218 lines
8.6 KiB
C++
218 lines
8.6 KiB
C++
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/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: fillgradientprimitive2d.cxx,v $
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*
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* $Revision: 1.1 $
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*
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* last change: $Author: aw $ $Date: 2006-10-19 10:35:02 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX
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#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
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#endif
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#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
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#include <basegfx/polygon/b2dpolygon.hxx>
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#endif
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#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#endif
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#ifndef INCLUDED_DRAWINGLAYER_TEXTURE_TEXTURE_HXX
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#include <drawinglayer/texture/texture.hxx>
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#endif
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYPOLYGONPRIMITIVE2D_HXX
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#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
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#endif
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#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
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#include <basegfx/tools/canvastools.hxx>
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#endif
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//////////////////////////////////////////////////////////////////////////////
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using namespace com::sun::star;
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace primitive2d
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{
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Primitive2DSequence FillGradientPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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const attribute::GradientStyle aGradientStyle(maFillGradient.getStyle());
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::std::vector< basegfx::B2DHomMatrix > aMatrices;
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::std::vector< basegfx::BColor > aColors;
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basegfx::B2DPolygon aUnitPolygon;
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sal_uInt32 nSteps(maFillGradient.getSteps());
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if(attribute::GRADIENTSTYLE_RADIAL == aGradientStyle || attribute::GRADIENTSTYLE_ELLIPTICAL == aGradientStyle)
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{
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const basegfx::B2DPoint aCircleCenter(0.5, 0.5);
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aUnitPolygon = basegfx::tools::createPolygonFromEllipse(aCircleCenter, 0.5, 0.5);
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aUnitPolygon = basegfx::tools::adaptiveSubdivideByAngle(aUnitPolygon);
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}
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else
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{
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aUnitPolygon = basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0));
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}
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// make sure steps is not too high/low
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const basegfx::BColor aStart(maFillGradient.getStartColor());
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const basegfx::BColor aEnd(maFillGradient.getEndColor());
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const sal_uInt32 nMaxSteps(sal_uInt32((aStart.getMaximumDistance(aEnd) * 127.5) + 0.5));
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if(nSteps == 0L)
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{
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nSteps = nMaxSteps;
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}
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if(nSteps < 2L)
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{
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nSteps = 2L;
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}
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if(nSteps > nMaxSteps)
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{
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nSteps = nMaxSteps;
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}
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switch(aGradientStyle)
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{
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case attribute::GRADIENTSTYLE_LINEAR:
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{
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texture::GeoTexSvxGradientLinear aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), -maFillGradient.getAngle());
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aGradient.appendTransformations(aMatrices);
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aGradient.appendColors(aColors);
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break;
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}
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case attribute::GRADIENTSTYLE_AXIAL:
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{
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texture::GeoTexSvxGradientAxial aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), -maFillGradient.getAngle());
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aGradient.appendTransformations(aMatrices);
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aGradient.appendColors(aColors);
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break;
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}
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case attribute::GRADIENTSTYLE_RADIAL:
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{
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texture::GeoTexSvxGradientRadial aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY());
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aGradient.appendTransformations(aMatrices);
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aGradient.appendColors(aColors);
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break;
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}
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case attribute::GRADIENTSTYLE_ELLIPTICAL:
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{
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texture::GeoTexSvxGradientElliptical aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle());
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aGradient.appendTransformations(aMatrices);
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aGradient.appendColors(aColors);
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break;
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}
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case attribute::GRADIENTSTYLE_SQUARE:
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{
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texture::GeoTexSvxGradientSquare aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle());
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aGradient.appendTransformations(aMatrices);
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aGradient.appendColors(aColors);
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break;
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}
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case attribute::GRADIENTSTYLE_RECT:
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{
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texture::GeoTexSvxGradientRect aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle());
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aGradient.appendTransformations(aMatrices);
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aGradient.appendColors(aColors);
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break;
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}
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}
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// prepare return value
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Primitive2DSequence aRetval(aColors.size() ? aMatrices.size() + 1L : aMatrices.size());
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// create solid fill with start color
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if(aColors.size())
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{
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// create primitive
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const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(getObjectRange())), aColors[0L]));
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aRetval[0L] = xRef;
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}
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// create solid fill steps
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for(sal_uInt32 a(0L); a < aMatrices.size(); a++)
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{
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// create part polygon
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basegfx::B2DPolygon aNewPoly(aUnitPolygon);
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aNewPoly.transform(aMatrices[a]);
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// create solid fill
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const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aNewPoly), aColors[a + 1L]));
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aRetval[a + 1L] = xRef;
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}
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return aRetval;
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}
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FillGradientPrimitive2D::FillGradientPrimitive2D(
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const basegfx::B2DRange& rObjectRange,
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const attribute::FillGradientAttribute& rFillGradient)
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: BasePrimitive2D(),
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maObjectRange(rObjectRange),
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maFillGradient(rFillGradient)
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{
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}
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bool FillGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
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{
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if(BasePrimitive2D::operator==(rPrimitive))
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{
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const FillGradientPrimitive2D& rCompare = (FillGradientPrimitive2D&)rPrimitive;
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return (getObjectRange() == rCompare.getObjectRange()
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&& maFillGradient == rCompare.maFillGradient);
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}
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return false;
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}
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basegfx::B2DRange FillGradientPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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// return ObjectRange
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return getObjectRange();
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}
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sal_uInt32 FillGradientPrimitive2D::getPrimitiveID() const
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{
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return Create2DPrimitiveID('2','F','G','r');
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}
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} // end of namespace primitive2d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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