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.
22 #include "renderer-tiles.h"
30 #include <gdk-pixbuf/gdk-pixbuf.h>
32 #include <glib-object.h>
38 #include "pixbuf-renderer.h"
41 /* comment this out if not using this from within Geeqie
42 * defining GQ_BUILD does these things:
43 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
49 #include "pixbuf-util.h"
51 enum ExifOrientationType {
52 EXIF_ORIENTATION_UNKNOWN = 0,
53 EXIF_ORIENTATION_TOP_LEFT = 1,
54 EXIF_ORIENTATION_TOP_RIGHT = 2,
55 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
56 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
57 EXIF_ORIENTATION_LEFT_TOP = 5,
58 EXIF_ORIENTATION_RIGHT_TOP = 6,
59 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
60 EXIF_ORIENTATION_LEFT_BOTTOM = 8
71 cairo_surface_t *surface; /* off screen buffer */
72 GdkPixbuf *pixbuf; /* pixbuf area for zooming */
73 gint x; /* x offset into image */
74 gint y; /* y offset into image */
75 gint w; /* width that is visible (may be less if at edge of image) */
76 gint h; /* height '' */
80 /* render_todo: (explanation)
82 AREA render area of tile, usually only used when loading an image
83 note: will jump to an ALL if render_done is not ALL.
84 ALL render entire tile, if never done before w/ ALL, for expose events *only*
87 ImageRenderType render_todo; /* what to do (see above) */
88 ImageRenderType render_done; /* highest that has been done before on tile */
93 guint size; /* est. memory used by pixmap and pixbuf */
116 OverlayRendererFlags flags;
124 gint tile_cache_max; /* max MiB to use for offscreen buffer */
128 GList *tiles; /* list of buffer tiles */
129 gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
130 GList *draw_queue; /* list of areas to redraw */
131 GList *draw_queue_2pass;/* list when 2 pass is enabled */
134 cairo_surface_t *overlay_buffer;
135 cairo_surface_t *surface;
137 guint draw_idle_id; /* event source id */
139 GdkPixbuf *spare_tile;
145 gint x_scroll; /* allow local adjustment and mirroring */
151 constexpr size_t COLOR_BYTES = 3; /* rgb */
154 inline gint get_right_pixbuf_offset(RendererTiles *rt)
156 return (!!(rt->stereo_mode & PR_STEREO_RIGHT) != !!(rt->stereo_mode & PR_STEREO_SWAP)) ?
157 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left;
160 inline gint get_left_pixbuf_offset(RendererTiles *rt)
162 return (!!(rt->stereo_mode & PR_STEREO_RIGHT) == !!(rt->stereo_mode & PR_STEREO_SWAP)) ?
163 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left;
169 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
171 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
172 static void rt_queue_merge(QueueData *parent, QueueData *qd);
173 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
174 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
176 static gint rt_queue_draw_idle_cb(gpointer data);
179 static void rt_sync_scroll(RendererTiles *rt)
181 PixbufRenderer *pr = rt->pr;
183 rt->x_scroll = (rt->stereo_mode & PR_STEREO_MIRROR) ?
184 pr->width - pr->vis_width - pr->x_scroll
187 rt->y_scroll = (rt->stereo_mode & PR_STEREO_FLIP) ?
188 pr->height - pr->vis_height - pr->y_scroll
193 *-------------------------------------------------------------------
195 *-------------------------------------------------------------------
198 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
200 PixbufRenderer *pr = rt->pr;
209 box = GTK_WIDGET(pr);
210 window = gtk_widget_get_window(box);
214 cr = cairo_create(rt->surface);
216 auto draw = [rt, pr, cr](gint x, gint y, gint w, gint h)
218 cairo_set_source_rgb(cr, static_cast<double>(pr->color.red), static_cast<double>(pr->color.green), static_cast<double>(pr->color.blue));
219 cairo_rectangle(cr, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
221 rt_overlay_draw(rt, x, y, w, h, nullptr);
224 if (!pr->pixbuf && !pr->source_tiles_enabled)
226 if (pr_clip_region(x, y, w, h,
228 pr->viewport_width, pr->viewport_height,
231 draw(rx, ry, rw, rh);
237 if (pr->vis_width < pr->viewport_width)
239 if (pr->x_offset > 0 &&
240 pr_clip_region(x, y, w, h,
242 pr->x_offset, pr->viewport_height,
245 draw(rx, ry, rw, rh);
247 if (pr->viewport_width - pr->vis_width - pr->x_offset > 0 &&
248 pr_clip_region(x, y, w, h,
249 pr->x_offset + pr->vis_width, 0,
250 pr->viewport_width - pr->vis_width - pr->x_offset, pr->viewport_height,
253 draw(rx, ry, rw, rh);
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 draw(rx, ry, rw, rh);
266 if (pr->viewport_height - pr->vis_height - pr->y_offset > 0 &&
267 pr_clip_region(x, y, w, h,
268 pr->x_offset, pr->y_offset + pr->vis_height,
269 pr->vis_width, pr->viewport_height - pr->vis_height - pr->y_offset,
272 draw(rx, ry, rw, rh);
278 static void rt_border_clear(RendererTiles *rt)
280 PixbufRenderer *pr = rt->pr;
281 rt_border_draw(rt, 0, 0, pr->viewport_width, pr->viewport_height);
286 *-------------------------------------------------------------------
288 *-------------------------------------------------------------------
291 static ImageTile *rt_tile_new(gint x, gint y, gint width, gint height)
293 auto it = g_new0(ImageTile, 1);
300 it->render_done = TILE_RENDER_NONE;
305 static void rt_tile_free(ImageTile *it)
309 if (it->pixbuf) g_object_unref(it->pixbuf);
310 if (it->surface) cairo_surface_destroy(it->surface);
315 static void rt_tile_free_all(RendererTiles *rt)
317 g_list_free_full(rt->tiles, reinterpret_cast<GDestroyNotify>(rt_tile_free));
319 rt->tile_cache_size = 0;
322 static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
324 PixbufRenderer *pr = rt->pr;
327 it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
329 if (it->x + it->w > pr->width) it->w = pr->width - it->x;
330 if (it->y + it->h > pr->height) it->h = pr->height - it->y;
332 rt->tiles = g_list_prepend(rt->tiles, it);
333 rt->tile_cache_size += it->size;
338 static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
342 QueueData *qd = it->qd;
345 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
351 QueueData *qd = it->qd2;
354 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
358 rt->tiles = g_list_remove(rt->tiles, it);
359 rt->tile_cache_size -= it->size;
364 static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
366 PixbufRenderer *pr = rt->pr;
370 work = g_list_last(rt->tiles);
372 if (pr->source_tiles_enabled && pr->scale < 1.0)
376 tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
377 tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
378 (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
382 tile_max = rt->tile_cache_max * 1048576;
385 while (work && rt->tile_cache_size + space > tile_max)
389 needle = static_cast<ImageTile *>(work->data);
392 ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
396 static void rt_tile_invalidate_all(RendererTiles *rt)
398 PixbufRenderer *pr = rt->pr;
406 it = static_cast<ImageTile *>(work->data);
409 it->render_done = TILE_RENDER_NONE;
410 it->render_todo = TILE_RENDER_ALL;
413 it->w = MIN(rt->tile_width, pr->width - it->x);
414 it->h = MIN(rt->tile_height, pr->height - it->y);
418 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
426 x1 = ROUND_DOWN(x, rt->tile_width);
427 x2 = ROUND_UP(x + w, rt->tile_width);
429 y1 = ROUND_DOWN(y, rt->tile_height);
430 y2 = ROUND_UP(y + h, rt->tile_height);
437 it = static_cast<ImageTile *>(work->data);
440 if (it->x < x2 && it->x + it->w > x1 &&
441 it->y < y2 && it->y + it->h > y1)
443 it->render_done = TILE_RENDER_NONE;
444 it->render_todo = TILE_RENDER_ALL;
449 static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
458 it = static_cast<ImageTile *>(work->data);
459 if (it->x == x && it->y == y)
461 rt->tiles = g_list_delete_link(rt->tiles, work);
462 rt->tiles = g_list_prepend(rt->tiles, it);
469 if (only_existing) return nullptr;
471 return rt_tile_add(rt, x, y);
474 static gint pixmap_calc_size(cairo_surface_t *)
476 return options->image.tile_size * options->image.tile_size * 4 / 8;
479 static void rt_hidpi_aware_draw(
486 cairo_surface_t *surface;
487 surface = gdk_cairo_surface_create_from_pixbuf(pixbuf, rt->hidpi_scale, nullptr);
488 cairo_set_source_surface(cr, surface, x, y);
490 cairo_surface_destroy(surface);
493 static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
495 PixbufRenderer *pr = rt->pr;
498 cairo_surface_t *surface;
501 surface = gdk_window_create_similar_surface(gtk_widget_get_window(reinterpret_cast<GtkWidget *>(pr)),
503 rt->tile_width, rt->tile_height);
505 size = pixmap_calc_size(surface) * rt->hidpi_scale * rt->hidpi_scale;
506 rt_tile_free_space(rt, size, it);
508 it->surface = surface;
510 rt->tile_cache_size += size;
517 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->hidpi_scale * rt->tile_width, rt->hidpi_scale * rt->tile_height);
519 size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height * rt->hidpi_scale;
520 rt_tile_free_space(rt, size, it);
524 rt->tile_cache_size += size;
529 *-------------------------------------------------------------------
531 *-------------------------------------------------------------------
534 static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
535 gint *x, gint *y, gint *w, gint *h)
537 PixbufRenderer *pr = rt->pr;
543 pw = gdk_pixbuf_get_width(od->pixbuf);
544 ph = gdk_pixbuf_get_height(od->pixbuf);
548 if (od->flags & OVL_RELATIVE)
550 if (px < 0) px = pr->viewport_width - pw + px;
551 if (py < 0) py = pr->viewport_height - ph + py;
560 static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
562 PixbufRenderer *pr = rt->pr;
567 GdkWindowAttr attributes;
568 gint attributes_mask;
570 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
572 attributes.window_type = GDK_WINDOW_CHILD;
573 attributes.wclass = GDK_INPUT_OUTPUT;
574 attributes.width = pw;
575 attributes.height = ph;
576 attributes.event_mask = GDK_EXPOSURE_MASK;
579 od->window = gdk_window_new(gtk_widget_get_window(GTK_WIDGET(pr)), &attributes, attributes_mask);
580 gdk_window_set_user_data(od->window, pr);
581 gdk_window_move(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y);
582 gdk_window_show(od->window);
585 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
588 PixbufRenderer *pr = rt->pr;
591 work = rt->overlay_list;
604 od = static_cast<OverlayData *>(work->data);
607 if (!od->window) rt_overlay_init_window(rt, od);
609 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
610 if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
612 if (!rt->overlay_buffer)
614 rt->overlay_buffer = gdk_window_create_similar_surface(gtk_widget_get_window(reinterpret_cast<GtkWidget *>(pr)),
616 rt->tile_width, rt->tile_height);
623 cr = cairo_create(rt->overlay_buffer);
624 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);
625 cairo_rectangle(cr, 0, 0, rw, rh);
626 cairo_fill_preserve(cr);
628 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - rx, py - ry);
632 cr = gdk_cairo_create(od->window);
633 cairo_set_source_surface(cr, rt->overlay_buffer, rx - px, ry - py);
634 cairo_rectangle (cr, rx - px, ry - py, rw, rh);
640 /* no ImageTile means region may be larger than our scratch buffer */
644 for (sx = rx; sx < rx + rw; sx += rt->tile_width)
645 for (sy = ry; sy < ry + rh; sy += rt->tile_height)
651 sw = MIN(rx + rw - sx, rt->tile_width);
652 sh = MIN(ry + rh - sy, rt->tile_height);
654 cr = cairo_create(rt->overlay_buffer);
655 cairo_set_source_rgb(cr, 0, 0, 0);
656 cairo_rectangle(cr, 0, 0, sw, sh);
657 cairo_fill_preserve(cr);
659 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - sx, py - sy);
663 cr = gdk_cairo_create(od->window);
664 cairo_set_source_surface(cr, rt->overlay_buffer, sx - px, sy - py);
665 cairo_rectangle (cr, sx - px, sy - py, sw, sh);
674 static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
676 PixbufRenderer *pr = rt->pr;
682 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
690 rt_queue(rt, rt->x_scroll - pr->x_offset + x,
691 rt->y_scroll - pr->y_offset + y,
693 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
695 rt_border_draw(rt, x, y, w, h);
698 static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
702 work = rt->overlay_list;
705 auto od = static_cast<OverlayData *>(work->data);
708 rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
712 static void rt_overlay_update_sizes(RendererTiles *rt)
716 work = rt->overlay_list;
719 auto od = static_cast<OverlayData *>(work->data);
722 if (!od->window) rt_overlay_init_window(rt, od);
724 if (od->flags & OVL_RELATIVE)
731 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
732 gdk_window_move_resize(od->window, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
737 static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
741 work = rt->overlay_list;
744 auto od = static_cast<OverlayData *>(work->data);
747 if (od->id == id) return od;
754 gint renderer_tiles_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y,
755 OverlayRendererFlags flags)
757 auto rt = static_cast<RendererTiles *>(renderer);
758 PixbufRenderer *pr = rt->pr;
761 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
762 g_return_val_if_fail(pixbuf != nullptr, -1);
765 while (rt_overlay_find(rt, id)) id++;
767 auto od = g_new0(OverlayData, 1);
770 g_object_ref(G_OBJECT(od->pixbuf));
775 rt_overlay_init_window(rt, od);
777 rt->overlay_list = g_list_append(rt->overlay_list, od);
779 gtk_widget_queue_draw(GTK_WIDGET(rt->pr));
784 static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
786 rt->overlay_list = g_list_remove(rt->overlay_list, od);
788 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
789 if (od->window) gdk_window_destroy(od->window);
792 if (!rt->overlay_list && rt->overlay_buffer)
794 cairo_surface_destroy(rt->overlay_buffer);
795 rt->overlay_buffer = nullptr;
799 static void rt_overlay_list_clear(RendererTiles *rt)
801 while (rt->overlay_list)
803 auto od = static_cast<OverlayData *>(rt->overlay_list->data);
804 rt_overlay_free(rt, od);
808 static void rt_overlay_list_reset_window(RendererTiles *rt)
812 if (rt->overlay_buffer) cairo_surface_destroy(rt->overlay_buffer);
813 rt->overlay_buffer = nullptr;
815 work = rt->overlay_list;
818 auto od = static_cast<OverlayData *>(work->data);
820 if (od->window) gdk_window_destroy(od->window);
821 od->window = nullptr;
825 void renderer_tiles_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint, gint)
827 auto rc = static_cast<RendererTiles *>(renderer);
828 PixbufRenderer *pr = rc->pr;
831 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
833 od = rt_overlay_find(rc, id);
838 g_object_ref(G_OBJECT(pixbuf));
839 g_object_unref(G_OBJECT(od->pixbuf));
844 rt_overlay_free(rc, od);
847 gtk_widget_queue_draw(GTK_WIDGET(rc->pr));
850 gboolean renderer_tiles_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
852 auto rt = static_cast<RendererTiles *>(renderer);
853 PixbufRenderer *pr = rt->pr;
856 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
858 od = rt_overlay_find(rt, id);
859 if (!od) return FALSE;
861 if (pixbuf) *pixbuf = od->pixbuf;
868 static void rt_hierarchy_changed_cb(GtkWidget *, GtkWidget *, gpointer data)
870 auto rt = static_cast<RendererTiles *>(data);
871 rt_overlay_list_reset_window(rt);
875 *-------------------------------------------------------------------
877 *-------------------------------------------------------------------
880 static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
882 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);
883 return rt->spare_tile;
886 static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
888 GdkPixbuf *src = *tile;
901 gint tw = rt->tile_width * rt->hidpi_scale;
903 srs = gdk_pixbuf_get_rowstride(src);
904 s_pix = gdk_pixbuf_get_pixels(src);
905 spi = s_pix + (x * COLOR_BYTES);
907 dest = rt_get_spare_tile(rt);
908 drs = gdk_pixbuf_get_rowstride(dest);
909 d_pix = gdk_pixbuf_get_pixels(dest);
910 dpi = d_pix + (tw - 1) * COLOR_BYTES;
912 for (i = y; i < y + h; i++)
914 sp = spi + (i * srs);
915 ip = dpi - (i * COLOR_BYTES);
916 for (j = x; j < x + w; j++)
919 memcpy(dp, sp, COLOR_BYTES);
924 rt->spare_tile = src;
928 static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
930 GdkPixbuf *src = *tile;
943 gint th = rt->tile_height * rt->hidpi_scale;
945 srs = gdk_pixbuf_get_rowstride(src);
946 s_pix = gdk_pixbuf_get_pixels(src);
947 spi = s_pix + (x * COLOR_BYTES);
949 dest = rt_get_spare_tile(rt);
950 drs = gdk_pixbuf_get_rowstride(dest);
951 d_pix = gdk_pixbuf_get_pixels(dest);
952 dpi = d_pix + (th - 1) * drs;
954 for (i = y; i < y + h; i++)
956 sp = spi + (i * srs);
957 ip = dpi + (i * COLOR_BYTES);
958 for (j = x; j < x + w; j++)
961 memcpy(dp, sp, COLOR_BYTES);
966 rt->spare_tile = src;
970 static void rt_tile_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
972 GdkPixbuf *src = *tile;
985 gint tw = rt->tile_width * rt->hidpi_scale;
987 srs = gdk_pixbuf_get_rowstride(src);
988 s_pix = gdk_pixbuf_get_pixels(src);
989 spi = s_pix + (x * COLOR_BYTES);
991 dest = rt_get_spare_tile(rt);
992 drs = gdk_pixbuf_get_rowstride(dest);
993 d_pix = gdk_pixbuf_get_pixels(dest);
994 dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
996 for (i = y; i < y + h; i++)
998 sp = spi + (i * srs);
999 dp = dpi + (i * drs);
1000 for (j = 0; j < w; j++)
1002 memcpy(dp, sp, COLOR_BYTES);
1008 rt->spare_tile = src;
1012 static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1014 GdkPixbuf *src = *tile;
1025 gint tw = rt->tile_width * rt->hidpi_scale;
1026 gint th = rt->tile_height * rt->hidpi_scale;
1028 srs = gdk_pixbuf_get_rowstride(src);
1029 s_pix = gdk_pixbuf_get_pixels(src);
1031 dest = rt_get_spare_tile(rt);
1032 drs = gdk_pixbuf_get_rowstride(dest);
1033 d_pix = gdk_pixbuf_get_pixels(dest);
1034 dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
1036 for (i = y; i < y + h; i++)
1038 sp = s_pix + (i * srs) + (x * COLOR_BYTES);
1039 dp = dpi - (i * drs) - (x * COLOR_BYTES);
1040 for (j = 0; j < w; j++)
1042 memcpy(dp, sp, COLOR_BYTES);
1048 rt->spare_tile = src;
1052 static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1054 GdkPixbuf *src = *tile;
1065 gint th = rt->tile_height * rt->hidpi_scale;
1067 srs = gdk_pixbuf_get_rowstride(src);
1068 s_pix = gdk_pixbuf_get_pixels(src);
1069 spi = s_pix + (x * COLOR_BYTES);
1071 dest = rt_get_spare_tile(rt);
1072 drs = gdk_pixbuf_get_rowstride(dest);
1073 d_pix = gdk_pixbuf_get_pixels(dest);
1074 dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
1076 for (i = y; i < y + h; i++)
1078 sp = spi + (i * srs);
1079 dp = dpi - (i * drs);
1080 memcpy(dp, sp, w * COLOR_BYTES);
1083 rt->spare_tile = src;
1087 static void rt_tile_apply_orientation(RendererTiles *rt, gint orientation, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
1089 switch (orientation)
1091 case EXIF_ORIENTATION_TOP_LEFT:
1092 /* normal -- nothing to do */
1094 case EXIF_ORIENTATION_TOP_RIGHT:
1097 rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
1100 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1103 rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
1106 case EXIF_ORIENTATION_BOTTOM_LEFT:
1109 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1112 case EXIF_ORIENTATION_LEFT_TOP:
1114 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1115 rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1118 case EXIF_ORIENTATION_RIGHT_TOP:
1119 /* rotated -90 (270) */
1121 rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
1124 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1126 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1127 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1130 case EXIF_ORIENTATION_LEFT_BOTTOM:
1133 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
1137 /* The other values are out of range */
1142 static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
1143 gint x, gint y, gint w, gint h,
1144 gboolean, gboolean fast)
1146 PixbufRenderer *pr = rt->pr;
1149 gboolean draw = FALSE;
1151 if (pr->zoom == 1.0 || pr->scale == 1.0)
1153 list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
1163 st = static_cast<SourceTile *>(work->data);
1166 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1167 it->x + x, it->y + y, w, h,
1168 &rx, &ry, &rw, &rh))
1171 cr = cairo_create(it->surface);
1172 cairo_rectangle (cr, rx - it->x, ry - it->y, rw, rh);
1176 cairo_set_source_rgb(cr, 0, 0, 0);
1179 else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
1181 rt_hidpi_aware_draw(rt, cr, st->pixbuf, -it->x + st->x, -it->y + st->y);
1196 if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
1197 scale_x = static_cast<gdouble>(pr->width) / pr->image_width;
1198 scale_y = static_cast<gdouble>(pr->height) / pr->image_height;
1200 sx = static_cast<gdouble>(it->x + x) / scale_x;
1201 sy = static_cast<gdouble>(it->y + y) / scale_y;
1202 sw = static_cast<gdouble>(w) / scale_x;
1203 sh = static_cast<gdouble>(h) / scale_y;
1205 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1208 /* draws red over draw region, to check for leaks (regions not filled) */
1209 pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
1212 list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
1226 st = static_cast<SourceTile *>(work->data);
1229 stx = floor(static_cast<gdouble>(st->x) * scale_x);
1230 sty = floor(static_cast<gdouble>(st->y) * scale_y);
1231 stw = ceil(static_cast<gdouble>(st->x + pr->source_tile_width) * scale_x) - stx;
1232 sth = ceil(static_cast<gdouble>(st->y + pr->source_tile_height) * scale_y) - sty;
1234 if (pr_clip_region(stx, sty, stw, sth,
1235 it->x + x, it->y + y, w, h,
1236 &rx, &ry, &rw, &rh))
1242 cr = cairo_create(it->surface);
1243 cairo_rectangle (cr, rx - st->x, ry - st->y, rw, rh);
1244 cairo_set_source_rgb(cr, 0, 0, 0);
1253 /* may need to use unfloored stx,sty values here */
1254 offset_x = static_cast<gdouble>(stx - it->x);
1255 offset_y = static_cast<gdouble>(sty - it->y);
1257 gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
1258 static_cast<gdouble>(0.0) + offset_x,
1259 static_cast<gdouble>(0.0) + offset_y,
1261 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
1276 * @param ignore_alpha
1287 * @param interp_type
1290 * @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
1294 static void rt_tile_get_region(gboolean has_alpha, gboolean ignore_alpha,
1295 const GdkPixbuf *src, GdkPixbuf *dest,
1296 int pb_x, int pb_y, int pb_w, int pb_h,
1297 double offset_x, double offset_y, double scale_x, double scale_y,
1298 GdkInterpType interp_type,
1299 int check_x, int check_y, gboolean wide_image)
1301 GdkPixbuf* tmppixbuf;
1320 if (scale_x == 1.0 && scale_y == 1.0)
1324 srs = gdk_pixbuf_get_rowstride(src);
1325 drs = gdk_pixbuf_get_rowstride(dest);
1326 psrc = gdk_pixbuf_get_pixels(src);
1327 pdst = gdk_pixbuf_get_pixels(dest);
1328 for (y = 0; y < pb_h; y++)
1330 for (x = 0; x < pb_w; x++)
1332 for (c = 0; c < 3; c++)
1334 pdst[(y * drs) + x*3 + c] = psrc[(-static_cast<int>(offset_y) + pb_y + y) * srs + (-static_cast<int>(offset_x) + pb_x+x)*3 + c];
1341 gdk_pixbuf_copy_area(src,
1342 -offset_x + pb_x, -offset_y + pb_y,
1350 gdk_pixbuf_scale(src, dest,
1351 pb_x, pb_y, pb_w, pb_h,
1355 (wide_image && interp_type == GDK_INTERP_NEAREST) ? GDK_INTERP_TILES : interp_type);
1360 red_1=static_cast<guint32>(options->image.alpha_color_1.red * 255) << 16 & 0x00FF0000;
1361 green_1=static_cast<guint32>(options->image.alpha_color_1.green * 255) << 8 & 0x0000FF00;
1362 blue_1=static_cast<guint32>(options->image.alpha_color_1.blue * 255) & 0x000000FF;
1363 red_2=static_cast<guint32>(options->image.alpha_color_2.red * 255) << 16 & 0x00FF0000;
1364 green_2=static_cast<guint32>(options->image.alpha_color_2.green * 255) << 8 & 0x0000FF00;
1365 blue_2=static_cast<guint32>(options->image.alpha_color_2.blue * 255) & 0x000000FF;
1366 alpha_1 = red_1 + green_1 + blue_1;
1367 alpha_2 = red_2 + green_2 + blue_2;
1371 tmppixbuf = gdk_pixbuf_add_alpha(src, FALSE, 0, 0, 0);
1373 pixbuf_ignore_alpha_rect(tmppixbuf, 0, 0, gdk_pixbuf_get_width(src), gdk_pixbuf_get_height(src));
1375 gdk_pixbuf_composite_color(tmppixbuf, dest,
1376 pb_x, pb_y, pb_w, pb_h,
1380 (scale_x == 1.0 && scale_y == 1.0) ? GDK_INTERP_NEAREST : interp_type,
1381 255, check_x, check_y,
1382 PR_ALPHA_CHECK_SIZE,
1385 g_object_unref(tmppixbuf);
1389 gdk_pixbuf_composite_color(src, dest,
1390 pb_x, pb_y, pb_w, pb_h,
1394 (scale_x == 1.0 && scale_y == 1.0) ? GDK_INTERP_NEAREST : interp_type,
1395 255, check_x, check_y,
1396 PR_ALPHA_CHECK_SIZE,
1404 static gint rt_get_orientation(RendererTiles *rt)
1406 PixbufRenderer *pr = rt->pr;
1408 gint orientation = pr->orientation;
1409 static const gint mirror[] = {1, 2, 1, 4, 3, 6, 5, 8, 7};
1410 static const gint flip[] = {1, 4, 3, 2, 1, 8, 7, 6, 5};
1412 if (rt->stereo_mode & PR_STEREO_MIRROR) orientation = mirror[orientation];
1413 if (rt->stereo_mode & PR_STEREO_FLIP) orientation = flip[orientation];
1418 static void rt_tile_render(RendererTiles *rt, ImageTile *it,
1419 gint x, gint y, gint w, gint h,
1420 gboolean new_data, gboolean fast)
1422 PixbufRenderer *pr = rt->pr;
1424 gboolean draw = FALSE;
1425 gint orientation = rt_get_orientation(rt);
1426 gboolean wide_image = FALSE;
1428 if (it->render_todo == TILE_RENDER_NONE && it->surface && !new_data) return;
1430 if (it->render_done != TILE_RENDER_ALL)
1436 if (!fast) it->render_done = TILE_RENDER_ALL;
1438 else if (it->render_todo != TILE_RENDER_AREA)
1440 if (!fast) it->render_todo = TILE_RENDER_NONE;
1444 if (!fast) it->render_todo = TILE_RENDER_NONE;
1446 if (new_data) it->blank = FALSE;
1448 rt_tile_prepare(rt, it);
1449 has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
1451 /** @FIXME checker colors for alpha should be configurable,
1452 * also should be drawn for blank = TRUE
1457 /* no data, do fast rect fill */
1459 cr = cairo_create(it->surface);
1460 cairo_rectangle (cr, 0, 0, it->w, it->h);
1461 cairo_set_source_rgb(cr, 0, 0, 0);
1465 else if (pr->source_tiles_enabled)
1467 draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
1480 if (pr->image_width == 0 || pr->image_height == 0) return;
1482 scale_x = rt->hidpi_scale * static_cast<gdouble>(pr->width) / pr->image_width;
1483 scale_y = rt->hidpi_scale * static_cast<gdouble>(pr->height) / pr->image_height;
1485 pr_tile_coords_map_orientation(orientation, it->x, it->y,
1486 pr->width, pr->height,
1487 rt->tile_width, rt->tile_height,
1489 pr_tile_region_map_orientation(orientation, x, y,
1490 rt->tile_width, rt->tile_height,
1495 src_x *= rt->hidpi_scale;
1496 src_y *= rt->hidpi_scale;
1497 pb_x *= rt->hidpi_scale;
1498 pb_y *= rt->hidpi_scale;
1499 pb_w *= rt->hidpi_scale;
1500 pb_h *= rt->hidpi_scale;
1502 switch (orientation)
1504 case EXIF_ORIENTATION_LEFT_TOP:
1505 case EXIF_ORIENTATION_RIGHT_TOP:
1506 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1507 case EXIF_ORIENTATION_LEFT_BOTTOM:
1508 std::swap(scale_x, scale_y);
1515 /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
1516 * small sizes for anything but GDK_INTERP_NEAREST
1518 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1519 if (pr->image_width > 32767) wide_image = TRUE;
1521 rt_tile_get_region(has_alpha, pr->ignore_alpha,
1522 pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
1523 static_cast<gdouble>(0.0) - src_x - get_right_pixbuf_offset(rt) * scale_x,
1524 static_cast<gdouble>(0.0) - src_y,
1526 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1527 it->x + pb_x, it->y + pb_y, wide_image);
1528 if (rt->stereo_mode & PR_STEREO_ANAGLYPH &&
1529 (pr->stereo_pixbuf_offset_right > 0 || pr->stereo_pixbuf_offset_left > 0))
1531 GdkPixbuf *right_pb = rt_get_spare_tile(rt);
1532 rt_tile_get_region(has_alpha, pr->ignore_alpha,
1533 pr->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h,
1534 static_cast<gdouble>(0.0) - src_x - get_left_pixbuf_offset(rt) * scale_x,
1535 static_cast<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 pr_create_anaglyph(rt->stereo_mode, it->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h);
1540 /* do not care about freeing spare_tile, it will be reused */
1542 rt_tile_apply_orientation(rt, orientation, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
1546 if (draw && it->pixbuf && !it->blank)
1550 if (pr->func_post_process && (!pr->post_process_slow || !fast))
1551 pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
1553 cr = cairo_create(it->surface);
1554 cairo_rectangle (cr, x, y, w, h);
1555 rt_hidpi_aware_draw(rt, cr, it->pixbuf, 0, 0);
1561 static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
1562 gint x, gint y, gint w, gint h,
1563 gboolean new_data, gboolean fast)
1565 PixbufRenderer *pr = rt->pr;
1568 /* clamp to visible */
1569 if (it->x + x < rt->x_scroll)
1571 w -= rt->x_scroll - it->x - x;
1572 x = rt->x_scroll - it->x;
1574 if (it->x + x + w > rt->x_scroll + pr->vis_width)
1576 w = rt->x_scroll + pr->vis_width - it->x - x;
1579 if (it->y + y < rt->y_scroll)
1581 h -= rt->y_scroll - it->y - y;
1582 y = rt->y_scroll - it->y;
1584 if (it->y + y + h > rt->y_scroll + pr->vis_height)
1586 h = rt->y_scroll + pr->vis_height - it->y - y;
1590 rt_tile_render(rt, it, x, y, w, h, new_data, fast);
1592 cr = cairo_create(rt->surface);
1593 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);
1594 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);
1598 if (rt->overlay_list)
1600 rt_overlay_draw(rt, pr->x_offset + (it->x - rt->x_scroll) + x,
1601 pr->y_offset + (it->y - rt->y_scroll) + y,
1606 gtk_widget_queue_draw(GTK_WIDGET(rt->pr));
1610 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
1612 PixbufRenderer *pr = rt->pr;
1613 return (it->x + it->w >= rt->x_scroll && it->x < rt->x_scroll + pr->vis_width &&
1614 it->y + it->h >= rt->y_scroll && it->y < rt->y_scroll + pr->vis_height);
1618 *-------------------------------------------------------------------
1620 *-------------------------------------------------------------------
1623 static gint rt_get_queued_area(GList *work)
1629 auto qd = static_cast<QueueData *>(work->data);
1630 area += qd->w * qd->h;
1637 static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
1639 PixbufRenderer *pr = rt->pr;
1641 gint visible_area = pr->vis_width * pr->vis_height;
1646 DEBUG_2("redraw priority: 2pass");
1647 rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, nullptr);
1648 return G_SOURCE_REMOVE;
1651 if (visible_area == 0)
1658 percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
1663 /* we have enough data for starting intensive redrawing */
1664 DEBUG_2("redraw priority: high %.2f %%", percent);
1665 rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, nullptr);
1666 return G_SOURCE_REMOVE;
1669 if (percent < 1.0 || force_set)
1671 /* queue is (almost) empty, wait 50 ms*/
1672 DEBUG_2("redraw priority: wait %.2f %%", percent);
1673 rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, nullptr);
1674 return G_SOURCE_REMOVE;
1677 /* keep the same priority as before */
1678 DEBUG_2("redraw priority: no change %.2f %%", percent);
1679 return G_SOURCE_CONTINUE;
1683 static gboolean rt_queue_draw_idle_cb(gpointer data)
1685 auto rt = static_cast<RendererTiles *>(data);
1686 PixbufRenderer *pr = rt->pr;
1691 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
1692 (!rt->draw_queue && !rt->draw_queue_2pass) ||
1695 pr_render_complete_signal(pr);
1697 rt->draw_idle_id = 0;
1698 return G_SOURCE_REMOVE;
1703 qd = static_cast<QueueData *>(rt->draw_queue->data);
1704 fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
1710 /* still loading, wait till done (also drops the higher priority) */
1712 return rt_queue_schedule_next_draw(rt, FALSE);
1715 qd = static_cast<QueueData *>(rt->draw_queue_2pass->data);
1719 if (gtk_widget_get_realized(GTK_WIDGET(pr)))
1721 if (rt_tile_is_visible(rt, qd->it))
1723 rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1725 else if (qd->new_data)
1727 /* if new pixel data, and we already have a pixmap, update the tile */
1728 qd->it->blank = FALSE;
1729 if (qd->it->surface && qd->it->render_done == TILE_RENDER_ALL)
1731 rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1738 qd->it->qd = nullptr;
1739 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
1744 rt_queue_merge(qd->it->qd2, qd);
1750 rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
1760 qd->it->qd2 = nullptr;
1761 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
1765 if (!rt->draw_queue && !rt->draw_queue_2pass)
1767 pr_render_complete_signal(pr);
1769 rt->draw_idle_id = 0;
1770 return G_SOURCE_REMOVE;
1773 return rt_queue_schedule_next_draw(rt, FALSE);
1776 static void rt_queue_data_free(gpointer data)
1778 auto *qd = static_cast<QueueData *>(data);
1780 qd->it->qd = nullptr;
1781 qd->it->qd2 = nullptr;
1785 static void rt_queue_clear(RendererTiles *rt)
1787 g_list_free_full(rt->draw_queue, rt_queue_data_free);
1788 rt->draw_queue = nullptr;
1790 g_list_free_full(rt->draw_queue_2pass, rt_queue_data_free);
1791 rt->draw_queue_2pass = nullptr;
1793 if (rt->draw_idle_id)
1795 g_source_remove(rt->draw_idle_id);
1796 rt->draw_idle_id = 0;
1801 static void rt_queue_merge(QueueData *parent, QueueData *qd)
1803 if (parent->x + parent->w < qd->x + qd->w)
1805 parent->w += (qd->x + qd->w) - (parent->x + parent->w);
1807 if (parent->x > qd->x)
1809 parent->w += parent->x - qd->x;
1813 if (parent->y + parent->h < qd->y + qd->h)
1815 parent->h += (qd->y + qd->h) - (parent->y + parent->h);
1817 if (parent->y > qd->y)
1819 parent->h += parent->y - qd->y;
1823 parent->new_data |= qd->new_data;
1826 static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
1828 PixbufRenderer *pr = rt->pr;
1839 vh = pr->vis_height;
1844 if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
1847 nx = CLAMP(*x, vx, vx + vw);
1848 nw = CLAMP(*w - (nx - *x), 1, vw);
1850 ny = CLAMP(*y, vy, vy + vh);
1851 nh = CLAMP(*h - (ny - *y), 1, vh);
1861 static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
1862 gboolean clamp, ImageRenderType render,
1863 gboolean new_data, gboolean only_existing)
1865 PixbufRenderer *pr = rt->pr;
1873 if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
1875 x1 = ROUND_DOWN(x, rt->tile_width);
1876 x2 = ROUND_UP(x + w, rt->tile_width);
1878 y1 = ROUND_DOWN(y, rt->tile_height);
1879 y2 = ROUND_UP(y + h, rt->tile_height);
1881 for (j = y1; j <= y2; j += rt->tile_height)
1883 for (i = x1; i <= x2; i += rt->tile_width)
1887 it = rt_tile_get(rt, i, j,
1889 (i + rt->tile_width < rt->x_scroll ||
1890 i > rt->x_scroll + pr->vis_width ||
1891 j + rt->tile_height < rt->y_scroll ||
1892 j > rt->y_scroll + pr->vis_height)));
1895 if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
1896 (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
1898 it->render_todo = render;
1901 auto qd = g_new(QueueData, 1);
1903 qd->new_data = new_data;
1913 qd->w = x + w - i - qd->x;
1914 if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
1924 qd->h = y + h - j - qd->y;
1925 if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
1927 if (qd->w < 1 || qd->h < 1)
1933 rt_queue_merge(it->qd, qd);
1939 rt->draw_queue = g_list_append(rt->draw_queue, qd);
1948 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
1949 gboolean clamp, ImageRenderType render,
1950 gboolean new_data, gboolean only_existing)
1952 PixbufRenderer *pr = rt->pr;
1958 nx = CLAMP(x, 0, pr->width - 1);
1959 ny = CLAMP(y, 0, pr->height - 1);
1962 w = CLAMP(w, 0, pr->width - nx);
1963 h = CLAMP(h, 0, pr->height - ny);
1964 if (w < 1 || h < 1) return;
1966 if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
1967 ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
1969 if (rt->draw_idle_id)
1971 g_source_remove(rt->draw_idle_id);
1972 rt->draw_idle_id = 0;
1974 rt_queue_schedule_next_draw(rt, TRUE);
1978 static void rt_scroll(void *renderer, gint x_off, gint y_off)
1980 auto rt = static_cast<RendererTiles *>(renderer);
1981 PixbufRenderer *pr = rt->pr;
1984 if (rt->stereo_mode & PR_STEREO_MIRROR) x_off = -x_off;
1985 if (rt->stereo_mode & PR_STEREO_FLIP) y_off = -y_off;
1987 gint w = pr->vis_width - abs(x_off);
1988 gint h = pr->vis_height - abs(y_off);
1992 /* scrolled completely to new material */
1993 rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2002 cairo_surface_t *surface;
2026 cr = cairo_create(rt->surface);
2027 surface = rt->surface;
2029 /* clipping restricts the intermediate surface's size, so it's a good idea
2031 cairo_rectangle(cr, x1 + pr->x_offset + rt->stereo_off_x, y1 + pr->y_offset + rt->stereo_off_y, w, h);
2033 /* Now push a group to change the target */
2034 cairo_push_group (cr);
2035 cairo_set_source_surface(cr, surface, x1 - x2, y1 - y2);
2037 /* Now copy the intermediate target back */
2038 cairo_pop_group_to_source(cr);
2042 rt_overlay_queue_all(rt, x2, y2, x1, y1);
2044 w = pr->vis_width - w;
2045 h = pr->vis_height - h;
2050 x_off > 0 ? rt->x_scroll + (pr->vis_width - w) : rt->x_scroll, rt->y_scroll,
2051 w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2055 /** @FIXME to optimize this, remove overlap */
2057 rt->x_scroll, y_off > 0 ? rt->y_scroll + (pr->vis_height - h) : rt->y_scroll,
2058 pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2062 static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
2064 auto rt = static_cast<RendererTiles *>(renderer);
2065 PixbufRenderer *pr = rt->pr;
2075 gint orientation = rt_get_orientation(rt);
2076 pr_coords_map_orientation_reverse(orientation,
2077 src_x - get_right_pixbuf_offset(rt), src_y,
2078 pr->image_width, pr->image_height,
2083 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
2085 /* increase region when using a zoom quality that may access surrounding pixels */
2090 x1 = static_cast<gint>(floor(static_cast<gdouble>(x) * pr->scale));
2091 y1 = static_cast<gint>(floor(static_cast<gdouble>(y) * pr->scale * pr->aspect_ratio));
2092 x2 = static_cast<gint>(ceil(static_cast<gdouble>(x + width) * pr->scale));
2093 y2 = static_cast<gint>(ceil(static_cast<gdouble>(y + height) * pr->scale * pr->aspect_ratio));
2095 rt_queue(rt, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2098 static void renderer_redraw(RendererTiles *rt, gint x, gint y, gint w, gint h,
2099 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
2101 PixbufRenderer *pr = rt->pr;
2103 x -= rt->stereo_off_x;
2104 y -= rt->stereo_off_y;
2106 rt_border_draw(rt, x, y, w, h);
2108 x = MAX(0, x - pr->x_offset + pr->x_scroll);
2109 y = MAX(0, y - pr->y_offset + pr->y_scroll);
2113 MIN(w, pr->width - x),
2114 MIN(h, pr->height - y),
2115 clamp, render, new_data, only_existing);
2118 static void renderer_update_pixbuf(void *renderer, gboolean)
2120 rt_queue_clear(static_cast<RendererTiles *>(renderer));
2123 static void renderer_update_zoom(void *renderer, gboolean lazy)
2125 auto rt = static_cast<RendererTiles *>(renderer);
2126 PixbufRenderer *pr = rt->pr;
2128 rt_tile_invalidate_all(static_cast<RendererTiles *>(renderer));
2131 renderer_redraw(static_cast<RendererTiles *>(renderer), 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, TRUE, FALSE);
2133 rt_border_clear(rt);
2136 static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
2138 rt_tile_invalidate_region(static_cast<RendererTiles *>(renderer), x, y, w, h);
2141 static void renderer_update_viewport(void *renderer)
2143 auto rt = static_cast<RendererTiles *>(renderer);
2145 rt->stereo_off_x = 0;
2146 rt->stereo_off_y = 0;
2148 if (rt->stereo_mode & PR_STEREO_RIGHT)
2150 if (rt->stereo_mode & PR_STEREO_HORIZ)
2152 rt->stereo_off_x = rt->pr->viewport_width;
2154 else if (rt->stereo_mode & PR_STEREO_VERT)
2156 rt->stereo_off_y = rt->pr->viewport_height;
2158 else if (rt->stereo_mode & PR_STEREO_FIXED)
2160 rt->stereo_off_x = rt->pr->stereo_fixed_x_right;
2161 rt->stereo_off_y = rt->pr->stereo_fixed_y_right;
2166 if (rt->stereo_mode & PR_STEREO_FIXED)
2168 rt->stereo_off_x = rt->pr->stereo_fixed_x_left;
2169 rt->stereo_off_y = rt->pr->stereo_fixed_y_left;
2172 DEBUG_1("update size: %p %d %d %d %d", (void *)rt, rt->stereo_off_x, rt->stereo_off_y, rt->pr->viewport_width, rt->pr->viewport_height);
2174 rt_overlay_update_sizes(rt);
2175 rt_border_clear(rt);
2178 static void renderer_stereo_set(void *renderer, gint stereo_mode)
2180 auto rt = static_cast<RendererTiles *>(renderer);
2182 rt->stereo_mode = stereo_mode;
2185 static void renderer_free(void *renderer)
2187 auto rt = static_cast<RendererTiles *>(renderer);
2189 rt_tile_free_all(rt);
2190 if (rt->spare_tile) g_object_unref(rt->spare_tile);
2191 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
2192 rt_overlay_list_clear(rt);
2193 /* disconnect "hierarchy-changed" */
2194 g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
2195 0, 0, nullptr, nullptr, rt);
2199 static gboolean rt_realize_cb(GtkWidget *widget, gpointer data)
2201 auto rt = static_cast<RendererTiles *>(data);
2206 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));
2208 cr = cairo_create(rt->surface);
2209 cairo_set_source_rgb(cr, static_cast<gdouble>(rt->pr->color.red), static_cast<gdouble>(rt->pr->color.green), static_cast<gdouble>(rt->pr->color.blue));
2217 static gboolean rt_size_allocate_cb(GtkWidget *widget, GdkRectangle *allocation, gpointer data)
2219 auto rt = static_cast<RendererTiles *>(data);
2221 cairo_surface_t *old_surface;
2223 if (gtk_widget_get_realized(GTK_WIDGET(rt->pr)))
2225 old_surface = rt->surface;
2226 rt->surface = gdk_window_create_similar_surface(gtk_widget_get_window(widget), CAIRO_CONTENT_COLOR, allocation->width, allocation->height);
2228 cr = cairo_create(rt->surface);
2230 cairo_set_source_rgb(cr, static_cast<gdouble>(options->image.border_color.red), static_cast<gdouble>(options->image.border_color.green), static_cast<gdouble>(options->image.border_color.blue));
2232 cairo_set_source_surface(cr, old_surface, 0, 0);
2235 cairo_surface_destroy(old_surface);
2237 renderer_redraw(rt, allocation->x, allocation->y, allocation->width, allocation->height, FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2243 static gboolean rt_draw_cb(GtkWidget *, cairo_t *cr, gpointer data)
2245 auto rt = static_cast<RendererTiles *>(data);
2249 if (rt->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT))
2251 cairo_push_group(cr);
2252 cairo_set_source_rgb(cr, static_cast<double>(rt->pr->color.red), static_cast<double>(rt->pr->color.green), static_cast<double>(rt->pr->color.blue));
2254 if (rt->stereo_mode & PR_STEREO_HORIZ)
2256 cairo_rectangle(cr, rt->stereo_off_x, 0, rt->pr->viewport_width, rt->pr->viewport_height);
2260 cairo_rectangle(cr, 0, rt->stereo_off_y, rt->pr->viewport_width, rt->pr->viewport_height);
2265 cairo_rectangle(cr, rt->pr->x_offset + rt->stereo_off_x, rt->pr->y_offset + rt->stereo_off_y, rt->pr->vis_width, rt->pr->vis_height);
2267 cairo_set_source_surface(cr, rt->surface, 0, 0);
2270 cairo_pop_group_to_source(cr);
2275 cairo_set_source_surface(cr, rt->surface, 0, 0);
2279 work = rt->overlay_list;
2282 od = static_cast<OverlayData *>(work->data);
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);
2306 RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
2308 auto rt = g_new0(RendererTiles, 1);
2312 rt->f.area_changed = renderer_area_changed;
2313 rt->f.update_pixbuf = renderer_update_pixbuf;
2314 rt->f.free = renderer_free;
2315 rt->f.update_zoom = renderer_update_zoom;
2316 rt->f.invalidate_region = renderer_invalidate_region;
2317 rt->f.scroll = rt_scroll;
2318 rt->f.update_viewport = renderer_update_viewport;
2321 rt->f.overlay_add = renderer_tiles_overlay_add;
2322 rt->f.overlay_set = renderer_tiles_overlay_set;
2323 rt->f.overlay_get = renderer_tiles_overlay_get;
2325 rt->f.stereo_set = renderer_stereo_set;
2327 rt->tile_width = options->image.tile_size;
2328 rt->tile_height = options->image.tile_size;
2330 rt->tiles = nullptr;
2331 rt->tile_cache_size = 0;
2333 rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
2335 rt->draw_idle_id = 0;
2337 rt->stereo_mode = 0;
2338 rt->stereo_off_x = 0;
2339 rt->stereo_off_y = 0;
2341 rt->hidpi_scale = gtk_widget_get_scale_factor(GTK_WIDGET(rt->pr));
2343 g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
2344 G_CALLBACK(rt_hierarchy_changed_cb), rt);
2346 g_signal_connect(G_OBJECT(pr), "draw",
2347 G_CALLBACK(rt_draw_cb), rt);
2348 g_signal_connect(G_OBJECT(pr), "realize", G_CALLBACK(rt_realize_cb), rt);
2349 g_signal_connect(G_OBJECT(pr), "size-allocate", G_CALLBACK(rt_size_allocate_cb), rt);
2351 return reinterpret_cast<RendererFuncs *>(rt);
2355 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */