1 /*
2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
4 *
5 * Author: John Ellis
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <math.h>
26
27 #include "main.h"
28 #include "pixbuf-renderer.h"
29 #include "renderer-clutter.h"
30
31 #include "intl.h"
32 #include "layout.h"
33
34 #include <gtk/gtk.h>
35
36 #ifdef HAVE_CLUTTER
37
38 /* for 3d texture */
39 #define COGL_ENABLE_EXPERIMENTAL_API
40 #define CLUTTER_ENABLE_EXPERIMENTAL_API
41
42 #include <clutter/clutter.h>
43
44 #include <clutter-gtk/clutter-gtk.h>
45
46
47
48 #define GQ_BUILD 1
49
50 #ifdef GQ_BUILD
51 #include "main.h"
52 #include "pixbuf_util.h"
53 #include "exif.h"
54 #else
55 typedef enum {
56 EXIF_ORIENTATION_UNKNOWN = 0,
57 EXIF_ORIENTATION_TOP_LEFT = 1,
58 EXIF_ORIENTATION_TOP_RIGHT = 2,
59 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
60 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
61 EXIF_ORIENTATION_LEFT_TOP = 5,
62 EXIF_ORIENTATION_RIGHT_TOP = 6,
63 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
64 EXIF_ORIENTATION_LEFT_BOTTOM = 8
65 } ExifOrientationType;
66 #endif
67
68 #define GET_RIGHT_PIXBUF_OFFSET(rc) \
69 (( (rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
70 (!(rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \
71 rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
72
73 #define GET_LEFT_PIXBUF_OFFSET(rc) \
74 ((!(rc->stereo_mode & PR_STEREO_RIGHT) && !(rc->stereo_mode & PR_STEREO_SWAP)) || \
75 ( (rc->stereo_mode & PR_STEREO_RIGHT) && (rc->stereo_mode & PR_STEREO_SWAP)) ? \
76 rc->pr->stereo_pixbuf_offset_right : rc->pr->stereo_pixbuf_offset_left )
77
78
79 typedef struct _OverlayData OverlayData;
80 struct _OverlayData
81 {
82 gint id;
83
84 GdkPixbuf *pixbuf;
85 ClutterActor *actor;
86
87 gint x;
88 gint y;
89
90 OverlayRendererFlags flags;
91 };
92
93 typedef struct _RendererClutter RendererClutter;
94
95 struct _RendererClutter
96 {
97 RendererFuncs f;
98 PixbufRenderer *pr;
99
100
101 gint stereo_mode;
102 gint stereo_off_x;
103 gint stereo_off_y;
104
105
106 GList *pending_updates;
107 gint idle_update;
108
109 GList *overlay_list;
110
111 GtkWidget *widget; /* widget and stage may be shared with other renderers */
112 ClutterActor *stage;
113 ClutterActor *texture;
114 ClutterActor *group;
115
116 gboolean clut_updated;
117 gint64 last_pixbuf_change;
118
119 GdkPixbuf *display_pixbuf;
120 };
121
122 typedef struct _RendererClutterAreaParam RendererClutterAreaParam;
123 struct _RendererClutterAreaParam {
124 RendererClutter *rc;
125 gint x;
126 gint y;
127 gint w;
128 gint h;
129 };
130
rc_sync_actor(RendererClutter * rc)131 static void rc_sync_actor(RendererClutter *rc)
132 {
133 PixbufRenderer *pr = rc->pr;
134 gint anchor_x = 0;
135 gint anchor_y = 0;
136 gint rot_z = 0;
137 gint rot_y = 0;
138
139 clutter_actor_set_anchor_point(CLUTTER_ACTOR(rc->texture), 0, 0);
140
141 DEBUG_3("scale %d %d", rc->pr->width, rc->pr->height);
142 DEBUG_3("pos %d %d", rc->pr->x_offset, rc->pr->y_offset);
143
144 clutter_actor_set_scale(CLUTTER_ACTOR(rc->texture),
145 (gfloat)pr->width / pr->image_width,
146 (gfloat)pr->height / pr->image_height);
147
148 switch (pr->orientation)
149 {
150 case EXIF_ORIENTATION_TOP_LEFT:
151 /* 1 - Horizontal (normal) */
152 break;
153 case EXIF_ORIENTATION_TOP_RIGHT:
154 /* 2 - Mirror horizontal */
155 rot_y = 180;
156 anchor_x = pr->width;
157 break;
158 case EXIF_ORIENTATION_BOTTOM_RIGHT:
159 /* 3 - Rotate 180 */
160 rot_z = 180;
161 anchor_x = pr->width;
162 anchor_y = pr->height;
163 break;
164 case EXIF_ORIENTATION_BOTTOM_LEFT:
165 /* 4 - Mirror vertical */
166 rot_z = 180;
167 rot_y = 180;
168 anchor_y = pr->height;
169 break;
170 case EXIF_ORIENTATION_LEFT_TOP:
171 /* 5 - Mirror horizontal and rotate 270 CW */
172 rot_z = 270;
173 rot_y = 180;
174 break;
175 case EXIF_ORIENTATION_RIGHT_TOP:
176 /* 6 - Rotate 90 CW */
177 rot_z = 90;
178 anchor_x = pr->width;
179 break;
180 case EXIF_ORIENTATION_RIGHT_BOTTOM:
181 /* 7 - Mirror horizontal and rotate 90 CW */
182 rot_z = 90;
183 rot_y = 180;
184 anchor_x = pr->width;
185 anchor_y = pr->height;
186 break;
187 case EXIF_ORIENTATION_LEFT_BOTTOM:
188 /* 8 - Rotate 270 CW */
189 rot_z = 270;
190 anchor_y = pr->height;
191 break;
192 default:
193 /* The other values are out of range */
194 break;
195 }
196
197 clutter_actor_set_rotation( CLUTTER_ACTOR(rc->texture),
198 CLUTTER_Z_AXIS,
199 rot_z, 0, 0, 0);
200 clutter_actor_set_rotation( CLUTTER_ACTOR(rc->texture),
201 CLUTTER_Y_AXIS,
202 rot_y, 0, 0, 0);
203
204 clutter_actor_set_position(CLUTTER_ACTOR(rc->texture),
205 pr->x_offset - pr->x_scroll + anchor_x,
206 pr->y_offset - pr->y_scroll + anchor_y);
207
208 }
209
210
rc_area_clip_add(RendererClutter * rc,gfloat x,gfloat y,gfloat w,gfloat h)211 static void rc_area_clip_add(RendererClutter *rc, gfloat x, gfloat y, gfloat w, gfloat h)
212 {
213 gfloat x2, y2;
214 gfloat clip_x, clip_y, clip_w, clip_h, clip_x2, clip_y2;
215
216 x2 = x + w;
217 y2 = y + h;
218
219 clutter_actor_get_clip(rc->texture, &clip_x, &clip_y, &clip_w, &clip_h);
220
221 clip_x2 = clip_x + clip_w;
222 clip_y2 = clip_y + clip_h;
223
224 if (clip_x > x) clip_x = x;
225 if (clip_x2 < x2) clip_x2 = x2;
226 if (clip_y > y) clip_y = y;
227 if (clip_y2 < y2) clip_y2 = y2;
228
229 clip_w = clip_x2 - clip_x;
230 clip_h = clip_y2 - clip_y;
231
232 clutter_actor_set_clip(rc->texture, clip_x, clip_y, clip_w, clip_h);
233 }
234
235 #define MAX_REGION_AREA (32768 * 1024)
236
237 static gboolean rc_area_changed_cb(gpointer data);
238
rc_schedule_texture_upload(RendererClutter * rc)239 static void rc_schedule_texture_upload(RendererClutter *rc)
240 {
241 if (g_get_monotonic_time() - rc->last_pixbuf_change < 50000)
242 {
243 /* delay clutter redraw until the texture has some data
244 set priority between gtk redraw and clutter redraw */
245 DEBUG_3("%s tex upload high prio", get_exec_time());
246 rc->idle_update = g_idle_add_full(CLUTTER_PRIORITY_REDRAW - 10, rc_area_changed_cb, rc, NULL);
247 }
248 else
249 {
250 /* higher prio than histogram */
251 DEBUG_3("%s tex upload low prio", get_exec_time());
252
253 rc->idle_update = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE - 5, rc_area_changed_cb, rc, NULL);
254 }
255 }
256
257 static void update_display_pixbuf(RendererClutter *rc);
258
rc_area_changed_cb(gpointer data)259 static gboolean rc_area_changed_cb(gpointer data)
260 {
261 RendererClutter *rc = (RendererClutter *)data;
262 PixbufRenderer *pr = rc->pr;
263
264 RendererClutterAreaParam *par = rc->pending_updates->data;
265
266 gint h = MAX_REGION_AREA / par->w;
267 if (h == 0) h = 1;
268 if (h > par->h) h = par->h;
269
270 if (pr->pixbuf)
271 {
272 CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture));
273
274 cogl_texture_set_region(texture,
275 par->x + GET_RIGHT_PIXBUF_OFFSET(rc),
276 par->y,
277 par->x,
278 par->y,
279 par->w,
280 h,
281 par->w,
282 h,
283 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888,
284 gdk_pixbuf_get_rowstride(pr->pixbuf),
285 gdk_pixbuf_get_pixels(pr->pixbuf));
286 }
287 rc_area_clip_add(rc, par->x, par->y, par->w, h);
288
289
290 par->y += h;
291 par->h -= h;
292
293 if (par->h == 0)
294 {
295 rc->pending_updates = g_list_remove(rc->pending_updates, par);
296 g_free(par);
297 }
298 if (!rc->pending_updates)
299 {
300 clutter_actor_queue_redraw(CLUTTER_ACTOR(rc->texture));
301 rc->idle_update = 0;
302
303 update_display_pixbuf(rc);
304
305 if (pr->func_post_process)
306 {
307 pr->func_post_process(pr, &rc->display_pixbuf, 0, 0, gdk_pixbuf_get_width(pr->pixbuf), gdk_pixbuf_get_height(pr->pixbuf), pr->post_process_user_data);
308 }
309
310 if (pr->pixbuf)
311 {
312 CoglHandle texture = clutter_texture_get_cogl_texture(CLUTTER_TEXTURE(rc->texture));
313
314 cogl_texture_set_region(texture,
315 0 + GET_RIGHT_PIXBUF_OFFSET(rc),
316 0,
317 0,
318 0,
319 gdk_pixbuf_get_width(pr->pixbuf),
320 gdk_pixbuf_get_height(pr->pixbuf),
321 gdk_pixbuf_get_width(pr->pixbuf),
322 gdk_pixbuf_get_height(pr->pixbuf),
323 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888,
324 gdk_pixbuf_get_rowstride(pr->pixbuf),
325 gdk_pixbuf_get_pixels(rc->display_pixbuf));
326 DEBUG_3("%s upload end", get_exec_time());
327 }
328
329 return FALSE;
330 }
331
332 rc_schedule_texture_upload(rc);
333
334 return FALSE; /* it was rescheduled, possibly with different prio */
335 }
336
337
rc_area_changed(void * renderer,gint src_x,gint src_y,gint src_w,gint src_h)338 static void rc_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
339 {
340 RendererClutter *rc = (RendererClutter *)renderer;
341 PixbufRenderer *pr = rc->pr;
342 RendererClutterAreaParam *par;
343
344 gint width = gdk_pixbuf_get_width(pr->pixbuf);
345 gint height = gdk_pixbuf_get_height(pr->pixbuf);
346
347 if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
348 {
349 width /= 2;
350 }
351
352 if (!pr_clip_region(src_x, src_y, src_w, src_h,
353 GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height,
354 &src_x, &src_y, &src_w, &src_h)) return;
355
356 par = g_new0(RendererClutterAreaParam, 1);
357 par->rc = rc;
358 par->x = src_x - GET_RIGHT_PIXBUF_OFFSET(rc);
359 par->y = src_y;
360 par->w = src_w;
361 par->h = src_h;
362 rc->pending_updates = g_list_append(rc->pending_updates, par);
363 if (!rc->idle_update)
364 {
365 rc_schedule_texture_upload(rc);
366 }
367 }
368
rc_remove_pending_updates(RendererClutter * rc)369 static void rc_remove_pending_updates(RendererClutter *rc)
370 {
371 if (rc->idle_update) g_idle_remove_by_data(rc);
372 rc->idle_update = 0;
373 while (rc->pending_updates)
374 {
375 RendererClutterAreaParam *par = rc->pending_updates->data;
376 rc->pending_updates = g_list_remove(rc->pending_updates, par);
377 g_free(par);
378 }
379 }
380
update_display_pixbuf(RendererClutter * rc)381 static void update_display_pixbuf(RendererClutter *rc)
382 {
383 PixbufRenderer *pr = rc->pr;
384 GdkPixbuf* tmppixbuf = NULL;
385
386 if (pr->pixbuf)
387 {
388 if (rc->display_pixbuf)
389 {
390 g_object_unref(rc->display_pixbuf);
391 }
392
393 if (!gdk_pixbuf_get_has_alpha(pr->pixbuf))
394 {
395 rc->display_pixbuf = gdk_pixbuf_copy(pr->pixbuf);
396 }
397 else
398 {
399 if (pr->ignore_alpha)
400 {
401 tmppixbuf = gdk_pixbuf_add_alpha(pr->pixbuf, FALSE, 0, 0, 0);
402
403 pixbuf_ignore_alpha_rect(tmppixbuf, 0, 0, gdk_pixbuf_get_width(pr->pixbuf), gdk_pixbuf_get_height(pr->pixbuf));
404
405 rc->display_pixbuf = gdk_pixbuf_composite_color_simple (tmppixbuf,
406 gdk_pixbuf_get_width(pr->pixbuf),
407 gdk_pixbuf_get_height(pr->pixbuf),
408 GDK_INTERP_BILINEAR,
409 255,
410 PR_ALPHA_CHECK_SIZE,
411 ((options->image.alpha_color_1.red << 8 & 0x00FF0000) +
412 (options->image.alpha_color_1.green & 0x00FF00) +
413 (options->image.alpha_color_1.blue >> 8 & 0x00FF)),
414 ((options->image.alpha_color_2.red << 8 & 0x00FF0000) +
415 (options->image.alpha_color_2.green & 0x00FF00) +
416 (options->image.alpha_color_2.blue >> 8 & 0x00FF)));
417 g_object_unref(tmppixbuf);
418 }
419 else
420 {
421 rc->display_pixbuf = gdk_pixbuf_composite_color_simple (pr->pixbuf,
422 gdk_pixbuf_get_width(pr->pixbuf),
423 gdk_pixbuf_get_height(pr->pixbuf),
424 GDK_INTERP_BILINEAR,
425 255,
426 PR_ALPHA_CHECK_SIZE,
427 ((options->image.alpha_color_1.red << 8 & 0x00FF0000) +
428 (options->image.alpha_color_1.green & 0x00FF00) +
429 (options->image.alpha_color_1.blue >> 8 & 0x00FF)),
430 ((options->image.alpha_color_2.red << 8 & 0x00FF0000) +
431 (options->image.alpha_color_2.green & 0x00FF00) +
432 (options->image.alpha_color_2.blue >> 8 & 0x00FF)));
433 }
434 }
435 }
436 }
437
rc_update_pixbuf(void * renderer,gboolean lazy)438 static void rc_update_pixbuf(void *renderer, gboolean lazy)
439 {
440 RendererClutter *rc = (RendererClutter *)renderer;
441 PixbufRenderer *pr = rc->pr;
442
443 DEBUG_3("rc_update_pixbuf");
444
445 rc_remove_pending_updates(rc);
446
447 rc->last_pixbuf_change = g_get_monotonic_time();
448 DEBUG_3("%s change time reset", get_exec_time());
449
450 if (pr->pixbuf)
451 {
452 gint width = gdk_pixbuf_get_width(pr->pixbuf);
453 gint height = gdk_pixbuf_get_height(pr->pixbuf);
454
455 DEBUG_3("pixbuf size %d x %d (%d)", width, height, gdk_pixbuf_get_has_alpha(pr->pixbuf) ? 32 : 24);
456
457 gint prev_width, prev_height;
458
459 if (pr->stereo_data == STEREO_PIXBUF_SBS || pr->stereo_data == STEREO_PIXBUF_CROSS)
460 {
461 width /= 2;
462 }
463
464
465 clutter_texture_get_base_size(CLUTTER_TEXTURE(rc->texture), &prev_width, &prev_height);
466
467 if (width != prev_width || height != prev_height)
468 {
469 /* FIXME use CoglMaterial with multiple textures for background, color management, anaglyph, ... */
470 CoglHandle texture = cogl_texture_new_with_size(width,
471 height,
472 COGL_TEXTURE_NO_AUTO_MIPMAP,
473 gdk_pixbuf_get_has_alpha(pr->pixbuf) ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888);
474
475 if (texture != COGL_INVALID_HANDLE)
476 {
477 clutter_texture_set_cogl_texture(CLUTTER_TEXTURE(rc->texture), texture);
478 cogl_handle_unref(texture);
479 }
480 }
481 clutter_actor_set_clip(rc->texture, 0, 0, 0, 0); /* visible area is extended as area_changed events arrive */
482 if (!lazy)
483 {
484 rc_area_changed(renderer, GET_RIGHT_PIXBUF_OFFSET(rc), 0, width, height);
485 }
486
487 rc->clut_updated = FALSE;
488 }
489 }
490
491
492
rc_update_zoom(void * renderer,gboolean lazy)493 static void rc_update_zoom(void *renderer, gboolean lazy)
494 {
495 RendererClutter *rc = (RendererClutter *)renderer;
496
497 DEBUG_3("rc_update_zoom");
498 rc_sync_actor(rc);
499 }
500
rc_invalidate_region(void * renderer,gint x,gint y,gint w,gint h)501 static void rc_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
502 {
503 }
504
rc_overlay_find(RendererClutter * rc,gint id)505 static OverlayData *rc_overlay_find(RendererClutter *rc, gint id)
506 {
507 GList *work;
508
509 work = rc->overlay_list;
510 while (work)
511 {
512 OverlayData *od = work->data;
513 work = work->next;
514
515 if (od->id == id) return od;
516 }
517
518 return NULL;
519 }
520
rc_overlay_actor_destroy_cb(ClutterActor * actor,gpointer user_data)521 static void rc_overlay_actor_destroy_cb(ClutterActor *actor, gpointer user_data)
522 {
523 OverlayData *od = user_data;
524 od->actor = NULL;
525 }
526
rc_overlay_free(RendererClutter * rc,OverlayData * od)527 static void rc_overlay_free(RendererClutter *rc, OverlayData *od)
528 {
529 rc->overlay_list = g_list_remove(rc->overlay_list, od);
530
531 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
532 if (od->actor) clutter_actor_destroy(od->actor);
533 g_free(od);
534 }
535
rc_overlay_update_position(RendererClutter * rc,OverlayData * od)536 static void rc_overlay_update_position(RendererClutter *rc, OverlayData *od)
537 {
538 gint px, py, pw, ph;
539
540 pw = gdk_pixbuf_get_width(od->pixbuf);
541 ph = gdk_pixbuf_get_height(od->pixbuf);
542 px = od->x;
543 py = od->y;
544
545 if (od->flags & OVL_RELATIVE)
546 {
547 if (px < 0) px = rc->pr->viewport_width - pw + px;
548 if (py < 0) py = rc->pr->viewport_height - ph + py;
549 }
550 if (od->actor) clutter_actor_set_position(od->actor, px, py);
551 }
552
rc_overlay_update_positions(RendererClutter * rc)553 static void rc_overlay_update_positions(RendererClutter *rc)
554 {
555 GList *work;
556
557 work = rc->overlay_list;
558 while (work)
559 {
560 OverlayData *od = work->data;
561 work = work->next;
562
563 rc_overlay_update_position(rc, od);
564 }
565 }
566
rc_overlay_free_all(RendererClutter * rc)567 static void rc_overlay_free_all(RendererClutter *rc)
568 {
569 GList *work;
570
571 work = rc->overlay_list;
572 while (work)
573 {
574 OverlayData *od = work->data;
575 work = work->next;
576
577 rc_overlay_free(rc, od);
578 }
579 }
580
rc_overlay_add(void * renderer,GdkPixbuf * pixbuf,gint x,gint y,OverlayRendererFlags flags)581 static gint rc_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y, OverlayRendererFlags flags)
582 {
583 RendererClutter *rc = (RendererClutter *)renderer;
584 PixbufRenderer *pr = rc->pr;
585 OverlayData *od;
586 gint id;
587
588 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
589 g_return_val_if_fail(pixbuf != NULL, -1);
590
591 id = 1;
592 while (rc_overlay_find(rc, id)) id++;
593
594 od = g_new0(OverlayData, 1);
595 od->id = id;
596 od->pixbuf = pixbuf;
597 g_object_ref(G_OBJECT(od->pixbuf));
598 od->x = x;
599 od->y = y;
600 od->flags = flags;
601
602 od->actor = gtk_clutter_texture_new();
603 g_signal_connect (od->actor, "destroy", G_CALLBACK(rc_overlay_actor_destroy_cb), od);
604
605 gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE (od->actor), pixbuf, NULL);
606 clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), od->actor);
607
608 rc->overlay_list = g_list_append(rc->overlay_list, od);
609 rc_overlay_update_position(rc, od);
610
611 return od->id;
612 }
613
rc_overlay_set(void * renderer,gint id,GdkPixbuf * pixbuf,gint x,gint y)614 static void rc_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
615 {
616 RendererClutter *rc = (RendererClutter *)renderer;
617 PixbufRenderer *pr = rc->pr;
618 OverlayData *od;
619
620 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
621
622 od = rc_overlay_find(rc, id);
623 if (!od) return;
624
625 if (pixbuf)
626 {
627 g_object_ref(G_OBJECT(pixbuf));
628 g_object_unref(G_OBJECT(od->pixbuf));
629 od->pixbuf = pixbuf;
630
631 od->x = x;
632 od->y = y;
633
634 if (od->actor) gtk_clutter_texture_set_from_pixbuf(GTK_CLUTTER_TEXTURE(od->actor), pixbuf, NULL);
635 rc_overlay_update_position(rc, od);
636 }
637 else
638 {
639 rc_overlay_free(rc, od);
640 }
641 }
642
rc_overlay_get(void * renderer,gint id,GdkPixbuf ** pixbuf,gint * x,gint * y)643 static gboolean rc_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
644 {
645 RendererClutter *rc = (RendererClutter *)renderer;
646
647 PixbufRenderer *pr = rc->pr;
648 OverlayData *od;
649
650 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
651
652 od = rc_overlay_find(rc, id);
653 if (!od) return FALSE;
654
655 if (pixbuf) *pixbuf = od->pixbuf;
656 if (x) *x = od->x;
657 if (y) *y = od->y;
658
659 return TRUE;
660 }
661
662
rc_update_viewport(void * renderer)663 static void rc_update_viewport(void *renderer)
664 {
665 RendererClutter *rc = (RendererClutter *)renderer;
666 ClutterColor stage_color = { rc->pr->color.red / 256, rc->pr->color.green / 256, rc->pr->color.blue / 256, 0xff };
667
668 rc->stereo_off_x = 0;
669 rc->stereo_off_y = 0;
670
671 if (rc->stereo_mode & PR_STEREO_RIGHT)
672 {
673 if (rc->stereo_mode & PR_STEREO_HORIZ)
674 {
675 rc->stereo_off_x = rc->pr->viewport_width;
676 }
677 else if (rc->stereo_mode & PR_STEREO_VERT)
678 {
679 rc->stereo_off_y = rc->pr->viewport_height;
680 }
681 else if (rc->stereo_mode & PR_STEREO_FIXED)
682 {
683 rc->stereo_off_x = rc->pr->stereo_fixed_x_right;
684 rc->stereo_off_y = rc->pr->stereo_fixed_y_right;
685 }
686 }
687 else
688 {
689 if (rc->stereo_mode & PR_STEREO_FIXED)
690 {
691 rc->stereo_off_x = rc->pr->stereo_fixed_x_left;
692 rc->stereo_off_y = rc->pr->stereo_fixed_y_left;
693 }
694 }
695 DEBUG_3("rc_update_viewport scale %d %d", rc->pr->width, rc->pr->height);
696
697 clutter_stage_set_color(CLUTTER_STAGE(rc->stage), &stage_color);
698
699
700 clutter_actor_set_size(rc->group, rc->pr->viewport_width, rc->pr->viewport_height);
701 clutter_actor_set_position(rc->group, rc->stereo_off_x, rc->stereo_off_y);
702
703 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
704 CLUTTER_Y_AXIS,
705 (rc->stereo_mode & PR_STEREO_MIRROR) ? 180 : 0,
706 rc->pr->viewport_width / 2.0, 0, 0);
707
708 clutter_actor_set_rotation(CLUTTER_ACTOR(rc->group),
709 CLUTTER_X_AXIS,
710 (rc->stereo_mode & PR_STEREO_FLIP) ? 180 : 0,
711 0, rc->pr->viewport_height / 2.0, 0);
712
713 rc_sync_actor(rc);
714 rc_overlay_update_positions(rc);
715 }
716
rc_scroll(void * renderer,gint x_off,gint y_off)717 static void rc_scroll(void *renderer, gint x_off, gint y_off)
718 {
719 DEBUG_3("rc_scroll");
720 RendererClutter *rc = (RendererClutter *)renderer;
721
722 rc_sync_actor(rc);
723 }
724
rc_stereo_set(void * renderer,gint stereo_mode)725 static void rc_stereo_set(void *renderer, gint stereo_mode)
726 {
727 RendererClutter *rc = (RendererClutter *)renderer;
728
729 rc->stereo_mode = stereo_mode;
730 }
731
rc_free(void * renderer)732 static void rc_free(void *renderer)
733 {
734 RendererClutter *rc = (RendererClutter *)renderer;
735 GtkWidget *widget = gtk_bin_get_child(GTK_BIN(rc->pr));
736
737 if (rc->display_pixbuf)
738 {
739 g_object_unref(rc->display_pixbuf);
740 }
741
742 rc_remove_pending_updates(rc);
743
744 rc_overlay_free_all(rc);
745
746 if (widget)
747 {
748 /* widget still exists */
749 clutter_actor_destroy(rc->group);
750 if (clutter_group_get_n_children(CLUTTER_GROUP(rc->stage)) == 0)
751 {
752 DEBUG_1("destroy %p", rc->widget);
753 /* this was the last user */
754 gtk_widget_destroy(rc->widget);
755 }
756 else
757 {
758 DEBUG_1("keep %p", rc->widget);
759 g_object_unref(G_OBJECT(rc->widget));
760 }
761 }
762 g_free(rc);
763 }
764
renderer_clutter_new(PixbufRenderer * pr)765 RendererFuncs *renderer_clutter_new(PixbufRenderer *pr)
766 {
767 RendererClutter *rc = g_new0(RendererClutter, 1);
768
769 rc->pr = pr;
770
771 rc->f.area_changed = rc_area_changed;
772 rc->f.update_pixbuf = rc_update_pixbuf;
773 rc->f.free = rc_free;
774 rc->f.update_zoom = rc_update_zoom;
775 rc->f.invalidate_region = rc_invalidate_region;
776 rc->f.scroll = rc_scroll;
777 rc->f.update_viewport = rc_update_viewport;
778
779
780 rc->f.overlay_add = rc_overlay_add;
781 rc->f.overlay_set = rc_overlay_set;
782 rc->f.overlay_get = rc_overlay_get;
783
784 rc->f.stereo_set = rc_stereo_set;
785
786
787 rc->stereo_mode = 0;
788 rc->stereo_off_x = 0;
789 rc->stereo_off_y = 0;
790
791 rc->idle_update = 0;
792 rc->pending_updates = NULL;
793
794 rc->display_pixbuf = NULL;
795
796 rc->widget = gtk_bin_get_child(GTK_BIN(rc->pr));
797
798 if (rc->widget)
799 {
800 if (!GTK_CLUTTER_IS_EMBED(rc->widget))
801 {
802 g_free(rc);
803 DEBUG_3("pixbuf renderer has a child of other type than gtk_clutter_embed");
804 return NULL;
805 }
806 }
807 else
808 {
809 rc->widget = gtk_clutter_embed_new();
810 gtk_container_add(GTK_CONTAINER(rc->pr), rc->widget);
811 }
812
813 gtk_event_box_set_above_child (GTK_EVENT_BOX(rc->pr), TRUE);
814 rc->stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (rc->widget));
815
816 rc->group = clutter_group_new();
817 clutter_container_add_actor(CLUTTER_CONTAINER(rc->stage), rc->group);
818 clutter_actor_set_clip_to_allocation(CLUTTER_ACTOR(rc->group), TRUE);
819
820 rc->texture = clutter_texture_new ();
821 clutter_container_add_actor(CLUTTER_CONTAINER(rc->group), rc->texture);
822
823 clutter_actor_set_content_scaling_filters(rc->texture, CLUTTER_SCALING_FILTER_TRILINEAR, CLUTTER_SCALING_FILTER_NEAREST);
824
825 g_object_ref(G_OBJECT(rc->widget));
826
827 gtk_widget_show(rc->widget);
828 return (RendererFuncs *) rc;
829 }
830
831 #endif
832 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
833