source: libpipi/trunk/pipi/pipi_internals.h @ 2769

Last change on this file since 2769 was 2769, checked in by Sam Hocevar, 12 years ago
  • pipi_internals.h: add two vector values for wrap around information.
File size: 2.2 KB
Line 
1/*
2 *  libpipi       Proper image processing implementation library
3 *  Copyright (c) 2004-2008 Sam Hocevar <sam@zoy.org>
4 *                All Rights Reserved
5 *
6 *  $Id$
7 *
8 *  This library is free software. It comes without any warranty, to
9 *  the extent permitted by applicable law. You can redistribute it
10 *  and/or modify it under the terms of the Do What The Fuck You Want
11 *  To Public License, Version 2, as published by Sam Hocevar. See
12 *  http://sam.zoy.org/wtfpl/COPYING for more details.
13 */
14
15/*
16 *  pipi_internals.h: internal types
17 */
18
19#ifndef __PIPI_INTERNALS_H__
20#define __PIPI_INTERNALS_H__
21
22/* pipi_image_t: the image structure. This is probably going to be the most
23 * complex structure in the library, but right now it only has fairly normal
24 * stuff, like width and height and pointers to pixel areas. */
25struct pipi_image
26{
27    int w, h, pitch;
28
29    /* A list of internal image flags.
30     *  wrap: should filters wrap around at edges?
31     *  u8: are the image samples still 8-bit per channel? */
32    int wrap, u8;
33
34    /* Translation vectors for wrap around and tiling. */
35    int wrapx1, wrapy1, wrapx2, wrapy2;
36
37    /* List of all possible pixel formats and the last active one. */
38    pipi_pixels_t p[PIPI_PIXELS_MAX];
39    pipi_format_t last_modified;
40
41    /* Private data used by the codec */
42    pipi_format_t codec_format;
43    void *codec_priv;
44};
45
46struct pipi_context
47{
48    int nimages;
49    pipi_image_t *images[1024]; /* FIXME: do dynamic allocation */
50};
51
52#ifdef USE_IMLIB2
53pipi_image_t *pipi_load_imlib2(const char *name);
54pipi_image_t *pipi_new_imlib2(int width, int height);
55void pipi_free_imlib2(pipi_image_t *img);
56void pipi_save_imlib2(pipi_image_t *img, const char *name);
57#endif
58
59#ifdef USE_OPENCV
60pipi_image_t *pipi_load_opencv(const char *name);
61pipi_image_t *pipi_new_opencv(int width, int height);
62void pipi_free_opencv(pipi_image_t *img);
63void pipi_save_opencv(pipi_image_t *img, const char *name);
64#endif
65
66#ifdef USE_SDL
67pipi_image_t *pipi_load_sdl(const char *name);
68pipi_image_t *pipi_new_sdl(int width, int height);
69void pipi_free_sdl(pipi_image_t *img);
70void pipi_save_sdl(pipi_image_t *img, const char *name);
71#endif
72
73#endif /* __PIPI_INTERNALS_H__ */
74
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