1 #ifndef COIN_SBVIEWPORTREGION_H
2 #define COIN_SBVIEWPORTREGION_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
6  * All rights reserved.
7  *
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13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
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20  * contributors may be used to endorse or promote products derived from
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
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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33  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 \**************************************************************************/
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
87