1 #ifndef COIN_SOIMAGE_H
2 #define COIN_SOIMAGE_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
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7  *
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13  * this list of conditions and the following disclaimer.
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15  * Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
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21  * this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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34 \**************************************************************************/
35 
36 #include <Inventor/nodes/SoSubNode.h>
37 #include <Inventor/nodes/SoShape.h>
38 #include <Inventor/fields/SoSFInt32.h>
39 #include <Inventor/fields/SoSFEnum.h>
40 #include <Inventor/fields/SoSFImage.h>
41 #include <Inventor/fields/SoSFString.h>
42 
43 class SoSensor;
44 class SoFieldSensor;
45 class SbImage;
46 
47 class COIN_DLL_API SoImage : public SoShape {
48   typedef SoShape inherited;
49 
50   SO_NODE_HEADER(SoImage);
51 
52 public:
53   static void initClass(void);
54   SoImage(void);
55 
56   enum VertAlignment {
57     BOTTOM,
58     HALF,
59     TOP
60   };
61 
62   enum HorAlignment {
63     LEFT,
64     CENTER,
65     RIGHT
66   };
67 
68   SoSFInt32 width;
69   SoSFInt32 height;
70   SoSFEnum vertAlignment;
71   SoSFEnum horAlignment;
72   SoSFImage image;
73   SoSFString filename;
74 
75   virtual void GLRender(SoGLRenderAction * action);
76   virtual void rayPick(SoRayPickAction * action);
77   virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
78 
79 protected:
80   virtual ~SoImage();
81 
82   virtual void generatePrimitives(SoAction * action);
83   virtual void computeBBox(SoAction * action, SbBox3f & box, SbVec3f & center);
84 
85   virtual SbBool readInstance(SoInput * in, unsigned short flags);
86   virtual void notify(SoNotList * list);
87   int getReadStatus(void);
88   void setReadStatus(SbBool flag);
89 
90 private:
91   SbVec2s getSize(void) const;
92   static SbVec3f getNilpoint(SoState *state);
93   void getQuad(SoState *state, SbVec3f &v0, SbVec3f &v1,
94                SbVec3f &v2, SbVec3f &v3);
95 
96   const unsigned char * getImage(SbVec2s & size, int & nc);
97   SbBool loadFilename(void);
98   SbBool readstatus;
99   SbImage * resizedimage;
100   SbBool resizedimagevalid;
101   class SoFieldSensor * filenamesensor;
102   SbBool transparency;
103   SbBool testtransparency;
104   void testTransparency(void);
105   static void filenameSensorCB(void *, SoSensor *);
106 };
107 
108 #endif // !COIN_SOIMAGE_H
109