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
|
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGTEXT_TEXT3D
#define OSGTEXT_TEXT3D 1
#include <osgText/TextBase>
#include <osgText/Style>
namespace osgText {
class OSGTEXT_EXPORT Text3D : public osgText::TextBase
{
public:
/** Deprecated.*/
enum RenderMode
{
PER_FACE,
PER_GLYPH
};
Text3D();
Text3D(const Text3D& text,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgText,Text3D)
/** Get the Charactere Depth of text. */
float getCharacterDepth() const;
/** Set the Charactere Depth of text. */
void setCharacterDepth(float characterDepth);
/** Deprecated, value is now ignored. */
RenderMode getRenderMode() const { return _renderMode; }
/** Deprecated, value is now ignored. */
void setRenderMode(RenderMode renderMode) { _renderMode = renderMode; }
/** Get the wall StateSet */
osg::StateSet* getWallStateSet() { return _wallStateSet.get(); }
/** Get the wall StateSet */
const osg::StateSet* getWallStateSet() const { return _wallStateSet.get(); }
/** Get or create the wall StateSet */
osg::StateSet* getOrCreateWallStateSet()
{
if (_wallStateSet.valid() == false) _wallStateSet = new osg::StateSet;
return _wallStateSet.get();
}
/** Set the wall StateSet */
void setWallStateSet(osg::StateSet* wallStateSet) { _wallStateSet = wallStateSet; }
/** Get the back StateSet */
osg::StateSet* getBackStateSet() { return _backStateSet.get(); }
/** Get the back StateSet */
osg::StateSet* getBackStateSet() const { return _backStateSet.get(); }
/** Get or create the back StateSet */
osg::StateSet* getOrCreateBackStateSet() { if (_backStateSet.valid() == false) _backStateSet = new osg::StateSet; return _backStateSet.get(); }
/** Set the back StateSet */
void setBackStateSet(osg::StateSet* backStateSet) { _backStateSet = backStateSet; }
/** Draw the text.*/
virtual void drawImplementation(osg::RenderInfo& renderInfo) const;
/** return false, osgText::Text does not support accept(AttributeFunctor&).*/
virtual bool supports(const osg::Drawable::AttributeFunctor&) const { return false; }
/** return true, osgText::Text does support accept(ConstAttributeFunctor&).*/
virtual bool supports(const osg::Drawable::ConstAttributeFunctor&) const { return false; }
/** accept an ConstAttributeFunctor and call its methods to tell it about the internal attributes that this Drawable has.*/
virtual void accept(osg::Drawable::ConstAttributeFunctor& af) const;
/** return true, osgText::Text does support accept(PrimitiveFunctor&) .*/
virtual bool supports(const osg::PrimitiveFunctor&) const { return false; }
/** accept a PrimtiveFunctor and call its methods to tell it about the internal primtives that this Drawable has.*/
virtual void accept(osg::PrimitiveFunctor& pf) const;
/** Resize any per context GLObject buffers to specified size. */
virtual void resizeGLObjectBuffers(unsigned int maxSize);
/** If State is non-zero, this function releases OpenGL objects for
* the specified graphics context. Otherwise, releases OpenGL objexts
* for all graphics contexts. */
virtual void releaseGLObjects(osg::State* state=0) const;
// make Font a friend to allow it set the _font to 0 if the font is
// forcefully unloaded.
friend class Font;
virtual osg::BoundingBox computeBoundingBox() const;
protected:
virtual ~Text3D() {}
String::iterator computeLastCharacterOnLine(osg::Vec2& cursor, String::iterator first,String::iterator last);
void computeGlyphRepresentation();
void copyAndOffsetPrimitiveSets(osg::Geometry::PrimitiveSetList& dest_PrimitiveSetList, osg::Geometry::PrimitiveSetList& src_PrimitiveSetList, unsigned int offset);
osg::Geometry::PrimitiveSetList _frontPrimitiveSetList;
osg::Geometry::PrimitiveSetList _wallPrimitiveSetList;
osg::Geometry::PrimitiveSetList _backPrimitiveSetList;
// ** glyph and other information to render the glyph
struct GlyphRenderInfo
{
GlyphRenderInfo(GlyphGeometry* glyphGeometry, osg::Vec3 & pos):
_glyphGeometry(glyphGeometry),
_position(pos) {}
osg::ref_ptr<GlyphGeometry> _glyphGeometry;
osg::Vec3 _position;
};
typedef std::vector<GlyphRenderInfo> LineRenderInfo;
typedef std::vector<LineRenderInfo> TextRenderInfo;
TextRenderInfo _textRenderInfo;
// deprecated value no longer used.
RenderMode _renderMode;
osg::ref_ptr<osg::StateSet> _wallStateSet;
osg::ref_ptr<osg::StateSet> _backStateSet;
};
}
#endif
|
