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 && !options->disable_gpu)
407 return renderer_clutter_new(pr);
409 log_printf("Warning: 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)
923 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
927 pr->color.red = color->red;
928 pr->color.green = color->green;
929 pr->color.blue = color->blue;
938 pr->renderer->update_viewport(pr->renderer);
939 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
943 *-------------------------------------------------------------------
945 *-------------------------------------------------------------------
948 static void pr_source_tile_free(SourceTile *st)
952 if (st->pixbuf) g_object_unref(st->pixbuf);
956 static void pr_source_tile_free_all(PixbufRenderer *pr)
960 work = pr->source_tiles;
968 pr_source_tile_free(st);
971 g_list_free(pr->source_tiles);
972 pr->source_tiles = NULL;
975 static void pr_source_tile_unset(PixbufRenderer *pr)
977 pr_source_tile_free_all(pr);
978 pr->source_tiles_enabled = FALSE;
981 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
985 if (!st) return FALSE;
987 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
988 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
989 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
990 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
993 x2 = pr->x_scroll + pr->vis_width;
994 y2 = pr->y_scroll + pr->vis_height;
996 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
997 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
998 (gdouble)st->y * pr->scale > (gdouble)y2 ||
999 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1002 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1004 SourceTile *st = NULL;
1007 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1009 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1011 count = g_list_length(pr->source_tiles);
1012 if (count >= pr->source_tiles_cache_size)
1016 work = g_list_last(pr->source_tiles);
1017 while (work && count >= pr->source_tiles_cache_size)
1021 needle = work->data;
1024 if (!pr_source_tile_visible(pr, needle))
1026 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1028 if (pr->func_tile_dispose)
1030 pr->func_tile_dispose(pr, needle->x, needle->y,
1031 pr->source_tile_width, pr->source_tile_height,
1032 needle->pixbuf, pr->func_tile_data);
1041 pr_source_tile_free(needle);
1051 st = g_new0(SourceTile, 1);
1052 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1053 pr->source_tile_width, pr->source_tile_height);
1056 st->x = ROUND_DOWN(x, pr->source_tile_width);
1057 st->y = ROUND_DOWN(y, pr->source_tile_height);
1060 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1065 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1069 st = pr_source_tile_new(pr, x, y);
1070 if (!st) return NULL;
1072 if (pr->func_tile_request &&
1073 pr->func_tile_request(pr, st->x, st->y,
1074 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1079 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1080 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1081 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1082 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1086 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1090 work = pr->source_tiles;
1093 SourceTile *st = work->data;
1095 if (x >= st->x && x < st->x + pr->source_tile_width &&
1096 y >= st->y && y < st->y + pr->source_tile_height)
1098 if (work != pr->source_tiles)
1100 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1101 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1112 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1120 if (w > pr->image_width) w = pr->image_width;
1121 if (h > pr->image_height) h = pr->image_height;
1123 sx = ROUND_DOWN(x, pr->source_tile_width);
1124 sy = ROUND_DOWN(y, pr->source_tile_height);
1126 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1128 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1132 st = pr_source_tile_find(pr, x1, y1);
1133 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1135 if (st) list = g_list_prepend(list, st);
1139 return g_list_reverse(list);
1142 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1146 if (width < 1 || height < 1) return;
1148 work = pr->source_tiles;
1152 gint rx, ry, rw, rh;
1157 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1158 x, y, width, height,
1159 &rx, &ry, &rw, &rh))
1163 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1164 if (pr->func_tile_request &&
1165 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1167 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1168 rw * pr->scale, rh * pr->scale);
1169 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1170 rw * pr->scale, rh * pr->scale);
1172 g_object_unref(pixbuf);
1177 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1178 gint tile_width, gint tile_height, gint cache_size,
1179 PixbufRendererTileRequestFunc func_request,
1180 PixbufRendererTileDisposeFunc func_dispose,
1184 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1185 g_return_if_fail(tile_width >= 32 && tile_height >= 32);
1186 g_return_if_fail(width >= 32 && height > 32);
1187 g_return_if_fail(func_request != NULL);
1189 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1192 pr_source_tile_unset(pr);
1194 if (cache_size < 4) cache_size = 4;
1196 pr->source_tiles_enabled = TRUE;
1197 pr->source_tiles_cache_size = cache_size;
1198 pr->source_tile_width = tile_width;
1199 pr->source_tile_height = tile_height;
1201 pr->image_width = width;
1202 pr->image_height = height;
1204 pr->func_tile_request = func_request;
1205 pr->func_tile_dispose = func_dispose;
1206 pr->func_tile_data = user_data;
1208 pr_stereo_temp_disable(pr, TRUE);
1209 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1212 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1214 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1215 g_return_if_fail(width >= 32 && height > 32);
1217 if (!pr->source_tiles_enabled) return;
1218 if (pr->image_width == width && pr->image_height == height) return;
1220 pr->image_width = width;
1221 pr->image_height = height;
1223 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1226 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1228 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1230 return pr->source_tiles_enabled;
1233 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1234 PrZoomFlags flags, gint x, gint y)
1236 gdouble zoom = pr->zoom;
1238 if (increment == 0.0) return;
1242 if (pr->scale < 1.0)
1244 zoom = 0.0 - 1.0 / pr->scale;
1252 if (increment < 0.0)
1256 if (zoom / -(increment - 1.0) < 1.0)
1258 zoom = 1.0 / (zoom / (increment - 1.0));
1262 zoom = zoom / -(increment - 1.0) ;
1267 zoom = zoom * -(increment - 1.0);
1274 if (zoom / (increment + 1.0) > -1.0)
1276 zoom = -(1.0 / (zoom / (increment + 1.0)));
1280 zoom = zoom / (increment + 1.0) ;
1285 zoom = zoom * (increment + 1.0);
1289 pr_zoom_sync(pr, zoom, flags, x, y);
1294 *-------------------------------------------------------------------
1296 *-------------------------------------------------------------------
1299 static void pr_update_signal(PixbufRenderer *pr)
1301 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1302 pr->debug_updated = TRUE;
1305 static void pr_zoom_signal(PixbufRenderer *pr)
1307 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1310 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1312 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1315 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1317 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1320 void pr_render_complete_signal(PixbufRenderer *pr)
1324 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1325 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1327 if (pr->debug_updated)
1329 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1330 pr->debug_updated = FALSE;
1334 static void pr_drag_signal(PixbufRenderer *pr, GdkEventMotion *event)
1336 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, event);
1339 static void pr_update_pixel_signal(PixbufRenderer *pr)
1341 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1345 *-------------------------------------------------------------------
1347 *-------------------------------------------------------------------
1351 void pr_tile_coords_map_orientation(gint orientation,
1352 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1353 gdouble image_w, gdouble image_h,
1354 gdouble tile_w, gdouble tile_h,
1355 gdouble *res_x, gdouble *res_y)
1359 switch (orientation)
1361 case EXIF_ORIENTATION_TOP_LEFT:
1362 /* normal -- nothing to do */
1364 case EXIF_ORIENTATION_TOP_RIGHT:
1366 *res_x = image_w - tile_x - tile_w;
1368 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1370 *res_x = image_w - tile_x - tile_w;
1371 *res_y = image_h - tile_y - tile_h;
1373 case EXIF_ORIENTATION_BOTTOM_LEFT:
1375 *res_y = image_h - tile_y - tile_h;
1377 case EXIF_ORIENTATION_LEFT_TOP:
1381 case EXIF_ORIENTATION_RIGHT_TOP:
1382 /* rotated -90 (270) */
1384 *res_y = image_w - tile_x - tile_w;
1386 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1387 *res_x = image_h - tile_y - tile_h;
1388 *res_y = image_w - tile_x - tile_w;
1390 case EXIF_ORIENTATION_LEFT_BOTTOM:
1392 *res_x = image_h - tile_y - tile_h;
1396 /* The other values are out of range */
1399 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1402 void pr_tile_region_map_orientation(gint orientation,
1403 gint area_x, gint area_y, /* coordinates of the area inside tile */
1404 gint tile_w, gint tile_h,
1405 gint area_w, gint area_h,
1406 gint *res_x, gint *res_y,
1407 gint *res_w, gint *res_h)
1414 switch (orientation)
1416 case EXIF_ORIENTATION_TOP_LEFT:
1417 /* normal -- nothing to do */
1419 case EXIF_ORIENTATION_TOP_RIGHT:
1421 *res_x = tile_w - area_x - area_w;
1423 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1425 *res_x = tile_w - area_x - area_w;
1426 *res_y = tile_h - area_y - area_h;
1428 case EXIF_ORIENTATION_BOTTOM_LEFT:
1430 *res_y = tile_h - area_y - area_h;
1432 case EXIF_ORIENTATION_LEFT_TOP:
1438 case EXIF_ORIENTATION_RIGHT_TOP:
1439 /* rotated -90 (270) */
1441 *res_y = tile_w - area_x - area_w;
1445 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1446 *res_x = tile_h - area_y - area_h;
1447 *res_y = tile_w - area_x - area_w;
1451 case EXIF_ORIENTATION_LEFT_BOTTOM:
1453 *res_x = tile_h - area_y - area_h;
1459 /* The other values are out of range */
1462 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1465 void pr_coords_map_orientation_reverse(gint orientation,
1466 gint area_x, gint area_y,
1467 gint tile_w, gint tile_h,
1468 gint area_w, gint area_h,
1469 gint *res_x, gint *res_y,
1470 gint *res_w, gint *res_h)
1477 switch (orientation)
1479 case EXIF_ORIENTATION_TOP_LEFT:
1480 /* normal -- nothing to do */
1482 case EXIF_ORIENTATION_TOP_RIGHT:
1484 *res_x = tile_w - area_x - area_w;
1486 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1488 *res_x = tile_w - area_x - area_w;
1489 *res_y = tile_h - area_y - area_h;
1491 case EXIF_ORIENTATION_BOTTOM_LEFT:
1493 *res_y = tile_h - area_y - area_h;
1495 case EXIF_ORIENTATION_LEFT_TOP:
1501 case EXIF_ORIENTATION_RIGHT_TOP:
1502 /* rotated -90 (270) */
1503 *res_x = tile_w - area_y - area_h;
1508 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1509 *res_x = tile_w - area_y - area_h;
1510 *res_y = tile_h - area_x - area_w;
1514 case EXIF_ORIENTATION_LEFT_BOTTOM:
1517 *res_y = tile_h - area_x - area_w;
1522 /* The other values are out of range */
1529 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1532 if (!pr->width || !pr->height) return;
1535 * Update norm_center only if the image is bigger than the window.
1536 * With this condition the stored center survives also a temporary display
1537 * of the "broken image" icon.
1540 if (pr->width > pr->viewport_width)
1542 src_x = pr->x_scroll + pr->vis_width / 2;
1543 pr->norm_center_x = (gdouble)src_x / pr->width;
1546 if (pr->height > pr->viewport_height)
1548 src_y = pr->y_scroll + pr->vis_height / 2;
1549 pr->norm_center_y = (gdouble)src_y / pr->height;
1554 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1559 if (pr->zoom == 0.0)
1567 old_xs = pr->x_scroll;
1568 old_ys = pr->y_scroll;
1570 if (pr->x_offset > 0)
1576 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1579 if (pr->y_offset > 0)
1585 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1588 pixbuf_renderer_sync_scroll_center(pr);
1590 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1593 static gboolean pr_size_clamp(PixbufRenderer *pr)
1595 gint old_vw, old_vh;
1597 old_vw = pr->vis_width;
1598 old_vh = pr->vis_height;
1600 if (pr->width < pr->viewport_width)
1602 pr->vis_width = pr->width;
1603 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1607 pr->vis_width = pr->viewport_width;
1611 if (pr->height < pr->viewport_height)
1613 pr->vis_height = pr->height;
1614 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1618 pr->vis_height = pr->viewport_height;
1622 pixbuf_renderer_sync_scroll_center(pr);
1624 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1627 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1632 gboolean force = !!(flags & PR_ZOOM_FORCE);
1633 gboolean new = !!(flags & PR_ZOOM_NEW);
1635 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1637 if (pr->zoom == zoom && !force) return FALSE;
1639 w = pr->image_width;
1640 h = pr->image_height;
1642 if (zoom == 0.0 && !pr->pixbuf)
1646 else if (zoom == 0.0)
1652 sizeable = (new && pr_parent_window_sizable(pr));
1656 max_w = gdk_screen_width();
1657 max_h = gdk_screen_height();
1659 if (pr->window_limit)
1661 max_w = max_w * pr->window_limit_size / 100;
1662 max_h = max_h * pr->window_limit_size / 100;
1667 max_w = pr->viewport_width;
1668 max_h = pr->viewport_height;
1671 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1673 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1675 scale = (gdouble)max_h / h / pr->aspect_ratio;
1677 w = w * scale + 0.5;
1678 if (w > max_w) w = max_w;
1682 scale = (gdouble)max_w / w;
1684 h = h * scale * pr->aspect_ratio + 0.5;
1685 if (h > max_h) h = max_h;
1688 if (pr->autofit_limit)
1690 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1691 w = w * factor + 0.5;
1692 h = h * factor + 0.5;
1693 scale = scale * factor;
1696 if (pr->zoom_expand)
1698 gdouble factor = (gdouble)pr->enlargement_limit_size / 100;
1701 w = w * factor / scale;
1702 h = h * factor / scale;
1715 else if (zoom > 0.0) /* zoom orig, in */
1719 h = h * scale * pr->aspect_ratio;
1723 scale = 1.0 / (0.0 - zoom);
1725 h = h * scale * pr->aspect_ratio;
1736 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1737 PrZoomFlags flags, gint px, gint py)
1740 gint old_cx, old_cy;
1741 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1742 gboolean force = !!(flags & PR_ZOOM_FORCE);
1743 gboolean new = !!(flags & PR_ZOOM_NEW);
1744 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1745 PrZoomFlags clamp_flags = flags;
1746 gdouble old_center_x = pr->norm_center_x;
1747 gdouble old_center_y = pr->norm_center_y;
1749 old_scale = pr->scale;
1752 px = CLAMP(px, 0, pr->width);
1753 py = CLAMP(py, 0, pr->height);
1754 old_cx = pr->x_scroll + (px - pr->x_offset);
1755 old_cy = pr->y_scroll + (py - pr->y_offset);
1760 old_cx = pr->x_scroll + pr->vis_width / 2;
1761 old_cy = pr->y_scroll + pr->vis_height / 2;
1764 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1765 (void) pr_parent_window_resize(pr, pr->width, pr->height);
1766 if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
1768 (void) pr_size_clamp(pr);
1772 switch (pr->scroll_reset)
1774 case PR_SCROLL_RESET_NOCHANGE:
1775 /* maintain old scroll position */
1776 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1777 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1779 case PR_SCROLL_RESET_CENTER:
1780 /* center new image */
1781 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1782 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1784 case PR_SCROLL_RESET_TOPLEFT:
1786 /* reset to upper left */
1794 /* user zoom does not force, so keep visible center point */
1797 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1798 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1802 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1803 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1807 pr_scroll_clamp(pr);
1809 pr->renderer->update_zoom(pr->renderer, lazy);
1810 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1812 pr_scroll_notify_signal(pr);
1814 pr_update_signal(pr);
1817 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1819 gboolean zoom_changed = FALSE;
1821 gint new_viewport_width = new_width;
1822 gint new_viewport_height = new_height;
1824 if (!pr->stereo_temp_disable)
1826 if (pr->stereo_mode & PR_STEREO_HORIZ)
1828 new_viewport_width = new_width / 2;
1830 else if (pr->stereo_mode & PR_STEREO_VERT)
1832 new_viewport_height = new_height / 2;
1834 else if (pr->stereo_mode & PR_STEREO_FIXED)
1836 new_viewport_width = pr->stereo_fixed_width;
1837 new_viewport_height = pr->stereo_fixed_height;
1841 if (pr->window_width == new_width && pr->window_height == new_height &&
1842 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1844 pr->window_width = new_width;
1845 pr->window_height = new_height;
1846 pr->viewport_width = new_viewport_width;
1847 pr->viewport_height = new_viewport_height;
1849 if (pr->zoom == 0.0)
1851 gdouble old_scale = pr->scale;
1852 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
1853 zoom_changed = (old_scale != pr->scale);
1857 pr_scroll_clamp(pr);
1861 pr->renderer->update_zoom(pr->renderer, FALSE);
1862 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
1865 pr->renderer->update_viewport(pr->renderer);
1866 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
1869 /* ensure scroller remains visible */
1870 if (pr->scroller_overlay != -1)
1872 gboolean update = FALSE;
1874 if (pr->scroller_x > new_width)
1876 pr->scroller_x = new_width;
1877 pr->scroller_xpos = new_width;
1880 if (pr->scroller_y > new_height)
1882 pr->scroller_y = new_height;
1883 pr->scroller_ypos = new_height;
1891 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1895 w = gdk_pixbuf_get_width(pixbuf);
1896 h = gdk_pixbuf_get_height(pixbuf);
1897 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1898 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1903 pr_scroll_notify_signal(pr);
1904 if (zoom_changed) pr_zoom_signal(pr);
1905 pr_update_signal(pr);
1908 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1910 PixbufRenderer *pr = data;
1912 pr_size_sync(pr, allocation->width, allocation->height);
1916 *-------------------------------------------------------------------
1918 *-------------------------------------------------------------------
1921 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1926 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1928 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1930 old_x = pr->x_scroll;
1931 old_y = pr->y_scroll;
1936 pr_scroll_clamp(pr);
1938 pixbuf_renderer_sync_scroll_center(pr);
1940 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1942 pr_scroll_notify_signal(pr);
1944 x_off = pr->x_scroll - old_x;
1945 y_off = pr->y_scroll - old_y;
1947 pr->renderer->scroll(pr->renderer, x_off, y_off);
1948 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1951 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1952 gdouble x_align, gdouble y_align)
1957 x_align = CLAMP(x_align, 0.0, 1.0);
1958 y_align = CLAMP(y_align, 0.0, 1.0);
1960 ax = (gdouble)pr->vis_width * x_align;
1961 ay = (gdouble)pr->vis_height * y_align;
1963 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1964 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1966 pixbuf_renderer_scroll(pr, px, py);
1969 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1971 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1973 *x = pr->norm_center_x;
1974 *y = pr->norm_center_y;
1977 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1979 gdouble dst_x, dst_y;
1981 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1982 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1984 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1985 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1987 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1991 *-------------------------------------------------------------------
1993 *-------------------------------------------------------------------
1996 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
2000 #if GTK_CHECK_VERSION(3,0,0)
2001 GdkDeviceManager *device_manager;
2005 /* This is a hack, but work far the best, at least for single pointer systems.
2006 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
2008 #if GTK_CHECK_VERSION(3,0,0)
2009 device_manager = gdk_display_get_device_manager(gdk_window_get_display(event->window));
2010 device = gdk_device_manager_get_client_pointer(device_manager);
2011 gdk_window_get_device_position(event->window, device, &x, &y, NULL);
2013 gdk_window_get_pointer (event->window, &x, &y, NULL);
2018 pr = PIXBUF_RENDERER(widget);
2020 if (pr->scroller_id)
2022 pr->scroller_xpos = event->x;
2023 pr->scroller_ypos = event->y;
2026 pr->x_mouse = event->x;
2027 pr->y_mouse = event->y;
2028 pr_update_pixel_signal(pr);
2030 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2032 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2038 widget_set_cursor(widget, GDK_FLEUR);
2041 if (event->state & GDK_CONTROL_MASK)
2043 accel = PR_PAN_SHIFT_MULTIPLIER;
2050 /* do the scroll - not when drawing rectangle*/
2051 if (!options->draw_rectangle)
2053 pixbuf_renderer_scroll(pr, (pr->drag_last_x - event->x) * accel,
2054 (pr->drag_last_y - event->y) * accel);
2056 pr_drag_signal(pr, event);
2058 pr->drag_last_x = event->x;
2059 pr->drag_last_y = event->y;
2061 /* This is recommended by the GTK+ documentation, but does not work properly.
2062 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2063 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2065 /* gdk_event_request_motions (event); */
2069 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2073 pr = PIXBUF_RENDERER(widget);
2077 pr_update_pixel_signal(pr);
2081 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2086 pr = PIXBUF_RENDERER(widget);
2088 if (pr->scroller_id) return TRUE;
2090 switch (bevent->button)
2092 case MOUSE_BUTTON_LEFT:
2094 pr->drag_last_x = bevent->x;
2095 pr->drag_last_y = bevent->y;
2097 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2098 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2099 NULL, NULL, bevent->time);
2100 gtk_grab_add(widget);
2102 case MOUSE_BUTTON_MIDDLE:
2105 case MOUSE_BUTTON_RIGHT:
2106 pr_clicked_signal(pr, bevent);
2112 parent = gtk_widget_get_parent(widget);
2113 if (widget && gtk_widget_get_can_focus(parent))
2115 gtk_widget_grab_focus(parent);
2121 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2125 pr = PIXBUF_RENDERER(widget);
2127 if (pr->scroller_id)
2129 pr_scroller_stop(pr);
2133 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2135 gtk_grab_remove(widget);
2136 gdk_pointer_ungrab(bevent->time);
2137 widget_set_cursor(widget, -1);
2140 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2142 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2144 pr_scroller_start(pr, bevent->x, bevent->y);
2146 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2148 pr_clicked_signal(pr, bevent);
2152 pr->in_drag = FALSE;
2157 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2161 pr = PIXBUF_RENDERER(widget);
2163 if (pr->scroller_id)
2165 pr->scroller_xpos = pr->scroller_x;
2166 pr->scroller_ypos = pr->scroller_y;
2167 pr->scroller_xinc = 0;
2168 pr->scroller_yinc = 0;
2174 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2178 pr = PIXBUF_RENDERER(widget);
2180 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2183 static void pr_signals_connect(PixbufRenderer *pr)
2185 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2186 G_CALLBACK(pr_mouse_motion_cb), pr);
2187 g_signal_connect(G_OBJECT(pr), "button_press_event",
2188 G_CALLBACK(pr_mouse_press_cb), pr);
2189 g_signal_connect(G_OBJECT(pr), "button_release_event",
2190 G_CALLBACK(pr_mouse_release_cb), pr);
2191 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2192 G_CALLBACK(pr_mouse_leave_cb), pr);
2193 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2194 G_CALLBACK(pr_leave_notify_cb), pr);
2196 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2197 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
2198 GDK_LEAVE_NOTIFY_MASK);
2200 g_signal_connect(G_OBJECT(pr), "drag_begin",
2201 G_CALLBACK(pr_mouse_drag_cb), pr);
2206 *-------------------------------------------------------------------
2208 *-------------------------------------------------------------------
2211 #define COLOR_BYTES 3 /* rgb */
2212 #define RC 0 /* Red-Cyan */
2213 #define GM 1 /* Green-Magenta */
2214 #define YB 2 /* Yellow-Blue */
2216 static void pr_create_anaglyph_color(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2219 guchar *s_pix, *d_pix;
2224 srs = gdk_pixbuf_get_rowstride(right);
2225 s_pix = gdk_pixbuf_get_pixels(right);
2226 spi = s_pix + (x * COLOR_BYTES);
2228 drs = gdk_pixbuf_get_rowstride(pixbuf);
2229 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2230 dpi = d_pix + x * COLOR_BYTES;
2232 for (i = y; i < y + h; i++)
2234 sp = spi + (i * srs);
2235 dp = dpi + (i * drs);
2236 for (j = 0; j < w; j++)
2241 dp[0] = sp[0]; /* copy red channel */
2257 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2260 guchar *s_pix, *d_pix;
2264 const double gc[3] = {0.299, 0.587, 0.114};
2266 srs = gdk_pixbuf_get_rowstride(right);
2267 s_pix = gdk_pixbuf_get_pixels(right);
2268 spi = s_pix + (x * COLOR_BYTES);
2270 drs = gdk_pixbuf_get_rowstride(pixbuf);
2271 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2272 dpi = d_pix + x * COLOR_BYTES;
2274 for (i = y; i < y + h; i++)
2276 sp = spi + (i * srs);
2277 dp = dpi + (i * drs);
2278 for (j = 0; j < w; j++)
2280 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2281 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2285 dp[0] = g2; /* red channel from sp */
2286 dp[1] = g1; /* green and blue from dp */
2306 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2309 guchar *s_pix, *d_pix;
2313 double pr_dubois_matrix[3][6];
2314 static const double pr_dubois_matrix_RC[3][6] = {
2315 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2316 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2317 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}};
2318 static const double pr_dubois_matrix_GM[3][6] = {
2319 {-0.062, -0.158, -0.039, 0.529, 0.705, 0.024},
2320 { 0.284, 0.668, 0.143, -0.016, -0.015, -0.065},
2321 {-0.015, -0.027, 0.021, 0.009, 0.075, 0.937}};
2322 static const double pr_dubois_matrix_YB[3][6] = {
2323 { 1.000, -0.193, 0.282, -0.015, -0.116, -0.016},
2324 {-0.024, 0.855, 0.064, 0.006, 0.058, -0.016},
2325 {-0.036, -0.163, 0.021, 0.089, 0.174, 0.858}};
2330 memcpy(pr_dubois_matrix, pr_dubois_matrix_RC, sizeof pr_dubois_matrix);
2333 memcpy(pr_dubois_matrix, pr_dubois_matrix_GM, sizeof pr_dubois_matrix);
2336 memcpy(pr_dubois_matrix, pr_dubois_matrix_YB, sizeof pr_dubois_matrix);
2340 srs = gdk_pixbuf_get_rowstride(right);
2341 s_pix = gdk_pixbuf_get_pixels(right);
2342 spi = s_pix + (x * COLOR_BYTES);
2344 drs = gdk_pixbuf_get_rowstride(pixbuf);
2345 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2346 dpi = d_pix + x * COLOR_BYTES;
2348 for (i = y; i < y + h; i++)
2350 sp = spi + (i * srs);
2351 dp = dpi + (i * drs);
2352 for (j = 0; j < w; j++)
2355 for (k = 0; k < 3; k++)
2357 const double *m = pr_dubois_matrix[k];
2358 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];
2359 if (res[k] < 0.0) res[k] = 0;
2360 if (res[k] > 255.0) res[k] = 255.0;
2371 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2373 if (mode & PR_STEREO_ANAGLYPH_RC)
2374 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, RC);
2375 else if (mode & PR_STEREO_ANAGLYPH_GM)
2376 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, GM);
2377 else if (mode & PR_STEREO_ANAGLYPH_YB)
2378 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, YB);
2379 else if (mode & PR_STEREO_ANAGLYPH_GRAY_RC)
2380 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, RC);
2381 else if (mode & PR_STEREO_ANAGLYPH_GRAY_GM)
2382 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, GM);
2383 else if (mode & PR_STEREO_ANAGLYPH_GRAY_YB)
2384 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, YB);
2385 else if (mode & PR_STEREO_ANAGLYPH_DB_RC)
2386 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, RC);
2387 else if (mode & PR_STEREO_ANAGLYPH_DB_GM)
2388 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, GM);
2389 else if (mode & PR_STEREO_ANAGLYPH_DB_YB)
2390 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, YB);
2394 *-------------------------------------------------------------------
2396 *-------------------------------------------------------------------
2398 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2400 pr->stereo_pixbuf_offset_left = 0;
2401 pr->stereo_pixbuf_offset_right = 0;
2402 if (!pr->pixbuf) return;
2403 switch (pr->orientation)
2405 case EXIF_ORIENTATION_LEFT_TOP:
2406 case EXIF_ORIENTATION_RIGHT_TOP:
2407 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2408 case EXIF_ORIENTATION_LEFT_BOTTOM:
2409 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2410 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2411 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2413 pr->image_height /= 2;
2414 pr->stereo_pixbuf_offset_right = pr->image_height;
2416 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2418 pr->image_height /= 2;
2419 pr->stereo_pixbuf_offset_left = pr->image_height;
2424 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2425 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2426 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2428 pr->image_width /= 2;
2429 pr->stereo_pixbuf_offset_right = pr->image_width;
2431 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2433 pr->image_width /= 2;
2434 pr->stereo_pixbuf_offset_left = pr->image_width;
2439 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2441 if (pixbuf) g_object_ref(pixbuf);
2442 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2443 pr->pixbuf = pixbuf;
2447 /* no pixbuf so just clear the window */
2448 pr->image_width = 0;
2449 pr->image_height = 0;
2451 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2452 and used for pixbuf_renderer_zoom_get */
2454 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2455 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2457 pr_update_signal(pr);
2462 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2464 gint disable = !pr->pixbuf || ! pr->stereo_data;
2465 pr_stereo_temp_disable(pr, disable);
2468 pr_pixbuf_size_sync(pr);
2469 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2470 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2471 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2474 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2476 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2478 pr_source_tile_unset(pr);
2480 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2482 pr_update_signal(pr);
2485 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2487 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2489 pr_source_tile_unset(pr);
2491 pr->orientation = orientation;
2492 pr->stereo_data = stereo_data;
2493 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2495 pr_update_signal(pr);
2498 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2500 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2505 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2507 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2509 pr->orientation = orientation;
2511 pr_pixbuf_size_sync(pr);
2512 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2515 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2518 return pr->orientation;
2521 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2523 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2524 if (pr->stereo_data == stereo_data) return;
2527 pr->stereo_data = stereo_data;
2529 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2531 gint disable = !pr->pixbuf || ! pr->stereo_data;
2532 pr_stereo_temp_disable(pr, disable);
2534 pr_pixbuf_size_sync(pr);
2535 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2536 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2537 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2540 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2542 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2544 pr->func_post_process = func;
2545 pr->post_process_user_data = user_data;
2546 pr->post_process_slow = func && slow;
2551 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2554 PixbufRendererScrollResetType scroll_reset;
2556 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2557 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2559 if (pr == source) return;
2561 object = G_OBJECT(pr);
2563 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2564 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2565 g_object_set(object, "loading", source->loading, NULL);
2567 pr->complete = source->complete;
2569 pr->x_scroll = source->x_scroll;
2570 pr->y_scroll = source->y_scroll;
2571 pr->x_mouse = source->x_mouse;
2572 pr->y_mouse = source->y_mouse;
2574 scroll_reset = pr->scroll_reset;
2575 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2577 pr->func_post_process = source->func_post_process;
2578 pr->post_process_user_data = source->post_process_user_data;
2579 pr->post_process_slow = source->post_process_slow;
2580 pr->orientation = source->orientation;
2581 pr->stereo_data = source->stereo_data;
2583 if (source->source_tiles_enabled)
2585 pr_source_tile_unset(pr);
2587 pr->source_tiles_enabled = source->source_tiles_enabled;
2588 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2589 pr->source_tile_width = source->source_tile_width;
2590 pr->source_tile_height = source->source_tile_height;
2591 pr->image_width = source->image_width;
2592 pr->image_height = source->image_height;
2594 pr->func_tile_request = source->func_tile_request;
2595 pr->func_tile_dispose = source->func_tile_dispose;
2596 pr->func_tile_data = source->func_tile_data;
2598 pr->source_tiles = source->source_tiles;
2599 source->source_tiles = NULL;
2601 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2605 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2608 pr->scroll_reset = scroll_reset;
2610 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2613 void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source)
2616 PixbufRendererScrollResetType scroll_reset;
2618 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2619 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2621 if (pr == source) return;
2623 object = G_OBJECT(pr);
2625 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2626 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2627 g_object_set(object, "loading", source->loading, NULL);
2629 pr->complete = source->complete;
2631 pr->x_scroll = source->x_scroll;
2632 pr->y_scroll = source->y_scroll;
2633 pr->x_mouse = source->x_mouse;
2634 pr->y_mouse = source->y_mouse;
2636 scroll_reset = pr->scroll_reset;
2637 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2639 pr->orientation = source->orientation;
2640 pr->stereo_data = source->stereo_data;
2642 if (source->source_tiles_enabled)
2644 pr->source_tiles_enabled = source->source_tiles_enabled;
2645 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2646 pr->source_tile_width = source->source_tile_width;
2647 pr->source_tile_height = source->source_tile_height;
2648 pr->image_width = source->image_width;
2649 pr->image_height = source->image_height;
2651 pr->func_tile_request = source->func_tile_request;
2652 pr->func_tile_dispose = source->func_tile_dispose;
2653 pr->func_tile_data = source->func_tile_data;
2655 pr->source_tiles = source->source_tiles;
2656 source->source_tiles = NULL;
2658 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2662 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2665 pr->scroll_reset = scroll_reset;
2668 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2670 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2672 if (pr->source_tiles_enabled)
2674 pr_source_tile_changed(pr, x, y, w, h);
2677 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2678 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2681 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2683 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2685 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2688 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2690 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2692 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2695 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2697 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2699 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2702 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2704 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2709 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2711 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2716 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2718 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2720 if (min > 1.0 || max < 1.0) return;
2721 if (min < 1.0 && min > -1.0) return;
2722 if (min < -200.0 || max > 200.0) return;
2724 if (pr->zoom_min != min)
2727 g_object_notify(G_OBJECT(pr), "zoom_min");
2729 if (pr->zoom_max != max)
2732 g_object_notify(G_OBJECT(pr), "zoom_max");
2736 static void pr_stereo_set(PixbufRenderer *pr)
2738 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2740 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2742 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2744 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2745 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2749 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2750 pr->renderer2 = NULL;
2752 if (pr->stereo_mode & PR_STEREO_HALF)
2754 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2755 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2756 else pr->aspect_ratio = 1.0;
2760 pr->aspect_ratio = 1.0;
2764 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2766 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2767 pr->stereo_mode = stereo_mode;
2768 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2770 pr->stereo_temp_disable = FALSE;
2776 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2777 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2781 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2783 pr->stereo_fixed_width = width;
2784 pr->stereo_fixed_height = height;
2785 pr->stereo_fixed_x_left = x1;
2786 pr->stereo_fixed_y_left = y1;
2787 pr->stereo_fixed_x_right = x2;
2788 pr->stereo_fixed_y_right = y2;
2791 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2793 return pr->stereo_mode;
2796 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2798 if (pr->stereo_temp_disable == disable) return;
2799 pr->stereo_temp_disable = disable;
2802 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2803 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2804 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2805 pr->renderer2 = NULL;
2806 pr->aspect_ratio = 1.0;
2812 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2815 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2816 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2818 GdkPixbuf *pb = pr->pixbuf;
2821 gint map_x, map_y, map_w, map_h;
2824 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2825 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2827 if (!pr->pixbuf && !pr->source_tiles_enabled)
2835 if (!pb) return FALSE;
2837 pr_tile_region_map_orientation(pr->orientation,
2839 pr->image_width, pr->image_height,
2840 1, 1, /*single pixel */
2844 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2845 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2847 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2848 prs = gdk_pixbuf_get_rowstride(pb);
2849 p_pix = gdk_pixbuf_get_pixels(pb);
2851 xoff = (size_t)map_x * (p_alpha ? 4 : 3);
2852 yoff = (size_t)map_y * prs;
2853 pp = p_pix + yoff + xoff;
2863 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2865 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2867 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2868 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2870 if (!pr->pixbuf && !pr->source_tiles_enabled)
2872 *x_pixel_return = -1;
2873 *y_pixel_return = -1;
2877 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2878 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2879 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2880 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2882 if (x_pixel != x_pixel_clamped)
2884 /* mouse is not on pr */
2887 if (y_pixel != y_pixel_clamped)
2889 /* mouse is not on pr */
2893 *x_pixel_return = x_pixel;
2894 *y_pixel_return = y_pixel;
2899 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2901 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2902 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2904 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2911 *width = pr->image_width;
2912 *height = pr->image_height;
2916 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2918 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2919 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2921 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2929 *height = pr->height;
2933 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2935 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2936 g_return_val_if_fail(rect != NULL, FALSE);
2938 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2948 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2949 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2950 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2951 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2955 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2957 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2958 g_return_val_if_fail(rect != NULL, FALSE);
2960 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2969 rect->x = pr->x_scroll;
2970 rect->y = pr->y_scroll;
2971 rect->width = pr->vis_width;
2972 rect->height = pr->vis_height;
2976 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2979 /* FIXME: this function does not consider the image orientation,
2980 so it probably only breaks something */
2984 zoom = pixbuf_renderer_zoom_get(pr);
2985 pr->image_width = width;
2986 pr->image_height = height;
2988 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2993 //pr->width = width;
2994 //pr->height = height;
2998 void pixbuf_renderer_set_ignore_alpha(PixbufRenderer *pr, gint ignore_alpha)
3000 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
3002 pr->ignore_alpha = ignore_alpha;
3003 pr_pixbuf_size_sync(pr);
3004 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
3007 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */