source: mainline/uspace/app/gfxdemo/gfxdemo.c@ 0008c0f

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 0008c0f was 0008c0f, checked in by Jiri Svoboda <jiri@…>, 6 years ago

Bitmaps in IPC GC and in display server
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File size: 7.4 KB
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1/*
2 * Copyright (c) 2019 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup gfxdemo
30 * @{
31 */
32/** @file Graphic demo
33 */
34
35#include <canvas.h>
36#include <congfx/console.h>
37#include <draw/surface.h>
38#include <display.h>
39#include <fibril.h>
40#include <guigfx/canvas.h>
41#include <gfx/bitmap.h>
42#include <gfx/color.h>
43#include <gfx/render.h>
44#include <io/console.h>
45#include <io/pixelmap.h>
46#include <stdlib.h>
47#include <str.h>
48#include <window.h>
49
50/** Run rectangle demo on a graphic context.
51 *
52 * @param gc Graphic context
53 * @param w Width
54 * @param h Height
55 */
56static errno_t demo_rects(gfx_context_t *gc, gfx_coord_t w, gfx_coord_t h)
57{
58 gfx_color_t *color = NULL;
59 gfx_rect_t rect;
60 int i, j;
61 errno_t rc;
62
63 for (j = 0; j < 10; j++) {
64 rc = gfx_color_new_rgb_i16(rand() % 0x10000, rand() % 0x10000,
65 rand() % 0x10000, &color);
66 if (rc != EOK)
67 return rc;
68
69 rc = gfx_set_color(gc, color);
70 if (rc != EOK)
71 return rc;
72
73 for (i = 0; i < 10; i++) {
74 rect.p0.x = rand() % (w - 1);
75 rect.p0.y = rand() % (h - 1);
76 rect.p1.x = rect.p0.x + rand() % (w - 1 - rect.p0.x);
77 rect.p1.y = rect.p0.y + rand() % (h - 1 - rect.p0.y);
78
79 rc = gfx_fill_rect(gc, &rect);
80 if (rc != EOK)
81 return rc;
82 }
83
84 gfx_color_delete(color);
85
86 fibril_usleep(500 * 1000);
87 }
88
89 return EOK;
90}
91
92/** Run bitmap demo on a graphic context.
93 *
94 * @param gc Graphic context
95 * @param w Width
96 * @param h Height
97 */
98static errno_t demo_bitmap(gfx_context_t *gc, gfx_coord_t w, gfx_coord_t h)
99{
100 gfx_bitmap_t *bitmap;
101 gfx_bitmap_params_t params;
102 gfx_bitmap_alloc_t alloc;
103 int i, j;
104 gfx_coord2_t offs;
105 gfx_rect_t srect;
106 errno_t rc;
107 pixelmap_t pixelmap;
108
109 params.rect.p0.x = 0;
110 params.rect.p0.y = 0;
111 params.rect.p1.x = w;
112 params.rect.p1.y = h;
113
114 rc = gfx_bitmap_create(gc, &params, NULL, &bitmap);
115 if (rc != EOK)
116 return rc;
117
118 rc = gfx_bitmap_get_alloc(bitmap, &alloc);
119 if (rc != EOK)
120 return rc;
121
122 /* Fill bitmap with something. In absence of anything else, use pixelmap */
123 pixelmap.width = w;
124 pixelmap.height = h;
125 pixelmap.data = alloc.pixels;
126
127 for (i = 0; i < w; i++) {
128 for (j = 0; j < h; j++) {
129 pixelmap_put_pixel(&pixelmap, i, j,
130 PIXEL(255, (i % 30) < 3 ? 255 : 0,
131 (j % 30) < 3 ? 255 : 0, i / 2));
132 }
133 }
134
135 for (j = 0; j < 10; j++) {
136 for (i = 0; i < 5; i++) {
137 srect.p0.x = rand() % (w - 40);
138 srect.p0.y = rand() % (h - 20);
139 srect.p1.x = srect.p0.x + rand() % (w - srect.p0.x);
140 srect.p1.y = srect.p0.y + rand() % (h - srect.p0.y);
141 offs.x = rand() % (w - srect.p1.x);
142 offs.y = rand() % (h - srect.p1.y);
143 offs.x = 0;
144 offs.y = 0;
145
146 rc = gfx_bitmap_render(bitmap, &srect, &offs);
147 if (rc != EOK)
148 goto error;
149 fibril_usleep(500 * 1000);
150 }
151 }
152
153 gfx_bitmap_destroy(bitmap);
154
155 return EOK;
156error:
157 gfx_bitmap_destroy(bitmap);
158 return rc;
159}
160
161/** Run demo loop on a graphic context.
162 *
163 * @param gc Graphic context
164 * @param w Width
165 * @param h Height
166 */
167static errno_t demo_loop(gfx_context_t *gc, gfx_coord_t w, gfx_coord_t h)
168{
169 errno_t rc;
170
171 while (true) {
172 rc = demo_rects(gc, w, h);
173 if (rc != EOK)
174 return rc;
175
176 rc = demo_bitmap(gc, w, h);
177 if (rc != EOK)
178 return rc;
179 }
180}
181
182/** Run demo on console. */
183static errno_t demo_console(void)
184{
185 console_ctrl_t *con = NULL;
186 console_gc_t *cgc = NULL;
187 gfx_context_t *gc;
188 errno_t rc;
189
190 printf("Init console..\n");
191 con = console_init(stdin, stdout);
192 if (con == NULL)
193 return EIO;
194
195 printf("Create console GC\n");
196 rc = console_gc_create(con, stdout, &cgc);
197 if (rc != EOK)
198 return rc;
199
200 gc = console_gc_get_ctx(cgc);
201
202 rc = demo_loop(gc, 80, 25);
203 if (rc != EOK)
204 return rc;
205
206 rc = console_gc_delete(cgc);
207 if (rc != EOK)
208 return rc;
209
210 return EOK;
211}
212
213/** Run demo on canvas. */
214static errno_t demo_canvas(void)
215{
216 canvas_gc_t *cgc = NULL;
217 gfx_context_t *gc;
218 window_t *window = NULL;
219 pixel_t *pixbuf = NULL;
220 surface_t *surface = NULL;
221 canvas_t *canvas = NULL;
222 gfx_coord_t vw, vh;
223 errno_t rc;
224
225 printf("Init canvas..\n");
226
227 window = window_open("comp:0/winreg", NULL,
228 WINDOW_MAIN | WINDOW_DECORATED, "GFX Demo");
229 if (window == NULL) {
230 printf("Error creating window.\n");
231 return -1;
232 }
233
234 vw = 400;
235 vh = 300;
236
237 pixbuf = calloc(vw * vh, sizeof(pixel_t));
238 if (pixbuf == NULL) {
239 printf("Error allocating memory for pixel buffer.\n");
240 return ENOMEM;
241 }
242
243 surface = surface_create(vw, vh, pixbuf, 0);
244 if (surface == NULL) {
245 printf("Error creating surface.\n");
246 return EIO;
247 }
248
249 canvas = create_canvas(window_root(window), NULL, vw, vh,
250 surface);
251 if (canvas == NULL) {
252 printf("Error creating canvas.\n");
253 return EIO;
254 }
255
256 window_resize(window, 0, 0, vw + 10, vh + 30, WINDOW_PLACEMENT_ANY);
257 window_exec(window);
258
259 printf("Create canvas GC\n");
260 rc = canvas_gc_create(canvas, surface, &cgc);
261 if (rc != EOK)
262 return rc;
263
264 gc = canvas_gc_get_ctx(cgc);
265
266 rc = demo_loop(gc, 400, 300);
267 if (rc != EOK)
268 return rc;
269
270 rc = canvas_gc_delete(cgc);
271 if (rc != EOK)
272 return rc;
273
274 return EOK;
275}
276
277/** Run demo on display server. */
278static errno_t demo_display(void)
279{
280 display_t *display = NULL;
281 gfx_context_t *gc;
282 display_window_t *window = NULL;
283 errno_t rc;
284
285 printf("Init display..\n");
286
287 rc = display_open(NULL, &display);
288 if (rc != EOK) {
289 printf("Error opening display.\n");
290 return rc;
291 }
292
293 rc = display_window_create(display, &window);
294 if (rc != EOK) {
295 printf("Error creating window.\n");
296 return rc;
297 }
298
299 rc = display_window_get_gc(window, &gc);
300 if (rc != EOK) {
301 printf("Error getting graphics context.\n");
302 }
303
304 rc = demo_loop(gc, 400, 300);
305 if (rc != EOK)
306 return rc;
307
308 rc = gfx_context_delete(gc);
309 if (rc != EOK)
310 return rc;
311
312 return EOK;
313}
314
315static void print_syntax(void)
316{
317 printf("syntax: gfxdemo {canvas|console|display}\n");
318}
319
320int main(int argc, char *argv[])
321{
322 errno_t rc;
323
324 if (argc < 2) {
325 print_syntax();
326 return 1;
327 }
328
329 if (str_cmp(argv[1], "console") == 0) {
330 rc = demo_console();
331 if (rc != EOK)
332 return 1;
333 } else if (str_cmp(argv[1], "canvas") == 0) {
334 rc = demo_canvas();
335 if (rc != EOK)
336 return 1;
337 } else if (str_cmp(argv[1], "display") == 0) {
338 rc = demo_display();
339 if (rc != EOK)
340 return 1;
341 } else {
342 print_syntax();
343 return 1;
344 }
345}
346
347/** @}
348 */
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