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 GType pixbuf_renderer_get_type(void)
154 static GType pixbuf_renderer_type = 0;
156 if (!pixbuf_renderer_type)
158 static const GTypeInfo pixbuf_renderer_info =
160 sizeof(PixbufRendererClass), /* class_size */
161 NULL, /* base_init */
162 NULL, /* base_finalize */
163 (GClassInitFunc)pixbuf_renderer_class_init,
164 NULL, /* class_finalize */
165 NULL, /* class_data */
166 sizeof(PixbufRenderer), /* instance_size */
168 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
169 NULL, /* value_table */
172 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
173 &pixbuf_renderer_info, 0);
176 return pixbuf_renderer_type;
179 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
181 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
183 parent_class = g_type_class_peek_parent(class);
185 gobject_class->set_property = pixbuf_renderer_set_property;
186 gobject_class->get_property = pixbuf_renderer_get_property;
188 gobject_class->finalize = pixbuf_renderer_finalize;
190 g_object_class_install_property(gobject_class,
192 g_param_spec_double("zoom_min",
198 G_PARAM_READABLE | G_PARAM_WRITABLE));
200 g_object_class_install_property(gobject_class,
202 g_param_spec_double("zoom_max",
208 G_PARAM_READABLE | G_PARAM_WRITABLE));
210 g_object_class_install_property(gobject_class,
212 g_param_spec_uint("zoom_quality",
218 G_PARAM_READABLE | G_PARAM_WRITABLE));
220 g_object_class_install_property(gobject_class,
222 g_param_spec_boolean("zoom_2pass",
226 G_PARAM_READABLE | G_PARAM_WRITABLE));
228 g_object_class_install_property(gobject_class,
230 g_param_spec_boolean("zoom_expand",
231 "Expand image in autozoom.",
234 G_PARAM_READABLE | G_PARAM_WRITABLE));
235 g_object_class_install_property(gobject_class,
237 g_param_spec_uint("scroll_reset",
238 "New image scroll reset",
240 PR_SCROLL_RESET_TOPLEFT,
241 PR_SCROLL_RESET_NOCHANGE,
242 PR_SCROLL_RESET_TOPLEFT,
243 G_PARAM_READABLE | G_PARAM_WRITABLE));
245 g_object_class_install_property(gobject_class,
247 g_param_spec_boolean("delay_flip",
248 "Delay image update",
251 G_PARAM_READABLE | G_PARAM_WRITABLE));
253 g_object_class_install_property(gobject_class,
255 g_param_spec_boolean("loading",
256 "Image actively loading",
259 G_PARAM_READABLE | G_PARAM_WRITABLE));
261 g_object_class_install_property(gobject_class,
263 g_param_spec_boolean("complete",
264 "Image rendering complete",
267 G_PARAM_READABLE | G_PARAM_WRITABLE));
269 g_object_class_install_property(gobject_class,
270 PROP_CACHE_SIZE_DISPLAY,
271 g_param_spec_uint("cache_display",
272 "Display cache size MB",
276 PR_CACHE_SIZE_DEFAULT,
277 G_PARAM_READABLE | G_PARAM_WRITABLE));
279 g_object_class_install_property(gobject_class,
280 PROP_CACHE_SIZE_TILES,
281 g_param_spec_uint("cache_tiles",
283 "Number of tiles to retain in memory at any one time.",
286 PR_CACHE_SIZE_DEFAULT,
287 G_PARAM_READABLE | G_PARAM_WRITABLE));
289 g_object_class_install_property(gobject_class,
291 g_param_spec_boolean("window_fit",
292 "Fit window to image size",
295 G_PARAM_READABLE | G_PARAM_WRITABLE));
297 g_object_class_install_property(gobject_class,
299 g_param_spec_boolean("window_limit",
300 "Limit size of parent window",
303 G_PARAM_READABLE | G_PARAM_WRITABLE));
305 g_object_class_install_property(gobject_class,
306 PROP_WINDOW_LIMIT_VALUE,
307 g_param_spec_uint("window_limit_value",
308 "Size limit of parent window",
313 G_PARAM_READABLE | G_PARAM_WRITABLE));
315 g_object_class_install_property(gobject_class,
317 g_param_spec_boolean("autofit_limit",
318 "Limit size of image when autofitting",
321 G_PARAM_READABLE | G_PARAM_WRITABLE));
323 g_object_class_install_property(gobject_class,
324 PROP_AUTOFIT_LIMIT_VALUE,
325 g_param_spec_uint("autofit_limit_value",
326 "Size limit of image when autofitting",
331 G_PARAM_READABLE | G_PARAM_WRITABLE));
333 g_object_class_install_property(gobject_class,
334 PROP_ENLARGEMENT_LIMIT_VALUE,
335 g_param_spec_uint("enlargement_limit_value",
336 "Size increase limit of image when autofitting",
341 G_PARAM_READABLE | G_PARAM_WRITABLE));
344 signals[SIGNAL_ZOOM] =
346 G_OBJECT_CLASS_TYPE(gobject_class),
348 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
350 g_cclosure_marshal_VOID__DOUBLE,
354 signals[SIGNAL_CLICKED] =
355 g_signal_new("clicked",
356 G_OBJECT_CLASS_TYPE(gobject_class),
358 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
360 g_cclosure_marshal_VOID__BOXED,
364 signals[SIGNAL_SCROLL_NOTIFY] =
365 g_signal_new("scroll-notify",
366 G_OBJECT_CLASS_TYPE(gobject_class),
368 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
370 g_cclosure_marshal_VOID__VOID,
373 signals[SIGNAL_RENDER_COMPLETE] =
374 g_signal_new("render-complete",
375 G_OBJECT_CLASS_TYPE(gobject_class),
377 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
379 g_cclosure_marshal_VOID__VOID,
382 signals[SIGNAL_DRAG] =
384 G_OBJECT_CLASS_TYPE(gobject_class),
386 G_STRUCT_OFFSET(PixbufRendererClass, drag),
388 g_cclosure_marshal_VOID__BOXED,
392 signals[SIGNAL_UPDATE_PIXEL] =
393 g_signal_new("update-pixel",
394 G_OBJECT_CLASS_TYPE(gobject_class),
396 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
398 g_cclosure_marshal_VOID__VOID,
402 static RendererFuncs *pr_backend_renderer_new(PixbufRenderer *pr)
404 if (options->image.use_clutter_renderer)
407 return renderer_clutter_new(pr);
409 DEBUG_0("Geeqie is built without clutter renderer support");
412 return renderer_tiles_new(pr);
416 static void pixbuf_renderer_init(PixbufRenderer *pr)
420 box = GTK_WIDGET(pr);
422 pr->zoom_min = PR_ZOOM_MIN;
423 pr->zoom_max = PR_ZOOM_MAX;
424 pr->zoom_quality = GDK_INTERP_BILINEAR;
425 pr->zoom_2pass = FALSE;
429 pr->aspect_ratio = 1.0;
431 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
434 pr->scroller_overlay = -1;
439 pr->source_tiles_enabled = FALSE;
440 pr->source_tiles = NULL;
444 pr->norm_center_x = 0.5;
445 pr->norm_center_y = 0.5;
447 pr->stereo_mode = PR_STEREO_NONE;
453 pr->renderer = pr_backend_renderer_new(pr);
455 pr->renderer2 = NULL;
457 gtk_widget_set_double_buffered(box, FALSE);
458 gtk_widget_set_app_paintable(box, TRUE);
459 g_signal_connect_after(G_OBJECT(box), "size_allocate",
460 G_CALLBACK(pr_size_cb), pr);
462 pr_signals_connect(pr);
465 static void pixbuf_renderer_finalize(GObject *object)
469 pr = PIXBUF_RENDERER(object);
471 pr->renderer->free(pr->renderer);
472 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
475 if (pr->pixbuf) g_object_unref(pr->pixbuf);
477 pr_scroller_timer_set(pr, FALSE);
479 pr_source_tile_free_all(pr);
482 PixbufRenderer *pixbuf_renderer_new(void)
484 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
487 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
488 const GValue *value, GParamSpec *pspec)
492 pr = PIXBUF_RENDERER(object);
497 pr->zoom_min = g_value_get_double(value);
500 pr->zoom_max = g_value_get_double(value);
502 case PROP_ZOOM_QUALITY:
503 pr->zoom_quality = g_value_get_uint(value);
505 case PROP_ZOOM_2PASS:
506 pr->zoom_2pass = g_value_get_boolean(value);
508 case PROP_ZOOM_EXPAND:
509 pr->zoom_expand = g_value_get_boolean(value);
511 case PROP_SCROLL_RESET:
512 pr->scroll_reset = g_value_get_uint(value);
514 case PROP_DELAY_FLIP:
515 pr->delay_flip = g_value_get_boolean(value);
518 pr->loading = g_value_get_boolean(value);
521 pr->complete = g_value_get_boolean(value);
523 case PROP_CACHE_SIZE_DISPLAY:
524 // pr->tile_cache_max = g_value_get_uint(value);
526 case PROP_CACHE_SIZE_TILES:
527 pr->source_tiles_cache_size = g_value_get_uint(value);
529 case PROP_WINDOW_FIT:
530 pr->window_fit = g_value_get_boolean(value);
532 case PROP_WINDOW_LIMIT:
533 pr->window_limit = g_value_get_boolean(value);
535 case PROP_WINDOW_LIMIT_VALUE:
536 pr->window_limit_size = g_value_get_uint(value);
538 case PROP_AUTOFIT_LIMIT:
539 pr->autofit_limit = g_value_get_boolean(value);
541 case PROP_AUTOFIT_LIMIT_VALUE:
542 pr->autofit_limit_size = g_value_get_uint(value);
544 case PROP_ENLARGEMENT_LIMIT_VALUE:
545 pr->enlargement_limit_size = g_value_get_uint(value);
548 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
553 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
554 GValue *value, GParamSpec *pspec)
558 pr = PIXBUF_RENDERER(object);
563 g_value_set_double(value, pr->zoom_min);
566 g_value_set_double(value, pr->zoom_max);
568 case PROP_ZOOM_QUALITY:
569 g_value_set_uint(value, pr->zoom_quality);
571 case PROP_ZOOM_2PASS:
572 g_value_set_boolean(value, pr->zoom_2pass);
574 case PROP_ZOOM_EXPAND:
575 g_value_set_boolean(value, pr->zoom_expand);
577 case PROP_SCROLL_RESET:
578 g_value_set_uint(value, pr->scroll_reset);
580 case PROP_DELAY_FLIP:
581 g_value_set_boolean(value, pr->delay_flip);
584 g_value_set_boolean(value, pr->loading);
587 g_value_set_boolean(value, pr->complete);
589 case PROP_CACHE_SIZE_DISPLAY:
590 // g_value_set_uint(value, pr->tile_cache_max);
592 case PROP_CACHE_SIZE_TILES:
593 g_value_set_uint(value, pr->source_tiles_cache_size);
595 case PROP_WINDOW_FIT:
596 g_value_set_boolean(value, pr->window_fit);
598 case PROP_WINDOW_LIMIT:
599 g_value_set_boolean(value, pr->window_limit);
601 case PROP_WINDOW_LIMIT_VALUE:
602 g_value_set_uint(value, pr->window_limit_size);
604 case PROP_AUTOFIT_LIMIT:
605 g_value_set_boolean(value, pr->autofit_limit);
607 case PROP_AUTOFIT_LIMIT_VALUE:
608 g_value_set_uint(value, pr->autofit_limit_size);
610 case PROP_ENLARGEMENT_LIMIT_VALUE:
611 g_value_set_uint(value, pr->enlargement_limit_size);
614 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
621 *-------------------------------------------------------------------
623 *-------------------------------------------------------------------
626 static void widget_set_cursor(GtkWidget *widget, gint icon)
630 if (!gtk_widget_get_window(widget)) return;
638 cursor = gdk_cursor_new(icon);
641 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
643 if (cursor) gdk_cursor_unref(cursor);
646 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
647 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
648 gint *rx, gint *ry, gint *rw, gint *rh)
650 if (clip_x + clip_w <= x ||
652 clip_y + clip_h <= y ||
658 *rx = MAX(x, clip_x);
659 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
661 *ry = MAX(y, clip_y);
662 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
667 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
669 GdkWindowState state;
671 if (!pr->parent_window) return FALSE;
672 if (!pr->window_fit) return FALSE;
673 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
675 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
676 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
677 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
682 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
687 GtkAllocation widget_allocation;
688 GtkAllocation parent_allocation;
690 if (!pr_parent_window_sizable(pr)) return FALSE;
692 if (pr->window_limit)
694 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
695 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
701 widget = GTK_WIDGET(pr);
702 parent = GTK_WIDGET(pr->parent_window);
704 gtk_widget_get_allocation(widget, &widget_allocation);
705 gtk_widget_get_allocation(parent, &parent_allocation);
707 w += (parent_allocation.width - widget_allocation.width);
708 h += (parent_allocation.height - widget_allocation.height);
710 ww = gdk_window_get_width(gtk_widget_get_window(parent));
711 wh = gdk_window_get_height(gtk_widget_get_window(parent));
712 if (w == ww && h == wh) return FALSE;
714 gdk_window_resize(gtk_widget_get_window(parent), w, h);
719 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
721 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
722 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
724 pr->parent_window = GTK_WIDGET(window);
727 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
729 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
731 return GTK_WINDOW(pr->parent_window);
736 *-------------------------------------------------------------------
738 *-------------------------------------------------------------------
742 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
743 OverlayRendererFlags flags)
745 /* let's assume both renderers returns the same value */
746 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
747 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
750 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
752 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
753 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
756 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
758 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
759 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
762 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
764 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
765 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
769 *-------------------------------------------------------------------
771 *-------------------------------------------------------------------
775 static gboolean pr_scroller_update_cb(gpointer data)
777 PixbufRenderer *pr = data;
781 /* this was a simple scroll by difference between scroller and mouse position,
782 * but all this math results in a smoother result and accounts for a dead zone.
785 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
791 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
792 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
793 x += (x > 0) ? -shift : shift;
796 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
802 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
803 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
804 y += (y > 0) ? -shift : shift;
807 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
813 xinc = pr->scroller_xinc;
817 if (xinc < 0) xinc = 0;
818 if (x < xinc) xinc = x;
819 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
823 if (xinc > 0) xinc = 0;
824 if (x > xinc) xinc = x;
825 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
829 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
835 yinc = pr->scroller_yinc;
839 if (yinc < 0) yinc = 0;
840 if (y < yinc) yinc = y;
841 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
845 if (yinc > 0) yinc = 0;
846 if (y > yinc) yinc = y;
847 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
851 pr->scroller_xinc = xinc;
852 pr->scroller_yinc = yinc;
854 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
855 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
857 pixbuf_renderer_scroll(pr, xinc, yinc);
862 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
866 g_source_remove(pr->scroller_id);
872 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
873 pr_scroller_update_cb, pr);
877 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
879 if (pr->scroller_overlay == -1)
885 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
887 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
888 gdk_pixbuf_fill(pixbuf, 0x000000ff);
890 w = gdk_pixbuf_get_width(pixbuf);
891 h = gdk_pixbuf_get_height(pixbuf);
893 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
894 g_object_unref(pixbuf);
899 pr->scroller_xpos = x;
900 pr->scroller_ypos = y;
902 pr_scroller_timer_set(pr, TRUE);
905 static void pr_scroller_stop(PixbufRenderer *pr)
907 if (!pr->scroller_id) return;
909 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
910 pr->scroller_overlay = -1;
912 pr_scroller_timer_set(pr, FALSE);
916 *-------------------------------------------------------------------
918 *-------------------------------------------------------------------
921 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
926 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
930 pr->color.red = color->red;
931 pr->color.green = color->green;
932 pr->color.blue = color->blue;
941 pr->renderer->update_viewport(pr->renderer);
942 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
946 *-------------------------------------------------------------------
948 *-------------------------------------------------------------------
951 static void pr_source_tile_free(SourceTile *st)
955 if (st->pixbuf) g_object_unref(st->pixbuf);
959 static void pr_source_tile_free_all(PixbufRenderer *pr)
963 work = pr->source_tiles;
971 pr_source_tile_free(st);
974 g_list_free(pr->source_tiles);
975 pr->source_tiles = NULL;
978 static void pr_source_tile_unset(PixbufRenderer *pr)
980 pr_source_tile_free_all(pr);
981 pr->source_tiles_enabled = FALSE;
984 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
988 if (!st) return FALSE;
990 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
991 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
992 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
993 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
996 x2 = pr->x_scroll + pr->vis_width;
997 y2 = pr->y_scroll + pr->vis_height;
999 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
1000 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
1001 (gdouble)st->y * pr->scale > (gdouble)y2 ||
1002 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1005 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1007 SourceTile *st = NULL;
1010 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1012 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1014 count = g_list_length(pr->source_tiles);
1015 if (count >= pr->source_tiles_cache_size)
1019 work = g_list_last(pr->source_tiles);
1020 while (work && count >= pr->source_tiles_cache_size)
1024 needle = work->data;
1027 if (!pr_source_tile_visible(pr, needle))
1029 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1031 if (pr->func_tile_dispose)
1033 pr->func_tile_dispose(pr, needle->x, needle->y,
1034 pr->source_tile_width, pr->source_tile_height,
1035 needle->pixbuf, pr->func_tile_data);
1044 pr_source_tile_free(needle);
1054 st = g_new0(SourceTile, 1);
1055 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1056 pr->source_tile_width, pr->source_tile_height);
1059 st->x = ROUND_DOWN(x, pr->source_tile_width);
1060 st->y = ROUND_DOWN(y, pr->source_tile_height);
1063 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1068 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1072 st = pr_source_tile_new(pr, x, y);
1073 if (!st) return NULL;
1075 if (pr->func_tile_request &&
1076 pr->func_tile_request(pr, st->x, st->y,
1077 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1082 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1083 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1084 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1085 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1089 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1093 work = pr->source_tiles;
1096 SourceTile *st = work->data;
1098 if (x >= st->x && x < st->x + pr->source_tile_width &&
1099 y >= st->y && y < st->y + pr->source_tile_height)
1101 if (work != pr->source_tiles)
1103 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1104 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1115 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1123 if (w > pr->image_width) w = pr->image_width;
1124 if (h > pr->image_height) h = pr->image_height;
1126 sx = ROUND_DOWN(x, pr->source_tile_width);
1127 sy = ROUND_DOWN(y, pr->source_tile_height);
1129 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1131 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1135 st = pr_source_tile_find(pr, x1, y1);
1136 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1138 if (st) list = g_list_prepend(list, st);
1142 return g_list_reverse(list);
1145 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1149 if (width < 1 || height < 1) return;
1151 work = pr->source_tiles;
1155 gint rx, ry, rw, rh;
1160 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1161 x, y, width, height,
1162 &rx, &ry, &rw, &rh))
1166 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1167 if (pr->func_tile_request &&
1168 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1170 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1171 rw * pr->scale, rh * pr->scale);
1172 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1173 rw * pr->scale, rh * pr->scale);
1175 g_object_unref(pixbuf);
1180 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1181 gint tile_width, gint tile_height, gint cache_size,
1182 PixbufRendererTileRequestFunc func_request,
1183 PixbufRendererTileDisposeFunc func_dispose,
1187 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1188 g_return_if_fail(tile_width >= 32 && tile_height >= 32);
1189 g_return_if_fail(width >= 32 && height > 32);
1190 g_return_if_fail(func_request != NULL);
1192 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1195 pr_source_tile_unset(pr);
1197 if (cache_size < 4) cache_size = 4;
1199 pr->source_tiles_enabled = TRUE;
1200 pr->source_tiles_cache_size = cache_size;
1201 pr->source_tile_width = tile_width;
1202 pr->source_tile_height = tile_height;
1204 pr->image_width = width;
1205 pr->image_height = height;
1207 pr->func_tile_request = func_request;
1208 pr->func_tile_dispose = func_dispose;
1209 pr->func_tile_data = user_data;
1211 pr_stereo_temp_disable(pr, TRUE);
1212 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1215 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1217 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1218 g_return_if_fail(width >= 32 && height > 32);
1220 if (!pr->source_tiles_enabled) return;
1221 if (pr->image_width == width && pr->image_height == height) return;
1223 pr->image_width = width;
1224 pr->image_height = height;
1226 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1229 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1231 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1233 return pr->source_tiles_enabled;
1236 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1237 PrZoomFlags flags, gint x, gint y)
1239 gdouble zoom = pr->zoom;
1241 if (increment == 0.0) return;
1245 if (pr->scale < 1.0)
1247 zoom = 0.0 - 1.0 / pr->scale;
1255 if (increment < 0.0)
1257 if (zoom >= 1.0 && zoom + increment < 1.0)
1259 zoom = zoom + increment - 2.0;
1263 zoom = zoom + increment;
1268 if (zoom <= -1.0 && zoom + increment > -1.0)
1270 zoom = zoom + increment + 2.0;
1274 zoom = zoom + increment;
1278 pr_zoom_sync(pr, zoom, flags, x, y);
1283 *-------------------------------------------------------------------
1285 *-------------------------------------------------------------------
1288 static void pr_update_signal(PixbufRenderer *pr)
1290 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1291 pr->debug_updated = TRUE;
1294 static void pr_zoom_signal(PixbufRenderer *pr)
1296 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1299 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1301 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1304 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1306 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1309 void pr_render_complete_signal(PixbufRenderer *pr)
1313 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1314 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1316 if (pr->debug_updated)
1318 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1319 pr->debug_updated = FALSE;
1323 static void pr_drag_signal(PixbufRenderer *pr, GdkEventMotion *event)
1325 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, event);
1328 static void pr_update_pixel_signal(PixbufRenderer *pr)
1330 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1334 *-------------------------------------------------------------------
1336 *-------------------------------------------------------------------
1340 void pr_tile_coords_map_orientation(gint orientation,
1341 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1342 gdouble image_w, gdouble image_h,
1343 gdouble tile_w, gdouble tile_h,
1344 gdouble *res_x, gdouble *res_y)
1348 switch (orientation)
1350 case EXIF_ORIENTATION_TOP_LEFT:
1351 /* normal -- nothing to do */
1353 case EXIF_ORIENTATION_TOP_RIGHT:
1355 *res_x = image_w - tile_x - tile_w;
1357 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1359 *res_x = image_w - tile_x - tile_w;
1360 *res_y = image_h - tile_y - tile_h;
1362 case EXIF_ORIENTATION_BOTTOM_LEFT:
1364 *res_y = image_h - tile_y - tile_h;
1366 case EXIF_ORIENTATION_LEFT_TOP:
1370 case EXIF_ORIENTATION_RIGHT_TOP:
1371 /* rotated -90 (270) */
1373 *res_y = image_w - tile_x - tile_w;
1375 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1376 *res_x = image_h - tile_y - tile_h;
1377 *res_y = image_w - tile_x - tile_w;
1379 case EXIF_ORIENTATION_LEFT_BOTTOM:
1381 *res_x = image_h - tile_y - tile_h;
1385 /* The other values are out of range */
1388 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1391 void pr_tile_region_map_orientation(gint orientation,
1392 gint area_x, gint area_y, /* coordinates of the area inside tile */
1393 gint tile_w, gint tile_h,
1394 gint area_w, gint area_h,
1395 gint *res_x, gint *res_y,
1396 gint *res_w, gint *res_h)
1403 switch (orientation)
1405 case EXIF_ORIENTATION_TOP_LEFT:
1406 /* normal -- nothing to do */
1408 case EXIF_ORIENTATION_TOP_RIGHT:
1410 *res_x = tile_w - area_x - area_w;
1412 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1414 *res_x = tile_w - area_x - area_w;
1415 *res_y = tile_h - area_y - area_h;
1417 case EXIF_ORIENTATION_BOTTOM_LEFT:
1419 *res_y = tile_h - area_y - area_h;
1421 case EXIF_ORIENTATION_LEFT_TOP:
1427 case EXIF_ORIENTATION_RIGHT_TOP:
1428 /* rotated -90 (270) */
1430 *res_y = tile_w - area_x - area_w;
1434 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1435 *res_x = tile_h - area_y - area_h;
1436 *res_y = tile_w - area_x - area_w;
1440 case EXIF_ORIENTATION_LEFT_BOTTOM:
1442 *res_x = tile_h - area_y - area_h;
1448 /* The other values are out of range */
1451 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1454 void pr_coords_map_orientation_reverse(gint orientation,
1455 gint area_x, gint area_y,
1456 gint tile_w, gint tile_h,
1457 gint area_w, gint area_h,
1458 gint *res_x, gint *res_y,
1459 gint *res_w, gint *res_h)
1466 switch (orientation)
1468 case EXIF_ORIENTATION_TOP_LEFT:
1469 /* normal -- nothing to do */
1471 case EXIF_ORIENTATION_TOP_RIGHT:
1473 *res_x = tile_w - area_x - area_w;
1475 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1477 *res_x = tile_w - area_x - area_w;
1478 *res_y = tile_h - area_y - area_h;
1480 case EXIF_ORIENTATION_BOTTOM_LEFT:
1482 *res_y = tile_h - area_y - area_h;
1484 case EXIF_ORIENTATION_LEFT_TOP:
1490 case EXIF_ORIENTATION_RIGHT_TOP:
1491 /* rotated -90 (270) */
1492 *res_x = tile_w - area_y - area_h;
1497 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1498 *res_x = tile_w - area_y - area_h;
1499 *res_y = tile_h - area_x - area_w;
1503 case EXIF_ORIENTATION_LEFT_BOTTOM:
1506 *res_y = tile_h - area_x - area_w;
1511 /* The other values are out of range */
1518 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1521 if (!pr->width || !pr->height) return;
1524 * Update norm_center only if the image is bigger than the window.
1525 * With this condition the stored center survives also a temporary display
1526 * of the "broken image" icon.
1529 if (pr->width > pr->viewport_width)
1531 src_x = pr->x_scroll + pr->vis_width / 2;
1532 pr->norm_center_x = (gdouble)src_x / pr->width;
1535 if (pr->height > pr->viewport_height)
1537 src_y = pr->y_scroll + pr->vis_height / 2;
1538 pr->norm_center_y = (gdouble)src_y / pr->height;
1543 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1548 if (pr->zoom == 0.0)
1556 old_xs = pr->x_scroll;
1557 old_ys = pr->y_scroll;
1559 if (pr->x_offset > 0)
1565 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1568 if (pr->y_offset > 0)
1574 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1577 pixbuf_renderer_sync_scroll_center(pr);
1579 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1582 static gboolean pr_size_clamp(PixbufRenderer *pr)
1584 gint old_vw, old_vh;
1586 old_vw = pr->vis_width;
1587 old_vh = pr->vis_height;
1589 if (pr->width < pr->viewport_width)
1591 pr->vis_width = pr->width;
1592 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1596 pr->vis_width = pr->viewport_width;
1600 if (pr->height < pr->viewport_height)
1602 pr->vis_height = pr->height;
1603 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1607 pr->vis_height = pr->viewport_height;
1611 pixbuf_renderer_sync_scroll_center(pr);
1613 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1616 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1621 gboolean force = !!(flags & PR_ZOOM_FORCE);
1622 gboolean new = !!(flags & PR_ZOOM_NEW);
1624 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1626 if (pr->zoom == zoom && !force) return FALSE;
1628 w = pr->image_width;
1629 h = pr->image_height;
1631 if (zoom == 0.0 && !pr->pixbuf)
1635 else if (zoom == 0.0)
1641 sizeable = (new && pr_parent_window_sizable(pr));
1645 max_w = gdk_screen_width();
1646 max_h = gdk_screen_height();
1648 if (pr->window_limit)
1650 max_w = max_w * pr->window_limit_size / 100;
1651 max_h = max_h * pr->window_limit_size / 100;
1656 max_w = pr->viewport_width;
1657 max_h = pr->viewport_height;
1660 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1662 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1664 scale = (gdouble)max_h / h / pr->aspect_ratio;
1666 w = w * scale + 0.5;
1667 if (w > max_w) w = max_w;
1671 scale = (gdouble)max_w / w;
1673 h = h * scale * pr->aspect_ratio + 0.5;
1674 if (h > max_h) h = max_h;
1677 if (pr->autofit_limit)
1679 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1680 w = w * factor + 0.5;
1681 h = h * factor + 0.5;
1682 scale = scale * factor;
1685 if (pr->zoom_expand)
1687 gdouble factor = (gdouble)pr->enlargement_limit_size / 100;
1690 w = w * factor / scale;
1691 h = h * factor / scale;
1704 else if (zoom > 0.0) /* zoom orig, in */
1708 h = h * scale * pr->aspect_ratio;
1712 scale = 1.0 / (0.0 - zoom);
1714 h = h * scale * pr->aspect_ratio;
1725 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1726 PrZoomFlags flags, gint px, gint py)
1729 gint old_cx, old_cy;
1730 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1731 gboolean force = !!(flags & PR_ZOOM_FORCE);
1732 gboolean new = !!(flags & PR_ZOOM_NEW);
1733 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1734 PrZoomFlags clamp_flags = flags;
1735 gdouble old_center_x = pr->norm_center_x;
1736 gdouble old_center_y = pr->norm_center_y;
1738 old_scale = pr->scale;
1741 px = CLAMP(px, 0, pr->width);
1742 py = CLAMP(py, 0, pr->height);
1743 old_cx = pr->x_scroll + (px - pr->x_offset);
1744 old_cy = pr->y_scroll + (py - pr->y_offset);
1749 old_cx = pr->x_scroll + pr->vis_width / 2;
1750 old_cy = pr->y_scroll + pr->vis_height / 2;
1753 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1754 (void) pr_parent_window_resize(pr, pr->width, pr->height);
1755 if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
1757 (void) pr_size_clamp(pr);
1761 switch (pr->scroll_reset)
1763 case PR_SCROLL_RESET_NOCHANGE:
1764 /* maintain old scroll position */
1765 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1766 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1768 case PR_SCROLL_RESET_CENTER:
1769 /* center new image */
1770 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1771 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1773 case PR_SCROLL_RESET_TOPLEFT:
1775 /* reset to upper left */
1783 /* user zoom does not force, so keep visible center point */
1786 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1787 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1791 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1792 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1796 pr_scroll_clamp(pr);
1798 pr->renderer->update_zoom(pr->renderer, lazy);
1799 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1801 pr_scroll_notify_signal(pr);
1803 pr_update_signal(pr);
1806 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1808 gboolean zoom_changed = FALSE;
1810 gint new_viewport_width = new_width;
1811 gint new_viewport_height = new_height;
1813 if (!pr->stereo_temp_disable)
1815 if (pr->stereo_mode & PR_STEREO_HORIZ)
1817 new_viewport_width = new_width / 2;
1819 else if (pr->stereo_mode & PR_STEREO_VERT)
1821 new_viewport_height = new_height / 2;
1823 else if (pr->stereo_mode & PR_STEREO_FIXED)
1825 new_viewport_width = pr->stereo_fixed_width;
1826 new_viewport_height = pr->stereo_fixed_height;
1830 if (pr->window_width == new_width && pr->window_height == new_height &&
1831 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1833 pr->window_width = new_width;
1834 pr->window_height = new_height;
1835 pr->viewport_width = new_viewport_width;
1836 pr->viewport_height = new_viewport_height;
1838 if (pr->zoom == 0.0)
1840 gdouble old_scale = pr->scale;
1841 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
1842 zoom_changed = (old_scale != pr->scale);
1846 pr_scroll_clamp(pr);
1850 pr->renderer->update_zoom(pr->renderer, FALSE);
1851 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
1854 pr->renderer->update_viewport(pr->renderer);
1855 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
1858 /* ensure scroller remains visible */
1859 if (pr->scroller_overlay != -1)
1861 gboolean update = FALSE;
1863 if (pr->scroller_x > new_width)
1865 pr->scroller_x = new_width;
1866 pr->scroller_xpos = new_width;
1869 if (pr->scroller_y > new_height)
1871 pr->scroller_y = new_height;
1872 pr->scroller_ypos = new_height;
1880 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1884 w = gdk_pixbuf_get_width(pixbuf);
1885 h = gdk_pixbuf_get_height(pixbuf);
1886 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1887 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1892 pr_scroll_notify_signal(pr);
1893 if (zoom_changed) pr_zoom_signal(pr);
1894 pr_update_signal(pr);
1897 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1899 PixbufRenderer *pr = data;
1901 pr_size_sync(pr, allocation->width, allocation->height);
1905 *-------------------------------------------------------------------
1907 *-------------------------------------------------------------------
1910 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1915 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1917 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1919 old_x = pr->x_scroll;
1920 old_y = pr->y_scroll;
1925 pr_scroll_clamp(pr);
1927 pixbuf_renderer_sync_scroll_center(pr);
1929 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1931 pr_scroll_notify_signal(pr);
1933 x_off = pr->x_scroll - old_x;
1934 y_off = pr->y_scroll - old_y;
1936 pr->renderer->scroll(pr->renderer, x_off, y_off);
1937 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1940 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1941 gdouble x_align, gdouble y_align)
1946 x_align = CLAMP(x_align, 0.0, 1.0);
1947 y_align = CLAMP(y_align, 0.0, 1.0);
1949 ax = (gdouble)pr->vis_width * x_align;
1950 ay = (gdouble)pr->vis_height * y_align;
1952 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1953 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1955 pixbuf_renderer_scroll(pr, px, py);
1958 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1960 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1962 *x = pr->norm_center_x;
1963 *y = pr->norm_center_y;
1966 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1968 gdouble dst_x, dst_y;
1970 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1971 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1973 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1974 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1976 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1980 *-------------------------------------------------------------------
1982 *-------------------------------------------------------------------
1985 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1989 #if GTK_CHECK_VERSION(3,0,0)
1990 GdkDeviceManager *device_manager;
1994 /* This is a hack, but work far the best, at least for single pointer systems.
1995 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
1997 #if GTK_CHECK_VERSION(3,0,0)
1998 device_manager = gdk_display_get_device_manager(gdk_window_get_display(event->window));
1999 device = gdk_device_manager_get_client_pointer(device_manager);
2000 gdk_window_get_device_position(event->window, device, &x, &y, NULL);
2002 gdk_window_get_pointer (event->window, &x, &y, NULL);
2007 pr = PIXBUF_RENDERER(widget);
2009 if (pr->scroller_id)
2011 pr->scroller_xpos = event->x;
2012 pr->scroller_ypos = event->y;
2015 pr->x_mouse = event->x;
2016 pr->y_mouse = event->y;
2017 pr_update_pixel_signal(pr);
2019 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2021 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2027 widget_set_cursor(widget, GDK_FLEUR);
2030 if (event->state & GDK_CONTROL_MASK)
2032 accel = PR_PAN_SHIFT_MULTIPLIER;
2040 pixbuf_renderer_scroll(pr, (pr->drag_last_x - event->x) * accel,
2041 (pr->drag_last_y - event->y) * accel);
2043 pr_drag_signal(pr, event);
2045 pr->drag_last_x = event->x;
2046 pr->drag_last_y = event->y;
2048 /* This is recommended by the GTK+ documentation, but does not work properly.
2049 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2050 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2052 /* gdk_event_request_motions (event); */
2056 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2060 pr = PIXBUF_RENDERER(widget);
2064 pr_update_pixel_signal(pr);
2068 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2073 pr = PIXBUF_RENDERER(widget);
2075 if (pr->scroller_id) return TRUE;
2077 switch (bevent->button)
2079 case MOUSE_BUTTON_LEFT:
2081 pr->drag_last_x = bevent->x;
2082 pr->drag_last_y = bevent->y;
2084 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2085 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2086 NULL, NULL, bevent->time);
2087 gtk_grab_add(widget);
2089 case MOUSE_BUTTON_MIDDLE:
2092 case MOUSE_BUTTON_RIGHT:
2093 pr_clicked_signal(pr, bevent);
2099 parent = gtk_widget_get_parent(widget);
2100 if (widget && gtk_widget_get_can_focus(parent))
2102 gtk_widget_grab_focus(parent);
2108 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2112 pr = PIXBUF_RENDERER(widget);
2114 if (pr->scroller_id)
2116 pr_scroller_stop(pr);
2120 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2122 gtk_grab_remove(widget);
2123 gdk_pointer_ungrab(bevent->time);
2124 widget_set_cursor(widget, -1);
2127 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2129 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2131 pr_scroller_start(pr, bevent->x, bevent->y);
2133 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2135 pr_clicked_signal(pr, bevent);
2139 pr->in_drag = FALSE;
2144 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2148 pr = PIXBUF_RENDERER(widget);
2150 if (pr->scroller_id)
2152 pr->scroller_xpos = pr->scroller_x;
2153 pr->scroller_ypos = pr->scroller_y;
2154 pr->scroller_xinc = 0;
2155 pr->scroller_yinc = 0;
2161 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2165 pr = PIXBUF_RENDERER(widget);
2167 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2170 static void pr_signals_connect(PixbufRenderer *pr)
2172 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2173 G_CALLBACK(pr_mouse_motion_cb), pr);
2174 g_signal_connect(G_OBJECT(pr), "button_press_event",
2175 G_CALLBACK(pr_mouse_press_cb), pr);
2176 g_signal_connect(G_OBJECT(pr), "button_release_event",
2177 G_CALLBACK(pr_mouse_release_cb), pr);
2178 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2179 G_CALLBACK(pr_mouse_leave_cb), pr);
2180 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2181 G_CALLBACK(pr_leave_notify_cb), pr);
2183 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2184 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
2185 GDK_LEAVE_NOTIFY_MASK);
2187 g_signal_connect(G_OBJECT(pr), "drag_begin",
2188 G_CALLBACK(pr_mouse_drag_cb), pr);
2193 *-------------------------------------------------------------------
2195 *-------------------------------------------------------------------
2198 #define COLOR_BYTES 3 /* rgb */
2199 #define RC 0 /* Red-Cyan */
2200 #define GM 1 /* Green-Magenta */
2201 #define YB 2 /* Yellow-Blue */
2203 static void pr_create_anaglyph_color(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2206 guchar *s_pix, *d_pix;
2211 srs = gdk_pixbuf_get_rowstride(right);
2212 s_pix = gdk_pixbuf_get_pixels(right);
2213 spi = s_pix + (x * COLOR_BYTES);
2215 drs = gdk_pixbuf_get_rowstride(pixbuf);
2216 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2217 dpi = d_pix + x * COLOR_BYTES;
2219 for (i = y; i < y + h; i++)
2221 sp = spi + (i * srs);
2222 dp = dpi + (i * drs);
2223 for (j = 0; j < w; j++)
2228 dp[0] = sp[0]; /* copy red channel */
2244 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2247 guchar *s_pix, *d_pix;
2251 const double gc[3] = {0.299, 0.587, 0.114};
2253 srs = gdk_pixbuf_get_rowstride(right);
2254 s_pix = gdk_pixbuf_get_pixels(right);
2255 spi = s_pix + (x * COLOR_BYTES);
2257 drs = gdk_pixbuf_get_rowstride(pixbuf);
2258 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2259 dpi = d_pix + x * COLOR_BYTES;
2261 for (i = y; i < y + h; i++)
2263 sp = spi + (i * srs);
2264 dp = dpi + (i * drs);
2265 for (j = 0; j < w; j++)
2267 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2268 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2272 dp[0] = g2; /* red channel from sp */
2273 dp[1] = g1; /* green and blue from dp */
2293 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2296 guchar *s_pix, *d_pix;
2300 double pr_dubois_matrix[3][6];
2301 const static double pr_dubois_matrix_RC[3][6] = {
2302 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2303 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2304 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}};
2305 const static double pr_dubois_matrix_GM[3][6] = {
2306 {-0.062, -0.158, -0.039, 0.529, 0.705, 0.024},
2307 { 0.284, 0.668, 0.143, -0.016, -0.015, -0.065},
2308 {-0.015, -0.027, 0.021, 0.009, 0.075, 0.937}};
2309 const static double pr_dubois_matrix_YB[3][6] = {
2310 { 1.000, -0.193, 0.282, -0.015, -0.116, -0.016},
2311 {-0.024, 0.855, 0.064, 0.006, 0.058, -0.016},
2312 {-0.036, -0.163, 0.021, 0.089, 0.174, 0.858}};
2317 memcpy(pr_dubois_matrix, pr_dubois_matrix_RC, sizeof pr_dubois_matrix);
2320 memcpy(pr_dubois_matrix, pr_dubois_matrix_GM, sizeof pr_dubois_matrix);
2323 memcpy(pr_dubois_matrix, pr_dubois_matrix_YB, sizeof pr_dubois_matrix);
2327 srs = gdk_pixbuf_get_rowstride(right);
2328 s_pix = gdk_pixbuf_get_pixels(right);
2329 spi = s_pix + (x * COLOR_BYTES);
2331 drs = gdk_pixbuf_get_rowstride(pixbuf);
2332 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2333 dpi = d_pix + x * COLOR_BYTES;
2335 for (i = y; i < y + h; i++)
2337 sp = spi + (i * srs);
2338 dp = dpi + (i * drs);
2339 for (j = 0; j < w; j++)
2342 for (k = 0; k < 3; k++)
2344 const double *m = pr_dubois_matrix[k];
2345 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];
2346 if (res[k] < 0.0) res[k] = 0;
2347 if (res[k] > 255.0) res[k] = 255.0;
2358 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2360 if (mode & PR_STEREO_ANAGLYPH_RC)
2361 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, RC);
2362 else if (mode & PR_STEREO_ANAGLYPH_GM)
2363 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, GM);
2364 else if (mode & PR_STEREO_ANAGLYPH_YB)
2365 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, YB);
2366 else if (mode & PR_STEREO_ANAGLYPH_GRAY_RC)
2367 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, RC);
2368 else if (mode & PR_STEREO_ANAGLYPH_GRAY_GM)
2369 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, GM);
2370 else if (mode & PR_STEREO_ANAGLYPH_GRAY_YB)
2371 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, YB);
2372 else if (mode & PR_STEREO_ANAGLYPH_DB_RC)
2373 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, RC);
2374 else if (mode & PR_STEREO_ANAGLYPH_DB_GM)
2375 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, GM);
2376 else if (mode & PR_STEREO_ANAGLYPH_DB_YB)
2377 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, YB);
2381 *-------------------------------------------------------------------
2383 *-------------------------------------------------------------------
2385 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2387 pr->stereo_pixbuf_offset_left = 0;
2388 pr->stereo_pixbuf_offset_right = 0;
2389 if (!pr->pixbuf) return;
2390 switch (pr->orientation)
2392 case EXIF_ORIENTATION_LEFT_TOP:
2393 case EXIF_ORIENTATION_RIGHT_TOP:
2394 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2395 case EXIF_ORIENTATION_LEFT_BOTTOM:
2396 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2397 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2398 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2400 pr->image_height /= 2;
2401 pr->stereo_pixbuf_offset_right = pr->image_height;
2403 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2405 pr->image_height /= 2;
2406 pr->stereo_pixbuf_offset_left = pr->image_height;
2411 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2412 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2413 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2415 pr->image_width /= 2;
2416 pr->stereo_pixbuf_offset_right = pr->image_width;
2418 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2420 pr->image_width /= 2;
2421 pr->stereo_pixbuf_offset_left = pr->image_width;
2426 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2428 if (pixbuf) g_object_ref(pixbuf);
2429 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2430 pr->pixbuf = pixbuf;
2434 /* no pixbuf so just clear the window */
2435 pr->image_width = 0;
2436 pr->image_height = 0;
2438 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2439 and used for pixbuf_renderer_zoom_get */
2441 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2442 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2444 pr_update_signal(pr);
2449 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2451 gint disable = !pr->pixbuf || ! pr->stereo_data;
2452 pr_stereo_temp_disable(pr, disable);
2455 pr_pixbuf_size_sync(pr);
2456 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2457 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2458 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2461 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2463 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2465 pr_source_tile_unset(pr);
2467 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2469 pr_update_signal(pr);
2472 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2474 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2476 pr_source_tile_unset(pr);
2478 pr->orientation = orientation;
2479 pr->stereo_data = stereo_data;
2480 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2482 pr_update_signal(pr);
2485 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2487 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2492 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2494 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2496 pr->orientation = orientation;
2498 pr_pixbuf_size_sync(pr);
2499 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2502 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2505 return pr->orientation;
2508 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2510 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2511 if (pr->stereo_data == stereo_data) return;
2514 pr->stereo_data = stereo_data;
2516 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2518 gint disable = !pr->pixbuf || ! pr->stereo_data;
2519 pr_stereo_temp_disable(pr, disable);
2521 pr_pixbuf_size_sync(pr);
2522 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2523 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2524 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2527 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2529 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2531 pr->func_post_process = func;
2532 pr->post_process_user_data = user_data;
2533 pr->post_process_slow = func && slow;
2538 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2541 PixbufRendererScrollResetType scroll_reset;
2543 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2544 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2546 if (pr == source) return;
2548 object = G_OBJECT(pr);
2550 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2551 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2552 g_object_set(object, "loading", source->loading, NULL);
2554 pr->complete = source->complete;
2556 pr->x_scroll = source->x_scroll;
2557 pr->y_scroll = source->y_scroll;
2558 pr->x_mouse = source->x_mouse;
2559 pr->y_mouse = source->y_mouse;
2561 scroll_reset = pr->scroll_reset;
2562 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2564 pr->func_post_process = source->func_post_process;
2565 pr->post_process_user_data = source->post_process_user_data;
2566 pr->post_process_slow = source->post_process_slow;
2567 pr->orientation = source->orientation;
2568 pr->stereo_data = source->stereo_data;
2570 if (source->source_tiles_enabled)
2572 pr_source_tile_unset(pr);
2574 pr->source_tiles_enabled = source->source_tiles_enabled;
2575 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2576 pr->source_tile_width = source->source_tile_width;
2577 pr->source_tile_height = source->source_tile_height;
2578 pr->image_width = source->image_width;
2579 pr->image_height = source->image_height;
2581 pr->func_tile_request = source->func_tile_request;
2582 pr->func_tile_dispose = source->func_tile_dispose;
2583 pr->func_tile_data = source->func_tile_data;
2585 pr->source_tiles = source->source_tiles;
2586 source->source_tiles = NULL;
2588 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2592 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2595 pr->scroll_reset = scroll_reset;
2597 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2600 void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source)
2603 PixbufRendererScrollResetType scroll_reset;
2605 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2606 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2608 if (pr == source) return;
2610 object = G_OBJECT(pr);
2612 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2613 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2614 g_object_set(object, "loading", source->loading, NULL);
2616 pr->complete = source->complete;
2618 pr->x_scroll = source->x_scroll;
2619 pr->y_scroll = source->y_scroll;
2620 pr->x_mouse = source->x_mouse;
2621 pr->y_mouse = source->y_mouse;
2623 scroll_reset = pr->scroll_reset;
2624 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2626 pr->orientation = source->orientation;
2627 pr->stereo_data = source->stereo_data;
2629 if (source->source_tiles_enabled)
2631 pr->source_tiles_enabled = source->source_tiles_enabled;
2632 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2633 pr->source_tile_width = source->source_tile_width;
2634 pr->source_tile_height = source->source_tile_height;
2635 pr->image_width = source->image_width;
2636 pr->image_height = source->image_height;
2638 pr->func_tile_request = source->func_tile_request;
2639 pr->func_tile_dispose = source->func_tile_dispose;
2640 pr->func_tile_data = source->func_tile_data;
2642 pr->source_tiles = source->source_tiles;
2643 source->source_tiles = NULL;
2645 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2649 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2652 pr->scroll_reset = scroll_reset;
2655 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2657 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2659 if (pr->source_tiles_enabled)
2661 pr_source_tile_changed(pr, x, y, w, h);
2664 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2665 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2668 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2670 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2672 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2675 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2677 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2679 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2682 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2684 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2686 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2689 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2691 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2696 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2698 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2703 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2705 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2707 if (min > 1.0 || max < 1.0) return;
2708 if (min < 1.0 && min > -1.0) return;
2709 if (min < -200.0 || max > 200.0) return;
2711 if (pr->zoom_min != min)
2714 g_object_notify(G_OBJECT(pr), "zoom_min");
2716 if (pr->zoom_max != max)
2719 g_object_notify(G_OBJECT(pr), "zoom_max");
2723 static void pr_stereo_set(PixbufRenderer *pr)
2725 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2727 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2729 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2731 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2732 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2736 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2737 pr->renderer2 = NULL;
2739 if (pr->stereo_mode & PR_STEREO_HALF)
2741 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2742 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2743 else pr->aspect_ratio = 1.0;
2747 pr->aspect_ratio = 1.0;
2751 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2753 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2754 pr->stereo_mode = stereo_mode;
2755 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2757 pr->stereo_temp_disable = FALSE;
2763 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2764 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2768 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2770 pr->stereo_fixed_width = width;
2771 pr->stereo_fixed_height = height;
2772 pr->stereo_fixed_x_left = x1;
2773 pr->stereo_fixed_y_left = y1;
2774 pr->stereo_fixed_x_right = x2;
2775 pr->stereo_fixed_y_right = y2;
2778 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2780 return pr->stereo_mode;
2783 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2785 if (pr->stereo_temp_disable == disable) return;
2786 pr->stereo_temp_disable = disable;
2789 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2790 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2791 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2792 pr->renderer2 = NULL;
2793 pr->aspect_ratio = 1.0;
2799 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2802 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2803 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2805 GdkPixbuf *pb = pr->pixbuf;
2808 gint map_x, map_y, map_w, map_h;
2811 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2812 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2814 if (!pr->pixbuf && !pr->source_tiles_enabled)
2822 if (!pb) return FALSE;
2824 pr_tile_region_map_orientation(pr->orientation,
2826 pr->image_width, pr->image_height,
2827 1, 1, /*single pixel */
2831 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2832 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2834 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2835 prs = gdk_pixbuf_get_rowstride(pb);
2836 p_pix = gdk_pixbuf_get_pixels(pb);
2838 xoff = (size_t)map_x * (p_alpha ? 4 : 3);
2839 yoff = (size_t)map_y * prs;
2840 pp = p_pix + yoff + xoff;
2850 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2852 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2854 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2855 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2857 if (!pr->pixbuf && !pr->source_tiles_enabled)
2859 *x_pixel_return = -1;
2860 *y_pixel_return = -1;
2864 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2865 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2866 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2867 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2869 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2871 /* mouse is not on pr */
2872 x_pixel = y_pixel = -1;
2875 *x_pixel_return = x_pixel;
2876 *y_pixel_return = y_pixel;
2881 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2883 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2884 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2886 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2893 *width = pr->image_width;
2894 *height = pr->image_height;
2898 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2900 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2901 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2903 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2911 *height = pr->height;
2915 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2917 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2918 g_return_val_if_fail(rect != NULL, FALSE);
2920 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2930 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2931 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2932 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2933 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2937 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2939 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2940 g_return_val_if_fail(rect != NULL, FALSE);
2942 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2951 rect->x = pr->x_scroll;
2952 rect->y = pr->y_scroll;
2953 rect->width = pr->vis_width;
2954 rect->height = pr->vis_height;
2958 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2961 /* FIXME: this function does not consider the image orientation,
2962 so it probably only breaks something */
2966 zoom = pixbuf_renderer_zoom_get(pr);
2967 pr->image_width = width;
2968 pr->image_height = height;
2970 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2975 //pr->width = width;
2976 //pr->height = height;
2980 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */