No puede seleccionar más de 25 temas Los temas deben comenzar con una letra o número, pueden incluir guiones ('-') y pueden tener hasta 35 caracteres de largo.

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226
  1. /*
  2. * libee ASCII-Art library
  3. * Copyright (c) 2002, 2003 Sam Hocevar <sam@zoy.org>
  4. * All Rights Reserved
  5. *
  6. * $Id$
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21. */
  22. #include "config.h"
  23. #if defined(USE_SLANG)
  24. # include <slang.h>
  25. #elif defined(USE_NCURSES)
  26. # include <curses.h>
  27. #elif defined(USE_CONIO)
  28. # include <dos.h>
  29. # include <conio.h>
  30. # if defined(SCREENUPDATE_IN_PC_H)
  31. # include <pc.h>
  32. # endif
  33. #else
  34. # error "no graphics library detected"
  35. #endif
  36. #include <stdlib.h>
  37. #include <unistd.h>
  38. #include <string.h>
  39. #include <sys/time.h>
  40. #include <time.h>
  41. #include "ee.h"
  42. static int _ee_delay;
  43. #if defined(USE_CONIO)
  44. static struct text_info ti;
  45. char *_screen_buffer;
  46. #endif
  47. int ee_init(void)
  48. {
  49. #if defined(USE_SLANG)
  50. static char * colors[] = { "black", "green", "yellow", "white",
  51. "red", "gray", "lightgray", "blue", "cyan", "magenta", NULL };
  52. int i;
  53. /* Initialize slang library */
  54. SLsig_block_signals();
  55. SLtt_get_terminfo();
  56. if(SLkp_init() == -1)
  57. {
  58. SLsig_unblock_signals();
  59. return -1;
  60. }
  61. SLang_init_tty(-1, 0, 1);
  62. if(SLsmg_init_smg() == -1)
  63. {
  64. SLsig_unblock_signals();
  65. return -1;
  66. }
  67. SLsig_unblock_signals();
  68. SLsmg_cls();
  69. SLtt_set_cursor_visibility(0);
  70. SLsmg_refresh();
  71. for(i = 0; colors[i]; i++)
  72. {
  73. SLtt_set_color(i + 1, NULL, colors[i], "black");
  74. }
  75. #elif defined(USE_NCURSES)
  76. /* Initialize ncurses library */
  77. initscr();
  78. keypad(stdscr, TRUE);
  79. nonl();
  80. cbreak();
  81. noecho();
  82. nodelay(stdscr, TRUE);
  83. curs_set(0);
  84. start_color();
  85. init_pair(EE_BLACK, COLOR_BLACK, COLOR_BLACK);
  86. init_pair(EE_GREEN, COLOR_GREEN, COLOR_BLACK);
  87. init_pair(EE_YELLOW, COLOR_YELLOW, COLOR_BLACK);
  88. init_pair(EE_WHITE, COLOR_WHITE, COLOR_BLACK);
  89. init_pair(EE_RED, COLOR_RED, COLOR_BLACK);
  90. init_pair(EE_GRAY, COLOR_WHITE, COLOR_BLACK); // XXX
  91. init_pair(EE_LIGHTGRAY, COLOR_WHITE, COLOR_BLACK); // XXX
  92. init_pair(EE_BLUE, COLOR_BLUE, COLOR_BLACK);
  93. init_pair(EE_CYAN, COLOR_CYAN, COLOR_BLACK);
  94. init_pair(EE_MAGENTA, COLOR_MAGENTA, COLOR_BLACK);
  95. #elif defined(USE_CONIO)
  96. _wscroll = 0;
  97. _setcursortype(_NOCURSOR);
  98. clrscr();
  99. gettextinfo(&ti);
  100. _screen_buffer = malloc(ee_get_width() * ee_get_height() * 2);
  101. ScreenRetrieve(_screen_buffer);
  102. #endif
  103. _ee_delay = 0;
  104. return 0;
  105. }
  106. void ee_set_delay(int usec)
  107. {
  108. _ee_delay = usec;
  109. }
  110. int ee_get_width(void)
  111. {
  112. #if defined(USE_SLANG)
  113. return SLtt_Screen_Cols;
  114. #elif defined(USE_NCURSES)
  115. return COLS;
  116. #elif defined(USE_CONIO)
  117. return ti.screenwidth;
  118. #endif
  119. }
  120. int ee_get_height(void)
  121. {
  122. #if defined(USE_SLANG)
  123. return SLtt_Screen_Rows;
  124. #elif defined(USE_NCURSES)
  125. return LINES;
  126. #else
  127. return ti.screenheight;
  128. #endif
  129. }
  130. #if !defined(USE_CONIO)
  131. static int64_t local_time(void)
  132. {
  133. struct timeval tv;
  134. int64_t now;
  135. gettimeofday(&tv, NULL);
  136. now = tv.tv_sec;
  137. now *= 1000000;
  138. now += tv.tv_usec;
  139. return now;
  140. }
  141. #endif
  142. void ee_refresh(void)
  143. {
  144. #if !defined(USE_CONIO)
  145. static int64_t local_clock = 0;
  146. int64_t now;
  147. if(!local_clock)
  148. {
  149. /* Initialize local_clock */
  150. local_clock = local_time();
  151. }
  152. if(local_time() > local_clock + 10000)
  153. {
  154. /* If we are late, we shouldn't display anything */
  155. }
  156. #endif
  157. #if defined(USE_SLANG)
  158. SLsmg_refresh();
  159. #elif defined(USE_NCURSES)
  160. refresh();
  161. #elif defined(USE_CONIO)
  162. ScreenUpdate(_screen_buffer);
  163. #endif
  164. #if !defined(USE_CONIO)
  165. now = local_time();
  166. if(now < local_clock + _ee_delay - 10000)
  167. {
  168. usleep(local_clock + _ee_delay - 10000 - now);
  169. }
  170. local_clock += _ee_delay;
  171. #else
  172. delay(5);
  173. #endif
  174. }
  175. void ee_end(void)
  176. {
  177. #if defined(USE_SLANG)
  178. SLtt_set_cursor_visibility(1);
  179. SLang_reset_tty();
  180. SLsmg_reset_smg();
  181. #elif defined(USE_NCURSES)
  182. curs_set(1);
  183. endwin();
  184. #elif defined(USE_CONIO)
  185. ScreenUpdate(_screen_buffer);
  186. _wscroll = 1;
  187. textcolor((enum COLORS)WHITE);
  188. textbackground((enum COLORS)BLACK);
  189. gotoxy(ee_get_width(), ee_get_height());
  190. cputs("\r\n");
  191. _setcursortype(_NORMALCURSOR);
  192. #endif
  193. }