4 * Copyright (C) 2008 - 2010 The Geeqie Team
7 * Author: Vladimir Nadvornik
9 * This software is released under the GNU General Public License (GNU GPL).
10 * Please read the included file COPYING for more information.
11 * This software comes with no warranty of any kind, use at your own risk!
20 #include "pixbuf-renderer.h"
21 #include "renderer-tiles.h"
29 /* comment this out if not using this from within Geeqie
30 * defining GQ_BUILD does these things:
31 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
37 #include "pixbuf_util.h"
41 EXIF_ORIENTATION_UNKNOWN = 0,
42 EXIF_ORIENTATION_TOP_LEFT = 1,
43 EXIF_ORIENTATION_TOP_RIGHT = 2,
44 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
45 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
46 EXIF_ORIENTATION_LEFT_TOP = 5,
47 EXIF_ORIENTATION_RIGHT_TOP = 6,
48 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
49 EXIF_ORIENTATION_LEFT_BOTTOM = 8
50 } ExifOrientationType;
54 /* size to use when breaking up image pane for rendering */
55 #define PR_TILE_SIZE 128
57 typedef struct _ImageTile ImageTile;
58 typedef struct _QueueData QueueData;
62 GdkPixmap *pixmap; /* off screen buffer */
63 GdkPixbuf *pixbuf; /* pixbuf area for zooming */
64 gint x; /* x offset into image */
65 gint y; /* y offset into image */
66 gint w; /* width that is visible (may be less if at edge of image) */
67 gint h; /* height '' */
71 /* render_todo: (explanation)
73 AREA render area of tile, usually only used when loading an image
74 note: will jump to an ALL if render_done is not ALL.
75 ALL render entire tile, if never done before w/ ALL, for expose events *only*
78 ImageRenderType render_todo; /* what to do (see above) */
79 ImageRenderType render_done; /* highest that has been done before on tile */
84 guint size; /* est. memory used by pixmap and pixbuf */
97 typedef struct _OverlayData OverlayData;
108 OverlayRendererFlags flags;
111 typedef struct _RendererTiles RendererTiles;
113 struct _RendererTiles
118 gint tile_cache_max; /* max mb to use for offscreen buffer */
122 gint tile_cols; /* count of tile columns */
123 GList *tiles; /* list of buffer tiles */
124 gint tile_cache_size; /* allocated size of pixmaps/pixbufs */
125 GList *draw_queue; /* list of areas to redraw */
126 GList *draw_queue_2pass;/* list when 2 pass is enabled */
129 GdkPixmap *overlay_buffer;
131 guint draw_idle_id; /* event source id */
133 GdkPixbuf *spare_tile;
139 gint x_scroll; /* allow local adjustment and mirroring */
146 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h);
147 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h, ImageTile *it);
150 static void rt_tile_free_all(RendererTiles *rt);
151 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h);
152 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it);
153 static void rt_queue_clear(RendererTiles *rt);
154 static void rt_queue_merge(QueueData *parent, QueueData *qd);
155 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
156 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
158 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data);
159 static gint rt_queue_draw_idle_cb(gpointer data);
160 static void renderer_redraw(void *renderer, gint x, gint y, gint w, gint h,
161 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing);
163 #define GET_RIGHT_PIXBUF_OFFSET(rt) \
164 (( (rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
165 (!(rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
166 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
168 #define GET_LEFT_PIXBUF_OFFSET(rt) \
169 ((!(rt->stereo_mode & PR_STEREO_RIGHT) && !(rt->stereo_mode & PR_STEREO_SWAP)) || \
170 ( (rt->stereo_mode & PR_STEREO_RIGHT) && (rt->stereo_mode & PR_STEREO_SWAP)) ? \
171 rt->pr->stereo_pixbuf_offset_right : rt->pr->stereo_pixbuf_offset_left )
174 static void rt_sync_scroll(RendererTiles *rt)
176 PixbufRenderer *pr = rt->pr;
178 rt->x_scroll = (rt->stereo_mode & PR_STEREO_MIRROR) ?
179 pr->width - pr->vis_width - pr->x_scroll
182 rt->y_scroll = (rt->stereo_mode & PR_STEREO_FLIP) ?
183 pr->height - pr->vis_height - pr->y_scroll
188 *-------------------------------------------------------------------
190 *-------------------------------------------------------------------
193 static void rt_border_draw(RendererTiles *rt, gint x, gint y, gint w, gint h)
195 PixbufRenderer *pr = rt->pr;
199 box = GTK_WIDGET(pr);
201 if (!box->window) return;
203 if (!pr->pixbuf && !pr->source_tiles_enabled)
205 if (pr_clip_region(x, y, w, h,
207 pr->viewport_width, pr->viewport_height,
210 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
211 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
216 if (pr->vis_width < pr->viewport_width)
218 if (pr->x_offset > 0 &&
219 pr_clip_region(x, y, w, h,
221 pr->x_offset, pr->viewport_height,
224 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
225 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
227 if (pr->viewport_width - pr->vis_width - pr->x_offset > 0 &&
228 pr_clip_region(x, y, w, h,
229 pr->x_offset + pr->vis_width, 0,
230 pr->viewport_width - pr->vis_width - pr->x_offset, pr->viewport_height,
233 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
234 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
237 if (pr->vis_height < pr->viewport_height)
239 if (pr->y_offset > 0 &&
240 pr_clip_region(x, y, w, h,
242 pr->vis_width, pr->y_offset,
245 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
246 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
248 if (pr->viewport_height - pr->vis_height - pr->y_offset > 0 &&
249 pr_clip_region(x, y, w, h,
250 pr->x_offset, pr->y_offset + pr->vis_height,
251 pr->vis_width, pr->viewport_height - pr->vis_height - pr->y_offset,
254 gdk_window_clear_area(box->window, rx + rt->stereo_off_x, ry + rt->stereo_off_y, rw, rh);
255 rt_overlay_draw(rt, rx, ry, rw, rh, NULL);
260 static void rt_border_clear(RendererTiles *rt)
262 PixbufRenderer *pr = rt->pr;
263 rt_border_draw(rt, 0, 0, pr->viewport_width, pr->viewport_height);
268 *-------------------------------------------------------------------
270 *-------------------------------------------------------------------
273 static ImageTile *rt_tile_new(gint x, gint y, gint width, gint height)
277 it = g_new0(ImageTile, 1);
284 it->render_done = TILE_RENDER_NONE;
289 static void rt_tile_free(ImageTile *it)
293 if (it->pixbuf) g_object_unref(it->pixbuf);
294 if (it->pixmap) g_object_unref(it->pixmap);
299 static void rt_tile_free_all(RendererTiles *rt)
314 g_list_free(rt->tiles);
316 rt->tile_cache_size = 0;
319 static ImageTile *rt_tile_add(RendererTiles *rt, gint x, gint y)
321 PixbufRenderer *pr = rt->pr;
324 it = rt_tile_new(x, y, rt->tile_width, rt->tile_height);
326 if (it->x + it->w > pr->width) it->w = pr->width - it->x;
327 if (it->y + it->h > pr->height) it->h = pr->height - it->y;
329 rt->tiles = g_list_prepend(rt->tiles, it);
330 rt->tile_cache_size += it->size;
335 static void rt_tile_remove(RendererTiles *rt, ImageTile *it)
339 QueueData *qd = it->qd;
342 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
348 QueueData *qd = it->qd2;
351 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
355 rt->tiles = g_list_remove(rt->tiles, it);
356 rt->tile_cache_size -= it->size;
361 static void rt_tile_free_space(RendererTiles *rt, guint space, ImageTile *it)
363 PixbufRenderer *pr = rt->pr;
367 work = g_list_last(rt->tiles);
369 if (pr->source_tiles_enabled && pr->scale < 1.0)
373 tiles = (pr->vis_width / rt->tile_width + 1) * (pr->vis_height / rt->tile_height + 1);
374 tile_max = MAX(tiles * rt->tile_width * rt->tile_height * 3,
375 (gint)((gdouble)rt->tile_cache_max * 1048576.0 * pr->scale));
379 tile_max = rt->tile_cache_max * 1048576;
382 while (work && rt->tile_cache_size + space > tile_max)
389 ((!needle->qd && !needle->qd2) || !rt_tile_is_visible(rt, needle))) rt_tile_remove(rt, needle);
393 static void rt_tile_invalidate_all(RendererTiles *rt)
395 PixbufRenderer *pr = rt->pr;
406 it->render_done = TILE_RENDER_NONE;
407 it->render_todo = TILE_RENDER_ALL;
410 it->w = MIN(rt->tile_width, pr->width - it->x);
411 it->h = MIN(rt->tile_height, pr->height - it->y);
415 static void rt_tile_invalidate_region(RendererTiles *rt, gint x, gint y, gint w, gint h)
421 x1 = ROUND_DOWN(x, rt->tile_width);
422 x2 = ROUND_UP(x + w, rt->tile_width);
424 y1 = ROUND_DOWN(y, rt->tile_height);
425 y2 = ROUND_UP(y + h, rt->tile_height);
435 if (it->x < x2 && it->x + it->w > x1 &&
436 it->y < y2 && it->y + it->h > y1)
438 it->render_done = TILE_RENDER_NONE;
439 it->render_todo = TILE_RENDER_ALL;
444 static ImageTile *rt_tile_get(RendererTiles *rt, gint x, gint y, gboolean only_existing)
454 if (it->x == x && it->y == y)
456 rt->tiles = g_list_delete_link(rt->tiles, work);
457 rt->tiles = g_list_prepend(rt->tiles, it);
464 if (only_existing) return NULL;
466 return rt_tile_add(rt, x, y);
469 static gint pixmap_calc_size(GdkPixmap *pixmap)
473 d = gdk_drawable_get_depth(pixmap);
474 gdk_drawable_get_size(pixmap, &w, &h);
475 return w * h * (d / 8);
478 static void rt_tile_prepare(RendererTiles *rt, ImageTile *it)
480 PixbufRenderer *pr = rt->pr;
486 pixmap = gdk_pixmap_new(((GtkWidget *)pr)->window, rt->tile_width, rt->tile_height, -1);
488 size = pixmap_calc_size(pixmap);
489 rt_tile_free_space(rt, size, it);
493 rt->tile_cache_size += size;
500 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
502 size = gdk_pixbuf_get_rowstride(pixbuf) * rt->tile_height;
503 rt_tile_free_space(rt, size, it);
507 rt->tile_cache_size += size;
512 *-------------------------------------------------------------------
514 *-------------------------------------------------------------------
517 static void rt_overlay_get_position(RendererTiles *rt, OverlayData *od,
518 gint *x, gint *y, gint *w, gint *h)
520 PixbufRenderer *pr = rt->pr;
523 pw = gdk_pixbuf_get_width(od->pixbuf);
524 ph = gdk_pixbuf_get_height(od->pixbuf);
528 if (od->flags & OVL_RELATIVE)
530 if (px < 0) px = pr->viewport_width - pw + px;
531 if (py < 0) py = pr->viewport_height - ph + py;
540 static void rt_overlay_init_window(RendererTiles *rt, OverlayData *od)
542 PixbufRenderer *pr = rt->pr;
544 GdkWindowAttr attributes;
545 gint attributes_mask;
547 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
549 attributes.window_type = GDK_WINDOW_CHILD;
550 attributes.wclass = GDK_INPUT_OUTPUT;
551 attributes.width = pw;
552 attributes.height = ph;
553 attributes.event_mask = GDK_EXPOSURE_MASK;
556 od->window = gdk_window_new(GTK_WIDGET(pr)->window, &attributes, attributes_mask);
557 gdk_window_set_user_data(od->window, pr);
558 gdk_window_move(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y);
559 gdk_window_show(od->window);
562 static void rt_overlay_draw(RendererTiles *rt, gint x, gint y, gint w, gint h,
565 PixbufRenderer *pr = rt->pr;
569 box = GTK_WIDGET(pr);
571 work = rt->overlay_list;
581 if (!od->window) rt_overlay_init_window(rt, od);
583 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
584 if (pr_clip_region(x, y, w, h, px, py, pw, ph, &rx, &ry, &rw, &rh))
586 if (!rt->overlay_buffer)
588 rt->overlay_buffer = gdk_pixmap_new(((GtkWidget *)pr)->window, rt->tile_width, rt->tile_height, -1);
593 #if GTK_CHECK_VERSION(2,20,0)
594 gdk_draw_drawable(rt->overlay_buffer, box->style->fg_gc[gtk_widget_get_state(box)],
596 gdk_draw_drawable(rt->overlay_buffer, box->style->fg_gc[GTK_WIDGET_STATE(box)],
599 rx - (pr->x_offset + (it->x - rt->x_scroll)),
600 ry - (pr->y_offset + (it->y - rt->y_scroll)),
602 gdk_draw_pixbuf(rt->overlay_buffer,
603 #if GTK_CHECK_VERSION(2,20,0)
604 box->style->fg_gc[gtk_widget_get_state(box)],
606 box->style->fg_gc[GTK_WIDGET_STATE(box)],
611 pr->dither_quality, rx, ry);
612 #if GTK_CHECK_VERSION(2,20,0)
613 gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
615 gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
619 rx - px, ry - py, rw, rh);
623 /* no ImageTile means region may be larger than our scratch buffer */
626 for (sx = rx; sx < rx + rw; sx += rt->tile_width)
627 for (sy = ry; sy < ry + rh; sy += rt->tile_height)
631 sw = MIN(rx + rw - sx, rt->tile_width);
632 sh = MIN(ry + rh - sy, rt->tile_height);
634 gdk_draw_rectangle(rt->overlay_buffer,
635 #if GTK_CHECK_VERSION(2,20,0)
636 box->style->bg_gc[gtk_widget_get_state(box)], TRUE,
638 box->style->bg_gc[GTK_WIDGET_STATE(box)], TRUE,
641 gdk_draw_pixbuf(rt->overlay_buffer,
642 #if GTK_CHECK_VERSION(2,20,0)
643 box->style->fg_gc[gtk_widget_get_state(box)],
645 box->style->fg_gc[GTK_WIDGET_STATE(box)],
650 pr->dither_quality, sx, sy);
651 #if GTK_CHECK_VERSION(2,20,0)
652 gdk_draw_drawable(od->window, box->style->fg_gc[gtk_widget_get_state(box)],
654 gdk_draw_drawable(od->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
658 sx - px, sy - py, sw, sh);
665 static void rt_overlay_queue_draw(RendererTiles *rt, OverlayData *od, gint x1, gint y1, gint x2, gint y2)
667 PixbufRenderer *pr = rt->pr;
670 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
678 rt_queue(rt, rt->x_scroll - pr->x_offset + x,
679 rt->y_scroll - pr->y_offset + y,
681 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
683 rt_border_draw(rt, x, y, w, h);
686 static void rt_overlay_queue_all(RendererTiles *rt, gint x1, gint y1, gint x2, gint y2)
690 work = rt->overlay_list;
693 OverlayData *od = work->data;
696 rt_overlay_queue_draw(rt, od, x1, y1, x2, y2);
700 static void rt_overlay_update_sizes(RendererTiles *rt)
704 work = rt->overlay_list;
707 OverlayData *od = work->data;
710 if (!od->window) rt_overlay_init_window(rt, od);
712 if (od->flags & OVL_RELATIVE)
716 rt_overlay_get_position(rt, od, &x, &y, &w, &h);
717 gdk_window_move_resize(od->window, x + rt->stereo_off_x, y + rt->stereo_off_y, w, h);
722 static OverlayData *rt_overlay_find(RendererTiles *rt, gint id)
726 work = rt->overlay_list;
729 OverlayData *od = work->data;
732 if (od->id == id) return od;
739 gint renderer_tiles_overlay_add(RendererTiles *rt, GdkPixbuf *pixbuf, gint x, gint y,
740 OverlayRendererFlags flags)
742 PixbufRenderer *pr = rt->pr;
746 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), -1);
747 g_return_val_if_fail(pixbuf != NULL, -1);
750 while (rt_overlay_find(rt, id)) id++;
752 od = g_new0(OverlayData, 1);
755 g_object_ref(G_OBJECT(od->pixbuf));
760 rt_overlay_init_window(rt, od);
762 rt->overlay_list = g_list_append(rt->overlay_list, od);
764 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
769 static void rt_overlay_free(RendererTiles *rt, OverlayData *od)
771 rt->overlay_list = g_list_remove(rt->overlay_list, od);
773 if (od->pixbuf) g_object_unref(G_OBJECT(od->pixbuf));
774 if (od->window) gdk_window_destroy(od->window);
777 if (!rt->overlay_list && rt->overlay_buffer)
779 g_object_unref(rt->overlay_buffer);
780 rt->overlay_buffer = NULL;
784 static void rt_overlay_list_clear(RendererTiles *rt)
786 while (rt->overlay_list)
790 od = rt->overlay_list->data;
791 rt_overlay_free(rt, od);
795 static void rt_overlay_list_reset_window(RendererTiles *rt)
799 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
800 rt->overlay_buffer = NULL;
802 work = rt->overlay_list;
805 OverlayData *od = work->data;
807 if (od->window) gdk_window_destroy(od->window);
812 void renderer_tiles_overlay_set(RendererTiles *rt, gint id, GdkPixbuf *pixbuf, gint x, gint y)
814 PixbufRenderer *pr = rt->pr;
817 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
819 od = rt_overlay_find(rt, id);
826 g_object_ref(G_OBJECT(pixbuf));
827 g_object_unref(G_OBJECT(od->pixbuf));
833 if (!od->window) rt_overlay_init_window(rt, od);
835 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
836 rt_overlay_get_position(rt, od, &px, &py, &pw, &ph);
837 gdk_window_move_resize(od->window, px + rt->stereo_off_x, py + rt->stereo_off_y, pw, ph);
841 rt_overlay_queue_draw(rt, od, 0, 0, 0, 0);
842 rt_overlay_free(rt, od);
846 gboolean renderer_tiles_overlay_get(RendererTiles *rt, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
848 PixbufRenderer *pr = rt->pr;
851 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
853 od = rt_overlay_find(rt, id);
854 if (!od) return FALSE;
856 if (pixbuf) *pixbuf = od->pixbuf;
863 static void rt_hierarchy_changed_cb(GtkWidget *widget, GtkWidget *previous_toplevel, gpointer data)
865 RendererTiles *rt = data;
866 rt_overlay_list_reset_window(rt);
870 *-------------------------------------------------------------------
872 *-------------------------------------------------------------------
875 static GdkPixbuf *rt_get_spare_tile(RendererTiles *rt)
877 if (!rt->spare_tile) rt->spare_tile = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, rt->tile_width, rt->tile_height);
878 return rt->spare_tile;
881 #define COLOR_BYTES 3 /* rgb */
883 static void rt_tile_rotate_90_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
885 GdkPixbuf *src = *tile;
888 guchar *s_pix, *d_pix;
890 guchar *ip, *spi, *dpi;
892 gint tw = rt->tile_width;
894 srs = gdk_pixbuf_get_rowstride(src);
895 s_pix = gdk_pixbuf_get_pixels(src);
896 spi = s_pix + (x * COLOR_BYTES);
898 dest = rt_get_spare_tile(rt);
899 drs = gdk_pixbuf_get_rowstride(dest);
900 d_pix = gdk_pixbuf_get_pixels(dest);
901 dpi = d_pix + (tw - 1) * COLOR_BYTES;
903 for (i = y; i < y + h; i++)
905 sp = spi + (i * srs);
906 ip = dpi - (i * COLOR_BYTES);
907 for (j = x; j < x + w; j++)
910 memcpy(dp, sp, COLOR_BYTES);
915 rt->spare_tile = src;
919 static void rt_tile_rotate_90_counter_clockwise(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
921 GdkPixbuf *src = *tile;
924 guchar *s_pix, *d_pix;
926 guchar *ip, *spi, *dpi;
928 gint th = rt->tile_height;
930 srs = gdk_pixbuf_get_rowstride(src);
931 s_pix = gdk_pixbuf_get_pixels(src);
932 spi = s_pix + (x * COLOR_BYTES);
934 dest = rt_get_spare_tile(rt);
935 drs = gdk_pixbuf_get_rowstride(dest);
936 d_pix = gdk_pixbuf_get_pixels(dest);
937 dpi = d_pix + (th - 1) * drs;
939 for (i = y; i < y + h; i++)
941 sp = spi + (i * srs);
942 ip = dpi + (i * COLOR_BYTES);
943 for (j = x; j < x + w; j++)
946 memcpy(dp, sp, COLOR_BYTES);
951 rt->spare_tile = src;
955 static void rt_tile_mirror_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
957 GdkPixbuf *src = *tile;
960 guchar *s_pix, *d_pix;
965 gint tw = rt->tile_width;
967 srs = gdk_pixbuf_get_rowstride(src);
968 s_pix = gdk_pixbuf_get_pixels(src);
969 spi = s_pix + (x * COLOR_BYTES);
971 dest = rt_get_spare_tile(rt);
972 drs = gdk_pixbuf_get_rowstride(dest);
973 d_pix = gdk_pixbuf_get_pixels(dest);
974 dpi = d_pix + (tw - x - 1) * COLOR_BYTES;
976 for (i = y; i < y + h; i++)
978 sp = spi + (i * srs);
979 dp = dpi + (i * drs);
980 for (j = 0; j < w; j++)
982 memcpy(dp, sp, COLOR_BYTES);
988 rt->spare_tile = src;
992 static void rt_tile_mirror_and_flip(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
994 GdkPixbuf *src = *tile;
997 guchar *s_pix, *d_pix;
1001 gint tw = rt->tile_width;
1002 gint th = rt->tile_height;
1004 srs = gdk_pixbuf_get_rowstride(src);
1005 s_pix = gdk_pixbuf_get_pixels(src);
1006 spi = s_pix + (x * COLOR_BYTES);
1008 dest = rt_get_spare_tile(rt);
1009 drs = gdk_pixbuf_get_rowstride(dest);
1010 d_pix = gdk_pixbuf_get_pixels(dest);
1011 dpi = d_pix + (th - 1) * drs + (tw - 1) * COLOR_BYTES;
1013 for (i = y; i < y + h; i++)
1015 sp = s_pix + (i * srs) + (x * COLOR_BYTES);
1016 dp = dpi - (i * drs) - (x * COLOR_BYTES);
1017 for (j = 0; j < w; j++)
1019 memcpy(dp, sp, COLOR_BYTES);
1025 rt->spare_tile = src;
1029 static void rt_tile_flip_only(RendererTiles *rt, GdkPixbuf **tile, gint x, gint y, gint w, gint h)
1031 GdkPixbuf *src = *tile;
1034 guchar *s_pix, *d_pix;
1038 gint th = rt->tile_height;
1040 srs = gdk_pixbuf_get_rowstride(src);
1041 s_pix = gdk_pixbuf_get_pixels(src);
1042 spi = s_pix + (x * COLOR_BYTES);
1044 dest = rt_get_spare_tile(rt);
1045 drs = gdk_pixbuf_get_rowstride(dest);
1046 d_pix = gdk_pixbuf_get_pixels(dest);
1047 dpi = d_pix + (th - 1) * drs + (x * COLOR_BYTES);
1049 for (i = y; i < y + h; i++)
1051 sp = spi + (i * srs);
1052 dp = dpi - (i * drs);
1053 memcpy(dp, sp, w * COLOR_BYTES);
1056 rt->spare_tile = src;
1060 static void rt_tile_apply_orientation(RendererTiles *rt, gint orientation, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h)
1062 switch (orientation)
1064 case EXIF_ORIENTATION_TOP_LEFT:
1065 /* normal -- nothing to do */
1067 case EXIF_ORIENTATION_TOP_RIGHT:
1070 rt_tile_mirror_only(rt, pixbuf, x, y, w, h);
1073 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1076 rt_tile_mirror_and_flip(rt, pixbuf, x, y, w, h);
1079 case EXIF_ORIENTATION_BOTTOM_LEFT:
1082 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1085 case EXIF_ORIENTATION_LEFT_TOP:
1087 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1088 rt_tile_rotate_90_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1091 case EXIF_ORIENTATION_RIGHT_TOP:
1092 /* rotated -90 (270) */
1094 rt_tile_rotate_90_clockwise(rt, pixbuf, x, y, w, h);
1097 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1099 rt_tile_flip_only(rt, pixbuf, x, y, w, h);
1100 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, rt->tile_height - y - h, w, h);
1103 case EXIF_ORIENTATION_LEFT_BOTTOM:
1106 rt_tile_rotate_90_counter_clockwise(rt, pixbuf, x, y, w, h);
1110 /* The other values are out of range */
1115 static gboolean rt_source_tile_render(RendererTiles *rt, ImageTile *it,
1116 gint x, gint y, gint w, gint h,
1117 gboolean new_data, gboolean fast)
1119 PixbufRenderer *pr = rt->pr;
1123 gboolean draw = FALSE;
1125 box = GTK_WIDGET(pr);
1127 if (pr->zoom == 1.0 || pr->scale == 1.0)
1129 list = pr_source_tile_compute_region(pr, it->x + x, it->y + y, w, h, TRUE);
1134 gint rx, ry, rw, rh;
1139 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1140 it->x + x, it->y + y, w, h,
1141 &rx, &ry, &rw, &rh))
1145 gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
1146 rx - st->x, ry - st->y, rw, rh);
1148 else /* (pr->zoom == 1.0 || pr->scale == 1.0) */
1150 gdk_draw_pixbuf(it->pixmap,
1151 #if GTK_CHECK_VERSION(2,20,0)
1152 box->style->fg_gc[gtk_widget_get_state(box)],
1154 box->style->fg_gc[GTK_WIDGET_STATE(box)],
1157 rx - st->x, ry - st->y,
1158 rx - it->x, ry - it->y,
1160 pr->dither_quality, rx, ry);
1167 gdouble scale_x, scale_y;
1168 gint sx, sy, sw, sh;
1170 if (pr->image_width == 0 || pr->image_height == 0) return FALSE;
1171 scale_x = (gdouble)pr->width / pr->image_width;
1172 scale_y = (gdouble)pr->height / pr->image_height;
1174 sx = (gdouble)(it->x + x) / scale_x;
1175 sy = (gdouble)(it->y + y) / scale_y;
1176 sw = (gdouble)w / scale_x;
1177 sh = (gdouble)h / scale_y;
1179 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1182 /* draws red over draw region, to check for leaks (regions not filled) */
1183 pixbuf_set_rect_fill(it->pixbuf, x, y, w, h, 255, 0, 0, 255);
1186 list = pr_source_tile_compute_region(pr, sx, sy, sw, sh, TRUE);
1191 gint rx, ry, rw, rh;
1192 gint stx, sty, stw, sth;
1197 stx = floor((gdouble)st->x * scale_x);
1198 sty = floor((gdouble)st->y * scale_y);
1199 stw = ceil((gdouble)(st->x + pr->source_tile_width) * scale_x) - stx;
1200 sth = ceil((gdouble)(st->y + pr->source_tile_height) * scale_y) - sty;
1202 if (pr_clip_region(stx, sty, stw, sth,
1203 it->x + x, it->y + y, w, h,
1204 &rx, &ry, &rw, &rh))
1208 gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
1209 rx - st->x, ry - st->y, rw, rh);
1216 /* may need to use unfloored stx,sty values here */
1217 offset_x = (gdouble)(stx - it->x);
1218 offset_y = (gdouble)(sty - it->y);
1220 gdk_pixbuf_scale(st->pixbuf, it->pixbuf, rx - it->x, ry - it->y, rw, rh,
1221 (gdouble) 0.0 + offset_x,
1222 (gdouble) 0.0 + offset_y,
1224 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality);
1236 static void rt_tile_get_region(gboolean has_alpha,
1237 const GdkPixbuf *src, GdkPixbuf *dest,
1238 int pb_x, int pb_y, int pb_w, int pb_h,
1239 double offset_x, double offset_y, double scale_x, double scale_y,
1240 GdkInterpType interp_type,
1241 int check_x, int check_y)
1245 if (scale_x == 1.0 && scale_y == 1.0)
1247 gdk_pixbuf_copy_area(src,
1248 -offset_x + pb_x, -offset_y + pb_y,
1255 gdk_pixbuf_scale(src, dest,
1256 pb_x, pb_y, pb_w, pb_h,
1265 gdk_pixbuf_composite_color(src, dest,
1266 pb_x, pb_y, pb_w, pb_h,
1271 255, check_x, check_y,
1272 PR_ALPHA_CHECK_SIZE, PR_ALPHA_CHECK1, PR_ALPHA_CHECK2);
1277 static gint rt_get_orientation(RendererTiles *rt)
1279 PixbufRenderer *pr = rt->pr;
1281 gint orientation = pr->orientation;
1282 static const gint mirror[] = {1, 2, 1, 4, 3, 6, 5, 8, 7};
1283 static const gint flip[] = {1, 4, 3, 2, 1, 8, 7, 6, 5};
1285 if (rt->stereo_mode & PR_STEREO_MIRROR) orientation = mirror[orientation];
1286 if (rt->stereo_mode & PR_STEREO_FLIP) orientation = flip[orientation];
1291 static void rt_tile_render(RendererTiles *rt, ImageTile *it,
1292 gint x, gint y, gint w, gint h,
1293 gboolean new_data, gboolean fast)
1295 PixbufRenderer *pr = rt->pr;
1298 gboolean draw = FALSE;
1299 gint orientation = rt_get_orientation(rt);
1301 if (it->render_todo == TILE_RENDER_NONE && it->pixmap && !new_data) return;
1303 if (it->render_done != TILE_RENDER_ALL)
1309 if (!fast) it->render_done = TILE_RENDER_ALL;
1311 else if (it->render_todo != TILE_RENDER_AREA)
1313 if (!fast) it->render_todo = TILE_RENDER_NONE;
1317 if (!fast) it->render_todo = TILE_RENDER_NONE;
1319 if (new_data) it->blank = FALSE;
1321 rt_tile_prepare(rt, it);
1322 has_alpha = (pr->pixbuf && gdk_pixbuf_get_has_alpha(pr->pixbuf));
1324 box = GTK_WIDGET(pr);
1326 /* FIXME checker colors for alpha should be configurable,
1327 * also should be drawn for blank = TRUE
1332 /* no data, do fast rect fill */
1333 gdk_draw_rectangle(it->pixmap, box->style->black_gc, TRUE,
1334 0, 0, it->w, it->h);
1336 else if (pr->source_tiles_enabled)
1338 draw = rt_source_tile_render(rt, it, x, y, w, h, new_data, fast);
1340 else if ((pr->zoom == 1.0 || pr->scale == 1.0) &&
1341 pr->aspect_ratio == 1.0 &&
1343 orientation == EXIF_ORIENTATION_TOP_LEFT &&
1344 !(pr->func_post_process && !(pr->post_process_slow && fast)) &&
1345 !(rt->stereo_mode & PR_STEREO_ANAGLYPH))
1347 /* special case: faster, simple, scale 1.0, base orientation, no postprocessing */
1348 gdk_draw_pixbuf(it->pixmap,
1349 #if GTK_CHECK_VERSION(2,20,0)
1350 box->style->fg_gc[gtk_widget_get_state(box)],
1352 box->style->fg_gc[GTK_WIDGET_STATE(box)],
1355 it->x + x + GET_RIGHT_PIXBUF_OFFSET(rt), it->y + y,
1358 pr->dither_quality, it->x + x, it->y + y);
1362 gdouble scale_x, scale_y;
1363 gdouble src_x, src_y;
1367 if (pr->image_width == 0 || pr->image_height == 0) return;
1369 scale_x = (gdouble)pr->width / pr->image_width;
1370 scale_y = (gdouble)pr->height / pr->image_height;
1372 pr_tile_coords_map_orientation(orientation, it->x, it->y,
1373 pr->width, pr->height,
1374 rt->tile_width, rt->tile_height,
1376 pr_tile_region_map_orientation(orientation, x, y,
1377 rt->tile_width, rt->tile_height,
1382 switch (orientation)
1385 case EXIF_ORIENTATION_LEFT_TOP:
1386 case EXIF_ORIENTATION_RIGHT_TOP:
1387 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1388 case EXIF_ORIENTATION_LEFT_BOTTOM:
1398 /* HACK: The pixbuf scalers get kinda buggy(crash) with extremely
1399 * small sizes for anything but GDK_INTERP_NEAREST
1401 if (pr->width < PR_MIN_SCALE_SIZE || pr->height < PR_MIN_SCALE_SIZE) fast = TRUE;
1403 rt_tile_get_region(has_alpha,
1404 pr->pixbuf, it->pixbuf, pb_x, pb_y, pb_w, pb_h,
1405 (gdouble) 0.0 - src_x - GET_RIGHT_PIXBUF_OFFSET(rt) * scale_x,
1406 (gdouble) 0.0 - src_y,
1408 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1409 it->x + pb_x, it->y + pb_y);
1410 if (rt->stereo_mode & PR_STEREO_ANAGLYPH &&
1411 (pr->stereo_pixbuf_offset_right > 0 || pr->stereo_pixbuf_offset_left > 0))
1413 GdkPixbuf *right_pb = rt_get_spare_tile(rt);
1414 rt_tile_get_region(has_alpha,
1415 pr->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h,
1416 (gdouble) 0.0 - src_x - GET_LEFT_PIXBUF_OFFSET(rt) * scale_x,
1417 (gdouble) 0.0 - src_y,
1419 (fast) ? GDK_INTERP_NEAREST : pr->zoom_quality,
1420 it->x + pb_x, it->y + pb_y);
1421 pr_create_anaglyph(rt->stereo_mode, it->pixbuf, right_pb, pb_x, pb_y, pb_w, pb_h);
1422 /* do not care about freeing spare_tile, it will be reused */
1424 rt_tile_apply_orientation(rt, orientation, &it->pixbuf, pb_x, pb_y, pb_w, pb_h);
1428 if (draw && it->pixbuf && !it->blank)
1431 if (pr->func_post_process && !(pr->post_process_slow && fast))
1432 pr->func_post_process(pr, &it->pixbuf, x, y, w, h, pr->post_process_user_data);
1434 gdk_draw_pixbuf(it->pixmap,
1435 #if GTK_CHECK_VERSION(2,20,0)
1436 box->style->fg_gc[gtk_widget_get_state(box)],
1438 box->style->fg_gc[GTK_WIDGET_STATE(box)],
1444 pr->dither_quality, it->x + x, it->y + y);
1448 /* enable this line for debugging the edges of tiles */
1449 gdk_draw_rectangle(it->pixmap, box->style->white_gc,
1450 FALSE, 0, 0, it->w, it->h);
1451 gdk_draw_rectangle(it->pixmap, box->style->white_gc,
1457 static void rt_tile_expose(RendererTiles *rt, ImageTile *it,
1458 gint x, gint y, gint w, gint h,
1459 gboolean new_data, gboolean fast)
1461 PixbufRenderer *pr = rt->pr;
1464 /* clamp to visible */
1465 if (it->x + x < rt->x_scroll)
1467 w -= rt->x_scroll - it->x - x;
1468 x = rt->x_scroll - it->x;
1470 if (it->x + x + w > rt->x_scroll + pr->vis_width)
1472 w = rt->x_scroll + pr->vis_width - it->x - x;
1475 if (it->y + y < rt->y_scroll)
1477 h -= rt->y_scroll - it->y - y;
1478 y = rt->y_scroll - it->y;
1480 if (it->y + y + h > rt->y_scroll + pr->vis_height)
1482 h = rt->y_scroll + pr->vis_height - it->y - y;
1486 rt_tile_render(rt, it, x, y, w, h, new_data, fast);
1488 box = GTK_WIDGET(pr);
1490 #if GTK_CHECK_VERSION(2,20,0)
1491 gdk_draw_drawable(box->window, box->style->fg_gc[gtk_widget_get_state(box)],
1493 gdk_draw_drawable(box->window, box->style->fg_gc[GTK_WIDGET_STATE(box)],
1496 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);
1498 if (rt->overlay_list)
1500 rt_overlay_draw(rt, pr->x_offset + (it->x - rt->x_scroll) + x,
1501 pr->y_offset + (it->y - rt->y_scroll) + y,
1508 static gboolean rt_tile_is_visible(RendererTiles *rt, ImageTile *it)
1510 PixbufRenderer *pr = rt->pr;
1511 return (it->x + it->w >= rt->x_scroll && it->x < rt->x_scroll + pr->vis_width &&
1512 it->y + it->h >= rt->y_scroll && it->y < rt->y_scroll + pr->vis_height);
1516 *-------------------------------------------------------------------
1518 *-------------------------------------------------------------------
1521 static gint rt_get_queued_area(GList *work)
1527 QueueData *qd = work->data;
1528 area += qd->w * qd->h;
1535 static gboolean rt_queue_schedule_next_draw(RendererTiles *rt, gboolean force_set)
1537 PixbufRenderer *pr = rt->pr;
1539 gint visible_area = pr->vis_width * pr->vis_height;
1544 DEBUG_2("redraw priority: 2pass");
1545 rt->draw_idle_id = g_idle_add_full(G_PRIORITY_DEFAULT_IDLE, rt_queue_draw_idle_cb, rt, NULL);
1549 if (visible_area == 0)
1556 percent = 100.0 * rt_get_queued_area(rt->draw_queue) / visible_area;
1561 /* we have enough data for starting intensive redrawing */
1562 DEBUG_2("redraw priority: high %.2f %%", percent);
1563 rt->draw_idle_id = g_idle_add_full(GDK_PRIORITY_REDRAW, rt_queue_draw_idle_cb, rt, NULL);
1567 if (percent < 1.0 || force_set)
1569 /* queue is (almost) empty, wait 50 ms*/
1570 DEBUG_2("redraw priority: wait %.2f %%", percent);
1571 rt->draw_idle_id = g_timeout_add_full(G_PRIORITY_DEFAULT_IDLE, 50, rt_queue_draw_idle_cb, rt, NULL);
1575 /* keep the same priority as before */
1576 DEBUG_2("redraw priority: no change %.2f %%", percent);
1581 static gboolean rt_queue_draw_idle_cb(gpointer data)
1583 RendererTiles *rt = data;
1584 PixbufRenderer *pr = rt->pr;
1589 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
1590 (!rt->draw_queue && !rt->draw_queue_2pass) ||
1593 pr_render_complete_signal(pr);
1595 rt->draw_idle_id = 0;
1601 qd = rt->draw_queue->data;
1602 fast = (pr->zoom_2pass && ((pr->zoom_quality != GDK_INTERP_NEAREST && pr->scale != 1.0) || pr->post_process_slow));
1608 /* still loading, wait till done (also drops the higher priority) */
1610 return rt_queue_schedule_next_draw(rt, FALSE);
1613 qd = rt->draw_queue_2pass->data;
1617 #if GTK_CHECK_VERSION(2,20,0)
1618 if (gtk_widget_get_realized(pr))
1620 if (GTK_WIDGET_REALIZED(pr))
1623 if (rt_tile_is_visible(rt, qd->it))
1625 rt_tile_expose(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1627 else if (qd->new_data)
1629 /* if new pixel data, and we already have a pixmap, update the tile */
1630 qd->it->blank = FALSE;
1631 if (qd->it->pixmap && qd->it->render_done == TILE_RENDER_ALL)
1633 rt_tile_render(rt, qd->it, qd->x, qd->y, qd->w, qd->h, qd->new_data, fast);
1641 rt->draw_queue = g_list_remove(rt->draw_queue, qd);
1646 rt_queue_merge(qd->it->qd2, qd);
1652 rt->draw_queue_2pass = g_list_append(rt->draw_queue_2pass, qd);
1663 rt->draw_queue_2pass = g_list_remove(rt->draw_queue_2pass, qd);
1667 if (!rt->draw_queue && !rt->draw_queue_2pass)
1669 pr_render_complete_signal(pr);
1671 rt->draw_idle_id = 0;
1675 return rt_queue_schedule_next_draw(rt, FALSE);
1678 static void rt_queue_list_free(GList *list)
1698 static void rt_queue_clear(RendererTiles *rt)
1700 rt_queue_list_free(rt->draw_queue);
1701 rt->draw_queue = NULL;
1703 rt_queue_list_free(rt->draw_queue_2pass);
1704 rt->draw_queue_2pass = NULL;
1706 if (rt->draw_idle_id)
1708 g_source_remove(rt->draw_idle_id);
1709 rt->draw_idle_id = 0;
1714 static void rt_queue_merge(QueueData *parent, QueueData *qd)
1716 if (parent->x + parent->w < qd->x + qd->w)
1718 parent->w += (qd->x + qd->w) - (parent->x + parent->w);
1720 if (parent->x > qd->x)
1722 parent->w += parent->x - qd->x;
1726 if (parent->y + parent->h < qd->y + qd->h)
1728 parent->h += (qd->y + qd->h) - (parent->y + parent->h);
1730 if (parent->y > qd->y)
1732 parent->h += parent->y - qd->y;
1736 parent->new_data |= qd->new_data;
1739 static gboolean rt_clamp_to_visible(RendererTiles *rt, gint *x, gint *y, gint *w, gint *h)
1741 PixbufRenderer *pr = rt->pr;
1748 vh = pr->vis_height;
1753 if (*x + *w < vx || *x > vx + vw || *y + *h < vy || *y > vy + vh) return FALSE;
1756 nx = CLAMP(*x, vx, vx + vw);
1757 nw = CLAMP(*w - (nx - *x), 1, vw);
1759 ny = CLAMP(*y, vy, vy + vh);
1760 nh = CLAMP(*h - (ny - *y), 1, vh);
1770 static gboolean rt_queue_to_tiles(RendererTiles *rt, gint x, gint y, gint w, gint h,
1771 gboolean clamp, ImageRenderType render,
1772 gboolean new_data, gboolean only_existing)
1774 PixbufRenderer *pr = rt->pr;
1779 if (clamp && !rt_clamp_to_visible(rt, &x, &y, &w, &h)) return FALSE;
1781 x1 = ROUND_DOWN(x, rt->tile_width);
1782 x2 = ROUND_UP(x + w, rt->tile_width);
1784 y1 = ROUND_DOWN(y, rt->tile_height);
1785 y2 = ROUND_UP(y + h, rt->tile_height);
1787 for (j = y1; j <= y2; j += rt->tile_height)
1789 for (i = x1; i <= x2; i += rt->tile_width)
1793 it = rt_tile_get(rt, i, j,
1795 (i + rt->tile_width < rt->x_scroll ||
1796 i > rt->x_scroll + pr->vis_width ||
1797 j + rt->tile_height < rt->y_scroll ||
1798 j > rt->y_scroll + pr->vis_height)));
1803 if ((render == TILE_RENDER_ALL && it->render_done != TILE_RENDER_ALL) ||
1804 (render == TILE_RENDER_AREA && it->render_todo != TILE_RENDER_ALL))
1806 it->render_todo = render;
1809 qd = g_new(QueueData, 1);
1811 qd->new_data = new_data;
1821 qd->w = x + w - i - qd->x;
1822 if (qd->x + qd->w > rt->tile_width) qd->w = rt->tile_width - qd->x;
1832 qd->h = y + h - j - qd->y;
1833 if (qd->y + qd->h > rt->tile_height) qd->h = rt->tile_height - qd->y;
1835 if (qd->w < 1 || qd->h < 1)
1841 rt_queue_merge(it->qd, qd);
1847 rt->draw_queue = g_list_append(rt->draw_queue, qd);
1856 static void rt_queue(RendererTiles *rt, gint x, gint y, gint w, gint h,
1857 gboolean clamp, ImageRenderType render,
1858 gboolean new_data, gboolean only_existing)
1860 PixbufRenderer *pr = rt->pr;
1865 nx = CLAMP(x, 0, pr->width - 1);
1866 ny = CLAMP(y, 0, pr->height - 1);
1869 w = CLAMP(w, 0, pr->width - nx);
1870 h = CLAMP(h, 0, pr->height - ny);
1871 if (w < 1 || h < 1) return;
1873 if (rt_queue_to_tiles(rt, nx, ny, w, h, clamp, render, new_data, only_existing) &&
1874 ((!rt->draw_queue && !rt->draw_queue_2pass) || !rt->draw_idle_id))
1876 if (rt->draw_idle_id)
1878 g_source_remove(rt->draw_idle_id);
1879 rt->draw_idle_id = 0;
1881 rt_queue_schedule_next_draw(rt, TRUE);
1885 static void rt_scroll(RendererTiles *rt, gint x_off, gint y_off)
1887 PixbufRenderer *pr = rt->pr;
1890 if (rt->stereo_mode & PR_STEREO_MIRROR) x_off = -x_off;
1891 if (rt->stereo_mode & PR_STEREO_FLIP) y_off = -y_off;
1893 gint w = pr->vis_width - abs(x_off);
1894 gint h = pr->vis_height - abs(y_off);
1898 /* scrolled completely to new material */
1899 rt_queue(rt, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1932 box = GTK_WIDGET(pr);
1934 gc = gdk_gc_new(box->window);
1935 gdk_gc_set_exposures(gc, TRUE);
1936 gdk_draw_drawable(box->window, gc,
1938 x2 + pr->x_offset + rt->stereo_off_x, y2 + pr->y_offset + rt->stereo_off_y,
1939 x1 + pr->x_offset + rt->stereo_off_x, y1 + pr->y_offset + rt->stereo_off_y, w, h);
1942 rt_overlay_queue_all(rt, x2, y2, x1, y1);
1944 w = pr->vis_width - w;
1945 h = pr->vis_height - h;
1950 x_off > 0 ? rt->x_scroll + (pr->vis_width - w) : rt->x_scroll, rt->y_scroll,
1951 w, pr->vis_height, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1955 /* FIXME, to optimize this, remove overlap */
1957 rt->x_scroll, y_off > 0 ? rt->y_scroll + (pr->vis_height - h) : rt->y_scroll,
1958 pr->vis_width, h, TRUE, TILE_RENDER_ALL, FALSE, FALSE);
1961 /* process exposures here, "expose_event" seems to miss a few with obstructed windows */
1962 #if ! GTK_CHECK_VERSION(2,18,0)
1963 while ((event = gdk_event_get_graphics_expose(box->window)) != NULL)
1965 renderer_redraw((void *) rt, event->expose.area.x, event->expose.area.y, event->expose.area.width, event->expose.area.height,
1966 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1968 if (event->expose.count == 0)
1970 gdk_event_free(event);
1973 gdk_event_free(event);
1979 static void renderer_area_changed(void *renderer, gint src_x, gint src_y, gint src_w, gint src_h)
1981 RendererTiles *rt = (RendererTiles *)renderer;
1982 PixbufRenderer *pr = rt->pr;
1983 gint x, y, width, height, x1, y1, x2, y2;
1985 gint orientation = rt_get_orientation(rt);
1986 pr_coords_map_orientation_reverse(orientation,
1987 src_x - GET_RIGHT_PIXBUF_OFFSET(rt), src_y,
1988 pr->image_width, pr->image_height,
1993 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
1995 /* increase region when using a zoom quality that may access surrounding pixels */
2000 x1 = (gint)floor((gdouble)x * pr->scale);
2001 y1 = (gint)floor((gdouble)y * pr->scale * pr->aspect_ratio);
2002 x2 = (gint)ceil((gdouble)(x + width) * pr->scale);
2003 y2 = (gint)ceil((gdouble)(y + height) * pr->scale * pr->aspect_ratio);
2005 rt_queue(rt, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2008 static void renderer_redraw(void *renderer, gint x, gint y, gint w, gint h,
2009 gint clamp, ImageRenderType render, gboolean new_data, gboolean only_existing)
2011 RendererTiles *rt = (RendererTiles *)renderer;
2012 PixbufRenderer *pr = rt->pr;
2014 x -= rt->stereo_off_x;
2015 y -= rt->stereo_off_y;
2017 rt_border_draw(rt, x, y, w, h);
2019 x = MAX(0, x - pr->x_offset + pr->x_scroll);
2020 y = MAX(0, y - pr->y_offset + pr->y_scroll);
2024 MIN(w, pr->width - x),
2025 MIN(h, pr->height - y),
2026 clamp, render, new_data, only_existing);
2029 static void renderer_queue_clear(void *renderer)
2031 rt_queue_clear((RendererTiles *)renderer);
2034 static void renderer_border_clear(void *renderer)
2036 rt_border_clear((RendererTiles *)renderer);
2040 static void renderer_invalidate_all(void *renderer)
2042 rt_tile_invalidate_all((RendererTiles *)renderer);
2045 static void renderer_invalidate_region(void *renderer, gint x, gint y, gint w, gint h)
2047 rt_tile_invalidate_region((RendererTiles *)renderer, x, y, w, h);
2050 static void renderer_overlay_draw(void *renderer, gint x, gint y, gint w, gint h)
2052 rt_overlay_draw((RendererTiles *)renderer, x, y, w, h, NULL);
2055 static void renderer_update_sizes(void *renderer)
2057 RendererTiles *rt = (RendererTiles *)renderer;
2059 rt->stereo_off_x = 0;
2060 rt->stereo_off_y = 0;
2062 if (rt->stereo_mode & PR_STEREO_RIGHT)
2064 if (rt->stereo_mode & PR_STEREO_HORIZ)
2066 rt->stereo_off_x = rt->pr->viewport_width;
2068 else if (rt->stereo_mode & PR_STEREO_VERT)
2070 rt->stereo_off_y = rt->pr->viewport_height;
2072 else if (rt->stereo_mode & PR_STEREO_FIXED)
2074 rt->stereo_off_x = rt->pr->stereo_fixed_x_right;
2075 rt->stereo_off_y = rt->pr->stereo_fixed_y_right;
2080 if (rt->stereo_mode & PR_STEREO_FIXED)
2082 rt->stereo_off_x = rt->pr->stereo_fixed_x_left;
2083 rt->stereo_off_y = rt->pr->stereo_fixed_y_left;
2086 DEBUG_1("update size: %p %d %d %d %d", rt, rt->stereo_off_x, rt->stereo_off_y, rt->pr->viewport_width, rt->pr->viewport_height);
2088 rt_overlay_update_sizes(rt);
2091 static void renderer_stereo_set(void *renderer, gint stereo_mode)
2093 RendererTiles *rt = (RendererTiles *)renderer;
2095 rt->stereo_mode = stereo_mode;
2098 static void renderer_free(void *renderer)
2100 RendererTiles *rt = (RendererTiles *)renderer;
2102 rt_tile_free_all(rt);
2103 if (rt->spare_tile) g_object_unref(rt->spare_tile);
2104 if (rt->overlay_buffer) g_object_unref(rt->overlay_buffer);
2105 rt_overlay_list_clear(rt);
2106 /* disconnect "hierarchy-changed" */
2107 g_signal_handlers_disconnect_matched(G_OBJECT(rt->pr), G_SIGNAL_MATCH_DATA,
2112 RendererFuncs *renderer_tiles_new(PixbufRenderer *pr)
2114 RendererTiles *rt = g_new0(RendererTiles, 1);
2118 rt->f.redraw = renderer_redraw;
2119 rt->f.area_changed = renderer_area_changed;
2120 rt->f.queue_clear = renderer_queue_clear;
2121 rt->f.border_clear = renderer_border_clear;
2122 rt->f.free = renderer_free;
2123 rt->f.invalidate_all = renderer_invalidate_all;
2124 rt->f.invalidate_region = renderer_invalidate_region;
2125 rt->f.scroll = rt_scroll;
2126 rt->f.update_sizes = renderer_update_sizes;
2129 rt->f.overlay_add = renderer_tiles_overlay_add;
2130 rt->f.overlay_set = renderer_tiles_overlay_set;
2131 rt->f.overlay_get = renderer_tiles_overlay_get;
2132 rt->f.overlay_draw = renderer_overlay_draw;
2134 rt->f.stereo_set = renderer_stereo_set;
2136 rt->tile_width = PR_TILE_SIZE;
2137 rt->tile_height = PR_TILE_SIZE;
2140 rt->tile_cache_size = 0;
2142 rt->tile_cache_max = PR_CACHE_SIZE_DEFAULT;
2144 rt->draw_idle_id = 0;
2146 rt->stereo_mode = 0;
2147 rt->stereo_off_x = 0;
2148 rt->stereo_off_y = 0;
2150 g_signal_connect(G_OBJECT(pr), "hierarchy-changed",
2151 G_CALLBACK(rt_hierarchy_changed_cb), rt);
2153 return (RendererFuncs *) rt;
2157 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */