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
|
/*
* OpenSCAD (www.openscad.org)
* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
* Marius Kintel <marius@kintel.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* As a special exception, you have permission to link this program
* with the CGAL library and distribute executables, as long as you
* follow the requirements of the GNU GPL in regard to all of the
* software in the executable aside from CGAL.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "ThrownTogetherRenderer.h"
#include "polyset.h"
#include "csgterm.h"
#include "system-gl.h"
#include <boost/unordered_map.hpp>
#include <boost/foreach.hpp>
ThrownTogetherRenderer::ThrownTogetherRenderer(CSGChain *root_chain,
CSGChain *highlights_chain,
CSGChain *background_chain)
: root_chain(root_chain), highlights_chain(highlights_chain),
background_chain(background_chain)
{
}
void ThrownTogetherRenderer::draw(bool /*showfaces*/, bool showedges) const
{
if (this->root_chain) {
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
renderCSGChain(this->root_chain, false, false, showedges, false);
glCullFace(GL_FRONT);
glColor3ub(255, 0, 255);
renderCSGChain(this->root_chain, false, false, showedges, true);
glDisable(GL_CULL_FACE);
}
if (this->background_chain)
renderCSGChain(this->background_chain, false, true, showedges, false);
if (this->highlights_chain)
renderCSGChain(this->highlights_chain, true, false, showedges, false);
}
void ThrownTogetherRenderer::renderCSGChain(CSGChain *chain, bool highlight,
bool background, bool showedges,
bool fberror) const
{
glDepthFunc(GL_LEQUAL);
boost::unordered_map<std::pair<PolySet*,const Transform3d*>,int> polySetVisitMark;
BOOST_FOREACH(const CSGChainObject &obj, chain->objects) {
if (polySetVisitMark[std::make_pair(obj.polyset.get(), &obj.matrix)]++ > 0)
continue;
const Transform3d &m = obj.matrix;
const Color4f &c = obj.color;
glPushMatrix();
glMultMatrixd(m.data());
PolySet::csgmode_e csgmode = obj.type == CSGTerm::TYPE_DIFFERENCE ? PolySet::CSGMODE_DIFFERENCE : PolySet::CSGMODE_NORMAL;
ColorMode colormode = COLORMODE_NONE;
ColorMode edge_colormode = COLORMODE_NONE;
if (highlight) {
csgmode = PolySet::csgmode_e(csgmode + 20);
colormode = COLORMODE_HIGHLIGHT;
edge_colormode = COLORMODE_HIGHLIGHT_EDGES;
} else if (background) {
if (obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
colormode = COLORMODE_HIGHLIGHT;
}
else {
colormode = COLORMODE_BACKGROUND;
}
csgmode = PolySet::csgmode_e(csgmode + 10);
edge_colormode = COLORMODE_BACKGROUND_EDGES;
} else if (fberror) {
if (highlight) csgmode = PolySet::csgmode_e(csgmode + 20);
else if (background) csgmode = PolySet::csgmode_e(csgmode + 10);
else csgmode = PolySet::csgmode_e(csgmode);
} else if (obj.type == CSGTerm::TYPE_DIFFERENCE) {
if (obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
colormode = COLORMODE_HIGHLIGHT;
csgmode = PolySet::csgmode_e(csgmode + 20);
}
else {
colormode = COLORMODE_CUTOUT;
}
edge_colormode = COLORMODE_CUTOUT_EDGES;
} else {
if (obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
colormode = COLORMODE_HIGHLIGHT;
csgmode = PolySet::csgmode_e(csgmode + 20);
}
else {
colormode = COLORMODE_MATERIAL;
}
edge_colormode = COLORMODE_MATERIAL_EDGES;
}
setColor(colormode, c.data());
obj.polyset->render_surface(csgmode, m);
if (showedges) {
// FIXME? glColor4f((c[0]+1)/2, (c[1]+1)/2, (c[2]+1)/2, 1.0);
setColor(edge_colormode);
obj.polyset->render_edges(csgmode);
}
glPopMatrix();
}
}
|
