xref: /trunk/main/drawinglayer/source/processor2d/contourextractor2d.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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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/contourextractor2d.hxx>
32 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
33 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
34 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
35 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
36 #include <basegfx/polygon/b2dpolygontools.hxx>
37 #include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
38 #include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
39 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
40 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
41 #include <drawinglayer/primitive2d/sceneprimitive2d.hxx>
42 
43 //////////////////////////////////////////////////////////////////////////////
44 
45 using namespace com::sun::star;
46 
47 //////////////////////////////////////////////////////////////////////////////
48 
49 namespace drawinglayer
50 {
51     namespace processor2d
52     {
53         ContourExtractor2D::ContourExtractor2D(const geometry::ViewInformation2D& rViewInformation)
54         :   BaseProcessor2D(rViewInformation),
55             maExtractedContour()
56         {
57         }
58 
59         ContourExtractor2D::~ContourExtractor2D()
60         {
61         }
62 
63         void ContourExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
64         {
65             switch(rCandidate.getPrimitive2DID())
66             {
67                 case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
68                 {
69                     // extract hairline in world coordinates
70                     const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
71                     basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
72                     aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
73 
74                     if(aLocalPolygon.isClosed())
75                     {
76                         // line polygons need to be represented as open polygons to differentiate them
77                         // from filled polygons
78                         basegfx::tools::openWithGeometryChange(aLocalPolygon);
79                     }
80 
81                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aLocalPolygon));
82                     break;
83                 }
84                 case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
85                 {
86                     // extract fill in world coordinates
87                     const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
88                     basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
89                     aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
90                     maExtractedContour.push_back(aLocalPolyPolygon);
91                     break;
92                 }
93                 case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
94                 {
95                     // extract BoundRect from bitmaps in world coordinates
96                     const primitive2d::BitmapPrimitive2D& rBitmapCandidate(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
97                     basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rBitmapCandidate.getTransform());
98                     basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
99                     aPolygon.transform(aLocalTransform);
100                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aPolygon));
101                     break;
102                 }
103                 case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
104                 {
105                     // extract BoundRect from MetaFiles in world coordinates
106                     const primitive2d::MetafilePrimitive2D& rMetaCandidate(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate));
107                     basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rMetaCandidate.getTransform());
108                     basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
109                     aPolygon.transform(aLocalTransform);
110                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aPolygon));
111                     break;
112                 }
113                 case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D :
114                 {
115                     // sub-transparence group. Look at children
116                     const primitive2d::TransparencePrimitive2D& rTransCandidate(static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate));
117                     process(rTransCandidate.getChildren());
118                     break;
119                 }
120                 case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
121                 {
122                     // extract mask in world coordinates, ignore content
123                     const primitive2d::MaskPrimitive2D& rMaskCandidate(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate));
124                     basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
125                     aMask.transform(getViewInformation2D().getObjectTransformation());
126                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aMask));
127                     break;
128                 }
129                 case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
130                 {
131                     // remember current ViewInformation2D
132                     const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
133                     const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
134 
135                     // create new local ViewInformation2D
136                     const geometry::ViewInformation2D aViewInformation2D(
137                         getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
138                         getViewInformation2D().getViewTransformation(),
139                         getViewInformation2D().getViewport(),
140                         getViewInformation2D().getVisualizedPage(),
141                         getViewInformation2D().getViewTime(),
142                         getViewInformation2D().getExtendedInformationSequence());
143                     updateViewInformation(aViewInformation2D);
144 
145                     // proccess content
146                     process(rTransformCandidate.getChildren());
147 
148                     // restore transformations
149                     updateViewInformation(aLastViewInformation2D);
150 
151                     break;
152                 }
153                 case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
154                 {
155                     // 2D Scene primitive containing 3D stuff; extract 2D contour in world coordinates
156                     const primitive2d::ScenePrimitive2D& rScenePrimitive2DCandidate(static_cast< const primitive2d::ScenePrimitive2D& >(rCandidate));
157                     const primitive2d::Primitive2DSequence xExtracted2DSceneGeometry(rScenePrimitive2DCandidate.getGeometry2D());
158                     const primitive2d::Primitive2DSequence xExtracted2DSceneShadow(rScenePrimitive2DCandidate.getShadow2D(getViewInformation2D()));
159 
160                     // proccess content
161                     if(xExtracted2DSceneGeometry.hasElements())
162                     {
163                         process(xExtracted2DSceneGeometry);
164                     }
165 
166                     // proccess content
167                     if(xExtracted2DSceneShadow.hasElements())
168                     {
169                         process(xExtracted2DSceneShadow);
170                     }
171 
172                     break;
173                 }
174                 case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
175                 case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
176                 case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
177                 {
178                     // ignorable primitives
179                     break;
180                 }
181                 case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
182                 case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
183                 {
184                     // primitives who's BoundRect will be added in world coordinates
185                     basegfx::B2DRange aRange(rCandidate.getB2DRange(getViewInformation2D()));
186                     aRange.transform(getViewInformation2D().getObjectTransformation());
187                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(aRange)));
188                     break;
189                 }
190                 default :
191                 {
192                     // process recursively
193                     process(rCandidate.get2DDecomposition(getViewInformation2D()));
194                     break;
195                 }
196             }
197         }
198 
199     } // end of namespace processor2d
200 } // end of namespace drawinglayer
201 
202 //////////////////////////////////////////////////////////////////////////////
203 // eof
204