2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2021 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 MiB 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;
138 cairo_surface_t *surface;
140 guint draw_idle_id; /* event source id */
142 GdkPixbuf *spare_tile;
148 gint x_scroll; /* allow local adjustment and mirroring */
156 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h);
157 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
160 static void rt_tile_free_all(RendererTiles *rt);
161 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h);
162 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
163 static void rt_queue_clear(RendererTiles *rt);
164 static void rt_queue_merge(QueueData *parent, QueueData *qd);
165 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
166 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
168 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
169 static gint rt_queue_draw_idle_cb(gpointer data);
171 #define GET_RIGHT_PIXBUF_OFFSET(rt) \
172 (( (rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
173 (!(rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
174 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
176 #define GET_LEFT_PIXBUF_OFFSET(rt) \
177 ((!(rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
178 ( (rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
179 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
182 static void rt_sync_scroll(RendererTiles *rt)
184 PixbufRenderer *pr = rt->pr;
186 rt->x_scroll = (rt->stereo_mode & PR_STEREO_MIRROR) ?
187 pr->width - pr->vis_width - pr->x_scroll
190 rt->y_scroll = (rt->stereo_mode & PR_STEREO_FLIP) ?
191 pr->height - pr->vis_height - pr->y_scroll
196 *-------------------------------------------------------------------
198 *-------------------------------------------------------------------
201 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
203 PixbufRenderer *pr = rt->pr;
209 box = GTK_WIDGET(pr);
210 window = gtk_widget_get_window(box);
214 #if GTK_CHECK_VERSION(3,0,0)
215 cr = cairo_create(rt->surface);
217 cr = gdk_cairo_create(window);
220 if (!pr->pixbuf && !pr->source_tiles_enabled)
222 if (pr_clip_region(x, y, w, h,
224 pr->viewport_width, pr->viewport_height,
227 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
228 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
230 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
236 if (pr->vis_width < pr->viewport_width)
238 if (pr->x_offset > 0 &&
239 pr_clip_region(x, y, w, h,
241 pr->x_offset, pr->viewport_height,
244 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
245 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
247 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
249 if (pr->viewport_width - pr->vis_width - pr->x_offset > 0 &&
250 pr_clip_region(x, y, w, h,
251 pr->x_offset + pr->vis_width, 0,
252 pr->viewport_width - pr->vis_width - pr->x_offset, pr->viewport_height,
255 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
256 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
258 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
261 if (pr->vis_height < pr->viewport_height)
263 if (pr->y_offset > 0 &&
264 pr_clip_region(x, y, w, h,
266 pr->vis_width, pr->y_offset,
269 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
270 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
272 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
274 if (pr->viewport_height - pr->vis_height - pr->y_offset > 0 &&
275 pr_clip_region(x, y, w, h,
276 pr->x_offset, pr->y_offset + pr->vis_height,
277 pr->vis_width, pr->viewport_height - pr->vis_height - pr->y_offset,
280 cairo_set_source_rgb(cr, (double)pr->color.red/65535, (double)pr->color.green/65535, (double)pr->color.blue/65535);
281 cairo_rectangle(cr, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
283 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
289 static void rt_border_clear(RendererTiles *rt)
291 PixbufRenderer *pr = rt->pr;
292 rt_border_draw(rt, 0, 0, pr->viewport_width, pr->viewport_height);
297 *-------------------------------------------------------------------
299 *-------------------------------------------------------------------
302 static ImageTile *rt_tile_new(gint x, gint y, gint width, gint height)
306 it = g_new0(ImageTile, 1);
313 it->render_done = TILE_RENDER_NONE;
318 static void rt_tile_free(ImageTile *it)
322 if (it->pixbuf) g_object_unref(it->pixbuf);
323 if (it->surface) cairo_surface_destroy(it->surface);
328 static void rt_tile_free_all(RendererTiles *rt)
343 g_list_free(rt->tiles);
345 rt->tile_cache_size = 0;
348 static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
350 PixbufRenderer *pr = rt->pr;
353 it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
355 if (it->x + it->w > pr->width) it->w = pr->width - it->x;
356 if (it->y + it->h > pr->height) it->h = pr->height - it->y;
358 rt->tiles = g_list_prepend(rt->tiles, it);
359 rt->tile_cache_size += it->size;
364 static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
368 QueueData *qd = it->qd;
371 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
377 QueueData *qd = it->qd2;
380 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
384 rt->tiles = g_list_remove(rt->tiles, it);
385 rt->tile_cache_size -= it->size;
390 static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
392 PixbufRenderer *pr = rt->pr;
396 work = g_list_last(rt->tiles);
398 if (pr->source_tiles_enabled && pr->scale < 1.0)
402 tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
403 tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
404 (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
408 tile_max = rt->tile_cache_max * 1048576;
411 while (work && rt->tile_cache_size + space > tile_max)
418 ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
422 static void rt_tile_invalidate_all(RendererTiles *rt)
424 PixbufRenderer *pr = rt->pr;
435 it->render_done = TILE_RENDER_NONE;
436 it->render_todo = TILE_RENDER_ALL;
439 it->w = MIN(rt->tile_width, pr->width - it->x);
440 it->h = MIN(rt->tile_height, pr->height - it->y);
444 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
450 x1 = ROUND_DOWN(x, rt->tile_width);
451 x2 = ROUND_UP(x + w, rt->tile_width);
453 y1 = ROUND_DOWN(y, rt->tile_height);
454 y2 = ROUND_UP(y + h, rt->tile_height);
464 if (it->x < x2 && it->x + it->w > x1 &&
465 it->y < y2 && it->y + it->h > y1)
467 it->render_done = TILE_RENDER_NONE;
468 it->render_todo = TILE_RENDER_ALL;
473 static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
483 if (it->x == x && it->y == y)
485 rt->tiles = g_list_delete_link(rt->tiles, work);
486 rt->tiles = g_list_prepend(rt->tiles, it);
493 if (only_existing) return NULL;
495 return rt_tile_add(rt, x, y);
498 static gint pixmap_calc_size(cairo_surface_t *surface)
502 // d = gdk_drawable_get_depth(pixmap);
503 // gdk_drawable_get_size(pixmap, &w, &h);
504 return PR_TILE_SIZE * PR_TILE_SIZE * 4 / 8;
507 static void rt_hidpi_aware_draw(
514 #if GTK_CHECK_VERSION(3, 10, 0)
515 cairo_surface_t *surface;
516 surface = gdk_cairo_surface_create_from_pixbuf(pixbuf, rt->hidpi_scale, NULL);
517 cairo_set_source_surface(cr, surface, x, y);
519 cairo_surface_destroy(surface);
521 gdk_cairo_set_source_pixbuf(cr, pixbuf, x, y);
526 static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
528 PixbufRenderer *pr = rt->pr;
531 cairo_surface_t *surface;
534 surface = gdk_window_create_similar_surface(gtk_widget_get_window((GtkWidget *)pr),
536 rt->tile_width, rt->tile_height);
538 size = pixmap_calc_size(surface) * rt->hidpi_scale * rt->hidpi_scale;
539 rt_tile_free_space(rt, size, it);
541 it->surface = surface;
543 rt->tile_cache_size += size;
550 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->hidpi_scale * rt->tile_width, rt->hidpi_scale * rt->tile_height);
552 size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height * rt->hidpi_scale;
553 rt_tile_free_space(rt, size, it);
557 rt->tile_cache_size += size;
562 *-------------------------------------------------------------------
564 *-------------------------------------------------------------------
567 static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
568 gint *x, gint *y, gint *w, gint *h)
570 PixbufRenderer *pr = rt->pr;
573 pw = gdk_pixbuf_get_width(od->pixbuf);
574 ph = gdk_pixbuf_get_height(od->pixbuf);
578 if (od->flags & OVL_RELATIVE)
580 if (px < 0) px = pr->viewport_width - pw + px;
581 if (py < 0) py = pr->viewport_height - ph + py;
590 static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
592 PixbufRenderer *pr = rt->pr;
594 GdkWindowAttr attributes;
595 gint attributes_mask;
597 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
599 attributes.window_type = GDK_WINDOW_CHILD;
600 attributes.wclass = GDK_INPUT_OUTPUT;
601 attributes.width = pw;
602 attributes.height = ph;
603 attributes.event_mask = GDK_EXPOSURE_MASK;
606 od->window = gdk_window_new(gtk_widget_get_window(GTK_WIDGET(pr)), &attributes, attributes_mask);
607 gdk_window_set_user_data(od->window, pr);
608 gdk_window_move(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y);
609 #if !GTK_CHECK_VERSION(3,0,0)
610 gdk_window_show(od->window);
614 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
617 PixbufRenderer *pr = rt->pr;
620 work = rt->overlay_list;
630 if (!od->window) rt_overlay_init_window(rt, od);
632 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
633 if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
635 if (!rt->overlay_buffer)
637 rt->overlay_buffer = gdk_window_create_similar_surface(gtk_widget_get_window((GtkWidget *)pr),
639 rt->tile_width, rt->tile_height);
646 cr = cairo_create(rt->overlay_buffer);
647 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);
648 cairo_rectangle(cr, 0, 0, rw, rh);
649 cairo_fill_preserve(cr);
651 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - rx, py - ry);
655 cr = gdk_cairo_create(od->window);
656 cairo_set_source_surface(cr, rt->overlay_buffer, rx - px, ry - py);
657 cairo_rectangle (cr, rx - px, ry - py, rw, rh);
663 /* no ImageTile means region may be larger than our scratch buffer */
666 for (sx = rx; sx < rx + rw; sx += rt->tile_width)
667 for (sy = ry; sy < ry + rh; sy += rt->tile_height)
672 sw = MIN(rx + rw - sx, rt->tile_width);
673 sh = MIN(ry + rh - sy, rt->tile_height);
675 cr = cairo_create(rt->overlay_buffer);
676 cairo_set_source_rgb(cr, 0, 0, 0);
677 cairo_rectangle(cr, 0, 0, sw, sh);
678 cairo_fill_preserve(cr);
680 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - sx, py - sy);
684 cr = gdk_cairo_create(od->window);
685 cairo_set_source_surface(cr, rt->overlay_buffer, sx - px, sy - py);
686 cairo_rectangle (cr, sx - px, sy - py, sw, sh);
695 static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
697 PixbufRenderer *pr = rt->pr;
700 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
708 rt_queue(rt, rt->x_scroll - pr->x_offset + x,
709 rt->y_scroll - pr->y_offset + y,
711 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
713 rt_border_draw(rt, x, y, w, h);
716 static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
720 work = rt->overlay_list;
723 OverlayData *od = work->data;
726 rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
730 static void rt_overlay_update_sizes(RendererTiles *rt)
734 work = rt->overlay_list;
737 OverlayData *od = work->data;
740 if (!od->window) rt_overlay_init_window(rt, od);
742 if (od->flags & OVL_RELATIVE)
746 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
747 gdk_window_move_resize(od->window, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
752 static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
756 work = rt->overlay_list;
759 OverlayData *od = work->data;
762 if (od->id == id) return od;
769 gint renderer_tiles_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y,
770 OverlayRendererFlags flags)
772 RendererTiles *rt = (RendererTiles *) renderer;
773 PixbufRenderer *pr = rt->pr;
777 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
778 g_return_val_if_fail(pixbuf != NULL, -1);
781 while (rt_overlay_find(rt, id)) id++;
783 od = g_new0(OverlayData, 1);
786 g_object_ref(G_OBJECT(od->pixbuf));
791 rt_overlay_init_window(rt, od);
793 rt->overlay_list = g_list_append(rt->overlay_list, od);
795 #if GTK_CHECK_VERSION(3,0,0)
796 gtk_widget_queue_draw(GTK_WIDGET(rt->pr));
798 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
804 static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
806 rt->overlay_list = g_list_remove(rt->overlay_list, od);
808 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
809 if (od->window) gdk_window_destroy(od->window);
812 if (!rt->overlay_list && rt->overlay_buffer)
814 cairo_surface_destroy(rt->overlay_buffer);
815 rt->overlay_buffer = NULL;
819 static void rt_overlay_list_clear(RendererTiles *rt)
821 while (rt->overlay_list)
825 od = rt->overlay_list->data;
826 rt_overlay_free(rt, od);
830 static void rt_overlay_list_reset_window(RendererTiles *rt)
834 if (rt->overlay_buffer) cairo_surface_destroy(rt->overlay_buffer);
835 rt->overlay_buffer = NULL;
837 work = rt->overlay_list;
840 OverlayData *od = work->data;
842 if (od->window) gdk_window_destroy(od->window);
847 #if GTK_CHECK_VERSION(3,0,0)
848 void renderer_tiles_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
850 RendererTiles *rc = (RendererTiles *)renderer;
851 PixbufRenderer *pr = rc->pr;
854 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
856 od = rt_overlay_find(rc, id);
861 g_object_ref(G_OBJECT(pixbuf));
862 g_object_unref(G_OBJECT(od->pixbuf));
867 rt_overlay_free(rc, od);
871 void renderer_tiles_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint x, gint y)
873 RendererTiles *rt = (RendererTiles *) renderer;
874 PixbufRenderer *pr = rt->pr;
877 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
879 od = rt_overlay_find(rt, id);
886 g_object_ref(G_OBJECT(pixbuf));
887 g_object_unref(G_OBJECT(od->pixbuf));
893 if (!od->window) rt_overlay_init_window(rt, od);
895 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
896 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
897 gdk_window_move_resize(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y, pw, ph);
901 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
902 rt_overlay_free(rt, od);
907 gboolean renderer_tiles_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
909 RendererTiles *rt = (RendererTiles *) renderer;
910 PixbufRenderer *pr = rt->pr;
913 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
915 od = rt_overlay_find(rt, id);
916 if (!od) return FALSE;
918 if (pixbuf) *pixbuf = od->pixbuf;
925 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data)
927 RendererTiles *rt = data;
928 rt_overlay_list_reset_window(rt);
932 *-------------------------------------------------------------------
934 *-------------------------------------------------------------------
937 static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
939 if (!rt->spare_tile) rt->spare_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width * rt->hidpi_scale, rt->tile_height * rt->hidpi_scale);
940 return rt->spare_tile;
943 #define COLOR_BYTES 3 /* rgb */
945 static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
947 GdkPixbuf *src = *tile;
950 guchar *s_pix, *d_pix;
952 guchar *ip, *spi, *dpi;
954 gint tw = rt->tile_width * rt->hidpi_scale;
956 srs = gdk_pixbuf_get_rowstride(src);
957 s_pix = gdk_pixbuf_get_pixels(src);
958 spi = s_pix + (x * COLOR_BYTES);
960 dest = rt_get_spare_tile(rt);
961 drs = gdk_pixbuf_get_rowstride(dest);
962 d_pix = gdk_pixbuf_get_pixels(dest);
963 dpi = d_pix + (tw - 1) * COLOR_BYTES;
965 for (i = y; i < y + h; i++)
967 sp = spi + (i * srs);
968 ip = dpi - (i * COLOR_BYTES);
969 for (j = x; j < x + w; j++)
972 memcpy(dp, sp, COLOR_BYTES);
977 rt->spare_tile = src;
981 static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
983 GdkPixbuf *src = *tile;
986 guchar *s_pix, *d_pix;
988 guchar *ip, *spi, *dpi;
990 gint th = rt->tile_height * rt->hidpi_scale;
992 srs = gdk_pixbuf_get_rowstride(src);
993 s_pix = gdk_pixbuf_get_pixels(src);
994 spi = s_pix + (x * COLOR_BYTES);
996 dest = rt_get_spare_tile(rt);
997 drs = gdk_pixbuf_get_rowstride(dest);
998 d_pix = gdk_pixbuf_get_pixels(dest);
999 dpi = d_pix + (th - 1) * drs;
1001 for (i = y; i < y + h; i++)
1003 sp = spi + (i * srs);
1004 ip = dpi + (i * COLOR_BYTES);
1005 for (j = x; j < x + w; j++)
1007 dp = ip - (j * drs);
1008 memcpy(dp, sp, COLOR_BYTES);
1013 rt->spare_tile = src;
1017 static void rt_tile_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1019 GdkPixbuf *src = *tile;
1022 guchar *s_pix, *d_pix;
1027 gint tw = rt->tile_width * rt->hidpi_scale;
1029 srs = gdk_pixbuf_get_rowstride(src);
1030 s_pix = gdk_pixbuf_get_pixels(src);
1031 spi = s_pix + (x * COLOR_BYTES);
1033 dest = rt_get_spare_tile(rt);
1034 drs = gdk_pixbuf_get_rowstride(dest);
1035 d_pix = gdk_pixbuf_get_pixels(dest);
1036 dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
1038 for (i = y; i < y + h; i++)
1040 sp = spi + (i * srs);
1041 dp = dpi + (i * drs);
1042 for (j = 0; j < w; j++)
1044 memcpy(dp, sp, COLOR_BYTES);
1050 rt->spare_tile = src;
1054 static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1056 GdkPixbuf *src = *tile;
1059 guchar *s_pix, *d_pix;
1063 gint tw = rt->tile_width * rt->hidpi_scale;
1064 gint th = rt->tile_height * rt->hidpi_scale;
1066 srs = gdk_pixbuf_get_rowstride(src);
1067 s_pix = gdk_pixbuf_get_pixels(src);
1069 dest = rt_get_spare_tile(rt);
1070 drs = gdk_pixbuf_get_rowstride(dest);
1071 d_pix = gdk_pixbuf_get_pixels(dest);
1072 dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
1074 for (i = y; i < y + h; i++)
1076 sp = s_pix + (i * srs) + (x * COLOR_BYTES);
1077 dp = dpi - (i * drs) - (x * COLOR_BYTES);
1078 for (j = 0; j < w; j++)
1080 memcpy(dp, sp, COLOR_BYTES);
1086 rt->spare_tile = src;
1090 static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1092 GdkPixbuf *src = *tile;
1095 guchar *s_pix, *d_pix;
1099 gint th = rt->tile_height * rt->hidpi_scale;
1101 srs = gdk_pixbuf_get_rowstride(src);
1102 s_pix = gdk_pixbuf_get_pixels(src);
1103 spi = s_pix + (x * COLOR_BYTES);
1105 dest = rt_get_spare_tile(rt);
1106 drs = gdk_pixbuf_get_rowstride(dest);
1107 d_pix = gdk_pixbuf_get_pixels(dest);
1108 dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
1110 for (i = y; i < y + h; i++)
1112 sp = spi + (i * srs);
1113 dp = dpi - (i * drs);
1114 memcpy(dp, sp, w * COLOR_BYTES);
1117 rt->spare_tile = src;
1121 static void rt_tile_apply_orientation(RendererTiles *rt, gint orientation, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
1123 switch (orientation)
1125 case EXIF_ORIENTATION_TOP_LEFT:
1126 /* normal -- nothing to do */
1128 case EXIF_ORIENTATION_TOP_RIGHT:
1131 rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
1134 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1137 rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
1140 case EXIF_ORIENTATION_BOTTOM_LEFT:
1143 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1146 case EXIF_ORIENTATION_LEFT_TOP:
1148 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1149 rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1152 case EXIF_ORIENTATION_RIGHT_TOP:
1153 /* rotated -90 (270) */
1155 rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
1158 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1160 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1161 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1164 case EXIF_ORIENTATION_LEFT_BOTTOM:
1167 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
1171 /* The other values are out of range */
1176 static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
1177 gint x, gint y, gint w, gint h,
1178 gboolean new_data, gboolean fast)
1180 PixbufRenderer *pr = rt->pr;
1183 gboolean draw = FALSE;
1185 if (pr->zoom == 1.0 || pr->scale == 1.0)
1187 list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
1192 gint rx, ry, rw, rh;
1197 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1198 it->x + x, it->y + y, w, h,
1199 &rx, &ry, &rw, &rh))
1202 cr = cairo_create(it->surface);
1203 cairo_rectangle (cr, rx - it->x, ry - it->y, rw, rh);
1207 cairo_set_source_rgb(cr, 0, 0, 0);
1210 else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
1212 rt_hidpi_aware_draw(rt, cr, st->pixbuf, -it->x + st->x, -it->y + st->y);
1220 gdouble scale_x, scale_y;
1221 gint sx, sy, sw, sh;
1223 if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
1224 scale_x = (gdouble)pr->width / pr->image_width;
1225 scale_y = (gdouble)pr->height / pr->image_height;
1227 sx = (gdouble)(it->x + x) / scale_x;
1228 sy = (gdouble)(it->y + y) / scale_y;
1229 sw = (gdouble)w / scale_x;
1230 sh = (gdouble)h / scale_y;
1232 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1235 /* draws red over draw region, to check for leaks (regions not filled) */
1236 pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
1239 list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
1244 gint rx, ry, rw, rh;
1245 gint stx, sty, stw, sth;
1250 stx = floor((gdouble)st->x * scale_x);
1251 sty = floor((gdouble)st->y * scale_y);
1252 stw = ceil((gdouble)(st->x + pr->source_tile_width) * scale_x) - stx;
1253 sth = ceil((gdouble)(st->y + pr->source_tile_height) * scale_y) - sty;
1255 if (pr_clip_region(stx, sty, stw, sth,
1256 it->x + x, it->y + y, w, h,
1257 &rx, &ry, &rw, &rh))
1263 cr = cairo_create(it->surface);
1264 cairo_rectangle (cr, rx - st->x, ry - st->y, rw, rh);
1265 cairo_set_source_rgb(cr, 0, 0, 0);
1274 /* may need to use unfloored stx,sty values here */
1275 offset_x = (gdouble)(stx - it->x);
1276 offset_y = (gdouble)(sty - it->y);
1278 gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
1279 (gdouble) 0.0 + offset_x,
1280 (gdouble) 0.0 + offset_y,
1282 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
1297 * @param ignore_alpha
1308 * @param interp_type
1311 * @param wide_image Used as a work-around for a GdkPixbuf problem. Set when image width is > 32767. Problem exhibited with gdk_pixbuf_copy_area() and GDK_INTERP_NEAREST. See #772 on GitHub Geeqie
1315 static void rt_tile_get_region(gboolean has_alpha, gboolean ignore_alpha,
1316 const GdkPixbuf *src, GdkPixbuf *dest,
1317 int pb_x, int pb_y, int pb_w, int pb_h,
1318 double offset_x, double offset_y, double scale_x, double scale_y,
1319 GdkInterpType interp_type,
1320 int check_x, int check_y, gboolean wide_image)
1322 GdkPixbuf* tmppixbuf;
1333 if (scale_x == 1.0 && scale_y == 1.0)
1337 srs = gdk_pixbuf_get_rowstride(src);
1338 drs = gdk_pixbuf_get_rowstride(dest);
1339 psrc = gdk_pixbuf_get_pixels(src);
1340 pdst = gdk_pixbuf_get_pixels(dest);
1341 for (y = 0; y < pb_h; y++)
1343 for (x = 0; x < pb_w; x++)
1345 for (c = 0; c < 3; c++)
1347 pdst[(y * drs) + x*3 + c] = psrc[(-(int)offset_y + pb_y + y) * srs + (-(int)offset_x + pb_x+x)*3 + c];
1354 gdk_pixbuf_copy_area(src,
1355 -offset_x + pb_x, -offset_y + pb_y,
1363 gdk_pixbuf_scale(src, dest,
1364 pb_x, pb_y, pb_w, pb_h,
1368 (wide_image && interp_type == GDK_INTERP_NEAREST) ? GDK_INTERP_TILES : interp_type);
1375 tmppixbuf = gdk_pixbuf_add_alpha(src, FALSE, 0, 0, 0);
1377 pixbuf_ignore_alpha_rect(tmppixbuf, 0, 0, gdk_pixbuf_get_width(src), gdk_pixbuf_get_height(src));
1379 gdk_pixbuf_composite_color(tmppixbuf, dest,
1380 pb_x, pb_y, pb_w, pb_h,
1384 (scale_x == 1.0 && scale_y == 1.0) ? GDK_INTERP_NEAREST : interp_type,
1385 255, check_x, check_y,
1386 PR_ALPHA_CHECK_SIZE,
1387 ((options->image.alpha_color_1.red << 8 & 0x00FF0000) +
1388 (options->image.alpha_color_1.green & 0x00FF00) +
1389 (options->image.alpha_color_1.blue >> 8 & 0x00FF)),
1390 ((options->image.alpha_color_2.red << 8 & 0x00FF0000) +
1391 (options->image.alpha_color_2.green & 0x00FF00) +
1392 (options->image.alpha_color_2.blue >> 8 & 0x00FF)));
1393 g_object_unref(tmppixbuf);
1397 gdk_pixbuf_composite_color(src, dest,
1398 pb_x, pb_y, pb_w, pb_h,
1402 (scale_x == 1.0 && scale_y == 1.0) ? GDK_INTERP_NEAREST : interp_type,
1403 255, check_x, check_y,
1404 PR_ALPHA_CHECK_SIZE,
1405 ((options->image.alpha_color_1.red << 8 & 0x00FF0000) +
1406 (options->image.alpha_color_1.green & 0x00FF00) +
1407 (options->image.alpha_color_1.blue >> 8 & 0x00FF)),
1408 ((options->image.alpha_color_2.red << 8 & 0x00FF0000) +
1409 (options->image.alpha_color_2.green & 0x00FF00) +
1410 (options->image.alpha_color_2.blue >> 8 & 0x00FF)));
1416 static gint rt_get_orientation(RendererTiles *rt)
1418 PixbufRenderer *pr = rt->pr;
1420 gint orientation = pr->orientation;
1421 static const gint mirror[] = {1, 2, 1, 4, 3, 6, 5, 8, 7};
1422 static const gint flip[] = {1, 4, 3, 2, 1, 8, 7, 6, 5};
1424 if (rt->stereo_mode & PR_STEREO_MIRROR) orientation = mirror[orientation];
1425 if (rt->stereo_mode & PR_STEREO_FLIP) orientation = flip[orientation];
1430 static void rt_tile_render(RendererTiles *rt, ImageTile *it,
1431 gint x, gint y, gint w, gint h,
1432 gboolean new_data, gboolean fast)
1434 PixbufRenderer *pr = rt->pr;
1436 gboolean draw = FALSE;
1437 gint orientation = rt_get_orientation(rt);
1438 gboolean wide_image = FALSE;
1440 if (it->render_todo == TILE_RENDER_NONE && it->surface && !new_data) return;
1442 if (it->render_done != TILE_RENDER_ALL)
1448 if (!fast) it->render_done = TILE_RENDER_ALL;
1450 else if (it->render_todo != TILE_RENDER_AREA)
1452 if (!fast) it->render_todo = TILE_RENDER_NONE;
1456 if (!fast) it->render_todo = TILE_RENDER_NONE;
1458 if (new_data) it->blank = FALSE;
1460 rt_tile_prepare(rt, it);
1461 has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
1463 /** @FIXME checker colors for alpha should be configurable,
1464 * also should be drawn for blank = TRUE
1469 /* no data, do fast rect fill */
1471 cr = cairo_create(it->surface);
1472 cairo_rectangle (cr, 0, 0, it->w, it->h);
1473 cairo_set_source_rgb(cr, 0, 0, 0);
1477 else if (pr->source_tiles_enabled)
1479 draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
1483 gdouble scale_x, scale_y;
1484 gdouble src_x, src_y;
1488 if (pr->image_width == 0 || pr->image_height == 0) return;
1490 scale_x = rt->hidpi_scale * (gdouble)pr->width / pr->image_width;
1491 scale_y = rt->hidpi_scale * (gdouble)pr->height / pr->image_height;
1493 pr_tile_coords_map_orientation(orientation, it->x, it->y,
1494 pr->width, pr->height,
1495 rt->tile_width, rt->tile_height,
1497 pr_tile_region_map_orientation(orientation, x, y,
1498 rt->tile_width, rt->tile_height,
1503 src_x *= rt->hidpi_scale;
1504 src_y *= rt->hidpi_scale;
1505 pb_x *= rt->hidpi_scale;
1506 pb_y *= rt->hidpi_scale;
1507 pb_w *= rt->hidpi_scale;
1508 pb_h *= rt->hidpi_scale;
1510 switch (orientation)
1513 case EXIF_ORIENTATION_LEFT_TOP:
1514 case EXIF_ORIENTATION_RIGHT_TOP:
1515 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1516 case EXIF_ORIENTATION_LEFT_BOTTOM:
1526 /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
1527 * small sizes for anything but GDK_INTERP_NEAREST
1529 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1530 if (pr->image_width > 32767) wide_image = TRUE;
1532 rt_tile_get_region(has_alpha, pr->ignore_alpha,
1533 pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
1534 (gdouble) 0.0 - src_x - GET_RIGHT_PIXBUF_OFFSET(rt) * scale_x,
1535 (gdouble) 0.0 - src_y,
1537 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1538 it->x + pb_x, it->y + pb_y, wide_image);
1539 if (rt->stereo_mode & PR_STEREO_ANAGLYPH &&
1540 (pr->stereo_pixbuf_offset_right > 0 || pr->stereo_pixbuf_offset_left > 0))
1542 GdkPixbuf *right_pb = rt_get_spare_tile(rt);
1543 rt_tile_get_region(has_alpha, pr->ignore_alpha,
1544 pr->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h,
1545 (gdouble) 0.0 - src_x - GET_LEFT_PIXBUF_OFFSET(rt) * scale_x,
1546 (gdouble) 0.0 - src_y,
1548 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1549 it->x + pb_x, it->y + pb_y, wide_image);
1550 pr_create_anaglyph(rt->stereo_mode, it->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h);
1551 /* do not care about freeing spare_tile, it will be reused */
1553 rt_tile_apply_orientation(rt, orientation, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
1557 if (draw && it->pixbuf && !it->blank)
1561 if (pr->func_post_process && !(pr->post_process_slow && fast))
1562 pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
1564 cr = cairo_create(it->surface);
1565 cairo_rectangle (cr, x, y, w, h);
1566 rt_hidpi_aware_draw(rt, cr, it->pixbuf, 0, 0);
1572 static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
1573 gint x, gint y, gint w, gint h,
1574 gboolean new_data, gboolean fast)
1576 PixbufRenderer *pr = rt->pr;
1581 /* clamp to visible */
1582 if (it->x + x < rt->x_scroll)
1584 w -= rt->x_scroll - it->x - x;
1585 x = rt->x_scroll - it->x;
1587 if (it->x + x + w > rt->x_scroll + pr->vis_width)
1589 w = rt->x_scroll + pr->vis_width - it->x - x;
1592 if (it->y + y < rt->y_scroll)
1594 h -= rt->y_scroll - it->y - y;
1595 y = rt->y_scroll - it->y;
1597 if (it->y + y + h > rt->y_scroll + pr->vis_height)
1599 h = rt->y_scroll + pr->vis_height - it->y - y;
1603 rt_tile_render(rt, it, x, y, w, h, new_data, fast);
1605 box = GTK_WIDGET(pr);
1606 window = gtk_widget_get_window(box);
1608 #if GTK_CHECK_VERSION(3,0,0)
1609 cr = cairo_create(rt->surface);
1611 cr = gdk_cairo_create(window);
1613 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);
1614 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);
1618 if (rt->overlay_list)
1620 rt_overlay_draw(rt, pr->x_offset + (it->x - rt->x_scroll) + x,
1621 pr->y_offset + (it->y - rt->y_scroll) + y,
1626 #if GTK_CHECK_VERSION(3,0,0)
1627 gtk_widget_queue_draw(GTK_WIDGET(rt->pr));
1632 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
1634 PixbufRenderer *pr = rt->pr;
1635 return (it->x + it->w >= rt->x_scroll && it->x < rt->x_scroll + pr->vis_width &&
1636 it->y + it->h >= rt->y_scroll && it->y < rt->y_scroll + pr->vis_height);
1640 *-------------------------------------------------------------------
1642 *-------------------------------------------------------------------
1645 static gint rt_get_queued_area(GList *work)
1651 QueueData *qd = work->data;
1652 area += qd->w * qd->h;
1659 static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
1661 PixbufRenderer *pr = rt->pr;
1663 gint visible_area = pr->vis_width * pr->vis_height;
1668 DEBUG_2("redraw priority: 2pass");
1669 rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, NULL);
1673 if (visible_area == 0)
1680 percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
1685 /* we have enough data for starting intensive redrawing */
1686 DEBUG_2("redraw priority: high %.2f %%", percent);
1687 rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, NULL);
1691 if (percent < 1.0 || force_set)
1693 /* queue is (almost) empty, wait 50 ms*/
1694 DEBUG_2("redraw priority: wait %.2f %%", percent);
1695 rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, NULL);
1699 /* keep the same priority as before */
1700 DEBUG_2("redraw priority: no change %.2f %%", percent);
1705 static gboolean rt_queue_draw_idle_cb(gpointer data)
1707 RendererTiles *rt = data;
1708 PixbufRenderer *pr = rt->pr;
1713 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
1714 (!rt->draw_queue && !rt->draw_queue_2pass) ||
1717 pr_render_complete_signal(pr);
1719 rt->draw_idle_id = 0;
1725 qd = rt->draw_queue->data;
1726 fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
1732 /* still loading, wait till done (also drops the higher priority) */
1734 return rt_queue_schedule_next_draw(rt, FALSE);
1737 qd = rt->draw_queue_2pass->data;
1741 if (gtk_widget_get_realized(GTK_WIDGET(pr)))
1743 if (rt_tile_is_visible(rt, qd->it))
1745 rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1747 else if (qd->new_data)
1749 /* if new pixel data, and we already have a pixmap, update the tile */
1750 qd->it->blank = FALSE;
1751 if (qd->it->surface && qd->it->render_done == TILE_RENDER_ALL)
1753 rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1761 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
1766 rt_queue_merge(qd->it->qd2, qd);
1772 rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
1783 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
1787 if (!rt->draw_queue && !rt->draw_queue_2pass)
1789 pr_render_complete_signal(pr);
1791 rt->draw_idle_id = 0;
1795 return rt_queue_schedule_next_draw(rt, FALSE);
1798 static void rt_queue_list_free(GList *list)
1818 static void rt_queue_clear(RendererTiles *rt)
1820 rt_queue_list_free(rt->draw_queue);
1821 rt->draw_queue = NULL;
1823 rt_queue_list_free(rt->draw_queue_2pass);
1824 rt->draw_queue_2pass = NULL;
1826 if (rt->draw_idle_id)
1828 g_source_remove(rt->draw_idle_id);
1829 rt->draw_idle_id = 0;
1834 static void rt_queue_merge(QueueData *parent, QueueData *qd)
1836 if (parent->x + parent->w < qd->x + qd->w)
1838 parent->w += (qd->x + qd->w) - (parent->x + parent->w);
1840 if (parent->x > qd->x)
1842 parent->w += parent->x - qd->x;
1846 if (parent->y + parent->h < qd->y + qd->h)
1848 parent->h += (qd->y + qd->h) - (parent->y + parent->h);
1850 if (parent->y > qd->y)
1852 parent->h += parent->y - qd->y;
1856 parent->new_data |= qd->new_data;
1859 static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
1861 PixbufRenderer *pr = rt->pr;
1868 vh = pr->vis_height;
1873 if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
1876 nx = CLAMP(*x, vx, vx + vw);
1877 nw = CLAMP(*w - (nx - *x), 1, vw);
1879 ny = CLAMP(*y, vy, vy + vh);
1880 nh = CLAMP(*h - (ny - *y), 1, vh);
1890 static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
1891 gboolean clamp, ImageRenderType render,
1892 gboolean new_data, gboolean only_existing)
1894 PixbufRenderer *pr = rt->pr;
1899 if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
1901 x1 = ROUND_DOWN(x, rt->tile_width);
1902 x2 = ROUND_UP(x + w, rt->tile_width);
1904 y1 = ROUND_DOWN(y, rt->tile_height);
1905 y2 = ROUND_UP(y + h, rt->tile_height);
1907 for (j = y1; j <= y2; j += rt->tile_height)
1909 for (i = x1; i <= x2; i += rt->tile_width)
1913 it = rt_tile_get(rt, i, j,
1915 (i + rt->tile_width < rt->x_scroll ||
1916 i > rt->x_scroll + pr->vis_width ||
1917 j + rt->tile_height < rt->y_scroll ||
1918 j > rt->y_scroll + pr->vis_height)));
1923 if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
1924 (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
1926 it->render_todo = render;
1929 qd = g_new(QueueData, 1);
1931 qd->new_data = new_data;
1941 qd->w = x + w - i - qd->x;
1942 if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
1952 qd->h = y + h - j - qd->y;
1953 if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
1955 if (qd->w < 1 || qd->h < 1)
1961 rt_queue_merge(it->qd, qd);
1967 rt->draw_queue = g_list_append(rt->draw_queue, qd);
1976 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
1977 gboolean clamp, ImageRenderType render,
1978 gboolean new_data, gboolean only_existing)
1980 PixbufRenderer *pr = rt->pr;
1985 nx = CLAMP(x, 0, pr->width - 1);
1986 ny = CLAMP(y, 0, pr->height - 1);
1989 w = CLAMP(w, 0, pr->width - nx);
1990 h = CLAMP(h, 0, pr->height - ny);
1991 if (w < 1 || h < 1) return;
1993 if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
1994 ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
1996 if (rt->draw_idle_id)
1998 g_source_remove(rt->draw_idle_id);
1999 rt->draw_idle_id = 0;
2001 rt_queue_schedule_next_draw(rt, TRUE);
2005 static void rt_scroll(void *renderer, gint x_off, gint y_off)
2007 RendererTiles *rt = (RendererTiles *) renderer;
2008 PixbufRenderer *pr = rt->pr;
2011 if (rt->stereo_mode & PR_STEREO_MIRROR) x_off = -x_off;
2012 if (rt->stereo_mode & PR_STEREO_FLIP) y_off = -y_off;
2014 gint w = pr->vis_width - abs(x_off);
2015 gint h = pr->vis_height - abs(y_off);
2019 /* scrolled completely to new material */
2020 rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2030 cairo_surface_t *surface;
2054 #if GTK_CHECK_VERSION(3,0,0)
2055 cr = cairo_create(rt->surface);
2056 surface = rt->surface;
2058 box = GTK_WIDGET(pr);
2059 window = gtk_widget_get_window(box);
2061 cr = gdk_cairo_create(window);
2062 surface = cairo_get_target(cr);
2064 /* clipping restricts the intermediate surface's size, so it's a good idea
2066 cairo_rectangle(cr, x1 + pr->x_offset + rt->stereo_off_x, y1 + pr->y_offset + rt->stereo_off_y, w, h);
2068 /* Now push a group to change the target */
2069 cairo_push_group (cr);
2070 cairo_set_source_surface(cr, surface, x1 - x2, y1 - y2);
2072 /* Now copy the intermediate target back */
2073 cairo_pop_group_to_source(cr);
2077 rt_overlay_queue_all(rt, x2, y2, x1, y1);
2079 w = pr->vis_width - w;
2080 h = pr->vis_height - h;
2085 x_off > 0 ? rt->x_scroll + (pr->vis_width - w) : rt->x_scroll, rt->y_scroll,
2086 w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2090 /** @FIXME to optimize this, remove overlap */
2092 rt->x_scroll, y_off > 0 ? rt->y_scroll + (pr->vis_height - h) : rt->y_scroll,
2093 pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2098 static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
2100 RendererTiles *rt = (RendererTiles *)renderer;
2101 PixbufRenderer *pr = rt->pr;
2102 gint x, y, width, height, x1, y1, x2, y2;
2104 gint orientation = rt_get_orientation(rt);
2105 pr_coords_map_orientation_reverse(orientation,
2106 src_x - GET_RIGHT_PIXBUF_OFFSET(rt), src_y,
2107 pr->image_width, pr->image_height,
2112 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
2114 /* increase region when using a zoom quality that may access surrounding pixels */
2119 x1 = (gint)floor((gdouble)x * pr->scale);
2120 y1 = (gint)floor((gdouble)y * pr->scale * pr->aspect_ratio);
2121 x2 = (gint)ceil((gdouble)(x + width) * pr->scale);
2122 y2 = (gint)ceil((gdouble)(y + height) * pr->scale * pr->aspect_ratio);
2124 rt_queue(rt, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2127 static void renderer_redraw(RendererTiles *rt, gint x, gint y, gint w, gint h,
2128 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
2130 PixbufRenderer *pr = rt->pr;
2132 x -= rt->stereo_off_x;
2133 y -= rt->stereo_off_y;
2135 rt_border_draw(rt, x, y, w, h);
2137 x = MAX(0, x - pr->x_offset + pr->x_scroll);
2138 y = MAX(0, y - pr->y_offset + pr->y_scroll);
2142 MIN(w, pr->width - x),
2143 MIN(h, pr->height - y),
2144 clamp, render, new_data, only_existing);
2147 static void renderer_update_pixbuf(void *renderer, gboolean lazy)
2149 rt_queue_clear((RendererTiles *)renderer);
2152 static void renderer_update_zoom(void *renderer, gboolean lazy)
2154 RendererTiles *rt = (RendererTiles *)renderer;
2155 PixbufRenderer *pr = rt->pr;
2157 rt_tile_invalidate_all((RendererTiles *)renderer);
2160 renderer_redraw(renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, TRUE, FALSE);
2162 rt_border_clear(rt);
2165 static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
2167 rt_tile_invalidate_region((RendererTiles *)renderer, x, y, w, h);
2170 static void renderer_update_viewport(void *renderer)
2172 RendererTiles *rt = (RendererTiles *)renderer;
2174 rt->stereo_off_x = 0;
2175 rt->stereo_off_y = 0;
2177 if (rt->stereo_mode & PR_STEREO_RIGHT)
2179 if (rt->stereo_mode & PR_STEREO_HORIZ)
2181 rt->stereo_off_x = rt->pr->viewport_width;
2183 else if (rt->stereo_mode & PR_STEREO_VERT)
2185 rt->stereo_off_y = rt->pr->viewport_height;
2187 else if (rt->stereo_mode & PR_STEREO_FIXED)
2189 rt->stereo_off_x = rt->pr->stereo_fixed_x_right;
2190 rt->stereo_off_y = rt->pr->stereo_fixed_y_right;
2195 if (rt->stereo_mode & PR_STEREO_FIXED)
2197 rt->stereo_off_x = rt->pr->stereo_fixed_x_left;
2198 rt->stereo_off_y = rt->pr->stereo_fixed_y_left;
2201 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);
2203 rt_overlay_update_sizes(rt);
2204 rt_border_clear(rt);
2207 static void renderer_stereo_set(void *renderer, gint stereo_mode)
2209 RendererTiles *rt = (RendererTiles *)renderer;
2211 rt->stereo_mode = stereo_mode;
2214 static void renderer_free(void *renderer)
2216 RendererTiles *rt = (RendererTiles *)renderer;
2218 rt_tile_free_all(rt);
2219 if (rt->spare_tile) g_object_unref(rt->spare_tile);
2220 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
2221 rt_overlay_list_clear(rt);
2222 /* disconnect "hierarchy-changed" */
2223 g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
2228 #if GTK_CHECK_VERSION(3,0,0)
2229 static gboolean rt_realize_cb(GtkWidget *widget, gpointer data)
2231 RendererTiles *rt = (RendererTiles *)data;
2236 rt->surface = gdk_window_create_similar_surface(gtk_widget_get_window(widget), CAIRO_CONTENT_COLOR, gtk_widget_get_allocated_width(widget), gtk_widget_get_allocated_height(widget));
2238 cr = cairo_create(rt->surface);
2239 cairo_set_source_rgb(cr, (gdouble)options->image.border_color.red /65535, (gdouble)options->image.border_color.green / 65535, (gdouble)options->image.border_color.blue / 65535);
2247 static gboolean rt_size_allocate_cb(GtkWidget *widget, GdkRectangle *allocation, gpointer data)
2249 RendererTiles *rt = data;
2251 cairo_surface_t *old_surface;
2253 if (gtk_widget_get_realized(GTK_WIDGET(rt->pr)))
2255 old_surface = rt->surface;
2256 rt->surface = gdk_window_create_similar_surface(gtk_widget_get_window(widget), CAIRO_CONTENT_COLOR, allocation->width, allocation->height);
2258 cr = cairo_create(rt->surface);
2260 cairo_set_source_rgb(cr, (gdouble)options->image.border_color.red / 65535, (gdouble)options->image.border_color.green / 65535, (gdouble)options->image.border_color.blue / 65535);
2262 cairo_set_source_surface(cr, old_surface, 0, 0);
2265 cairo_surface_destroy(old_surface);
2267 renderer_redraw(rt, allocation->x, allocation->y, allocation->width, allocation->height, FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2273 static gboolean rt_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2275 RendererTiles *rt = (RendererTiles *)data;
2279 cairo_set_source_surface (cr, rt->surface, 0, 0);
2282 work = rt->overlay_list;
2286 gint px, py, pw, ph;
2287 pw = gdk_pixbuf_get_width(od->pixbuf);
2288 ph = gdk_pixbuf_get_height(od->pixbuf);
2292 if (od->flags & OVL_RELATIVE)
2294 if (px < 0) px = rt->pr->viewport_width - pw + px;
2295 if (py < 0) py = rt->pr->viewport_height - ph + py;
2298 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px, py);
2307 static gboolean rt_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2309 RendererTiles *rt = (RendererTiles *)data;
2310 if (gtk_widget_is_drawable(widget))
2312 if (gtk_widget_get_has_window(widget))
2314 if (event->window != gtk_widget_get_window(widget))
2318 gdk_window_get_position(event->window, &area.x, &area.y);
2319 area.x += event->area.x;
2320 area.y += event->area.y;
2321 area.width = event->area.width;
2322 area.height = event->area.height;
2323 renderer_redraw(rt, area.x, area.y, area.width, area.height,
2324 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2329 renderer_redraw(rt, event->area.x, event->area.y, event->area.width, event->area.height,
2330 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2340 RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
2342 RendererTiles *rt = g_new0(RendererTiles, 1);
2346 rt->f.area_changed = renderer_area_changed;
2347 rt->f.update_pixbuf = renderer_update_pixbuf;
2348 rt->f.free = renderer_free;
2349 rt->f.update_zoom = renderer_update_zoom;
2350 rt->f.invalidate_region = renderer_invalidate_region;
2351 rt->f.scroll = rt_scroll;
2352 rt->f.update_viewport = renderer_update_viewport;
2355 rt->f.overlay_add = renderer_tiles_overlay_add;
2356 rt->f.overlay_set = renderer_tiles_overlay_set;
2357 rt->f.overlay_get = renderer_tiles_overlay_get;
2359 rt->f.stereo_set = renderer_stereo_set;
2361 rt->tile_width = PR_TILE_SIZE;
2362 rt->tile_height = PR_TILE_SIZE;
2365 rt->tile_cache_size = 0;
2367 rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
2369 rt->draw_idle_id = 0;
2371 rt->stereo_mode = 0;
2372 rt->stereo_off_x = 0;
2373 rt->stereo_off_y = 0;
2375 #if GTK_CHECK_VERSION(3, 10, 0)
2376 rt->hidpi_scale = gtk_widget_get_scale_factor(GTK_WIDGET(rt->pr));
2378 rt->hidpi_scale = 1;
2381 g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
2382 G_CALLBACK(rt_hierarchy_changed_cb), rt);
2384 #if GTK_CHECK_VERSION(3,0,0)
2385 g_signal_connect(G_OBJECT(pr), "draw",
2386 G_CALLBACK(rt_draw_cb), rt);
2387 g_signal_connect(G_OBJECT(pr), "realize", G_CALLBACK(rt_realize_cb), rt);
2388 g_signal_connect(G_OBJECT(pr), "size-allocate", G_CALLBACK(rt_size_allocate_cb), rt);
2390 g_signal_connect(G_OBJECT(pr), "expose_event",
2391 G_CALLBACK(rt_expose_cb), rt);
2394 return (RendererFuncs *) rt;
2398 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */