| 1 | /* |
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| 2 | * libpipi Proper image processing implementation library |
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| 3 | * Copyright (c) 2004-2008 Sam Hocevar <sam@zoy.org> |
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| 4 | * All Rights Reserved |
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| 5 | * |
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| 6 | * $Id$ |
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| 7 | * |
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| 8 | * This library is free software. It comes without any warranty, to |
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| 9 | * the extent permitted by applicable law. You can redistribute it |
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| 10 | * and/or modify it under the terms of the Do What The Fuck You Want |
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| 11 | * To Public License, Version 2, as published by Sam Hocevar. See |
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| 12 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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| 13 | */ |
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| 14 | |
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| 15 | /* |
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| 16 | * pipi_internals.h: internal types |
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| 17 | */ |
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| 18 | |
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| 19 | #ifndef __PIPI_INTERNALS_H__ |
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| 20 | #define __PIPI_INTERNALS_H__ |
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| 21 | |
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| 22 | #define SET_FLAG_GRAY 0x00000001 |
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| 23 | #define SET_FLAG_WRAP 0x00000002 |
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| 24 | #define SET_FLAG_8BIT 0x00000004 |
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| 25 | |
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| 26 | struct pipi_histogram |
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| 27 | { |
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| 28 | int r_present, g_present, b_present, y_present; |
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| 29 | unsigned int a[256]; |
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| 30 | unsigned int r[256]; |
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| 31 | unsigned int g[256]; |
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| 32 | unsigned int b[256]; |
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| 33 | unsigned int y[256]; |
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| 34 | }; |
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| 35 | |
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| 36 | |
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| 37 | /* pipi_image_t: the image structure. This is probably going to be the most |
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| 38 | * complex structure in the library, but right now it only has fairly normal |
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| 39 | * stuff, like width and height and pointers to pixel areas. */ |
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| 40 | struct pipi_image |
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| 41 | { |
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| 42 | int w, h, pitch; |
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| 43 | |
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| 44 | /* A list of internal image flags. |
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| 45 | * wrap: should filters wrap around at edges? |
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| 46 | * u8: are the image samples still 8-bit per channel? */ |
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| 47 | int wrap, u8; |
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| 48 | |
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| 49 | /* Translation vectors for wrap around and tiling. */ |
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| 50 | int wrapx1, wrapy1, wrapx2, wrapy2; |
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| 51 | |
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| 52 | /* List of all possible pixel formats and the last active one. */ |
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| 53 | pipi_pixels_t p[PIPI_PIXELS_MAX]; |
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| 54 | pipi_format_t last_modified; |
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| 55 | |
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| 56 | /* Private data used by the codec */ |
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| 57 | pipi_format_t codec_format; |
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| 58 | void *codec_priv; |
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| 59 | }; |
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| 60 | |
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| 61 | struct pipi_context |
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| 62 | { |
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| 63 | int nimages; |
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| 64 | pipi_image_t *images[1024]; /* FIXME: do dynamic allocation */ |
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| 65 | }; |
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| 66 | |
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| 67 | #ifdef USE_IMLIB2 |
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| 68 | pipi_image_t *pipi_load_imlib2(const char *name); |
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| 69 | pipi_image_t *pipi_new_imlib2(int width, int height); |
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| 70 | void pipi_free_imlib2(pipi_image_t *img); |
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| 71 | void pipi_save_imlib2(pipi_image_t *img, const char *name); |
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| 72 | #endif |
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| 73 | |
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| 74 | #ifdef USE_OPENCV |
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| 75 | pipi_image_t *pipi_load_opencv(const char *name); |
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| 76 | pipi_image_t *pipi_new_opencv(int width, int height); |
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| 77 | void pipi_free_opencv(pipi_image_t *img); |
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| 78 | void pipi_save_opencv(pipi_image_t *img, const char *name); |
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| 79 | #endif |
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| 80 | |
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| 81 | #ifdef USE_SDL |
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| 82 | pipi_image_t *pipi_load_sdl(const char *name); |
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| 83 | pipi_image_t *pipi_new_sdl(int width, int height); |
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| 84 | void pipi_free_sdl(pipi_image_t *img); |
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| 85 | void pipi_save_sdl(pipi_image_t *img, const char *name); |
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| 86 | #endif |
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| 87 | |
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| 88 | #endif /* __PIPI_INTERNALS_H__ */ |
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| 89 | |
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