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SbViewportRegion.h
1 #ifndef COIN_SBVIEWPORTREGION_H
2 #define COIN_SBVIEWPORTREGION_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
8  *
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10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
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16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Systems in Motion about acquiring
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19  *
20  * See http://www.coin3d.org/ for more information.
21  *
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23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
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25 \**************************************************************************/
26 
27 #include <stdio.h>
28 #include <Inventor/SbVec2s.h>
29 #include <Inventor/SbVec2f.h>
30 
31 class COIN_DLL_API SbViewportRegion {
32 public:
33  SbViewportRegion(void);
34  SbViewportRegion(short width, short height);
35  SbViewportRegion(SbVec2s winSize);
36  SbViewportRegion(const SbViewportRegion & vpReg);
37 
38  void setWindowSize(short width, short height);
39  void setWindowSize(SbVec2s winSize);
40  void setViewport(float left, float bottom,
41  float width, float height);
42  void setViewport(SbVec2f origin, SbVec2f size);
43  void setViewportPixels(short left, short bottom,
44  short width, short height);
45  void setViewportPixels(SbVec2s origin, SbVec2s size);
46  const SbVec2s & getWindowSize(void) const;
47  const SbVec2f & getViewportOrigin(void) const;
48  const SbVec2s & getViewportOriginPixels(void) const;
49  const SbVec2f & getViewportSize(void) const;
50  const SbVec2s & getViewportSizePixels(void) const;
51  float getViewportAspectRatio(void) const;
52  void scaleWidth(float ratio);
53  void scaleHeight(float ratio);
54  void setPixelsPerInch(float ppi);
55  float getPixelsPerInch(void) const;
56  float getPixelsPerPoint(void) const;
57  friend COIN_DLL_API int operator ==(const SbViewportRegion & reg1,
58  const SbViewportRegion & reg2);
59 
60  friend COIN_DLL_API int operator !=(const SbViewportRegion & reg1,
61  const SbViewportRegion & reg2);
62 
63  void print(FILE * file) const;
64 
65 private:
66  SbVec2s winsize;
67  SbVec2f vporigin;
68  SbVec2f vpsize;
69  SbVec2s vporigin_s;
70  SbVec2s vpsize_s;
71  float pixperinch;
72 };
73 
74 COIN_DLL_API int operator ==(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
75 COIN_DLL_API int operator !=(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
76 
77 #endif // !COIN_SBVIEWPORTREGION_H
The SbVec2f class is a 2 dimensional vector with floating point coordinates.
Definition: SbVec2f.h:36
int operator!=(const SbBox2i32 &b1, const SbBox2i32 &b2)
Definition: SbBox2i32.h:91
The SbViewportRegion class is a viewport within a full window.The SbViewportRegion class contains inf...
Definition: SbViewportRegion.h:31
The SbVec2s class is a 2 dimensional vector with short integer coordinates.This vector class is used ...
Definition: SbVec2s.h:37
int operator==(const SbBox2i32 &b1, const SbBox2i32 &b2)
Definition: SbBox2i32.h:87

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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