xref: /trunk/main/drawinglayer/source/primitive2d/mediaprimitive2d.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/primitive2d/mediaprimitive2d.hxx>
32 #include <basegfx/polygon/b2dpolygon.hxx>
33 #include <basegfx/polygon/b2dpolygontools.hxx>
34 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
35 #include <avmedia/mediawindow.hxx>
36 #include <svtools/grfmgr.hxx>
37 #include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
38 #include <drawinglayer/geometry/viewinformation2d.hxx>
39 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
40 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
41 #include <drawinglayer/primitive2d/hiddengeometryprimitive2d.hxx>
42 
43 //////////////////////////////////////////////////////////////////////////////
44 
45 namespace drawinglayer
46 {
47     namespace primitive2d
48     {
49         Primitive2DSequence MediaPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
50         {
51             Primitive2DSequence xRetval(1);
52 
53             // create background object
54             basegfx::B2DPolygon aBackgroundPolygon(basegfx::tools::createUnitPolygon());
55             aBackgroundPolygon.transform(getTransform());
56             const Primitive2DReference xRefBackground(
57                 new PolyPolygonColorPrimitive2D(
58                     basegfx::B2DPolyPolygon(aBackgroundPolygon),
59                     getBackgroundColor()));
60             xRetval[0] = xRefBackground;
61 
62             // try to get graphic snapshot
63             const Graphic aGraphic(avmedia::MediaWindow::grabFrame(getURL(), true));
64 
65             if(GRAPHIC_BITMAP == aGraphic.GetType() || GRAPHIC_GDIMETAFILE == aGraphic.GetType())
66             {
67                 const GraphicObject aGraphicObject(aGraphic);
68                 const GraphicAttr aGraphicAttr;
69                 xRetval.realloc(2);
70                 xRetval[0] = xRefBackground;
71                 xRetval[1] = Primitive2DReference(new GraphicPrimitive2D(getTransform(), aGraphicObject, aGraphicAttr));
72             }
73 
74             if(getDiscreteBorder())
75             {
76                 const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
77                     basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
78                 const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
79 
80                 basegfx::B2DRange aSourceRange(0.0, 0.0, 1.0, 1.0);
81                 aSourceRange.transform(getTransform());
82 
83                 basegfx::B2DRange aDestRange(aSourceRange);
84                 aDestRange.grow(-0.5 * fDiscreteSize);
85 
86                 if(basegfx::fTools::equalZero(aDestRange.getWidth()) || basegfx::fTools::equalZero(aDestRange.getHeight()))
87                 {
88                     // shrunk primitive has no content (zero size in X or Y), nothing to display. Still create
89                     // invisible content for HitTest and BoundRect
90                     const Primitive2DReference xHiddenLines(new HiddenGeometryPrimitive2D(xRetval));
91 
92                     xRetval = Primitive2DSequence(&xHiddenLines, 1);
93                 }
94                 else
95                 {
96                     // create transformation matrix from original range to shrunk range
97                     basegfx::B2DHomMatrix aTransform;
98                     aTransform.translate(-aSourceRange.getMinX(), -aSourceRange.getMinY());
99                     aTransform.scale(aDestRange.getWidth() / aSourceRange.getWidth(), aDestRange.getHeight() / aSourceRange.getHeight());
100                     aTransform.translate(aDestRange.getMinX(), aDestRange.getMinY());
101 
102                     // add transform primitive
103                     const Primitive2DReference aScaled(new TransformPrimitive2D(aTransform, xRetval));
104                     xRetval = Primitive2DSequence(&aScaled, 1L);
105                 }
106             }
107 
108             return xRetval;
109         }
110 
111         MediaPrimitive2D::MediaPrimitive2D(
112             const basegfx::B2DHomMatrix& rTransform,
113             const rtl::OUString& rURL,
114             const basegfx::BColor& rBackgroundColor,
115             sal_uInt32 nDiscreteBorder)
116         :   BufferedDecompositionPrimitive2D(),
117             maTransform(rTransform),
118             maURL(rURL),
119             maBackgroundColor(rBackgroundColor),
120             mnDiscreteBorder(nDiscreteBorder)
121         {
122         }
123 
124         bool MediaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
125         {
126             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
127             {
128                 const MediaPrimitive2D& rCompare = (MediaPrimitive2D&)rPrimitive;
129 
130                 return (getTransform() == rCompare.getTransform()
131                     && getURL() == rCompare.getURL()
132                     && getBackgroundColor() == rCompare.getBackgroundColor()
133                     && getDiscreteBorder() == rCompare.getDiscreteBorder());
134             }
135 
136             return false;
137         }
138 
139         basegfx::B2DRange MediaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
140         {
141             basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
142             aRetval.transform(getTransform());
143 
144             if(getDiscreteBorder())
145             {
146                 const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
147                     basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
148                 const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
149 
150                 aRetval.grow(-0.5 * fDiscreteSize);
151             }
152 
153             return aRetval;
154         }
155 
156         // provide unique ID
157         ImplPrimitrive2DIDBlock(MediaPrimitive2D, PRIMITIVE2D_ID_MEDIAPRIMITIVE2D)
158 
159     } // end of namespace primitive2d
160 } // end of namespace drawinglayer
161 
162 //////////////////////////////////////////////////////////////////////////////
163 // eof
164