blob: 01e7c9e1d765f33abad1a6c3dbd029225910ea5a (
plain)
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
|
#ifndef __FTExtrdGlyph__
#define __FTExtrdGlyph__
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_GLYPH_H
#include "FTGL.h"
#include "FTGlyph.h"
class FTVectoriser;
/**
* FTExtrdGlyph is a specialisation of FTGlyph for creating tessellated
* extruded polygon glyphs.
*
* @see FTGlyphContainer
* @see FTVectoriser
*
*/
class FTGL_EXPORT FTExtrdGlyph : public FTGlyph
{
public:
/**
* Constructor. Sets the Error to Invalid_Outline if the glyphs isn't an outline.
*
* @param glyph The Freetype glyph to be processed
* @param depth The distance along the z axis to extrude the glyph
*/
FTExtrdGlyph( FT_GlyphSlot glyph, float depth);
/**
* Destructor
*/
virtual ~FTExtrdGlyph();
/**
* Renders this glyph at the current pen position.
*
* @param pen The current pen position.
* @return The advance distance for this glyph.
*/
virtual float Render( const FTPoint& pen);
private:
/**
* Calculate the normal vector to 2 points. This is 2D and ignores
* the z component. The normal will be normalised
*
* @param a
* @param b
* @return
*/
FTPoint GetNormal( const FTPoint &a, const FTPoint &b);
/**
* OpenGL display list
*/
GLuint glList;
/**
* Distance to extrude the glyph
*/
float depth;
};
#endif // __FTExtrdGlyph__
|