svx/source/sdr/primitive2d/sdrgrafprimitive2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <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                 basegfx::B2DPolyPolygon aTransformed(aUnitOutline);
  46
  47                 aTransformed.transform(getTransform());
  48                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  49                     createPolyPolygonFillPrimitive(
  50                         aTransformed,
  51                         getSdrLFSTAttribute().getFill(),
  52                         getSdrLFSTAttribute().getFillFloatTransGradient()));
  53             }
  54
  55             // add graphic content
  56             if(255L != getGraphicAttr().GetTransparency())
  57             {
  58                 // standard graphic fill
  59                 const Primitive2DReference xGraphicContentPrimitive(
  60                     new GraphicPrimitive2D(
  61                         getTransform(),
  62                         getGraphicObject(),
  63                         getGraphicAttr()));
  64
  65                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xGraphicContentPrimitive);
  66             }
  67
  68             // add line
  69             if(!getSdrLFSTAttribute().getLine().isDefault())
  70             {
  71                 // if line width is given, polygon needs to be grown by half of it to make the
  72                 // outline to be outside of the bitmap
  73                 if(0.0 != getSdrLFSTAttribute().getLine().getWidth())
  74                 {
  75                     // decompose to get scale
  76                     basegfx::B2DVector aScale, aTranslate;
  77                     double fRotate, fShearX;
  78                     getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
  79
  80                     // create expanded range (add relative half line width to unit rectangle)
  81                     double fHalfLineWidth(getSdrLFSTAttribute().getLine().getWidth() * 0.5);
  82                     double fScaleX(0.0 != aScale.getX() ? fHalfLineWidth / fabs(aScale.getX()) : 1.0);
  83                     double fScaleY(0.0 != aScale.getY() ? fHalfLineWidth / fabs(aScale.getY()) : 1.0);
  84                     const basegfx::B2DRange aExpandedRange(-fScaleX, -fScaleY, 1.0 + fScaleX, 1.0 + fScaleY);
  85                     basegfx::B2DPolygon aExpandedUnitOutline(basegfx::tools::createPolygonFromRect(aExpandedRange));
  86
  87                     aExpandedUnitOutline.transform(getTransform());
  88                     appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
  89                         createPolygonLinePrimitive(
  90                             aExpandedUnitOutline,
  91                             getSdrLFSTAttribute().getLine(),
  92                             attribute::SdrLineStartEndAttribute()));
  93                 }
  94                 else
  95                 {
  96                     basegfx::B2DPolygon aTransformed(aUnitOutline);
  97
  98                     aTransformed.transform(getTransform());
  99                     appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 100                         createPolygonLinePrimitive(
 101                             aTransformed,
 102                             getSdrLFSTAttribute().getLine(),
 103                             attribute::SdrLineStartEndAttribute()));
 104                 }
 105             }
 106
 107             // add text
 108             if(!getSdrLFSTAttribute().getText().isDefault())
 109             {
 110                 appendPrimitive2DReferenceToPrimitive2DSequence(aRetval,
 111                     createTextPrimitive(
 112                         basegfx::B2DPolyPolygon(aUnitOutline),
 113                         getTransform(),
 114                         getSdrLFSTAttribute().getText(),
 115                         getSdrLFSTAttribute().getLine(),
 116                         false,
 117                         false,
 118                         false));
 119             }
 120
 121             // add shadow
 122             if(!getSdrLFSTAttribute().getShadow().isDefault())
 123             {
 124                 aRetval = createEmbeddedShadowPrimitive(
 125                     aRetval,
 126                     getSdrLFSTAttribute().getShadow());
 127             }
 128
 129             return aRetval;
 130         }
 131
 132         SdrGrafPrimitive2D::SdrGrafPrimitive2D(
 133             const basegfx::B2DHomMatrix& rTransform,
 134             const attribute::SdrLineFillShadowTextAttribute& rSdrLFSTAttribute,
 135             const GraphicObject& rGraphicObject,
 136             const GraphicAttr& rGraphicAttr)
 137         :   BufferedDecompositionPrimitive2D(),
 138             maTransform(rTransform),
 139             maSdrLFSTAttribute(rSdrLFSTAttribute),
 140             maGraphicObject(rGraphicObject),
 141             maGraphicAttr(rGraphicAttr)
 142         {
 143             // reset some values from GraphicAttr which are part of transformation already
 144             maGraphicAttr.SetRotation(0L);
 145         }
 146
 147         bool SdrGrafPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 148         {
 149             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
 150             {
 151                 const SdrGrafPrimitive2D& rCompare = static_cast<const SdrGrafPrimitive2D&>(rPrimitive);
 152
 153                 return (getTransform() == rCompare.getTransform()
 154                     && getSdrLFSTAttribute() == rCompare.getSdrLFSTAttribute()
 155                     && getGraphicObject() == rCompare.getGraphicObject()
 156                     && getGraphicAttr() == rCompare.getGraphicAttr());
 157             }
 158
 159             return false;
 160         }
 161
 162         bool SdrGrafPrimitive2D::isTransparent() const
 163         {
 164             return ((0L != getGraphicAttr().GetTransparency())
 165                 || (getGraphicObject().IsTransparent()));
 166         }
 167
 168         // provide unique ID
 169         ImplPrimitive2DIDBlock(SdrGrafPrimitive2D, PRIMITIVE2D_ID_SDRGRAFPRIMITIVE2D)
 170
 171     } // end of namespace primitive2d
 172 } // end of namespace drawinglayer
 173
 174 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */