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libcaca/ruby/cucul-canvas.c

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  1. /*

  2.  *  libcucul 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 <cucul.h>

  14. #include <errno.h>

  15. #include "cucul-dither.h"

  16. #include "cucul-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( cucul_##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(cucul_get_##x (_SELF));              \

  34. }

  35. 

  36. static void canvas_free(void * p)

  37. {

  38.     cucul_free_canvas((cucul_canvas_t *)p);

  39. }

  40. 

  41. static VALUE canvas_alloc(VALUE klass)

  42. {

  43.     VALUE obj;    

  44.     obj = Data_Wrap_Struct(klass, 0, canvas_free, NULL);

  45.     return obj;

  46. }

  47. 

  48. VALUE canvas_create(cucul_canvas_t *canvas)

  49. {

  50.     return Data_Wrap_Struct(cCanvas, 0, canvas_free, canvas);

  51. }

  52. 

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

  54. {

  55.     cucul_canvas_t *canvas;

  56. 

  57.     canvas = cucul_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.     cucul_set_canvas_size(_SELF, NUM2INT(width), cucul_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.     cucul_set_canvas_size(_SELF, cucul_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.     cucul_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( cucul_gotoxy(_SELF, NUM2INT(x), NUM2INT(y)) <0) {

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

  108.     }

  109.     return self;

  110. }

  111. 

  112. get_int(cursor_x)

  113. get_int(cursor_y)

  114. 

  115. simple_func(clear_canvas)

  116. 

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

  118. {

  119.     cucul_put_char(_SELF, NUM2INT(x), NUM2INT(y), NUM2ULONG(ch));

  120.     return self;

  121. }

  122. 

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

  124. {

  125.     unsigned long int ch;

  126.     ch = cucul_get_char(_SELF, NUM2INT(x), NUM2INT(y));

  127.     return INT2NUM(ch);

  128. }

  129. 

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

  131. {

  132.     cucul_put_str(_SELF, NUM2INT(x), NUM2INT(y), StringValuePtr(str));

  133.     return self;

  134. }

  135. 

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

  137. {

  138.     unsigned long int ch;

  139.     ch = cucul_get_attr(_SELF, NUM2INT(x), NUM2INT(y));

  140.     return INT2NUM(ch);

  141. }

  142. 

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

  144. {

  145.     if(cucul_set_attr(_SELF, NUM2ULONG(attr)) <0)

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

  147. 

  148.     return self;

  149. }

  150. 

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

  152. {

  153.     set_attr(self, attr);

  154.     return self;

  155. }

  156. 

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

  158. {

  159.     if(cucul_put_attr(_SELF, NUM2INT(x), NUM2INT(y), NUM2ULONG(attr)) <0)

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

  161. 

  162.     return self;

  163. }

  164. 

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

  166. {

  167.     if(cucul_set_color_ansi(_SELF, NUM2INT(fg), NUM2INT(bg)) <0)

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

  169. 

  170.     return self;

  171. }

  172. 

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

  174. {

  175.     if(cucul_set_color_argb(_SELF, NUM2UINT(fg), NUM2UINT(bg)) <0) {

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

  177.     }

  178.     return self;

  179. }

  180. 

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

  182. {

  183.     int x, y;

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

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

  186.     x = NUM2INT(rx);

  187.     y = NUM2INT(ry);

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

  189.     cucul_put_str(_SELF, x, y, StringValuePtr(string));

  190.     return self;

  191. }

  192. 

  193. 

  194. get_int(canvas_handle_x)

  195. get_int(canvas_handle_y)

  196. 

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

  198. {

  199.     cucul_set_canvas_handle(_SELF, NUM2INT(x), NUM2INT(y));

  200.     return self;

  201. }

  202. 

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

  204.     VALUE x, y, src, mask;

  205.     cucul_canvas_t *csrc, *cmask;

  206. 

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

  208. 

  209.     Check_Type(x, T_FIXNUM);

  210.     Check_Type(y, T_FIXNUM);

  211. 

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

  213.     {

  214.         rb_raise(rb_eArgError, "src is not a Cucul::Canvas");

  215.     }

  216.     Data_Get_Struct(src, cucul_canvas_t, csrc);

  217. 

  218.     if(!NIL_P(mask))

  219.     {

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

  221.         {

  222.             rb_raise(rb_eArgError, "mask is not a Cucul::Canvas");

  223.         }

  224.         Data_Get_Struct(mask, cucul_canvas_t, cmask);

  225.     }

  226.     else

  227.         cmask = NULL;

  228.     

  229.     if(cucul_blit(_SELF, NUM2INT(x), NUM2INT(y), csrc, cmask)<0)

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

  231. 

  232.     return self;

  233. }

  234. 

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

  236. {

  237.     if(cucul_set_canvas_boundaries(_SELF, NUM2INT(x), NUM2INT(y), NUM2UINT(w), NUM2UINT(h))<0)

  238.     {

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

  240.     }

  241.     return self;

  242. }

  243. 

  244. /****/

  245. 

  246. simple_func(invert)

  247. simple_func(flip)

  248. simple_func(flop)

  249. simple_func(rotate_180)

  250. simple_func(rotate_left)

  251. simple_func(rotate_right)

  252. simple_func(stretch_left)

  253. simple_func(stretch_right)

  254. 

  255. /****/

  256. 

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

  258. {

  259.     cucul_draw_line(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),NUM2ULONG(ch));

  260.     return self;

  261. }

  262. 

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

  264. {

  265.     int i, n;

  266.     int *ax, *ay;

  267.     int error = 0;

  268.     VALUE v, x, y;

  269. 

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

  271. 

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

  273.     if(!ax)

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

  275. 

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

  277.     if(!ay)

  278.     {

  279.         free(ax);

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

  281.     }

  282. 

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

  284.     {

  285.         v = rb_ary_entry(points, i);

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

  287.         {

  288.             x = rb_ary_entry(v,0);

  289.             y = rb_ary_entry(v,1);

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

  291.                rb_obj_is_kind_of(y, rb_cInteger))

  292.             {

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

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

  295.             } else

  296.                 error = 1;

  297.         }

  298. 	else

  299.             error = 1;

  300.     }

  301. 

  302.     if(error)

  303.     {

  304.         free(ax);

  305.         free(ay);

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

  307.     }

  308. 

  309.     n--;

  310. 

  311.     cucul_draw_polyline(_SELF, ax, ay, n, NUM2ULONG(ch));

  312. 

  313.     free(ax);

  314.     free(ay);

  315. 

  316.     return self;

  317. }

  318. 

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

  320. {

  321.     cucul_draw_thin_line(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2));

  322.     return self;

  323. }

  324. 

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

  326. {

  327.     int i, n;

  328.     int *ax, *ay;

  329.     int error = 0;

  330.     VALUE v, x, y;

  331. 

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

  333. 

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

  335.     if(!ax)

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

  337. 

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

  339.     if(!ay)

  340.     {

  341.         free(ax);

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

  343.     }

  344. 

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

  346.     {

  347.         v = rb_ary_entry(points, i);

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

  349.         {

  350.             x = rb_ary_entry(v,0);

  351.             y = rb_ary_entry(v,1);

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

  353.                rb_obj_is_kind_of(y, rb_cInteger))

  354.             {

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

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

  357.             } else

  358.                 error = 1;

  359.         }

  360. 	else

  361.             error = 1;

  362.     }

  363. 

  364.     if(error)

  365.     {

  366.         free(ax);

  367.         free(ay);

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

  369.     }

  370. 

  371.     n--;

  372. 

  373.     cucul_draw_thin_polyline(_SELF, ax, ay, n);

  374. 

  375.     free(ax);

  376.     free(ay);

  377. 

  378.     return self;

  379. }

  380. 

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

  382. {

  383.     cucul_draw_circle(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(r), NUM2ULONG(ch));

  384.     return self;

  385. }

  386. 

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

  388. {

  389.     cucul_draw_ellipse(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(a), NUM2INT(b), NUM2ULONG(ch));

  390.     return self;

  391. }

  392. 

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

  394. {

  395.     cucul_draw_thin_ellipse(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(a), NUM2INT(b));

  396.     return self;

  397. }

  398. 

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

  400. {

  401.     cucul_fill_ellipse(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(a), NUM2INT(b), NUM2ULONG(ch));

  402.     return self;

  403. }

  404. 

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

  406. {

  407.     cucul_draw_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h), NUM2ULONG(ch));

  408.     return self;

  409. }

  410. 

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

  412. {

  413.     cucul_draw_thin_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h));

  414.     return self;

  415. }

  416. 

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

  418. {

  419.     cucul_draw_cp437_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h));

  420.     return self;

  421. }

  422. 

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

  424. {

  425.     cucul_fill_box(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h), NUM2ULONG(ch));

  426.     return self;

  427. }

  428. 

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

  430. {

  431.     cucul_draw_triangle(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),  NUM2INT(x3), NUM2INT(y3), NUM2ULONG(ch));

  432.     return self;

  433. }

  434. 

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

  436. {

  437.     cucul_draw_thin_triangle(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),  NUM2INT(x3), NUM2INT(y3));

  438.     return self;

  439. }

  440. 

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

  442. {

  443.     cucul_fill_triangle(_SELF, NUM2INT(x1), NUM2INT(y1), NUM2INT(x2), NUM2INT(y2),  NUM2INT(x3), NUM2INT(y3), NUM2ULONG(ch));

  444.     return self;

  445. }

  446. 

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

  448. {

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

  450.         rb_raise(rb_eArgError, "d is not a Cucul::Dither");

  451.     Check_Type(pixels, T_STRING);

  452. 

  453.     cucul_dither_bitmap(_SELF, NUM2INT(x), NUM2INT(y), NUM2INT(w), NUM2INT(h), DATA_PTR(d), StringValuePtr(pixels));

  454.     return self;

  455. }

  456. 

  457. /****/

  458. 

  459. get_int(frame_count)

  460. 

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

  462. {

  463.     if(cucul_set_frame(_SELF, NUM2INT(id))<0)

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

  465. 

  466.     return self;

  467. }

  468. 

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

  470. {

  471.     set_frame(self, id);

  472.     return self;

  473. }

  474. 

  475. static VALUE get_frame_name(VALUE self)

  476. {

  477.     return rb_str_new2(cucul_get_frame_name(_SELF));

  478. }

  479. 

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

  481. {

  482.     if(cucul_set_frame_name(_SELF, StringValuePtr(name))<0)

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

  484. 

  485.     return self;

  486. }

  487. 

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

  489. {

  490.     set_frame_name(self, name);

  491.     return self;

  492. }

  493. 

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

  495. {

  496.     if(cucul_create_frame(_SELF, NUM2INT(id))<0) {

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

  498.     }

  499.     return self;

  500. }

  501. 

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

  503. {

  504.     if(cucul_free_frame(_SELF, NUM2INT(id))<0) {

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

  506.     }

  507.     return self;

  508. }

  509. 

  510. /****/

  511. 

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

  513. {

  514.     void *buf;

  515.     cucul_font_t *f;

  516.     VALUE b;

  517. 

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

  519.     {

  520.         rb_raise(rb_eArgError, "First argument is not a Cucul::Font");

  521.     }

  522. 

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

  524.     if(buf == NULL)

  525.     {

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

  527.     }

  528. 

  529.     f = DATA_PTR(font);

  530.     cucul_render_canvas(_SELF, f, buf, NUM2UINT(width), NUM2UINT(height), NUM2UINT(pitch));

  531. 

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

  533.     free(buf);

  534.     return b;

  535. }

  536. 

  537. static VALUE import_memory(VALUE self, VALUE data, VALUE format)

  538. {

  539.     long int bytes;

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

  541.     if(bytes <= 0)

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

  543. 

  544.     return self;

  545. }

  546. 

  547. static VALUE import_file(VALUE self, VALUE filename, VALUE format)

  548. {

  549.     long int bytes;

  550.     bytes = cucul_import_file (_SELF, StringValuePtr(filename), StringValuePtr(format));

  551.     if(bytes <= 0)

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

  553. 

  554.     return self;

  555. }

  556. 

  557. static VALUE export_memory(VALUE self, VALUE format)

  558. {

  559.     unsigned long int bytes;

  560.     void *result;

  561.     VALUE ret;

  562.     result = cucul_export_memory (_SELF, StringValuePtr(format), &bytes);

  563.     ret = rb_str_new(result, bytes);

  564.     free(result);

  565.     return ret;

  566. }

  567. 

  568. get_singleton_double_list(export)

  569. get_singleton_double_list(import)

  570. 

  571. /****/

  572. 

  573. void Init_cucul_canvas(VALUE mCucul)

  574. {

  575.     cCanvas = rb_define_class_under(mCucul, "Canvas", rb_cObject);

  576.     rb_define_alloc_func(cCanvas, canvas_alloc);

  577. 

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

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

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

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

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

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

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

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

  586.         

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

  588.     rb_define_method(cCanvas, "cursor_x", get_cursor_x, 0);

  589.     rb_define_method(cCanvas, "cursor_y", get_cursor_y, 0);

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

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

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

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

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

  595. 

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

  597.     

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

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

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

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

  602. 

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

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

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

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

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

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

  609. 

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

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

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

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

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

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

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

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

  618. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  635. 

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

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

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

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

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

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

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

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

  644. 

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

  646.     rb_define_method(cCanvas, "import_memory", import_memory, 2);

  647.     rb_define_method(cCanvas, "import_file", import_file, 2);

  648.     rb_define_method(cCanvas, "export_memory", export_memory, 1);

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

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

  651.    

  652. }