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  1. /*
  2. * libcaca Colour ASCII-Art library
  3. * Copyright (c) 2002-2006 Sam Hocevar <sam@zoy.org>
  4. * All Rights Reserved
  5. *
  6. * This library is free software; you can redistribute it and/or
  7. * modify it under the terms of the Do What The Fuck You Want To
  8. * Public License, Version 2, as published by Sam Hocevar. See
  9. * http://sam.zoy.org/wtfpl/COPYING for more details.
  10. */
  11. /** \file caca_internals.h
  12. * \version \$Id$
  13. * \author Sam Hocevar <sam@zoy.org>
  14. * \brief The \e libcaca private header.
  15. *
  16. * This header contains the private types and functions used by \e libcaca.
  17. */
  18. #ifndef __CACA_INTERNALS_H__
  19. #define __CACA_INTERNALS_H__
  20. #if defined(HAVE_INTTYPES_H) && !defined(__KERNEL__)
  21. # include <inttypes.h>
  22. #elif !defined(CUSTOM_INTTYPES) && !defined(_DOXYGEN_SKIP_ME)
  23. # define CUSTOM_INTTYPES
  24. typedef unsigned char uint8_t;
  25. typedef unsigned short uint16_t;
  26. typedef unsigned long int uint32_t;
  27. typedef long int intptr_t;
  28. typedef long unsigned int uintptr_t;
  29. #endif
  30. #if !defined(_DOXYGEN_SKIP_ME)
  31. # define EVENTBUF_LEN 10
  32. #endif
  33. /* Graphics driver */
  34. enum caca_driver
  35. {
  36. CACA_DRIVER_NONE = 0,
  37. #if defined(USE_CONIO)
  38. CACA_DRIVER_CONIO = 1,
  39. #endif
  40. #if defined(USE_NCURSES)
  41. CACA_DRIVER_NCURSES = 2,
  42. #endif
  43. #if defined(USE_SLANG)
  44. CACA_DRIVER_SLANG = 3,
  45. #endif
  46. #if defined(USE_X11)
  47. CACA_DRIVER_X11 = 4,
  48. #endif
  49. #if defined(USE_WIN32)
  50. CACA_DRIVER_WIN32 = 5,
  51. #endif
  52. #if defined(USE_GL)
  53. CACA_DRIVER_GL = 6,
  54. #endif
  55. #if defined(USE_NETWORK)
  56. CACA_DRIVER_NETWORK = 7,
  57. #endif
  58. #if defined(USE_VGA)
  59. CACA_DRIVER_VGA = 8,
  60. #endif
  61. };
  62. /* Available drivers */
  63. #if defined(USE_CONIO)
  64. int conio_install(caca_t *);
  65. #endif
  66. #if defined(USE_GL)
  67. int gl_install(caca_t *);
  68. #endif
  69. #if defined(USE_NCURSES)
  70. int ncurses_install(caca_t *);
  71. #endif
  72. #if defined(USE_SLANG)
  73. int slang_install(caca_t *);
  74. #endif
  75. #if defined(USE_WIN32)
  76. int win32_install(caca_t *);
  77. #endif
  78. #if defined(USE_X11)
  79. int x11_install(caca_t *);
  80. #endif
  81. #if defined(USE_NETWORK)
  82. int network_install(caca_t *);
  83. #endif
  84. #if defined(USE_VGA)
  85. int vga_install(caca_t *);
  86. #endif
  87. /* Timer structure */
  88. struct caca_timer
  89. {
  90. int last_sec, last_usec;
  91. };
  92. /* Internal caca context */
  93. struct caca_context
  94. {
  95. /* A link to our cucul canvas */
  96. cucul_t *qq;
  97. /* Device-specific functions */
  98. struct drv
  99. {
  100. enum caca_driver driver;
  101. struct driver_private *p;
  102. int (* init_graphics) (caca_t *);
  103. int (* end_graphics) (caca_t *);
  104. int (* set_window_title) (caca_t *, char const *);
  105. unsigned int (* get_window_width) (caca_t *);
  106. unsigned int (* get_window_height) (caca_t *);
  107. void (* display) (caca_t *);
  108. void (* handle_resize) (caca_t *);
  109. int (* get_event) (caca_t *, struct caca_event *);
  110. } drv;
  111. /* Mouse position */
  112. struct mouse
  113. {
  114. unsigned int x, y;
  115. } mouse;
  116. /* Window resize handling */
  117. struct resize
  118. {
  119. int resized; /* A resize event was requested */
  120. unsigned w, h; /* Requested width and height */
  121. } resize;
  122. /* Framerate handling */
  123. unsigned int delay, rendertime;
  124. struct caca_timer timer;
  125. int lastticks;
  126. struct events
  127. {
  128. #if defined(USE_SLANG) || defined(USE_NCURSES) || defined(USE_CONIO) || defined(USE_GL)
  129. struct caca_event buf[EVENTBUF_LEN];
  130. int queue;
  131. #endif
  132. #if defined(USE_SLANG) || defined(USE_NCURSES)
  133. struct caca_timer key_timer;
  134. unsigned int last_key_ticks;
  135. unsigned int autorepeat_ticks;
  136. struct caca_event last_key_event;
  137. #endif
  138. } events;
  139. };
  140. /* Internal timer functions */
  141. extern void _caca_sleep(unsigned int);
  142. extern unsigned int _caca_getticks(struct caca_timer *);
  143. /* Internal event functions */
  144. extern void _caca_handle_resize(caca_t *);
  145. #if defined(USE_SLANG) || defined(USE_NCURSES) || defined(USE_CONIO) || defined(USE_GL)
  146. extern void _push_event(caca_t *, struct caca_event *);
  147. extern int _pop_event(caca_t *, struct caca_event *);
  148. #endif
  149. #endif /* __CACA_INTERNALS_H__ */