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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) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
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.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
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

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