drawinglayer/source/primitive2d/wrongspellprimitive2d.cxx

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   5  *  $RCSfile: wrongspellprimitive2d.cxx,v $
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   7  *  $Revision: 1.5 $
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   9  *  last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
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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/wrongspellprimitive2d.hxx>
  40 #include <basegfx/polygon/b2dpolygon.hxx>
  41 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  42 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  43 #include <drawinglayer/geometry/viewinformation2d.hxx>
  44
  45 //////////////////////////////////////////////////////////////////////////////
  46
  47 namespace drawinglayer
  48 {
  49     namespace primitive2d
  50     {
  51         Primitive2DSequence WrongSpellPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
  52         {
  53             // ATM this decompose is view-independent, what the original VCL-Display is not. To mimic
  54             // the old behaviour here if wanted it is necessary to add get2DDecomposition and implement
  55             // it similar to the usage in e.g. HelplinePrimitive2D. Remembering the ViewTransformation
  56             // should be enough then.
  57             // The view-independent wavelines work well (if You ask me). Maybe the old VCL-Behaviour is only
  58             // in place because it was not possible/too expensive at that time to scale the wavelines with the
  59             // view...
  60             // With the VCL-PixelRenderer this will not even be used since it implements WrongSpellPrimitive2D
  61             // directly and mimics the old VCL-Display there. If You implemented a new renderer without
  62             // direct WrongSpellPrimitive2D support, You may want to do the described change here.
  63
  64             // get the font height (part of scale), so decompose the matrix
  65             basegfx::B2DVector aScale, aTranslate;
  66             double fRotate, fShearX;
  67             getTransformation().decompose(aScale, aTranslate, fRotate, fShearX);
  68
  69             // calculate distances based on a static default (to allow testing in debugger)
  70             static double fDefaultDistance(0.03);
  71             const double fFontHeight(aScale.getY());
  72             const double fUnderlineDistance(fFontHeight * fDefaultDistance);
  73             const double fWaveWidth(2.0 * fUnderlineDistance);
  74
  75             // the Y-distance needs to be relativated to FontHeight since the points get
  76             // transformed with the transformation containing that scale already.
  77             const double fRelativeUnderlineDistance(basegfx::fTools::equalZero(aScale.getY()) ? 0.0 : fUnderlineDistance / aScale.getY());
  78             basegfx::B2DPoint aStart(getStart(), fRelativeUnderlineDistance);
  79             basegfx::B2DPoint aStop(getStop(), fRelativeUnderlineDistance);
  80             basegfx::B2DPolygon aPolygon;
  81
  82             aPolygon.append(getTransformation() * aStart);
  83             aPolygon.append(getTransformation() * aStop);
  84
  85             // prepare line attribute
  86             const attribute::LineAttribute aLineAttribute(getColor());
  87
  88             // create the waveline primitive
  89             Primitive2DReference xPrimitive(new PolygonWavePrimitive2D(aPolygon, aLineAttribute, fWaveWidth, 0.5 * fWaveWidth));
  90             Primitive2DSequence xRetval(&xPrimitive, 1);
  91
  92             return xRetval;
  93         }
  94
  95         WrongSpellPrimitive2D::WrongSpellPrimitive2D(
  96             const basegfx::B2DHomMatrix& rTransformation,
  97             double fStart,
  98             double fStop,
  99             const basegfx::BColor& rColor)
 100         :       BasePrimitive2D(),
 101             maTransformation(rTransformation),
 102             mfStart(fStart),
 103             mfStop(fStop),
 104             maColor(rColor)
 105         {
 106         }
 107
 108         bool WrongSpellPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 109         {
 110             if(BasePrimitive2D::operator==(rPrimitive))
 111             {
 112                 const WrongSpellPrimitive2D& rCompare = (WrongSpellPrimitive2D&)rPrimitive;
 113
 114                 return (getTransformation() == rCompare.getTransformation()
 115                     && getStart() == rCompare.getStart()
 116                     && getStop() == rCompare.getStop()
 117                     && getColor() == rCompare.getColor());
 118             }
 119
 120             return false;
 121         }
 122
 123         // provide unique ID
 124         ImplPrimitrive2DIDBlock(WrongSpellPrimitive2D, PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D)
 125
 126     } // end of namespace primitive2d
 127 } // end of namespace drawinglayer
 128
 129 //////////////////////////////////////////////////////////////////////////////
 130 // eof