1 #ifndef COIN_SOGLUPDATEAREAELEMENT_H
2 #define COIN_SOGLUPDATEAREAELEMENT_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
12  * Redistributions of source code must retain the above copyright notice,
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.
18  *
19  * Neither the name of the copyright holder nor the names of its
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
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 \**************************************************************************/
35 
36 #include <Inventor/elements/SoSubElement.h>
37 #include <Inventor/SbVec2f.h>
38 #include <Inventor/SbVec2s.h>
39 
40 class COIN_DLL_API SoGLUpdateAreaElement : public SoElement {
41   typedef SoElement inherited;
42 
43   SO_ELEMENT_HEADER(SoGLUpdateAreaElement);
44 public:
45   static void initClass(void);
46 protected:
47   virtual ~SoGLUpdateAreaElement();
48 
49 public:
50   virtual void init(SoState * state);
51   virtual void push(SoState * state);
52   virtual void pop(SoState * state,
53                    const SoElement * prevTopElement);
54 
55   virtual SbBool matches(const SoElement * element) const;
56   virtual SoElement * copyMatchInfo() const;
57 
58   static void set(SoState * const state, const SbVec2f & origin,
59                    const SbVec2f & size);
60 
61   static SbBool get(SoState * const state, SbVec2f & origin,
62                     SbVec2f & size);
63 
64   static SbVec2f getDefaultOrigin();
65   static SbVec2f getDefaultSize();
66 
67 protected:
68   SbVec2f origin;
69   SbVec2f size;
70 
71 private:
72   SbBool isDefault(void) const;
73   void updategl(void);
74   SbBool scissorstate;
75   SbVec2s screenorigin, screensize;
76 };
77 
78 #endif // !COIN_SOGLUPDATEAREAELEMENT_H
79