drawinglayer/source/primitive2d/fillhatchprimitive2d.cxx

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   5  *  $RCSfile: fillhatchprimitive2d.cxx,v $
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   7  *  $Revision: 1.6 $
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   9  *  last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
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  12  *  the terms of GNU Lesser General Public License Version 2.1.
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  15  *    GNU Lesser General Public License Version 2.1
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  17  *    Copyright 2005 by Sun Microsystems, Inc.
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  35
  36 // MARKER(update_precomp.py): autogen include statement, do not remove
  37 #include "precompiled_drawinglayer.hxx"
  38
  39 #include <drawinglayer/primitive2d/fillhatchprimitive2d.hxx>
  40 #include <drawinglayer/texture/texture.hxx>
  41 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
  42 #include <basegfx/polygon/b2dpolygontools.hxx>
  43 #include <basegfx/polygon/b2dpolygon.hxx>
  44 #include <basegfx/tools/canvastools.hxx>
  45 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  46 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  47
  48 //////////////////////////////////////////////////////////////////////////////
  49
  50 using namespace com::sun::star;
  51
  52 //////////////////////////////////////////////////////////////////////////////
  53
  54 namespace drawinglayer
  55 {
  56     namespace primitive2d
  57     {
  58         Primitive2DSequence FillHatchPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
  59         {
  60             // create hatch
  61             const basegfx::BColor aHatchColor(maFillHatch.getColor());
  62             const double fAngle(-maFillHatch.getAngle());
  63             ::std::vector< basegfx::B2DHomMatrix > aMatrices;
  64
  65             // get hatch transformations
  66             switch(maFillHatch.getStyle())
  67             {
  68                 case attribute::HATCHSTYLE_TRIPLE:
  69                 {
  70                     // rotated 45 degrees
  71                     texture::GeoTexSvxHatch aHatch(getObjectRange(), maFillHatch.getDistance(), fAngle + F_PI4);
  72                     aHatch.appendTransformations(aMatrices);
  73
  74                     // fall-through by purpose
  75                 }
  76                 case attribute::HATCHSTYLE_DOUBLE:
  77                 {
  78                     // rotated 90 degrees
  79                     texture::GeoTexSvxHatch aHatch(getObjectRange(), maFillHatch.getDistance(), fAngle + F_PI2);
  80                     aHatch.appendTransformations(aMatrices);
  81
  82                     // fall-through by purpose
  83                 }
  84                 case attribute::HATCHSTYLE_SINGLE:
  85                 {
  86                     // angle as given
  87                     texture::GeoTexSvxHatch aHatch(getObjectRange(), maFillHatch.getDistance(), fAngle);
  88                     aHatch.appendTransformations(aMatrices);
  89                 }
  90             }
  91
  92             // prepare return value
  93             const bool bFillBackground(maFillHatch.isFillBackground());
  94             Primitive2DSequence aRetval(bFillBackground ? aMatrices.size() + 1L : aMatrices.size());
  95
  96             // evtl. create filled background
  97             if(bFillBackground)
  98             {
  99                 // create primitive for background
 100                 const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(getObjectRange())), maBColor));
 101                 aRetval[0L] = xRef;
 102             }
 103
 104             // create primitives
 105             const basegfx::B2DPoint aStart(0.0, 0.0);
 106             const basegfx::B2DPoint aEnd(1.0, 0.0);
 107
 108             for(sal_uInt32 a(0L); a < aMatrices.size(); a++)
 109             {
 110                 const basegfx::B2DHomMatrix& rMatrix = aMatrices[a];
 111                 basegfx::B2DPolygon aNewLine;
 112
 113                 aNewLine.append(rMatrix * aStart);
 114                 aNewLine.append(rMatrix * aEnd);
 115
 116                 // create hairline
 117                 const Primitive2DReference xRef(new PolygonHairlinePrimitive2D(aNewLine, aHatchColor));
 118                 aRetval[bFillBackground ? (a + 1L) : a] = xRef;
 119             }
 120
 121             return aRetval;
 122         }
 123
 124         FillHatchPrimitive2D::FillHatchPrimitive2D(
 125             const basegfx::B2DRange& rObjectRange,
 126             const basegfx::BColor& rBColor,
 127             const attribute::FillHatchAttribute& rFillHatch)
 128         :       BasePrimitive2D(),
 129             maObjectRange(rObjectRange),
 130             maFillHatch(rFillHatch),
 131             maBColor(rBColor)
 132         {
 133         }
 134
 135         bool FillHatchPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 136         {
 137             if(BasePrimitive2D::operator==(rPrimitive))
 138             {
 139                 const FillHatchPrimitive2D& rCompare = (FillHatchPrimitive2D&)rPrimitive;
 140
 141                 return (getObjectRange() == rCompare.getObjectRange()
 142                     && maFillHatch == rCompare.maFillHatch
 143                     && maBColor == rCompare.maBColor);
 144             }
 145
 146             return false;
 147         }
 148
 149         basegfx::B2DRange FillHatchPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
 150         {
 151             // return ObjectRange
 152             return getObjectRange();
 153         }
 154
 155         // provide unique ID
 156         ImplPrimitrive2DIDBlock(FillHatchPrimitive2D, PRIMITIVE2D_ID_FILLHATCHPRIMITIVE2D)
 157
 158     } // end of namespace primitive2d
 159 } // end of namespace drawinglayer
 160
 161 //////////////////////////////////////////////////////////////////////////////
 162 // eof