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Diffstat (limited to 'drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx')
-rw-r--r-- | drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx b/drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx new file mode 100644 index 000000000000..e5ddbacbdbc9 --- /dev/null +++ b/drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx @@ -0,0 +1,217 @@ +/************************************************************************* + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: fillgradientprimitive2d.cxx,v $ + * + * $Revision: 1.1 $ + * + * last change: $Author: aw $ $Date: 2006-10-19 10:35:02 $ + * + * The Contents of this file are made available subject to + * the terms of GNU Lesser General Public License Version 2.1. + * + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2005 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ************************************************************************/ + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX +#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx> +#endif + +#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX +#include <basegfx/polygon/b2dpolygon.hxx> +#endif + +#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX +#include <basegfx/polygon/b2dpolygontools.hxx> +#endif + +#ifndef INCLUDED_DRAWINGLAYER_TEXTURE_TEXTURE_HXX +#include <drawinglayer/texture/texture.hxx> +#endif + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYPOLYGONPRIMITIVE2D_HXX +#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx> +#endif + +#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX +#include <basegfx/tools/canvastools.hxx> +#endif + +////////////////////////////////////////////////////////////////////////////// + +using namespace com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + Primitive2DSequence FillGradientPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + const attribute::GradientStyle aGradientStyle(maFillGradient.getStyle()); + ::std::vector< basegfx::B2DHomMatrix > aMatrices; + ::std::vector< basegfx::BColor > aColors; + basegfx::B2DPolygon aUnitPolygon; + sal_uInt32 nSteps(maFillGradient.getSteps()); + + if(attribute::GRADIENTSTYLE_RADIAL == aGradientStyle || attribute::GRADIENTSTYLE_ELLIPTICAL == aGradientStyle) + { + const basegfx::B2DPoint aCircleCenter(0.5, 0.5); + aUnitPolygon = basegfx::tools::createPolygonFromEllipse(aCircleCenter, 0.5, 0.5); + aUnitPolygon = basegfx::tools::adaptiveSubdivideByAngle(aUnitPolygon); + } + else + { + aUnitPolygon = basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0)); + } + + // make sure steps is not too high/low + const basegfx::BColor aStart(maFillGradient.getStartColor()); + const basegfx::BColor aEnd(maFillGradient.getEndColor()); + const sal_uInt32 nMaxSteps(sal_uInt32((aStart.getMaximumDistance(aEnd) * 127.5) + 0.5)); + + if(nSteps == 0L) + { + nSteps = nMaxSteps; + } + + if(nSteps < 2L) + { + nSteps = 2L; + } + + if(nSteps > nMaxSteps) + { + nSteps = nMaxSteps; + } + + switch(aGradientStyle) + { + case attribute::GRADIENTSTYLE_LINEAR: + { + texture::GeoTexSvxGradientLinear aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), -maFillGradient.getAngle()); + aGradient.appendTransformations(aMatrices); + aGradient.appendColors(aColors); + break; + } + case attribute::GRADIENTSTYLE_AXIAL: + { + texture::GeoTexSvxGradientAxial aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), -maFillGradient.getAngle()); + aGradient.appendTransformations(aMatrices); + aGradient.appendColors(aColors); + break; + } + case attribute::GRADIENTSTYLE_RADIAL: + { + texture::GeoTexSvxGradientRadial aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY()); + aGradient.appendTransformations(aMatrices); + aGradient.appendColors(aColors); + break; + } + case attribute::GRADIENTSTYLE_ELLIPTICAL: + { + texture::GeoTexSvxGradientElliptical aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle()); + aGradient.appendTransformations(aMatrices); + aGradient.appendColors(aColors); + break; + } + case attribute::GRADIENTSTYLE_SQUARE: + { + texture::GeoTexSvxGradientSquare aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle()); + aGradient.appendTransformations(aMatrices); + aGradient.appendColors(aColors); + break; + } + case attribute::GRADIENTSTYLE_RECT: + { + texture::GeoTexSvxGradientRect aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle()); + aGradient.appendTransformations(aMatrices); + aGradient.appendColors(aColors); + break; + } + } + + // prepare return value + Primitive2DSequence aRetval(aColors.size() ? aMatrices.size() + 1L : aMatrices.size()); + + // create solid fill with start color + if(aColors.size()) + { + // create primitive + const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(getObjectRange())), aColors[0L])); + aRetval[0L] = xRef; + } + + // create solid fill steps + for(sal_uInt32 a(0L); a < aMatrices.size(); a++) + { + // create part polygon + basegfx::B2DPolygon aNewPoly(aUnitPolygon); + aNewPoly.transform(aMatrices[a]); + + // create solid fill + const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aNewPoly), aColors[a + 1L])); + aRetval[a + 1L] = xRef; + } + + return aRetval; + } + + FillGradientPrimitive2D::FillGradientPrimitive2D( + const basegfx::B2DRange& rObjectRange, + const attribute::FillGradientAttribute& rFillGradient) + : BasePrimitive2D(), + maObjectRange(rObjectRange), + maFillGradient(rFillGradient) + { + } + + bool FillGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(BasePrimitive2D::operator==(rPrimitive)) + { + const FillGradientPrimitive2D& rCompare = (FillGradientPrimitive2D&)rPrimitive; + + return (getObjectRange() == rCompare.getObjectRange() + && maFillGradient == rCompare.maFillGradient); + } + + return false; + } + + basegfx::B2DRange FillGradientPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + // return ObjectRange + return getObjectRange(); + } + + sal_uInt32 FillGradientPrimitive2D::getPrimitiveID() const + { + return Create2DPrimitiveID('2','F','G','r'); + } + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |