0024276: Memory leak due to a static variable
[occt.git] / src / OpenGl / OpenGl_AspectMarker.hxx
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b311480e 1// Created on: 2011-07-13
2// Created by: Sergey ZERCHANINOV
3// Copyright (c) 2011-2012 OPEN CASCADE SAS
4//
5// The content of this file is subject to the Open CASCADE Technology Public
6// License Version 6.5 (the "License"). You may not use the content of this file
7// except in compliance with the License. Please obtain a copy of the License
8// at http://www.opencascade.org and read it completely before using this file.
9//
10// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12//
13// The Original Code and all software distributed under the License is
14// distributed on an "AS IS" basis, without warranty of any kind, and the
15// Initial Developer hereby disclaims all such warranties, including without
16// limitation, any warranties of merchantability, fitness for a particular
17// purpose or non-infringement. Please see the License for the specific terms
18// and conditions governing the rights and limitations under the License.
19
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20#ifndef OpenGl_AspectMarker_Header
21#define OpenGl_AspectMarker_Header
22
bf75be98 23#include <InterfaceGraphic_Graphic3d.hxx>
2166f0fa 24#include <Aspect_TypeOfMarker.hxx>
a577aaab 25#include <Graphic3d_CGroup.hxx>
26#include <TCollection_AsciiString.hxx>
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27
28#include <OpenGl_Element.hxx>
a577aaab 29#include <Handle_OpenGl_PointSprite.hxx>
30
31#include <Image_PixMap_Handle.hxx>
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32
33class OpenGl_AspectMarker : public OpenGl_Element
34{
a577aaab 35public:
2166f0fa 36
a577aaab 37 OpenGl_AspectMarker();
2166f0fa 38
fd4a6963 39 //! Copy parameters
40 void SetAspect (const CALL_DEF_CONTEXTMARKER& theAspect);
2166f0fa 41
fd4a6963 42 //! @return marker color
43 const TEL_COLOUR& Color() const
44 {
45 return myColor;
46 }
47
48 //! @return maker type
49 Aspect_TypeOfMarker Type() const
50 {
51 return myType;
52 }
53
54 //! @return marker scale
55 Standard_ShortReal Scale() const
56 {
57 return myScale;
58 }
59
60 //! @return marker size
61 Standard_ShortReal MarkerSize() const
62 {
63 return myMarkerSize;
64 }
65
66 //! Init and return OpenGl point sprite resource.
67 //! @return point sprite texture.
68 const Handle(OpenGl_PointSprite)& Sprite (const Handle(OpenGl_Workspace)& theWorkspace) const
69 {
70 if (!myIsSpriteInit)
71 {
72 buildSprites (theWorkspace);
73 myIsSpriteInit = Standard_True;
74 }
75
76 return mySprite;
77 }
78
79 //! Init and return OpenGl highlight point sprite resource.
80 //! @return point sprite texture for highlight.
81 const Handle(OpenGl_PointSprite)& SpriteHighlight (const Handle(OpenGl_Workspace)& theWorkspace) const
82 {
83 if (!myIsSpriteInit)
84 {
85 buildSprites (theWorkspace);
86 myIsSpriteInit = Standard_True;
87 }
88
89 return mySpriteA;
90 }
2166f0fa 91
5e27df78 92 virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
93 virtual void Release (const Handle(OpenGl_Context)& theContext);
2166f0fa 94
a577aaab 95protected:
96
fd4a6963 97 void buildSprites (const Handle(OpenGl_Workspace)& theWorkspace) const;
98 void resourceKeys (const Handle(Graphic3d_MarkerImage)& theMarkerImage,
99 const Aspect_TypeOfMarker theType,
100 const Standard_ShortReal theScale,
101 const TEL_COLOUR& theColor,
102 TCollection_AsciiString& theKey,
103 TCollection_AsciiString& theKeyA) const;
104
105protected: //! @name ordinary aspect properties
106
107 TEL_COLOUR myColor;
108 Aspect_TypeOfMarker myType;
109 Standard_ShortReal myScale;
110 Handle(Graphic3d_MarkerImage) myMarkerImage;
111
112protected: //! @name OpenGl resources
113
114 mutable Standard_ShortReal myMarkerSize;
115 mutable TCollection_AsciiString mySpriteKey;
116 mutable TCollection_AsciiString mySpriteAKey;
117 mutable Standard_Boolean myIsSpriteInit;
118 mutable Handle(OpenGl_PointSprite) mySprite; //!< normal sprite
119 mutable Handle(OpenGl_PointSprite) mySpriteA; //!< extra alpha-only sprite for RGB sprites
2166f0fa 120
a577aaab 121public:
2166f0fa 122
1c35b92f 123 DEFINE_STANDARD_ALLOC
a577aaab 124
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125};
126
a577aaab 127#endif // OpenGl_AspectMarker_Header