openscenegraph
osgText/Style
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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGTEXT_STYLE
15#define OSGTEXT_STYLE 1
16
17#include <osg/Object>
18#include <osg/Vec2>
19#include <osgText/Export>
20
21#include <iosfwd>
22#include <vector>
23
24namespace osgText
25{
26
27class OSGTEXT_EXPORT Bevel : public osg::Object
28{
29 public:
30
31 Bevel();
32 Bevel(const Bevel& bevel, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
33
34 META_Object(osgText, Bevel)
35
36 bool operator == (const Bevel& rhs) const
37 {
38 if (_smoothConcaveJunctions != rhs._smoothConcaveJunctions) return false;
39 if (_thickness != rhs._thickness) return false;
40 return _vertices==rhs._vertices;
41 }
42
43 void setSmoothConcaveJunctions(bool flag) { _smoothConcaveJunctions = flag; }
44 bool getSmoothConcaveJunctions() const { return _smoothConcaveJunctions; }
45
46 void setBevelThickness(float thickness) { _thickness = thickness; }
47 float getBevelThickness() const { return _thickness; }
48
49 void flatBevel(float width=0.25f);
50
51 void roundedBevel(float width=0.5f, unsigned int numSteps=10);
52
53 void roundedBevel2(float width=0.5f, unsigned int numSteps=10);
54
55 typedef std::vector<osg::Vec2> Vertices;
56
57 void setVertices(const Vertices& vertices) { _vertices = vertices; }
58 Vertices& getVertices() { return _vertices; }
59 const Vertices& getVertices() const { return _vertices; }
60
61 void print(std::ostream& fout);
62
63 protected:
64
65 bool _smoothConcaveJunctions;
66 float _thickness;
67 Vertices _vertices;
68};
69
70
71class OSGTEXT_EXPORT Style : public osg::Object
72{
73 public:
74
75 Style();
76 Style(const Style& style, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
77
78 META_Object(osgText, Style);
79
80 /// default Layout implementation used if no other is specified on TextNode
81 static osg::ref_ptr<Style>& getDefaultStyle();
82
83 bool operator == (const Style& style) const;
84
85 /// NULL is no bevel
86 void setBevel(Bevel* bevel) { _bevel = bevel; }
87 const Bevel* getBevel() const { return _bevel.get(); }
88
89
90 /// 1 is the default width of the text
91 void setWidthRatio(float widthRatio) { _widthRatio = widthRatio; }
92 float getWidthRatio() const { return _widthRatio; }
93
94 /// 0 is 2D text
95 void setThicknessRatio(float thicknessRatio) { _thicknessRatio = thicknessRatio; }
96 float getThicknessRatio() const { return _thicknessRatio; }
97
98 /// 0 is off
99 void setOutlineRatio(float outlineRatio) { _outlineRatio = outlineRatio; }
100 float getOutlineRatio() const { return _outlineRatio; }
101
102 /// 1.0 is default number of samples
103 void setSampleDensity(float sd) { _sampleDensity = sd; }
104 float getSampleDensity() const { return _sampleDensity; }
105
106 protected:
107
108 osg::ref_ptr<Bevel> _bevel;
109
110 float _widthRatio;
111 float _thicknessRatio;
112 float _outlineRatio;
113 float _sampleDensity;
114};
115
116}
117
118#endif