/* * libcucul Canvas for ultrafast compositing of Unicode letters * Copyright (c) 2002-2006 Sam Hocevar * All Rights Reserved * * $Id$ * * 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__ /** libcucul API version */ #define CUCUL_API_VERSION_1 #ifdef __cplusplus extern "C" { #endif /** \e libcucul canvas */ typedef struct cucul_canvas cucul_canvas_t; /** dither structure */ typedef struct cucul_dither cucul_dither_t; /** data buffer structure */ typedef struct cucul_buffer cucul_buffer_t; /** font structure */ typedef struct cucul_font cucul_font_t; /** \defgroup attributes libcucul attribute definitions * * Colours and styles that can be used with cucul_set_attr(). * * @{ */ #define CUCUL_BLACK 0x00 /**< The colour index for black. */ #define CUCUL_BLUE 0x01 /**< The colour index for blue. */ #define CUCUL_GREEN 0x02 /**< The colour index for green. */ #define CUCUL_CYAN 0x03 /**< The colour index for cyan. */ #define CUCUL_RED 0x04 /**< The colour index for red. */ #define CUCUL_MAGENTA 0x05 /**< The colour index for magenta. */ #define CUCUL_BROWN 0x06 /**< The colour index for brown. */ #define CUCUL_LIGHTGRAY 0x07 /**< The colour index for light gray. */ #define CUCUL_DARKGRAY 0x08 /**< The colour index for dark gray. */ #define CUCUL_LIGHTBLUE 0x09 /**< The colour index for blue. */ #define CUCUL_LIGHTGREEN 0x0a /**< The colour index for light green. */ #define CUCUL_LIGHTCYAN 0x0b /**< The colour index for light cyan. */ #define CUCUL_LIGHTRED 0x0c /**< The colour index for light red. */ #define CUCUL_LIGHTMAGENTA 0x0d /**< The colour index for light magenta. */ #define CUCUL_YELLOW 0x0e /**< The colour index for yellow. */ #define CUCUL_WHITE 0x0f /**< The colour index for white. */ #define CUCUL_DEFAULT 0x10 /**< The output driver's default colour. */ #define CUCUL_TRANSPARENT 0x20 /**< The transparent colour. */ #define CUCUL_BOLD 0x01 /**< The style mask for bold. */ #define CUCUL_ITALICS 0x02 /**< The style mask for italics. */ #define CUCUL_UNDERLINE 0x04 /**< The style mask for underline. */ #define CUCUL_BLINK 0x08 /**< The style mask for blink. */ /* @} */ /** \defgroup cucul libcucul basic functions * * These functions provide the basic \e libcaca routines for library * initialisation, system information retrieval and configuration. * * @{ */ cucul_canvas_t * cucul_create_canvas(unsigned int, unsigned int); int cucul_set_canvas_size(cucul_canvas_t *, unsigned int, unsigned int); unsigned int cucul_get_canvas_width(cucul_canvas_t *); unsigned int cucul_get_canvas_height(cucul_canvas_t *); int cucul_free_canvas(cucul_canvas_t *); int cucul_rand(int, int); /* @} */ /** \defgroup buffer libcucul buffer handling * * These functions provide methods to handle libcucul buffers. * * @{ */ cucul_buffer_t *cucul_load_memory(void *, unsigned long int); cucul_buffer_t *cucul_load_file(char const *); unsigned long int cucul_get_buffer_size(cucul_buffer_t *); void * cucul_get_buffer_data(cucul_buffer_t *); int cucul_free_buffer(cucul_buffer_t *); /* @} */ /** \defgroup canvas libcucul canvas drawing * * These functions provide low-level character printing routines and * higher level graphics functions. * * @{ */ #define CUCUL_MAGIC_FULLWIDTH 0x000ffffe /**< Used to indicate that the previous character was a fullwidth glyph. */ unsigned long int cucul_get_attr(cucul_canvas_t *, int, int); int cucul_set_attr(cucul_canvas_t *, unsigned long int); int cucul_set_color_ansi(cucul_canvas_t *, unsigned char, unsigned char); int cucul_set_color_argb(cucul_canvas_t *, unsigned int, unsigned int); int cucul_putchar(cucul_canvas_t *, int, int, unsigned long int); unsigned long int cucul_getchar(cucul_canvas_t *, int, int); int cucul_putstr(cucul_canvas_t *, int, int, char const *); int cucul_printf(cucul_canvas_t *, int, int, char const *, ...); int cucul_clear_canvas(cucul_canvas_t *); int cucul_blit(cucul_canvas_t *, int, int, cucul_canvas_t const *, cucul_canvas_t const *); int cucul_set_canvas_boundaries(cucul_canvas_t *, int, int, unsigned int, unsigned int); /* @} */ /** \defgroup transform libcucul canvas transformation * * These functions perform horizontal and vertical canvas flipping. * * @{ */ int cucul_invert(cucul_canvas_t *); int cucul_flip(cucul_canvas_t *); int cucul_flop(cucul_canvas_t *); int cucul_rotate(cucul_canvas_t *); /* @} */ /** \defgroup charset libcucul character set conversions * * These functions perform conversions between usual character sets. * * @{ */ extern unsigned long int cucul_utf8_to_utf32(char const *, unsigned int *); extern unsigned int cucul_utf32_to_utf8(char *, unsigned long int); extern unsigned char cucul_utf32_to_cp437(unsigned long int); extern unsigned long int cucul_cp437_to_utf32(unsigned char); extern int cucul_utf32_is_fullwidth(unsigned long int); /* @} */ /** \defgroup prim libcucul primitives drawing * * These functions provide routines for primitive drawing, such as lines, * boxes, triangles and ellipses. * * @{ */ int cucul_draw_line(cucul_canvas_t *, int, int, int, int, char const *); int cucul_draw_polyline(cucul_canvas_t *, int const x[], int const y[], int, char const *); int cucul_draw_thin_line(cucul_canvas_t *, int, int, int, int); int cucul_draw_thin_polyline(cucul_canvas_t *, int const x[], int const y[], int); int cucul_draw_circle(cucul_canvas_t *, int, int, int, char const *); int cucul_draw_ellipse(cucul_canvas_t *, int, int, int, int, char const *); int cucul_draw_thin_ellipse(cucul_canvas_t *, int, int, int, int); int cucul_fill_ellipse(cucul_canvas_t *, int, int, int, int, char const *); int cucul_draw_box(cucul_canvas_t *, int, int, int, int, char const *); int cucul_draw_thin_box(cucul_canvas_t *, int, int, int, int); int cucul_fill_box(cucul_canvas_t *, int, int, int, int, char const *); int cucul_draw_triangle(cucul_canvas_t *, int, int, int, int, int, int, char const *); int cucul_draw_thin_triangle(cucul_canvas_t *, int, int, int, int, int, int); int cucul_fill_triangle(cucul_canvas_t *, int, int, int, int, int, int, char const *); /* @} */ /** \defgroup frame libcucul canvas frame handling * * These functions provide high level routines for canvas frame insertion, * removal, copying etc. * * @{ */ unsigned int cucul_get_canvas_frame_count(cucul_canvas_t *); int cucul_set_canvas_frame(cucul_canvas_t *, unsigned int); int cucul_create_canvas_frame(cucul_canvas_t *, unsigned int); int cucul_free_canvas_frame(cucul_canvas_t *, unsigned int); /* @} */ /** \defgroup dither libcucul bitmap dithering * * These functions provide high level routines for dither allocation and * rendering. * * @{ */ cucul_dither_t *cucul_create_dither(unsigned int, unsigned int, unsigned int, unsigned int, unsigned long int, unsigned long int, unsigned long int, unsigned long int); int cucul_set_dither_palette(cucul_dither_t *, unsigned int r[], unsigned int g[], unsigned int b[], unsigned int a[]); int cucul_set_dither_brightness(cucul_dither_t *, float); int cucul_set_dither_gamma(cucul_dither_t *, float); int cucul_set_dither_contrast(cucul_dither_t *, float); int cucul_set_dither_invert(cucul_dither_t *, int); int cucul_set_dither_antialias(cucul_dither_t *, char const *); char const * const * cucul_get_dither_antialias_list(cucul_dither_t const *); int cucul_set_dither_color(cucul_dither_t *, char const *); char const * const * cucul_get_dither_color_list(cucul_dither_t const *); int cucul_set_dither_charset(cucul_dither_t *, char const *); char const * const * cucul_get_dither_charset_list(cucul_dither_t const *); int cucul_set_dither_mode(cucul_dither_t *, char const *); char const * const * cucul_get_dither_mode_list(cucul_dither_t const *); int cucul_dither_bitmap(cucul_canvas_t *, int, int, int, int, cucul_dither_t const *, void *); int cucul_free_dither(cucul_dither_t *); /* @} */ /** \defgroup font libcucul font handling * * These functions provide font handling routines and high quality * canvas to bitmap rendering. * * @{ */ cucul_font_t *cucul_load_font(void const *, unsigned int); char const * const * cucul_get_font_list(void); unsigned int cucul_get_font_width(cucul_font_t *); unsigned int cucul_get_font_height(cucul_font_t *); unsigned long int const *cucul_get_font_blocks(cucul_font_t *); int cucul_render_canvas(cucul_canvas_t *, cucul_font_t *, void *, unsigned int, unsigned int, unsigned int); int cucul_free_font(cucul_font_t *); /* @} */ /** \defgroup importexport libcucul importers/exporters from/to various formats * * These functions import various file formats into a new canvas, or export * the current canvas to various text formats. * * @{ */ cucul_buffer_t * cucul_export_canvas(cucul_canvas_t *, char const *); char const * const * cucul_get_export_list(void); cucul_canvas_t * cucul_import_canvas(cucul_buffer_t *, char const *); char const * const * cucul_get_import_list(void); /* @} */ #if !defined(_DOXYGEN_SKIP_ME) /* Legacy stuff from beta versions, will probably disappear in 1.0 */ # ifdef __GNUC__ # define CUCUL_DEPRECATED __attribute__ ((deprecated)) # else # define CUCUL_DEPRECATED # endif int cucul_set_color(cucul_canvas_t *, unsigned char, unsigned char) CUCUL_DEPRECATED; int cucul_set_truecolor(cucul_canvas_t *, unsigned int, unsigned int) CUCUL_DEPRECATED; # define CUCUL_COLOR_BLACK CUCUL_BLACK # define CUCUL_COLOR_BLUE CUCUL_BLUE # define CUCUL_COLOR_GREEN CUCUL_GREEN # define CUCUL_COLOR_CYAN CUCUL_CYAN # define CUCUL_COLOR_RED CUCUL_RED # define CUCUL_COLOR_MAGENTA CUCUL_MAGENTA # define CUCUL_COLOR_BROWN CUCUL_BROWN # define CUCUL_COLOR_LIGHTGRAY CUCUL_LIGHTGRAY # define CUCUL_COLOR_DARKGRAY CUCUL_DARKGRAY # define CUCUL_COLOR_LIGHTBLUE CUCUL_LIGHTBLUE # define CUCUL_COLOR_LIGHTGREEN CUCUL_LIGHTGREEN # define CUCUL_COLOR_LIGHTCYAN CUCUL_LIGHTCYAN # define CUCUL_COLOR_LIGHTRED CUCUL_LIGHTRED # define CUCUL_COLOR_LIGHTMAGENTA CUCUL_LIGHTMAGENTA # define CUCUL_COLOR_YELLOW CUCUL_YELLOW # define CUCUL_COLOR_WHITE CUCUL_YELLOW # define CUCUL_COLOR_DEFAULT CUCUL_DEFAULT # define CUCUL_COLOR_TRANSPARENT CUCUL_TRANSPARENT #endif #ifdef __cplusplus } #endif #endif /* __CUCUL_H__ */