometry from unit line + basegfx::B2DPolyPolygon a2DHatchLines; + basegfx::B2DPolygon a2DUnitLine; + a2DUnitLine.append(basegfx::B2DPoint(0.0, 0.0)); + a2DUnitLine.append(basegfx::B2DPoint(1.0, 0.0)); + + for(sal_uInt32 c(0); c < aMatrices.size(); c++) + { + const basegfx::B2DHomMatrix& rMatrix = aMatrices[c]; + basegfx::B2DPolygon aNewLine(a2DUnitLine); + aNewLine.transform(rMatrix); + a2DHatchLines.append(aNewLine); + } + + if(a2DHatchLines.count()) + { + // clip against texture polygon + a2DHatchLines = basegfx::tools::clipPolyPolygonOnPolyPolygon(a2DHatchLines, aTexPolyPolygon, true, true); + } + + if(a2DHatchLines.count()) + { + // create 2d matrix with 2d vectors as column vectors and 2d point as offset, this represents + // a coordinate system transformation from unit coordinates to the new coordinate system + basegfx::B2DHomMatrix a2D; + a2D.set(0, 0, a2X.getX()); + a2D.set(1, 0, a2X.getY()); + a2D.set(0, 1, a2Y.getX()); + a2D.set(1, 1, a2Y.getY()); + a2D.set(0, 2, a2N.getX()); + a2D.set(1, 2, a2N.getY()); + + // invert that transformation, so we have a back-transformation from texture coordinates + // to unit coordinates + a2D.invert(); + a2DHatchLines.transform(a2D); + + // expand back-transformated geometry tpo 3D + basegfx::B3DPolyPolygon a3DHatchLines(basegfx::tools::createB3DPolyPolygonFromB2DPolyPolygon(a2DHatchLines, 0.0)); + + // create 3d matrix with 3d vectors as column vectors (0,0,1 as Z) and 3d point as offset, this represents + // a coordinate system transformation from unit coordinates to the object's 3d coordinate system + basegfx::B3DHomMatrix a3D; + a3D.set(0, 0, a3X.getX()); + a3D.set(1, 0, a3X.getY()); + a3D.set(2, 0, a3X.getZ()); + a3D.set(0, 1, a3Y.getX()); + a3D.set(1, 1, a3Y.getY()); + a3D.set(2, 1, a3Y.getZ()); + a3D.set(0, 3, a3N.getX()); + a3D.set(1, 3, a3N.getY()); + a3D.set(2, 3, a3N.getZ()); + + // transform hatch lines to 3D object coordinates + a3DHatchLines.transform(a3D); + + // build primitives from this geometry + const sal_uInt32 nHatchLines(a3DHatchLines.count()); + + for(sal_uInt32 d(0); d < nHatchLines; d++) + { + const Primitive3DReference xRef(new PolygonHairlinePrimitive3D(a3DHatchLines.getB3DPolygon(d), aHatchColor)); + aDestination.push_back(xRef); + } + } + } + } + + break; + } + default : + { + // add reference to result + aDestination.push_back(xReference); + break; + } + } + } + else + { + // unknown implementation, add to result + aDestination.push_back(xReference); + } + } + } + + // prepare return value + const sal_uInt32 nDestSize(aDestination.size()); + aRetval.realloc(nDestSize); + + for(sal_uInt32 b(0); b < nDestSize; b++) + { + aRetval[b] = aDestination[b]; + } + } + + return aRetval; + } + + HatchTexturePrimitive3D::HatchTexturePrimitive3D( + const attribute::FillHatchAttribute& rHatch, + const Primitive3DSequence& rChildren, + const basegfx::B2DVector& rTextureSize, + bool bModulate, + bool bFilter) + : TexturePrimitive3D(rChildren, rTextureSize, bModulate, bFilter), + maHatch(rHatch), + maBuffered3DDecomposition() + { + } + + bool HatchTexturePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const + { + if(TexturePrimitive3D::operator==(rPrimitive)) + { + const HatchTexturePrimitive3D& rCompare = (HatchTexturePrimitive3D&)rPrimitive; + + return (getHatch() == rCompare.getHatch()); + } + + return false; + } + + Primitive3DSequence HatchTexturePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const + { + ::osl::MutexGuard aGuard( m_aMutex ); + + if(!getBuffered3DDecomposition().hasElements()) + { + const Primitive3DSequence aNewSequence(impCreate3DDecomposition()); + const_cast< HatchTexturePrimitive3D* >(this)->setBuffered3DDecomposition(aNewSequence); + } + + return getBuffered3DDecomposition(); + } + + // provide unique ID + ImplPrimitrive3DIDBlock(HatchTexturePrimitive3D, PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D) + + } // end of namespace primitive3d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |