0023428: Extend OpenGl_Context to use Geometry Shaders extension
[occt.git] / src / OpenGl / OpenGl_GraphicDriver_703.cxx
CommitLineData
b311480e 1// Created on: 2011-10-20
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
7fd59977 20
2166f0fa 21#include <OpenGl_GraphicDriver.hxx>
7fd59977 22
7fd59977 23#include <Aspect_TypeOfMarker.hxx>
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24#include <OpenGl_Group.hxx>
25#include <OpenGl_MarkerSet.hxx>
26#include <Graphic3d_Array1OfVertex.hxx>
7fd59977 27
2166f0fa 28static void OpenGl_CreateMarkers(const Graphic3d_CGroup& ACGroup, const Standard_Integer NbPoints, const Graphic3d_Vertex *Points)
7fd59977 29{
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30 OpenGl_MarkerSet *amarkerset = new OpenGl_MarkerSet( NbPoints, Points );
31 ((OpenGl_Group *)ACGroup.ptrGroup)->AddElement( TelMarkerSet, amarkerset );
32}
7fd59977 33
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34void OpenGl_GraphicDriver::Marker (const Graphic3d_CGroup& ACGroup, const Graphic3d_Vertex& APoint, const Standard_Boolean )
35{
36 if (!ACGroup.ptrGroup)
37 return;
7fd59977 38
2166f0fa 39 const Aspect_TypeOfMarker AType = Aspect_TypeOfMarker (ACGroup.ContextMarker.MarkerType);
7fd59977 40
2166f0fa 41 switch (AType)
7fd59977 42 {
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43 case Aspect_TOM_POINT :
44 case Aspect_TOM_PLUS :
45 case Aspect_TOM_STAR :
46 case Aspect_TOM_O :
47 case Aspect_TOM_X :
48 case Aspect_TOM_O_POINT :
49 case Aspect_TOM_O_PLUS :
50 case Aspect_TOM_O_STAR :
51 case Aspect_TOM_O_X :
52 case Aspect_TOM_RING1 :
53 case Aspect_TOM_RING2 :
54 case Aspect_TOM_RING3 :
55 case Aspect_TOM_USERDEFINED:
56 OpenGl_CreateMarkers(ACGroup, 1, &APoint);
57 break;
7fd59977 58
2166f0fa 59 case Aspect_TOM_BALL :
7fd59977 60 {
2166f0fa 61 const Standard_Real Delta = 0.1;
7fd59977 62
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63 Standard_Real R, G, B, H, L, S, AScale;
64 R = Standard_Real (ACGroup.ContextMarker.Color.r);
65 G = Standard_Real (ACGroup.ContextMarker.Color.g);
66 B = Standard_Real (ACGroup.ContextMarker.Color.b);
67 AScale = Standard_Real (ACGroup.ContextMarker.Scale);
7fd59977 68
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69 // we draw a set of circles
70 CALL_DEF_CONTEXTMARKER AContext;
71 AContext.MarkerType = int (Aspect_TOM_O);
72 while (AScale >= 1.0)
73 {
74 Quantity_Color::RgbHls (R, G, B, H, L, S);
75 // Modification de la saturation de 5 %
76 S *= 0.95;
77 Quantity_Color::HlsRgb (H, L, S, R, G, B);
78 AContext.Color.r = float (R);
79 AContext.Color.g = float (G);
80 AContext.Color.b = float (B);
81 AContext.Scale = float (AScale);
82 ((OpenGl_Group *)ACGroup.ptrGroup)->SetAspectMarker(AContext, Standard_False);
83 OpenGl_CreateMarkers(ACGroup, 1, &APoint);
84 AScale -= Delta;
7fd59977 85 }
2166f0fa 86 break;
7fd59977 87 }
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88 default:
89 break;
7fd59977 90 }
7fd59977 91}
92
93void OpenGl_GraphicDriver::MarkerSet (const Graphic3d_CGroup& ACGroup,
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94 const Graphic3d_Array1OfVertex& ListVertex,
95 const Standard_Boolean )
7fd59977 96{
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97 if (!ACGroup.ptrGroup)
98 return;
7fd59977 99
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100 const Standard_Integer nb = ListVertex.Length();
101 const Graphic3d_Vertex *arr = &ListVertex( ListVertex.Lower() );
7fd59977 102
2166f0fa 103 const Aspect_TypeOfMarker AType = Aspect_TypeOfMarker (ACGroup.ContextMarker.MarkerType);
7fd59977 104
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105 switch (AType)
106 {
7fd59977 107 case Aspect_TOM_POINT :
108 case Aspect_TOM_PLUS :
109 case Aspect_TOM_STAR :
110 case Aspect_TOM_O :
111 case Aspect_TOM_X :
7fd59977 112 case Aspect_TOM_O_POINT :
7fd59977 113 case Aspect_TOM_O_PLUS :
7fd59977 114 case Aspect_TOM_O_STAR :
7fd59977 115 case Aspect_TOM_O_X :
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116 case Aspect_TOM_RING1 :
117 case Aspect_TOM_RING2 :
118 case Aspect_TOM_RING3 :
119 case Aspect_TOM_USERDEFINED:
120 OpenGl_CreateMarkers(ACGroup, nb, arr);
7fd59977 121 break;
122
123 case Aspect_TOM_BALL :
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124 {
125 const Standard_Real Delta = 0.1;
126
127 Standard_Real R, G, B, H, L, S, AScale;
128 R = Standard_Real (ACGroup.ContextMarker.Color.r);
129 G = Standard_Real (ACGroup.ContextMarker.Color.g);
130 B = Standard_Real (ACGroup.ContextMarker.Color.b);
131 AScale = Standard_Real (ACGroup.ContextMarker.Scale);
7fd59977 132
133 // we draw a set of circles
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134 CALL_DEF_CONTEXTMARKER AContext;
135 AContext.MarkerType = int (Aspect_TOM_O);
136 while (AScale >= 1.0)
137 {
7fd59977 138 Quantity_Color::RgbHls (R, G, B, H, L, S);
139 // Modification de la saturation de 5 %
2166f0fa 140 S *= 0.95;
7fd59977 141 Quantity_Color::HlsRgb (H, L, S, R, G, B);
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142 AContext.Color.r = float (R);
143 AContext.Color.g = float (G);
144 AContext.Color.b = float (B);
145 AContext.Scale = float (AScale);
146 ((OpenGl_Group *)ACGroup.ptrGroup)->SetAspectMarker(AContext, Standard_False);
147 OpenGl_CreateMarkers(ACGroup, nb, arr);
148 AScale -= Delta;
7fd59977 149 }
150 break;
2166f0fa 151 }
7fd59977 152 default:
153 break;
154 }
7fd59977 155}