2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "pixbuf-renderer.h"
29 #include "renderer-tiles.h"
30 #include "renderer-clutter.h"
37 /* comment this out if not using this from within Geeqie
38 * defining GQ_BUILD does these things:
39 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
45 #include "pixbuf_util.h"
49 EXIF_ORIENTATION_UNKNOWN = 0,
50 EXIF_ORIENTATION_TOP_LEFT = 1,
51 EXIF_ORIENTATION_TOP_RIGHT = 2,
52 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
53 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
54 EXIF_ORIENTATION_LEFT_TOP = 5,
55 EXIF_ORIENTATION_RIGHT_TOP = 6,
56 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
57 EXIF_ORIENTATION_LEFT_BOTTOM = 8
58 } ExifOrientationType;
62 /* default min and max zoom */
63 #define PR_ZOOM_MIN -32.0
64 #define PR_ZOOM_MAX 32.0
66 /* distance to drag mouse to disable image flip */
67 #define PR_DRAG_SCROLL_THRESHHOLD 4
69 /* increase pan rate when holding down shift */
70 #define PR_PAN_SHIFT_MULTIPLIER 6
73 #define PR_SCROLLER_UPDATES_PER_SEC 30
74 #define PR_SCROLLER_DEAD_ZONE 6
76 /* when scaling image to below this size, use nearest pixel for scaling
77 * (below about 4, the other scale types become slow generating their conversion tables)
79 #define PR_MIN_SCALE_SIZE 8
85 SIGNAL_RENDER_COMPLETE,
102 PROP_CACHE_SIZE_DISPLAY,
103 PROP_CACHE_SIZE_TILES,
106 PROP_WINDOW_LIMIT_VALUE,
108 PROP_AUTOFIT_LIMIT_VALUE,
109 PROP_ENLARGEMENT_LIMIT_VALUE
114 PR_ZOOM_FORCE = 1 << 0,
115 PR_ZOOM_NEW = 1 << 1,
116 PR_ZOOM_CENTER = 1 << 2,
117 PR_ZOOM_INVALIDATE = 1 << 3,
118 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
121 static guint signals[SIGNAL_COUNT] = { 0 };
122 static GtkEventBoxClass *parent_class = NULL;
126 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
127 static void pixbuf_renderer_init(PixbufRenderer *pr);
128 static void pixbuf_renderer_finalize(GObject *object);
129 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
130 const GValue *value, GParamSpec *pspec);
131 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
132 GValue *value, GParamSpec *pspec);
133 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
136 static void pr_source_tile_free_all(PixbufRenderer *pr);
138 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
139 PrZoomFlags flags, gint px, gint py);
141 static void pr_signals_connect(PixbufRenderer *pr);
142 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
143 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
147 *-------------------------------------------------------------------
148 * Pixbuf Renderer object
149 *-------------------------------------------------------------------
152 static void pixbuf_renderer_class_init_wrapper(void *g_class, void *class_data)
154 pixbuf_renderer_class_init(g_class);
157 static void pixbuf_renderer_init_wrapper(PixbufRenderer *pr, void *class_data)
159 pixbuf_renderer_init(pr);
162 GType pixbuf_renderer_get_type(void)
164 static GType pixbuf_renderer_type = 0;
166 if (!pixbuf_renderer_type)
168 static const GTypeInfo pixbuf_renderer_info =
170 sizeof(PixbufRendererClass), /* class_size */
171 NULL, /* base_init */
172 NULL, /* base_finalize */
173 (GClassInitFunc)pixbuf_renderer_class_init_wrapper,
174 NULL, /* class_finalize */
175 NULL, /* class_data */
176 sizeof(PixbufRenderer), /* instance_size */
178 (GInstanceInitFunc)pixbuf_renderer_init_wrapper, /* instance_init */
179 NULL, /* value_table */
182 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
183 &pixbuf_renderer_info, 0);
186 return pixbuf_renderer_type;
189 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
191 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
193 parent_class = g_type_class_peek_parent(class);
195 gobject_class->set_property = pixbuf_renderer_set_property;
196 gobject_class->get_property = pixbuf_renderer_get_property;
198 gobject_class->finalize = pixbuf_renderer_finalize;
200 g_object_class_install_property(gobject_class,
202 g_param_spec_double("zoom_min",
208 G_PARAM_READABLE | G_PARAM_WRITABLE));
210 g_object_class_install_property(gobject_class,
212 g_param_spec_double("zoom_max",
218 G_PARAM_READABLE | G_PARAM_WRITABLE));
220 g_object_class_install_property(gobject_class,
222 g_param_spec_uint("zoom_quality",
228 G_PARAM_READABLE | G_PARAM_WRITABLE));
230 g_object_class_install_property(gobject_class,
232 g_param_spec_boolean("zoom_2pass",
236 G_PARAM_READABLE | G_PARAM_WRITABLE));
238 g_object_class_install_property(gobject_class,
240 g_param_spec_boolean("zoom_expand",
241 "Expand image in autozoom.",
244 G_PARAM_READABLE | G_PARAM_WRITABLE));
245 g_object_class_install_property(gobject_class,
247 g_param_spec_uint("scroll_reset",
248 "New image scroll reset",
250 PR_SCROLL_RESET_TOPLEFT,
251 PR_SCROLL_RESET_NOCHANGE,
252 PR_SCROLL_RESET_TOPLEFT,
253 G_PARAM_READABLE | G_PARAM_WRITABLE));
255 g_object_class_install_property(gobject_class,
257 g_param_spec_boolean("delay_flip",
258 "Delay image update",
261 G_PARAM_READABLE | G_PARAM_WRITABLE));
263 g_object_class_install_property(gobject_class,
265 g_param_spec_boolean("loading",
266 "Image actively loading",
269 G_PARAM_READABLE | G_PARAM_WRITABLE));
271 g_object_class_install_property(gobject_class,
273 g_param_spec_boolean("complete",
274 "Image rendering complete",
277 G_PARAM_READABLE | G_PARAM_WRITABLE));
279 g_object_class_install_property(gobject_class,
280 PROP_CACHE_SIZE_DISPLAY,
281 g_param_spec_uint("cache_display",
282 "Display cache size MiB",
286 PR_CACHE_SIZE_DEFAULT,
287 G_PARAM_READABLE | G_PARAM_WRITABLE));
289 g_object_class_install_property(gobject_class,
290 PROP_CACHE_SIZE_TILES,
291 g_param_spec_uint("cache_tiles",
293 "Number of tiles to retain in memory at any one time.",
296 PR_CACHE_SIZE_DEFAULT,
297 G_PARAM_READABLE | G_PARAM_WRITABLE));
299 g_object_class_install_property(gobject_class,
301 g_param_spec_boolean("window_fit",
302 "Fit window to image size",
305 G_PARAM_READABLE | G_PARAM_WRITABLE));
307 g_object_class_install_property(gobject_class,
309 g_param_spec_boolean("window_limit",
310 "Limit size of parent window",
313 G_PARAM_READABLE | G_PARAM_WRITABLE));
315 g_object_class_install_property(gobject_class,
316 PROP_WINDOW_LIMIT_VALUE,
317 g_param_spec_uint("window_limit_value",
318 "Size limit of parent window",
323 G_PARAM_READABLE | G_PARAM_WRITABLE));
325 g_object_class_install_property(gobject_class,
327 g_param_spec_boolean("autofit_limit",
328 "Limit size of image when autofitting",
331 G_PARAM_READABLE | G_PARAM_WRITABLE));
333 g_object_class_install_property(gobject_class,
334 PROP_AUTOFIT_LIMIT_VALUE,
335 g_param_spec_uint("autofit_limit_value",
336 "Size limit of image when autofitting",
341 G_PARAM_READABLE | G_PARAM_WRITABLE));
343 g_object_class_install_property(gobject_class,
344 PROP_ENLARGEMENT_LIMIT_VALUE,
345 g_param_spec_uint("enlargement_limit_value",
346 "Size increase limit of image when autofitting",
351 G_PARAM_READABLE | G_PARAM_WRITABLE));
354 signals[SIGNAL_ZOOM] =
356 G_OBJECT_CLASS_TYPE(gobject_class),
358 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
360 g_cclosure_marshal_VOID__DOUBLE,
364 signals[SIGNAL_CLICKED] =
365 g_signal_new("clicked",
366 G_OBJECT_CLASS_TYPE(gobject_class),
368 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
370 g_cclosure_marshal_VOID__BOXED,
374 signals[SIGNAL_SCROLL_NOTIFY] =
375 g_signal_new("scroll-notify",
376 G_OBJECT_CLASS_TYPE(gobject_class),
378 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
380 g_cclosure_marshal_VOID__VOID,
383 signals[SIGNAL_RENDER_COMPLETE] =
384 g_signal_new("render-complete",
385 G_OBJECT_CLASS_TYPE(gobject_class),
387 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
389 g_cclosure_marshal_VOID__VOID,
392 signals[SIGNAL_DRAG] =
394 G_OBJECT_CLASS_TYPE(gobject_class),
396 G_STRUCT_OFFSET(PixbufRendererClass, drag),
398 g_cclosure_marshal_VOID__BOXED,
402 signals[SIGNAL_UPDATE_PIXEL] =
403 g_signal_new("update-pixel",
404 G_OBJECT_CLASS_TYPE(gobject_class),
406 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
408 g_cclosure_marshal_VOID__VOID,
412 static RendererFuncs *pr_backend_renderer_new(PixbufRenderer *pr)
414 if (options->image.use_clutter_renderer && !options->disable_gpu)
417 return renderer_clutter_new(pr);
419 log_printf("Warning: Geeqie is built without clutter renderer support");
422 return renderer_tiles_new(pr);
426 static void pixbuf_renderer_init(PixbufRenderer *pr)
430 box = GTK_WIDGET(pr);
432 pr->zoom_min = PR_ZOOM_MIN;
433 pr->zoom_max = PR_ZOOM_MAX;
434 pr->zoom_quality = GDK_INTERP_BILINEAR;
435 pr->zoom_2pass = FALSE;
439 pr->aspect_ratio = 1.0;
441 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
444 pr->scroller_overlay = -1;
449 pr->source_tiles_enabled = FALSE;
450 pr->source_tiles = NULL;
454 pr->norm_center_x = 0.5;
455 pr->norm_center_y = 0.5;
457 pr->stereo_mode = PR_STEREO_NONE;
463 pr->renderer = pr_backend_renderer_new(pr);
465 pr->renderer2 = NULL;
467 gtk_widget_set_double_buffered(box, FALSE);
468 gtk_widget_set_app_paintable(box, TRUE);
469 g_signal_connect_after(G_OBJECT(box), "size_allocate",
470 G_CALLBACK(pr_size_cb), pr);
472 pr_signals_connect(pr);
475 static void pixbuf_renderer_finalize(GObject *object)
479 pr = PIXBUF_RENDERER(object);
481 pr->renderer->free(pr->renderer);
482 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
485 if (pr->pixbuf) g_object_unref(pr->pixbuf);
487 pr_scroller_timer_set(pr, FALSE);
489 pr_source_tile_free_all(pr);
492 PixbufRenderer *pixbuf_renderer_new(void)
494 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
497 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
498 const GValue *value, GParamSpec *pspec)
502 pr = PIXBUF_RENDERER(object);
507 pr->zoom_min = g_value_get_double(value);
510 pr->zoom_max = g_value_get_double(value);
512 case PROP_ZOOM_QUALITY:
513 pr->zoom_quality = g_value_get_uint(value);
515 case PROP_ZOOM_2PASS:
516 pr->zoom_2pass = g_value_get_boolean(value);
518 case PROP_ZOOM_EXPAND:
519 pr->zoom_expand = g_value_get_boolean(value);
521 case PROP_SCROLL_RESET:
522 pr->scroll_reset = g_value_get_uint(value);
524 case PROP_DELAY_FLIP:
525 pr->delay_flip = g_value_get_boolean(value);
528 pr->loading = g_value_get_boolean(value);
531 pr->complete = g_value_get_boolean(value);
533 case PROP_CACHE_SIZE_DISPLAY:
534 // pr->tile_cache_max = g_value_get_uint(value);
536 case PROP_CACHE_SIZE_TILES:
537 pr->source_tiles_cache_size = g_value_get_uint(value);
539 case PROP_WINDOW_FIT:
540 pr->window_fit = g_value_get_boolean(value);
542 case PROP_WINDOW_LIMIT:
543 pr->window_limit = g_value_get_boolean(value);
545 case PROP_WINDOW_LIMIT_VALUE:
546 pr->window_limit_size = g_value_get_uint(value);
548 case PROP_AUTOFIT_LIMIT:
549 pr->autofit_limit = g_value_get_boolean(value);
551 case PROP_AUTOFIT_LIMIT_VALUE:
552 pr->autofit_limit_size = g_value_get_uint(value);
554 case PROP_ENLARGEMENT_LIMIT_VALUE:
555 pr->enlargement_limit_size = g_value_get_uint(value);
558 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
563 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
564 GValue *value, GParamSpec *pspec)
568 pr = PIXBUF_RENDERER(object);
573 g_value_set_double(value, pr->zoom_min);
576 g_value_set_double(value, pr->zoom_max);
578 case PROP_ZOOM_QUALITY:
579 g_value_set_uint(value, pr->zoom_quality);
581 case PROP_ZOOM_2PASS:
582 g_value_set_boolean(value, pr->zoom_2pass);
584 case PROP_ZOOM_EXPAND:
585 g_value_set_boolean(value, pr->zoom_expand);
587 case PROP_SCROLL_RESET:
588 g_value_set_uint(value, pr->scroll_reset);
590 case PROP_DELAY_FLIP:
591 g_value_set_boolean(value, pr->delay_flip);
594 g_value_set_boolean(value, pr->loading);
597 g_value_set_boolean(value, pr->complete);
599 case PROP_CACHE_SIZE_DISPLAY:
600 // g_value_set_uint(value, pr->tile_cache_max);
602 case PROP_CACHE_SIZE_TILES:
603 g_value_set_uint(value, pr->source_tiles_cache_size);
605 case PROP_WINDOW_FIT:
606 g_value_set_boolean(value, pr->window_fit);
608 case PROP_WINDOW_LIMIT:
609 g_value_set_boolean(value, pr->window_limit);
611 case PROP_WINDOW_LIMIT_VALUE:
612 g_value_set_uint(value, pr->window_limit_size);
614 case PROP_AUTOFIT_LIMIT:
615 g_value_set_boolean(value, pr->autofit_limit);
617 case PROP_AUTOFIT_LIMIT_VALUE:
618 g_value_set_uint(value, pr->autofit_limit_size);
620 case PROP_ENLARGEMENT_LIMIT_VALUE:
621 g_value_set_uint(value, pr->enlargement_limit_size);
624 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
631 *-------------------------------------------------------------------
633 *-------------------------------------------------------------------
636 static void widget_set_cursor(GtkWidget *widget, gint icon)
640 if (!gtk_widget_get_window(widget)) return;
648 cursor = gdk_cursor_new(icon);
651 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
653 if (cursor) gdk_cursor_unref(cursor);
656 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
657 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
658 gint *rx, gint *ry, gint *rw, gint *rh)
660 if (clip_x + clip_w <= x ||
662 clip_y + clip_h <= y ||
668 *rx = MAX(x, clip_x);
669 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
671 *ry = MAX(y, clip_y);
672 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
677 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
679 GdkWindowState state;
681 if (!pr->parent_window) return FALSE;
682 if (!pr->window_fit) return FALSE;
683 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
685 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
686 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
687 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
692 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
697 GtkAllocation widget_allocation;
698 GtkAllocation parent_allocation;
700 if (!pr_parent_window_sizable(pr)) return FALSE;
702 if (pr->window_limit)
704 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
705 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
711 widget = GTK_WIDGET(pr);
712 parent = GTK_WIDGET(pr->parent_window);
714 gtk_widget_get_allocation(widget, &widget_allocation);
715 gtk_widget_get_allocation(parent, &parent_allocation);
717 w += (parent_allocation.width - widget_allocation.width);
718 h += (parent_allocation.height - widget_allocation.height);
720 ww = gdk_window_get_width(gtk_widget_get_window(parent));
721 wh = gdk_window_get_height(gtk_widget_get_window(parent));
722 if (w == ww && h == wh) return FALSE;
724 gdk_window_resize(gtk_widget_get_window(parent), w, h);
729 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
731 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
732 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
734 pr->parent_window = GTK_WIDGET(window);
737 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
739 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
741 return GTK_WINDOW(pr->parent_window);
746 *-------------------------------------------------------------------
748 *-------------------------------------------------------------------
752 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
753 OverlayRendererFlags flags)
755 /* let's assume both renderers returns the same value */
756 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
757 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
760 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
762 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
763 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
766 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
768 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
769 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
772 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
774 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
775 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
779 *-------------------------------------------------------------------
781 *-------------------------------------------------------------------
785 static gboolean pr_scroller_update_cb(gpointer data)
787 PixbufRenderer *pr = data;
791 /* this was a simple scroll by difference between scroller and mouse position,
792 * but all this math results in a smoother result and accounts for a dead zone.
795 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
801 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
802 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
803 x += (x > 0) ? -shift : shift;
806 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
812 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
813 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
814 y += (y > 0) ? -shift : shift;
817 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
823 xinc = pr->scroller_xinc;
827 if (xinc < 0) xinc = 0;
828 if (x < xinc) xinc = x;
829 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
833 if (xinc > 0) xinc = 0;
834 if (x > xinc) xinc = x;
835 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
839 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
845 yinc = pr->scroller_yinc;
849 if (yinc < 0) yinc = 0;
850 if (y < yinc) yinc = y;
851 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
855 if (yinc > 0) yinc = 0;
856 if (y > yinc) yinc = y;
857 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
861 pr->scroller_xinc = xinc;
862 pr->scroller_yinc = yinc;
864 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
865 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
867 pixbuf_renderer_scroll(pr, xinc, yinc);
872 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
876 g_source_remove(pr->scroller_id);
882 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
883 pr_scroller_update_cb, pr);
887 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
889 if (pr->scroller_overlay == -1)
895 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
897 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
898 gdk_pixbuf_fill(pixbuf, 0x000000ff);
900 w = gdk_pixbuf_get_width(pixbuf);
901 h = gdk_pixbuf_get_height(pixbuf);
903 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
904 g_object_unref(pixbuf);
909 pr->scroller_xpos = x;
910 pr->scroller_ypos = y;
912 pr_scroller_timer_set(pr, TRUE);
915 static void pr_scroller_stop(PixbufRenderer *pr)
917 if (!pr->scroller_id) return;
919 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
920 pr->scroller_overlay = -1;
922 pr_scroller_timer_set(pr, FALSE);
926 *-------------------------------------------------------------------
928 *-------------------------------------------------------------------
931 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
933 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
937 pr->color.red = color->red;
938 pr->color.green = color->green;
939 pr->color.blue = color->blue;
948 pr->renderer->update_viewport(pr->renderer);
949 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
953 *-------------------------------------------------------------------
955 *-------------------------------------------------------------------
958 static void pr_source_tile_free(SourceTile *st)
962 if (st->pixbuf) g_object_unref(st->pixbuf);
966 static void pr_source_tile_free_all(PixbufRenderer *pr)
970 work = pr->source_tiles;
978 pr_source_tile_free(st);
981 g_list_free(pr->source_tiles);
982 pr->source_tiles = NULL;
985 static void pr_source_tile_unset(PixbufRenderer *pr)
987 pr_source_tile_free_all(pr);
988 pr->source_tiles_enabled = FALSE;
991 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
995 if (!st) return FALSE;
997 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
998 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
999 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
1000 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
1003 x2 = pr->x_scroll + pr->vis_width;
1004 y2 = pr->y_scroll + pr->vis_height;
1006 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
1007 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
1008 (gdouble)st->y * pr->scale > (gdouble)y2 ||
1009 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1012 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1014 SourceTile *st = NULL;
1017 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1019 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1021 count = g_list_length(pr->source_tiles);
1022 if (count >= pr->source_tiles_cache_size)
1026 work = g_list_last(pr->source_tiles);
1027 while (work && count >= pr->source_tiles_cache_size)
1031 needle = work->data;
1034 if (!pr_source_tile_visible(pr, needle))
1036 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1038 if (pr->func_tile_dispose)
1040 pr->func_tile_dispose(pr, needle->x, needle->y,
1041 pr->source_tile_width, pr->source_tile_height,
1042 needle->pixbuf, pr->func_tile_data);
1051 pr_source_tile_free(needle);
1061 st = g_new0(SourceTile, 1);
1062 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1063 pr->source_tile_width, pr->source_tile_height);
1066 st->x = ROUND_DOWN(x, pr->source_tile_width);
1067 st->y = ROUND_DOWN(y, pr->source_tile_height);
1070 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1075 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1079 st = pr_source_tile_new(pr, x, y);
1080 if (!st) return NULL;
1082 if (pr->func_tile_request &&
1083 pr->func_tile_request(pr, st->x, st->y,
1084 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1089 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1090 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1091 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1092 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1096 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1100 work = pr->source_tiles;
1103 SourceTile *st = work->data;
1105 if (x >= st->x && x < st->x + pr->source_tile_width &&
1106 y >= st->y && y < st->y + pr->source_tile_height)
1108 if (work != pr->source_tiles)
1110 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1111 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1122 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1130 if (w > pr->image_width) w = pr->image_width;
1131 if (h > pr->image_height) h = pr->image_height;
1133 sx = ROUND_DOWN(x, pr->source_tile_width);
1134 sy = ROUND_DOWN(y, pr->source_tile_height);
1136 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1138 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1142 st = pr_source_tile_find(pr, x1, y1);
1143 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1145 if (st) list = g_list_prepend(list, st);
1149 return g_list_reverse(list);
1152 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1156 if (width < 1 || height < 1) return;
1158 work = pr->source_tiles;
1162 gint rx, ry, rw, rh;
1167 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1168 x, y, width, height,
1169 &rx, &ry, &rw, &rh))
1173 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1174 if (pr->func_tile_request &&
1175 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1177 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1178 rw * pr->scale, rh * pr->scale);
1179 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1180 rw * pr->scale, rh * pr->scale);
1182 g_object_unref(pixbuf);
1187 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1188 gint tile_width, gint tile_height, gint cache_size,
1189 PixbufRendererTileRequestFunc func_request,
1190 PixbufRendererTileDisposeFunc func_dispose,
1194 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1195 g_return_if_fail(tile_width >= 32 && tile_height >= 32);
1196 g_return_if_fail(width >= 32 && height > 32);
1197 g_return_if_fail(func_request != NULL);
1199 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1202 pr_source_tile_unset(pr);
1204 if (cache_size < 4) cache_size = 4;
1206 pr->source_tiles_enabled = TRUE;
1207 pr->source_tiles_cache_size = cache_size;
1208 pr->source_tile_width = tile_width;
1209 pr->source_tile_height = tile_height;
1211 pr->image_width = width;
1212 pr->image_height = height;
1214 pr->func_tile_request = func_request;
1215 pr->func_tile_dispose = func_dispose;
1216 pr->func_tile_data = user_data;
1218 pr_stereo_temp_disable(pr, TRUE);
1219 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1222 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1224 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1225 g_return_if_fail(width >= 32 && height > 32);
1227 if (!pr->source_tiles_enabled) return;
1228 if (pr->image_width == width && pr->image_height == height) return;
1230 pr->image_width = width;
1231 pr->image_height = height;
1233 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1236 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1238 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1240 return pr->source_tiles_enabled;
1243 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1244 PrZoomFlags flags, gint x, gint y)
1246 gdouble zoom = pr->zoom;
1248 if (increment == 0.0) return;
1252 if (pr->scale < 1.0)
1254 zoom = 0.0 - 1.0 / pr->scale;
1262 if (increment < 0.0)
1266 if (zoom / -(increment - 1.0) < 1.0)
1268 zoom = 1.0 / (zoom / (increment - 1.0));
1272 zoom = zoom / -(increment - 1.0) ;
1277 zoom = zoom * -(increment - 1.0);
1284 if (zoom / (increment + 1.0) > -1.0)
1286 zoom = -(1.0 / (zoom / (increment + 1.0)));
1290 zoom = zoom / (increment + 1.0) ;
1295 zoom = zoom * (increment + 1.0);
1299 pr_zoom_sync(pr, zoom, flags, x, y);
1304 *-------------------------------------------------------------------
1306 *-------------------------------------------------------------------
1309 static void pr_update_signal(PixbufRenderer *pr)
1311 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1312 pr->debug_updated = TRUE;
1315 static void pr_zoom_signal(PixbufRenderer *pr)
1317 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1320 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1322 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1325 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1327 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1330 void pr_render_complete_signal(PixbufRenderer *pr)
1334 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1335 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1337 if (pr->debug_updated)
1339 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1340 pr->debug_updated = FALSE;
1344 static void pr_drag_signal(PixbufRenderer *pr, GdkEventMotion *event)
1346 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, event);
1349 static void pr_update_pixel_signal(PixbufRenderer *pr)
1351 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1355 *-------------------------------------------------------------------
1357 *-------------------------------------------------------------------
1361 void pr_tile_coords_map_orientation(gint orientation,
1362 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1363 gdouble image_w, gdouble image_h,
1364 gdouble tile_w, gdouble tile_h,
1365 gdouble *res_x, gdouble *res_y)
1369 switch (orientation)
1371 case EXIF_ORIENTATION_TOP_LEFT:
1372 /* normal -- nothing to do */
1374 case EXIF_ORIENTATION_TOP_RIGHT:
1376 *res_x = image_w - tile_x - tile_w;
1378 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1380 *res_x = image_w - tile_x - tile_w;
1381 *res_y = image_h - tile_y - tile_h;
1383 case EXIF_ORIENTATION_BOTTOM_LEFT:
1385 *res_y = image_h - tile_y - tile_h;
1387 case EXIF_ORIENTATION_LEFT_TOP:
1391 case EXIF_ORIENTATION_RIGHT_TOP:
1392 /* rotated -90 (270) */
1394 *res_y = image_w - tile_x - tile_w;
1396 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1397 *res_x = image_h - tile_y - tile_h;
1398 *res_y = image_w - tile_x - tile_w;
1400 case EXIF_ORIENTATION_LEFT_BOTTOM:
1402 *res_x = image_h - tile_y - tile_h;
1406 /* The other values are out of range */
1409 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1412 void pr_tile_region_map_orientation(gint orientation,
1413 gint area_x, gint area_y, /* coordinates of the area inside tile */
1414 gint tile_w, gint tile_h,
1415 gint area_w, gint area_h,
1416 gint *res_x, gint *res_y,
1417 gint *res_w, gint *res_h)
1424 switch (orientation)
1426 case EXIF_ORIENTATION_TOP_LEFT:
1427 /* normal -- nothing to do */
1429 case EXIF_ORIENTATION_TOP_RIGHT:
1431 *res_x = tile_w - area_x - area_w;
1433 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1435 *res_x = tile_w - area_x - area_w;
1436 *res_y = tile_h - area_y - area_h;
1438 case EXIF_ORIENTATION_BOTTOM_LEFT:
1440 *res_y = tile_h - area_y - area_h;
1442 case EXIF_ORIENTATION_LEFT_TOP:
1448 case EXIF_ORIENTATION_RIGHT_TOP:
1449 /* rotated -90 (270) */
1451 *res_y = tile_w - area_x - area_w;
1455 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1456 *res_x = tile_h - area_y - area_h;
1457 *res_y = tile_w - area_x - area_w;
1461 case EXIF_ORIENTATION_LEFT_BOTTOM:
1463 *res_x = tile_h - area_y - area_h;
1469 /* The other values are out of range */
1472 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1475 void pr_coords_map_orientation_reverse(gint orientation,
1476 gint area_x, gint area_y,
1477 gint tile_w, gint tile_h,
1478 gint area_w, gint area_h,
1479 gint *res_x, gint *res_y,
1480 gint *res_w, gint *res_h)
1487 switch (orientation)
1489 case EXIF_ORIENTATION_TOP_LEFT:
1490 /* normal -- nothing to do */
1492 case EXIF_ORIENTATION_TOP_RIGHT:
1494 *res_x = tile_w - area_x - area_w;
1496 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1498 *res_x = tile_w - area_x - area_w;
1499 *res_y = tile_h - area_y - area_h;
1501 case EXIF_ORIENTATION_BOTTOM_LEFT:
1503 *res_y = tile_h - area_y - area_h;
1505 case EXIF_ORIENTATION_LEFT_TOP:
1511 case EXIF_ORIENTATION_RIGHT_TOP:
1512 /* rotated -90 (270) */
1513 *res_x = tile_w - area_y - area_h;
1518 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1519 *res_x = tile_w - area_y - area_h;
1520 *res_y = tile_h - area_x - area_w;
1524 case EXIF_ORIENTATION_LEFT_BOTTOM:
1527 *res_y = tile_h - area_x - area_w;
1532 /* The other values are out of range */
1539 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1542 if (!pr->width || !pr->height) return;
1545 * Update norm_center only if the image is bigger than the window.
1546 * With this condition the stored center survives also a temporary display
1547 * of the "broken image" icon.
1550 if (pr->width > pr->viewport_width)
1552 src_x = pr->x_scroll + pr->vis_width / 2;
1553 pr->norm_center_x = (gdouble)src_x / pr->width;
1556 if (pr->height > pr->viewport_height)
1558 src_y = pr->y_scroll + pr->vis_height / 2;
1559 pr->norm_center_y = (gdouble)src_y / pr->height;
1564 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1569 if (pr->zoom == 0.0)
1577 old_xs = pr->x_scroll;
1578 old_ys = pr->y_scroll;
1580 if (pr->x_offset > 0)
1586 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1589 if (pr->y_offset > 0)
1595 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1598 pixbuf_renderer_sync_scroll_center(pr);
1600 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1603 static gboolean pr_size_clamp(PixbufRenderer *pr)
1605 gint old_vw, old_vh;
1607 old_vw = pr->vis_width;
1608 old_vh = pr->vis_height;
1610 if (pr->width < pr->viewport_width)
1612 pr->vis_width = pr->width;
1613 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1617 pr->vis_width = pr->viewport_width;
1621 if (pr->height < pr->viewport_height)
1623 pr->vis_height = pr->height;
1624 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1628 pr->vis_height = pr->viewport_height;
1632 pixbuf_renderer_sync_scroll_center(pr);
1634 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1637 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1642 gboolean force = !!(flags & PR_ZOOM_FORCE);
1643 gboolean new = !!(flags & PR_ZOOM_NEW);
1645 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1647 if (pr->zoom == zoom && !force) return FALSE;
1649 w = pr->image_width;
1650 h = pr->image_height;
1652 if (zoom == 0.0 && !pr->pixbuf)
1656 else if (zoom == 0.0)
1662 sizeable = (new && pr_parent_window_sizable(pr));
1666 max_w = gdk_screen_width();
1667 max_h = gdk_screen_height();
1669 if (pr->window_limit)
1671 max_w = max_w * pr->window_limit_size / 100;
1672 max_h = max_h * pr->window_limit_size / 100;
1677 max_w = pr->viewport_width;
1678 max_h = pr->viewport_height;
1681 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1683 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1685 scale = (gdouble)max_h / h / pr->aspect_ratio;
1687 w = w * scale + 0.5;
1688 if (w > max_w) w = max_w;
1692 scale = (gdouble)max_w / w;
1694 h = h * scale * pr->aspect_ratio + 0.5;
1695 if (h > max_h) h = max_h;
1698 if (pr->autofit_limit)
1700 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1701 w = w * factor + 0.5;
1702 h = h * factor + 0.5;
1703 scale = scale * factor;
1706 if (pr->zoom_expand)
1708 gdouble factor = (gdouble)pr->enlargement_limit_size / 100;
1711 w = w * factor / scale;
1712 h = h * factor / scale;
1725 else if (zoom > 0.0) /* zoom orig, in */
1729 h = h * scale * pr->aspect_ratio;
1733 scale = 1.0 / (0.0 - zoom);
1735 h = h * scale * pr->aspect_ratio;
1746 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1747 PrZoomFlags flags, gint px, gint py)
1750 gint old_cx, old_cy;
1751 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1752 gboolean force = !!(flags & PR_ZOOM_FORCE);
1753 gboolean new = !!(flags & PR_ZOOM_NEW);
1754 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1755 PrZoomFlags clamp_flags = flags;
1756 gdouble old_center_x = pr->norm_center_x;
1757 gdouble old_center_y = pr->norm_center_y;
1759 old_scale = pr->scale;
1762 px = CLAMP(px, 0, pr->width);
1763 py = CLAMP(py, 0, pr->height);
1764 old_cx = pr->x_scroll + (px - pr->x_offset);
1765 old_cy = pr->y_scroll + (py - pr->y_offset);
1770 old_cx = pr->x_scroll + pr->vis_width / 2;
1771 old_cy = pr->y_scroll + pr->vis_height / 2;
1774 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1775 if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
1777 (void) pr_size_clamp(pr);
1778 (void) pr_parent_window_resize(pr, pr->width, pr->height);
1782 switch (pr->scroll_reset)
1784 case PR_SCROLL_RESET_NOCHANGE:
1785 /* maintain old scroll position */
1786 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1787 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1789 case PR_SCROLL_RESET_CENTER:
1790 /* center new image */
1791 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1792 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1794 case PR_SCROLL_RESET_TOPLEFT:
1796 /* reset to upper left */
1804 /* user zoom does not force, so keep visible center point */
1807 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1808 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1812 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1813 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1817 pr_scroll_clamp(pr);
1819 pr->renderer->update_zoom(pr->renderer, lazy);
1820 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1822 pr_scroll_notify_signal(pr);
1824 pr_update_signal(pr);
1827 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1829 gboolean zoom_changed = FALSE;
1831 gint new_viewport_width = new_width;
1832 gint new_viewport_height = new_height;
1834 if (!pr->stereo_temp_disable)
1836 if (pr->stereo_mode & PR_STEREO_HORIZ)
1838 new_viewport_width = new_width / 2;
1840 else if (pr->stereo_mode & PR_STEREO_VERT)
1842 new_viewport_height = new_height / 2;
1844 else if (pr->stereo_mode & PR_STEREO_FIXED)
1846 new_viewport_width = pr->stereo_fixed_width;
1847 new_viewport_height = pr->stereo_fixed_height;
1851 if (pr->window_width == new_width && pr->window_height == new_height &&
1852 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1854 pr->window_width = new_width;
1855 pr->window_height = new_height;
1856 pr->viewport_width = new_viewport_width;
1857 pr->viewport_height = new_viewport_height;
1859 if (pr->zoom == 0.0)
1861 gdouble old_scale = pr->scale;
1862 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
1863 zoom_changed = (old_scale != pr->scale);
1867 pr_scroll_clamp(pr);
1871 pr->renderer->update_zoom(pr->renderer, FALSE);
1872 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
1875 pr->renderer->update_viewport(pr->renderer);
1876 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
1879 /* ensure scroller remains visible */
1880 if (pr->scroller_overlay != -1)
1882 gboolean update = FALSE;
1884 if (pr->scroller_x > new_width)
1886 pr->scroller_x = new_width;
1887 pr->scroller_xpos = new_width;
1890 if (pr->scroller_y > new_height)
1892 pr->scroller_y = new_height;
1893 pr->scroller_ypos = new_height;
1901 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1905 w = gdk_pixbuf_get_width(pixbuf);
1906 h = gdk_pixbuf_get_height(pixbuf);
1907 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1908 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1913 pr_scroll_notify_signal(pr);
1914 if (zoom_changed) pr_zoom_signal(pr);
1915 pr_update_signal(pr);
1918 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1920 PixbufRenderer *pr = data;
1922 pr_size_sync(pr, allocation->width, allocation->height);
1926 *-------------------------------------------------------------------
1928 *-------------------------------------------------------------------
1931 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1936 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1938 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1940 old_x = pr->x_scroll;
1941 old_y = pr->y_scroll;
1946 pr_scroll_clamp(pr);
1948 pixbuf_renderer_sync_scroll_center(pr);
1950 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1952 pr_scroll_notify_signal(pr);
1954 x_off = pr->x_scroll - old_x;
1955 y_off = pr->y_scroll - old_y;
1957 pr->renderer->scroll(pr->renderer, x_off, y_off);
1958 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1961 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1962 gdouble x_align, gdouble y_align)
1967 x_align = CLAMP(x_align, 0.0, 1.0);
1968 y_align = CLAMP(y_align, 0.0, 1.0);
1970 ax = (gdouble)pr->vis_width * x_align;
1971 ay = (gdouble)pr->vis_height * y_align;
1973 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1974 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1976 pixbuf_renderer_scroll(pr, px, py);
1979 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1981 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1983 *x = pr->norm_center_x;
1984 *y = pr->norm_center_y;
1987 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1989 gdouble dst_x, dst_y;
1991 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1992 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1994 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1995 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1997 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
2001 *-------------------------------------------------------------------
2003 *-------------------------------------------------------------------
2006 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
2010 #if GTK_CHECK_VERSION(3,0,0)
2011 GdkDeviceManager *device_manager;
2015 /* This is a hack, but work far the best, at least for single pointer systems.
2016 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
2018 #if GTK_CHECK_VERSION(3,0,0)
2019 device_manager = gdk_display_get_device_manager(gdk_window_get_display(event->window));
2020 device = gdk_device_manager_get_client_pointer(device_manager);
2021 gdk_window_get_device_position(event->window, device, &x, &y, NULL);
2023 gdk_window_get_pointer (event->window, &x, &y, NULL);
2028 pr = PIXBUF_RENDERER(widget);
2030 if (pr->scroller_id)
2032 pr->scroller_xpos = event->x;
2033 pr->scroller_ypos = event->y;
2036 pr->x_mouse = event->x;
2037 pr->y_mouse = event->y;
2038 pr_update_pixel_signal(pr);
2040 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2042 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2048 widget_set_cursor(widget, GDK_FLEUR);
2051 if (event->state & GDK_CONTROL_MASK)
2053 accel = PR_PAN_SHIFT_MULTIPLIER;
2060 /* do the scroll - not when drawing rectangle*/
2061 if (!options->draw_rectangle)
2063 pixbuf_renderer_scroll(pr, (pr->drag_last_x - event->x) * accel,
2064 (pr->drag_last_y - event->y) * accel);
2066 pr_drag_signal(pr, event);
2068 pr->drag_last_x = event->x;
2069 pr->drag_last_y = event->y;
2071 /* This is recommended by the GTK+ documentation, but does not work properly.
2072 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2073 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2075 /* gdk_event_request_motions (event); */
2079 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2083 pr = PIXBUF_RENDERER(widget);
2087 pr_update_pixel_signal(pr);
2091 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2096 pr = PIXBUF_RENDERER(widget);
2098 if (pr->scroller_id) return TRUE;
2100 switch (bevent->button)
2102 case MOUSE_BUTTON_LEFT:
2104 pr->drag_last_x = bevent->x;
2105 pr->drag_last_y = bevent->y;
2107 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2108 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2109 NULL, NULL, bevent->time);
2110 gtk_grab_add(widget);
2112 case MOUSE_BUTTON_MIDDLE:
2115 case MOUSE_BUTTON_RIGHT:
2116 pr_clicked_signal(pr, bevent);
2122 parent = gtk_widget_get_parent(widget);
2123 if (widget && gtk_widget_get_can_focus(parent))
2125 gtk_widget_grab_focus(parent);
2131 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2135 pr = PIXBUF_RENDERER(widget);
2137 if (pr->scroller_id)
2139 pr_scroller_stop(pr);
2143 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2145 gtk_grab_remove(widget);
2146 gdk_pointer_ungrab(bevent->time);
2147 widget_set_cursor(widget, -1);
2150 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2152 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2154 pr_scroller_start(pr, bevent->x, bevent->y);
2156 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2158 pr_clicked_signal(pr, bevent);
2162 pr->in_drag = FALSE;
2167 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2171 pr = PIXBUF_RENDERER(widget);
2173 if (pr->scroller_id)
2175 pr->scroller_xpos = pr->scroller_x;
2176 pr->scroller_ypos = pr->scroller_y;
2177 pr->scroller_xinc = 0;
2178 pr->scroller_yinc = 0;
2184 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2188 pr = PIXBUF_RENDERER(widget);
2190 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2193 static void pr_signals_connect(PixbufRenderer *pr)
2195 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2196 G_CALLBACK(pr_mouse_motion_cb), pr);
2197 g_signal_connect(G_OBJECT(pr), "button_press_event",
2198 G_CALLBACK(pr_mouse_press_cb), pr);
2199 g_signal_connect(G_OBJECT(pr), "button_release_event",
2200 G_CALLBACK(pr_mouse_release_cb), pr);
2201 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2202 G_CALLBACK(pr_mouse_leave_cb), pr);
2203 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2204 G_CALLBACK(pr_leave_notify_cb), pr);
2206 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2207 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
2208 GDK_LEAVE_NOTIFY_MASK);
2210 g_signal_connect(G_OBJECT(pr), "drag_begin",
2211 G_CALLBACK(pr_mouse_drag_cb), pr);
2216 *-------------------------------------------------------------------
2218 *-------------------------------------------------------------------
2221 #define COLOR_BYTES 3 /* rgb */
2222 #define RC 0 /* Red-Cyan */
2223 #define GM 1 /* Green-Magenta */
2224 #define YB 2 /* Yellow-Blue */
2226 static void pr_create_anaglyph_color(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2229 guchar *s_pix, *d_pix;
2234 srs = gdk_pixbuf_get_rowstride(right);
2235 s_pix = gdk_pixbuf_get_pixels(right);
2236 spi = s_pix + (x * COLOR_BYTES);
2238 drs = gdk_pixbuf_get_rowstride(pixbuf);
2239 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2240 dpi = d_pix + x * COLOR_BYTES;
2242 for (i = y; i < y + h; i++)
2244 sp = spi + (i * srs);
2245 dp = dpi + (i * drs);
2246 for (j = 0; j < w; j++)
2251 dp[0] = sp[0]; /* copy red channel */
2267 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2270 guchar *s_pix, *d_pix;
2274 const double gc[3] = {0.299, 0.587, 0.114};
2276 srs = gdk_pixbuf_get_rowstride(right);
2277 s_pix = gdk_pixbuf_get_pixels(right);
2278 spi = s_pix + (x * COLOR_BYTES);
2280 drs = gdk_pixbuf_get_rowstride(pixbuf);
2281 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2282 dpi = d_pix + x * COLOR_BYTES;
2284 for (i = y; i < y + h; i++)
2286 sp = spi + (i * srs);
2287 dp = dpi + (i * drs);
2288 for (j = 0; j < w; j++)
2290 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2291 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2295 dp[0] = g2; /* red channel from sp */
2296 dp[1] = g1; /* green and blue from dp */
2316 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2319 guchar *s_pix, *d_pix;
2323 double pr_dubois_matrix[3][6];
2324 static const double pr_dubois_matrix_RC[3][6] = {
2325 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2326 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2327 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}};
2328 static const double pr_dubois_matrix_GM[3][6] = {
2329 {-0.062, -0.158, -0.039, 0.529, 0.705, 0.024},
2330 { 0.284, 0.668, 0.143, -0.016, -0.015, -0.065},
2331 {-0.015, -0.027, 0.021, 0.009, 0.075, 0.937}};
2332 static const double pr_dubois_matrix_YB[3][6] = {
2333 { 1.000, -0.193, 0.282, -0.015, -0.116, -0.016},
2334 {-0.024, 0.855, 0.064, 0.006, 0.058, -0.016},
2335 {-0.036, -0.163, 0.021, 0.089, 0.174, 0.858}};
2340 memcpy(pr_dubois_matrix, pr_dubois_matrix_RC, sizeof pr_dubois_matrix);
2343 memcpy(pr_dubois_matrix, pr_dubois_matrix_GM, sizeof pr_dubois_matrix);
2346 memcpy(pr_dubois_matrix, pr_dubois_matrix_YB, sizeof pr_dubois_matrix);
2350 srs = gdk_pixbuf_get_rowstride(right);
2351 s_pix = gdk_pixbuf_get_pixels(right);
2352 spi = s_pix + (x * COLOR_BYTES);
2354 drs = gdk_pixbuf_get_rowstride(pixbuf);
2355 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2356 dpi = d_pix + x * COLOR_BYTES;
2358 for (i = y; i < y + h; i++)
2360 sp = spi + (i * srs);
2361 dp = dpi + (i * drs);
2362 for (j = 0; j < w; j++)
2365 for (k = 0; k < 3; k++)
2367 const double *m = pr_dubois_matrix[k];
2368 res[k] = sp[0] * m[0] + sp[1] * m[1] + sp[2] * m[2] + dp[0] * m[3] + dp[1] * m[4] + dp[2] * m[5];
2369 if (res[k] < 0.0) res[k] = 0;
2370 if (res[k] > 255.0) res[k] = 255.0;
2381 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2383 if (mode & PR_STEREO_ANAGLYPH_RC)
2384 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, RC);
2385 else if (mode & PR_STEREO_ANAGLYPH_GM)
2386 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, GM);
2387 else if (mode & PR_STEREO_ANAGLYPH_YB)
2388 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, YB);
2389 else if (mode & PR_STEREO_ANAGLYPH_GRAY_RC)
2390 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, RC);
2391 else if (mode & PR_STEREO_ANAGLYPH_GRAY_GM)
2392 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, GM);
2393 else if (mode & PR_STEREO_ANAGLYPH_GRAY_YB)
2394 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, YB);
2395 else if (mode & PR_STEREO_ANAGLYPH_DB_RC)
2396 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, RC);
2397 else if (mode & PR_STEREO_ANAGLYPH_DB_GM)
2398 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, GM);
2399 else if (mode & PR_STEREO_ANAGLYPH_DB_YB)
2400 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, YB);
2404 *-------------------------------------------------------------------
2406 *-------------------------------------------------------------------
2408 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2410 pr->stereo_pixbuf_offset_left = 0;
2411 pr->stereo_pixbuf_offset_right = 0;
2412 if (!pr->pixbuf) return;
2413 switch (pr->orientation)
2415 case EXIF_ORIENTATION_LEFT_TOP:
2416 case EXIF_ORIENTATION_RIGHT_TOP:
2417 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2418 case EXIF_ORIENTATION_LEFT_BOTTOM:
2419 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2420 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2421 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2423 pr->image_height /= 2;
2424 pr->stereo_pixbuf_offset_right = pr->image_height;
2426 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2428 pr->image_height /= 2;
2429 pr->stereo_pixbuf_offset_left = pr->image_height;
2434 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2435 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2436 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2438 pr->image_width /= 2;
2439 pr->stereo_pixbuf_offset_right = pr->image_width;
2441 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2443 pr->image_width /= 2;
2444 pr->stereo_pixbuf_offset_left = pr->image_width;
2449 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2451 if (pixbuf) g_object_ref(pixbuf);
2452 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2453 pr->pixbuf = pixbuf;
2457 /* no pixbuf so just clear the window */
2458 pr->image_width = 0;
2459 pr->image_height = 0;
2461 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2462 and used for pixbuf_renderer_zoom_get */
2464 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2465 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2467 pr_update_signal(pr);
2472 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2474 gint disable = !pr->pixbuf || ! pr->stereo_data;
2475 pr_stereo_temp_disable(pr, disable);
2478 pr_pixbuf_size_sync(pr);
2479 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2480 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2481 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2484 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2486 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2488 pr_source_tile_unset(pr);
2490 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2492 pr_update_signal(pr);
2495 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2497 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2499 pr_source_tile_unset(pr);
2501 pr->orientation = orientation;
2502 pr->stereo_data = stereo_data;
2503 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2505 pr_update_signal(pr);
2508 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2510 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2515 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2517 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2519 pr->orientation = orientation;
2521 pr_pixbuf_size_sync(pr);
2522 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2525 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2528 return pr->orientation;
2531 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2533 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2534 if (pr->stereo_data == stereo_data) return;
2537 pr->stereo_data = stereo_data;
2539 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2541 gint disable = !pr->pixbuf || ! pr->stereo_data;
2542 pr_stereo_temp_disable(pr, disable);
2544 pr_pixbuf_size_sync(pr);
2545 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2546 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2547 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2550 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2552 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2554 pr->func_post_process = func;
2555 pr->post_process_user_data = user_data;
2556 pr->post_process_slow = func && slow;
2561 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2564 PixbufRendererScrollResetType scroll_reset;
2566 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2567 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2569 if (pr == source) return;
2571 object = G_OBJECT(pr);
2573 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2574 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2575 g_object_set(object, "loading", source->loading, NULL);
2577 pr->complete = source->complete;
2579 pr->x_scroll = source->x_scroll;
2580 pr->y_scroll = source->y_scroll;
2581 pr->x_mouse = source->x_mouse;
2582 pr->y_mouse = source->y_mouse;
2584 scroll_reset = pr->scroll_reset;
2585 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2587 pr->func_post_process = source->func_post_process;
2588 pr->post_process_user_data = source->post_process_user_data;
2589 pr->post_process_slow = source->post_process_slow;
2590 pr->orientation = source->orientation;
2591 pr->stereo_data = source->stereo_data;
2593 if (source->source_tiles_enabled)
2595 pr_source_tile_unset(pr);
2597 pr->source_tiles_enabled = source->source_tiles_enabled;
2598 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2599 pr->source_tile_width = source->source_tile_width;
2600 pr->source_tile_height = source->source_tile_height;
2601 pr->image_width = source->image_width;
2602 pr->image_height = source->image_height;
2604 pr->func_tile_request = source->func_tile_request;
2605 pr->func_tile_dispose = source->func_tile_dispose;
2606 pr->func_tile_data = source->func_tile_data;
2608 pr->source_tiles = source->source_tiles;
2609 source->source_tiles = NULL;
2611 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2615 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2618 pr->scroll_reset = scroll_reset;
2620 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2623 void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source)
2626 PixbufRendererScrollResetType scroll_reset;
2628 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2629 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2631 if (pr == source) return;
2633 object = G_OBJECT(pr);
2635 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2636 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2637 g_object_set(object, "loading", source->loading, NULL);
2639 pr->complete = source->complete;
2641 pr->x_scroll = source->x_scroll;
2642 pr->y_scroll = source->y_scroll;
2643 pr->x_mouse = source->x_mouse;
2644 pr->y_mouse = source->y_mouse;
2646 scroll_reset = pr->scroll_reset;
2647 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2649 pr->orientation = source->orientation;
2650 pr->stereo_data = source->stereo_data;
2652 if (source->source_tiles_enabled)
2654 pr->source_tiles_enabled = source->source_tiles_enabled;
2655 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2656 pr->source_tile_width = source->source_tile_width;
2657 pr->source_tile_height = source->source_tile_height;
2658 pr->image_width = source->image_width;
2659 pr->image_height = source->image_height;
2661 pr->func_tile_request = source->func_tile_request;
2662 pr->func_tile_dispose = source->func_tile_dispose;
2663 pr->func_tile_data = source->func_tile_data;
2665 pr->source_tiles = source->source_tiles;
2666 source->source_tiles = NULL;
2668 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2672 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2675 pr->scroll_reset = scroll_reset;
2678 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2680 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2682 if (pr->source_tiles_enabled)
2684 pr_source_tile_changed(pr, x, y, w, h);
2687 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2688 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2691 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2693 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2695 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2698 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2700 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2702 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2705 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2707 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2709 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2712 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2714 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2719 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2721 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2726 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2728 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2730 if (min > 1.0 || max < 1.0) return;
2731 if (min < 1.0 && min > -1.0) return;
2732 if (min < -200.0 || max > 200.0) return;
2734 if (pr->zoom_min != min)
2737 g_object_notify(G_OBJECT(pr), "zoom_min");
2739 if (pr->zoom_max != max)
2742 g_object_notify(G_OBJECT(pr), "zoom_max");
2746 static void pr_stereo_set(PixbufRenderer *pr)
2748 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2750 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2752 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2754 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2755 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2759 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2760 pr->renderer2 = NULL;
2762 if (pr->stereo_mode & PR_STEREO_HALF)
2764 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2765 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2766 else pr->aspect_ratio = 1.0;
2770 pr->aspect_ratio = 1.0;
2774 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2776 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2777 pr->stereo_mode = stereo_mode;
2778 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2780 pr->stereo_temp_disable = FALSE;
2786 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2787 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2791 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2793 pr->stereo_fixed_width = width;
2794 pr->stereo_fixed_height = height;
2795 pr->stereo_fixed_x_left = x1;
2796 pr->stereo_fixed_y_left = y1;
2797 pr->stereo_fixed_x_right = x2;
2798 pr->stereo_fixed_y_right = y2;
2801 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2803 return pr->stereo_mode;
2806 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2808 if (pr->stereo_temp_disable == disable) return;
2809 pr->stereo_temp_disable = disable;
2812 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2813 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2814 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2815 pr->renderer2 = NULL;
2816 pr->aspect_ratio = 1.0;
2822 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2825 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2826 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2828 GdkPixbuf *pb = pr->pixbuf;
2831 gint map_x, map_y, map_w, map_h;
2834 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2835 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2837 if (!pr->pixbuf && !pr->source_tiles_enabled)
2845 if (!pb) return FALSE;
2847 pr_tile_region_map_orientation(pr->orientation,
2849 pr->image_width, pr->image_height,
2850 1, 1, /*single pixel */
2854 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2855 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2857 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2858 prs = gdk_pixbuf_get_rowstride(pb);
2859 p_pix = gdk_pixbuf_get_pixels(pb);
2861 xoff = (size_t)map_x * (p_alpha ? 4 : 3);
2862 yoff = (size_t)map_y * prs;
2863 pp = p_pix + yoff + xoff;
2873 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2875 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2877 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2878 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2880 if (!pr->pixbuf && !pr->source_tiles_enabled)
2882 *x_pixel_return = -1;
2883 *y_pixel_return = -1;
2887 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2888 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2889 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2890 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2892 if (x_pixel != x_pixel_clamped)
2894 /* mouse is not on pr */
2897 if (y_pixel != y_pixel_clamped)
2899 /* mouse is not on pr */
2903 *x_pixel_return = x_pixel;
2904 *y_pixel_return = y_pixel;
2909 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2911 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2912 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2914 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2921 *width = pr->image_width;
2922 *height = pr->image_height;
2926 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2928 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2929 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2931 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2939 *height = pr->height;
2943 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2945 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2946 g_return_val_if_fail(rect != NULL, FALSE);
2948 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2958 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2959 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2960 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2961 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2965 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2967 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2968 g_return_val_if_fail(rect != NULL, FALSE);
2970 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2979 rect->x = pr->x_scroll;
2980 rect->y = pr->y_scroll;
2981 rect->width = pr->vis_width;
2982 rect->height = pr->vis_height;
2986 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2989 /** @FIXME this function does not consider the image orientation,
2990 so it probably only breaks something */
2994 zoom = pixbuf_renderer_zoom_get(pr);
2995 pr->image_width = width;
2996 pr->image_height = height;
2998 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
3003 //pr->width = width;
3004 //pr->height = height;
3008 void pixbuf_renderer_set_ignore_alpha(PixbufRenderer *pr, gint ignore_alpha)
3010 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
3012 pr->ignore_alpha = ignore_alpha;
3013 pr_pixbuf_size_sync(pr);
3014 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
3017 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */