4 * Copyright (C) 2008 - 2010 The Geeqie Team
7 * Author: Vladimir Nadvornik
9 * This software is released under the GNU General Public License (GNU GPL).
10 * Please read the included file COPYING for more information.
11 * This software comes with no warranty of any kind, use at your own risk!
20 #include "pixbuf-renderer.h"
21 #include "renderer-tiles.h"
29 /* comment this out if not using this from within Geeqie
30 * defining GQ_BUILD does these things:
31 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
37 #include "pixbuf_util.h"
41 EXIF_ORIENTATION_UNKNOWN = 0,
42 EXIF_ORIENTATION_TOP_LEFT = 1,
43 EXIF_ORIENTATION_TOP_RIGHT = 2,
44 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
45 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
46 EXIF_ORIENTATION_LEFT_TOP = 5,
47 EXIF_ORIENTATION_RIGHT_TOP = 6,
48 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
49 EXIF_ORIENTATION_LEFT_BOTTOM = 8
50 } ExifOrientationType;
54 /* size to use when breaking up image pane for rendering */
55 #define PR_TILE_SIZE 128
57 typedef struct _ImageTile ImageTile;
58 typedef struct _QueueData QueueData;
62 GdkPixmap *pixmap; /* off screen buffer */
63 GdkPixbuf *pixbuf; /* pixbuf area for zooming */
64 gint x; /* x offset into image */
65 gint y; /* y offset into image */
66 gint w; /* width that is visible (may be less if at edge of image) */
67 gint h; /* height '' */
71 /* render_todo: (explanation)
73 AREA render area of tile, usually only used when loading an image
74 note: will jump to an ALL if render_done is not ALL.
75 ALL render entire tile, if never done before w/ ALL, for expose events *only*
78 ImageRenderType render_todo; /* what to do (see above) */
79 ImageRenderType render_done; /* highest that has been done before on tile */
84 guint size; /* est. memory used by pixmap and pixbuf */
97 typedef struct _OverlayData OverlayData;
108 OverlayRendererFlags flags;
111 typedef struct _RendererTiles RendererTiles;
113 struct _RendererTiles
118 gint tile_cache_max; /* max mb to use for offscreen buffer */
122 gint tile_cols; /* count of tile columns */
123 GList *tiles; /* list of buffer tiles */
124 gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
125 GList *draw_queue; /* list of areas to redraw */
126 GList *draw_queue_2pass;/* list when 2 pass is enabled */
129 GdkPixmap *overlay_buffer;
131 guint draw_idle_id; /* event source id */
133 GdkPixbuf *spare_tile;
139 gint x_scroll; /* allow local adjustment and mirroring */
146 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h);
147 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
150 static void rt_tile_free_all(RendererTiles *rt);
151 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h);
152 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
153 static void rt_queue_clear(RendererTiles *rt);
154 static void rt_queue_merge(QueueData *parent, QueueData *qd);
155 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
156 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
158 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
159 static gint rt_queue_draw_idle_cb(gpointer data);
161 #define GET_RIGHT_PIXBUF_OFFSET(rt) \
162 (( (rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
163 (!(rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
164 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
166 #define GET_LEFT_PIXBUF_OFFSET(rt) \
167 ((!(rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
168 ( (rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
169 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
172 static void rt_sync_scroll(RendererTiles *rt)
174 PixbufRenderer *pr = rt->pr;
176 rt->x_scroll = (rt->stereo_mode & PR_STEREO_MIRROR) ?
177 pr->width - pr->vis_width - pr->x_scroll
180 rt->y_scroll = (rt->stereo_mode & PR_STEREO_FLIP) ?
181 pr->height - pr->vis_height - pr->y_scroll
186 *-------------------------------------------------------------------
188 *-------------------------------------------------------------------
191 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
193 PixbufRenderer *pr = rt->pr;
197 box = GTK_WIDGET(pr);
199 if (!box->window) return;
201 if (!pr->pixbuf && !pr->source_tiles_enabled)
203 if (pr_clip_region(x, y, w, h,
205 pr->viewport_width, pr->viewport_height,
208 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
209 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
214 if (pr->vis_width < pr->viewport_width)
216 if (pr->x_offset > 0 &&
217 pr_clip_region(x, y, w, h,
219 pr->x_offset, pr->viewport_height,
222 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
223 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
225 if (pr->viewport_width - pr->vis_width - pr->x_offset > 0 &&
226 pr_clip_region(x, y, w, h,
227 pr->x_offset + pr->vis_width, 0,
228 pr->viewport_width - pr->vis_width - pr->x_offset, pr->viewport_height,
231 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
232 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
235 if (pr->vis_height < pr->viewport_height)
237 if (pr->y_offset > 0 &&
238 pr_clip_region(x, y, w, h,
240 pr->vis_width, pr->y_offset,
243 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
244 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
246 if (pr->viewport_height - pr->vis_height - pr->y_offset > 0 &&
247 pr_clip_region(x, y, w, h,
248 pr->x_offset, pr->y_offset + pr->vis_height,
249 pr->vis_width, pr->viewport_height - pr->vis_height - pr->y_offset,
252 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
253 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
258 static void rt_border_clear(RendererTiles *rt)
260 PixbufRenderer *pr = rt->pr;
261 rt_border_draw(rt, 0, 0, pr->viewport_width, pr->viewport_height);
266 *-------------------------------------------------------------------
268 *-------------------------------------------------------------------
271 static ImageTile *rt_tile_new(gint x, gint y, gint width, gint height)
275 it = g_new0(ImageTile, 1);
282 it->render_done = TILE_RENDER_NONE;
287 static void rt_tile_free(ImageTile *it)
291 if (it->pixbuf) g_object_unref(it->pixbuf);
292 if (it->pixmap) g_object_unref(it->pixmap);
297 static void rt_tile_free_all(RendererTiles *rt)
312 g_list_free(rt->tiles);
314 rt->tile_cache_size = 0;
317 static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
319 PixbufRenderer *pr = rt->pr;
322 it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
324 if (it->x + it->w > pr->width) it->w = pr->width - it->x;
325 if (it->y + it->h > pr->height) it->h = pr->height - it->y;
327 rt->tiles = g_list_prepend(rt->tiles, it);
328 rt->tile_cache_size += it->size;
333 static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
337 QueueData *qd = it->qd;
340 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
346 QueueData *qd = it->qd2;
349 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
353 rt->tiles = g_list_remove(rt->tiles, it);
354 rt->tile_cache_size -= it->size;
359 static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
361 PixbufRenderer *pr = rt->pr;
365 work = g_list_last(rt->tiles);
367 if (pr->source_tiles_enabled && pr->scale < 1.0)
371 tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
372 tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
373 (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
377 tile_max = rt->tile_cache_max * 1048576;
380 while (work && rt->tile_cache_size + space > tile_max)
387 ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
391 static void rt_tile_invalidate_all(RendererTiles *rt)
393 PixbufRenderer *pr = rt->pr;
404 it->render_done = TILE_RENDER_NONE;
405 it->render_todo = TILE_RENDER_ALL;
408 it->w = MIN(rt->tile_width, pr->width - it->x);
409 it->h = MIN(rt->tile_height, pr->height - it->y);
413 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
419 x1 = ROUND_DOWN(x, rt->tile_width);
420 x2 = ROUND_UP(x + w, rt->tile_width);
422 y1 = ROUND_DOWN(y, rt->tile_height);
423 y2 = ROUND_UP(y + h, rt->tile_height);
433 if (it->x < x2 && it->x + it->w > x1 &&
434 it->y < y2 && it->y + it->h > y1)
436 it->render_done = TILE_RENDER_NONE;
437 it->render_todo = TILE_RENDER_ALL;
442 static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
452 if (it->x == x && it->y == y)
454 rt->tiles = g_list_delete_link(rt->tiles, work);
455 rt->tiles = g_list_prepend(rt->tiles, it);
462 if (only_existing) return NULL;
464 return rt_tile_add(rt, x, y);
467 static gint pixmap_calc_size(GdkPixmap *pixmap)
471 d = gdk_drawable_get_depth(pixmap);
472 gdk_drawable_get_size(pixmap, &w, &h);
473 return w * h * (d / 8);
476 static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
478 PixbufRenderer *pr = rt->pr;
484 pixmap = gdk_pixmap_new(((GtkWidget *)pr)->window, rt->tile_width, rt->tile_height, -1);
486 size = pixmap_calc_size(pixmap);
487 rt_tile_free_space(rt, size, it);
491 rt->tile_cache_size += size;
498 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
500 size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height;
501 rt_tile_free_space(rt, size, it);
505 rt->tile_cache_size += size;
510 *-------------------------------------------------------------------
512 *-------------------------------------------------------------------
515 static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
516 gint *x, gint *y, gint *w, gint *h)
518 PixbufRenderer *pr = rt->pr;
521 pw = gdk_pixbuf_get_width(od->pixbuf);
522 ph = gdk_pixbuf_get_height(od->pixbuf);
526 if (od->flags & OVL_RELATIVE)
528 if (px < 0) px = pr->viewport_width - pw + px;
529 if (py < 0) py = pr->viewport_height - ph + py;
538 static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
540 PixbufRenderer *pr = rt->pr;
542 GdkWindowAttr attributes;
543 gint attributes_mask;
545 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
547 attributes.window_type = GDK_WINDOW_CHILD;
548 attributes.wclass = GDK_INPUT_OUTPUT;
549 attributes.width = pw;
550 attributes.height = ph;
551 attributes.event_mask = GDK_EXPOSURE_MASK;
554 od->window = gdk_window_new(GTK_WIDGET(pr)->window, &attributes, attributes_mask);
555 gdk_window_set_user_data(od->window, pr);
556 gdk_window_move(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y);
557 gdk_window_show(od->window);
560 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
563 PixbufRenderer *pr = rt->pr;
567 box = GTK_WIDGET(pr);
569 work = rt->overlay_list;
579 if (!od->window) rt_overlay_init_window(rt, od);
581 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
582 if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
584 if (!rt->overlay_buffer)
586 rt->overlay_buffer = gdk_pixmap_new(((GtkWidget *)pr)->window, rt->tile_width, rt->tile_height, -1);
591 #if GTK_CHECK_VERSION(2,20,0)
592 gdk_draw_drawable(rt->overlay_buffer, box->style->fg_gc[gtk_widget_get_state(box)],
594 gdk_draw_drawable(rt->overlay_buffer, box->style->fg_gc[GTK_WIDGET_STATE(box)],
597 rx - (pr->x_offset + (it->x - rt->x_scroll)),
598 ry - (pr->y_offset + (it->y - rt->y_scroll)),
600 gdk_draw_pixbuf(rt->overlay_buffer,
601 #if GTK_CHECK_VERSION(2,20,0)
602 box->style->fg_gc[gtk_widget_get_state(box)],
604 box->style->fg_gc[GTK_WIDGET_STATE(box)],
609 pr->dither_quality, rx, ry);
610 #if GTK_CHECK_VERSION(2,20,0)
611 gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
613 gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
617 rx - px, ry - py, rw, rh);
621 /* no ImageTile means region may be larger than our scratch buffer */
624 for (sx = rx; sx < rx + rw; sx += rt->tile_width)
625 for (sy = ry; sy < ry + rh; sy += rt->tile_height)
629 sw = MIN(rx + rw - sx, rt->tile_width);
630 sh = MIN(ry + rh - sy, rt->tile_height);
632 gdk_draw_rectangle(rt->overlay_buffer,
633 #if GTK_CHECK_VERSION(2,20,0)
634 box->style->bg_gc[gtk_widget_get_state(box)], TRUE,
636 box->style->bg_gc[GTK_WIDGET_STATE(box)], TRUE,
639 gdk_draw_pixbuf(rt->overlay_buffer,
640 #if GTK_CHECK_VERSION(2,20,0)
641 box->style->fg_gc[gtk_widget_get_state(box)],
643 box->style->fg_gc[GTK_WIDGET_STATE(box)],
648 pr->dither_quality, sx, sy);
649 #if GTK_CHECK_VERSION(2,20,0)
650 gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
652 gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
656 sx - px, sy - py, sw, sh);
663 static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
665 PixbufRenderer *pr = rt->pr;
668 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
676 rt_queue(rt, rt->x_scroll - pr->x_offset + x,
677 rt->y_scroll - pr->y_offset + y,
679 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
681 rt_border_draw(rt, x, y, w, h);
684 static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
688 work = rt->overlay_list;
691 OverlayData *od = work->data;
694 rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
698 static void rt_overlay_update_sizes(RendererTiles *rt)
702 work = rt->overlay_list;
705 OverlayData *od = work->data;
708 if (!od->window) rt_overlay_init_window(rt, od);
710 if (od->flags & OVL_RELATIVE)
714 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
715 gdk_window_move_resize(od->window, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
720 static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
724 work = rt->overlay_list;
727 OverlayData *od = work->data;
730 if (od->id == id) return od;
737 gint renderer_tiles_overlay_add(RendererTiles *rt, GdkPixbuf *pixbuf, gint x, gint y,
738 OverlayRendererFlags flags)
740 PixbufRenderer *pr = rt->pr;
744 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
745 g_return_val_if_fail(pixbuf != NULL, -1);
748 while (rt_overlay_find(rt, id)) id++;
750 od = g_new0(OverlayData, 1);
753 g_object_ref(G_OBJECT(od->pixbuf));
758 rt_overlay_init_window(rt, od);
760 rt->overlay_list = g_list_append(rt->overlay_list, od);
762 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
767 static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
769 rt->overlay_list = g_list_remove(rt->overlay_list, od);
771 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
772 if (od->window) gdk_window_destroy(od->window);
775 if (!rt->overlay_list && rt->overlay_buffer)
777 g_object_unref(rt->overlay_buffer);
778 rt->overlay_buffer = NULL;
782 static void rt_overlay_list_clear(RendererTiles *rt)
784 while (rt->overlay_list)
788 od = rt->overlay_list->data;
789 rt_overlay_free(rt, od);
793 static void rt_overlay_list_reset_window(RendererTiles *rt)
797 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
798 rt->overlay_buffer = NULL;
800 work = rt->overlay_list;
803 OverlayData *od = work->data;
805 if (od->window) gdk_window_destroy(od->window);
810 void renderer_tiles_overlay_set(RendererTiles *rt, gint id, GdkPixbuf *pixbuf, gint x, gint y)
812 PixbufRenderer *pr = rt->pr;
815 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
817 od = rt_overlay_find(rt, id);
824 g_object_ref(G_OBJECT(pixbuf));
825 g_object_unref(G_OBJECT(od->pixbuf));
831 if (!od->window) rt_overlay_init_window(rt, od);
833 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
834 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
835 gdk_window_move_resize(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y, pw, ph);
839 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
840 rt_overlay_free(rt, od);
844 gboolean renderer_tiles_overlay_get(RendererTiles *rt, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
846 PixbufRenderer *pr = rt->pr;
849 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
851 od = rt_overlay_find(rt, id);
852 if (!od) return FALSE;
854 if (pixbuf) *pixbuf = od->pixbuf;
861 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data)
863 RendererTiles *rt = data;
864 rt_overlay_list_reset_window(rt);
868 *-------------------------------------------------------------------
870 *-------------------------------------------------------------------
873 static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
875 if (!rt->spare_tile) rt->spare_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
876 return rt->spare_tile;
879 #define COLOR_BYTES 3 /* rgb */
881 static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
883 GdkPixbuf *src = *tile;
886 guchar *s_pix, *d_pix;
888 guchar *ip, *spi, *dpi;
890 gint tw = rt->tile_width;
892 srs = gdk_pixbuf_get_rowstride(src);
893 s_pix = gdk_pixbuf_get_pixels(src);
894 spi = s_pix + (x * COLOR_BYTES);
896 dest = rt_get_spare_tile(rt);
897 drs = gdk_pixbuf_get_rowstride(dest);
898 d_pix = gdk_pixbuf_get_pixels(dest);
899 dpi = d_pix + (tw - 1) * COLOR_BYTES;
901 for (i = y; i < y + h; i++)
903 sp = spi + (i * srs);
904 ip = dpi - (i * COLOR_BYTES);
905 for (j = x; j < x + w; j++)
908 memcpy(dp, sp, COLOR_BYTES);
913 rt->spare_tile = src;
917 static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
919 GdkPixbuf *src = *tile;
922 guchar *s_pix, *d_pix;
924 guchar *ip, *spi, *dpi;
926 gint th = rt->tile_height;
928 srs = gdk_pixbuf_get_rowstride(src);
929 s_pix = gdk_pixbuf_get_pixels(src);
930 spi = s_pix + (x * COLOR_BYTES);
932 dest = rt_get_spare_tile(rt);
933 drs = gdk_pixbuf_get_rowstride(dest);
934 d_pix = gdk_pixbuf_get_pixels(dest);
935 dpi = d_pix + (th - 1) * drs;
937 for (i = y; i < y + h; i++)
939 sp = spi + (i * srs);
940 ip = dpi + (i * COLOR_BYTES);
941 for (j = x; j < x + w; j++)
944 memcpy(dp, sp, COLOR_BYTES);
949 rt->spare_tile = src;
953 static void rt_tile_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
955 GdkPixbuf *src = *tile;
958 guchar *s_pix, *d_pix;
963 gint tw = rt->tile_width;
965 srs = gdk_pixbuf_get_rowstride(src);
966 s_pix = gdk_pixbuf_get_pixels(src);
967 spi = s_pix + (x * COLOR_BYTES);
969 dest = rt_get_spare_tile(rt);
970 drs = gdk_pixbuf_get_rowstride(dest);
971 d_pix = gdk_pixbuf_get_pixels(dest);
972 dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
974 for (i = y; i < y + h; i++)
976 sp = spi + (i * srs);
977 dp = dpi + (i * drs);
978 for (j = 0; j < w; j++)
980 memcpy(dp, sp, COLOR_BYTES);
986 rt->spare_tile = src;
990 static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
992 GdkPixbuf *src = *tile;
995 guchar *s_pix, *d_pix;
999 gint tw = rt->tile_width;
1000 gint th = rt->tile_height;
1002 srs = gdk_pixbuf_get_rowstride(src);
1003 s_pix = gdk_pixbuf_get_pixels(src);
1004 spi = s_pix + (x * COLOR_BYTES);
1006 dest = rt_get_spare_tile(rt);
1007 drs = gdk_pixbuf_get_rowstride(dest);
1008 d_pix = gdk_pixbuf_get_pixels(dest);
1009 dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
1011 for (i = y; i < y + h; i++)
1013 sp = s_pix + (i * srs) + (x * COLOR_BYTES);
1014 dp = dpi - (i * drs) - (x * COLOR_BYTES);
1015 for (j = 0; j < w; j++)
1017 memcpy(dp, sp, COLOR_BYTES);
1023 rt->spare_tile = src;
1027 static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1029 GdkPixbuf *src = *tile;
1032 guchar *s_pix, *d_pix;
1036 gint th = rt->tile_height;
1038 srs = gdk_pixbuf_get_rowstride(src);
1039 s_pix = gdk_pixbuf_get_pixels(src);
1040 spi = s_pix + (x * COLOR_BYTES);
1042 dest = rt_get_spare_tile(rt);
1043 drs = gdk_pixbuf_get_rowstride(dest);
1044 d_pix = gdk_pixbuf_get_pixels(dest);
1045 dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
1047 for (i = y; i < y + h; i++)
1049 sp = spi + (i * srs);
1050 dp = dpi - (i * drs);
1051 memcpy(dp, sp, w * COLOR_BYTES);
1054 rt->spare_tile = src;
1058 static void rt_tile_apply_orientation(RendererTiles *rt, gint orientation, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
1060 switch (orientation)
1062 case EXIF_ORIENTATION_TOP_LEFT:
1063 /* normal -- nothing to do */
1065 case EXIF_ORIENTATION_TOP_RIGHT:
1068 rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
1071 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1074 rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
1077 case EXIF_ORIENTATION_BOTTOM_LEFT:
1080 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1083 case EXIF_ORIENTATION_LEFT_TOP:
1085 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1086 rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1089 case EXIF_ORIENTATION_RIGHT_TOP:
1090 /* rotated -90 (270) */
1092 rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
1095 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1097 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1098 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1101 case EXIF_ORIENTATION_LEFT_BOTTOM:
1104 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
1108 /* The other values are out of range */
1113 static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
1114 gint x, gint y, gint w, gint h,
1115 gboolean new_data, gboolean fast)
1117 PixbufRenderer *pr = rt->pr;
1121 gboolean draw = FALSE;
1123 box = GTK_WIDGET(pr);
1125 if (pr->zoom == 1.0 || pr->scale == 1.0)
1127 list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
1132 gint rx, ry, rw, rh;
1137 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1138 it->x + x, it->y + y, w, h,
1139 &rx, &ry, &rw, &rh))
1143 gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
1144 rx - st->x, ry - st->y, rw, rh);
1146 else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
1148 gdk_draw_pixbuf(it->pixmap,
1149 #if GTK_CHECK_VERSION(2,20,0)
1150 box->style->fg_gc[gtk_widget_get_state(box)],
1152 box->style->fg_gc[GTK_WIDGET_STATE(box)],
1155 rx - st->x, ry - st->y,
1156 rx - it->x, ry - it->y,
1158 pr->dither_quality, rx, ry);
1165 gdouble scale_x, scale_y;
1166 gint sx, sy, sw, sh;
1168 if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
1169 scale_x = (gdouble)pr->width / pr->image_width;
1170 scale_y = (gdouble)pr->height / pr->image_height;
1172 sx = (gdouble)(it->x + x) / scale_x;
1173 sy = (gdouble)(it->y + y) / scale_y;
1174 sw = (gdouble)w / scale_x;
1175 sh = (gdouble)h / scale_y;
1177 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1180 /* draws red over draw region, to check for leaks (regions not filled) */
1181 pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
1184 list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
1189 gint rx, ry, rw, rh;
1190 gint stx, sty, stw, sth;
1195 stx = floor((gdouble)st->x * scale_x);
1196 sty = floor((gdouble)st->y * scale_y);
1197 stw = ceil((gdouble)(st->x + pr->source_tile_width) * scale_x) - stx;
1198 sth = ceil((gdouble)(st->y + pr->source_tile_height) * scale_y) - sty;
1200 if (pr_clip_region(stx, sty, stw, sth,
1201 it->x + x, it->y + y, w, h,
1202 &rx, &ry, &rw, &rh))
1206 gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
1207 rx - st->x, ry - st->y, rw, rh);
1214 /* may need to use unfloored stx,sty values here */
1215 offset_x = (gdouble)(stx - it->x);
1216 offset_y = (gdouble)(sty - it->y);
1218 gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
1219 (gdouble) 0.0 + offset_x,
1220 (gdouble) 0.0 + offset_y,
1222 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
1234 static void rt_tile_get_region(gboolean has_alpha,
1235 const GdkPixbuf *src, GdkPixbuf *dest,
1236 int pb_x, int pb_y, int pb_w, int pb_h,
1237 double offset_x, double offset_y, double scale_x, double scale_y,
1238 GdkInterpType interp_type,
1239 int check_x, int check_y)
1243 if (scale_x == 1.0 && scale_y == 1.0)
1245 gdk_pixbuf_copy_area(src,
1246 -offset_x + pb_x, -offset_y + pb_y,
1253 gdk_pixbuf_scale(src, dest,
1254 pb_x, pb_y, pb_w, pb_h,
1263 gdk_pixbuf_composite_color(src, dest,
1264 pb_x, pb_y, pb_w, pb_h,
1269 255, check_x, check_y,
1270 PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
1275 static gint rt_get_orientation(RendererTiles *rt)
1277 PixbufRenderer *pr = rt->pr;
1279 gint orientation = pr->orientation;
1280 static const gint mirror[] = {1, 2, 1, 4, 3, 6, 5, 8, 7};
1281 static const gint flip[] = {1, 4, 3, 2, 1, 8, 7, 6, 5};
1283 if (rt->stereo_mode & PR_STEREO_MIRROR) orientation = mirror[orientation];
1284 if (rt->stereo_mode & PR_STEREO_FLIP) orientation = flip[orientation];
1289 static void rt_tile_render(RendererTiles *rt, ImageTile *it,
1290 gint x, gint y, gint w, gint h,
1291 gboolean new_data, gboolean fast)
1293 PixbufRenderer *pr = rt->pr;
1296 gboolean draw = FALSE;
1297 gint orientation = rt_get_orientation(rt);
1299 if (it->render_todo == TILE_RENDER_NONE && it->pixmap && !new_data) return;
1301 if (it->render_done != TILE_RENDER_ALL)
1307 if (!fast) it->render_done = TILE_RENDER_ALL;
1309 else if (it->render_todo != TILE_RENDER_AREA)
1311 if (!fast) it->render_todo = TILE_RENDER_NONE;
1315 if (!fast) it->render_todo = TILE_RENDER_NONE;
1317 if (new_data) it->blank = FALSE;
1319 rt_tile_prepare(rt, it);
1320 has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
1322 box = GTK_WIDGET(pr);
1324 /* FIXME checker colors for alpha should be configurable,
1325 * also should be drawn for blank = TRUE
1330 /* no data, do fast rect fill */
1331 gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
1332 0, 0, it->w, it->h);
1334 else if (pr->source_tiles_enabled)
1336 draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
1338 else if ((pr->zoom == 1.0 || pr->scale == 1.0) &&
1339 pr->aspect_ratio == 1.0 &&
1341 orientation == EXIF_ORIENTATION_TOP_LEFT &&
1342 !(pr->func_post_process && !(pr->post_process_slow && fast)) &&
1343 !(rt->stereo_mode & PR_STEREO_ANAGLYPH))
1345 /* special case: faster, simple, scale 1.0, base orientation, no postprocessing */
1346 gdk_draw_pixbuf(it->pixmap,
1347 #if GTK_CHECK_VERSION(2,20,0)
1348 box->style->fg_gc[gtk_widget_get_state(box)],
1350 box->style->fg_gc[GTK_WIDGET_STATE(box)],
1353 it->x + x + GET_RIGHT_PIXBUF_OFFSET(rt), it->y + y,
1356 pr->dither_quality, it->x + x, it->y + y);
1360 gdouble scale_x, scale_y;
1361 gdouble src_x, src_y;
1365 if (pr->image_width == 0 || pr->image_height == 0) return;
1367 scale_x = (gdouble)pr->width / pr->image_width;
1368 scale_y = (gdouble)pr->height / pr->image_height;
1370 pr_tile_coords_map_orientation(orientation, it->x, it->y,
1371 pr->width, pr->height,
1372 rt->tile_width, rt->tile_height,
1374 pr_tile_region_map_orientation(orientation, x, y,
1375 rt->tile_width, rt->tile_height,
1380 switch (orientation)
1383 case EXIF_ORIENTATION_LEFT_TOP:
1384 case EXIF_ORIENTATION_RIGHT_TOP:
1385 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1386 case EXIF_ORIENTATION_LEFT_BOTTOM:
1396 /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
1397 * small sizes for anything but GDK_INTERP_NEAREST
1399 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1401 rt_tile_get_region(has_alpha,
1402 pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
1403 (gdouble) 0.0 - src_x - GET_RIGHT_PIXBUF_OFFSET(rt) * scale_x,
1404 (gdouble) 0.0 - src_y,
1406 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1407 it->x + pb_x, it->y + pb_y);
1408 if (rt->stereo_mode & PR_STEREO_ANAGLYPH &&
1409 (pr->stereo_pixbuf_offset_right > 0 || pr->stereo_pixbuf_offset_left > 0))
1411 GdkPixbuf *right_pb = rt_get_spare_tile(rt);
1412 rt_tile_get_region(has_alpha,
1413 pr->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h,
1414 (gdouble) 0.0 - src_x - GET_LEFT_PIXBUF_OFFSET(rt) * scale_x,
1415 (gdouble) 0.0 - src_y,
1417 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1418 it->x + pb_x, it->y + pb_y);
1419 pr_create_anaglyph(rt->stereo_mode, it->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h);
1420 /* do not care about freeing spare_tile, it will be reused */
1422 rt_tile_apply_orientation(rt, orientation, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
1426 if (draw && it->pixbuf && !it->blank)
1429 if (pr->func_post_process && !(pr->post_process_slow && fast))
1430 pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
1432 gdk_draw_pixbuf(it->pixmap,
1433 #if GTK_CHECK_VERSION(2,20,0)
1434 box->style->fg_gc[gtk_widget_get_state(box)],
1436 box->style->fg_gc[GTK_WIDGET_STATE(box)],
1442 pr->dither_quality, it->x + x, it->y + y);
1446 /* enable this line for debugging the edges of tiles */
1447 gdk_draw_rectangle(it->pixmap, box->style->white_gc,
1448 FALSE, 0, 0, it->w, it->h);
1449 gdk_draw_rectangle(it->pixmap, box->style->white_gc,
1455 static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
1456 gint x, gint y, gint w, gint h,
1457 gboolean new_data, gboolean fast)
1459 PixbufRenderer *pr = rt->pr;
1462 /* clamp to visible */
1463 if (it->x + x < rt->x_scroll)
1465 w -= rt->x_scroll - it->x - x;
1466 x = rt->x_scroll - it->x;
1468 if (it->x + x + w > rt->x_scroll + pr->vis_width)
1470 w = rt->x_scroll + pr->vis_width - it->x - x;
1473 if (it->y + y < rt->y_scroll)
1475 h -= rt->y_scroll - it->y - y;
1476 y = rt->y_scroll - it->y;
1478 if (it->y + y + h > rt->y_scroll + pr->vis_height)
1480 h = rt->y_scroll + pr->vis_height - it->y - y;
1484 rt_tile_render(rt, it, x, y, w, h, new_data, fast);
1486 box = GTK_WIDGET(pr);
1488 #if GTK_CHECK_VERSION(2,20,0)
1489 gdk_draw_drawable(box->window, box->style->fg_gc[gtk_widget_get_state(box)],
1491 gdk_draw_drawable(box->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
1494 pr->x_offset + (it->x - rt->x_scroll) + x + rt->stereo_off_x, pr->y_offset + (it->y - rt->y_scroll) + y + rt->stereo_off_y, w, h);
1496 if (rt->overlay_list)
1498 rt_overlay_draw(rt, pr->x_offset + (it->x - rt->x_scroll) + x,
1499 pr->y_offset + (it->y - rt->y_scroll) + y,
1506 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
1508 PixbufRenderer *pr = rt->pr;
1509 return (it->x + it->w >= rt->x_scroll && it->x < rt->x_scroll + pr->vis_width &&
1510 it->y + it->h >= rt->y_scroll && it->y < rt->y_scroll + pr->vis_height);
1514 *-------------------------------------------------------------------
1516 *-------------------------------------------------------------------
1519 static gint rt_get_queued_area(GList *work)
1525 QueueData *qd = work->data;
1526 area += qd->w * qd->h;
1533 static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
1535 PixbufRenderer *pr = rt->pr;
1537 gint visible_area = pr->vis_width * pr->vis_height;
1542 DEBUG_2("redraw priority: 2pass");
1543 rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, NULL);
1547 if (visible_area == 0)
1554 percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
1559 /* we have enough data for starting intensive redrawing */
1560 DEBUG_2("redraw priority: high %.2f %%", percent);
1561 rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, NULL);
1565 if (percent < 1.0 || force_set)
1567 /* queue is (almost) empty, wait 50 ms*/
1568 DEBUG_2("redraw priority: wait %.2f %%", percent);
1569 rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, NULL);
1573 /* keep the same priority as before */
1574 DEBUG_2("redraw priority: no change %.2f %%", percent);
1579 static gboolean rt_queue_draw_idle_cb(gpointer data)
1581 RendererTiles *rt = data;
1582 PixbufRenderer *pr = rt->pr;
1587 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
1588 (!rt->draw_queue && !rt->draw_queue_2pass) ||
1591 pr_render_complete_signal(pr);
1593 rt->draw_idle_id = 0;
1599 qd = rt->draw_queue->data;
1600 fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
1606 /* still loading, wait till done (also drops the higher priority) */
1608 return rt_queue_schedule_next_draw(rt, FALSE);
1611 qd = rt->draw_queue_2pass->data;
1615 #if GTK_CHECK_VERSION(2,20,0)
1616 if (gtk_widget_get_realized(pr))
1618 if (GTK_WIDGET_REALIZED(pr))
1621 if (rt_tile_is_visible(rt, qd->it))
1623 rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1625 else if (qd->new_data)
1627 /* if new pixel data, and we already have a pixmap, update the tile */
1628 qd->it->blank = FALSE;
1629 if (qd->it->pixmap && qd->it->render_done == TILE_RENDER_ALL)
1631 rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1639 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
1644 rt_queue_merge(qd->it->qd2, qd);
1650 rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
1661 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
1665 if (!rt->draw_queue && !rt->draw_queue_2pass)
1667 pr_render_complete_signal(pr);
1669 rt->draw_idle_id = 0;
1673 return rt_queue_schedule_next_draw(rt, FALSE);
1676 static void rt_queue_list_free(GList *list)
1696 static void rt_queue_clear(RendererTiles *rt)
1698 rt_queue_list_free(rt->draw_queue);
1699 rt->draw_queue = NULL;
1701 rt_queue_list_free(rt->draw_queue_2pass);
1702 rt->draw_queue_2pass = NULL;
1704 if (rt->draw_idle_id)
1706 g_source_remove(rt->draw_idle_id);
1707 rt->draw_idle_id = 0;
1712 static void rt_queue_merge(QueueData *parent, QueueData *qd)
1714 if (parent->x + parent->w < qd->x + qd->w)
1716 parent->w += (qd->x + qd->w) - (parent->x + parent->w);
1718 if (parent->x > qd->x)
1720 parent->w += parent->x - qd->x;
1724 if (parent->y + parent->h < qd->y + qd->h)
1726 parent->h += (qd->y + qd->h) - (parent->y + parent->h);
1728 if (parent->y > qd->y)
1730 parent->h += parent->y - qd->y;
1734 parent->new_data |= qd->new_data;
1737 static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
1739 PixbufRenderer *pr = rt->pr;
1746 vh = pr->vis_height;
1751 if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
1754 nx = CLAMP(*x, vx, vx + vw);
1755 nw = CLAMP(*w - (nx - *x), 1, vw);
1757 ny = CLAMP(*y, vy, vy + vh);
1758 nh = CLAMP(*h - (ny - *y), 1, vh);
1768 static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
1769 gboolean clamp, ImageRenderType render,
1770 gboolean new_data, gboolean only_existing)
1772 PixbufRenderer *pr = rt->pr;
1777 if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
1779 x1 = ROUND_DOWN(x, rt->tile_width);
1780 x2 = ROUND_UP(x + w, rt->tile_width);
1782 y1 = ROUND_DOWN(y, rt->tile_height);
1783 y2 = ROUND_UP(y + h, rt->tile_height);
1785 for (j = y1; j <= y2; j += rt->tile_height)
1787 for (i = x1; i <= x2; i += rt->tile_width)
1791 it = rt_tile_get(rt, i, j,
1793 (i + rt->tile_width < rt->x_scroll ||
1794 i > rt->x_scroll + pr->vis_width ||
1795 j + rt->tile_height < rt->y_scroll ||
1796 j > rt->y_scroll + pr->vis_height)));
1801 if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
1802 (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
1804 it->render_todo = render;
1807 qd = g_new(QueueData, 1);
1809 qd->new_data = new_data;
1819 qd->w = x + w - i - qd->x;
1820 if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
1830 qd->h = y + h - j - qd->y;
1831 if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
1833 if (qd->w < 1 || qd->h < 1)
1839 rt_queue_merge(it->qd, qd);
1845 rt->draw_queue = g_list_append(rt->draw_queue, qd);
1854 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
1855 gboolean clamp, ImageRenderType render,
1856 gboolean new_data, gboolean only_existing)
1858 PixbufRenderer *pr = rt->pr;
1863 nx = CLAMP(x, 0, pr->width - 1);
1864 ny = CLAMP(y, 0, pr->height - 1);
1867 w = CLAMP(w, 0, pr->width - nx);
1868 h = CLAMP(h, 0, pr->height - ny);
1869 if (w < 1 || h < 1) return;
1871 if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
1872 ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
1874 if (rt->draw_idle_id)
1876 g_source_remove(rt->draw_idle_id);
1877 rt->draw_idle_id = 0;
1879 rt_queue_schedule_next_draw(rt, TRUE);
1883 static void rt_scroll(RendererTiles *rt, gint x_off, gint y_off)
1885 PixbufRenderer *pr = rt->pr;
1888 if (rt->stereo_mode & PR_STEREO_MIRROR) x_off = -x_off;
1889 if (rt->stereo_mode & PR_STEREO_FLIP) y_off = -y_off;
1891 gint w = pr->vis_width - abs(x_off);
1892 gint h = pr->vis_height - abs(y_off);
1896 /* scrolled completely to new material */
1897 rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1930 box = GTK_WIDGET(pr);
1932 gc = gdk_gc_new(box->window);
1933 gdk_gc_set_exposures(gc, TRUE);
1934 gdk_draw_drawable(box->window, gc,
1936 x2 + pr->x_offset + rt->stereo_off_x, y2 + pr->y_offset + rt->stereo_off_y,
1937 x1 + pr->x_offset + rt->stereo_off_x, y1 + pr->y_offset + rt->stereo_off_y, w, h);
1940 rt_overlay_queue_all(rt, x2, y2, x1, y1);
1942 w = pr->vis_width - w;
1943 h = pr->vis_height - h;
1948 x_off > 0 ? rt->x_scroll + (pr->vis_width - w) : rt->x_scroll, rt->y_scroll,
1949 w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1953 /* FIXME, to optimize this, remove overlap */
1955 rt->x_scroll, y_off > 0 ? rt->y_scroll + (pr->vis_height - h) : rt->y_scroll,
1956 pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1959 /* process exposures here, "expose_event" seems to miss a few with obstructed windows */
1960 #if ! GTK_CHECK_VERSION(2,18,0)
1961 while ((event = gdk_event_get_graphics_expose(box->window)) != NULL)
1963 pixbuf_renderer_paint(pr, &event->expose.area);
1965 if (event->expose.count == 0)
1967 gdk_event_free(event);
1970 gdk_event_free(event);
1976 static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
1978 RendererTiles *rt = (RendererTiles *)renderer;
1979 PixbufRenderer *pr = rt->pr;
1980 gint x, y, width, height, x1, y1, x2, y2;
1982 gint orientation = rt_get_orientation(rt);
1983 pr_coords_map_orientation_reverse(orientation,
1984 src_x - GET_RIGHT_PIXBUF_OFFSET(rt), src_y,
1985 pr->image_width, pr->image_height,
1990 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
1992 /* increase region when using a zoom quality that may access surrounding pixels */
1997 x1 = (gint)floor((gdouble)x * pr->scale);
1998 y1 = (gint)floor((gdouble)y * pr->scale * pr->aspect_ratio);
1999 x2 = (gint)ceil((gdouble)(x + width) * pr->scale);
2000 y2 = (gint)ceil((gdouble)(y + height) * pr->scale * pr->aspect_ratio);
2002 rt_queue(rt, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2005 static void renderer_redraw(void *renderer, gint x, gint y, gint w, gint h,
2006 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
2008 RendererTiles *rt = (RendererTiles *)renderer;
2009 PixbufRenderer *pr = rt->pr;
2011 x -= rt->stereo_off_x;
2012 y -= rt->stereo_off_y;
2014 rt_border_draw(rt, x, y, w, h);
2016 x = MAX(0, x - pr->x_offset + pr->x_scroll);
2017 y = MAX(0, y - pr->y_offset + pr->y_scroll);
2021 MIN(w, pr->width - x),
2022 MIN(h, pr->height - y),
2023 clamp, render, new_data, only_existing);
2026 static void renderer_queue_clear(void *renderer)
2028 rt_queue_clear((RendererTiles *)renderer);
2031 static void renderer_border_clear(void *renderer)
2033 rt_border_clear((RendererTiles *)renderer);
2037 static void renderer_invalidate_all(void *renderer)
2039 rt_tile_invalidate_all((RendererTiles *)renderer);
2042 static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
2044 rt_tile_invalidate_region((RendererTiles *)renderer, x, y, w, h);
2047 static void renderer_overlay_draw(void *renderer, gint x, gint y, gint w, gint h)
2049 rt_overlay_draw((RendererTiles *)renderer, x, y, w, h, NULL);
2052 static void renderer_update_sizes(void *renderer)
2054 RendererTiles *rt = (RendererTiles *)renderer;
2056 rt->stereo_off_x = 0;
2057 rt->stereo_off_y = 0;
2059 if (rt->stereo_mode & PR_STEREO_RIGHT)
2061 if (rt->stereo_mode & PR_STEREO_HORIZ)
2063 rt->stereo_off_x = rt->pr->viewport_width;
2065 else if (rt->stereo_mode & PR_STEREO_VERT)
2067 rt->stereo_off_y = rt->pr->viewport_height;
2069 else if (rt->stereo_mode & PR_STEREO_FIXED)
2071 rt->stereo_off_x = rt->pr->stereo_fixed_x_right;
2072 rt->stereo_off_y = rt->pr->stereo_fixed_y_right;
2077 if (rt->stereo_mode & PR_STEREO_FIXED)
2079 rt->stereo_off_x = rt->pr->stereo_fixed_x_left;
2080 rt->stereo_off_y = rt->pr->stereo_fixed_y_left;
2083 DEBUG_1("update size: %p %d %d %d %d", rt, rt->stereo_off_x, rt->stereo_off_y, rt->pr->viewport_width, rt->pr->viewport_height);
2085 rt_overlay_update_sizes(rt);
2088 static void renderer_stereo_set(void *renderer, gint stereo_mode)
2090 RendererTiles *rt = (RendererTiles *)renderer;
2092 rt->stereo_mode = stereo_mode;
2095 static void renderer_free(void *renderer)
2097 RendererTiles *rt = (RendererTiles *)renderer;
2099 rt_tile_free_all(rt);
2100 if (rt->spare_tile) g_object_unref(rt->spare_tile);
2101 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
2102 rt_overlay_list_clear(rt);
2103 /* disconnect "hierarchy-changed" */
2104 g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
2109 RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
2111 RendererTiles *rt = g_new0(RendererTiles, 1);
2115 rt->f.redraw = renderer_redraw;
2116 rt->f.area_changed = renderer_area_changed;
2117 rt->f.queue_clear = renderer_queue_clear;
2118 rt->f.border_clear = renderer_border_clear;
2119 rt->f.free = renderer_free;
2120 rt->f.invalidate_all = renderer_invalidate_all;
2121 rt->f.invalidate_region = renderer_invalidate_region;
2122 rt->f.scroll = rt_scroll;
2123 rt->f.update_sizes = renderer_update_sizes;
2126 rt->f.overlay_add = renderer_tiles_overlay_add;
2127 rt->f.overlay_set = renderer_tiles_overlay_set;
2128 rt->f.overlay_get = renderer_tiles_overlay_get;
2129 rt->f.overlay_draw = renderer_overlay_draw;
2131 rt->f.stereo_set = renderer_stereo_set;
2133 rt->tile_width = PR_TILE_SIZE;
2134 rt->tile_height = PR_TILE_SIZE;
2137 rt->tile_cache_size = 0;
2139 rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
2141 rt->draw_idle_id = 0;
2143 rt->stereo_mode = 0;
2144 rt->stereo_off_x = 0;
2145 rt->stereo_off_y = 0;
2147 g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
2148 G_CALLBACK(rt_hierarchy_changed_cb), rt);
2150 return (RendererFuncs *) rt;
2154 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */