2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
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.
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.
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.
28 #include "pixbuf-renderer.h"
29 #include "renderer-tiles.h"
37 /* comment this out if not using this from within Geeqie
38 * defining GQ_BUILD does these things:
39 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
45 #include "pixbuf_util.h"
49 EXIF_ORIENTATION_UNKNOWN = 0,
50 EXIF_ORIENTATION_TOP_LEFT = 1,
51 EXIF_ORIENTATION_TOP_RIGHT = 2,
52 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
53 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
54 EXIF_ORIENTATION_LEFT_TOP = 5,
55 EXIF_ORIENTATION_RIGHT_TOP = 6,
56 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
57 EXIF_ORIENTATION_LEFT_BOTTOM = 8
58 } ExifOrientationType;
62 /* size to use when breaking up image pane for rendering */
63 #define PR_TILE_SIZE 128
65 typedef struct _ImageTile ImageTile;
66 typedef struct _QueueData QueueData;
70 cairo_surface_t *surface; /* off screen buffer */
71 GdkPixbuf *pixbuf; /* pixbuf area for zooming */
72 gint x; /* x offset into image */
73 gint y; /* y offset into image */
74 gint w; /* width that is visible (may be less if at edge of image) */
75 gint h; /* height '' */
79 /* render_todo: (explanation)
81 AREA render area of tile, usually only used when loading an image
82 note: will jump to an ALL if render_done is not ALL.
83 ALL render entire tile, if never done before w/ ALL, for expose events *only*
86 ImageRenderType render_todo; /* what to do (see above) */
87 ImageRenderType render_done; /* highest that has been done before on tile */
92 guint size; /* est. memory used by pixmap and pixbuf */
105 typedef struct _OverlayData OverlayData;
116 OverlayRendererFlags flags;
119 typedef struct _RendererTiles RendererTiles;
121 struct _RendererTiles
126 gint tile_cache_max; /* max mb to use for offscreen buffer */
130 gint tile_cols; /* count of tile columns */
131 GList *tiles; /* list of buffer tiles */
132 gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
133 GList *draw_queue; /* list of areas to redraw */
134 GList *draw_queue_2pass;/* list when 2 pass is enabled */
137 cairo_surface_t *overlay_buffer;
139 guint draw_idle_id; /* event source id */
141 GdkPixbuf *spare_tile;
147 gint x_scroll; /* allow local adjustment and mirroring */
154 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h);
155 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
158 static void rt_tile_free_all(RendererTiles *rt);
159 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h);
160 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
161 static void rt_queue_clear(RendererTiles *rt);
162 static void rt_queue_merge(QueueData *parent, QueueData *qd);
163 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
164 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
166 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
167 static gint rt_queue_draw_idle_cb(gpointer data);
169 #define GET_RIGHT_PIXBUF_OFFSET(rt) \
170 (( (rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
171 (!(rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
172 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
174 #define GET_LEFT_PIXBUF_OFFSET(rt) \
175 ((!(rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
176 ( (rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
177 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
180 static void rt_sync_scroll(RendererTiles *rt)
182 PixbufRenderer *pr = rt->pr;
184 rt->x_scroll = (rt->stereo_mode & PR_STEREO_MIRROR) ?
185 pr->width - pr->vis_width - pr->x_scroll
188 rt->y_scroll = (rt->stereo_mode & PR_STEREO_FLIP) ?
189 pr->height - pr->vis_height - pr->y_scroll
194 *-------------------------------------------------------------------
196 *-------------------------------------------------------------------
199 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
201 PixbufRenderer *pr = rt->pr;
207 box = GTK_WIDGET(pr);
208 window = gtk_widget_get_window(box);
212 cr = gdk_cairo_create(window);
215 if (!pr->pixbuf && !pr->source_tiles_enabled)
217 if (pr_clip_region(x, y, w, h,
219 pr->viewport_width, pr->viewport_height,
222 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
223 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
225 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
231 if (pr->vis_width < pr->viewport_width)
233 if (pr->x_offset > 0 &&
234 pr_clip_region(x, y, w, h,
236 pr->x_offset, pr->viewport_height,
239 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
240 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
242 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
244 if (pr->viewport_width - pr->vis_width - pr->x_offset > 0 &&
245 pr_clip_region(x, y, w, h,
246 pr->x_offset + pr->vis_width, 0,
247 pr->viewport_width - pr->vis_width - pr->x_offset, pr->viewport_height,
250 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
251 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
253 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
256 if (pr->vis_height < pr->viewport_height)
258 if (pr->y_offset > 0 &&
259 pr_clip_region(x, y, w, h,
261 pr->vis_width, pr->y_offset,
264 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
265 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
267 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
269 if (pr->viewport_height - pr->vis_height - pr->y_offset > 0 &&
270 pr_clip_region(x, y, w, h,
271 pr->x_offset, pr->y_offset + pr->vis_height,
272 pr->vis_width, pr->viewport_height - pr->vis_height - pr->y_offset,
275 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
276 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
278 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
284 static void rt_border_clear(RendererTiles *rt)
286 PixbufRenderer *pr = rt->pr;
287 rt_border_draw(rt, 0, 0, pr->viewport_width, pr->viewport_height);
292 *-------------------------------------------------------------------
294 *-------------------------------------------------------------------
297 static ImageTile *rt_tile_new(gint x, gint y, gint width, gint height)
301 it = g_new0(ImageTile, 1);
308 it->render_done = TILE_RENDER_NONE;
313 static void rt_tile_free(ImageTile *it)
317 if (it->pixbuf) g_object_unref(it->pixbuf);
318 if (it->surface) cairo_surface_destroy(it->surface);
323 static void rt_tile_free_all(RendererTiles *rt)
338 g_list_free(rt->tiles);
340 rt->tile_cache_size = 0;
343 static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
345 PixbufRenderer *pr = rt->pr;
348 it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
350 if (it->x + it->w > pr->width) it->w = pr->width - it->x;
351 if (it->y + it->h > pr->height) it->h = pr->height - it->y;
353 rt->tiles = g_list_prepend(rt->tiles, it);
354 rt->tile_cache_size += it->size;
359 static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
363 QueueData *qd = it->qd;
366 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
372 QueueData *qd = it->qd2;
375 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
379 rt->tiles = g_list_remove(rt->tiles, it);
380 rt->tile_cache_size -= it->size;
385 static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
387 PixbufRenderer *pr = rt->pr;
391 work = g_list_last(rt->tiles);
393 if (pr->source_tiles_enabled && pr->scale < 1.0)
397 tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
398 tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
399 (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
403 tile_max = rt->tile_cache_max * 1048576;
406 while (work && rt->tile_cache_size + space > tile_max)
413 ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
417 static void rt_tile_invalidate_all(RendererTiles *rt)
419 PixbufRenderer *pr = rt->pr;
430 it->render_done = TILE_RENDER_NONE;
431 it->render_todo = TILE_RENDER_ALL;
434 it->w = MIN(rt->tile_width, pr->width - it->x);
435 it->h = MIN(rt->tile_height, pr->height - it->y);
439 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
445 x1 = ROUND_DOWN(x, rt->tile_width);
446 x2 = ROUND_UP(x + w, rt->tile_width);
448 y1 = ROUND_DOWN(y, rt->tile_height);
449 y2 = ROUND_UP(y + h, rt->tile_height);
459 if (it->x < x2 && it->x + it->w > x1 &&
460 it->y < y2 && it->y + it->h > y1)
462 it->render_done = TILE_RENDER_NONE;
463 it->render_todo = TILE_RENDER_ALL;
468 static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
478 if (it->x == x && it->y == y)
480 rt->tiles = g_list_delete_link(rt->tiles, work);
481 rt->tiles = g_list_prepend(rt->tiles, it);
488 if (only_existing) return NULL;
490 return rt_tile_add(rt, x, y);
493 static gint pixmap_calc_size(cairo_surface_t *surface)
497 // d = gdk_drawable_get_depth(pixmap);
498 // gdk_drawable_get_size(pixmap, &w, &h);
499 return PR_TILE_SIZE * PR_TILE_SIZE * 4 / 8;
502 static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
504 PixbufRenderer *pr = rt->pr;
507 cairo_surface_t *surface;
510 surface = gdk_window_create_similar_surface(gtk_widget_get_window((GtkWidget *)pr),
512 rt->tile_width, rt->tile_height);
514 size = pixmap_calc_size(surface);
515 rt_tile_free_space(rt, size, it);
517 it->surface = surface;
519 rt->tile_cache_size += size;
526 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
528 size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height;
529 rt_tile_free_space(rt, size, it);
533 rt->tile_cache_size += size;
538 *-------------------------------------------------------------------
540 *-------------------------------------------------------------------
543 static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
544 gint *x, gint *y, gint *w, gint *h)
546 PixbufRenderer *pr = rt->pr;
549 pw = gdk_pixbuf_get_width(od->pixbuf);
550 ph = gdk_pixbuf_get_height(od->pixbuf);
554 if (od->flags & OVL_RELATIVE)
556 if (px < 0) px = pr->viewport_width - pw + px;
557 if (py < 0) py = pr->viewport_height - ph + py;
566 static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
568 PixbufRenderer *pr = rt->pr;
570 GdkWindowAttr attributes;
571 gint attributes_mask;
573 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
575 attributes.window_type = GDK_WINDOW_CHILD;
576 attributes.wclass = GDK_INPUT_OUTPUT;
577 attributes.width = pw;
578 attributes.height = ph;
579 attributes.event_mask = GDK_EXPOSURE_MASK;
582 od->window = gdk_window_new(gtk_widget_get_window(GTK_WIDGET(pr)), &attributes, attributes_mask);
583 gdk_window_set_user_data(od->window, pr);
584 gdk_window_move(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y);
585 gdk_window_show(od->window);
588 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
591 PixbufRenderer *pr = rt->pr;
594 work = rt->overlay_list;
604 if (!od->window) rt_overlay_init_window(rt, od);
606 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
607 if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
609 if (!rt->overlay_buffer)
611 rt->overlay_buffer = gdk_window_create_similar_surface(gtk_widget_get_window((GtkWidget *)pr),
613 rt->tile_width, rt->tile_height);
620 cr = cairo_create(rt->overlay_buffer);
621 cairo_set_source_surface(cr, it->surface, (pr->x_offset + (it->x - rt->x_scroll)) - rx, (pr->y_offset + (it->y - rt->y_scroll)) - ry);
622 cairo_rectangle(cr, 0, 0, rw, rh);
623 cairo_fill_preserve(cr);
625 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - rx, py - ry);
629 cr = gdk_cairo_create(od->window);
630 cairo_set_source_surface(cr, rt->overlay_buffer, rx - px, ry - py);
631 cairo_rectangle (cr, rx - px, ry - py, rw, rh);
637 /* no ImageTile means region may be larger than our scratch buffer */
640 for (sx = rx; sx < rx + rw; sx += rt->tile_width)
641 for (sy = ry; sy < ry + rh; sy += rt->tile_height)
646 sw = MIN(rx + rw - sx, rt->tile_width);
647 sh = MIN(ry + rh - sy, rt->tile_height);
649 cr = cairo_create(rt->overlay_buffer);
650 cairo_set_source_rgb(cr, 0, 0, 0);
651 cairo_rectangle(cr, 0, 0, sw, sh);
652 cairo_fill_preserve(cr);
654 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - sx, py - sy);
658 cr = gdk_cairo_create(od->window);
659 cairo_set_source_surface(cr, rt->overlay_buffer, sx - px, sy - py);
660 cairo_rectangle (cr, sx - px, sy - py, sw, sh);
669 static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
671 PixbufRenderer *pr = rt->pr;
674 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
682 rt_queue(rt, rt->x_scroll - pr->x_offset + x,
683 rt->y_scroll - pr->y_offset + y,
685 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
687 rt_border_draw(rt, x, y, w, h);
690 static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
694 work = rt->overlay_list;
697 OverlayData *od = work->data;
700 rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
704 static void rt_overlay_update_sizes(RendererTiles *rt)
708 work = rt->overlay_list;
711 OverlayData *od = work->data;
714 if (!od->window) rt_overlay_init_window(rt, od);
716 if (od->flags & OVL_RELATIVE)
720 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
721 gdk_window_move_resize(od->window, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
726 static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
730 work = rt->overlay_list;
733 OverlayData *od = work->data;
736 if (od->id == id) return od;
743 gint renderer_tiles_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y,
744 OverlayRendererFlags flags)
746 RendererTiles *rt = (RendererTiles *) renderer;
747 PixbufRenderer *pr = rt->pr;
751 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
752 g_return_val_if_fail(pixbuf != NULL, -1);
755 while (rt_overlay_find(rt, id)) id++;
757 od = g_new0(OverlayData, 1);
760 g_object_ref(G_OBJECT(od->pixbuf));
765 rt_overlay_init_window(rt, od);
767 rt->overlay_list = g_list_append(rt->overlay_list, od);
769 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
774 static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
776 rt->overlay_list = g_list_remove(rt->overlay_list, od);
778 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
779 if (od->window) gdk_window_destroy(od->window);
782 if (!rt->overlay_list && rt->overlay_buffer)
784 cairo_surface_destroy(rt->overlay_buffer);
785 rt->overlay_buffer = NULL;
789 static void rt_overlay_list_clear(RendererTiles *rt)
791 while (rt->overlay_list)
795 od = rt->overlay_list->data;
796 rt_overlay_free(rt, od);
800 static void rt_overlay_list_reset_window(RendererTiles *rt)
804 if (rt->overlay_buffer) cairo_surface_destroy(rt->overlay_buffer);
805 rt->overlay_buffer = NULL;
807 work = rt->overlay_list;
810 OverlayData *od = work->data;
812 if (od->window) gdk_window_destroy(od->window);
817 void renderer_tiles_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
819 RendererTiles *rt = (RendererTiles *) renderer;
820 PixbufRenderer *pr = rt->pr;
823 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
825 od = rt_overlay_find(rt, id);
832 g_object_ref(G_OBJECT(pixbuf));
833 g_object_unref(G_OBJECT(od->pixbuf));
839 if (!od->window) rt_overlay_init_window(rt, od);
841 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
842 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
843 gdk_window_move_resize(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y, pw, ph);
847 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
848 rt_overlay_free(rt, od);
852 gboolean renderer_tiles_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
854 RendererTiles *rt = (RendererTiles *) renderer;
855 PixbufRenderer *pr = rt->pr;
858 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
860 od = rt_overlay_find(rt, id);
861 if (!od) return FALSE;
863 if (pixbuf) *pixbuf = od->pixbuf;
870 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data)
872 RendererTiles *rt = data;
873 rt_overlay_list_reset_window(rt);
877 *-------------------------------------------------------------------
879 *-------------------------------------------------------------------
882 static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
884 if (!rt->spare_tile) rt->spare_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
885 return rt->spare_tile;
888 #define COLOR_BYTES 3 /* rgb */
890 static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
892 GdkPixbuf *src = *tile;
895 guchar *s_pix, *d_pix;
897 guchar *ip, *spi, *dpi;
899 gint tw = rt->tile_width;
901 srs = gdk_pixbuf_get_rowstride(src);
902 s_pix = gdk_pixbuf_get_pixels(src);
903 spi = s_pix + (x * COLOR_BYTES);
905 dest = rt_get_spare_tile(rt);
906 drs = gdk_pixbuf_get_rowstride(dest);
907 d_pix = gdk_pixbuf_get_pixels(dest);
908 dpi = d_pix + (tw - 1) * COLOR_BYTES;
910 for (i = y; i < y + h; i++)
912 sp = spi + (i * srs);
913 ip = dpi - (i * COLOR_BYTES);
914 for (j = x; j < x + w; j++)
917 memcpy(dp, sp, COLOR_BYTES);
922 rt->spare_tile = src;
926 static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
928 GdkPixbuf *src = *tile;
931 guchar *s_pix, *d_pix;
933 guchar *ip, *spi, *dpi;
935 gint th = rt->tile_height;
937 srs = gdk_pixbuf_get_rowstride(src);
938 s_pix = gdk_pixbuf_get_pixels(src);
939 spi = s_pix + (x * COLOR_BYTES);
941 dest = rt_get_spare_tile(rt);
942 drs = gdk_pixbuf_get_rowstride(dest);
943 d_pix = gdk_pixbuf_get_pixels(dest);
944 dpi = d_pix + (th - 1) * drs;
946 for (i = y; i < y + h; i++)
948 sp = spi + (i * srs);
949 ip = dpi + (i * COLOR_BYTES);
950 for (j = x; j < x + w; j++)
953 memcpy(dp, sp, COLOR_BYTES);
958 rt->spare_tile = src;
962 static void rt_tile_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
964 GdkPixbuf *src = *tile;
967 guchar *s_pix, *d_pix;
972 gint tw = rt->tile_width;
974 srs = gdk_pixbuf_get_rowstride(src);
975 s_pix = gdk_pixbuf_get_pixels(src);
976 spi = s_pix + (x * COLOR_BYTES);
978 dest = rt_get_spare_tile(rt);
979 drs = gdk_pixbuf_get_rowstride(dest);
980 d_pix = gdk_pixbuf_get_pixels(dest);
981 dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
983 for (i = y; i < y + h; i++)
985 sp = spi + (i * srs);
986 dp = dpi + (i * drs);
987 for (j = 0; j < w; j++)
989 memcpy(dp, sp, COLOR_BYTES);
995 rt->spare_tile = src;
999 static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1001 GdkPixbuf *src = *tile;
1004 guchar *s_pix, *d_pix;
1008 gint tw = rt->tile_width;
1009 gint th = rt->tile_height;
1011 srs = gdk_pixbuf_get_rowstride(src);
1012 s_pix = gdk_pixbuf_get_pixels(src);
1014 dest = rt_get_spare_tile(rt);
1015 drs = gdk_pixbuf_get_rowstride(dest);
1016 d_pix = gdk_pixbuf_get_pixels(dest);
1017 dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
1019 for (i = y; i < y + h; i++)
1021 sp = s_pix + (i * srs) + (x * COLOR_BYTES);
1022 dp = dpi - (i * drs) - (x * COLOR_BYTES);
1023 for (j = 0; j < w; j++)
1025 memcpy(dp, sp, COLOR_BYTES);
1031 rt->spare_tile = src;
1035 static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1037 GdkPixbuf *src = *tile;
1040 guchar *s_pix, *d_pix;
1044 gint th = rt->tile_height;
1046 srs = gdk_pixbuf_get_rowstride(src);
1047 s_pix = gdk_pixbuf_get_pixels(src);
1048 spi = s_pix + (x * COLOR_BYTES);
1050 dest = rt_get_spare_tile(rt);
1051 drs = gdk_pixbuf_get_rowstride(dest);
1052 d_pix = gdk_pixbuf_get_pixels(dest);
1053 dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
1055 for (i = y; i < y + h; i++)
1057 sp = spi + (i * srs);
1058 dp = dpi - (i * drs);
1059 memcpy(dp, sp, w * COLOR_BYTES);
1062 rt->spare_tile = src;
1066 static void rt_tile_apply_orientation(RendererTiles *rt, gint orientation, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
1068 switch (orientation)
1070 case EXIF_ORIENTATION_TOP_LEFT:
1071 /* normal -- nothing to do */
1073 case EXIF_ORIENTATION_TOP_RIGHT:
1076 rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
1079 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1082 rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
1085 case EXIF_ORIENTATION_BOTTOM_LEFT:
1088 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1091 case EXIF_ORIENTATION_LEFT_TOP:
1093 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1094 rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1097 case EXIF_ORIENTATION_RIGHT_TOP:
1098 /* rotated -90 (270) */
1100 rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
1103 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1105 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1106 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1109 case EXIF_ORIENTATION_LEFT_BOTTOM:
1112 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
1116 /* The other values are out of range */
1121 static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
1122 gint x, gint y, gint w, gint h,
1123 gboolean new_data, gboolean fast)
1125 PixbufRenderer *pr = rt->pr;
1128 gboolean draw = FALSE;
1130 if (pr->zoom == 1.0 || pr->scale == 1.0)
1132 list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
1137 gint rx, ry, rw, rh;
1142 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1143 it->x + x, it->y + y, w, h,
1144 &rx, &ry, &rw, &rh))
1147 cr = cairo_create(it->surface);
1148 cairo_rectangle (cr, rx - it->x, ry - it->y, rw, rh);
1152 cairo_set_source_rgb(cr, 0, 0, 0);
1154 else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
1156 gdk_cairo_set_source_pixbuf(cr, st->pixbuf, -it->x + st->x, -it->y + st->y);
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))
1208 cr = cairo_create(it->surface);
1209 cairo_rectangle (cr, rx - st->x, ry - st->y, rw, rh);
1210 cairo_set_source_rgb(cr, 0, 0, 0);
1219 /* may need to use unfloored stx,sty values here */
1220 offset_x = (gdouble)(stx - it->x);
1221 offset_y = (gdouble)(sty - it->y);
1223 gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
1224 (gdouble) 0.0 + offset_x,
1225 (gdouble) 0.0 + offset_y,
1227 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
1239 static void rt_tile_get_region(gboolean has_alpha,
1240 const GdkPixbuf *src, GdkPixbuf *dest,
1241 int pb_x, int pb_y, int pb_w, int pb_h,
1242 double offset_x, double offset_y, double scale_x, double scale_y,
1243 GdkInterpType interp_type,
1244 int check_x, int check_y)
1248 if (scale_x == 1.0 && scale_y == 1.0)
1250 gdk_pixbuf_copy_area(src,
1251 -offset_x + pb_x, -offset_y + pb_y,
1258 gdk_pixbuf_scale(src, dest,
1259 pb_x, pb_y, pb_w, pb_h,
1268 gdk_pixbuf_composite_color(src, dest,
1269 pb_x, pb_y, pb_w, pb_h,
1274 255, check_x, check_y,
1275 PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
1280 static gint rt_get_orientation(RendererTiles *rt)
1282 PixbufRenderer *pr = rt->pr;
1284 gint orientation = pr->orientation;
1285 static const gint mirror[] = {1, 2, 1, 4, 3, 6, 5, 8, 7};
1286 static const gint flip[] = {1, 4, 3, 2, 1, 8, 7, 6, 5};
1288 if (rt->stereo_mode & PR_STEREO_MIRROR) orientation = mirror[orientation];
1289 if (rt->stereo_mode & PR_STEREO_FLIP) orientation = flip[orientation];
1294 static void rt_tile_render(RendererTiles *rt, ImageTile *it,
1295 gint x, gint y, gint w, gint h,
1296 gboolean new_data, gboolean fast)
1298 PixbufRenderer *pr = rt->pr;
1300 gboolean draw = FALSE;
1301 gint orientation = rt_get_orientation(rt);
1303 if (it->render_todo == TILE_RENDER_NONE && it->surface && !new_data) return;
1305 if (it->render_done != TILE_RENDER_ALL)
1311 if (!fast) it->render_done = TILE_RENDER_ALL;
1313 else if (it->render_todo != TILE_RENDER_AREA)
1315 if (!fast) it->render_todo = TILE_RENDER_NONE;
1319 if (!fast) it->render_todo = TILE_RENDER_NONE;
1321 if (new_data) it->blank = FALSE;
1323 rt_tile_prepare(rt, it);
1324 has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
1326 /* FIXME checker colors for alpha should be configurable,
1327 * also should be drawn for blank = TRUE
1332 /* no data, do fast rect fill */
1334 cr = cairo_create(it->surface);
1335 cairo_rectangle (cr, 0, 0, it->w, it->h);
1336 cairo_set_source_rgb(cr, 0, 0, 0);
1340 else if (pr->source_tiles_enabled)
1342 draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
1346 gdouble scale_x, scale_y;
1347 gdouble src_x, src_y;
1351 if (pr->image_width == 0 || pr->image_height == 0) return;
1353 scale_x = (gdouble)pr->width / pr->image_width;
1354 scale_y = (gdouble)pr->height / pr->image_height;
1356 pr_tile_coords_map_orientation(orientation, it->x, it->y,
1357 pr->width, pr->height,
1358 rt->tile_width, rt->tile_height,
1360 pr_tile_region_map_orientation(orientation, x, y,
1361 rt->tile_width, rt->tile_height,
1366 switch (orientation)
1369 case EXIF_ORIENTATION_LEFT_TOP:
1370 case EXIF_ORIENTATION_RIGHT_TOP:
1371 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1372 case EXIF_ORIENTATION_LEFT_BOTTOM:
1382 /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
1383 * small sizes for anything but GDK_INTERP_NEAREST
1385 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1387 rt_tile_get_region(has_alpha,
1388 pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
1389 (gdouble) 0.0 - src_x - GET_RIGHT_PIXBUF_OFFSET(rt) * scale_x,
1390 (gdouble) 0.0 - src_y,
1392 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1393 it->x + pb_x, it->y + pb_y);
1394 if (rt->stereo_mode & PR_STEREO_ANAGLYPH &&
1395 (pr->stereo_pixbuf_offset_right > 0 || pr->stereo_pixbuf_offset_left > 0))
1397 GdkPixbuf *right_pb = rt_get_spare_tile(rt);
1398 rt_tile_get_region(has_alpha,
1399 pr->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h,
1400 (gdouble) 0.0 - src_x - GET_LEFT_PIXBUF_OFFSET(rt) * scale_x,
1401 (gdouble) 0.0 - src_y,
1403 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1404 it->x + pb_x, it->y + pb_y);
1405 pr_create_anaglyph(rt->stereo_mode, it->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h);
1406 /* do not care about freeing spare_tile, it will be reused */
1408 rt_tile_apply_orientation(rt, orientation, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
1412 if (draw && it->pixbuf && !it->blank)
1416 if (pr->func_post_process && !(pr->post_process_slow && fast))
1417 pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
1419 cr = cairo_create(it->surface);
1420 cairo_rectangle (cr, x, y, w, h);
1421 gdk_cairo_set_source_pixbuf(cr, it->pixbuf, 0, 0);
1428 static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
1429 gint x, gint y, gint w, gint h,
1430 gboolean new_data, gboolean fast)
1432 PixbufRenderer *pr = rt->pr;
1437 /* clamp to visible */
1438 if (it->x + x < rt->x_scroll)
1440 w -= rt->x_scroll - it->x - x;
1441 x = rt->x_scroll - it->x;
1443 if (it->x + x + w > rt->x_scroll + pr->vis_width)
1445 w = rt->x_scroll + pr->vis_width - it->x - x;
1448 if (it->y + y < rt->y_scroll)
1450 h -= rt->y_scroll - it->y - y;
1451 y = rt->y_scroll - it->y;
1453 if (it->y + y + h > rt->y_scroll + pr->vis_height)
1455 h = rt->y_scroll + pr->vis_height - it->y - y;
1459 rt_tile_render(rt, it, x, y, w, h, new_data, fast);
1461 box = GTK_WIDGET(pr);
1462 window = gtk_widget_get_window(box);
1464 cr = gdk_cairo_create(window);
1465 cairo_set_source_surface(cr, it->surface, pr->x_offset + (it->x - rt->x_scroll) + rt->stereo_off_x, pr->y_offset + (it->y - rt->y_scroll) + rt->stereo_off_y);
1466 cairo_rectangle (cr, 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);
1470 if (rt->overlay_list)
1472 rt_overlay_draw(rt, pr->x_offset + (it->x - rt->x_scroll) + x,
1473 pr->y_offset + (it->y - rt->y_scroll) + y,
1480 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
1482 PixbufRenderer *pr = rt->pr;
1483 return (it->x + it->w >= rt->x_scroll && it->x < rt->x_scroll + pr->vis_width &&
1484 it->y + it->h >= rt->y_scroll && it->y < rt->y_scroll + pr->vis_height);
1488 *-------------------------------------------------------------------
1490 *-------------------------------------------------------------------
1493 static gint rt_get_queued_area(GList *work)
1499 QueueData *qd = work->data;
1500 area += qd->w * qd->h;
1507 static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
1509 PixbufRenderer *pr = rt->pr;
1511 gint visible_area = pr->vis_width * pr->vis_height;
1516 DEBUG_2("redraw priority: 2pass");
1517 rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, NULL);
1521 if (visible_area == 0)
1528 percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
1533 /* we have enough data for starting intensive redrawing */
1534 DEBUG_2("redraw priority: high %.2f %%", percent);
1535 rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, NULL);
1539 if (percent < 1.0 || force_set)
1541 /* queue is (almost) empty, wait 50 ms*/
1542 DEBUG_2("redraw priority: wait %.2f %%", percent);
1543 rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, NULL);
1547 /* keep the same priority as before */
1548 DEBUG_2("redraw priority: no change %.2f %%", percent);
1553 static gboolean rt_queue_draw_idle_cb(gpointer data)
1555 RendererTiles *rt = data;
1556 PixbufRenderer *pr = rt->pr;
1561 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
1562 (!rt->draw_queue && !rt->draw_queue_2pass) ||
1565 pr_render_complete_signal(pr);
1567 rt->draw_idle_id = 0;
1573 qd = rt->draw_queue->data;
1574 fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
1580 /* still loading, wait till done (also drops the higher priority) */
1582 return rt_queue_schedule_next_draw(rt, FALSE);
1585 qd = rt->draw_queue_2pass->data;
1589 if (gtk_widget_get_realized(GTK_WIDGET(pr)))
1591 if (rt_tile_is_visible(rt, qd->it))
1593 rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1595 else if (qd->new_data)
1597 /* if new pixel data, and we already have a pixmap, update the tile */
1598 qd->it->blank = FALSE;
1599 if (qd->it->surface && qd->it->render_done == TILE_RENDER_ALL)
1601 rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1609 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
1614 rt_queue_merge(qd->it->qd2, qd);
1620 rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
1631 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
1635 if (!rt->draw_queue && !rt->draw_queue_2pass)
1637 pr_render_complete_signal(pr);
1639 rt->draw_idle_id = 0;
1643 return rt_queue_schedule_next_draw(rt, FALSE);
1646 static void rt_queue_list_free(GList *list)
1666 static void rt_queue_clear(RendererTiles *rt)
1668 rt_queue_list_free(rt->draw_queue);
1669 rt->draw_queue = NULL;
1671 rt_queue_list_free(rt->draw_queue_2pass);
1672 rt->draw_queue_2pass = NULL;
1674 if (rt->draw_idle_id)
1676 g_source_remove(rt->draw_idle_id);
1677 rt->draw_idle_id = 0;
1682 static void rt_queue_merge(QueueData *parent, QueueData *qd)
1684 if (parent->x + parent->w < qd->x + qd->w)
1686 parent->w += (qd->x + qd->w) - (parent->x + parent->w);
1688 if (parent->x > qd->x)
1690 parent->w += parent->x - qd->x;
1694 if (parent->y + parent->h < qd->y + qd->h)
1696 parent->h += (qd->y + qd->h) - (parent->y + parent->h);
1698 if (parent->y > qd->y)
1700 parent->h += parent->y - qd->y;
1704 parent->new_data |= qd->new_data;
1707 static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
1709 PixbufRenderer *pr = rt->pr;
1716 vh = pr->vis_height;
1721 if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
1724 nx = CLAMP(*x, vx, vx + vw);
1725 nw = CLAMP(*w - (nx - *x), 1, vw);
1727 ny = CLAMP(*y, vy, vy + vh);
1728 nh = CLAMP(*h - (ny - *y), 1, vh);
1738 static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
1739 gboolean clamp, ImageRenderType render,
1740 gboolean new_data, gboolean only_existing)
1742 PixbufRenderer *pr = rt->pr;
1747 if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
1749 x1 = ROUND_DOWN(x, rt->tile_width);
1750 x2 = ROUND_UP(x + w, rt->tile_width);
1752 y1 = ROUND_DOWN(y, rt->tile_height);
1753 y2 = ROUND_UP(y + h, rt->tile_height);
1755 for (j = y1; j <= y2; j += rt->tile_height)
1757 for (i = x1; i <= x2; i += rt->tile_width)
1761 it = rt_tile_get(rt, i, j,
1763 (i + rt->tile_width < rt->x_scroll ||
1764 i > rt->x_scroll + pr->vis_width ||
1765 j + rt->tile_height < rt->y_scroll ||
1766 j > rt->y_scroll + pr->vis_height)));
1771 if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
1772 (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
1774 it->render_todo = render;
1777 qd = g_new(QueueData, 1);
1779 qd->new_data = new_data;
1789 qd->w = x + w - i - qd->x;
1790 if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
1800 qd->h = y + h - j - qd->y;
1801 if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
1803 if (qd->w < 1 || qd->h < 1)
1809 rt_queue_merge(it->qd, qd);
1815 rt->draw_queue = g_list_append(rt->draw_queue, qd);
1824 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
1825 gboolean clamp, ImageRenderType render,
1826 gboolean new_data, gboolean only_existing)
1828 PixbufRenderer *pr = rt->pr;
1833 nx = CLAMP(x, 0, pr->width - 1);
1834 ny = CLAMP(y, 0, pr->height - 1);
1837 w = CLAMP(w, 0, pr->width - nx);
1838 h = CLAMP(h, 0, pr->height - ny);
1839 if (w < 1 || h < 1) return;
1841 if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
1842 ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
1844 if (rt->draw_idle_id)
1846 g_source_remove(rt->draw_idle_id);
1847 rt->draw_idle_id = 0;
1849 rt_queue_schedule_next_draw(rt, TRUE);
1853 static void rt_scroll(void *renderer, gint x_off, gint y_off)
1855 RendererTiles *rt = (RendererTiles *) renderer;
1856 PixbufRenderer *pr = rt->pr;
1859 if (rt->stereo_mode & PR_STEREO_MIRROR) x_off = -x_off;
1860 if (rt->stereo_mode & PR_STEREO_FLIP) y_off = -y_off;
1862 gint w = pr->vis_width - abs(x_off);
1863 gint h = pr->vis_height - abs(y_off);
1867 /* scrolled completely to new material */
1868 rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1878 cairo_surface_t *surface;
1902 box = GTK_WIDGET(pr);
1903 window = gtk_widget_get_window(box);
1905 cr = gdk_cairo_create(window);
1906 surface = cairo_get_target(cr);
1907 /* clipping restricts the intermediate surface's size, so it's a good idea
1909 cairo_rectangle(cr, x1 + pr->x_offset + rt->stereo_off_x, y1 + pr->y_offset + rt->stereo_off_y, w, h);
1911 /* Now push a group to change the target */
1912 cairo_push_group (cr);
1913 cairo_set_source_surface(cr, surface, x1 - x2, y1 - y2);
1915 /* Now copy the intermediate target back */
1916 cairo_pop_group_to_source(cr);
1920 rt_overlay_queue_all(rt, x2, y2, x1, y1);
1922 w = pr->vis_width - w;
1923 h = pr->vis_height - h;
1928 x_off > 0 ? rt->x_scroll + (pr->vis_width - w) : rt->x_scroll, rt->y_scroll,
1929 w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1933 /* FIXME, to optimize this, remove overlap */
1935 rt->x_scroll, y_off > 0 ? rt->y_scroll + (pr->vis_height - h) : rt->y_scroll,
1936 pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1941 static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
1943 RendererTiles *rt = (RendererTiles *)renderer;
1944 PixbufRenderer *pr = rt->pr;
1945 gint x, y, width, height, x1, y1, x2, y2;
1947 gint orientation = rt_get_orientation(rt);
1948 pr_coords_map_orientation_reverse(orientation,
1949 src_x - GET_RIGHT_PIXBUF_OFFSET(rt), src_y,
1950 pr->image_width, pr->image_height,
1955 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
1957 /* increase region when using a zoom quality that may access surrounding pixels */
1962 x1 = (gint)floor((gdouble)x * pr->scale);
1963 y1 = (gint)floor((gdouble)y * pr->scale * pr->aspect_ratio);
1964 x2 = (gint)ceil((gdouble)(x + width) * pr->scale);
1965 y2 = (gint)ceil((gdouble)(y + height) * pr->scale * pr->aspect_ratio);
1967 rt_queue(rt, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
1970 static void renderer_redraw(RendererTiles *rt, gint x, gint y, gint w, gint h,
1971 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
1973 PixbufRenderer *pr = rt->pr;
1975 x -= rt->stereo_off_x;
1976 y -= rt->stereo_off_y;
1978 rt_border_draw(rt, x, y, w, h);
1980 x = MAX(0, x - pr->x_offset + pr->x_scroll);
1981 y = MAX(0, y - pr->y_offset + pr->y_scroll);
1985 MIN(w, pr->width - x),
1986 MIN(h, pr->height - y),
1987 clamp, render, new_data, only_existing);
1990 static void renderer_update_pixbuf(void *renderer, gboolean lazy)
1992 rt_queue_clear((RendererTiles *)renderer);
1995 static void renderer_update_zoom(void *renderer, gboolean lazy)
1997 RendererTiles *rt = (RendererTiles *)renderer;
1998 PixbufRenderer *pr = rt->pr;
2000 rt_tile_invalidate_all((RendererTiles *)renderer);
2003 renderer_redraw(renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, TRUE, FALSE);
2005 rt_border_clear(rt);
2008 static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
2010 rt_tile_invalidate_region((RendererTiles *)renderer, x, y, w, h);
2013 static void renderer_update_viewport(void *renderer)
2015 RendererTiles *rt = (RendererTiles *)renderer;
2017 rt->stereo_off_x = 0;
2018 rt->stereo_off_y = 0;
2020 if (rt->stereo_mode & PR_STEREO_RIGHT)
2022 if (rt->stereo_mode & PR_STEREO_HORIZ)
2024 rt->stereo_off_x = rt->pr->viewport_width;
2026 else if (rt->stereo_mode & PR_STEREO_VERT)
2028 rt->stereo_off_y = rt->pr->viewport_height;
2030 else if (rt->stereo_mode & PR_STEREO_FIXED)
2032 rt->stereo_off_x = rt->pr->stereo_fixed_x_right;
2033 rt->stereo_off_y = rt->pr->stereo_fixed_y_right;
2038 if (rt->stereo_mode & PR_STEREO_FIXED)
2040 rt->stereo_off_x = rt->pr->stereo_fixed_x_left;
2041 rt->stereo_off_y = rt->pr->stereo_fixed_y_left;
2044 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);
2046 rt_overlay_update_sizes(rt);
2047 rt_border_clear(rt);
2050 static void renderer_stereo_set(void *renderer, gint stereo_mode)
2052 RendererTiles *rt = (RendererTiles *)renderer;
2054 rt->stereo_mode = stereo_mode;
2057 static void renderer_free(void *renderer)
2059 RendererTiles *rt = (RendererTiles *)renderer;
2061 rt_tile_free_all(rt);
2062 if (rt->spare_tile) g_object_unref(rt->spare_tile);
2063 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
2064 rt_overlay_list_clear(rt);
2065 /* disconnect "hierarchy-changed" */
2066 g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
2071 #if GTK_CHECK_VERSION(3,0,0)
2073 static gboolean rt_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2075 RendererTiles *rt = (RendererTiles *)data;
2076 if (gtk_widget_is_drawable(widget))
2078 if (gtk_widget_get_has_window(widget))
2081 if (gdk_cairo_get_clip_rectangle(cr, &area))
2083 renderer_redraw(rt, area.x, area.y, area.width, area.height,
2084 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2093 static gboolean rt_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2095 RendererTiles *rt = (RendererTiles *)data;
2096 if (gtk_widget_is_drawable(widget))
2098 if (gtk_widget_get_has_window(widget))
2100 if (event->window != gtk_widget_get_window(widget))
2104 gdk_window_get_position(event->window, &area.x, &area.y);
2105 area.x += event->area.x;
2106 area.y += event->area.y;
2107 area.width = event->area.width;
2108 area.height = event->area.height;
2109 renderer_redraw(rt, area.x, area.y, area.width, area.height,
2110 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2115 renderer_redraw(rt, event->area.x, event->area.y, event->area.width, event->area.height,
2116 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2126 RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
2128 RendererTiles *rt = g_new0(RendererTiles, 1);
2132 rt->f.area_changed = renderer_area_changed;
2133 rt->f.update_pixbuf = renderer_update_pixbuf;
2134 rt->f.free = renderer_free;
2135 rt->f.update_zoom = renderer_update_zoom;
2136 rt->f.invalidate_region = renderer_invalidate_region;
2137 rt->f.scroll = rt_scroll;
2138 rt->f.update_viewport = renderer_update_viewport;
2141 rt->f.overlay_add = renderer_tiles_overlay_add;
2142 rt->f.overlay_set = renderer_tiles_overlay_set;
2143 rt->f.overlay_get = renderer_tiles_overlay_get;
2145 rt->f.stereo_set = renderer_stereo_set;
2147 rt->tile_width = PR_TILE_SIZE;
2148 rt->tile_height = PR_TILE_SIZE;
2151 rt->tile_cache_size = 0;
2153 rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
2155 rt->draw_idle_id = 0;
2157 rt->stereo_mode = 0;
2158 rt->stereo_off_x = 0;
2159 rt->stereo_off_y = 0;
2161 g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
2162 G_CALLBACK(rt_hierarchy_changed_cb), rt);
2164 #if GTK_CHECK_VERSION(3,0,0)
2165 g_signal_connect(G_OBJECT(pr), "draw",
2166 G_CALLBACK(rt_draw_cb), rt);
2168 g_signal_connect(G_OBJECT(pr), "expose_event",
2169 G_CALLBACK(rt_expose_cb), rt);
2171 return (RendererFuncs *) rt;
2175 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */