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"
29 #include <gdk-pixbuf/gdk-pixbuf.h>
31 #include <glib-object.h>
37 #include "pixbuf-renderer.h"
40 /* comment this out if not using this from within Geeqie
41 * defining GQ_BUILD does these things:
42 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
48 #include "pixbuf-util.h"
50 enum ExifOrientationType {
51 EXIF_ORIENTATION_UNKNOWN = 0,
52 EXIF_ORIENTATION_TOP_LEFT = 1,
53 EXIF_ORIENTATION_TOP_RIGHT = 2,
54 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
55 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
56 EXIF_ORIENTATION_LEFT_TOP = 5,
57 EXIF_ORIENTATION_RIGHT_TOP = 6,
58 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
59 EXIF_ORIENTATION_LEFT_BOTTOM = 8
66 constexpr size_t COLOR_BYTES = 3; /* rgb */
74 cairo_surface_t *surface; /* off screen buffer */
75 GdkPixbuf *pixbuf; /* pixbuf area for zooming */
76 gint x; /* x offset into image */
77 gint y; /* y offset into image */
78 gint w; /* width that is visible (may be less if at edge of image) */
79 gint h; /* height '' */
83 /* render_todo: (explanation)
85 AREA render area of tile, usually only used when loading an image
86 note: will jump to an ALL if render_done is not ALL.
87 ALL render entire tile, if never done before w/ ALL, for expose events *only*
90 ImageRenderType render_todo; /* what to do (see above) */
91 ImageRenderType render_done; /* highest that has been done before on tile */
96 guint size; /* est. memory used by pixmap and pixbuf */
119 OverlayRendererFlags flags;
127 gint tile_cache_max; /* max MiB to use for offscreen buffer */
131 gint tile_cols; /* count of tile columns */
132 GList *tiles; /* list of buffer tiles */
133 gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
134 GList *draw_queue; /* list of areas to redraw */
135 GList *draw_queue_2pass;/* list when 2 pass is enabled */
138 cairo_surface_t *overlay_buffer;
139 cairo_surface_t *surface;
141 guint draw_idle_id; /* event source id */
143 GdkPixbuf *spare_tile;
149 gint x_scroll; /* allow local adjustment and mirroring */
157 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h);
158 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
161 static void rt_tile_free_all(RendererTiles *rt);
162 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h);
163 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
164 static void rt_queue_clear(RendererTiles *rt);
165 static void rt_queue_merge(QueueData *parent, QueueData *qd);
166 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
167 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
169 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
170 static gint rt_queue_draw_idle_cb(gpointer data);
172 #define GET_RIGHT_PIXBUF_OFFSET(rt) \
173 (( ((rt)->stereo_mode & PR_STEREO_RIGHT) && !((rt)->stereo_mode & PR_STEREO_SWAP)) || \
174 (!((rt)->stereo_mode & PR_STEREO_RIGHT) && ((rt)->stereo_mode & PR_STEREO_SWAP)) ? \
175 (rt)->pr->stereo_pixbuf_offset_right : (rt)->pr->stereo_pixbuf_offset_left )
177 #define GET_LEFT_PIXBUF_OFFSET(rt) \
178 ((!((rt)->stereo_mode & PR_STEREO_RIGHT) && !((rt)->stereo_mode & PR_STEREO_SWAP)) || \
179 ( ((rt)->stereo_mode & PR_STEREO_RIGHT) && ((rt)->stereo_mode & PR_STEREO_SWAP)) ? \
180 (rt)->pr->stereo_pixbuf_offset_right : (rt)->pr->stereo_pixbuf_offset_left )
183 static void rt_sync_scroll(RendererTiles *rt)
185 PixbufRenderer *pr = rt->pr;
187 rt->x_scroll = (rt->stereo_mode & PR_STEREO_MIRROR) ?
188 pr->width - pr->vis_width - pr->x_scroll
191 rt->y_scroll = (rt->stereo_mode & PR_STEREO_FLIP) ?
192 pr->height - pr->vis_height - pr->y_scroll
197 *-------------------------------------------------------------------
199 *-------------------------------------------------------------------
202 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
204 PixbufRenderer *pr = rt->pr;
213 box = GTK_WIDGET(pr);
214 window = gtk_widget_get_window(box);
218 cr = cairo_create(rt->surface);
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, static_cast<double>(pr->color.red), static_cast<double>(pr->color.green), static_cast<double>(pr->color.blue));
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, nullptr);
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, static_cast<double>(pr->color.red), static_cast<double>(pr->color.green), static_cast<double>(pr->color.blue));
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, nullptr);
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, static_cast<double>(pr->color.red), static_cast<double>(pr->color.green), static_cast<double>(pr->color.blue));
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, nullptr);
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, static_cast<double>(pr->color.red), static_cast<double>(pr->color.green), static_cast<double>(pr->color.blue));
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, nullptr);
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, static_cast<double>(pr->color.red), static_cast<double>(pr->color.green), static_cast<double>(pr->color.blue));
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, nullptr);
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)
304 auto it = g_new0(ImageTile, 1);
311 it->render_done = TILE_RENDER_NONE;
316 static void rt_tile_free(ImageTile *it)
320 if (it->pixbuf) g_object_unref(it->pixbuf);
321 if (it->surface) cairo_surface_destroy(it->surface);
326 static void rt_tile_free_all(RendererTiles *rt)
328 g_list_free_full(rt->tiles, reinterpret_cast<GDestroyNotify>(rt_tile_free));
330 rt->tile_cache_size = 0;
333 static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
335 PixbufRenderer *pr = rt->pr;
338 it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
340 if (it->x + it->w > pr->width) it->w = pr->width - it->x;
341 if (it->y + it->h > pr->height) it->h = pr->height - it->y;
343 rt->tiles = g_list_prepend(rt->tiles, it);
344 rt->tile_cache_size += it->size;
349 static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
353 QueueData *qd = it->qd;
356 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
362 QueueData *qd = it->qd2;
365 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
369 rt->tiles = g_list_remove(rt->tiles, it);
370 rt->tile_cache_size -= it->size;
375 static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
377 PixbufRenderer *pr = rt->pr;
381 work = g_list_last(rt->tiles);
383 if (pr->source_tiles_enabled && pr->scale < 1.0)
387 tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
388 tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
389 (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
393 tile_max = rt->tile_cache_max * 1048576;
396 while (work && rt->tile_cache_size + space > tile_max)
400 needle = static_cast<ImageTile *>(work->data);
403 ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
407 static void rt_tile_invalidate_all(RendererTiles *rt)
409 PixbufRenderer *pr = rt->pr;
417 it = static_cast<ImageTile *>(work->data);
420 it->render_done = TILE_RENDER_NONE;
421 it->render_todo = TILE_RENDER_ALL;
424 it->w = MIN(rt->tile_width, pr->width - it->x);
425 it->h = MIN(rt->tile_height, pr->height - it->y);
429 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
437 x1 = ROUND_DOWN(x, rt->tile_width);
438 x2 = ROUND_UP(x + w, rt->tile_width);
440 y1 = ROUND_DOWN(y, rt->tile_height);
441 y2 = ROUND_UP(y + h, rt->tile_height);
448 it = static_cast<ImageTile *>(work->data);
451 if (it->x < x2 && it->x + it->w > x1 &&
452 it->y < y2 && it->y + it->h > y1)
454 it->render_done = TILE_RENDER_NONE;
455 it->render_todo = TILE_RENDER_ALL;
460 static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
469 it = static_cast<ImageTile *>(work->data);
470 if (it->x == x && it->y == y)
472 rt->tiles = g_list_delete_link(rt->tiles, work);
473 rt->tiles = g_list_prepend(rt->tiles, it);
480 if (only_existing) return nullptr;
482 return rt_tile_add(rt, x, y);
485 static gint pixmap_calc_size(cairo_surface_t *)
487 return options->image.tile_size * options->image.tile_size * 4 / 8;
490 static void rt_hidpi_aware_draw(
497 cairo_surface_t *surface;
498 surface = gdk_cairo_surface_create_from_pixbuf(pixbuf, rt->hidpi_scale, nullptr);
499 cairo_set_source_surface(cr, surface, x, y);
501 cairo_surface_destroy(surface);
504 static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
506 PixbufRenderer *pr = rt->pr;
509 cairo_surface_t *surface;
512 surface = gdk_window_create_similar_surface(gtk_widget_get_window(reinterpret_cast<GtkWidget *>(pr)),
514 rt->tile_width, rt->tile_height);
516 size = pixmap_calc_size(surface) * rt->hidpi_scale * rt->hidpi_scale;
517 rt_tile_free_space(rt, size, it);
519 it->surface = surface;
521 rt->tile_cache_size += size;
528 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->hidpi_scale * rt->tile_width, rt->hidpi_scale * rt->tile_height);
530 size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height * rt->hidpi_scale;
531 rt_tile_free_space(rt, size, it);
535 rt->tile_cache_size += size;
540 *-------------------------------------------------------------------
542 *-------------------------------------------------------------------
545 static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
546 gint *x, gint *y, gint *w, gint *h)
548 PixbufRenderer *pr = rt->pr;
554 pw = gdk_pixbuf_get_width(od->pixbuf);
555 ph = gdk_pixbuf_get_height(od->pixbuf);
559 if (od->flags & OVL_RELATIVE)
561 if (px < 0) px = pr->viewport_width - pw + px;
562 if (py < 0) py = pr->viewport_height - ph + py;
571 static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
573 PixbufRenderer *pr = rt->pr;
578 GdkWindowAttr attributes;
579 gint attributes_mask;
581 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
583 attributes.window_type = GDK_WINDOW_CHILD;
584 attributes.wclass = GDK_INPUT_OUTPUT;
585 attributes.width = pw;
586 attributes.height = ph;
587 attributes.event_mask = GDK_EXPOSURE_MASK;
590 od->window = gdk_window_new(gtk_widget_get_window(GTK_WIDGET(pr)), &attributes, attributes_mask);
591 gdk_window_set_user_data(od->window, pr);
592 gdk_window_move(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y);
593 gdk_window_show(od->window);
596 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
599 PixbufRenderer *pr = rt->pr;
602 work = rt->overlay_list;
615 od = static_cast<OverlayData *>(work->data);
618 if (!od->window) rt_overlay_init_window(rt, od);
620 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
621 if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
623 if (!rt->overlay_buffer)
625 rt->overlay_buffer = gdk_window_create_similar_surface(gtk_widget_get_window(reinterpret_cast<GtkWidget *>(pr)),
627 rt->tile_width, rt->tile_height);
634 cr = cairo_create(rt->overlay_buffer);
635 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);
636 cairo_rectangle(cr, 0, 0, rw, rh);
637 cairo_fill_preserve(cr);
639 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - rx, py - ry);
643 cr = gdk_cairo_create(od->window);
644 cairo_set_source_surface(cr, rt->overlay_buffer, rx - px, ry - py);
645 cairo_rectangle (cr, rx - px, ry - py, rw, rh);
651 /* no ImageTile means region may be larger than our scratch buffer */
655 for (sx = rx; sx < rx + rw; sx += rt->tile_width)
656 for (sy = ry; sy < ry + rh; sy += rt->tile_height)
662 sw = MIN(rx + rw - sx, rt->tile_width);
663 sh = MIN(ry + rh - sy, rt->tile_height);
665 cr = cairo_create(rt->overlay_buffer);
666 cairo_set_source_rgb(cr, 0, 0, 0);
667 cairo_rectangle(cr, 0, 0, sw, sh);
668 cairo_fill_preserve(cr);
670 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px - sx, py - sy);
674 cr = gdk_cairo_create(od->window);
675 cairo_set_source_surface(cr, rt->overlay_buffer, sx - px, sy - py);
676 cairo_rectangle (cr, sx - px, sy - py, sw, sh);
685 static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
687 PixbufRenderer *pr = rt->pr;
693 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
701 rt_queue(rt, rt->x_scroll - pr->x_offset + x,
702 rt->y_scroll - pr->y_offset + y,
704 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
706 rt_border_draw(rt, x, y, w, h);
709 static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
713 work = rt->overlay_list;
716 auto od = static_cast<OverlayData *>(work->data);
719 rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
723 static void rt_overlay_update_sizes(RendererTiles *rt)
727 work = rt->overlay_list;
730 auto od = static_cast<OverlayData *>(work->data);
733 if (!od->window) rt_overlay_init_window(rt, od);
735 if (od->flags & OVL_RELATIVE)
742 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
743 gdk_window_move_resize(od->window, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
748 static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
752 work = rt->overlay_list;
755 auto od = static_cast<OverlayData *>(work->data);
758 if (od->id == id) return od;
765 gint renderer_tiles_overlay_add(void *renderer, GdkPixbuf *pixbuf, gint x, gint y,
766 OverlayRendererFlags flags)
768 auto rt = static_cast<RendererTiles *>(renderer);
769 PixbufRenderer *pr = rt->pr;
772 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
773 g_return_val_if_fail(pixbuf != nullptr, -1);
776 while (rt_overlay_find(rt, id)) id++;
778 auto od = g_new0(OverlayData, 1);
781 g_object_ref(G_OBJECT(od->pixbuf));
786 rt_overlay_init_window(rt, od);
788 rt->overlay_list = g_list_append(rt->overlay_list, od);
790 gtk_widget_queue_draw(GTK_WIDGET(rt->pr));
795 static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
797 rt->overlay_list = g_list_remove(rt->overlay_list, od);
799 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
800 if (od->window) gdk_window_destroy(od->window);
803 if (!rt->overlay_list && rt->overlay_buffer)
805 cairo_surface_destroy(rt->overlay_buffer);
806 rt->overlay_buffer = nullptr;
810 static void rt_overlay_list_clear(RendererTiles *rt)
812 while (rt->overlay_list)
814 auto od = static_cast<OverlayData *>(rt->overlay_list->data);
815 rt_overlay_free(rt, od);
819 static void rt_overlay_list_reset_window(RendererTiles *rt)
823 if (rt->overlay_buffer) cairo_surface_destroy(rt->overlay_buffer);
824 rt->overlay_buffer = nullptr;
826 work = rt->overlay_list;
829 auto od = static_cast<OverlayData *>(work->data);
831 if (od->window) gdk_window_destroy(od->window);
832 od->window = nullptr;
836 void renderer_tiles_overlay_set(void *renderer, gint id, GdkPixbuf *pixbuf, gint, gint)
838 auto rc = static_cast<RendererTiles *>(renderer);
839 PixbufRenderer *pr = rc->pr;
842 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
844 od = rt_overlay_find(rc, id);
849 g_object_ref(G_OBJECT(pixbuf));
850 g_object_unref(G_OBJECT(od->pixbuf));
855 rt_overlay_free(rc, od);
858 gtk_widget_queue_draw(GTK_WIDGET(rc->pr));
861 gboolean renderer_tiles_overlay_get(void *renderer, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
863 auto rt = static_cast<RendererTiles *>(renderer);
864 PixbufRenderer *pr = rt->pr;
867 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
869 od = rt_overlay_find(rt, id);
870 if (!od) return FALSE;
872 if (pixbuf) *pixbuf = od->pixbuf;
879 static void rt_hierarchy_changed_cb(GtkWidget *, GtkWidget *, gpointer data)
881 auto rt = static_cast<RendererTiles *>(data);
882 rt_overlay_list_reset_window(rt);
886 *-------------------------------------------------------------------
888 *-------------------------------------------------------------------
891 static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
893 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);
894 return rt->spare_tile;
897 static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
899 GdkPixbuf *src = *tile;
912 gint tw = rt->tile_width * rt->hidpi_scale;
914 srs = gdk_pixbuf_get_rowstride(src);
915 s_pix = gdk_pixbuf_get_pixels(src);
916 spi = s_pix + (x * COLOR_BYTES);
918 dest = rt_get_spare_tile(rt);
919 drs = gdk_pixbuf_get_rowstride(dest);
920 d_pix = gdk_pixbuf_get_pixels(dest);
921 dpi = d_pix + (tw - 1) * COLOR_BYTES;
923 for (i = y; i < y + h; i++)
925 sp = spi + (i * srs);
926 ip = dpi - (i * COLOR_BYTES);
927 for (j = x; j < x + w; j++)
930 memcpy(dp, sp, COLOR_BYTES);
935 rt->spare_tile = src;
939 static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
941 GdkPixbuf *src = *tile;
954 gint th = rt->tile_height * 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 + (th - 1) * drs;
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_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
983 GdkPixbuf *src = *tile;
996 gint tw = rt->tile_width * rt->hidpi_scale;
998 srs = gdk_pixbuf_get_rowstride(src);
999 s_pix = gdk_pixbuf_get_pixels(src);
1000 spi = s_pix + (x * COLOR_BYTES);
1002 dest = rt_get_spare_tile(rt);
1003 drs = gdk_pixbuf_get_rowstride(dest);
1004 d_pix = gdk_pixbuf_get_pixels(dest);
1005 dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
1007 for (i = y; i < y + h; i++)
1009 sp = spi + (i * srs);
1010 dp = dpi + (i * drs);
1011 for (j = 0; j < w; j++)
1013 memcpy(dp, sp, COLOR_BYTES);
1019 rt->spare_tile = src;
1023 static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1025 GdkPixbuf *src = *tile;
1036 gint tw = rt->tile_width * rt->hidpi_scale;
1037 gint th = rt->tile_height * rt->hidpi_scale;
1039 srs = gdk_pixbuf_get_rowstride(src);
1040 s_pix = gdk_pixbuf_get_pixels(src);
1042 dest = rt_get_spare_tile(rt);
1043 drs = gdk_pixbuf_get_rowstride(dest);
1044 d_pix = gdk_pixbuf_get_pixels(dest);
1045 dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
1047 for (i = y; i < y + h; i++)
1049 sp = s_pix + (i * srs) + (x * COLOR_BYTES);
1050 dp = dpi - (i * drs) - (x * COLOR_BYTES);
1051 for (j = 0; j < w; j++)
1053 memcpy(dp, sp, COLOR_BYTES);
1059 rt->spare_tile = src;
1063 static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1065 GdkPixbuf *src = *tile;
1076 gint th = rt->tile_height * rt->hidpi_scale;
1078 srs = gdk_pixbuf_get_rowstride(src);
1079 s_pix = gdk_pixbuf_get_pixels(src);
1080 spi = s_pix + (x * COLOR_BYTES);
1082 dest = rt_get_spare_tile(rt);
1083 drs = gdk_pixbuf_get_rowstride(dest);
1084 d_pix = gdk_pixbuf_get_pixels(dest);
1085 dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
1087 for (i = y; i < y + h; i++)
1089 sp = spi + (i * srs);
1090 dp = dpi - (i * drs);
1091 memcpy(dp, sp, w * COLOR_BYTES);
1094 rt->spare_tile = src;
1098 static void rt_tile_apply_orientation(RendererTiles *rt, gint orientation, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
1100 switch (orientation)
1102 case EXIF_ORIENTATION_TOP_LEFT:
1103 /* normal -- nothing to do */
1105 case EXIF_ORIENTATION_TOP_RIGHT:
1108 rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
1111 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1114 rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
1117 case EXIF_ORIENTATION_BOTTOM_LEFT:
1120 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1123 case EXIF_ORIENTATION_LEFT_TOP:
1125 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1126 rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1129 case EXIF_ORIENTATION_RIGHT_TOP:
1130 /* rotated -90 (270) */
1132 rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
1135 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1137 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1138 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1141 case EXIF_ORIENTATION_LEFT_BOTTOM:
1144 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
1148 /* The other values are out of range */
1153 static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
1154 gint x, gint y, gint w, gint h,
1155 gboolean, gboolean fast)
1157 PixbufRenderer *pr = rt->pr;
1160 gboolean draw = FALSE;
1162 if (pr->zoom == 1.0 || pr->scale == 1.0)
1164 list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
1174 st = static_cast<SourceTile *>(work->data);
1177 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1178 it->x + x, it->y + y, w, h,
1179 &rx, &ry, &rw, &rh))
1182 cr = cairo_create(it->surface);
1183 cairo_rectangle (cr, rx - it->x, ry - it->y, rw, rh);
1187 cairo_set_source_rgb(cr, 0, 0, 0);
1190 else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
1192 rt_hidpi_aware_draw(rt, cr, st->pixbuf, -it->x + st->x, -it->y + st->y);
1207 if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
1208 scale_x = static_cast<gdouble>(pr->width) / pr->image_width;
1209 scale_y = static_cast<gdouble>(pr->height) / pr->image_height;
1211 sx = static_cast<gdouble>(it->x + x) / scale_x;
1212 sy = static_cast<gdouble>(it->y + y) / scale_y;
1213 sw = static_cast<gdouble>(w) / scale_x;
1214 sh = static_cast<gdouble>(h) / scale_y;
1216 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1219 /* draws red over draw region, to check for leaks (regions not filled) */
1220 pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
1223 list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
1237 st = static_cast<SourceTile *>(work->data);
1240 stx = floor(static_cast<gdouble>(st->x) * scale_x);
1241 sty = floor(static_cast<gdouble>(st->y) * scale_y);
1242 stw = ceil(static_cast<gdouble>(st->x + pr->source_tile_width) * scale_x) - stx;
1243 sth = ceil(static_cast<gdouble>(st->y + pr->source_tile_height) * scale_y) - sty;
1245 if (pr_clip_region(stx, sty, stw, sth,
1246 it->x + x, it->y + y, w, h,
1247 &rx, &ry, &rw, &rh))
1253 cr = cairo_create(it->surface);
1254 cairo_rectangle (cr, rx - st->x, ry - st->y, rw, rh);
1255 cairo_set_source_rgb(cr, 0, 0, 0);
1264 /* may need to use unfloored stx,sty values here */
1265 offset_x = static_cast<gdouble>(stx - it->x);
1266 offset_y = static_cast<gdouble>(sty - it->y);
1268 gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
1269 static_cast<gdouble>(0.0) + offset_x,
1270 static_cast<gdouble>(0.0) + offset_y,
1272 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
1287 * @param ignore_alpha
1298 * @param interp_type
1301 * @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
1305 static void rt_tile_get_region(gboolean has_alpha, gboolean ignore_alpha,
1306 const GdkPixbuf *src, GdkPixbuf *dest,
1307 int pb_x, int pb_y, int pb_w, int pb_h,
1308 double offset_x, double offset_y, double scale_x, double scale_y,
1309 GdkInterpType interp_type,
1310 int check_x, int check_y, gboolean wide_image)
1312 GdkPixbuf* tmppixbuf;
1331 if (scale_x == 1.0 && scale_y == 1.0)
1335 srs = gdk_pixbuf_get_rowstride(src);
1336 drs = gdk_pixbuf_get_rowstride(dest);
1337 psrc = gdk_pixbuf_get_pixels(src);
1338 pdst = gdk_pixbuf_get_pixels(dest);
1339 for (y = 0; y < pb_h; y++)
1341 for (x = 0; x < pb_w; x++)
1343 for (c = 0; c < 3; c++)
1345 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];
1352 gdk_pixbuf_copy_area(src,
1353 -offset_x + pb_x, -offset_y + pb_y,
1361 gdk_pixbuf_scale(src, dest,
1362 pb_x, pb_y, pb_w, pb_h,
1366 (wide_image && interp_type == GDK_INTERP_NEAREST) ? GDK_INTERP_TILES : interp_type);
1371 red_1=static_cast<guint32>(options->image.alpha_color_1.red * 255) << 16 & 0x00FF0000;
1372 green_1=static_cast<guint32>(options->image.alpha_color_1.green * 255) << 8 & 0x0000FF00;
1373 blue_1=static_cast<guint32>(options->image.alpha_color_1.blue * 255) & 0x000000FF;
1374 red_2=static_cast<guint32>(options->image.alpha_color_2.red * 255) << 16 & 0x00FF0000;
1375 green_2=static_cast<guint32>(options->image.alpha_color_2.green * 255) << 8 & 0x0000FF00;
1376 blue_2=static_cast<guint32>(options->image.alpha_color_2.blue * 255) & 0x000000FF;
1377 alpha_1 = red_1 + green_1 + blue_1;
1378 alpha_2 = red_2 + green_2 + blue_2;
1382 tmppixbuf = gdk_pixbuf_add_alpha(src, FALSE, 0, 0, 0);
1384 pixbuf_ignore_alpha_rect(tmppixbuf, 0, 0, gdk_pixbuf_get_width(src), gdk_pixbuf_get_height(src));
1386 gdk_pixbuf_composite_color(tmppixbuf, dest,
1387 pb_x, pb_y, pb_w, pb_h,
1391 (scale_x == 1.0 && scale_y == 1.0) ? GDK_INTERP_NEAREST : interp_type,
1392 255, check_x, check_y,
1393 PR_ALPHA_CHECK_SIZE,
1396 g_object_unref(tmppixbuf);
1400 gdk_pixbuf_composite_color(src, dest,
1401 pb_x, pb_y, pb_w, pb_h,
1405 (scale_x == 1.0 && scale_y == 1.0) ? GDK_INTERP_NEAREST : interp_type,
1406 255, check_x, check_y,
1407 PR_ALPHA_CHECK_SIZE,
1415 static gint rt_get_orientation(RendererTiles *rt)
1417 PixbufRenderer *pr = rt->pr;
1419 gint orientation = pr->orientation;
1420 static const gint mirror[] = {1, 2, 1, 4, 3, 6, 5, 8, 7};
1421 static const gint flip[] = {1, 4, 3, 2, 1, 8, 7, 6, 5};
1423 if (rt->stereo_mode & PR_STEREO_MIRROR) orientation = mirror[orientation];
1424 if (rt->stereo_mode & PR_STEREO_FLIP) orientation = flip[orientation];
1429 static void rt_tile_render(RendererTiles *rt, ImageTile *it,
1430 gint x, gint y, gint w, gint h,
1431 gboolean new_data, gboolean fast)
1433 PixbufRenderer *pr = rt->pr;
1435 gboolean draw = FALSE;
1436 gint orientation = rt_get_orientation(rt);
1437 gboolean wide_image = FALSE;
1439 if (it->render_todo == TILE_RENDER_NONE && it->surface && !new_data) return;
1441 if (it->render_done != TILE_RENDER_ALL)
1447 if (!fast) it->render_done = TILE_RENDER_ALL;
1449 else if (it->render_todo != TILE_RENDER_AREA)
1451 if (!fast) it->render_todo = TILE_RENDER_NONE;
1455 if (!fast) it->render_todo = TILE_RENDER_NONE;
1457 if (new_data) it->blank = FALSE;
1459 rt_tile_prepare(rt, it);
1460 has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
1462 /** @FIXME checker colors for alpha should be configurable,
1463 * also should be drawn for blank = TRUE
1468 /* no data, do fast rect fill */
1470 cr = cairo_create(it->surface);
1471 cairo_rectangle (cr, 0, 0, it->w, it->h);
1472 cairo_set_source_rgb(cr, 0, 0, 0);
1476 else if (pr->source_tiles_enabled)
1478 draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
1491 if (pr->image_width == 0 || pr->image_height == 0) return;
1493 scale_x = rt->hidpi_scale * static_cast<gdouble>(pr->width) / pr->image_width;
1494 scale_y = rt->hidpi_scale * static_cast<gdouble>(pr->height) / pr->image_height;
1496 pr_tile_coords_map_orientation(orientation, it->x, it->y,
1497 pr->width, pr->height,
1498 rt->tile_width, rt->tile_height,
1500 pr_tile_region_map_orientation(orientation, x, y,
1501 rt->tile_width, rt->tile_height,
1506 src_x *= rt->hidpi_scale;
1507 src_y *= rt->hidpi_scale;
1508 pb_x *= rt->hidpi_scale;
1509 pb_y *= rt->hidpi_scale;
1510 pb_w *= rt->hidpi_scale;
1511 pb_h *= rt->hidpi_scale;
1513 switch (orientation)
1516 case EXIF_ORIENTATION_LEFT_TOP:
1517 case EXIF_ORIENTATION_RIGHT_TOP:
1518 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1519 case EXIF_ORIENTATION_LEFT_BOTTOM:
1529 /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
1530 * small sizes for anything but GDK_INTERP_NEAREST
1532 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1533 if (pr->image_width > 32767) wide_image = TRUE;
1535 rt_tile_get_region(has_alpha, pr->ignore_alpha,
1536 pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
1537 static_cast<gdouble>(0.0) - src_x - GET_RIGHT_PIXBUF_OFFSET(rt) * scale_x,
1538 static_cast<gdouble>(0.0) - src_y,
1540 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1541 it->x + pb_x, it->y + pb_y, wide_image);
1542 if (rt->stereo_mode & PR_STEREO_ANAGLYPH &&
1543 (pr->stereo_pixbuf_offset_right > 0 || pr->stereo_pixbuf_offset_left > 0))
1545 GdkPixbuf *right_pb = rt_get_spare_tile(rt);
1546 rt_tile_get_region(has_alpha, pr->ignore_alpha,
1547 pr->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h,
1548 static_cast<gdouble>(0.0) - src_x - GET_LEFT_PIXBUF_OFFSET(rt) * scale_x,
1549 static_cast<gdouble>(0.0) - src_y,
1551 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1552 it->x + pb_x, it->y + pb_y, wide_image);
1553 pr_create_anaglyph(rt->stereo_mode, it->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h);
1554 /* do not care about freeing spare_tile, it will be reused */
1556 rt_tile_apply_orientation(rt, orientation, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
1560 if (draw && it->pixbuf && !it->blank)
1564 if (pr->func_post_process && !(pr->post_process_slow && fast))
1565 pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
1567 cr = cairo_create(it->surface);
1568 cairo_rectangle (cr, x, y, w, h);
1569 rt_hidpi_aware_draw(rt, cr, it->pixbuf, 0, 0);
1575 static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
1576 gint x, gint y, gint w, gint h,
1577 gboolean new_data, gboolean fast)
1579 PixbufRenderer *pr = rt->pr;
1582 /* clamp to visible */
1583 if (it->x + x < rt->x_scroll)
1585 w -= rt->x_scroll - it->x - x;
1586 x = rt->x_scroll - it->x;
1588 if (it->x + x + w > rt->x_scroll + pr->vis_width)
1590 w = rt->x_scroll + pr->vis_width - it->x - x;
1593 if (it->y + y < rt->y_scroll)
1595 h -= rt->y_scroll - it->y - y;
1596 y = rt->y_scroll - it->y;
1598 if (it->y + y + h > rt->y_scroll + pr->vis_height)
1600 h = rt->y_scroll + pr->vis_height - it->y - y;
1604 rt_tile_render(rt, it, x, y, w, h, new_data, fast);
1606 cr = cairo_create(rt->surface);
1607 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);
1608 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);
1612 if (rt->overlay_list)
1614 rt_overlay_draw(rt, pr->x_offset + (it->x - rt->x_scroll) + x,
1615 pr->y_offset + (it->y - rt->y_scroll) + y,
1620 gtk_widget_queue_draw(GTK_WIDGET(rt->pr));
1624 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
1626 PixbufRenderer *pr = rt->pr;
1627 return (it->x + it->w >= rt->x_scroll && it->x < rt->x_scroll + pr->vis_width &&
1628 it->y + it->h >= rt->y_scroll && it->y < rt->y_scroll + pr->vis_height);
1632 *-------------------------------------------------------------------
1634 *-------------------------------------------------------------------
1637 static gint rt_get_queued_area(GList *work)
1643 auto qd = static_cast<QueueData *>(work->data);
1644 area += qd->w * qd->h;
1651 static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
1653 PixbufRenderer *pr = rt->pr;
1655 gint visible_area = pr->vis_width * pr->vis_height;
1660 DEBUG_2("redraw priority: 2pass");
1661 rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, nullptr);
1662 return G_SOURCE_REMOVE;
1665 if (visible_area == 0)
1672 percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
1677 /* we have enough data for starting intensive redrawing */
1678 DEBUG_2("redraw priority: high %.2f %%", percent);
1679 rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, nullptr);
1680 return G_SOURCE_REMOVE;
1683 if (percent < 1.0 || force_set)
1685 /* queue is (almost) empty, wait 50 ms*/
1686 DEBUG_2("redraw priority: wait %.2f %%", percent);
1687 rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, nullptr);
1688 return G_SOURCE_REMOVE;
1691 /* keep the same priority as before */
1692 DEBUG_2("redraw priority: no change %.2f %%", percent);
1693 return G_SOURCE_CONTINUE;
1697 static gboolean rt_queue_draw_idle_cb(gpointer data)
1699 auto rt = static_cast<RendererTiles *>(data);
1700 PixbufRenderer *pr = rt->pr;
1705 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
1706 (!rt->draw_queue && !rt->draw_queue_2pass) ||
1709 pr_render_complete_signal(pr);
1711 rt->draw_idle_id = 0;
1712 return G_SOURCE_REMOVE;
1717 qd = static_cast<QueueData *>(rt->draw_queue->data);
1718 fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
1724 /* still loading, wait till done (also drops the higher priority) */
1726 return rt_queue_schedule_next_draw(rt, FALSE);
1729 qd = static_cast<QueueData *>(rt->draw_queue_2pass->data);
1733 if (gtk_widget_get_realized(GTK_WIDGET(pr)))
1735 if (rt_tile_is_visible(rt, qd->it))
1737 rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1739 else if (qd->new_data)
1741 /* if new pixel data, and we already have a pixmap, update the tile */
1742 qd->it->blank = FALSE;
1743 if (qd->it->surface && qd->it->render_done == TILE_RENDER_ALL)
1745 rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1752 qd->it->qd = nullptr;
1753 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
1758 rt_queue_merge(qd->it->qd2, qd);
1764 rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
1774 qd->it->qd2 = nullptr;
1775 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
1779 if (!rt->draw_queue && !rt->draw_queue_2pass)
1781 pr_render_complete_signal(pr);
1783 rt->draw_idle_id = 0;
1784 return G_SOURCE_REMOVE;
1787 return rt_queue_schedule_next_draw(rt, FALSE);
1790 static void rt_queue_list_free(GList *list)
1799 qd = static_cast<QueueData *>(work->data);
1802 qd->it->qd = nullptr;
1803 qd->it->qd2 = nullptr;
1810 static void rt_queue_clear(RendererTiles *rt)
1812 rt_queue_list_free(rt->draw_queue);
1813 rt->draw_queue = nullptr;
1815 rt_queue_list_free(rt->draw_queue_2pass);
1816 rt->draw_queue_2pass = nullptr;
1818 if (rt->draw_idle_id)
1820 g_source_remove(rt->draw_idle_id);
1821 rt->draw_idle_id = 0;
1826 static void rt_queue_merge(QueueData *parent, QueueData *qd)
1828 if (parent->x + parent->w < qd->x + qd->w)
1830 parent->w += (qd->x + qd->w) - (parent->x + parent->w);
1832 if (parent->x > qd->x)
1834 parent->w += parent->x - qd->x;
1838 if (parent->y + parent->h < qd->y + qd->h)
1840 parent->h += (qd->y + qd->h) - (parent->y + parent->h);
1842 if (parent->y > qd->y)
1844 parent->h += parent->y - qd->y;
1848 parent->new_data |= qd->new_data;
1851 static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
1853 PixbufRenderer *pr = rt->pr;
1864 vh = pr->vis_height;
1869 if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
1872 nx = CLAMP(*x, vx, vx + vw);
1873 nw = CLAMP(*w - (nx - *x), 1, vw);
1875 ny = CLAMP(*y, vy, vy + vh);
1876 nh = CLAMP(*h - (ny - *y), 1, vh);
1886 static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
1887 gboolean clamp, ImageRenderType render,
1888 gboolean new_data, gboolean only_existing)
1890 PixbufRenderer *pr = rt->pr;
1898 if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
1900 x1 = ROUND_DOWN(x, rt->tile_width);
1901 x2 = ROUND_UP(x + w, rt->tile_width);
1903 y1 = ROUND_DOWN(y, rt->tile_height);
1904 y2 = ROUND_UP(y + h, rt->tile_height);
1906 for (j = y1; j <= y2; j += rt->tile_height)
1908 for (i = x1; i <= x2; i += rt->tile_width)
1912 it = rt_tile_get(rt, i, j,
1914 (i + rt->tile_width < rt->x_scroll ||
1915 i > rt->x_scroll + pr->vis_width ||
1916 j + rt->tile_height < rt->y_scroll ||
1917 j > rt->y_scroll + pr->vis_height)));
1920 if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
1921 (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
1923 it->render_todo = render;
1926 auto qd = g_new(QueueData, 1);
1928 qd->new_data = new_data;
1938 qd->w = x + w - i - qd->x;
1939 if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
1949 qd->h = y + h - j - qd->y;
1950 if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
1952 if (qd->w < 1 || qd->h < 1)
1958 rt_queue_merge(it->qd, qd);
1964 rt->draw_queue = g_list_append(rt->draw_queue, qd);
1973 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
1974 gboolean clamp, ImageRenderType render,
1975 gboolean new_data, gboolean only_existing)
1977 PixbufRenderer *pr = rt->pr;
1983 nx = CLAMP(x, 0, pr->width - 1);
1984 ny = CLAMP(y, 0, pr->height - 1);
1987 w = CLAMP(w, 0, pr->width - nx);
1988 h = CLAMP(h, 0, pr->height - ny);
1989 if (w < 1 || h < 1) return;
1991 if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
1992 ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
1994 if (rt->draw_idle_id)
1996 g_source_remove(rt->draw_idle_id);
1997 rt->draw_idle_id = 0;
1999 rt_queue_schedule_next_draw(rt, TRUE);
2003 static void rt_scroll(void *renderer, gint x_off, gint y_off)
2005 auto rt = static_cast<RendererTiles *>(renderer);
2006 PixbufRenderer *pr = rt->pr;
2009 if (rt->stereo_mode & PR_STEREO_MIRROR) x_off = -x_off;
2010 if (rt->stereo_mode & PR_STEREO_FLIP) y_off = -y_off;
2012 gint w = pr->vis_width - abs(x_off);
2013 gint h = pr->vis_height - abs(y_off);
2017 /* scrolled completely to new material */
2018 rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2027 cairo_surface_t *surface;
2051 cr = cairo_create(rt->surface);
2052 surface = rt->surface;
2054 /* clipping restricts the intermediate surface's size, so it's a good idea
2056 cairo_rectangle(cr, x1 + pr->x_offset + rt->stereo_off_x, y1 + pr->y_offset + rt->stereo_off_y, w, h);
2058 /* Now push a group to change the target */
2059 cairo_push_group (cr);
2060 cairo_set_source_surface(cr, surface, x1 - x2, y1 - y2);
2062 /* Now copy the intermediate target back */
2063 cairo_pop_group_to_source(cr);
2067 rt_overlay_queue_all(rt, x2, y2, x1, y1);
2069 w = pr->vis_width - w;
2070 h = pr->vis_height - h;
2075 x_off > 0 ? rt->x_scroll + (pr->vis_width - w) : rt->x_scroll, rt->y_scroll,
2076 w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2080 /** @FIXME to optimize this, remove overlap */
2082 rt->x_scroll, y_off > 0 ? rt->y_scroll + (pr->vis_height - h) : rt->y_scroll,
2083 pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
2087 static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
2089 auto rt = static_cast<RendererTiles *>(renderer);
2090 PixbufRenderer *pr = rt->pr;
2100 gint orientation = rt_get_orientation(rt);
2101 pr_coords_map_orientation_reverse(orientation,
2102 src_x - GET_RIGHT_PIXBUF_OFFSET(rt), src_y,
2103 pr->image_width, pr->image_height,
2108 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
2110 /* increase region when using a zoom quality that may access surrounding pixels */
2115 x1 = static_cast<gint>(floor(static_cast<gdouble>(x) * pr->scale));
2116 y1 = static_cast<gint>(floor(static_cast<gdouble>(y) * pr->scale * pr->aspect_ratio));
2117 x2 = static_cast<gint>(ceil(static_cast<gdouble>(x + width) * pr->scale));
2118 y2 = static_cast<gint>(ceil(static_cast<gdouble>(y + height) * pr->scale * pr->aspect_ratio));
2120 rt_queue(rt, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2123 static void renderer_redraw(RendererTiles *rt, gint x, gint y, gint w, gint h,
2124 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
2126 PixbufRenderer *pr = rt->pr;
2128 x -= rt->stereo_off_x;
2129 y -= rt->stereo_off_y;
2131 rt_border_draw(rt, x, y, w, h);
2133 x = MAX(0, x - pr->x_offset + pr->x_scroll);
2134 y = MAX(0, y - pr->y_offset + pr->y_scroll);
2138 MIN(w, pr->width - x),
2139 MIN(h, pr->height - y),
2140 clamp, render, new_data, only_existing);
2143 static void renderer_update_pixbuf(void *renderer, gboolean)
2145 rt_queue_clear(static_cast<RendererTiles *>(renderer));
2148 static void renderer_update_zoom(void *renderer, gboolean lazy)
2150 auto rt = static_cast<RendererTiles *>(renderer);
2151 PixbufRenderer *pr = rt->pr;
2153 rt_tile_invalidate_all(static_cast<RendererTiles *>(renderer));
2156 renderer_redraw(static_cast<RendererTiles *>(renderer), 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, TRUE, FALSE);
2158 rt_border_clear(rt);
2161 static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
2163 rt_tile_invalidate_region(static_cast<RendererTiles *>(renderer), x, y, w, h);
2166 static void renderer_update_viewport(void *renderer)
2168 auto rt = static_cast<RendererTiles *>(renderer);
2170 rt->stereo_off_x = 0;
2171 rt->stereo_off_y = 0;
2173 if (rt->stereo_mode & PR_STEREO_RIGHT)
2175 if (rt->stereo_mode & PR_STEREO_HORIZ)
2177 rt->stereo_off_x = rt->pr->viewport_width;
2179 else if (rt->stereo_mode & PR_STEREO_VERT)
2181 rt->stereo_off_y = rt->pr->viewport_height;
2183 else if (rt->stereo_mode & PR_STEREO_FIXED)
2185 rt->stereo_off_x = rt->pr->stereo_fixed_x_right;
2186 rt->stereo_off_y = rt->pr->stereo_fixed_y_right;
2191 if (rt->stereo_mode & PR_STEREO_FIXED)
2193 rt->stereo_off_x = rt->pr->stereo_fixed_x_left;
2194 rt->stereo_off_y = rt->pr->stereo_fixed_y_left;
2197 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);
2199 rt_overlay_update_sizes(rt);
2200 rt_border_clear(rt);
2203 static void renderer_stereo_set(void *renderer, gint stereo_mode)
2205 auto rt = static_cast<RendererTiles *>(renderer);
2207 rt->stereo_mode = stereo_mode;
2210 static void renderer_free(void *renderer)
2212 auto rt = static_cast<RendererTiles *>(renderer);
2214 rt_tile_free_all(rt);
2215 if (rt->spare_tile) g_object_unref(rt->spare_tile);
2216 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
2217 rt_overlay_list_clear(rt);
2218 /* disconnect "hierarchy-changed" */
2219 g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
2220 0, 0, nullptr, nullptr, rt);
2224 static gboolean rt_realize_cb(GtkWidget *widget, gpointer data)
2226 auto rt = static_cast<RendererTiles *>(data);
2231 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));
2233 cr = cairo_create(rt->surface);
2234 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));
2242 static gboolean rt_size_allocate_cb(GtkWidget *widget, GdkRectangle *allocation, gpointer data)
2244 auto rt = static_cast<RendererTiles *>(data);
2246 cairo_surface_t *old_surface;
2248 if (gtk_widget_get_realized(GTK_WIDGET(rt->pr)))
2250 old_surface = rt->surface;
2251 rt->surface = gdk_window_create_similar_surface(gtk_widget_get_window(widget), CAIRO_CONTENT_COLOR, allocation->width, allocation->height);
2253 cr = cairo_create(rt->surface);
2255 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));
2257 cairo_set_source_surface(cr, old_surface, 0, 0);
2260 cairo_surface_destroy(old_surface);
2262 renderer_redraw(rt, allocation->x, allocation->y, allocation->width, allocation->height, FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2268 static gboolean rt_draw_cb(GtkWidget *, cairo_t *cr, gpointer data)
2270 auto rt = static_cast<RendererTiles *>(data);
2274 if (rt->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT))
2276 cairo_push_group(cr);
2277 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));
2279 if (rt->stereo_mode & PR_STEREO_HORIZ)
2281 cairo_rectangle(cr, rt->stereo_off_x, 0, rt->pr->viewport_width, rt->pr->viewport_height);
2285 cairo_rectangle(cr, 0, rt->stereo_off_y, rt->pr->viewport_width, rt->pr->viewport_height);
2290 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);
2292 cairo_set_source_surface(cr, rt->surface, 0, 0);
2295 cairo_pop_group_to_source(cr);
2300 cairo_set_source_surface(cr, rt->surface, 0, 0);
2304 work = rt->overlay_list;
2307 od = static_cast<OverlayData *>(work->data);
2312 pw = gdk_pixbuf_get_width(od->pixbuf);
2313 ph = gdk_pixbuf_get_height(od->pixbuf);
2317 if (od->flags & OVL_RELATIVE)
2319 if (px < 0) px = rt->pr->viewport_width - pw + px;
2320 if (py < 0) py = rt->pr->viewport_height - ph + py;
2323 gdk_cairo_set_source_pixbuf(cr, od->pixbuf, px, py);
2331 RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
2333 auto rt = g_new0(RendererTiles, 1);
2337 rt->f.area_changed = renderer_area_changed;
2338 rt->f.update_pixbuf = renderer_update_pixbuf;
2339 rt->f.free = renderer_free;
2340 rt->f.update_zoom = renderer_update_zoom;
2341 rt->f.invalidate_region = renderer_invalidate_region;
2342 rt->f.scroll = rt_scroll;
2343 rt->f.update_viewport = renderer_update_viewport;
2346 rt->f.overlay_add = renderer_tiles_overlay_add;
2347 rt->f.overlay_set = renderer_tiles_overlay_set;
2348 rt->f.overlay_get = renderer_tiles_overlay_get;
2350 rt->f.stereo_set = renderer_stereo_set;
2352 rt->tile_width = options->image.tile_size;
2353 rt->tile_height = options->image.tile_size;
2355 rt->tiles = nullptr;
2356 rt->tile_cache_size = 0;
2358 rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
2360 rt->draw_idle_id = 0;
2362 rt->stereo_mode = 0;
2363 rt->stereo_off_x = 0;
2364 rt->stereo_off_y = 0;
2366 rt->hidpi_scale = gtk_widget_get_scale_factor(GTK_WIDGET(rt->pr));
2368 g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
2369 G_CALLBACK(rt_hierarchy_changed_cb), rt);
2371 g_signal_connect(G_OBJECT(pr), "draw",
2372 G_CALLBACK(rt_draw_cb), rt);
2373 g_signal_connect(G_OBJECT(pr), "realize", G_CALLBACK(rt_realize_cb), rt);
2374 g_signal_connect(G_OBJECT(pr), "size-allocate", G_CALLBACK(rt_size_allocate_cb), rt);
2376 return reinterpret_cast<RendererFuncs *>(rt);
2380 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */