xref: /AOO41X/main/drawinglayer/source/primitive2d/texteffectprimitive2d.cxx (revision 8809db7a87f97847b57a57f4cd2b0104b2b83182)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_drawinglayer.hxx"
26 
27 #include <drawinglayer/primitive2d/texteffectprimitive2d.hxx>
28 #include <drawinglayer/geometry/viewinformation2d.hxx>
29 #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
30 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
31 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
32 #include <basegfx/matrix/b2dhommatrixtools.hxx>
33 
34 //////////////////////////////////////////////////////////////////////////////
35 
36 namespace drawinglayer
37 {
38     namespace primitive2d
39     {
40         static double fDiscreteSize(1.1);
41 
42         Primitive2DSequence TextEffectPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
43         {
44             Primitive2DSequence aRetval;
45 
46             // get the distance of one discrete units from target display. Use between 1.0 and sqrt(2) to
47             // have good results on rotated objects, too
48             const basegfx::B2DVector aDistance(rViewInformation.getInverseObjectToViewTransformation() *
49                 basegfx::B2DVector(fDiscreteSize, fDiscreteSize));
50             const basegfx::B2DVector aDiagonalDistance(aDistance * (1.0 / 1.44));
51 
52             switch(getTextEffectStyle2D())
53             {
54                 case TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED:
55                 case TEXTEFFECTSTYLE2D_RELIEF_ENGRAVED:
56                 case TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED_DEFAULT:
57                 case TEXTEFFECTSTYLE2D_RELIEF_ENGRAVED_DEFAULT:
58                 {
59                     // prepare transform of sub-group back to (0,0) and align to X-Axis
60                     basegfx::B2DHomMatrix aBackTransform(basegfx::tools::createTranslateB2DHomMatrix(
61                         -getRotationCenter().getX(), -getRotationCenter().getY()));
62                     aBackTransform.rotate(-getDirection());
63 
64                     // prepare transform of sub-group back to it's position and rotation
65                     basegfx::B2DHomMatrix aForwardTransform(basegfx::tools::createRotateB2DHomMatrix(getDirection()));
66                     aForwardTransform.translate(getRotationCenter().getX(), getRotationCenter().getY());
67 
68                     // create transformation for one discrete unit
69                     const bool bEmbossed(
70                         TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED  == getTextEffectStyle2D()
71                         || TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED_DEFAULT == getTextEffectStyle2D());
72                     const bool bDefaultTextColor(
73                         TEXTEFFECTSTYLE2D_RELIEF_EMBOSSED_DEFAULT == getTextEffectStyle2D()
74                         || TEXTEFFECTSTYLE2D_RELIEF_ENGRAVED_DEFAULT == getTextEffectStyle2D());
75                     basegfx::B2DHomMatrix aTransform(aBackTransform);
76                     aRetval.realloc(2);
77 
78                     if(bEmbossed)
79                     {
80                         // to bottom-right
81                         aTransform.translate(aDiagonalDistance.getX(), aDiagonalDistance.getY());
82                     }
83                     else
84                     {
85                         // to top-left
86                         aTransform.translate(-aDiagonalDistance.getX(), -aDiagonalDistance.getY());
87                     }
88 
89                     aTransform *= aForwardTransform;
90 
91                     if(bDefaultTextColor)
92                     {
93                         // emboss/engrave in black, original forced to white
94                         const basegfx::BColorModifier aBColorModifierToGray(basegfx::BColor(0.0));
95                         const Primitive2DReference xModifiedColor(new ModifiedColorPrimitive2D(getTextContent(), aBColorModifierToGray));
96                         aRetval[0] = Primitive2DReference(new TransformPrimitive2D(aTransform, Primitive2DSequence(&xModifiedColor, 1)));
97 
98                         // add original, too
99                         const basegfx::BColorModifier aBColorModifierToWhite(basegfx::BColor(1.0));
100                         aRetval[1] = Primitive2DReference(new ModifiedColorPrimitive2D(getTextContent(), aBColorModifierToWhite));
101                     }
102                     else
103                     {
104                         // emboss/engrave in gray, keep original's color
105                         const basegfx::BColorModifier aBColorModifierToGray(basegfx::BColor(0.75)); // 192
106                         const Primitive2DReference xModifiedColor(new ModifiedColorPrimitive2D(getTextContent(), aBColorModifierToGray));
107                         aRetval[0] = Primitive2DReference(new TransformPrimitive2D(aTransform, Primitive2DSequence(&xModifiedColor, 1)));
108 
109                         // add original, too
110                         aRetval[1] = Primitive2DReference(new GroupPrimitive2D(getTextContent()));
111                     }
112 
113                     break;
114                 }
115                 case TEXTEFFECTSTYLE2D_OUTLINE:
116                 {
117                     // create transform primitives in all directions
118                     basegfx::B2DHomMatrix aTransform;
119                     aRetval.realloc(9);
120 
121                     aTransform.set(0, 2, aDistance.getX());
122                     aTransform.set(1, 2, 0.0);
123                     aRetval[0] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
124 
125                     aTransform.set(0, 2, aDiagonalDistance.getX());
126                     aTransform.set(1, 2, aDiagonalDistance.getY());
127                     aRetval[1] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
128 
129                     aTransform.set(0, 2, 0.0);
130                     aTransform.set(1, 2, aDistance.getY());
131                     aRetval[2] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
132 
133                     aTransform.set(0, 2, -aDiagonalDistance.getX());
134                     aTransform.set(1, 2, aDiagonalDistance.getY());
135                     aRetval[3] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
136 
137                     aTransform.set(0, 2, -aDistance.getX());
138                     aTransform.set(1, 2, 0.0);
139                     aRetval[4] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
140 
141                     aTransform.set(0, 2, -aDiagonalDistance.getX());
142                     aTransform.set(1, 2, -aDiagonalDistance.getY());
143                     aRetval[5] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
144 
145                     aTransform.set(0, 2, 0.0);
146                     aTransform.set(1, 2, -aDistance.getY());
147                     aRetval[6] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
148 
149                     aTransform.set(0, 2, aDiagonalDistance.getX());
150                     aTransform.set(1, 2, -aDiagonalDistance.getY());
151                     aRetval[7] = Primitive2DReference(new TransformPrimitive2D(aTransform, getTextContent()));
152 
153                     // at last, place original over it, but force to white
154                     const basegfx::BColorModifier aBColorModifierToWhite(basegfx::BColor(1.0, 1.0, 1.0));
155                     aRetval[8] = Primitive2DReference(new ModifiedColorPrimitive2D(getTextContent(), aBColorModifierToWhite));
156 
157                     break;
158                 }
159             }
160 
161             return aRetval;
162         }
163 
164         TextEffectPrimitive2D::TextEffectPrimitive2D(
165             const Primitive2DSequence& rTextContent,
166             const basegfx::B2DPoint& rRotationCenter,
167             double fDirection,
168             TextEffectStyle2D eTextEffectStyle2D)
169         :   BufferedDecompositionPrimitive2D(),
170             maTextContent(rTextContent),
171             maRotationCenter(rRotationCenter),
172             mfDirection(fDirection),
173             meTextEffectStyle2D(eTextEffectStyle2D)
174         {
175         }
176 
177         bool TextEffectPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
178         {
179             if(BasePrimitive2D::operator==(rPrimitive))
180             {
181                 const TextEffectPrimitive2D& rCompare = (TextEffectPrimitive2D&)rPrimitive;
182 
183                 return (getTextContent() == rCompare.getTextContent()
184                     && getRotationCenter() == rCompare.getRotationCenter()
185                     && getDirection() == rCompare.getDirection()
186                     && getTextEffectStyle2D() == rCompare.getTextEffectStyle2D());
187             }
188 
189             return false;
190         }
191 
192         basegfx::B2DRange TextEffectPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
193         {
194             // get range of content and grow by used fDiscreteSize. That way it is not necessary to ask
195             // the whole decomposition for it's ranges (which may be expensive with outline mode which
196             // then will ask 9 times at nearly the same content. This may even be refined here using the
197             // TextEffectStyle information, e.g. for TEXTEFFECTSTYLE2D_RELIEF the grow needs only to
198             // be in two directions
199             basegfx::B2DRange aRetval(getB2DRangeFromPrimitive2DSequence(getTextContent(), rViewInformation));
200             aRetval.grow(fDiscreteSize);
201 
202             return aRetval;
203         }
204 
205         Primitive2DSequence TextEffectPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
206         {
207             ::osl::MutexGuard aGuard( m_aMutex );
208 
209             if(getBuffered2DDecomposition().hasElements())
210             {
211                 if(maLastObjectToViewTransformation != rViewInformation.getObjectToViewTransformation())
212                 {
213                     // conditions of last local decomposition have changed, delete
214                     const_cast< TextEffectPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence());
215                 }
216             }
217 
218             if(!getBuffered2DDecomposition().hasElements())
219             {
220                 // remember ViewRange and ViewTransformation
221                 const_cast< TextEffectPrimitive2D* >(this)->maLastObjectToViewTransformation = rViewInformation.getObjectToViewTransformation();
222             }
223 
224             // use parent implementation
225             return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation);
226         }
227 
228         // provide unique ID
229         ImplPrimitrive2DIDBlock(TextEffectPrimitive2D, PRIMITIVE2D_ID_TEXTEFFECTPRIMITIVE2D)
230 
231     } // end of namespace primitive2d
232 } // end of namespace drawinglayer
233 
234 //////////////////////////////////////////////////////////////////////////////
235 // eof
236