/* * libcucul Unicode canvas library * Copyright (c) 2002-2006 Sam Hocevar * All Rights Reserved * * This library is free software; you can redistribute it and/or * modify it under the terms of the Do What The Fuck You Want To * Public License, Version 2, as published by Sam Hocevar. See * http://sam.zoy.org/wtfpl/COPYING for more details. */ /** \file cucul.h * \version \$Id$ * \author Sam Hocevar * \brief The \e libcucul public header. * * This header contains the public types and functions that applications * using \e libcucul may use. */ #ifndef __CUCUL_H__ #define __CUCUL_H__ #ifdef __cplusplus extern "C" { #endif /** \brief Colour definitions. * * Colours that can be used with caca_set_color(). */ enum cucul_color { CUCUL_COLOR_BLACK = 0, /**< The colour index for black. */ CUCUL_COLOR_BLUE = 1, /**< The colour index for blue. */ CUCUL_COLOR_GREEN = 2, /**< The colour index for green. */ CUCUL_COLOR_CYAN = 3, /**< The colour index for cyan. */ CUCUL_COLOR_RED = 4, /**< The colour index for red. */ CUCUL_COLOR_MAGENTA = 5, /**< The colour index for magenta. */ CUCUL_COLOR_BROWN = 6, /**< The colour index for brown. */ CUCUL_COLOR_LIGHTGRAY = 7, /**< The colour index for light gray. */ CUCUL_COLOR_DARKGRAY = 8, /**< The colour index for dark gray. */ CUCUL_COLOR_LIGHTBLUE = 9, /**< The colour index for blue. */ CUCUL_COLOR_LIGHTGREEN = 10, /**< The colour index for light green. */ CUCUL_COLOR_LIGHTCYAN = 11, /**< The colour index for light cyan. */ CUCUL_COLOR_LIGHTRED = 12, /**< The colour index for light red. */ CUCUL_COLOR_LIGHTMAGENTA = 13, /**< The colour index for light magenta. */ CUCUL_COLOR_YELLOW = 14, /**< The colour index for yellow. */ CUCUL_COLOR_WHITE = 15 /**< The colour index for white. */ }; /** \brief Internal features. * * Internal libcaca features such as the rendering method or the dithering * mode. */ enum cucul_feature { CUCUL_BACKGROUND = 0x10, /**< Properties of background characters. */ CUCUL_BACKGROUND_BLACK = 0x11, /**< Draw only black backgrounds. */ CUCUL_BACKGROUND_SOLID = 0x12, /**< Draw coloured solid backgorunds. */ #define CUCUL_BACKGROUND_MIN 0x11 /**< First background property */ #define CUCUL_BACKGROUND_MAX 0x12 /**< Last background property */ CUCUL_ANTIALIASING = 0x20, /**< Antialiasing features. */ CUCUL_ANTIALIASING_NONE = 0x21, /**< No antialiasing. */ CUCUL_ANTIALIASING_PREFILTER = 0x22, /**< Prefilter antialiasing. */ #define CUCUL_ANTIALIASING_MIN 0x21 /**< First antialiasing feature. */ #define CUCUL_ANTIALIASING_MAX 0x22 /**< Last antialiasing feature. */ CUCUL_DITHERING = 0x30, /**< Dithering methods */ CUCUL_DITHERING_NONE = 0x31, /**< No dithering. */ CUCUL_DITHERING_ORDERED2 = 0x32, /**< Ordered 2x2 Bayer dithering. */ CUCUL_DITHERING_ORDERED4 = 0x33, /**< Ordered 4x4 Bayer dithering. */ CUCUL_DITHERING_ORDERED8 = 0x34, /**< Ordered 8x8 Bayer dithering. */ CUCUL_DITHERING_RANDOM = 0x35, /**< Random dithering. */ CUCUL_DITHERING_FSTEIN = 0x36, /**< Floyd-Steinberg dithering. */ #define CUCUL_DITHERING_MIN 0x31 /**< First dithering feature. */ #define CUCUL_DITHERING_MAX 0x36 /**< Last dithering feature. */ CUCUL_FEATURE_UNKNOWN = 0xffff /**< Unknown feature. */ }; /* * Backwards compatibility macros */ #if !defined(_DOXYGEN_SKIP_ME) #define caca_dithering cucul_feature #define caca_set_dithering caca_set_feature #define caca_get_dithering_name caca_get_feature_name #define CACA_DITHER_NONE CUCUL_DITHERING_NONE #define CACA_DITHER_ORDERED CUCUL_DITHERING_ORDERED8 #define CACA_DITHER_RANDOM CUCUL_DITHERING_RANDOM #endif typedef struct cucul_context cucul_t; /** \defgroup basic Basic functions * * These functions provide the basic \e libcaca routines for library * initialisation, system information retrieval and configuration. * * @{ */ cucul_t * cucul_init(void); void cucul_set_size(cucul_t *, unsigned int, unsigned int); unsigned int cucul_get_width(cucul_t *); unsigned int cucul_get_height(cucul_t *); enum cucul_feature cucul_get_feature(cucul_t *, enum cucul_feature); void cucul_set_feature(cucul_t *, enum cucul_feature); char const *cucul_get_feature_name(enum cucul_feature); void cucul_end(cucul_t *); /* @} */ /** \defgroup char Character printing * * These functions provide low-level character printing routines. * * @{ */ void cucul_set_color(cucul_t *, enum cucul_color, enum cucul_color); enum cucul_color cucul_get_fg_color(cucul_t *); enum cucul_color cucul_get_bg_color(cucul_t *); char const *cucul_get_color_name(enum cucul_color); void cucul_putchar(cucul_t *, int, int, char); void cucul_putstr(cucul_t *, int, int, char const *); void cucul_printf(cucul_t *, int, int, char const *, ...); void cucul_get_screen(cucul_t *, char *); void cucul_clear(cucul_t *); /* @} */ /** \defgroup prim Primitives drawing * * These functions provide routines for primitive drawing, such as lines, * boxes, triangles and ellipses. * * @{ */ void cucul_draw_line(cucul_t *, int, int, int, int, char); void cucul_draw_polyline(cucul_t *, int const x[], int const y[], int, char); void cucul_draw_thin_line(cucul_t *, int, int, int, int); void cucul_draw_thin_polyline(cucul_t *, int const x[], int const y[], int); void cucul_draw_circle(cucul_t *, int, int, int, char); void cucul_draw_ellipse(cucul_t *, int, int, int, int, char); void cucul_draw_thin_ellipse(cucul_t *, int, int, int, int); void cucul_fill_ellipse(cucul_t *, int, int, int, int, char); void cucul_draw_box(cucul_t *, int, int, int, int, char); void cucul_draw_thin_box(cucul_t *, int, int, int, int); void cucul_fill_box(cucul_t *, int, int, int, int, char); void cucul_draw_triangle(cucul_t *, int, int, int, int, int, int, char); void cucul_draw_thin_triangle(cucul_t *, int, int, int, int, int, int); void cucul_fill_triangle(cucul_t *, int, int, int, int, int, int, char); /* @} */ /** \defgroup math Mathematical functions * * These functions provide a few useful math-related routines. * * @{ */ int cucul_rand(int, int); unsigned int cucul_sqrt(unsigned int); float cucul_powf(float x, float y); /* @} */ /** \defgroup sprite Sprite handling * * These functions provide high level routines for sprite loading, animation * and rendering. * * @{ */ struct cucul_sprite; struct cucul_sprite * cucul_load_sprite(cucul_t *, char const *); int cucul_get_sprite_frames(cucul_t *, struct cucul_sprite const *); int cucul_get_sprite_width(cucul_t *, struct cucul_sprite const *, int); int cucul_get_sprite_height(cucul_t *, struct cucul_sprite const *, int); int cucul_get_sprite_dx(cucul_t *, struct cucul_sprite const *, int); int cucul_get_sprite_dy(cucul_t *, struct cucul_sprite const *, int); void cucul_draw_sprite(cucul_t *, int, int, struct cucul_sprite const *, int);void cucul_free_sprite(cucul_t *, struct cucul_sprite *); /* @} */ /** \defgroup bitmap Bitmap handling * * These functions provide high level routines for bitmap allocation and * rendering. * * @{ */ struct cucul_bitmap; struct cucul_bitmap *cucul_create_bitmap(cucul_t *, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); void cucul_set_bitmap_palette(cucul_t *, struct cucul_bitmap *, unsigned int r[], unsigned int g[], unsigned int b[], unsigned int a[]); void cucul_set_bitmap_gamma(cucul_t *, struct cucul_bitmap *, float); void cucul_draw_bitmap(cucul_t *, int, int, int, int, struct cucul_bitmap const *, void *); void cucul_free_bitmap(cucul_t *, struct cucul_bitmap *); /* @} */ /** \defgroup exporter Exporters to various formats * * These functions exports current image to various text formats * Returned buffer will be freed() each you'll call the exporter function. * * @{ */ char* cucul_get_html(cucul_t *, int *size); char* cucul_get_html3(cucul_t *, int *size); char* cucul_get_irc(cucul_t *, int *size); char* cucul_get_ansi(cucul_t *, int trailing, int *size); /* @} */ #ifdef __cplusplus } #endif #endif /* __CUCUL_H__ */