xref: /AOO41X/main/drawinglayer/source/processor2d/contourextractor2d.cxx (revision db3fbf26684038d6a402d326c80cafa5e7e331cb)
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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/processor2d/contourextractor2d.hxx>
28 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
29 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
30 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
31 #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
32 #include <basegfx/polygon/b2dpolygontools.hxx>
33 #include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
34 #include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
35 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
36 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
37 #include <drawinglayer/primitive2d/sceneprimitive2d.hxx>
38 
39 //////////////////////////////////////////////////////////////////////////////
40 
41 using namespace com::sun::star;
42 
43 //////////////////////////////////////////////////////////////////////////////
44 
45 namespace drawinglayer
46 {
47     namespace processor2d
48     {
ContourExtractor2D(const geometry::ViewInformation2D & rViewInformation,bool bExtractFillOnly)49         ContourExtractor2D::ContourExtractor2D(
50             const geometry::ViewInformation2D& rViewInformation,
51             bool bExtractFillOnly)
52         :   BaseProcessor2D(rViewInformation),
53             maExtractedContour(),
54             mbExtractFillOnly(bExtractFillOnly)
55         {
56         }
57 
~ContourExtractor2D()58         ContourExtractor2D::~ContourExtractor2D()
59         {
60         }
61 
processBasePrimitive2D(const primitive2d::BasePrimitive2D & rCandidate)62         void ContourExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
63         {
64             switch(rCandidate.getPrimitive2DID())
65             {
66                 case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
67                 {
68                     if(!mbExtractFillOnly)
69                     {
70                         // extract hairline in world coordinates
71                         const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
72                         basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
73                         aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
74 
75                         if(aLocalPolygon.isClosed())
76                         {
77                             // line polygons need to be represented as open polygons to differentiate them
78                             // from filled polygons
79                             basegfx::tools::openWithGeometryChange(aLocalPolygon);
80                         }
81 
82                         maExtractedContour.push_back(basegfx::B2DPolyPolygon(aLocalPolygon));
83                     }
84                     break;
85                 }
86                 case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
87                 {
88                     // extract fill in world coordinates
89                     const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
90                     basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
91                     aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
92                     maExtractedContour.push_back(aLocalPolyPolygon);
93                     break;
94                 }
95                 case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
96                 {
97                     // extract BoundRect from bitmaps in world coordinates
98                     const primitive2d::BitmapPrimitive2D& rBitmapCandidate(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
99                     basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rBitmapCandidate.getTransform());
100                     basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
101                     aPolygon.transform(aLocalTransform);
102                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aPolygon));
103                     break;
104                 }
105                 case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
106                 {
107                     // extract BoundRect from MetaFiles in world coordinates
108                     const primitive2d::MetafilePrimitive2D& rMetaCandidate(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate));
109                     basegfx::B2DHomMatrix aLocalTransform(getViewInformation2D().getObjectTransformation() * rMetaCandidate.getTransform());
110                     basegfx::B2DPolygon aPolygon(basegfx::tools::createUnitPolygon());
111                     aPolygon.transform(aLocalTransform);
112                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aPolygon));
113                     break;
114                 }
115                 case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D :
116                 {
117                     // sub-transparence group. Look at children
118                     const primitive2d::TransparencePrimitive2D& rTransCandidate(static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate));
119                     process(rTransCandidate.getChildren());
120                     break;
121                 }
122                 case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
123                 {
124                     // extract mask in world coordinates, ignore content
125                     const primitive2d::MaskPrimitive2D& rMaskCandidate(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate));
126                     basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
127                     aMask.transform(getViewInformation2D().getObjectTransformation());
128                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(aMask));
129                     break;
130                 }
131                 case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
132                 {
133                     // remember current ViewInformation2D
134                     const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
135                     const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
136 
137                     // create new local ViewInformation2D
138                     const geometry::ViewInformation2D aViewInformation2D(
139                         getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
140                         getViewInformation2D().getViewTransformation(),
141                         getViewInformation2D().getViewport(),
142                         getViewInformation2D().getVisualizedPage(),
143                         getViewInformation2D().getViewTime(),
144                         getViewInformation2D().getExtendedInformationSequence());
145                     updateViewInformation(aViewInformation2D);
146 
147                     // proccess content
148                     process(rTransformCandidate.getChildren());
149 
150                     // restore transformations
151                     updateViewInformation(aLastViewInformation2D);
152 
153                     break;
154                 }
155                 case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
156                 {
157                     // 2D Scene primitive containing 3D stuff; extract 2D contour in world coordinates
158                     const primitive2d::ScenePrimitive2D& rScenePrimitive2DCandidate(static_cast< const primitive2d::ScenePrimitive2D& >(rCandidate));
159                     const primitive2d::Primitive2DSequence xExtracted2DSceneGeometry(rScenePrimitive2DCandidate.getGeometry2D());
160                     const primitive2d::Primitive2DSequence xExtracted2DSceneShadow(rScenePrimitive2DCandidate.getShadow2D(getViewInformation2D()));
161 
162                     // proccess content
163                     if(xExtracted2DSceneGeometry.hasElements())
164                     {
165                         process(xExtracted2DSceneGeometry);
166                     }
167 
168                     // proccess content
169                     if(xExtracted2DSceneShadow.hasElements())
170                     {
171                         process(xExtracted2DSceneShadow);
172                     }
173 
174                     break;
175                 }
176                 case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
177                 case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
178                 case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
179                 {
180                     // ignorable primitives
181                     break;
182                 }
183                 case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
184                 case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
185                 {
186                     // primitives who's BoundRect will be added in world coordinates
187                     basegfx::B2DRange aRange(rCandidate.getB2DRange(getViewInformation2D()));
188                     aRange.transform(getViewInformation2D().getObjectTransformation());
189                     maExtractedContour.push_back(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(aRange)));
190                     break;
191                 }
192                 default :
193                 {
194                     // process recursively
195                     process(rCandidate.get2DDecomposition(getViewInformation2D()));
196                     break;
197                 }
198             }
199         }
200 
201     } // end of namespace processor2d
202 } // end of namespace drawinglayer
203 
204 //////////////////////////////////////////////////////////////////////////////
205 // eof
206