source: libcaca/trunk/cucul/cucul_internals.h @ 1342

Last change on this file since 1342 was 1342, checked in by Sam Hocevar, 16 years ago
  • Add cursor and handle support to canvases. Unused yet.
  • Property svn:keywords set to Id
File size: 1.6 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 1342 2006-11-11 14:24:35Z 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
36struct cucul_canvas
37{
38    /* Frame information */
39    unsigned int frame, framecount;
40    struct cucul_frame *frames;
41
42    unsigned int refcount;
43
44    /* Shortcut to the active frame information */
45    unsigned int width, height;
46    uint32_t *chars;
47    uint32_t *attrs;
48    uint32_t curattr;
49};
50
51struct cucul_buffer
52{
53    unsigned long int size;
54    char *data;
55    int user_data;
56};
57
58/* Canvas functions */
59extern int _cucul_set_canvas_size(cucul_canvas_t *, unsigned int, unsigned int);
60
61/* Colour functions */
62extern uint16_t _cucul_attr_to_rgb12fg(uint32_t);
63extern uint16_t _cucul_attr_to_rgb12bg(uint32_t);
64extern uint32_t _cucul_attr_to_rgb24fg(uint32_t);
65extern uint32_t _cucul_attr_to_rgb24bg(uint32_t);
66extern void _cucul_attr_to_argb4(uint32_t, uint8_t[8]);
67
68#endif /* __CUCUL_INTERNALS_H__ */
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