#i39532# primitive

1 files changed, 217 insertions, 0 deletions

diff --git a/drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx b/drawinglayer/source/primitive2d/fillgradientprimitive2d.cxx
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index 000000000000..e5ddbacbdbc9
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+++ 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