svx/source/sdr/primitive2d/sdrgrafprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  18  */
  19
  20 #include <svx/sdr/primitive2d/sdrgrafprimitive2d.hxx>
  21 #include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23 #include <svx/sdr/primitive2d/sdrdecompositiontools.hxx>
  24 #include <drawinglayer/primitive2d/groupprimitive2d.hxx>
  25 #include <svx/sdr/primitive2d/svx_primitivetypes2d.hxx>
  26 #include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
  27 #include <basegfx/polygon/b2dpolygon.hxx>
  28 #include <basegfx/matrix/b2dhommatrixtools.hxx>
  29 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  30
  31 namespace drawinglayer
  32 {
  33     namespace primitive2d
  34     {
  35         Primitive2DSequence SdrGrafPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& /*aViewInformation*/) const
  36         {
  37             Primitive2DSequence  aRetval;
  38
  39             // create unit outline polygon
  40             basegfx::B2DPolygon aUnitOutline(basegfx::tools::createUnitPolygon());
  41
  42             // add fill, but only when graphic ist transparent
  43             if(!getSdrLFSTAttribute().getFill().isDefault() && isTransparent())
  44             {
  45                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  46                     createPolyPolygonFillPrimitive(
  47                         basegfx::B2DPolyPolygon(aUnitOutline),
  48                         getTransform(),
  49                         getSdrLFSTAttribute().getFill(),
  50                         getSdrLFSTAttribute().getFillFloatTransGradient()));
  51             }
  52
  53             // add graphic content
  54             if(255L != getGraphicAttr().GetTransparency())
  55             {
  56                 // standard graphic fill
  57                 const Primitive2DReference xGraphicContentPrimitive(
  58                     new GraphicPrimitive2D(
  59                         getTransform(),
  60                         getGraphicObject(),
  61                         getGraphicAttr()));
  62
  63                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xGraphicContentPrimitive);
  64             }
  65
  66             // add line
  67             if(!getSdrLFSTAttribute().getLine().isDefault())
  68             {
  69                 // if line width is given, polygon needs to be grown by half of it to make the
  70                 // outline to be outside of the bitmap
  71                 if(0.0 != getSdrLFSTAttribute().getLine().getWidth())
  72                 {
  73                     // decompose to get scale
  74                     basegfx::B2DVector aScale, aTranslate;
  75                     double fRotate, fShearX;
  76                     getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
  77
  78                     // create expanded range (add relative half line width to unit rectangle)
  79                     double fHalfLineWidth(getSdrLFSTAttribute().getLine().getWidth() * 0.5);
  80                     double fScaleX(0.0 != aScale.getX() ? fHalfLineWidth / fabs(aScale.getX()) : 1.0);
  81                     double fScaleY(0.0 != aScale.getY() ? fHalfLineWidth / fabs(aScale.getY()) : 1.0);
  82                     const basegfx::B2DRange aExpandedRange(-fScaleX, -fScaleY, 1.0 + fScaleX, 1.0 + fScaleY);
  83                     basegfx::B2DPolygon aExpandedUnitOutline(basegfx::tools::createPolygonFromRect(aExpandedRange));
  84
  85                     appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  86                         createPolygonLinePrimitive(
  87                             aExpandedUnitOutline,
  88                             getTransform(),
  89                             getSdrLFSTAttribute().getLine(),
  90                             attribute::SdrLineStartEndAttribute()));
  91                 }
  92                 else
  93                 {
  94                     appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  95                         createPolygonLinePrimitive(
  96                             aUnitOutline, getTransform(),
  97                             getSdrLFSTAttribute().getLine(),
  98                             attribute::SdrLineStartEndAttribute()));
  99                 }
 100             }
 101
 102             // add text
 103             if(!getSdrLFSTAttribute().getText().isDefault())
 104             {
 105                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 106                     createTextPrimitive(
 107                         basegfx::B2DPolyPolygon(aUnitOutline),
 108                         getTransform(),
 109                         getSdrLFSTAttribute().getText(),
 110                         getSdrLFSTAttribute().getLine(),
 111                         false,
 112                         false,
 113                         false));
 114             }
 115
 116             // add shadow
 117             if(!getSdrLFSTAttribute().getShadow().isDefault())
 118             {
 119                 aRetval = createEmbeddedShadowPrimitive(
 120                     aRetval,
 121                     getSdrLFSTAttribute().getShadow());
 122             }
 123
 124             return aRetval;
 125         }
 126
 127         SdrGrafPrimitive2D::SdrGrafPrimitive2D(
 128             const basegfx::B2DHomMatrix& rTransform,
 129             const attribute::SdrLineFillShadowTextAttribute& rSdrLFSTAttribute,
 130             const GraphicObject& rGraphicObject,
 131             const GraphicAttr& rGraphicAttr)
 132         :   BufferedDecompositionPrimitive2D(),
 133             maTransform(rTransform),
 134             maSdrLFSTAttribute(rSdrLFSTAttribute),
 135             maGraphicObject(rGraphicObject),
 136             maGraphicAttr(rGraphicAttr)
 137         {
 138             // reset some values from GraphicAttr which are part of transformation already
 139             maGraphicAttr.SetRotation(0L);
 140         }
 141
 142         bool SdrGrafPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 143         {
 144             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
 145             {
 146                 const SdrGrafPrimitive2D& rCompare = (SdrGrafPrimitive2D&)rPrimitive;
 147
 148                 return (getTransform() == rCompare.getTransform()
 149                     && getSdrLFSTAttribute() == rCompare.getSdrLFSTAttribute()
 150                     && getGraphicObject() == rCompare.getGraphicObject()
 151                     && getGraphicAttr() == rCompare.getGraphicAttr());
 152             }
 153
 154             return false;
 155         }
 156
 157         bool SdrGrafPrimitive2D::isTransparent() const
 158         {
 159             return ((0L != getGraphicAttr().GetTransparency())
 160                 || (getGraphicObject().IsTransparent()));
 161         }
 162
 163         // provide unique ID
 164         ImplPrimitive2DIDBlock(SdrGrafPrimitive2D, PRIMITIVE2D_ID_SDRGRAFPRIMITIVE2D)
 165
 166     } // end of namespace primitive2d
 167 } // end of namespace drawinglayer
 168
 169 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */