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19 
20 #include <drawinglayer/primitive2d/wrongspellprimitive2d.hxx>
21 #include <basegfx/polygon/b2dpolygon.hxx>
22 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
23 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
24 #include <drawinglayer/geometry/viewinformation2d.hxx>
25 
26 
27 namespace drawinglayer::primitive2d
28 {
create2DDecomposition(Primitive2DContainer & rContainer,const geometry::ViewInformation2D &) const29         void WrongSpellPrimitive2D::create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
30         {
31             // ATM this decompose is view-independent, what the original VCL-Display is not. To mimic
32             // the old behaviour here if wanted it is necessary to add get2DDecomposition and implement
33             // it similar to the usage in e.g. HelplinePrimitive2D. Remembering the ViewTransformation
34             // should be enough then.
35             // The view-independent wavelines work well (if You ask me). Maybe the old VCL-Behaviour is only
36             // in place because it was not possible/too expensive at that time to scale the wavelines with the
37             // view...
38             // With the VCL-PixelRenderer this will not even be used since it implements WrongSpellPrimitive2D
39             // directly and mimics the old VCL-Display there. If You implemented a new renderer without
40             // direct WrongSpellPrimitive2D support, You may want to do the described change here.
41 
42             // get the font height (part of scale), so decompose the matrix
43             basegfx::B2DVector aScale, aTranslate;
44             double fRotate, fShearX;
45             getTransformation().decompose(aScale, aTranslate, fRotate, fShearX);
46 
47             // calculate distances based on a static default (to allow testing in debugger)
48             static const double fDefaultDistance(0.03);
49             const double fFontHeight(aScale.getY());
50             const double fUnderlineDistance(fFontHeight * fDefaultDistance);
51             const double fWaveWidth(2.0 * fUnderlineDistance);
52 
53             // the Y-distance needs to be relative to FontHeight since the points get
54             // transformed with the transformation containing that scale already.
55             const double fRelativeUnderlineDistance(basegfx::fTools::equalZero(aScale.getY()) ? 0.0 : fUnderlineDistance / aScale.getY());
56             basegfx::B2DPoint aStart(getStart(), fRelativeUnderlineDistance);
57             basegfx::B2DPoint aStop(getStop(), fRelativeUnderlineDistance);
58             basegfx::B2DPolygon aPolygon;
59 
60             aPolygon.append(getTransformation() * aStart);
61             aPolygon.append(getTransformation() * aStop);
62 
63             // prepare line attribute
64             const attribute::LineAttribute aLineAttribute(getColor());
65 
66             // create the waveline primitive
67             rContainer.push_back(new PolygonWavePrimitive2D(aPolygon, aLineAttribute, fWaveWidth, 0.5 * fWaveWidth));
68         }
69 
WrongSpellPrimitive2D(const basegfx::B2DHomMatrix & rTransformation,double fStart,double fStop,const basegfx::BColor & rColor)70         WrongSpellPrimitive2D::WrongSpellPrimitive2D(
71             const basegfx::B2DHomMatrix& rTransformation,
72             double fStart,
73             double fStop,
74             const basegfx::BColor& rColor)
75         :   BufferedDecompositionPrimitive2D(),
76             maTransformation(rTransformation),
77             mfStart(fStart),
78             mfStop(fStop),
79             maColor(rColor)
80         {
81         }
82 
operator ==(const BasePrimitive2D & rPrimitive) const83         bool WrongSpellPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
84         {
85             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
86             {
87                 const WrongSpellPrimitive2D& rCompare = static_cast<const WrongSpellPrimitive2D&>(rPrimitive);
88 
89                 return (getTransformation() == rCompare.getTransformation()
90                     && getStart() == rCompare.getStart()
91                     && getStop() == rCompare.getStop()
92                     && getColor() == rCompare.getColor());
93             }
94 
95             return false;
96         }
97 
98         // provide unique ID
99         ImplPrimitive2DIDBlock(WrongSpellPrimitive2D, PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D)
100 
101 } // end of namespace
102 
103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
104