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libcaca/ruby/caca-canvas.c

660 wiersze
18 KiB
Czysty Wina Historia 

  1. /*

  2.  *  libcaca Ruby bindings

  3.  *  Copyright (c) 2007 Pascal Terjan <pterjan@linuxfr.org>

  4.  *

  5.  *  This library is free software. It comes without any warranty, to

  6.  *  the extent permitted by applicable law. You can redistribute it

  7.  *  and/or modify it under the terms of the Do What The Fuck You Want

  8.  *  To Public License, Version 2, as published by Sam Hocevar. See

  9.  *  http://sam.zoy.org/wtfpl/COPYING for more details.

  10.  */

  11. 

  12. #include <ruby.h>

  13. #include <caca.h>

  14. #include <errno.h>

  15. #include "caca-dither.h"

  16. #include "caca-font.h"

  17. #include "common.h"

  18. 

  19. VALUE cCanvas;

  20. 

  21. #define simple_func(x)                                  \

  22. static VALUE x (VALUE self)                             \

  23. {                                                       \

  24.     if( caca_##x (_SELF) <0)                            \

  25.         rb_raise(rb_eRuntimeError, strerror(errno));    \

  26.                                                         \

  27.     return self;                                        \

  28. }

  29. 

  30. #define get_int(x)                                      \

  31. static VALUE get_##x (VALUE self)                       \

  32. {                                                       \

  33.     return INT2NUM(caca_get_##x (_SELF));               \

  34. }

  35. 

  36. static void canvas_free(void * p)

  37. {

  38.     caca_free_canvas((caca_canvas_t *)p);

  39. }

  40. 

  41. static VALUE canvas_alloc(VALUE klass)

  42. {

  43.     VALUE obj;

  44.     obj = Data_Wrap_Struct(klass, NULL, canvas_free, NULL);

  45.     return obj;

  46. }

  47. 

  48. VALUE canvas_create(caca_canvas_t *canvas)

  49. {

  50.     return Data_Wrap_Struct(cCanvas, NULL, NULL, canvas);

  51. }

  52. 

  53. static VALUE canvas_initialize(VALUE self, VALUE width, VALUE height)

  54. {

  55.     caca_canvas_t *canvas;

  56. 

  57.     canvas = caca_create_canvas(NUM2INT(width), NUM2INT(height));

  58. 

  59.     if(canvas == NULL)

  60.     {

  61.         rb_raise(rb_eRuntimeError, strerror(errno));

  62.     }

  63. 

  64.     _SELF = canvas;

  65. 

  66.     return self;

  67. }

  68. 

  69. get_int(canvas_height)

  70. get_int(canvas_width)

  71. 

  72. static VALUE set_canvas_width(VALUE self, VALUE width)

  73. {

  74.     caca_set_canvas_size(_SELF, NUM2INT(width), caca_get_canvas_height(_SELF));

  75.     return width;

  76. }

  77. 

  78. static VALUE set_canvas_width2(VALUE self, VALUE width)

  79. {

  80.     set_canvas_width(self, width);

  81.     return self;

  82. }

  83. 

  84. static VALUE set_canvas_height(VALUE self, VALUE height)

  85. {

  86.     caca_set_canvas_size(_SELF, caca_get_canvas_width(_SELF), NUM2INT(height));

  87.     return height;

  88. }

  89. 

  90. static VALUE set_canvas_height2(VALUE self, VALUE height)

  91. {

  92.     set_canvas_height(self, height);

  93.     return self;

  94. }

  95. 

  96. static VALUE set_canvas_size(VALUE self, VALUE height, VALUE width)

  97. {

  98.     caca_set_canvas_size(_SELF, NUM2INT(width), NUM2INT(height));

  99.     return self;

  100. }

  101. 

  102. /****/

  103. 

  104. static VALUE gotoxy(VALUE self, VALUE x, VALUE y)

  105. {

  106.     if( caca_gotoxy(_SELF, NUM2INT(x), NUM2INT(y)) <0) {

  107.         rb_raise(rb_eRuntimeError, strerror(errno));

  108.     }

  109.     return self;

  110. }

  111. 

  112. static VALUE wherex(VALUE self)

  113. {

  114.     return INT2NUM(caca_wherex(_SELF));

  115. }

  116. 

  117. static VALUE wherey(VALUE self)

  118. {

  119.     return INT2NUM(caca_wherey(_SELF));

  120. }

  121. 

  122. simple_func(clear_canvas)

  123. 

  124. static VALUE put_char(VALUE self, VALUE x, VALUE y, VALUE ch)

  125. {

  126.     caca_put_char(_SELF, NUM2INT(x), NUM2INT(y), NUM2ULONG(ch));

  127.     return self;

  128. }

  129. 

  130. static VALUE get_char(VALUE self, VALUE x, VALUE y)

  131. {

  132.     unsigned long int ch;

  133.     ch = caca_get_char(_SELF, NUM2INT(x), NUM2INT(y));

  134.     return INT2NUM(ch);

  135. }

  136. 

  137. static VALUE put_str(VALUE self, VALUE x, VALUE y, VALUE str)

  138. {

  139.     caca_put_str(_SELF, NUM2INT(x), NUM2INT(y), StringValuePtr(str));

  140.     return self;

  141. }

  142. 

  143. static VALUE get_attr(VALUE self, VALUE x, VALUE y)

  144. {

  145.     unsigned long int ch;

  146.     ch = caca_get_attr(_SELF, NUM2INT(x), NUM2INT(y));

  147.     return INT2NUM(ch);

  148. }

  149. 

  150. static VALUE set_attr(VALUE self, VALUE attr)

  151. {

  152.     if(caca_set_attr(_SELF, NUM2ULONG(attr)) <0)

  153.         rb_raise(rb_eRuntimeError, strerror(errno));

  154. 

  155.     return self;

  156. }

  157. 

  158. static VALUE set_attr2(VALUE self, VALUE attr)

  159. {

  160.     set_attr(self, attr);

  161.     return self;

  162. }

  163. 

  164. static VALUE put_attr(VALUE self, VALUE x, VALUE y, VALUE attr)

  165. {

  166.     if(caca_put_attr(_SELF, NUM2INT(x), NUM2INT(y), NUM2ULONG(attr)) <0)

  167.         rb_raise(rb_eRuntimeError, strerror(errno));

  168. 

  169.     return self;

  170. }

  171. 

  172. static VALUE set_color_ansi(VALUE self, VALUE fg, VALUE bg)

  173. {

  174.     if(caca_set_color_ansi(_SELF, NUM2INT(fg), NUM2INT(bg)) <0)

  175.         rb_raise(rb_eRuntimeError, strerror(errno));

  176. 

  177.     return self;

  178. }

  179. 

  180. static VALUE set_color_argb(VALUE self, VALUE fg, VALUE bg)

  181. {

  182.     if(caca_set_color_argb(_SELF, NUM2UINT(fg), NUM2UINT(bg)) <0) {

  183.         rb_raise(rb_eRuntimeError, strerror(errno));

  184.     }

  185.     return self;

  186. }

  187. 

  188. static VALUE cprintf(int argc, VALUE* argv, VALUE self)

  189. {

  190.     int x, y;

  191.     VALUE rx, ry, format, rest, string;

  192.     rb_scan_args(argc, argv, "3*", &rx, &ry, &format, &rest);

  193.     x = NUM2INT(rx);

  194.     y = NUM2INT(ry);

  195.     string = rb_funcall2(rb_mKernel, rb_intern("sprintf"), argc-2, argv+2);

  196.     caca_put_str(_SELF, x, y, StringValuePtr(string));

  197.     return self;

  198. }

  199. 

  200. 

  201. get_int(canvas_handle_x)

  202. get_int(canvas_handle_y)

  203. 

  204. static VALUE set_canvas_handle(VALUE self, VALUE x, VALUE y)

  205. {

  206.     caca_set_canvas_handle(_SELF, NUM2INT(x), NUM2INT(y));

  207.     return self;

  208. }

  209. 

  210. static VALUE blit(int argc, VALUE* argv, VALUE self) {

  211.     VALUE x, y, src, mask;

  212.     caca_canvas_t *csrc, *cmask;

  213. 

  214.     rb_scan_args(argc, argv, "31", &x, &y, &src, &mask);

  215. 

  216.     Check_Type(x, T_FIXNUM);

  217.     Check_Type(y, T_FIXNUM);

  218. 

  219.     if(CLASS_OF(src) != cCanvas)

  220.     {

  221.         rb_raise(rb_eArgError, "src is not a Caca::Canvas");

  222.     }

  223.     Data_Get_Struct(src, caca_canvas_t, csrc);

  224. 

  225.     if(!NIL_P(mask))

  226.     {

  227.         if(CLASS_OF(mask) != cCanvas)

  228.         {

  229.             rb_raise(rb_eArgError, "mask is not a Caca::Canvas");

  230.         }

  231.         Data_Get_Struct(mask, caca_canvas_t, cmask);

  232.     }

  233.     else

  234.         cmask = NULL;

  235. 

  236.     if(caca_blit(_SELF, NUM2INT(x), NUM2INT(y), csrc, cmask)<0)

  237.         rb_raise(rb_eRuntimeError, strerror(errno));

  238. 

  239.     return self;

  240. }

  241. 

  242. static VALUE set_canvas_boundaries(VALUE self, VALUE x, VALUE y, VALUE w, VALUE h)

  243. {

  244.     if(caca_set_canvas_boundaries(_SELF, NUM2INT(x), NUM2INT(y), NUM2UINT(w), NUM2UINT(h))<0)

  245.     {

  246.         rb_raise(rb_eRuntimeError, strerror(errno));

  247.     }

  248.     return self;

  249. }

  250. 

  251. /****/

  252. 

  253. simple_func(invert)

  254. simple_func(flip)

  255. simple_func(flop)

  256. simple_func(rotate_180)

  257. simple_func(rotate_left)

  258. simple_func(rotate_right)

  259. simple_func(stretch_left)

  260. simple_func(stretch_right)

  261. 

  262. /****/

  263. 

  264. static VALUE draw_line(VALUE self, VALUE x1, VALUE y1, VALUE x2, VALUE y2, VALUE ch)

  265. {

  266.     caca_draw_line(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),NUM2ULONG(ch));

  267.     return self;

  268. }

  269. 

  270. static VALUE draw_polyline(VALUE self, VALUE points, VALUE ch)

  271. {

  272.     int i, n;

  273.     int *ax, *ay;

  274.     int error = 0;

  275.     VALUE v, x, y;

  276. 

  277.     n = RARRAY(points)->len;

  278. 

  279.     ax = (int*)malloc(n*sizeof(int));

  280.     if(!ax)

  281.         rb_raise(rb_eNoMemError,"Out of memory");

  282. 

  283.     ay = (int*)malloc(n*sizeof(int));

  284.     if(!ay)

  285.     {

  286.         free(ax);

  287.         rb_raise(rb_eNoMemError,"Out of memory");

  288.     }

  289. 

  290.     for(i=0; i<n; i++)

  291.     {

  292.         v = rb_ary_entry(points, i);

  293.         if((TYPE(v) == T_ARRAY) && (RARRAY(v)->len == 2))

  294.         {

  295.             x = rb_ary_entry(v,0);

  296.             y = rb_ary_entry(v,1);

  297.             if(rb_obj_is_kind_of(x, rb_cInteger) &&

  298.                rb_obj_is_kind_of(y, rb_cInteger))

  299.             {

  300.                 ax[i] = NUM2INT(x);

  301.                 ay[i] = NUM2INT(y);

  302.             } else

  303.                 error = 1;

  304.         }

  305.         else

  306.             error = 1;

  307.     }

  308. 

  309.     if(error)

  310.     {

  311.         free(ax);

  312.         free(ay);

  313.         rb_raise(rb_eArgError, "Invalid list of points");

  314.     }

  315. 

  316.     n--;

  317. 

  318.     caca_draw_polyline(_SELF, ax, ay, n, NUM2ULONG(ch));

  319. 

  320.     free(ax);

  321.     free(ay);

  322. 

  323.     return self;

  324. }

  325. 

  326. static VALUE draw_thin_line(VALUE self, VALUE x1, VALUE y1, VALUE x2, VALUE y2)

  327. {

  328.     caca_draw_thin_line(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2));

  329.     return self;

  330. }

  331. 

  332. static VALUE draw_thin_polyline(VALUE self, VALUE points)

  333. {

  334.     int i, n;

  335.     int *ax, *ay;

  336.     int error = 0;

  337.     VALUE v, x, y;

  338. 

  339.     n = RARRAY(points)->len;

  340. 

  341.     ax = (int*)malloc(n*sizeof(int));

  342.     if(!ax)

  343.         rb_raise(rb_eNoMemError,"Out of memory");

  344. 

  345.     ay = (int*)malloc(n*sizeof(int));

  346.     if(!ay)

  347.     {

  348.         free(ax);

  349.         rb_raise(rb_eNoMemError,"Out of memory");

  350.     }

  351. 

  352.     for(i=0; i<n; i++)

  353.     {

  354.         v = rb_ary_entry(points, i);

  355.         if((TYPE(v) == T_ARRAY) && (RARRAY(v)->len == 2))

  356.         {

  357.             x = rb_ary_entry(v,0);

  358.             y = rb_ary_entry(v,1);

  359.             if(rb_obj_is_kind_of(x, rb_cInteger) &&

  360.                rb_obj_is_kind_of(y, rb_cInteger))

  361.             {

  362.                 ax[i] = NUM2INT(x);

  363.                 ay[i] = NUM2INT(y);

  364.             } else

  365.                 error = 1;

  366.         }

  367.         else

  368.             error = 1;

  369.     }

  370. 

  371.     if(error)

  372.     {

  373.         free(ax);

  374.         free(ay);

  375.         rb_raise(rb_eArgError, "Invalid list of points");

  376.     }

  377. 

  378.     n--;

  379. 

  380.     caca_draw_thin_polyline(_SELF, ax, ay, n);

  381. 

  382.     free(ax);

  383.     free(ay);

  384. 

  385.     return self;

  386. }

  387. 

  388. static VALUE draw_circle(VALUE self, VALUE x, VALUE y, VALUE r, VALUE ch)

  389. {

  390.     caca_draw_circle(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(r), NUM2ULONG(ch));

  391.     return self;

  392. }

  393. 

  394. static VALUE draw_ellipse(VALUE self, VALUE x, VALUE y, VALUE a, VALUE b, VALUE ch)

  395. {

  396.     caca_draw_ellipse(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(a), NUM2INT(b), NUM2ULONG(ch));

  397.     return self;

  398. }

  399. 

  400. static VALUE draw_thin_ellipse(VALUE self, VALUE x, VALUE y, VALUE a, VALUE b)

  401. {

  402.     caca_draw_thin_ellipse(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(a), NUM2INT(b));

  403.     return self;

  404. }

  405. 

  406. static VALUE fill_ellipse(VALUE self, VALUE x, VALUE y, VALUE a, VALUE b, VALUE ch)

  407. {

  408.     caca_fill_ellipse(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(a), NUM2INT(b), NUM2ULONG(ch));

  409.     return self;

  410. }

  411. 

  412. static VALUE draw_box(VALUE self, VALUE x, VALUE y, VALUE w, VALUE h, VALUE ch)

  413. {

  414.     caca_draw_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h), NUM2ULONG(ch));

  415.     return self;

  416. }

  417. 

  418. static VALUE draw_thin_box(VALUE self, VALUE x, VALUE y, VALUE w, VALUE h)

  419. {

  420.     caca_draw_thin_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h));

  421.     return self;

  422. }

  423. 

  424. static VALUE draw_cp437_box(VALUE self, VALUE x, VALUE y, VALUE w, VALUE h)

  425. {

  426.     caca_draw_cp437_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h));

  427.     return self;

  428. }

  429. 

  430. static VALUE fill_box(VALUE self, VALUE x, VALUE y, VALUE w, VALUE h, VALUE ch)

  431. {

  432.     caca_fill_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h), NUM2ULONG(ch));

  433.     return self;

  434. }

  435. 

  436. static VALUE draw_triangle(VALUE self, VALUE x1, VALUE y1, VALUE x2, VALUE y2, VALUE x3, VALUE y3, VALUE ch)

  437. {

  438.     caca_draw_triangle(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),  NUM2INT(x3), NUM2INT(y3), NUM2ULONG(ch));

  439.     return self;

  440. }

  441. 

  442. static VALUE draw_thin_triangle(VALUE self, VALUE x1, VALUE y1, VALUE x2, VALUE y2, VALUE x3, VALUE y3)

  443. {

  444.     caca_draw_thin_triangle(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),  NUM2INT(x3), NUM2INT(y3));

  445.     return self;

  446. }

  447. 

  448. static VALUE fill_triangle(VALUE self, VALUE x1, VALUE y1, VALUE x2, VALUE y2, VALUE x3, VALUE y3, VALUE ch)

  449. {

  450.     caca_fill_triangle(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),  NUM2INT(x3), NUM2INT(y3), NUM2ULONG(ch));

  451.     return self;

  452. }

  453. 

  454. static VALUE dither_bitmap(VALUE self, VALUE x, VALUE y, VALUE w, VALUE h, VALUE d, VALUE pixels)

  455. {

  456.     if(CLASS_OF(d) != cDither)

  457.         rb_raise(rb_eArgError, "d is not a Caca::Dither");

  458.     Check_Type(pixels, T_STRING);

  459. 

  460.     caca_dither_bitmap(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h), DATA_PTR(d), StringValuePtr(pixels));

  461.     return self;

  462. }

  463. 

  464. /****/

  465. 

  466. get_int(frame_count)

  467. 

  468. static VALUE set_frame(VALUE self, VALUE id)

  469. {

  470.     if(caca_set_frame(_SELF, NUM2INT(id))<0)

  471.         rb_raise(rb_eArgError, strerror(errno));

  472. 

  473.     return self;

  474. }

  475. 

  476. static VALUE set_frame2(VALUE self, VALUE id)

  477. {

  478.     set_frame(self, id);

  479.     return self;

  480. }

  481. 

  482. static VALUE get_frame_name(VALUE self)

  483. {

  484.     return rb_str_new2(caca_get_frame_name(_SELF));

  485. }

  486. 

  487. static VALUE set_frame_name(VALUE self, VALUE name)

  488. {

  489.     if(caca_set_frame_name(_SELF, StringValuePtr(name))<0)

  490.         rb_raise(rb_eRuntimeError, strerror(errno));

  491. 

  492.     return self;

  493. }

  494. 

  495. static VALUE set_frame_name2(VALUE self, VALUE name)

  496. {

  497.     set_frame_name(self, name);

  498.     return self;

  499. }

  500. 

  501. static VALUE create_frame(VALUE self, VALUE id)

  502. {

  503.     if(caca_create_frame(_SELF, NUM2INT(id))<0) {

  504.         rb_raise(rb_eRuntimeError, strerror(errno));

  505.     }

  506.     return self;

  507. }

  508. 

  509. static VALUE free_frame(VALUE self, VALUE id)

  510. {

  511.     if(caca_free_frame(_SELF, NUM2INT(id))<0) {

  512.         rb_raise(rb_eArgError, strerror(errno));

  513.     }

  514.     return self;

  515. }

  516. 

  517. /****/

  518. 

  519. static VALUE render_canvas(VALUE self, VALUE font, VALUE width, VALUE height, VALUE pitch)

  520. {

  521.     void *buf;

  522.     caca_font_t *f;

  523.     VALUE b;

  524. 

  525.     if(CLASS_OF(font) != cFont)

  526.     {

  527.         rb_raise(rb_eArgError, "First argument is not a Caca::Font");

  528.     }

  529. 

  530.     buf = malloc(width*height*4);

  531.     if(buf == NULL)

  532.     {

  533.         rb_raise(rb_eNoMemError, "Out of memory");

  534.     }

  535. 

  536.     f = DATA_PTR(font);

  537.     caca_render_canvas(_SELF, f, buf, NUM2UINT(width), NUM2UINT(height), NUM2UINT(pitch));

  538. 

  539.     b = rb_str_new(buf, width*height*4);

  540.     free(buf);

  541.     return b;

  542. }

  543. 

  544. static VALUE import_from_memory(VALUE self, VALUE data, VALUE format)

  545. {

  546.     long int bytes;

  547.     bytes = caca_import_canvas_from_memory (_SELF, StringValuePtr(data), RSTRING(StringValue(data))->len, StringValuePtr(format));

  548.     if(bytes <= 0)

  549.         rb_raise(rb_eRuntimeError, strerror(errno));

  550. 

  551.     return self;

  552. }

  553. 

  554. static VALUE import_from_file(VALUE self, VALUE filename, VALUE format)

  555. {

  556.     long int bytes;

  557.     bytes = caca_import_canvas_from_file (_SELF, StringValuePtr(filename), StringValuePtr(format));

  558.     if(bytes <= 0)

  559.         rb_raise(rb_eRuntimeError, strerror(errno));

  560. 

  561.     return self;

  562. }

  563. 

  564. static VALUE export_to_memory(VALUE self, VALUE format)

  565. {

  566.     size_t bytes;

  567.     void *result;

  568.     VALUE ret;

  569.     result = caca_export_canvas_to_memory (_SELF, StringValuePtr(format), &bytes);

  570.     ret = rb_str_new(result, bytes);

  571.     free(result);

  572.     return ret;

  573. }

  574. 

  575. get_singleton_double_list(export)

  576. get_singleton_double_list(import)

  577. 

  578. /****/

  579. 

  580. void Init_caca_canvas(VALUE mCaca)

  581. {

  582.     cCanvas = rb_define_class_under(mCaca, "Canvas", rb_cObject);

  583.     rb_define_alloc_func(cCanvas, canvas_alloc);

  584. 

  585.     rb_define_method(cCanvas, "initialize", canvas_initialize, 2);

  586.     rb_define_method(cCanvas, "width", get_canvas_width, 0);

  587.     rb_define_method(cCanvas, "width=", set_canvas_width, 1);

  588.     rb_define_method(cCanvas, "set_width", set_canvas_width2, 1);

  589.     rb_define_method(cCanvas, "height", get_canvas_height, 0);

  590.     rb_define_method(cCanvas, "height=", set_canvas_height, 1);

  591.     rb_define_method(cCanvas, "set_height", set_canvas_height2, 1);

  592.     rb_define_method(cCanvas, "set_size", set_canvas_size, 2);

  593. 

  594.     rb_define_method(cCanvas, "gotoxy", gotoxy, 2);

  595.     rb_define_method(cCanvas, "wherex", wherex, 0);

  596.     rb_define_method(cCanvas, "wherey", wherey, 0);

  597.     rb_define_method(cCanvas, "handle_x", get_canvas_handle_x, 0);

  598.     rb_define_method(cCanvas, "handle_y", get_canvas_handle_y, 0);

  599.     rb_define_method(cCanvas, "set_handle", set_canvas_handle, 2);

  600.     rb_define_method(cCanvas, "blit", blit, -1);

  601.     rb_define_method(cCanvas, "set_boundaries", set_canvas_boundaries, 4);

  602. 

  603.     rb_define_method(cCanvas, "clear", clear_canvas, 0);

  604. 

  605.     rb_define_method(cCanvas, "put_char", put_char, 3);

  606.     rb_define_method(cCanvas, "get_char", get_char, 2);

  607.     rb_define_method(cCanvas, "put_str", put_str, 3);

  608.     rb_define_method(cCanvas, "printf", cprintf, -1);

  609. 

  610.     rb_define_method(cCanvas, "get_attr", get_attr, 3);

  611.     rb_define_method(cCanvas, "attr=", set_attr, 1);

  612.     rb_define_method(cCanvas, "set_attr", set_attr2, 1);

  613.     rb_define_method(cCanvas, "put_attr", put_attr, 3);

  614.     rb_define_method(cCanvas, "set_color_ansi", set_color_ansi, 2);

  615.     rb_define_method(cCanvas, "set_color_argb", set_color_argb, 2);

  616. 

  617.     rb_define_method(cCanvas, "invert", invert, 0);

  618.     rb_define_method(cCanvas, "flip", flip, 0);

  619.     rb_define_method(cCanvas, "flop", flop, 0);

  620.     rb_define_method(cCanvas, "rotate_180", rotate_180, 0);

  621.     rb_define_method(cCanvas, "rotate_left", rotate_left, 0);

  622.     rb_define_method(cCanvas, "rotate_right", rotate_right, 0);

  623.     rb_define_method(cCanvas, "stretch_left", stretch_left, 0);

  624.     rb_define_method(cCanvas, "stretch_right", stretch_right, 0);

  625. 

  626.     rb_define_method(cCanvas, "draw_line", draw_line, 5);

  627.     rb_define_method(cCanvas, "draw_polyline", draw_polyline, 2);

  628.     rb_define_method(cCanvas, "draw_thin_line", draw_thin_line, 4);

  629.     rb_define_method(cCanvas, "draw_thin_polyline", draw_thin_polyline, 1);

  630.     rb_define_method(cCanvas, "draw_circle", draw_circle, 4);

  631.     rb_define_method(cCanvas, "draw_ellipse", draw_ellipse, 5);

  632.     rb_define_method(cCanvas, "draw_thin_ellipse", draw_thin_ellipse, 4);

  633.     rb_define_method(cCanvas, "fill_ellipse", fill_ellipse, 5);

  634.     rb_define_method(cCanvas, "draw_box", draw_box, 5);

  635.     rb_define_method(cCanvas, "draw_thin_box", draw_thin_box, 4);

  636.     rb_define_method(cCanvas, "draw_cp437_box", draw_cp437_box, 4);

  637.     rb_define_method(cCanvas, "fill_box", fill_box, 5);

  638.     rb_define_method(cCanvas, "draw_triangle", draw_triangle, 7);

  639.     rb_define_method(cCanvas, "draw_thin_triangle", draw_thin_triangle, 6);

  640.     rb_define_method(cCanvas, "fill_triangle", fill_triangle, 7);

  641.     rb_define_method(cCanvas, "dither_bitmap", dither_bitmap, 6);

  642. 

  643.     rb_define_method(cCanvas, "frame_count", get_frame_count, 0);

  644.     rb_define_method(cCanvas, "frame=", set_frame, 1);

  645.     rb_define_method(cCanvas, "set_frame", set_frame2, 1);

  646.     rb_define_method(cCanvas, "frame_name", get_frame_name, 0);

  647.     rb_define_method(cCanvas, "frame_name=", set_frame_name, 1);

  648.     rb_define_method(cCanvas, "set_frame_name", set_frame_name2, 1);

  649.     rb_define_method(cCanvas, "create_frame", create_frame, 1);

  650.     rb_define_method(cCanvas, "free_frame", free_frame, 1);

  651. 

  652.     rb_define_method(cCanvas, "render", render_canvas, 4);

  653.     rb_define_method(cCanvas, "import_from_memory", import_from_memory, 2);

  654.     rb_define_method(cCanvas, "import_from_file", import_from_file, 2);

  655.     rb_define_method(cCanvas, "export_to_memory", export_to_memory, 1);

  656.     rb_define_singleton_method(cCanvas, "export_list", export_list, 0);

  657.     rb_define_singleton_method(cCanvas, "import_list", import_list, 0);

  658. }