source: libcaca/trunk/cucul/cucul_internals.h @ 1431

Last change on this file since 1431 was 1431, checked in by Sam Hocevar, 16 years ago
  • Improved vt220 import by adding a persistent context to canvases.
  • Property svn:keywords set to Id
File size: 1.8 KB
Line 
1/*
2 *  libcucul      Canvas for ultrafast compositing of Unicode letters
3 *  Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id: cucul_internals.h 1431 2006-11-27 01:56:37Z sam $
7 *
8 *  This library is free software; you can redistribute it and/or
9 *  modify it under the terms of the Do What The Fuck You Want To
10 *  Public License, Version 2, as published by Sam Hocevar. See
11 *  http://sam.zoy.org/wtfpl/COPYING for more details.
12 */
13
14#ifndef __CUCUL_INTERNALS_H__
15#define __CUCUL_INTERNALS_H__
16
17#if defined(HAVE_INTTYPES_H) && !defined(__KERNEL__)
18#   include <inttypes.h>
19#endif
20
21struct cucul_frame
22{
23    /* Frame size */
24    unsigned int width, height;
25
26    /* Cell information */
27    uint32_t *chars;
28    uint32_t *attrs;
29
30    /* Painting context */
31    int x, y;
32    int handlex, handley;
33    uint32_t curattr;
34
35    /* Frame name */
36    char *name;
37
38    /* Private information */
39    void *import;
40};
41
42struct cucul_canvas
43{
44    /* Frame information */
45    unsigned int frame, framecount;
46    struct cucul_frame *frames;
47
48    unsigned int refcount;
49    unsigned int autoinc;
50
51    /* Shortcut to the active frame information */
52    unsigned int width, height;
53    uint32_t *chars;
54    uint32_t *attrs;
55    uint32_t curattr;
56};
57
58struct cucul_buffer
59{
60    unsigned long int size;
61    char *data;
62    int user_data;
63};
64
65/* Canvas functions */
66extern int _cucul_set_canvas_size(cucul_canvas_t *, unsigned int, unsigned int);
67
68/* Colour functions */
69extern uint16_t _cucul_attr_to_rgb12fg(uint32_t);
70extern uint16_t _cucul_attr_to_rgb12bg(uint32_t);
71extern uint32_t _cucul_attr_to_rgb24fg(uint32_t);
72extern uint32_t _cucul_attr_to_rgb24bg(uint32_t);
73extern void _cucul_attr_to_argb4(uint32_t, uint8_t[8]);
74
75/* Frames functions */
76extern void _cucul_save_frame_info(cucul_canvas_t *);
77extern void _cucul_load_frame_info(cucul_canvas_t *);
78
79#endif /* __CUCUL_INTERNALS_H__ */
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