| 1 | /* |
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| 2 | * libcucul Canvas for ultrafast compositing of Unicode letters |
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| 3 | * Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org> |
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| 4 | * All Rights Reserved |
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| 5 | * |
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| 6 | * $Id: cucul_internals.h 804 2006-04-18 08:24:41Z sam $ |
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| 7 | * |
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| 8 | * This library is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the Do What The Fuck You Want To |
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| 10 | * Public License, Version 2, as published by Sam Hocevar. See |
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| 11 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef __CUCUL_INTERNALS_H__ |
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| 15 | #define __CUCUL_INTERNALS_H__ |
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| 16 | |
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| 17 | #if defined(HAVE_INTTYPES_H) && !defined(__KERNEL__) |
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| 18 | # include <inttypes.h> |
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| 19 | #elif !defined(CUSTOM_INTTYPES) && !defined(_DOXYGEN_SKIP_ME) |
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| 20 | # define CUSTOM_INTTYPES |
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| 21 | typedef unsigned char uint8_t; |
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| 22 | typedef unsigned short uint16_t; |
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| 23 | typedef unsigned long int uint32_t; |
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| 24 | typedef long int intptr_t; |
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| 25 | typedef long unsigned int uintptr_t; |
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| 26 | #endif |
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| 27 | |
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| 28 | struct cucul |
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| 29 | { |
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| 30 | /* Context size */ |
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| 31 | unsigned int width, height; |
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| 32 | |
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| 33 | uint32_t *chars; |
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| 34 | uint32_t *attr; |
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| 35 | char *empty_line, *scratch_line; |
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| 36 | |
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| 37 | uint16_t fgcolor; |
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| 38 | uint16_t bgcolor; |
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| 39 | |
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| 40 | unsigned int refcount; |
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| 41 | }; |
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| 42 | |
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| 43 | struct cucul_buffer |
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| 44 | { |
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| 45 | unsigned long int size; |
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| 46 | char *data; |
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| 47 | }; |
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| 48 | |
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| 49 | /* Bitmap functions */ |
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| 50 | extern int _cucul_init_dither(void); |
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| 51 | extern int _cucul_end_dither(void); |
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| 52 | |
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| 53 | /* Canvas functions */ |
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| 54 | extern void _cucul_set_size(cucul_t *, unsigned int, unsigned int); |
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| 55 | extern void _cucul_putchar32(cucul_t *qq, int x, int y, uint32_t c); |
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| 56 | |
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| 57 | /* Charset functions */ |
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| 58 | extern unsigned int _cucul_strlen_utf8(char const *); |
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| 59 | extern char const *_cucul_skip_utf8(char const *, unsigned int); |
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| 60 | extern uint32_t _cucul_utf8_to_utf32(char const *); |
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| 61 | extern uint8_t _cucul_utf32_to_cp437(uint32_t); |
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| 62 | extern uint32_t _cucul_cp437_to_utf32(uint8_t); |
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| 63 | |
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| 64 | /* Colour functions */ |
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| 65 | uint8_t _cucul_argb32_to_ansi8(uint32_t); |
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| 66 | uint8_t _cucul_argb32_to_ansi4fg(uint32_t); |
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| 67 | uint8_t _cucul_argb32_to_ansi4bg(uint32_t); |
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| 68 | uint16_t _cucul_argb32_to_rgb12fg(uint32_t); |
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| 69 | uint16_t _cucul_argb32_to_rgb12bg(uint32_t); |
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| 70 | uint32_t _cucul_argb32_to_rgb24fg(uint32_t); |
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| 71 | uint32_t _cucul_argb32_to_rgb24bg(uint32_t); |
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| 72 | void _cucul_argb32_to_argb4(uint32_t, uint8_t[8]); |
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| 73 | |
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| 74 | #endif /* __CUCUL_INTERNALS_H__ */ |
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