xref: /trunk/main/drawinglayer/source/processor2d/textaspolygonextractor2d.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_drawinglayer.hxx"
30 
31 #include <drawinglayer/processor2d/textaspolygonextractor2d.hxx>
32 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
33 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
34 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
35 #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
36 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
37 
38 //////////////////////////////////////////////////////////////////////////////
39 
40 namespace drawinglayer
41 {
42     namespace processor2d
43     {
44         void TextAsPolygonExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
45         {
46             switch(rCandidate.getPrimitive2DID())
47             {
48                 case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
49                 {
50                     // TextDecoratedPortionPrimitive2D can produce the following primitives
51                     // when being decomposed:
52                     //
53                     // - TextSimplePortionPrimitive2D
54                     // - PolygonWavePrimitive2D
55                     //      - PolygonStrokePrimitive2D
56                     // - PolygonStrokePrimitive2D
57                     //      - PolyPolygonColorPrimitive2D
58                     //      - PolyPolygonHairlinePrimitive2D
59                     //          - PolygonHairlinePrimitive2D
60                     // - ShadowPrimitive2D
61                     //      - ModifiedColorPrimitive2D
62                     //      - TransformPrimitive2D
63                     // - TextEffectPrimitive2D
64                     //      - ModifiedColorPrimitive2D
65                     //      - TransformPrimitive2D
66                     //      - GroupPrimitive2D
67 
68                     // encapsulate with flag and use decomposition
69                     mnInText++;
70                     process(rCandidate.get2DDecomposition(getViewInformation2D()));
71                     mnInText--;
72 
73                     break;
74                 }
75                 case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
76                 {
77                     // TextSimplePortionPrimitive2D can produce the following primitives
78                     // when being decomposed:
79                     //
80                     // - PolyPolygonColorPrimitive2D
81                     // - TextEffectPrimitive2D
82                     //      - ModifiedColorPrimitive2D
83                     //      - TransformPrimitive2D
84                     //      - GroupPrimitive2D
85 
86                     // encapsulate with flag and use decomposition
87                     mnInText++;
88                     process(rCandidate.get2DDecomposition(getViewInformation2D()));
89                     mnInText--;
90 
91                     break;
92                 }
93 
94                 // as can be seen from the TextSimplePortionPrimitive2D and the
95                 // TextDecoratedPortionPrimitive2D, inside of the mnInText marks
96                 // the following primitives can occurr containing geometry data
97                 // from text decomposition:
98                 //
99                 // - PolyPolygonColorPrimitive2D
100                 // - PolygonHairlinePrimitive2D
101                 // - PolyPolygonHairlinePrimitive2D (for convenience)
102                 //
103                 case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
104                 {
105                     if(mnInText)
106                     {
107                         const primitive2d::PolyPolygonColorPrimitive2D& rPoPoCoCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
108                         basegfx::B2DPolyPolygon aPolyPolygon(rPoPoCoCandidate.getB2DPolyPolygon());
109 
110                         if(aPolyPolygon.count())
111                         {
112                             // transform the PolyPolygon
113                             aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
114 
115                             // get evtl. corrected color
116                             const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoCoCandidate.getBColor()));
117 
118                             // add to result vector
119                             maTarget.push_back(TextAsPolygonDataNode(aPolyPolygon, aColor, true));
120                         }
121                     }
122 
123                     break;
124                 }
125                 case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
126                 {
127                     if(mnInText)
128                     {
129                         const primitive2d::PolygonHairlinePrimitive2D& rPoHaCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
130                         basegfx::B2DPolygon aPolygon(rPoHaCandidate.getB2DPolygon());
131 
132                         if(aPolygon.count())
133                         {
134                             // transform the Polygon
135                             aPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
136 
137                             // get evtl. corrected color
138                             const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoHaCandidate.getBColor()));
139 
140                             // add to result vector
141                             maTarget.push_back(TextAsPolygonDataNode(basegfx::B2DPolyPolygon(aPolygon), aColor, false));
142                         }
143                     }
144 
145                     break;
146                 }
147                 case PRIMITIVE2D_ID_POLYPOLYGONHAIRLINEPRIMITIVE2D :
148                 {
149                     if(mnInText)
150                     {
151                         const primitive2d::PolyPolygonHairlinePrimitive2D& rPoPoHaCandidate(static_cast< const primitive2d::PolyPolygonHairlinePrimitive2D& >(rCandidate));
152                         basegfx::B2DPolyPolygon aPolyPolygon(rPoPoHaCandidate.getB2DPolyPolygon());
153 
154                         if(aPolyPolygon.count())
155                         {
156                             // transform the Polygon
157                             aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
158 
159                             // get evtl. corrected color
160                             const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoHaCandidate.getBColor()));
161 
162                             // add to result vector
163                             maTarget.push_back(TextAsPolygonDataNode(aPolyPolygon, aColor, false));
164                         }
165                     }
166 
167                     break;
168                 }
169 
170                 // usage of color modification stack is needed
171                 case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
172                 {
173                     const primitive2d::ModifiedColorPrimitive2D& rModifiedColorCandidate(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
174 
175                     if(rModifiedColorCandidate.getChildren().hasElements())
176                     {
177                         maBColorModifierStack.push(rModifiedColorCandidate.getColorModifier());
178                         process(rModifiedColorCandidate.getChildren());
179                         maBColorModifierStack.pop();
180                     }
181 
182                     break;
183                 }
184 
185                 // usage of transformation stack is needed
186                 case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
187                 {
188                     // remember current transformation and ViewInformation
189                     const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
190                     const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
191 
192                     // create new transformations for CurrentTransformation and for local ViewInformation2D
193                     const geometry::ViewInformation2D aViewInformation2D(
194                         getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
195                         getViewInformation2D().getViewTransformation(),
196                         getViewInformation2D().getViewport(),
197                         getViewInformation2D().getVisualizedPage(),
198                         getViewInformation2D().getViewTime(),
199                         getViewInformation2D().getExtendedInformationSequence());
200                     updateViewInformation(aViewInformation2D);
201 
202                     // proccess content
203                     process(rTransformCandidate.getChildren());
204 
205                     // restore transformations
206                     updateViewInformation(aLastViewInformation2D);
207 
208                     break;
209                 }
210 
211                 // ignorable primitives
212                 case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
213                 case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
214                 case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
215                 case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
216                 case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
217                 case PRIMITIVE2D_ID_RENDERGRAPHICPRIMITIVE2D :
218                 case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
219                 case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
220                 {
221                     break;
222                 }
223 
224                 default :
225                 {
226                     // process recursively
227                     process(rCandidate.get2DDecomposition(getViewInformation2D()));
228                     break;
229                 }
230             }
231         }
232 
233         TextAsPolygonExtractor2D::TextAsPolygonExtractor2D(const geometry::ViewInformation2D& rViewInformation)
234         :   BaseProcessor2D(rViewInformation),
235             maTarget(),
236             maBColorModifierStack(),
237             mnInText(0)
238         {
239         }
240 
241         TextAsPolygonExtractor2D::~TextAsPolygonExtractor2D()
242         {
243         }
244     } // end of namespace processor2d
245 } // end of namespace drawinglayer
246 
247 //////////////////////////////////////////////////////////////////////////////
248 // eof
249