source: trunk/contrib/libcaca-0.99.beta18/include/caca.h @ 1465

Last change on this file since 1465 was 1465, checked in by sam, 11 years ago

build: add a new libcaca Windows build and add the proper MSBuild rules
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1/*
2 *  libcaca       Colour ASCII-Art library
3 *  Copyright (c) 2002-2012 Sam Hocevar <sam@hocevar.net>
4 *                All Rights Reserved
5 *
6 *  This library is free software. It comes without any warranty, to
7 *  the extent permitted by applicable law. You can redistribute it
8 *  and/or modify it under the terms of the Do What The Fuck You Want
9 *  To Public License, Version 2, as published by Sam Hocevar. See
10 *  http://sam.zoy.org/wtfpl/COPYING for more details.
11 */
12
13/** \file caca.h
14 *  \author Sam Hocevar <sam@hocevar.net>
15 *  \brief The \e libcaca public header.
16 *
17 *  This header contains the public types and functions that applications
18 *  using \e libcaca may use.
19 */
20
21#ifndef __CACA_H__
22#define __CACA_H__
23
24#include <caca_types.h>
25
26#if !defined(__KERNEL__)
27#   include <stdarg.h>
28#endif
29
30#undef __extern
31#if defined _DOXYGEN_SKIP_ME
32#elif defined _WIN32 && defined __LIBCACA__ && defined DLL_EXPORT
33#   define __extern extern __declspec(dllexport)
34#elif defined _WIN32 && !defined __LIBCACA__ && !defined CACA_STATIC
35#   define __extern extern __declspec(dllimport)
36#else
37#   define __extern extern
38#endif
39
40/** libcaca API version */
41#define CACA_API_VERSION_1
42
43#ifdef __cplusplus
44extern "C"
45{
46#endif
47
48/** \e libcaca canvas */
49typedef struct caca_canvas caca_canvas_t;
50/** dither structure */
51typedef struct caca_dither caca_dither_t;
52/** character font structure */
53typedef struct caca_charfont caca_charfont_t;
54/** bitmap font structure */
55typedef struct caca_font caca_font_t;
56/** file handle structure */
57typedef struct caca_file caca_file_t;
58/** \e libcaca display context */
59typedef struct caca_display caca_display_t;
60/** \e libcaca event structure */
61typedef struct caca_event caca_event_t;
62
63/** \defgroup caca_attr libcaca attribute definitions
64 *
65 *  Colours and styles that can be used with caca_set_attr().
66 *
67 *  @{ */
68/** \e libcaca colour keyword */
69enum caca_color
70{
71    CACA_BLACK =        0x00, /**< The colour index for black. */
72    CACA_BLUE =         0x01, /**< The colour index for blue. */
73    CACA_GREEN =        0x02, /**< The colour index for green. */
74    CACA_CYAN =         0x03, /**< The colour index for cyan. */
75    CACA_RED =          0x04, /**< The colour index for red. */
76    CACA_MAGENTA =      0x05, /**< The colour index for magenta. */
77    CACA_BROWN =        0x06, /**< The colour index for brown. */
78    CACA_LIGHTGRAY =    0x07, /**< The colour index for light gray. */
79    CACA_DARKGRAY =     0x08, /**< The colour index for dark gray. */
80    CACA_LIGHTBLUE =    0x09, /**< The colour index for blue. */
81    CACA_LIGHTGREEN =   0x0a, /**< The colour index for light green. */
82    CACA_LIGHTCYAN =    0x0b, /**< The colour index for light cyan. */
83    CACA_LIGHTRED =     0x0c, /**< The colour index for light red. */
84    CACA_LIGHTMAGENTA = 0x0d, /**< The colour index for light magenta. */
85    CACA_YELLOW =       0x0e, /**< The colour index for yellow. */
86    CACA_WHITE =        0x0f, /**< The colour index for white. */
87    CACA_DEFAULT =      0x10, /**< The output driver's default colour. */
88    CACA_TRANSPARENT =  0x20, /**< The transparent colour. */
89};
90
91/** \e libcaca style keyword */
92enum caca_style
93{
94    CACA_BOLD =      0x01, /**< The style mask for bold. */
95    CACA_ITALICS =   0x02, /**< The style mask for italics. */
96    CACA_UNDERLINE = 0x04, /**< The style mask for underline. */
97    CACA_BLINK =     0x08, /**< The style mask for blink. */
98};
99/*  @} */
100
101/** \brief User event type enumeration.
102 *
103 *  This enum serves two purposes:
104 *  - Build listening masks for caca_get_event().
105 *  - Define the type of a \e caca_event_t.
106 */
107enum caca_event_type
108{
109    CACA_EVENT_NONE =          0x0000, /**< No event. */
110
111    CACA_EVENT_KEY_PRESS =     0x0001, /**< A key was pressed. */
112    CACA_EVENT_KEY_RELEASE =   0x0002, /**< A key was released. */
113    CACA_EVENT_MOUSE_PRESS =   0x0004, /**< A mouse button was pressed. */
114    CACA_EVENT_MOUSE_RELEASE = 0x0008, /**< A mouse button was released. */
115    CACA_EVENT_MOUSE_MOTION =  0x0010, /**< The mouse was moved. */
116    CACA_EVENT_RESIZE =        0x0020, /**< The window was resized. */
117    CACA_EVENT_QUIT =          0x0040, /**< The user requested to quit. */
118
119    CACA_EVENT_ANY =           0xffff  /**< Bitmask for any event. */
120};
121
122/** \brief Handling of user events.
123 *
124 *  This structure is filled by caca_get_event() when an event is received.
125 *  It is an opaque structure that should only be accessed through
126 *  caca_event_get_type() and similar functions. The struct members may no
127 *  longer be directly accessible in future versions.
128 */
129struct caca_event
130{
131    enum caca_event_type type; /**< The event type. */
132    union
133    {
134        struct { int x, y, button; } mouse;
135        struct { int w, h; } resize;
136        struct { int ch; uint32_t utf32; char utf8[8]; } key;
137    } data; /**< The event information data */
138#if !defined(_DOXYGEN_SKIP_ME)
139    uint8_t padding[16];
140#endif
141};
142
143/** \brief Option parsing.
144 *
145 * This structure contains commandline parsing information for systems
146 * where getopt_long() is unavailable.
147 */
148struct caca_option
149{
150    char const *name;
151    int has_arg;
152    int *flag;
153    int val;
154};
155
156/** \brief Special key values.
157 *
158 *  Special key values returned by caca_get_event() for which there is no
159 *  printable ASCII equivalent.
160 */
161enum caca_key
162{
163    CACA_KEY_UNKNOWN = 0x00, /**< Unknown key. */
164
165    /* The following keys have ASCII equivalents */
166    CACA_KEY_CTRL_A =    0x01, /**< The Ctrl-A key. */
167    CACA_KEY_CTRL_B =    0x02, /**< The Ctrl-B key. */
168    CACA_KEY_CTRL_C =    0x03, /**< The Ctrl-C key. */
169    CACA_KEY_CTRL_D =    0x04, /**< The Ctrl-D key. */
170    CACA_KEY_CTRL_E =    0x05, /**< The Ctrl-E key. */
171    CACA_KEY_CTRL_F =    0x06, /**< The Ctrl-F key. */
172    CACA_KEY_CTRL_G =    0x07, /**< The Ctrl-G key. */
173    CACA_KEY_BACKSPACE = 0x08, /**< The backspace key. */
174    CACA_KEY_TAB =       0x09, /**< The tabulation key. */
175    CACA_KEY_CTRL_J =    0x0a, /**< The Ctrl-J key. */
176    CACA_KEY_CTRL_K =    0x0b, /**< The Ctrl-K key. */
177    CACA_KEY_CTRL_L =    0x0c, /**< The Ctrl-L key. */
178    CACA_KEY_RETURN =    0x0d, /**< The return key. */
179    CACA_KEY_CTRL_N =    0x0e, /**< The Ctrl-N key. */
180    CACA_KEY_CTRL_O =    0x0f, /**< The Ctrl-O key. */
181    CACA_KEY_CTRL_P =    0x10, /**< The Ctrl-P key. */
182    CACA_KEY_CTRL_Q =    0x11, /**< The Ctrl-Q key. */
183    CACA_KEY_CTRL_R =    0x12, /**< The Ctrl-R key. */
184    CACA_KEY_PAUSE =     0x13, /**< The pause key. */
185    CACA_KEY_CTRL_T =    0x14, /**< The Ctrl-T key. */
186    CACA_KEY_CTRL_U =    0x15, /**< The Ctrl-U key. */
187    CACA_KEY_CTRL_V =    0x16, /**< The Ctrl-V key. */
188    CACA_KEY_CTRL_W =    0x17, /**< The Ctrl-W key. */
189    CACA_KEY_CTRL_X =    0x18, /**< The Ctrl-X key. */
190    CACA_KEY_CTRL_Y =    0x19, /**< The Ctrl-Y key. */
191    CACA_KEY_CTRL_Z =    0x1a, /**< The Ctrl-Z key. */
192    CACA_KEY_ESCAPE =    0x1b, /**< The escape key. */
193    CACA_KEY_DELETE =    0x7f, /**< The delete key. */
194
195    /* The following keys do not have ASCII equivalents but have been
196     * chosen to match the SDL equivalents */
197    CACA_KEY_UP =    0x111, /**< The up arrow key. */
198    CACA_KEY_DOWN =  0x112, /**< The down arrow key. */
199    CACA_KEY_LEFT =  0x113, /**< The left arrow key. */
200    CACA_KEY_RIGHT = 0x114, /**< The right arrow key. */
201
202    CACA_KEY_INSERT =   0x115, /**< The insert key. */
203    CACA_KEY_HOME =     0x116, /**< The home key. */
204    CACA_KEY_END =      0x117, /**< The end key. */
205    CACA_KEY_PAGEUP =   0x118, /**< The page up key. */
206    CACA_KEY_PAGEDOWN = 0x119, /**< The page down key. */
207
208    CACA_KEY_F1 =  0x11a, /**< The F1 key. */
209    CACA_KEY_F2 =  0x11b, /**< The F2 key. */
210    CACA_KEY_F3 =  0x11c, /**< The F3 key. */
211    CACA_KEY_F4 =  0x11d, /**< The F4 key. */
212    CACA_KEY_F5 =  0x11e, /**< The F5 key. */
213    CACA_KEY_F6 =  0x11f, /**< The F6 key. */
214    CACA_KEY_F7 =  0x120, /**< The F7 key. */
215    CACA_KEY_F8 =  0x121, /**< The F8 key. */
216    CACA_KEY_F9 =  0x122, /**< The F9 key. */
217    CACA_KEY_F10 = 0x123, /**< The F10 key. */
218    CACA_KEY_F11 = 0x124, /**< The F11 key. */
219    CACA_KEY_F12 = 0x125, /**< The F12 key. */
220    CACA_KEY_F13 = 0x126, /**< The F13 key. */
221    CACA_KEY_F14 = 0x127, /**< The F14 key. */
222    CACA_KEY_F15 = 0x128  /**< The F15 key. */
223};
224
225/** \defgroup libcaca libcaca basic functions
226 *
227 *  These functions provide the basic \e libcaca routines for library
228 *  initialisation, system information retrieval and configuration.
229 *
230 *  @{ */
231__extern caca_canvas_t * caca_create_canvas(int, int);
232__extern int caca_manage_canvas(caca_canvas_t *, int (*)(void *), void *);
233__extern int caca_unmanage_canvas(caca_canvas_t *, int (*)(void *), void *);
234__extern int caca_set_canvas_size(caca_canvas_t *, int, int);
235__extern int caca_get_canvas_width(caca_canvas_t const *);
236__extern int caca_get_canvas_height(caca_canvas_t const *);
237__extern uint32_t const * caca_get_canvas_chars(caca_canvas_t const *);
238__extern uint32_t const * caca_get_canvas_attrs(caca_canvas_t const *);
239__extern int caca_free_canvas(caca_canvas_t *);
240__extern int caca_rand(int, int);
241__extern char const * caca_get_version(void);
242/*  @} */
243
244/** \defgroup caca_canvas libcaca canvas drawing
245 *
246 *  These functions provide low-level character printing routines and
247 *  higher level graphics functions.
248 *
249 *  @{ */
250#define CACA_MAGIC_FULLWIDTH 0x000ffffe /**< Used to indicate that the previous character was a fullwidth glyph. */
251__extern int caca_gotoxy(caca_canvas_t *, int, int);
252__extern int caca_wherex(caca_canvas_t const *);
253__extern int caca_wherey(caca_canvas_t const *);
254__extern int caca_put_char(caca_canvas_t *, int, int, uint32_t);
255__extern uint32_t caca_get_char(caca_canvas_t const *, int, int);
256__extern int caca_put_str(caca_canvas_t *, int, int, char const *);
257__extern int caca_printf(caca_canvas_t *, int, int, char const *, ...);
258__extern int caca_vprintf(caca_canvas_t *, int, int, char const *, va_list);
259__extern int caca_clear_canvas(caca_canvas_t *);
260__extern int caca_set_canvas_handle(caca_canvas_t *, int, int);
261__extern int caca_get_canvas_handle_x(caca_canvas_t const *);
262__extern int caca_get_canvas_handle_y(caca_canvas_t const *);
263__extern int caca_blit(caca_canvas_t *, int, int, caca_canvas_t const *,
264                       caca_canvas_t const *);
265__extern int caca_set_canvas_boundaries(caca_canvas_t *, int, int, int, int);
266/*  @} */
267
268/** \defgroup caca_dirty libcaca dirty rectangle manipulation
269 *
270 *  These functions manipulate dirty rectangles for optimised blitting.
271 *  @{ */
272__extern int caca_disable_dirty_rect(caca_canvas_t *);
273__extern int caca_enable_dirty_rect(caca_canvas_t *);
274__extern int caca_get_dirty_rect_count(caca_canvas_t *);
275__extern int caca_get_dirty_rect(caca_canvas_t *, int, int *, int *,
276                                 int *, int *);
277__extern int caca_add_dirty_rect(caca_canvas_t *, int, int, int, int);
278__extern int caca_remove_dirty_rect(caca_canvas_t *, int, int, int, int);
279__extern int caca_clear_dirty_rect_list(caca_canvas_t *);
280/*  @} */
281
282/** \defgroup caca_transform libcaca canvas transformation
283 *
284 *  These functions perform horizontal and vertical canvas flipping.
285 *
286 *  @{ */
287__extern int caca_invert(caca_canvas_t *);
288__extern int caca_flip(caca_canvas_t *);
289__extern int caca_flop(caca_canvas_t *);
290__extern int caca_rotate_180(caca_canvas_t *);
291__extern int caca_rotate_left(caca_canvas_t *);
292__extern int caca_rotate_right(caca_canvas_t *);
293__extern int caca_stretch_left(caca_canvas_t *);
294__extern int caca_stretch_right(caca_canvas_t *);
295/*  @} */
296
297/** \defgroup caca_attributes libcaca attribute conversions
298 *
299 *  These functions perform conversions between attribute values.
300 *
301 *  @{ */
302__extern uint32_t caca_get_attr(caca_canvas_t const *, int, int);
303__extern int caca_set_attr(caca_canvas_t *, uint32_t);
304__extern int caca_unset_attr(caca_canvas_t *, uint32_t);
305__extern int caca_toggle_attr(caca_canvas_t *, uint32_t);
306__extern int caca_put_attr(caca_canvas_t *, int, int, uint32_t);
307__extern int caca_set_color_ansi(caca_canvas_t *, uint8_t, uint8_t);
308__extern int caca_set_color_argb(caca_canvas_t *, uint16_t, uint16_t);
309__extern uint8_t caca_attr_to_ansi(uint32_t);
310__extern uint8_t caca_attr_to_ansi_fg(uint32_t);
311__extern uint8_t caca_attr_to_ansi_bg(uint32_t);
312__extern uint16_t caca_attr_to_rgb12_fg(uint32_t);
313__extern uint16_t caca_attr_to_rgb12_bg(uint32_t);
314__extern void caca_attr_to_argb64(uint32_t, uint8_t[8]);
315/*  @} */
316
317/** \defgroup caca_charset libcaca character set conversions
318 *
319 *  These functions perform conversions between usual character sets.
320 *
321 *  @{ */
322__extern uint32_t caca_utf8_to_utf32(char const *, size_t *);
323__extern size_t caca_utf32_to_utf8(char *, uint32_t);
324__extern uint8_t caca_utf32_to_cp437(uint32_t);
325__extern uint32_t caca_cp437_to_utf32(uint8_t);
326__extern char caca_utf32_to_ascii(uint32_t);
327__extern int caca_utf32_is_fullwidth(uint32_t);
328/*  @} */
329
330/** \defgroup caca_primitives libcaca primitives drawing
331 *
332 *  These functions provide routines for primitive drawing, such as lines,
333 *  boxes, triangles and ellipses.
334 *
335 *  @{ */
336__extern int caca_draw_line(caca_canvas_t *, int, int, int, int, uint32_t);
337__extern int caca_draw_polyline(caca_canvas_t *, int const x[],
338                                 int const y[], int, uint32_t);
339__extern int caca_draw_thin_line(caca_canvas_t *, int, int, int, int);
340__extern int caca_draw_thin_polyline(caca_canvas_t *, int const x[],
341                                      int const y[], int);
342
343__extern int caca_draw_circle(caca_canvas_t *, int, int, int, uint32_t);
344__extern int caca_draw_ellipse(caca_canvas_t *, int, int, int, int, uint32_t);
345__extern int caca_draw_thin_ellipse(caca_canvas_t *, int, int, int, int);
346__extern int caca_fill_ellipse(caca_canvas_t *, int, int, int, int, uint32_t);
347
348__extern int caca_draw_box(caca_canvas_t *, int, int, int, int, uint32_t);
349__extern int caca_draw_thin_box(caca_canvas_t *, int, int, int, int);
350__extern int caca_draw_cp437_box(caca_canvas_t *, int, int, int, int);
351__extern int caca_fill_box(caca_canvas_t *, int, int, int, int, uint32_t);
352
353__extern int caca_draw_triangle(caca_canvas_t *, int, int, int, int, int,
354                                 int, uint32_t);
355__extern int caca_draw_thin_triangle(caca_canvas_t *, int, int, int, int,
356                                      int, int);
357__extern int caca_fill_triangle(caca_canvas_t *, int, int, int, int, int,
358                                 int, uint32_t);
359__extern int caca_fill_triangle_textured(caca_canvas_t *cv,
360                                         int coords[6],
361                                         caca_canvas_t *tex,
362                                         float uv[6]);
363/*  @} */
364
365/** \defgroup caca_frame libcaca canvas frame handling
366 *
367 *  These functions provide high level routines for canvas frame insertion,
368 *  removal, copying etc.
369 *
370 *  @{ */
371__extern int caca_get_frame_count(caca_canvas_t const *);
372__extern int caca_set_frame(caca_canvas_t *, int);
373__extern char const *caca_get_frame_name(caca_canvas_t const *);
374__extern int caca_set_frame_name(caca_canvas_t *, char const *);
375__extern int caca_create_frame(caca_canvas_t *, int);
376__extern int caca_free_frame(caca_canvas_t *, int);
377/*  @} */
378
379/** \defgroup caca_dither libcaca bitmap dithering
380 *
381 *  These functions provide high level routines for dither allocation and
382 *  rendering.
383 *
384 *  @{ */
385__extern caca_dither_t *caca_create_dither(int, int, int, int,
386                                             uint32_t, uint32_t,
387                                             uint32_t, uint32_t);
388__extern int caca_set_dither_palette(caca_dither_t *,
389                                      uint32_t r[], uint32_t g[],
390                                      uint32_t b[], uint32_t a[]);
391__extern int caca_set_dither_brightness(caca_dither_t *, float);
392__extern float caca_get_dither_brightness(caca_dither_t const *);
393__extern int caca_set_dither_gamma(caca_dither_t *, float);
394__extern float caca_get_dither_gamma(caca_dither_t const *);
395__extern int caca_set_dither_contrast(caca_dither_t *, float);
396__extern float caca_get_dither_contrast(caca_dither_t const *);
397__extern int caca_set_dither_antialias(caca_dither_t *, char const *);
398__extern char const * const * caca_get_dither_antialias_list(caca_dither_t
399                                                              const *);
400__extern char const * caca_get_dither_antialias(caca_dither_t const *);
401__extern int caca_set_dither_color(caca_dither_t *, char const *);
402__extern char const * const * caca_get_dither_color_list(caca_dither_t
403                                                          const *);
404__extern char const * caca_get_dither_color(caca_dither_t const *);
405__extern int caca_set_dither_charset(caca_dither_t *, char const *);
406__extern char const * const * caca_get_dither_charset_list(caca_dither_t
407                                                            const *);
408__extern char const * caca_get_dither_charset(caca_dither_t const *);
409__extern int caca_set_dither_algorithm(caca_dither_t *, char const *);
410__extern char const * const * caca_get_dither_algorithm_list(caca_dither_t
411                                                              const *);
412__extern char const * caca_get_dither_algorithm(caca_dither_t const *);
413__extern int caca_dither_bitmap(caca_canvas_t *, int, int, int, int,
414                         caca_dither_t const *, void const *);
415__extern int caca_free_dither(caca_dither_t *);
416/*  @} */
417
418/** \defgroup caca_charfont libcaca character font handling
419 *
420 *  These functions provide character font handling routines.
421 *
422 *  @{ */
423__extern caca_charfont_t *caca_load_charfont(void const *, size_t);
424__extern int caca_free_charfont(caca_charfont_t *);
425/*  @} */
426
427/** \defgroup caca_font libcaca bitmap font handling
428 *
429 *  These functions provide bitmap font handling routines and high quality
430 *  canvas to bitmap rendering.
431 *
432 *  @{ */
433__extern caca_font_t *caca_load_font(void const *, size_t);
434__extern char const * const * caca_get_font_list(void);
435__extern int caca_get_font_width(caca_font_t const *);
436__extern int caca_get_font_height(caca_font_t const *);
437__extern uint32_t const *caca_get_font_blocks(caca_font_t const *);
438__extern int caca_render_canvas(caca_canvas_t const *, caca_font_t const *,
439                                 void *, int, int, int);
440__extern int caca_free_font(caca_font_t *);
441/*  @} */
442
443/** \defgroup caca_figfont libcaca FIGfont handling
444 *
445 *  These functions provide FIGlet and TOIlet font handling routines.
446 *
447 *  @{ */
448__extern int caca_canvas_set_figfont(caca_canvas_t *, char const *);
449__extern int caca_set_figfont_smush(caca_canvas_t *, char const *);
450__extern int caca_set_figfont_width(caca_canvas_t *, int);
451__extern int caca_put_figchar(caca_canvas_t *, uint32_t);
452__extern int caca_flush_figlet(caca_canvas_t *);
453/*  @} */
454
455/** \defgroup caca_file libcaca file IO
456 *
457 *  These functions allow to read and write files in a platform-independent
458 *  way.
459 *  @{ */
460__extern caca_file_t *caca_file_open(char const *, const char *);
461__extern int caca_file_close(caca_file_t *);
462__extern uint64_t caca_file_tell(caca_file_t *);
463__extern size_t caca_file_read(caca_file_t *, void *, size_t);
464__extern size_t caca_file_write(caca_file_t *, const void *, size_t);
465__extern char * caca_file_gets(caca_file_t *, char *, int);
466__extern int caca_file_eof(caca_file_t *);
467/*  @} */
468
469/** \defgroup caca_importexport libcaca importers/exporters from/to various
470 *  formats
471 *
472 *  These functions import various file formats into a new canvas, or export
473 *  the current canvas to various text formats.
474 *
475 *  @{ */
476__extern ssize_t caca_import_canvas_from_memory(caca_canvas_t *, void const *,
477                                                size_t, char const *);
478__extern ssize_t caca_import_canvas_from_file(caca_canvas_t *, char const *,
479                                              char const *);
480__extern ssize_t caca_import_area_from_memory(caca_canvas_t *, int, int,
481                                              void const *, size_t,
482                                              char const *);
483__extern ssize_t caca_import_area_from_file(caca_canvas_t *, int, int,
484                                            char const *, char const *);
485__extern char const * const * caca_get_import_list(void);
486__extern void *caca_export_canvas_to_memory(caca_canvas_t const *,
487                                            char const *, size_t *);
488__extern void *caca_export_area_to_memory(caca_canvas_t const *, int, int,
489                                          int, int, char const *, size_t *);
490__extern char const * const * caca_get_export_list(void);
491/*  @} */
492
493/** \defgroup caca_display libcaca display functions
494 *
495 *  These functions provide the basic \e libcaca routines for display
496 *  initialisation, system information retrieval and configuration.
497 *
498 *  @{ */
499__extern caca_display_t * caca_create_display(caca_canvas_t *);
500__extern caca_display_t * caca_create_display_with_driver(caca_canvas_t *,
501                                                          char const *);
502__extern char const * const * caca_get_display_driver_list(void);
503__extern char const * caca_get_display_driver(caca_display_t *);
504__extern int caca_set_display_driver(caca_display_t *, char const *);
505__extern int caca_free_display(caca_display_t *);
506__extern caca_canvas_t * caca_get_canvas(caca_display_t *);
507__extern int caca_refresh_display(caca_display_t *);
508__extern int caca_set_display_time(caca_display_t *, int);
509__extern int caca_get_display_time(caca_display_t const *);
510__extern int caca_get_display_width(caca_display_t const *);
511__extern int caca_get_display_height(caca_display_t const *);
512__extern int caca_set_display_title(caca_display_t *, char const *);
513__extern int caca_set_mouse(caca_display_t *, int);
514__extern int caca_set_cursor(caca_display_t *, int);
515/*  @} */
516
517/** \defgroup caca_event libcaca event handling
518 *
519 *  These functions handle user events such as keyboard input and mouse
520 *  clicks.
521 *
522 *  @{ */
523__extern int caca_get_event(caca_display_t *, int, caca_event_t *, int);
524__extern int caca_get_mouse_x(caca_display_t const *);
525__extern int caca_get_mouse_y(caca_display_t const *);
526__extern enum caca_event_type caca_get_event_type(caca_event_t const *);
527__extern int caca_get_event_key_ch(caca_event_t const *);
528__extern uint32_t caca_get_event_key_utf32(caca_event_t const *);
529__extern int caca_get_event_key_utf8(caca_event_t const *, char *);
530__extern int caca_get_event_mouse_button(caca_event_t const *);
531__extern int caca_get_event_mouse_x(caca_event_t const *);
532__extern int caca_get_event_mouse_y(caca_event_t const *);
533__extern int caca_get_event_resize_width(caca_event_t const *);
534__extern int caca_get_event_resize_height(caca_event_t const *);
535/*  @} */
536
537/** \defgroup caca_process libcaca process management
538 *
539 *  These functions help with various process handling tasks such as
540 *  option parsing, DLL injection.
541 *
542 *  @{ */
543__extern int caca_optind;
544__extern char *caca_optarg;
545__extern int caca_getopt(int, char * const[], char const *,
546                         struct caca_option const *, int *);
547/*  @} */
548
549/** \brief DOS colours
550 *
551 *  This enum lists the colour values for the DOS conio.h compatibility
552 *  layer.
553 */
554enum CACA_CONIO_COLORS
555{
556    CACA_CONIO_BLINK = 128,
557    CACA_CONIO_BLACK = 0,
558    CACA_CONIO_BLUE = 1,
559    CACA_CONIO_GREEN = 2,
560    CACA_CONIO_CYAN = 3,
561    CACA_CONIO_RED = 4,
562    CACA_CONIO_MAGENTA = 5,
563    CACA_CONIO_BROWN = 6,
564    CACA_CONIO_LIGHTGRAY = 7,
565    CACA_CONIO_DARKGRAY = 8,
566    CACA_CONIO_LIGHTBLUE = 9,
567    CACA_CONIO_LIGHTGREEN = 10,
568    CACA_CONIO_LIGHTCYAN = 11,
569    CACA_CONIO_LIGHTRED = 12,
570    CACA_CONIO_LIGHTMAGENTA = 13,
571    CACA_CONIO_YELLOW = 14,
572    CACA_CONIO_WHITE = 15,
573};
574
575/** \brief DOS cursor modes
576 *
577 *  This enum lists the cursor mode values for the DOS conio.h compatibility
578 *  layer.
579 */
580enum CACA_CONIO_CURSOR
581{
582    CACA_CONIO__NOCURSOR = 0,
583    CACA_CONIO__SOLIDCURSOR = 1,
584    CACA_CONIO__NORMALCURSOR = 2,
585};
586
587/** \brief DOS video modes
588 *
589 *  This enum lists the video mode values for the DOS conio.h compatibility
590 *  layer.
591 */
592enum CACA_CONIO_MODE
593{
594    CACA_CONIO_LASTMODE = -1,
595    CACA_CONIO_BW40 = 0,
596    CACA_CONIO_C40 = 1,
597    CACA_CONIO_BW80 = 2,
598    CACA_CONIO_C80 = 3,
599    CACA_CONIO_MONO = 7,
600    CACA_CONIO_C4350 = 64,
601};
602
603/** \brief DOS text area information
604 *
605 *  This structure stores text area information for the DOS conio.h
606 *  compatibility layer.
607 */
608struct caca_conio_text_info
609{
610    unsigned char winleft;        /**< left window coordinate */
611    unsigned char wintop;         /**< top window coordinate */
612    unsigned char winright;       /**< right window coordinate */
613    unsigned char winbottom;      /**< bottom window coordinate */
614    unsigned char attribute;      /**< text attribute */
615    unsigned char normattr;       /**< normal attribute */
616    unsigned char currmode;       /**< current video mode:
617                                       BW40, BW80, C40, C80, or C4350 */
618    unsigned char screenheight;   /**< text screen's height */
619    unsigned char screenwidth;    /**< text screen's width */
620    unsigned char curx;           /**< x-coordinate in current window */
621    unsigned char cury;           /**< y-coordinate in current window */
622};
623
624/** \brief DOS direct video control */
625__extern int caca_conio_directvideo;
626
627/** \brief DOS scrolling control */
628__extern int caca_conio__wscroll;
629
630/** \defgroup conio libcaca DOS conio.h compatibility layer
631 *
632 *  These functions implement DOS-like functions for high-level text
633 *  operations.
634 *
635 *  @{ */
636__extern char * caca_conio_cgets(char *str);
637__extern void   caca_conio_clreol(void);
638__extern void   caca_conio_clrscr(void);
639__extern int    caca_conio_cprintf(const char *format, ...);
640__extern int    caca_conio_cputs(const char *str);
641__extern int    caca_conio_cscanf(char *format, ...);
642__extern void   caca_conio_delay(unsigned int);
643__extern void   caca_conio_delline(void);
644__extern int    caca_conio_getch(void);
645__extern int    caca_conio_getche(void);
646__extern char * caca_conio_getpass(const char *prompt);
647__extern int    caca_conio_gettext(int left, int top, int right, int bottom,
648                                   void *destin);
649__extern void   caca_conio_gettextinfo(struct caca_conio_text_info *r);
650__extern void   caca_conio_gotoxy(int x, int y);
651__extern void   caca_conio_highvideo(void);
652__extern void   caca_conio_insline(void);
653__extern int    caca_conio_kbhit(void);
654__extern void   caca_conio_lowvideo(void);
655__extern int    caca_conio_movetext(int left, int top, int right, int bottom,
656                                    int destleft, int desttop);
657__extern void   caca_conio_normvideo(void);
658__extern void   caca_conio_nosound(void);
659__extern int    caca_conio_printf(const char *format, ...);
660__extern int    caca_conio_putch(int ch);
661__extern int    caca_conio_puttext(int left, int top, int right, int bottom,
662                                   void *destin);
663__extern void   caca_conio__setcursortype(int cur_t);
664__extern void   caca_conio_sleep(unsigned int);
665__extern void   caca_conio_sound(unsigned int);
666__extern void   caca_conio_textattr(int newattr);
667__extern void   caca_conio_textbackground(int newcolor);
668__extern void   caca_conio_textcolor(int newcolor);
669__extern void   caca_conio_textmode(int newmode);
670__extern int    caca_conio_ungetch(int ch);
671__extern int    caca_conio_wherex(void);
672__extern int    caca_conio_wherey(void);
673__extern void   caca_conio_window(int left, int top, int right, int bottom);
674/*  @} */
675
676#if !defined(_DOXYGEN_SKIP_ME)
677    /* Legacy stuff from beta versions, will probably disappear in 1.0 */
678typedef struct cucul_buffer cucul_buffer_t;
679
680#   if defined __GNUC__ && __GNUC__ >= 3
681#       define CACA_DEPRECATED __attribute__ ((__deprecated__))
682#   else
683#       define CACA_DEPRECATED
684#   endif
685
686#   if defined __GNUC__ && __GNUC__ > 3
687#       define CACA_ALIAS(x) __attribute__ ((weak, alias(#x)))
688#   else
689#       define CACA_ALIAS(x)
690#   endif
691
692
693/* Aliases from old libcaca and libcucul functions */
694__extern int cucul_putchar(caca_canvas_t *, int, int,
695                           unsigned long int) CACA_DEPRECATED;
696__extern unsigned long int cucul_getchar(caca_canvas_t *,
697                                         int, int) CACA_DEPRECATED;
698__extern int cucul_putstr(caca_canvas_t *, int, int,
699                          char const *) CACA_DEPRECATED;
700__extern int cucul_set_color(caca_canvas_t *, unsigned char,
701                             unsigned char) CACA_DEPRECATED;
702__extern int cucul_set_truecolor(caca_canvas_t *, unsigned int,
703                                 unsigned int) CACA_DEPRECATED;
704__extern unsigned int cucul_get_canvas_frame_count(caca_canvas_t *)
705                                                   CACA_DEPRECATED;
706__extern int cucul_set_canvas_frame(caca_canvas_t *,
707                                    unsigned int) CACA_DEPRECATED;
708__extern int cucul_create_canvas_frame(caca_canvas_t *,
709                                       unsigned int) CACA_DEPRECATED;
710__extern int cucul_free_canvas_frame(caca_canvas_t *,
711                                     unsigned int) CACA_DEPRECATED;
712__extern cucul_buffer_t *cucul_load_memory(void *,
713                                           unsigned long int) CACA_DEPRECATED;
714__extern cucul_buffer_t *cucul_load_file(char const *) CACA_DEPRECATED;
715__extern unsigned long int cucul_get_buffer_size(cucul_buffer_t *)
716                                                 CACA_DEPRECATED;
717__extern void * cucul_get_buffer_data(cucul_buffer_t *) CACA_DEPRECATED;
718__extern int cucul_free_buffer(cucul_buffer_t *) CACA_DEPRECATED;
719__extern cucul_buffer_t * cucul_export_canvas(caca_canvas_t *,
720                                              char const *) CACA_DEPRECATED;
721__extern caca_canvas_t * cucul_import_canvas(cucul_buffer_t *,
722                                              char const *) CACA_DEPRECATED;
723#if !defined _WIN32 || !defined __GNUC__
724__extern ssize_t caca_import_memory(caca_canvas_t *, void const *, size_t,
725                                    char const *) CACA_DEPRECATED;
726__extern ssize_t caca_import_file(caca_canvas_t *, char const *,
727                                  char const *) CACA_DEPRECATED;
728__extern void *caca_export_memory(caca_canvas_t const *, char const *,
729                                  size_t *) CACA_DEPRECATED;
730#endif
731__extern int cucul_rotate(caca_canvas_t *) CACA_DEPRECATED;
732__extern int cucul_set_dither_invert(caca_dither_t *, int) CACA_DEPRECATED;
733__extern int cucul_set_dither_mode(caca_dither_t *,
734                                   char const *) CACA_DEPRECATED;
735__extern char const * const * cucul_get_dither_mode_list(caca_dither_t const *)
736                                                         CACA_DEPRECATED;
737#   define CUCUL_COLOR_BLACK CACA_BLACK
738#   define CUCUL_COLOR_BLUE CACA_BLUE
739#   define CUCUL_COLOR_GREEN CACA_GREEN
740#   define CUCUL_COLOR_CYAN CACA_CYAN
741#   define CUCUL_COLOR_RED CACA_RED
742#   define CUCUL_COLOR_MAGENTA CACA_MAGENTA
743#   define CUCUL_COLOR_BROWN CACA_BROWN
744#   define CUCUL_COLOR_LIGHTGRAY CACA_LIGHTGRAY
745#   define CUCUL_COLOR_DARKGRAY CACA_DARKGRAY
746#   define CUCUL_COLOR_LIGHTBLUE CACA_LIGHTBLUE
747#   define CUCUL_COLOR_LIGHTGREEN CACA_LIGHTGREEN
748#   define CUCUL_COLOR_LIGHTCYAN CACA_LIGHTCYAN
749#   define CUCUL_COLOR_LIGHTRED CACA_LIGHTRED
750#   define CUCUL_COLOR_LIGHTMAGENTA CACA_LIGHTMAGENTA
751#   define CUCUL_COLOR_YELLOW CACA_YELLOW
752#   define CUCUL_COLOR_WHITE CACA_YELLOW
753#   define CUCUL_COLOR_DEFAULT CACA_DEFAULT
754#   define CUCUL_COLOR_TRANSPARENT CACA_TRANSPARENT
755
756/* Aliases from the libcucul/libcaca merge */
757#   define cucul_canvas_t caca_canvas_t
758#   define cucul_dither_t caca_dither_t
759#   define cucul_font_t caca_font_t
760#   define cucul_file_t caca_file_t
761#   define cucul_display_t caca_display_t
762#   define cucul_event_t caca_event_t
763
764#   define CUCUL_BLACK CACA_BLACK
765#   define CUCUL_BLUE CACA_BLUE
766#   define CUCUL_GREEN CACA_GREEN
767#   define CUCUL_CYAN CACA_CYAN
768#   define CUCUL_RED CACA_RED
769#   define CUCUL_MAGENTA CACA_MAGENTA
770#   define CUCUL_BROWN CACA_BROWN
771#   define CUCUL_LIGHTGRAY CACA_LIGHTGRAY
772#   define CUCUL_DARKGRAY CACA_DARKGRAY
773#   define CUCUL_LIGHTBLUE CACA_LIGHTBLUE
774#   define CUCUL_LIGHTGREEN CACA_LIGHTGREEN
775#   define CUCUL_LIGHTCYAN CACA_LIGHTCYAN
776#   define CUCUL_LIGHTRED CACA_LIGHTRED
777#   define CUCUL_LIGHTMAGENTA CACA_LIGHTMAGENTA
778#   define CUCUL_YELLOW CACA_YELLOW
779#   define CUCUL_WHITE CACA_YELLOW
780#   define CUCUL_DEFAULT CACA_DEFAULT
781#   define CUCUL_TRANSPARENT CACA_TRANSPARENT
782
783#   define CUCUL_BOLD CACA_BOLD
784#   define CUCUL_ITALICS CACA_ITALICS
785#   define CUCUL_UNDERLINE CACA_UNDERLINE
786#   define CUCUL_BLINK CACA_BLINK
787
788#   if !defined __LIBCACA__
789#       define caca_get_cursor_x caca_wherex
790#       define caca_get_cursor_y caca_wherey
791#       define cucul_draw_triangle caca_draw_triangle
792#       define cucul_draw_thin_triangle caca_draw_thin_triangle
793#       define cucul_fill_triangle caca_fill_triangle
794#       define cucul_load_font caca_load_font
795#       define cucul_get_font_list caca_get_font_list
796#       define cucul_get_font_width caca_get_font_width
797#       define cucul_get_font_height caca_get_font_height
798#       define cucul_get_font_blocks caca_get_font_blocks
799#       define cucul_render_canvas caca_render_canvas
800#       define cucul_free_font caca_free_font
801#       define cucul_gotoxy caca_gotoxy
802#       define cucul_get_cursor_x caca_wherex
803#       define cucul_get_cursor_y caca_wherey
804#       define cucul_put_char caca_put_char
805#       define cucul_get_char caca_get_char
806#       define cucul_put_str caca_put_str
807#       define cucul_printf caca_printf
808#       define cucul_clear_canvas caca_clear_canvas
809#       define cucul_set_canvas_handle caca_set_canvas_handle
810#       define cucul_get_canvas_handle_x caca_get_canvas_handle_x
811#       define cucul_get_canvas_handle_y caca_get_canvas_handle_y
812#       define cucul_blit caca_blit
813#       define cucul_set_canvas_boundaries caca_set_canvas_boundaries
814#       define cucul_import_memory caca_import_memory
815#       define cucul_import_file caca_import_file
816#       define cucul_get_import_list caca_get_import_list
817#       define cucul_create_canvas caca_create_canvas
818#       define cucul_manage_canvas caca_manage_canvas
819#       define cucul_unmanage_canvas caca_unmanage_canvas
820#       define cucul_set_canvas_size caca_set_canvas_size
821#       define cucul_get_canvas_width caca_get_canvas_width
822#       define cucul_get_canvas_height caca_get_canvas_height
823#       define cucul_get_canvas_chars caca_get_canvas_chars
824#       define cucul_get_canvas_attrs caca_get_canvas_attrs
825#       define cucul_free_canvas caca_free_canvas
826#       define cucul_rand caca_rand
827#       define cucul_export_memory caca_export_memory
828#       define cucul_get_export_list caca_get_export_list
829#       define cucul_get_version caca_get_version
830#       define cucul_utf8_to_utf32 caca_utf8_to_utf32
831#       define cucul_utf32_to_utf8 caca_utf32_to_utf8
832#       define cucul_utf32_to_cp437 caca_utf32_to_cp437
833#       define cucul_cp437_to_utf32 caca_cp437_to_utf32
834#       define cucul_utf32_to_ascii caca_utf32_to_ascii
835#       define cucul_utf32_is_fullwidth caca_utf32_is_fullwidth
836#       define cucul_draw_circle caca_draw_circle
837#       define cucul_draw_ellipse caca_draw_ellipse
838#       define cucul_draw_thin_ellipse caca_draw_thin_ellipse
839#       define cucul_fill_ellipse caca_fill_ellipse
840#       define cucul_canvas_set_figfont caca_canvas_set_figfont
841#       define cucul_put_figchar caca_put_figchar
842#       define cucul_flush_figlet caca_flush_figlet
843#       define cucul_putchar caca_putchar
844#       define cucul_getchar caca_getchar
845#       define cucul_get_attr caca_get_attr
846#       define cucul_set_attr caca_set_attr
847#       define cucul_put_attr caca_put_attr
848#       define cucul_set_color_ansi caca_set_color_ansi
849#       define cucul_set_color_argb caca_set_color_argb
850#       define cucul_attr_to_ansi caca_attr_to_ansi
851#       define cucul_attr_to_ansi_fg caca_attr_to_ansi_fg
852#       define cucul_attr_to_ansi_bg caca_attr_to_ansi_bg
853#       define cucul_attr_to_rgb12_fg caca_attr_to_rgb12_fg
854#       define cucul_attr_to_rgb12_bg caca_attr_to_rgb12_bg
855#       define cucul_attr_to_argb64 caca_attr_to_argb64
856#       define cucul_invert caca_invert
857#       define cucul_flip caca_flip
858#       define cucul_flop caca_flop
859#       define cucul_rotate_180 caca_rotate_180
860#       define cucul_rotate_left caca_rotate_left
861#       define cucul_rotate_right caca_rotate_right
862#       define cucul_stretch_left caca_stretch_left
863#       define cucul_stretch_right caca_stretch_right
864#       define cucul_file_open caca_file_open
865#       define cucul_file_close caca_file_close
866#       define cucul_file_tell caca_file_tell
867#       define cucul_file_read caca_file_read
868#       define cucul_file_write caca_file_write
869#       define cucul_file_gets caca_file_gets
870#       define cucul_file_eof caca_file_eof
871#       define cucul_create_dither caca_create_dither
872#       define cucul_set_dither_palette caca_set_dither_palette
873#       define cucul_set_dither_brightness caca_set_dither_brightness
874#       define cucul_get_dither_brightness caca_get_dither_brightness
875#       define cucul_set_dither_gamma caca_set_dither_gamma
876#       define cucul_get_dither_gamma caca_get_dither_gamma
877#       define cucul_set_dither_contrast caca_set_dither_contrast
878#       define cucul_get_dither_contrast caca_get_dither_contrast
879#       define cucul_set_dither_antialias caca_set_dither_antialias
880#       define cucul_get_dither_antialias_list caca_get_dither_antialias_list
881#       define cucul_get_dither_antialias caca_get_dither_antialias
882#       define cucul_set_dither_color caca_set_dither_color
883#       define cucul_get_dither_color_list caca_get_dither_color_list
884#       define cucul_get_dither_color caca_get_dither_color
885#       define cucul_set_dither_charset caca_set_dither_charset
886#       define cucul_get_dither_charset_list caca_get_dither_charset_list
887#       define cucul_get_dither_charset caca_get_dither_charset
888#       define cucul_set_dither_algorithm caca_set_dither_algorithm
889#       define cucul_get_dither_algorithm_list caca_get_dither_algorithm_list
890#       define cucul_get_dither_algorithm caca_get_dither_algorithm
891#       define cucul_dither_bitmap caca_dither_bitmap
892#       define cucul_free_dither caca_free_dither
893#       define cucul_draw_line caca_draw_line
894#       define cucul_draw_polyline caca_draw_polyline
895#       define cucul_draw_thin_line caca_draw_thin_line
896#       define cucul_draw_thin_polyline caca_draw_thin_polyline
897#       define cucul_draw_box caca_draw_box
898#       define cucul_draw_thin_box caca_draw_thin_box
899#       define cucul_draw_cp437_box caca_draw_cp437_box
900#       define cucul_fill_box caca_fill_box
901#       define cucul_get_frame_count caca_get_frame_count
902#       define cucul_set_frame caca_set_frame
903#       define cucul_get_frame_name caca_get_frame_name
904#       define cucul_set_frame_name caca_set_frame_name
905#       define cucul_create_frame caca_create_frame
906#       define cucul_free_frame caca_free_frame
907#   endif
908#endif
909
910#ifdef __cplusplus
911}
912#endif
913
914#undef __extern
915
916#endif /* __CACA_H__ */
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