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Diffstat (limited to 'drawinglayer/source/primitive2d/polygonprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/polygonprimitive2d.cxx | 642 |
1 files changed, 642 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/polygonprimitive2d.cxx b/drawinglayer/source/primitive2d/polygonprimitive2d.cxx new file mode 100644 index 000000000000..6a656445db40 --- /dev/null +++ b/drawinglayer/source/primitive2d/polygonprimitive2d.cxx @@ -0,0 +1,642 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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/primitive2d/polygonprimitive2d.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <drawinglayer/geometry/viewinformation2d.hxx> +#include <basegfx/polygon/b2dlinegeometry.hxx> + +////////////////////////////////////////////////////////////////////////////// + +using namespace com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + PolygonHairlinePrimitive2D::PolygonHairlinePrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const basegfx::BColor& rBColor) + : BasePrimitive2D(), + maPolygon(rPolygon), + maBColor(rBColor) + { + } + + bool PolygonHairlinePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(BasePrimitive2D::operator==(rPrimitive)) + { + const PolygonHairlinePrimitive2D& rCompare = (PolygonHairlinePrimitive2D&)rPrimitive; + + return (getB2DPolygon() == rCompare.getB2DPolygon() + && getBColor() == rCompare.getBColor()); + } + + return false; + } + + basegfx::B2DRange PolygonHairlinePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + // this is a hairline, thus the line width is view-dependent. Get range of polygon + // as base size + basegfx::B2DRange aRetval(getB2DPolygon().getB2DRange()); + + if(!aRetval.isEmpty()) + { + // Calculate view-dependent hairline width + const basegfx::B2DVector aDiscreteSize(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0)); + const double fDiscreteHalfLineWidth(aDiscreteSize.getLength() * 0.5); + + if(basegfx::fTools::more(fDiscreteHalfLineWidth, 0.0)) + { + aRetval.grow(fDiscreteHalfLineWidth); + } + } + + // return range + return aRetval; + } + + // provide unique ID + ImplPrimitrive2DIDBlock(PolygonHairlinePrimitive2D, PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + Primitive2DSequence PolygonMarkerPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + // calculate logic DashLength + const basegfx::B2DVector aDashVector(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(getDiscreteDashLength(), 0.0)); + const double fLogicDashLength(aDashVector.getX()); + + if(fLogicDashLength > 0.0 && !getRGBColorA().equal(getRGBColorB())) + { + // apply dashing; get line and gap snippets + ::std::vector< double > aDash; + basegfx::B2DPolyPolygon aDashedPolyPolyA; + basegfx::B2DPolyPolygon aDashedPolyPolyB; + + aDash.push_back(fLogicDashLength); + aDash.push_back(fLogicDashLength); + basegfx::tools::applyLineDashing(getB2DPolygon(), aDash, &aDashedPolyPolyA, &aDashedPolyPolyB, 2.0 * fLogicDashLength); + + // prepare return value + Primitive2DSequence aRetval(2); + + aRetval[0] = Primitive2DReference(new PolyPolygonHairlinePrimitive2D(aDashedPolyPolyA, getRGBColorA())); + aRetval[1] = Primitive2DReference(new PolyPolygonHairlinePrimitive2D(aDashedPolyPolyB, getRGBColorB())); + + return aRetval; + } + else + { + const Primitive2DReference xRef(new PolygonHairlinePrimitive2D(getB2DPolygon(), getRGBColorA())); + return Primitive2DSequence(&xRef, 1L); + } + } + + PolygonMarkerPrimitive2D::PolygonMarkerPrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const basegfx::BColor& rRGBColorA, + const basegfx::BColor& rRGBColorB, + double fDiscreteDashLength) + : BufferedDecompositionPrimitive2D(), + maPolygon(rPolygon), + maRGBColorA(rRGBColorA), + maRGBColorB(rRGBColorB), + mfDiscreteDashLength(fDiscreteDashLength), + maLastInverseObjectToViewTransformation() + { + } + + bool PolygonMarkerPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) + { + const PolygonMarkerPrimitive2D& rCompare = (PolygonMarkerPrimitive2D&)rPrimitive; + + return (getB2DPolygon() == rCompare.getB2DPolygon() + && getRGBColorA() == rCompare.getRGBColorA() + && getRGBColorB() == rCompare.getRGBColorB() + && getDiscreteDashLength() == rCompare.getDiscreteDashLength()); + } + + return false; + } + + basegfx::B2DRange PolygonMarkerPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + // this is a hairline, thus the line width is view-dependent. Get range of polygon + // as base size + basegfx::B2DRange aRetval(getB2DPolygon().getB2DRange()); + + if(!aRetval.isEmpty()) + { + // Calculate view-dependent hairline width + const basegfx::B2DVector aDiscreteSize(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0)); + const double fDiscreteHalfLineWidth(aDiscreteSize.getLength() * 0.5); + + if(basegfx::fTools::more(fDiscreteHalfLineWidth, 0.0)) + { + aRetval.grow(fDiscreteHalfLineWidth); + } + } + + // return range + return aRetval; + } + + Primitive2DSequence PolygonMarkerPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + ::osl::MutexGuard aGuard( m_aMutex ); + bool bNeedNewDecomposition(false); + + if(getBuffered2DDecomposition().hasElements()) + { + if(rViewInformation.getInverseObjectToViewTransformation() != maLastInverseObjectToViewTransformation) + { + bNeedNewDecomposition = true; + } + } + + if(bNeedNewDecomposition) + { + // conditions of last local decomposition have changed, delete + const_cast< PolygonMarkerPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); + } + + if(!getBuffered2DDecomposition().hasElements()) + { + // remember last used InverseObjectToViewTransformation + PolygonMarkerPrimitive2D* pThat = const_cast< PolygonMarkerPrimitive2D* >(this); + pThat->maLastInverseObjectToViewTransformation = rViewInformation.getInverseObjectToViewTransformation(); + } + + // use parent implementation + return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); + } + + // provide unique ID + ImplPrimitrive2DIDBlock(PolygonMarkerPrimitive2D, PRIMITIVE2D_ID_POLYGONMARKERPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + Primitive2DSequence PolygonStrokePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + if(getB2DPolygon().count()) + { + // #i102241# try to simplify before usage + const basegfx::B2DPolygon aB2DPolygon(basegfx::tools::simplifyCurveSegments(getB2DPolygon())); + basegfx::B2DPolyPolygon aHairLinePolyPolygon; + + if(getStrokeAttribute().isDefault() || 0.0 == getStrokeAttribute().getFullDotDashLen()) + { + // no line dashing, just copy + aHairLinePolyPolygon.append(aB2DPolygon); + } + else + { + // apply LineStyle + basegfx::tools::applyLineDashing( + aB2DPolygon, getStrokeAttribute().getDotDashArray(), + &aHairLinePolyPolygon, 0, getStrokeAttribute().getFullDotDashLen()); + } + + const sal_uInt32 nCount(aHairLinePolyPolygon.count()); + + if(!getLineAttribute().isDefault() && getLineAttribute().getWidth()) + { + // create fat line data + const double fHalfLineWidth(getLineAttribute().getWidth() / 2.0); + const basegfx::B2DLineJoin aLineJoin(getLineAttribute().getLineJoin()); + basegfx::B2DPolyPolygon aAreaPolyPolygon; + + for(sal_uInt32 a(0L); a < nCount; a++) + { + // New version of createAreaGeometry; now creates bezier polygons + aAreaPolyPolygon.append(basegfx::tools::createAreaGeometry( + aHairLinePolyPolygon.getB2DPolygon(a), fHalfLineWidth, aLineJoin)); + } + + // prepare return value + Primitive2DSequence aRetval(aAreaPolyPolygon.count()); + + // create primitive + for(sal_uInt32 b(0L); b < aAreaPolyPolygon.count(); b++) + { + // put into single polyPolygon primitives to make clear that this is NOT meant + // to be painted as a single PolyPolygon (XORed as fill rule). Alternatively, a + // melting process may be used here one day. + const basegfx::B2DPolyPolygon aNewPolyPolygon(aAreaPolyPolygon.getB2DPolygon(b)); + static bool bTestByUsingRandomColor(false); + const basegfx::BColor aColor(bTestByUsingRandomColor + ? basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0) + : getLineAttribute().getColor()); + const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(aNewPolyPolygon, aColor)); + aRetval[b] = xRef; + } + + return aRetval; + } + else + { + // prepare return value + const Primitive2DReference xRef( + new PolyPolygonHairlinePrimitive2D( + aHairLinePolyPolygon, + getLineAttribute().getColor())); + + return Primitive2DSequence(&xRef, 1); + } + } + else + { + return Primitive2DSequence(); + } + } + + PolygonStrokePrimitive2D::PolygonStrokePrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const attribute::LineAttribute& rLineAttribute, + const attribute::StrokeAttribute& rStrokeAttribute) + : BufferedDecompositionPrimitive2D(), + maPolygon(rPolygon), + maLineAttribute(rLineAttribute), + maStrokeAttribute(rStrokeAttribute) + { + } + + PolygonStrokePrimitive2D::PolygonStrokePrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const attribute::LineAttribute& rLineAttribute) + : BufferedDecompositionPrimitive2D(), + maPolygon(rPolygon), + maLineAttribute(rLineAttribute), + maStrokeAttribute() + { + } + + bool PolygonStrokePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) + { + const PolygonStrokePrimitive2D& rCompare = (PolygonStrokePrimitive2D&)rPrimitive; + + return (getB2DPolygon() == rCompare.getB2DPolygon() + && getLineAttribute() == rCompare.getLineAttribute() + && getStrokeAttribute() == rCompare.getStrokeAttribute()); + } + + return false; + } + + basegfx::B2DRange PolygonStrokePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + basegfx::B2DRange aRetval; + + if(getLineAttribute().getWidth()) + { + if(basegfx::B2DLINEJOIN_MITER == getLineAttribute().getLineJoin()) + { + // if line is mitered, use parent call since mitered line + // geometry may use more space than the geometry grown by half line width + aRetval = BufferedDecompositionPrimitive2D::getB2DRange(rViewInformation); + } + else + { + // for all other B2DLINEJOIN_* get the range from the base geometry + // and expand by half the line width + aRetval = getB2DPolygon().getB2DRange(); + aRetval.grow(getLineAttribute().getWidth() * 0.5); + } + } + else + { + // this is a hairline, thus the line width is view-dependent. Get range of polygon + // as base size + aRetval = getB2DPolygon().getB2DRange(); + + if(!aRetval.isEmpty()) + { + // Calculate view-dependent hairline width + const basegfx::B2DVector aDiscreteSize(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 0.0)); + const double fDiscreteHalfLineWidth(aDiscreteSize.getLength() * 0.5); + + if(basegfx::fTools::more(fDiscreteHalfLineWidth, 0.0)) + { + aRetval.grow(fDiscreteHalfLineWidth); + } + } + } + + return aRetval; + } + + // provide unique ID + ImplPrimitrive2DIDBlock(PolygonStrokePrimitive2D, PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + Primitive2DSequence PolygonWavePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + Primitive2DSequence aRetval; + + if(getB2DPolygon().count()) + { + const bool bHasWidth(!basegfx::fTools::equalZero(getWaveWidth())); + const bool bHasHeight(!basegfx::fTools::equalZero(getWaveHeight())); + + if(bHasWidth && bHasHeight) + { + // create waveline curve + const basegfx::B2DPolygon aWaveline(basegfx::tools::createWaveline(getB2DPolygon(), getWaveWidth(), getWaveHeight())); + const Primitive2DReference xRef(new PolygonStrokePrimitive2D(aWaveline, getLineAttribute(), getStrokeAttribute())); + aRetval = Primitive2DSequence(&xRef, 1); + } + else + { + // flat waveline, decompose to simple line primitive + const Primitive2DReference xRef(new PolygonStrokePrimitive2D(getB2DPolygon(), getLineAttribute(), getStrokeAttribute())); + aRetval = Primitive2DSequence(&xRef, 1); + } + } + + return aRetval; + } + + PolygonWavePrimitive2D::PolygonWavePrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const attribute::LineAttribute& rLineAttribute, + const attribute::StrokeAttribute& rStrokeAttribute, + double fWaveWidth, + double fWaveHeight) + : PolygonStrokePrimitive2D(rPolygon, rLineAttribute, rStrokeAttribute), + mfWaveWidth(fWaveWidth), + mfWaveHeight(fWaveHeight) + { + if(mfWaveWidth < 0.0) + { + mfWaveWidth = 0.0; + } + + if(mfWaveHeight < 0.0) + { + mfWaveHeight = 0.0; + } + } + + PolygonWavePrimitive2D::PolygonWavePrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const attribute::LineAttribute& rLineAttribute, + double fWaveWidth, + double fWaveHeight) + : PolygonStrokePrimitive2D(rPolygon, rLineAttribute), + mfWaveWidth(fWaveWidth), + mfWaveHeight(fWaveHeight) + { + if(mfWaveWidth < 0.0) + { + mfWaveWidth = 0.0; + } + + if(mfWaveHeight < 0.0) + { + mfWaveHeight = 0.0; + } + } + + bool PolygonWavePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(PolygonStrokePrimitive2D::operator==(rPrimitive)) + { + const PolygonWavePrimitive2D& rCompare = (PolygonWavePrimitive2D&)rPrimitive; + + return (getWaveWidth() == rCompare.getWaveWidth() + && getWaveHeight() == rCompare.getWaveHeight()); + } + + return false; + } + + basegfx::B2DRange PolygonWavePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + // get range of parent + basegfx::B2DRange aRetval(PolygonStrokePrimitive2D::getB2DRange(rViewInformation)); + + // if WaveHeight, grow by it + if(basegfx::fTools::more(getWaveHeight(), 0.0)) + { + aRetval.grow(getWaveHeight()); + } + + // if line width, grow by it + if(basegfx::fTools::more(getLineAttribute().getWidth(), 0.0)) + { + aRetval.grow(getLineAttribute().getWidth() * 0.5); + } + + return aRetval; + } + + // provide unique ID + ImplPrimitrive2DIDBlock(PolygonWavePrimitive2D, PRIMITIVE2D_ID_POLYGONWAVEPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + Primitive2DSequence PolygonStrokeArrowPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + // copy local polygon, it may be changed + basegfx::B2DPolygon aLocalPolygon(getB2DPolygon()); + aLocalPolygon.removeDoublePoints(); + basegfx::B2DPolyPolygon aArrowA; + basegfx::B2DPolyPolygon aArrowB; + + if(!aLocalPolygon.isClosed() && aLocalPolygon.count() > 1) + { + // apply arrows + const double fPolyLength(basegfx::tools::getLength(aLocalPolygon)); + double fStart(0.0); + double fEnd(0.0); + + if(!getStart().isDefault() && getStart().isActive()) + { + // create start arrow primitive and consume + aArrowA = basegfx::tools::createAreaGeometryForLineStartEnd( + aLocalPolygon, getStart().getB2DPolyPolygon(), true, getStart().getWidth(), + fPolyLength, getStart().isCentered() ? 0.5 : 0.0, &fStart); + + // create some overlapping + fStart *= 0.8; + } + + if(!getEnd().isDefault() && getEnd().isActive()) + { + // create end arrow primitive and consume + aArrowB = basegfx::tools::createAreaGeometryForLineStartEnd( + aLocalPolygon, getEnd().getB2DPolyPolygon(), false, getEnd().getWidth(), + fPolyLength, getEnd().isCentered() ? 0.5 : 0.0, &fEnd); + + // create some overlapping + fEnd *= 0.8; + } + + if(0.0 != fStart || 0.0 != fEnd) + { + // build new poly, consume something from old poly + aLocalPolygon = basegfx::tools::getSnippetAbsolute(aLocalPolygon, fStart, fPolyLength - fEnd, fPolyLength); + } + } + + // prepare return value + Primitive2DSequence aRetval(1L + (aArrowA.count() ? 1L : 0L) + (aArrowB.count() ? 1L : 0L)); + sal_uInt32 nInd(0L); + + // add shaft + const Primitive2DReference xRefShaft(new + PolygonStrokePrimitive2D( + aLocalPolygon, getLineAttribute(), getStrokeAttribute())); + aRetval[nInd++] = xRefShaft; + + if(aArrowA.count()) + { + const Primitive2DReference xRefA( + new PolyPolygonColorPrimitive2D( + aArrowA, getLineAttribute().getColor())); + aRetval[nInd++] = xRefA; + } + + if(aArrowB.count()) + { + const Primitive2DReference xRefB( + new PolyPolygonColorPrimitive2D( + aArrowB, getLineAttribute().getColor())); + aRetval[nInd++] = xRefB; + } + + return aRetval; + } + + PolygonStrokeArrowPrimitive2D::PolygonStrokeArrowPrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const attribute::LineAttribute& rLineAttribute, + const attribute::StrokeAttribute& rStrokeAttribute, + const attribute::LineStartEndAttribute& rStart, + const attribute::LineStartEndAttribute& rEnd) + : PolygonStrokePrimitive2D(rPolygon, rLineAttribute, rStrokeAttribute), + maStart(rStart), + maEnd(rEnd) + { + } + + PolygonStrokeArrowPrimitive2D::PolygonStrokeArrowPrimitive2D( + const basegfx::B2DPolygon& rPolygon, + const attribute::LineAttribute& rLineAttribute, + const attribute::LineStartEndAttribute& rStart, + const attribute::LineStartEndAttribute& rEnd) + : PolygonStrokePrimitive2D(rPolygon, rLineAttribute), + maStart(rStart), + maEnd(rEnd) + { + } + + bool PolygonStrokeArrowPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(PolygonStrokePrimitive2D::operator==(rPrimitive)) + { + const PolygonStrokeArrowPrimitive2D& rCompare = (PolygonStrokeArrowPrimitive2D&)rPrimitive; + + return (getStart() == rCompare.getStart() + && getEnd() == rCompare.getEnd()); + } + + return false; + } + + basegfx::B2DRange PolygonStrokeArrowPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + basegfx::B2DRange aRetval; + + if(getStart().isActive() || getEnd().isActive()) + { + // use decomposition when line start/end is used + return BufferedDecompositionPrimitive2D::getB2DRange(rViewInformation); + } + else + { + // get range from parent + return PolygonStrokePrimitive2D::getB2DRange(rViewInformation); + } + } + + // provide unique ID + ImplPrimitrive2DIDBlock(PolygonStrokeArrowPrimitive2D, PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |