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  1. /*
  2. * libcucul Canvas for ultrafast compositing of Unicode letters
  3. * Copyright (c) 2002-2006 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. /** \file cucul.h
  15. * \version \$Id$
  16. * \author Sam Hocevar <sam@zoy.org>
  17. * \brief The \e libcucul public header.
  18. *
  19. * This header contains the public types and functions that applications
  20. * using \e libcucul may use.
  21. */
  22. #ifndef __CUCUL_H__
  23. #define __CUCUL_H__
  24. #if !defined(_DOXYGEN_SKIP_ME)
  25. # if defined(_WIN32) && defined(__LIBCUCUL__)
  26. # define __extern extern __declspec(dllexport)
  27. # else
  28. # define __extern extern
  29. # endif
  30. #endif
  31. /** libcucul API version */
  32. #define CUCUL_API_VERSION_1
  33. #ifdef __cplusplus
  34. extern "C"
  35. {
  36. #endif
  37. /** \e libcucul canvas */
  38. typedef struct cucul_canvas cucul_canvas_t;
  39. /** dither structure */
  40. typedef struct cucul_dither cucul_dither_t;
  41. /** font structure */
  42. typedef struct cucul_font cucul_font_t;
  43. /** \defgroup cucul_attr libcucul attribute definitions
  44. *
  45. * Colours and styles that can be used with cucul_set_attr().
  46. *
  47. * @{ */
  48. #define CUCUL_BLACK 0x00 /**< The colour index for black. */
  49. #define CUCUL_BLUE 0x01 /**< The colour index for blue. */
  50. #define CUCUL_GREEN 0x02 /**< The colour index for green. */
  51. #define CUCUL_CYAN 0x03 /**< The colour index for cyan. */
  52. #define CUCUL_RED 0x04 /**< The colour index for red. */
  53. #define CUCUL_MAGENTA 0x05 /**< The colour index for magenta. */
  54. #define CUCUL_BROWN 0x06 /**< The colour index for brown. */
  55. #define CUCUL_LIGHTGRAY 0x07 /**< The colour index for light gray. */
  56. #define CUCUL_DARKGRAY 0x08 /**< The colour index for dark gray. */
  57. #define CUCUL_LIGHTBLUE 0x09 /**< The colour index for blue. */
  58. #define CUCUL_LIGHTGREEN 0x0a /**< The colour index for light green. */
  59. #define CUCUL_LIGHTCYAN 0x0b /**< The colour index for light cyan. */
  60. #define CUCUL_LIGHTRED 0x0c /**< The colour index for light red. */
  61. #define CUCUL_LIGHTMAGENTA 0x0d /**< The colour index for light magenta. */
  62. #define CUCUL_YELLOW 0x0e /**< The colour index for yellow. */
  63. #define CUCUL_WHITE 0x0f /**< The colour index for white. */
  64. #define CUCUL_DEFAULT 0x10 /**< The output driver's default colour. */
  65. #define CUCUL_TRANSPARENT 0x20 /**< The transparent colour. */
  66. #define CUCUL_BOLD 0x01 /**< The style mask for bold. */
  67. #define CUCUL_ITALICS 0x02 /**< The style mask for italics. */
  68. #define CUCUL_UNDERLINE 0x04 /**< The style mask for underline. */
  69. #define CUCUL_BLINK 0x08 /**< The style mask for blink. */
  70. /* @} */
  71. /** \defgroup libcucul libcucul basic functions
  72. *
  73. * These functions provide the basic \e libcaca routines for library
  74. * initialisation, system information retrieval and configuration.
  75. *
  76. * @{ */
  77. __extern cucul_canvas_t * cucul_create_canvas(unsigned int, unsigned int);
  78. __extern int cucul_manage_canvas(cucul_canvas_t *, int (*)(void *), void *);
  79. __extern int cucul_unmanage_canvas(cucul_canvas_t *, int (*)(void *), void *);
  80. __extern int cucul_set_canvas_size(cucul_canvas_t *, unsigned int,
  81. unsigned int);
  82. __extern unsigned int cucul_get_canvas_width(cucul_canvas_t const *);
  83. __extern unsigned int cucul_get_canvas_height(cucul_canvas_t const *);
  84. __extern unsigned char const * cucul_get_canvas_chars(cucul_canvas_t const *);
  85. __extern unsigned char const * cucul_get_canvas_attrs(cucul_canvas_t const *);
  86. __extern int cucul_free_canvas(cucul_canvas_t *);
  87. __extern int cucul_rand(int, int);
  88. /* @} */
  89. /** \defgroup cucul_canvas libcucul canvas drawing
  90. *
  91. * These functions provide low-level character printing routines and
  92. * higher level graphics functions.
  93. *
  94. * @{ */
  95. #define CUCUL_MAGIC_FULLWIDTH 0x000ffffe /**< Used to indicate that the previous character was a fullwidth glyph. */
  96. __extern int cucul_gotoxy(cucul_canvas_t *, int, int);
  97. __extern int cucul_get_cursor_x(cucul_canvas_t const *);
  98. __extern int cucul_get_cursor_y(cucul_canvas_t const *);
  99. __extern int cucul_put_char(cucul_canvas_t *, int, int, unsigned long int);
  100. __extern unsigned long int cucul_get_char(cucul_canvas_t const *, int, int);
  101. __extern int cucul_put_str(cucul_canvas_t *, int, int, char const *);
  102. __extern unsigned long int cucul_get_attr(cucul_canvas_t const *, int, int);
  103. __extern int cucul_set_attr(cucul_canvas_t *, unsigned long int);
  104. __extern int cucul_put_attr(cucul_canvas_t *, int, int, unsigned long int);
  105. __extern int cucul_set_color_ansi(cucul_canvas_t *, unsigned char,
  106. unsigned char);
  107. __extern int cucul_set_color_argb(cucul_canvas_t *, unsigned int,
  108. unsigned int);
  109. __extern int cucul_printf(cucul_canvas_t *, int, int, char const *, ...);
  110. __extern int cucul_clear_canvas(cucul_canvas_t *);
  111. __extern int cucul_set_canvas_handle(cucul_canvas_t *, int, int);
  112. __extern int cucul_get_canvas_handle_x(cucul_canvas_t const *);
  113. __extern int cucul_get_canvas_handle_y(cucul_canvas_t const *);
  114. __extern int cucul_blit(cucul_canvas_t *, int, int, cucul_canvas_t const *,
  115. cucul_canvas_t const *);
  116. __extern int cucul_set_canvas_boundaries(cucul_canvas_t *, int, int,
  117. unsigned int, unsigned int);
  118. /* @} */
  119. /** \defgroup cucul_transform libcucul canvas transformation
  120. *
  121. * These functions perform horizontal and vertical canvas flipping.
  122. *
  123. * @{ */
  124. __extern int cucul_invert(cucul_canvas_t *);
  125. __extern int cucul_flip(cucul_canvas_t *);
  126. __extern int cucul_flop(cucul_canvas_t *);
  127. __extern int cucul_rotate_180(cucul_canvas_t *);
  128. __extern int cucul_rotate_left(cucul_canvas_t *);
  129. __extern int cucul_rotate_right(cucul_canvas_t *);
  130. __extern int cucul_stretch_left(cucul_canvas_t *);
  131. __extern int cucul_stretch_right(cucul_canvas_t *);
  132. /* @} */
  133. /** \defgroup cucul_attributes libcucul attribute conversions
  134. *
  135. * These functions perform conversions between attribute values.
  136. *
  137. * @{ */
  138. __extern unsigned char cucul_attr_to_ansi(unsigned long int);
  139. __extern unsigned char cucul_attr_to_ansi_fg(unsigned long int);
  140. __extern unsigned char cucul_attr_to_ansi_bg(unsigned long int);
  141. __extern unsigned int cucul_attr_to_rgb12_fg(unsigned long int);
  142. __extern unsigned int cucul_attr_to_rgb12_bg(unsigned long int);
  143. __extern void cucul_attr_to_argb64(unsigned long int, unsigned char[8]);
  144. /* @} */
  145. /** \defgroup cucul_charset libcucul character set conversions
  146. *
  147. * These functions perform conversions between usual character sets.
  148. *
  149. * @{ */
  150. __extern unsigned long int cucul_utf8_to_utf32(char const *, unsigned int *);
  151. __extern unsigned int cucul_utf32_to_utf8(char *, unsigned long int);
  152. __extern unsigned char cucul_utf32_to_cp437(unsigned long int);
  153. __extern unsigned long int cucul_cp437_to_utf32(unsigned char);
  154. __extern char cucul_utf32_to_ascii(unsigned long int);
  155. __extern int cucul_utf32_is_fullwidth(unsigned long int);
  156. /* @} */
  157. /** \defgroup cucul_primitives libcucul primitives drawing
  158. *
  159. * These functions provide routines for primitive drawing, such as lines,
  160. * boxes, triangles and ellipses.
  161. *
  162. * @{ */
  163. __extern int cucul_draw_line(cucul_canvas_t *, int, int, int, int,
  164. unsigned long int);
  165. __extern int cucul_draw_polyline(cucul_canvas_t *, int const x[],
  166. int const y[], int, unsigned long int);
  167. __extern int cucul_draw_thin_line(cucul_canvas_t *, int, int, int, int);
  168. __extern int cucul_draw_thin_polyline(cucul_canvas_t *, int const x[],
  169. int const y[], int);
  170. __extern int cucul_draw_circle(cucul_canvas_t *, int, int, int,
  171. unsigned long int);
  172. __extern int cucul_draw_ellipse(cucul_canvas_t *, int, int, int, int,
  173. unsigned long int);
  174. __extern int cucul_draw_thin_ellipse(cucul_canvas_t *, int, int, int, int);
  175. __extern int cucul_fill_ellipse(cucul_canvas_t *, int, int, int, int,
  176. unsigned long int);
  177. __extern int cucul_draw_box(cucul_canvas_t *, int, int, int, int,
  178. unsigned long int);
  179. __extern int cucul_draw_thin_box(cucul_canvas_t *, int, int, int, int);
  180. __extern int cucul_draw_cp437_box(cucul_canvas_t *, int, int, int, int);
  181. __extern int cucul_fill_box(cucul_canvas_t *, int, int, int, int,
  182. unsigned long int);
  183. __extern int cucul_draw_triangle(cucul_canvas_t *, int, int, int, int, int,
  184. int, unsigned long int);
  185. __extern int cucul_draw_thin_triangle(cucul_canvas_t *, int, int, int, int,
  186. int, int);
  187. __extern int cucul_fill_triangle(cucul_canvas_t *, int, int, int, int, int,
  188. int, unsigned long int);
  189. /* @} */
  190. /** \defgroup cucul_frame libcucul canvas frame handling
  191. *
  192. * These functions provide high level routines for canvas frame insertion,
  193. * removal, copying etc.
  194. *
  195. * @{ */
  196. __extern unsigned int cucul_get_frame_count(cucul_canvas_t const *);
  197. __extern int cucul_set_frame(cucul_canvas_t *, unsigned int);
  198. __extern char const *cucul_get_frame_name(cucul_canvas_t const *);
  199. __extern int cucul_set_frame_name(cucul_canvas_t *, char const *);
  200. __extern int cucul_create_frame(cucul_canvas_t *, unsigned int);
  201. __extern int cucul_free_frame(cucul_canvas_t *, unsigned int);
  202. /* @} */
  203. /** \defgroup cucul_dither libcucul bitmap dithering
  204. *
  205. * These functions provide high level routines for dither allocation and
  206. * rendering.
  207. *
  208. * @{ */
  209. __extern cucul_dither_t *cucul_create_dither(unsigned int, unsigned int,
  210. unsigned int, unsigned int,
  211. unsigned long int,
  212. unsigned long int,
  213. unsigned long int,
  214. unsigned long int);
  215. __extern int cucul_set_dither_palette(cucul_dither_t *,
  216. unsigned int r[], unsigned int g[],
  217. unsigned int b[], unsigned int a[]);
  218. __extern int cucul_set_dither_brightness(cucul_dither_t *, float);
  219. __extern float cucul_get_dither_brightness(cucul_dither_t const *);
  220. __extern int cucul_set_dither_gamma(cucul_dither_t *, float);
  221. __extern float cucul_get_dither_gamma(cucul_dither_t const *);
  222. __extern int cucul_set_dither_contrast(cucul_dither_t *, float);
  223. __extern float cucul_get_dither_contrast(cucul_dither_t const *);
  224. __extern int cucul_set_dither_antialias(cucul_dither_t *, char const *);
  225. __extern char const * const * cucul_get_dither_antialias_list(cucul_dither_t
  226. const *);
  227. __extern char const * cucul_get_dither_antialias(cucul_dither_t const *);
  228. __extern int cucul_set_dither_color(cucul_dither_t *, char const *);
  229. __extern char const * const * cucul_get_dither_color_list(cucul_dither_t
  230. const *);
  231. __extern char const * cucul_get_dither_color(cucul_dither_t const *);
  232. __extern int cucul_set_dither_charset(cucul_dither_t *, char const *);
  233. __extern char const * const * cucul_get_dither_charset_list(cucul_dither_t
  234. const *);
  235. __extern char const * cucul_get_dither_charset(cucul_dither_t const *);
  236. __extern int cucul_set_dither_algorithm(cucul_dither_t *, char const *);
  237. __extern char const * const * cucul_get_dither_algorithm_list(cucul_dither_t
  238. const *);
  239. __extern char const * cucul_get_dither_algorithm(cucul_dither_t const *);
  240. __extern int cucul_dither_bitmap(cucul_canvas_t *, int, int, int, int,
  241. cucul_dither_t const *, void *);
  242. __extern int cucul_free_dither(cucul_dither_t *);
  243. /* @} */
  244. /** \defgroup cucul_font libcucul font handling
  245. *
  246. * These functions provide font handling routines and high quality
  247. * canvas to bitmap rendering.
  248. *
  249. * @{ */
  250. __extern cucul_font_t *cucul_load_font(void const *, unsigned int);
  251. __extern char const * const * cucul_get_font_list(void);
  252. __extern unsigned int cucul_get_font_width(cucul_font_t const *);
  253. __extern unsigned int cucul_get_font_height(cucul_font_t const *);
  254. __extern unsigned long int const *cucul_get_font_blocks(cucul_font_t const *);
  255. __extern int cucul_render_canvas(cucul_canvas_t const *, cucul_font_t const *,
  256. void *, unsigned int, unsigned int,
  257. unsigned int);
  258. __extern int cucul_free_font(cucul_font_t *);
  259. /* @} */
  260. /** \defgroup cucul_importexport libcucul importers/exporters from/to various
  261. * formats
  262. *
  263. * These functions import various file formats into a new canvas, or export
  264. * the current canvas to various text formats.
  265. *
  266. * @{ */
  267. __extern long int cucul_import_memory(cucul_canvas_t *, void const *,
  268. unsigned long int, char const *);
  269. __extern long int cucul_import_file(cucul_canvas_t *, char const *,
  270. char const *);
  271. __extern char const * const * cucul_get_import_list(void);
  272. __extern void *cucul_export_memory(cucul_canvas_t const *, char const *,
  273. unsigned long int *);
  274. __extern char const * const * cucul_get_export_list(void);
  275. /* @} */
  276. #if !defined(_DOXYGEN_SKIP_ME)
  277. /* Legacy stuff from beta versions, will probably disappear in 1.0 */
  278. typedef struct cucul_buffer cucul_buffer_t;
  279. # if defined __GNUC__ && __GNUC__ >= 3
  280. # define CUCUL_DEPRECATED __attribute__ ((__deprecated__))
  281. # else
  282. # define CUCUL_DEPRECATED
  283. # endif
  284. __extern int cucul_putchar(cucul_canvas_t *, int, int,
  285. unsigned long int) CUCUL_DEPRECATED;
  286. __extern unsigned long int cucul_getchar(cucul_canvas_t *,
  287. int, int) CUCUL_DEPRECATED;
  288. __extern int cucul_putstr(cucul_canvas_t *, int, int,
  289. char const *) CUCUL_DEPRECATED;
  290. __extern int cucul_set_color(cucul_canvas_t *, unsigned char,
  291. unsigned char) CUCUL_DEPRECATED;
  292. __extern int cucul_set_truecolor(cucul_canvas_t *, unsigned int,
  293. unsigned int) CUCUL_DEPRECATED;
  294. __extern unsigned int cucul_get_canvas_frame_count(cucul_canvas_t *)
  295. CUCUL_DEPRECATED;
  296. __extern int cucul_set_canvas_frame(cucul_canvas_t *,
  297. unsigned int) CUCUL_DEPRECATED;
  298. __extern int cucul_create_canvas_frame(cucul_canvas_t *,
  299. unsigned int) CUCUL_DEPRECATED;
  300. __extern int cucul_free_canvas_frame(cucul_canvas_t *,
  301. unsigned int) CUCUL_DEPRECATED;
  302. __extern cucul_buffer_t *cucul_load_memory(void *,
  303. unsigned long int) CUCUL_DEPRECATED;
  304. __extern cucul_buffer_t *cucul_load_file(char const *) CUCUL_DEPRECATED;
  305. __extern unsigned long int cucul_get_buffer_size(cucul_buffer_t *)
  306. CUCUL_DEPRECATED;
  307. __extern void * cucul_get_buffer_data(cucul_buffer_t *) CUCUL_DEPRECATED;
  308. __extern int cucul_free_buffer(cucul_buffer_t *) CUCUL_DEPRECATED;
  309. __extern cucul_buffer_t * cucul_export_canvas(cucul_canvas_t *,
  310. char const *) CUCUL_DEPRECATED;
  311. __extern cucul_canvas_t * cucul_import_canvas(cucul_buffer_t *,
  312. char const *) CUCUL_DEPRECATED;
  313. __extern int cucul_rotate(cucul_canvas_t *) CUCUL_DEPRECATED;
  314. __extern int cucul_set_dither_invert(cucul_dither_t *, int) CUCUL_DEPRECATED;
  315. __extern int cucul_set_dither_mode(cucul_dither_t *,
  316. char const *) CUCUL_DEPRECATED;
  317. __extern char const * const * cucul_get_dither_mode_list(cucul_dither_t
  318. const *)
  319. CUCUL_DEPRECATED;
  320. # define CUCUL_COLOR_BLACK CUCUL_BLACK
  321. # define CUCUL_COLOR_BLUE CUCUL_BLUE
  322. # define CUCUL_COLOR_GREEN CUCUL_GREEN
  323. # define CUCUL_COLOR_CYAN CUCUL_CYAN
  324. # define CUCUL_COLOR_RED CUCUL_RED
  325. # define CUCUL_COLOR_MAGENTA CUCUL_MAGENTA
  326. # define CUCUL_COLOR_BROWN CUCUL_BROWN
  327. # define CUCUL_COLOR_LIGHTGRAY CUCUL_LIGHTGRAY
  328. # define CUCUL_COLOR_DARKGRAY CUCUL_DARKGRAY
  329. # define CUCUL_COLOR_LIGHTBLUE CUCUL_LIGHTBLUE
  330. # define CUCUL_COLOR_LIGHTGREEN CUCUL_LIGHTGREEN
  331. # define CUCUL_COLOR_LIGHTCYAN CUCUL_LIGHTCYAN
  332. # define CUCUL_COLOR_LIGHTRED CUCUL_LIGHTRED
  333. # define CUCUL_COLOR_LIGHTMAGENTA CUCUL_LIGHTMAGENTA
  334. # define CUCUL_COLOR_YELLOW CUCUL_YELLOW
  335. # define CUCUL_COLOR_WHITE CUCUL_YELLOW
  336. # define CUCUL_COLOR_DEFAULT CUCUL_DEFAULT
  337. # define CUCUL_COLOR_TRANSPARENT CUCUL_TRANSPARENT
  338. #endif
  339. #ifdef __cplusplus
  340. }
  341. #endif
  342. #if !defined(_DOXYGEN_SKIP_ME)
  343. # undef __extern
  344. #endif
  345. #endif /* __CUCUL_H__ */