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SbViewportRegion.h
1 #ifndef COIN_SBVIEWPORTREGION_H
2 #define COIN_SBVIEWPORTREGION_H
3 
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35 
36 #include <cstdio>
37 #include <Inventor/SbVec2s.h>
38 #include <Inventor/SbVec2f.h>
39 
40 class COIN_DLL_API SbViewportRegion {
41 public:
42  SbViewportRegion(void);
43  SbViewportRegion(short width, short height);
44  SbViewportRegion(SbVec2s winSize);
45  SbViewportRegion(const SbViewportRegion & vpReg);
46 
47  void setWindowSize(short width, short height);
48  void setWindowSize(SbVec2s winSize);
49  void setViewport(float left, float bottom,
50  float width, float height);
51  void setViewport(SbVec2f origin, SbVec2f size);
52  void setViewportPixels(short left, short bottom,
53  short width, short height);
54  void setViewportPixels(SbVec2s origin, SbVec2s size);
55  const SbVec2s & getWindowSize(void) const;
56  const SbVec2f & getViewportOrigin(void) const;
57  const SbVec2s & getViewportOriginPixels(void) const;
58  const SbVec2f & getViewportSize(void) const;
59  const SbVec2s & getViewportSizePixels(void) const;
60  float getViewportAspectRatio(void) const;
61  void scaleWidth(float ratio);
62  void scaleHeight(float ratio);
63  void setPixelsPerInch(float ppi);
64  float getPixelsPerInch(void) const;
65  float getPixelsPerPoint(void) const;
66  friend COIN_DLL_API int operator ==(const SbViewportRegion & reg1,
67  const SbViewportRegion & reg2);
68 
69  friend COIN_DLL_API int operator !=(const SbViewportRegion & reg1,
70  const SbViewportRegion & reg2);
71 
72  void print(FILE * file) const;
73 
74 private:
75  SbVec2s winsize;
76  SbVec2f vporigin;
77  SbVec2f vpsize;
78  SbVec2s vporigin_s;
79  SbVec2s vpsize_s;
80  float pixperinch;
81 };
82 
83 COIN_DLL_API int operator ==(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
84 COIN_DLL_API int operator !=(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
85 
86 #endif // !COIN_SBVIEWPORTREGION_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:49
int operator==(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:102
int operator!=(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:106
The SbViewportRegion class is a viewport within a full window.
Definition: SbViewportRegion.h:40
The SbVec2s class is a 2 dimensional vector with short integer coordinates.
Definition: SbVec2s.h:51