1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
*
* Tulip is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* Tulip is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
*/
#include <cmath>
#include <string>
#include <tulip/StringProperty.h>
#include <tulip/ColorProperty.h>
#include <tulip/DoubleProperty.h>
#include <tulip/Size.h>
#include <tulip/Coord.h>
#include <tulip/Glyph.h>
#include <tulip/EdgeExtremityGlyph.h>
#include <tulip/GlDisplayListManager.h>
#include <tulip/GlTextureManager.h>
#include <tulip/OpenGlConfigManager.h>
#include <tulip/Graph.h>
#include <tulip/GlTools.h>
using namespace std;
using namespace tlp;
/** \addtogroup glyph */
/*@{*/
/// A 2D glyph
/**
* This glyph draws a textured disc with a circular hole using the
* "viewTexture" node property value.
* If this property has no value, the ring
* is then colored using the "viewColor" node property value.
*/
class Ring: public Glyph, public EdgeExtremityGlyphFrom2DGlyph {
public:
Ring(GlyphContext *gc = NULL);
Ring(EdgeExtremityGlyphContext *gc);
virtual ~Ring();
virtual void getIncludeBoundingBox(BoundingBox &boundingBox,node);
virtual string getName() {
return string("Ring");
}
virtual void draw(node n, float lod);
virtual void draw(edge e, node n, const Color& glyphColor, const Color &borderColor, float lod);
protected:
inline void drawGlyph(const Color& glyohColor, const string& texture,
const string& texturePath, double borderWidth,
const Color& borderColor, float lod);
void drawRing();
void drawRingBorder();
};
//=====================================================
GLYPHPLUGIN(Ring, "2D - Ring", "David Auber", "09/07/2002", "Textured Ring", "1.0", 15)
EEGLYPHPLUGIN(Ring, "2D - Ring", "David Auber", "09/07/2002", "Textured Ring", "1.0", 15)
//===================================================================================
Ring::Ring(GlyphContext *gc) :
Glyph(gc), EdgeExtremityGlyphFrom2DGlyph(NULL) {
}
Ring::Ring(EdgeExtremityGlyphContext *gc) :
Glyph(NULL), EdgeExtremityGlyphFrom2DGlyph(gc) {
}
//=====================================================
Ring::~Ring() {
}
//=====================================================
void Ring::getIncludeBoundingBox(BoundingBox &boundingBox,node) {
boundingBox[0] = Coord(-0.35f, -0.35f, 0);
boundingBox[1] = Coord(0.35f, 0.35f, 0);
}
//=====================================================
void Ring::draw(node n, float lod) {
drawGlyph(glGraphInputData->getElementColor()->getNodeValue(n),
glGraphInputData->getElementTexture()->getNodeValue(n),
glGraphInputData->parameters->getTexturePath(),
glGraphInputData->getElementBorderWidth()->getNodeValue(n),
glGraphInputData->getElementBorderColor()->getNodeValue(n), lod);
}
void Ring::draw(edge e, node, const Color& glyphColor, const Color &borderColor, float lod) {
glDisable(GL_LIGHTING);
drawGlyph(glyphColor,
edgeExtGlGraphInputData->getElementTexture()->getEdgeValue(e),
edgeExtGlGraphInputData->parameters->getTexturePath(),
edgeExtGlGraphInputData->getElementBorderWidth()->getEdgeValue(e),
borderColor, lod);
}
//=====================================================
void Ring::drawRing() {
GLUquadricObj *quadratic;
quadratic = gluNewQuadric();
gluQuadricNormals(quadratic, GLU_SMOOTH);
gluQuadricTexture(quadratic, GL_TRUE);
gluQuadricOrientation(quadratic, GLU_OUTSIDE);
gluDisk(quadratic, 0.2f, 0.5f, 30, 1);
gluQuadricOrientation(quadratic, GLU_INSIDE);
gluDisk(quadratic, 0.2f, 0.5f, 30, 1);
gluDeleteQuadric(quadratic);
}
//=====================================================
void Ring::drawRingBorder() {
glBegin(GL_LINE_LOOP);
double alpha = M_PI / 2.;
double delta = 2. * M_PI / 30.0;
for (unsigned int i = 0; i < 30; ++i) {
glVertex3f(0.5f * static_cast<float>(cos(alpha)), 0.5f * static_cast<float>(sin(alpha)), 0.0f);
alpha += delta;
}
glEnd();
glBegin(GL_LINE_LOOP);
alpha = M_PI / 2.;
for (unsigned int i = 0; i < 30; ++i) {
glVertex3f(0.2f * static_cast<float>(cos(alpha)), 0.2f * static_cast<float>(sin(alpha)), 0.0f);
alpha += delta;
}
glEnd();
}
//=====================================================
/*@}*/
void Ring::drawGlyph(const Color& glyohColor, const string& texture,
const string& texturePath, double borderWidth,
const Color& borderColor, float lod) {
if (GlDisplayListManager::getInst().beginNewDisplayList("Ring_ring")) {
drawRing();
GlDisplayListManager::getInst().endNewDisplayList();
}
if (GlDisplayListManager::getInst().beginNewDisplayList("Ring_ringborder")) {
drawRingBorder();
GlDisplayListManager::getInst().endNewDisplayList();
}
setMaterial(glyohColor);
if (texture != "") {
GlTextureManager::getInst().activateTexture(texturePath + texture);
}
OpenGlConfigManager::getInst().activatePolygonAntiAliasing();
GlDisplayListManager::getInst().callDisplayList("Ring_ring");
OpenGlConfigManager::getInst().desactivatePolygonAntiAliasing();
GlTextureManager::getInst().desactivateTexture();
if (lod > 20) {
if (borderWidth < 1e-6)
glLineWidth(1e-6f); //no negative borders
else
glLineWidth(static_cast<float>(borderWidth));
}
glDisable(GL_LIGHTING);
setColor(borderColor);
OpenGlConfigManager::getInst().activateLineAndPointAntiAliasing();
GlDisplayListManager::getInst().callDisplayList("Ring_ringborder");
OpenGlConfigManager::getInst().desactivateLineAndPointAntiAliasing();
glEnable(GL_LIGHTING);
}
|
