Panda3D

pnmTextMaker.h
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1 /**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file pnmTextMaker.h
10 * @author drose
11 * @date 2002-04-03
12 */
13
14 #ifndef PNMTEXTMAKER_H
15 #define PNMTEXTMAKER_H
16
17 #include "pandabase.h"
18 #include "pmap.h"
19 #include "freetypeFont.h"
20 #include "textEncoder.h"
21
22 #include <ft2build.h>
23 #include FT_FREETYPE_H
24
25 class Filename;
26 class PNMImage;
27 class PNMTextGlyph;
28
29 /**
30 * This object uses the Freetype library to generate text directly into an
31 * image. It is different from the TextNode/DynamicTextFont interface, which
32 * use the Freetype library to generate text in the scene graph, to be
33 * rendered onscreen via the Panda render traversal.
34 */
35 class EXPCL_PANDA_PNMTEXT PNMTextMaker : public FreetypeFont {
36 PUBLISHED:
37 explicit PNMTextMaker(const Filename &font_filename, int face_index);
38 explicit PNMTextMaker(const char *font_data, int data_length, int face_index);
39 explicit PNMTextMaker(const FreetypeFont &copy);
40 PNMTextMaker(const PNMTextMaker &copy);
41 ~PNMTextMaker();
42
43 enum Alignment {
44 A_left,
45 A_right,
46 A_center,
47 };
48
49 INLINE bool is_valid() const;
50
51 INLINE void set_align(Alignment align_type);
52 INLINE Alignment get_align() const;
53
54 INLINE void set_interior_flag(bool interior_flag);
55 INLINE bool get_interior_flag() const;
56
57 INLINE void set_fg(const LColor &fg);
58 INLINE const LColor &get_fg() const;
59
60 INLINE void set_interior(const LColor &interior);
61 INLINE const LColor &get_interior() const;
62
63 INLINE void set_distance_field_radius(int radius);
64 INLINE int get_distance_field_radius() const;
65
66 INLINE int generate_into(const std::string &text,
67 PNMImage &dest_image, int x, int y);
68 int generate_into(const std::wstring &text,
69 PNMImage &dest_image, int x, int y);
70 INLINE int calc_width(const std::string &text);
71 int calc_width(const std::wstring &text);
72
73 PNMTextGlyph *get_glyph(int character);
74
75 private:
76 void initialize();
77 PNMTextGlyph *make_glyph(int glyph_index);
78 void empty_cache();
79
80 bool _is_valid;
81
82 typedef pmap<int, PNMTextGlyph *> Glyphs;
83 Glyphs _glyphs;
84
85 Alignment _align;
86 bool _interior_flag;
87 LColor _fg;
88 LColor _interior;
89 int _distance_field_radius;
90 };
91
92 #include "pnmTextMaker.I"
93
94 #endif
Filename
The name of a file, such as a texture file or an Egg file.
Definition: filename.h:39
PNMImage
The name of this class derives from the fact that we originally implemented it as a layer on top of t...
Definition: pnmImage.h:58
PNMTextGlyph
A single glyph in a PNMTextMaker.
Definition: pnmTextGlyph.h:25
PNMTextMaker
This object uses the Freetype library to generate text directly into an image.
Definition: pnmTextMaker.h:35
pmap< int, PNMTextGlyph * >
freetypeFont.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pmap.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pnmTextMaker.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
textEncoder.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.