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source: libcaca/trunk/caca-php/examples/demo.php @ 3173
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Last change on this file since 3173 was 3173, checked in by nico, 12 years ago
Remove 'c' (color) and 'r' (render) options of the main menu in demo.php
File size: 11.1 KB

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1	#!/usr/bin/php5
2	<?php
3	/*
4	* demo.php demo for libcaca php binding
5	* Copyright (c) 2008 Nicolas Vion <nico@yojik.eu>
6	*
7	* This file is a Php port of the official libcaca's sample program "demo.c"
8	* which is:
9	* Copyright (c) 2003 Sam Hocevar <sam@zoy.org>
10	*
11	* This program is free software. It comes without any warranty, to
12	* the extent permitted by applicable law. You can redistribute it
13	* and/or modify it under the terms of the Do What The Fuck You Want
14	* To Public License, Version 2, as published by Sam Hocevar. See
15	* http://sam.zoy.org/wtfpl/COPYING for more details.
16	*/
17
18	function main() {
19	$cv = caca_create_canvas(0, 0);
20	if (!$cv) {
21	die("Error while creating canvas\n");
22	}
23
24	$dp = caca_create_display($cv);
25	if (!$dp) {
26	die("Error while attaching canvas to display\n");
27	}
28
29	caca_set_display_time($dp, 40000);
30
31	/* Disable X cursor */
32	caca_set_mouse($dp, 0);
33
34	/* Main menu */
35	display_menu($cv, $dp, $bounds, $outline);
36
37	/* Go ! */
38	$bounds = $outline = $dithering = 0;
39	$need_refresh = false;
40	while(!$quit) {
41	while ($ev = caca_get_event($dp, CACA_EVENT_ANY, 1000)) {
42	if (caca_get_event_type($ev) & CACA_EVENT_KEY_PRESS) {
43	switch (caca_get_event_key_ch($ev)) {
44	case ord('q'):
45	case ord('Q'):
46	case CACA_KEY_ESCAPE:
47	$demo = false;
48	$quit = 1;
49	break;
50	case ord('o'):
51	case ord('O'):
52	$outline = ($outline + 1) % 3;
53	display_menu($cv, $dp, $bounds, $outline);
54	break;
55	case ord('b'):
56	case ord('B'):
57	$bounds = ($bounds + 1) % 2;
58	display_menu($cv, $dp, $bounds, $outline);
59	break;
60	case ord('d'):
61	case ord('D'):
62	$dithering = ($dithering + 1) % 5;
63	caca_set_feature($cv, $dithering);
64	display_menu($cv, $dp, $bounds, $outline);
65	break;
66	case ord('f'):
67	case ord('F'):
68	demo_go($dp, "demo_all", $cv, $bounds, $outline);
69	break;
70	case ord('1'):
71	demo_go($dp, "demo_dots", $cv, $bounds, $outline);
72	break;
73	case ord('2'):
74	demo_go($dp, "demo_lines", $cv, $bounds, $outline);
75	break;
76	case ord('3'):
77	demo_go($dp, "demo_boxes", $cv, $bounds, $outline);
78	break;
79	case ord('4'):
80	demo_go($dp, "demo_triangles", $cv, $bounds, $outline);
81	break;
82	case ord('5'):
83	demo_go($dp, "demo_ellipses", $cv, $bounds, $outline);
84	break;
85	case ord('s'):
86	case ord('S'):
87	demo_go($dp, "demo_sprites", $cv, $bounds, $outline);
88	break;
89	case ord('r'):
90	case ord('R'):
91	demo_go($dp, "demo_render", $cv, $bounds, $outline);
92	break;
93	}
94	}
95	else if(caca_get_event_type($ev) & CACA_EVENT_MOUSE_MOTION) {
96	$x = caca_get_event_mouse_x($ev);
97	$y = caca_get_event_mouse_y($ev);
98	display_menu($cv, $dp, $bounds, $outline, false);
99	caca_set_color_ansi($cv, CACA_RED, CACA_BLACK);
100	caca_put_str($cv, $x, $y, ".");
101	caca_put_str($cv, $x, $y + 1, "\|\\");
102	$need_refresh = true;
103	}
104	else if(caca_get_event_type($ev) & CACA_EVENT_RESIZE) {
105	display_menu($cv, $dp, $bounds, $outline);
106	}
107	}
108
109	if ($need_refresh) {
110	caca_refresh_display($dp);
111	$need_refresh = false;
112	}
113	}
114	}
115
116	function display_menu($cv, $dp, $bounds, $outline, $refresh = true) {
117	$xo = caca_get_canvas_width($cv) - 2;
118	$yo = caca_get_canvas_height($cv) - 2;
119
120	caca_set_color_ansi($cv, CACA_LIGHTGRAY, CACA_BLACK);
121	caca_clear_canvas($cv);
122	caca_draw_thin_box($cv, 1, 1, $xo, $yo);
123
124	caca_put_str($cv, ($xo - strlen("libcaca demo")) / 2, 3, "libcaca demo");
125	caca_put_str($cv, ($xo - strlen("==============")) / 2, 4, "==============");
126
127	caca_put_str($cv, 4, 6, "demos:");
128	caca_put_str($cv, 4, 7, "'f': full");
129	caca_put_str($cv, 4, 8, "'1': dots");
130	caca_put_str($cv, 4, 9, "'2': lines");
131	caca_put_str($cv, 4, 10, "'3': boxes");
132	caca_put_str($cv, 4, 11, "'4': triangles");
133	caca_put_str($cv, 4, 12, "'5': ellipses");
134	// caca_put_str($cv, 4, 13, "'c': colour");
135	// caca_put_str($cv, 4, 14, "'r': render");
136
137	if ($sprite)
138	caca_put_str($cv, 4, 15, "'s': sprites");
139
140	caca_put_str($cv, 4, 16, "settings:");
141	caca_put_str($cv, 4, 17, "'o': outline: ".(($outline == 0) ? "none" : (($outline == 1) ? "solid" : "thin")));
142	caca_put_str($cv, 4, 18, "'b': drawing boundaries: ".(($bounds == 0) ? "screen" : "infinite"));
143	caca_put_str($cv, 4, $yo - 2, "'q': quit");
144
145	if ($refresh)
146	caca_refresh_display($dp);
147	}
148
149	function demo_go($dp, $demo, $cv, $bounds, $outline) {
150	caca_set_color_ansi($cv, CACA_LIGHTGRAY, CACA_BLACK);
151	caca_clear_canvas($cv);
152
153	while (!caca_get_event($dp, CACA_EVENT_KEY_PRESS)) {
154	if (function_exists($demo))
155	$demo($cv, $bounds, $outline);
156
157	caca_set_color_ansi($cv, CACA_LIGHTGRAY, CACA_BLACK);
158	caca_draw_thin_box($cv, 1, 1, caca_get_canvas_width($cv) - 2, caca_get_canvas_height($cv) - 2);
159	$rate = sprintf("%01.2f", 1000000 / caca_get_display_time($dp));
160	caca_put_str($cv, 4, 1, "[$rate fps]----");
161	caca_refresh_display($dp);
162	}
163
164	display_menu($cv, $dp, $bounds, $outline);
165	caca_refresh_display($dp);
166	}
167
168
169	function demo_all($cv, $bounds, $outline) {
170	global $i;
171
172	$i++;
173
174	caca_set_color_ansi($cv, CACA_LIGHTGRAY, CACA_BLACK);
175	caca_clear_canvas($cv);
176
177	/* Draw the sun */
178	caca_set_color_ansi($cv, CACA_YELLOW, CACA_BLACK);
179	$xo = caca_get_canvas_width($cv) / 4;
180	$yo = caca_get_canvas_height($cv) / 4 + 5 * sin(0.03 * $i);
181
182	for ($j = 0; $j < 16; $j++) {
183	$xa = $xo - (30 + sin(0.03 * $i) * 8) * sin(0.03 * $i + M_PI * $j / 8);
184	$ya = $yo + (15 + sin(0.03 * $i) * 4) * cos(0.03 * $i + M_PI * $j / 8);
185	caca_draw_thin_line($cv, $xo, $yo, $xa, $ya);
186	}
187
188	$j = 15 + sin(0.03 * $i) * 8;
189	caca_set_color_ansi($cv, CACA_WHITE, CACA_BLACK);
190	caca_fill_ellipse($cv, $xo, $yo, $j, $j / 2, ord('#'));
191	caca_set_color_ansi($cv, CACA_YELLOW, CACA_BLACK);
192	caca_draw_ellipse($cv, $xo, $yo, $j, $j / 2, ord('#'));
193
194	/* Draw the pyramid */
195	$xo = caca_get_canvas_width($cv) * 5 / 8;
196	$yo = 2;
197
198	$xa = caca_get_canvas_width($cv) / 8 + sin(0.03 * $i) * 5;
199	$ya = caca_get_canvas_height($cv) / 2 + cos(0.03 * $i) * 5;
200
201	$xb = caca_get_canvas_width($cv) - 10 - cos(0.02 * $i) * 10;
202	$yb = caca_get_canvas_height($cv) * 3 / 4 - 5 + sin(0.02 * $i) * 5;
203
204	$xc = caca_get_canvas_width($cv) / 4 - sin(0.02 * $i) * 5;
205	$yc = caca_get_canvas_height($cv) * 3 / 4 + cos(0.02 * $i) * 5;
206
207	caca_set_color_ansi($cv, CACA_GREEN, CACA_BLACK);
208	caca_fill_triangle($cv, $xo, $yo, $xb, $yb, $xa, $ya, ord('%'));
209	caca_set_color_ansi($cv, CACA_YELLOW, CACA_BLACK);
210	caca_draw_thin_triangle($cv, $xo, $yo, $xb, $yb, $xa, $ya);
211
212	caca_set_color_ansi($cv, CACA_RED, CACA_BLACK);
213	caca_fill_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc, ord('#'));
214	caca_set_color_ansi($cv, CACA_YELLOW, CACA_BLACK);
215	caca_draw_thin_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc);
216
217	caca_set_color_ansi($cv, CACA_BLUE, CACA_BLACK);
218	caca_fill_triangle($cv, $xo, $yo, $xb, $yb, $xc, $yc, ord('%'));
219	caca_set_color_ansi($cv, CACA_YELLOW, CACA_BLACK);
220	caca_draw_thin_triangle($cv, $xo, $yo, $xb, $yb, $xc, $yc);
221
222	/* Draw a background triangle */
223	$xa = 2;
224	$ya = 2;
225
226	$xb = caca_get_canvas_width($cv) - 3;
227	$yb = caca_get_canvas_height($cv) / 2;
228
229	$xc = caca_get_canvas_width($cv) / 3;
230	$yc = caca_get_canvas_height($cv) - 3;
231
232	caca_set_color_ansi($cv, CACA_CYAN, CACA_BLACK);
233	caca_draw_thin_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc);
234
235	$xo = caca_get_canvas_width($cv) / 2 + cos(0.027 * $i) * caca_get_canvas_width($cv) / 3;
236	$yo = caca_get_canvas_height($cv) / 2 - sin(0.027 * $i) * caca_get_canvas_height($cv) / 2;
237
238	caca_draw_thin_line($cv, $xa, $ya, $xo, $yo);
239	caca_draw_thin_line($cv, $xb, $yb, $xo, $yo);
240	caca_draw_thin_line($cv, $xc, $yc, $xo, $yo);
241
242	/* Draw a trail behind the foreground sprite */
243	for($j = $i - 60; $j < $i; $j++) {
244	$delta = caca_rand(-5, 6);
245	caca_set_color_ansi($cv, caca_rand(0, 16), caca_rand(0, 16));
246	caca_put_char($cv,
247	caca_get_canvas_width($cv) / 2 + cos(0.02 * $j) * ($delta + caca_get_canvas_width($cv) / 4),
248	caca_get_canvas_height($cv) / 2 + sin(0.02 * $j) * ($delta + caca_get_canvas_height($cv) / 3),
249	ord('#'));
250	}
251	}
252
253	function demo_dots($cv, $bounds, $outline) {
254	$xmax = caca_get_canvas_width($cv);
255	$ymax = caca_get_canvas_height($cv);
256
257	$chars = array('+', '-', '*', '#', 'X', '@', '%', '$', 'M', 'W');
258
259	for ($i = 1000; $i--;) {
260	/* Putpixel */
261	caca_set_color_ansi($cv, caca_rand(0, 16), caca_rand(0, 16));
262	caca_put_char($cv, caca_rand(0, $xmax), caca_rand(0, $ymax), ord($chars[caca_rand(0, 9)]));
263	}
264	}
265
266	function demo_lines($cv, $bounds, $outline) {
267	$w = caca_get_canvas_width($cv);
268	$h = caca_get_canvas_height($cv);
269
270	if ($bounds) {
271	$xa = caca_rand(- $w, 2 * $w); $ya = caca_rand(- $h, 2 * $h);
272	$xb = caca_rand(- $w, 2 * $w); $yb = caca_rand(- $h, 2 * $h);
273	}
274	else {
275	$xa = caca_rand(0, $w); $ya = caca_rand(0, $h);
276	$xb = caca_rand(0, $w); $yb = caca_rand(0, $h);
277	}
278
279	caca_set_color_ansi($cv, caca_rand(0, 16), CACA_BLACK);
280	if ($outline > 1)
281	caca_draw_thin_line($cv, $xa, $ya, $xb, $yb);
282	else
283	caca_draw_line($cv, $xa, $ya, $xb, $yb, ord('#'));
284	}
285
286	function demo_boxes($cv, $bounds, $outline) {
287	$w = caca_get_canvas_width($cv);
288	$h = caca_get_canvas_height($cv);
289
290	if ($bounds) {
291	$xa = caca_rand(- $w, 2 * $w); $ya = caca_rand(- $h, 2 * $h);
292	$xb = caca_rand(- $w, 2 * $w); $yb = caca_rand(- $h, 2 * $h);
293	}
294	else {
295	$xa = caca_rand(0, $w); $ya = caca_rand(0, $h);
296	$xb = caca_rand(0, $w); $yb = caca_rand(0, $h);
297	}
298
299	caca_set_color_ansi($cv, caca_rand(0, 16), caca_rand(0, 16));
300	caca_fill_box($cv, $xa, $ya, $xb, $yb, ord('#'));
301
302	caca_set_color_ansi($cv, caca_rand(0, 16), CACA_BLACK);
303	if($outline == 2)
304	caca_draw_thin_box($cv, $xa, $ya, $xb, $yb);
305	else if($outline == 1)
306	caca_draw_box($cv, $xa, $ya, $xb, $yb, ord('#'));
307	}
308
309	function demo_ellipses($cv, $bounds, $outline) {
310	$w = caca_get_canvas_width($cv);
311	$h = caca_get_canvas_height($cv);
312
313	if ($bounds) {
314	$x = caca_rand(- $w, 2 * $w); $y = caca_rand(- $h, 2 * $h);
315	$a = caca_rand(0, $w); $b = caca_rand(0, $h);
316	}
317	else {
318	do {
319	$x = caca_rand(0, $w); $y = caca_rand(0, $h);
320	$a = caca_rand(0, $w); $b = caca_rand(0, $h);
321	} while ($x - $a < 0 \|\| $x + $a >= $w \|\| $y - $b < 0 \|\| $y + $b >= $h);
322	}
323
324	caca_set_color_ansi($cv, caca_rand(0, 16), caca_rand(0, 16));
325	caca_fill_ellipse($cv, $x, $y, $a, $b, ord('#'));
326
327	caca_set_color_ansi($cv, caca_rand(0, 16), CACA_BLACK);
328	if ($outline == 2)
329	caca_draw_thin_ellipse($cv, $x, $y, $a, $b);
330	else if ($outline == 1)
331	caca_draw_ellipse($cv, $x, $y, $a, $b, ord('#'));
332	}
333
334	function demo_triangles($cv, $bounds, $outline) {
335	$w = caca_get_canvas_width($cv);
336	$h = caca_get_canvas_height($cv);
337
338	if ($bounds) {
339	$xa = caca_rand(- $w, 2 * $w); $ya = caca_rand(- $h, 2 * $h);
340	$xb = caca_rand(- $w, 2 * $w); $yb = caca_rand(- $h, 2 * $h);
341	$xc = caca_rand(- $w, 2 * $w); $yc = caca_rand(- $h, 2 * $h);
342	}
343	else {
344	$xa = caca_rand(0, $w); $ya = caca_rand(0, $h);
345	$xb = caca_rand(0, $w); $yb = caca_rand(0, $h);
346	$xc = caca_rand(0, $w); $yc = caca_rand(0, $h);
347	}
348
349	caca_set_color_ansi($cv, caca_rand(0, 16), caca_rand(0, 16));
350	caca_fill_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc, ord('#'));
351
352	caca_set_color_ansi($cv, caca_rand(0, 16), CACA_BLACK);
353	if ($outline == 2)
354	caca_draw_thin_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc);
355	else if ($outline == 1)
356	caca_draw_triangle($cv, $xa, $ya, $xb, $yb, $xc, $yc, ord('#'));
357	}
358
359	function demo_render($cv, $bounds, $outline) {
360	}
361
362	main();
363
364	?>

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