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
113 PR_ZOOM_FORCE = 1 << 0,
114 PR_ZOOM_NEW = 1 << 1,
115 PR_ZOOM_CENTER = 1 << 2,
116 PR_ZOOM_INVALIDATE = 1 << 3,
117 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
120 static guint signals[SIGNAL_COUNT] = { 0 };
121 static GtkEventBoxClass *parent_class = NULL;
125 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
126 static void pixbuf_renderer_init(PixbufRenderer *pr);
127 static void pixbuf_renderer_finalize(GObject *object);
128 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
129 const GValue *value, GParamSpec *pspec);
130 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
131 GValue *value, GParamSpec *pspec);
132 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
135 static void pr_source_tile_free_all(PixbufRenderer *pr);
137 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
138 PrZoomFlags flags, gint px, gint py);
140 static void pr_signals_connect(PixbufRenderer *pr);
141 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
142 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
146 *-------------------------------------------------------------------
147 * Pixbuf Renderer object
148 *-------------------------------------------------------------------
151 GType pixbuf_renderer_get_type(void)
153 static GType pixbuf_renderer_type = 0;
155 if (!pixbuf_renderer_type)
157 static const GTypeInfo pixbuf_renderer_info =
159 sizeof(PixbufRendererClass), /* class_size */
160 NULL, /* base_init */
161 NULL, /* base_finalize */
162 (GClassInitFunc)pixbuf_renderer_class_init,
163 NULL, /* class_finalize */
164 NULL, /* class_data */
165 sizeof(PixbufRenderer), /* instance_size */
167 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
168 NULL, /* value_table */
171 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
172 &pixbuf_renderer_info, 0);
175 return pixbuf_renderer_type;
178 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
180 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
182 parent_class = g_type_class_peek_parent(class);
184 gobject_class->set_property = pixbuf_renderer_set_property;
185 gobject_class->get_property = pixbuf_renderer_get_property;
187 gobject_class->finalize = pixbuf_renderer_finalize;
189 g_object_class_install_property(gobject_class,
191 g_param_spec_double("zoom_min",
197 G_PARAM_READABLE | G_PARAM_WRITABLE));
199 g_object_class_install_property(gobject_class,
201 g_param_spec_double("zoom_max",
207 G_PARAM_READABLE | G_PARAM_WRITABLE));
209 g_object_class_install_property(gobject_class,
211 g_param_spec_uint("zoom_quality",
217 G_PARAM_READABLE | G_PARAM_WRITABLE));
219 g_object_class_install_property(gobject_class,
221 g_param_spec_boolean("zoom_2pass",
225 G_PARAM_READABLE | G_PARAM_WRITABLE));
227 g_object_class_install_property(gobject_class,
229 g_param_spec_boolean("zoom_expand",
230 "Expand image in autozoom.",
233 G_PARAM_READABLE | G_PARAM_WRITABLE));
234 g_object_class_install_property(gobject_class,
236 g_param_spec_uint("scroll_reset",
237 "New image scroll reset",
239 PR_SCROLL_RESET_TOPLEFT,
240 PR_SCROLL_RESET_NOCHANGE,
241 PR_SCROLL_RESET_TOPLEFT,
242 G_PARAM_READABLE | G_PARAM_WRITABLE));
244 g_object_class_install_property(gobject_class,
246 g_param_spec_boolean("delay_flip",
247 "Delay image update",
250 G_PARAM_READABLE | G_PARAM_WRITABLE));
252 g_object_class_install_property(gobject_class,
254 g_param_spec_boolean("loading",
255 "Image actively loading",
258 G_PARAM_READABLE | G_PARAM_WRITABLE));
260 g_object_class_install_property(gobject_class,
262 g_param_spec_boolean("complete",
263 "Image rendering complete",
266 G_PARAM_READABLE | G_PARAM_WRITABLE));
268 g_object_class_install_property(gobject_class,
269 PROP_CACHE_SIZE_DISPLAY,
270 g_param_spec_uint("cache_display",
271 "Display cache size MB",
275 PR_CACHE_SIZE_DEFAULT,
276 G_PARAM_READABLE | G_PARAM_WRITABLE));
278 g_object_class_install_property(gobject_class,
279 PROP_CACHE_SIZE_TILES,
280 g_param_spec_uint("cache_tiles",
282 "Number of tiles to retain in memory at any one time.",
285 PR_CACHE_SIZE_DEFAULT,
286 G_PARAM_READABLE | G_PARAM_WRITABLE));
288 g_object_class_install_property(gobject_class,
290 g_param_spec_boolean("window_fit",
291 "Fit window to image size",
294 G_PARAM_READABLE | G_PARAM_WRITABLE));
296 g_object_class_install_property(gobject_class,
298 g_param_spec_boolean("window_limit",
299 "Limit size of parent window",
302 G_PARAM_READABLE | G_PARAM_WRITABLE));
304 g_object_class_install_property(gobject_class,
305 PROP_WINDOW_LIMIT_VALUE,
306 g_param_spec_uint("window_limit_value",
307 "Size limit of parent window",
312 G_PARAM_READABLE | G_PARAM_WRITABLE));
314 g_object_class_install_property(gobject_class,
316 g_param_spec_boolean("autofit_limit",
317 "Limit size of image when autofitting",
320 G_PARAM_READABLE | G_PARAM_WRITABLE));
322 g_object_class_install_property(gobject_class,
323 PROP_AUTOFIT_LIMIT_VALUE,
324 g_param_spec_uint("autofit_limit_value",
325 "Size limit of image when autofitting",
330 G_PARAM_READABLE | G_PARAM_WRITABLE));
333 signals[SIGNAL_ZOOM] =
335 G_OBJECT_CLASS_TYPE(gobject_class),
337 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
339 g_cclosure_marshal_VOID__DOUBLE,
343 signals[SIGNAL_CLICKED] =
344 g_signal_new("clicked",
345 G_OBJECT_CLASS_TYPE(gobject_class),
347 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
349 g_cclosure_marshal_VOID__BOXED,
353 signals[SIGNAL_SCROLL_NOTIFY] =
354 g_signal_new("scroll-notify",
355 G_OBJECT_CLASS_TYPE(gobject_class),
357 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
359 g_cclosure_marshal_VOID__VOID,
362 signals[SIGNAL_RENDER_COMPLETE] =
363 g_signal_new("render-complete",
364 G_OBJECT_CLASS_TYPE(gobject_class),
366 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
368 g_cclosure_marshal_VOID__VOID,
371 signals[SIGNAL_DRAG] =
373 G_OBJECT_CLASS_TYPE(gobject_class),
375 G_STRUCT_OFFSET(PixbufRendererClass, drag),
377 g_cclosure_marshal_VOID__BOXED,
381 signals[SIGNAL_UPDATE_PIXEL] =
382 g_signal_new("update-pixel",
383 G_OBJECT_CLASS_TYPE(gobject_class),
385 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
387 g_cclosure_marshal_VOID__VOID,
391 static RendererFuncs *pr_backend_renderer_new(PixbufRenderer *pr)
393 if (options->image.use_clutter_renderer)
396 return renderer_clutter_new(pr);
398 DEBUG_0("Geeqie is built without clutter renderer support");
401 return renderer_tiles_new(pr);
405 static void pixbuf_renderer_init(PixbufRenderer *pr)
409 box = GTK_WIDGET(pr);
411 pr->zoom_min = PR_ZOOM_MIN;
412 pr->zoom_max = PR_ZOOM_MAX;
413 pr->zoom_quality = GDK_INTERP_BILINEAR;
414 pr->zoom_2pass = FALSE;
418 pr->aspect_ratio = 1.0;
420 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
423 pr->scroller_overlay = -1;
428 pr->source_tiles_enabled = FALSE;
429 pr->source_tiles = NULL;
433 pr->norm_center_x = 0.5;
434 pr->norm_center_y = 0.5;
436 pr->stereo_mode = PR_STEREO_NONE;
438 pr->renderer = pr_backend_renderer_new(pr);
440 pr->renderer2 = NULL;
442 gtk_widget_set_double_buffered(box, FALSE);
443 gtk_widget_set_app_paintable(box, TRUE);
444 g_signal_connect_after(G_OBJECT(box), "size_allocate",
445 G_CALLBACK(pr_size_cb), pr);
447 pr_signals_connect(pr);
450 static void pixbuf_renderer_finalize(GObject *object)
454 pr = PIXBUF_RENDERER(object);
456 pr->renderer->free(pr->renderer);
457 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
460 if (pr->pixbuf) g_object_unref(pr->pixbuf);
462 pr_scroller_timer_set(pr, FALSE);
464 pr_source_tile_free_all(pr);
467 PixbufRenderer *pixbuf_renderer_new(void)
469 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
472 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
473 const GValue *value, GParamSpec *pspec)
477 pr = PIXBUF_RENDERER(object);
482 pr->zoom_min = g_value_get_double(value);
485 pr->zoom_max = g_value_get_double(value);
487 case PROP_ZOOM_QUALITY:
488 pr->zoom_quality = g_value_get_uint(value);
490 case PROP_ZOOM_2PASS:
491 pr->zoom_2pass = g_value_get_boolean(value);
493 case PROP_ZOOM_EXPAND:
494 pr->zoom_expand = g_value_get_boolean(value);
496 case PROP_SCROLL_RESET:
497 pr->scroll_reset = g_value_get_uint(value);
499 case PROP_DELAY_FLIP:
500 pr->delay_flip = g_value_get_boolean(value);
503 pr->loading = g_value_get_boolean(value);
506 pr->complete = g_value_get_boolean(value);
508 case PROP_CACHE_SIZE_DISPLAY:
509 // pr->tile_cache_max = g_value_get_uint(value);
511 case PROP_CACHE_SIZE_TILES:
512 pr->source_tiles_cache_size = g_value_get_uint(value);
514 case PROP_WINDOW_FIT:
515 pr->window_fit = g_value_get_boolean(value);
517 case PROP_WINDOW_LIMIT:
518 pr->window_limit = g_value_get_boolean(value);
520 case PROP_WINDOW_LIMIT_VALUE:
521 pr->window_limit_size = g_value_get_uint(value);
523 case PROP_AUTOFIT_LIMIT:
524 pr->autofit_limit = g_value_get_boolean(value);
526 case PROP_AUTOFIT_LIMIT_VALUE:
527 pr->autofit_limit_size = g_value_get_uint(value);
530 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
535 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
536 GValue *value, GParamSpec *pspec)
540 pr = PIXBUF_RENDERER(object);
545 g_value_set_double(value, pr->zoom_min);
548 g_value_set_double(value, pr->zoom_max);
550 case PROP_ZOOM_QUALITY:
551 g_value_set_uint(value, pr->zoom_quality);
553 case PROP_ZOOM_2PASS:
554 g_value_set_boolean(value, pr->zoom_2pass);
556 case PROP_ZOOM_EXPAND:
557 g_value_set_boolean(value, pr->zoom_expand);
559 case PROP_SCROLL_RESET:
560 g_value_set_uint(value, pr->scroll_reset);
562 case PROP_DELAY_FLIP:
563 g_value_set_boolean(value, pr->delay_flip);
566 g_value_set_boolean(value, pr->loading);
569 g_value_set_boolean(value, pr->complete);
571 case PROP_CACHE_SIZE_DISPLAY:
572 // g_value_set_uint(value, pr->tile_cache_max);
574 case PROP_CACHE_SIZE_TILES:
575 g_value_set_uint(value, pr->source_tiles_cache_size);
577 case PROP_WINDOW_FIT:
578 g_value_set_boolean(value, pr->window_fit);
580 case PROP_WINDOW_LIMIT:
581 g_value_set_boolean(value, pr->window_limit);
583 case PROP_WINDOW_LIMIT_VALUE:
584 g_value_set_uint(value, pr->window_limit_size);
586 case PROP_AUTOFIT_LIMIT:
587 g_value_set_boolean(value, pr->autofit_limit);
589 case PROP_AUTOFIT_LIMIT_VALUE:
590 g_value_set_uint(value, pr->autofit_limit_size);
593 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
600 *-------------------------------------------------------------------
602 *-------------------------------------------------------------------
605 static void widget_set_cursor(GtkWidget *widget, gint icon)
609 if (!gtk_widget_get_window(widget)) return;
617 cursor = gdk_cursor_new(icon);
620 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
622 if (cursor) gdk_cursor_unref(cursor);
625 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
626 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
627 gint *rx, gint *ry, gint *rw, gint *rh)
629 if (clip_x + clip_w <= x ||
631 clip_y + clip_h <= y ||
637 *rx = MAX(x, clip_x);
638 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
640 *ry = MAX(y, clip_y);
641 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
646 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
648 GdkWindowState state;
650 if (!pr->parent_window) return FALSE;
651 if (!pr->window_fit) return FALSE;
652 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
654 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
655 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
656 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
661 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
666 GtkAllocation widget_allocation;
667 GtkAllocation parent_allocation;
669 if (!pr_parent_window_sizable(pr)) return FALSE;
671 if (pr->window_limit)
673 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
674 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
680 widget = GTK_WIDGET(pr);
681 parent = GTK_WIDGET(pr->parent_window);
683 gtk_widget_get_allocation(widget, &widget_allocation);
684 gtk_widget_get_allocation(parent, &parent_allocation);
686 w += (parent_allocation.width - widget_allocation.width);
687 h += (parent_allocation.height - widget_allocation.height);
689 ww = gdk_window_get_width(gtk_widget_get_window(parent));
690 wh = gdk_window_get_height(gtk_widget_get_window(parent));
691 if (w == ww && h == wh) return FALSE;
693 gdk_window_resize(gtk_widget_get_window(parent), w, h);
698 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
700 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
701 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
703 pr->parent_window = GTK_WIDGET(window);
706 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
708 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
710 return GTK_WINDOW(pr->parent_window);
715 *-------------------------------------------------------------------
717 *-------------------------------------------------------------------
721 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
722 OverlayRendererFlags flags)
724 /* let's assume both renderers returns the same value */
725 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
726 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
729 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
731 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
732 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
735 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
737 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
738 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
741 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
743 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
744 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
748 *-------------------------------------------------------------------
750 *-------------------------------------------------------------------
754 static gboolean pr_scroller_update_cb(gpointer data)
756 PixbufRenderer *pr = data;
760 /* this was a simple scroll by difference between scroller and mouse position,
761 * but all this math results in a smoother result and accounts for a dead zone.
764 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
770 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
771 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
772 x += (x > 0) ? -shift : shift;
775 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
781 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
782 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
783 y += (y > 0) ? -shift : shift;
786 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
792 xinc = pr->scroller_xinc;
796 if (xinc < 0) xinc = 0;
797 if (x < xinc) xinc = x;
798 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
802 if (xinc > 0) xinc = 0;
803 if (x > xinc) xinc = x;
804 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
808 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
814 yinc = pr->scroller_yinc;
818 if (yinc < 0) yinc = 0;
819 if (y < yinc) yinc = y;
820 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
824 if (yinc > 0) yinc = 0;
825 if (y > yinc) yinc = y;
826 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
830 pr->scroller_xinc = xinc;
831 pr->scroller_yinc = yinc;
833 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
834 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
836 pixbuf_renderer_scroll(pr, xinc, yinc);
841 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
845 g_source_remove(pr->scroller_id);
851 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
852 pr_scroller_update_cb, pr);
856 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
858 if (pr->scroller_overlay == -1)
864 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
866 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
867 gdk_pixbuf_fill(pixbuf, 0x000000ff);
869 w = gdk_pixbuf_get_width(pixbuf);
870 h = gdk_pixbuf_get_height(pixbuf);
872 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
873 g_object_unref(pixbuf);
878 pr->scroller_xpos = x;
879 pr->scroller_ypos = y;
881 pr_scroller_timer_set(pr, TRUE);
884 static void pr_scroller_stop(PixbufRenderer *pr)
886 if (!pr->scroller_id) return;
888 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
889 pr->scroller_overlay = -1;
891 pr_scroller_timer_set(pr, FALSE);
895 *-------------------------------------------------------------------
897 *-------------------------------------------------------------------
900 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
905 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
907 widget = GTK_WIDGET(pr);
912 style = gtk_style_copy(gtk_widget_get_style(widget));
913 slot = &style->bg[GTK_STATE_NORMAL];
915 slot->red = color->red;
916 slot->green = color->green;
917 slot->blue = color->blue;
920 style = gtk_style_copy(gtk_widget_get_default_style());
923 gtk_widget_set_style(widget, style);
925 pr->renderer->update_viewport(pr->renderer);
926 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
930 *-------------------------------------------------------------------
932 *-------------------------------------------------------------------
935 static void pr_source_tile_free(SourceTile *st)
939 if (st->pixbuf) g_object_unref(st->pixbuf);
943 static void pr_source_tile_free_all(PixbufRenderer *pr)
947 work = pr->source_tiles;
955 pr_source_tile_free(st);
958 g_list_free(pr->source_tiles);
959 pr->source_tiles = NULL;
962 static void pr_source_tile_unset(PixbufRenderer *pr)
964 pr_source_tile_free_all(pr);
965 pr->source_tiles_enabled = FALSE;
968 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
972 if (!st) return FALSE;
974 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
975 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
976 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
977 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
980 x2 = pr->x_scroll + pr->vis_width;
981 y2 = pr->y_scroll + pr->vis_height;
983 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
984 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
985 (gdouble)st->y * pr->scale > (gdouble)y2 ||
986 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
989 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
991 SourceTile *st = NULL;
994 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
996 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
998 count = g_list_length(pr->source_tiles);
999 if (count >= pr->source_tiles_cache_size)
1003 work = g_list_last(pr->source_tiles);
1004 while (work && count >= pr->source_tiles_cache_size)
1008 needle = work->data;
1011 if (!pr_source_tile_visible(pr, needle))
1013 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1015 if (pr->func_tile_dispose)
1017 pr->func_tile_dispose(pr, needle->x, needle->y,
1018 pr->source_tile_width, pr->source_tile_height,
1019 needle->pixbuf, pr->func_tile_data);
1028 pr_source_tile_free(needle);
1038 st = g_new0(SourceTile, 1);
1039 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1040 pr->source_tile_width, pr->source_tile_height);
1043 st->x = ROUND_DOWN(x, pr->source_tile_width);
1044 st->y = ROUND_DOWN(y, pr->source_tile_height);
1047 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1052 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1056 st = pr_source_tile_new(pr, x, y);
1057 if (!st) return NULL;
1059 if (pr->func_tile_request &&
1060 pr->func_tile_request(pr, st->x, st->y,
1061 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1066 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1067 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1068 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1069 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1073 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1077 work = pr->source_tiles;
1080 SourceTile *st = work->data;
1082 if (x >= st->x && x < st->x + pr->source_tile_width &&
1083 y >= st->y && y < st->y + pr->source_tile_height)
1085 if (work != pr->source_tiles)
1087 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1088 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1099 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1107 if (w > pr->image_width) w = pr->image_width;
1108 if (h > pr->image_height) h = pr->image_height;
1110 sx = ROUND_DOWN(x, pr->source_tile_width);
1111 sy = ROUND_DOWN(y, pr->source_tile_height);
1113 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1115 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1119 st = pr_source_tile_find(pr, x1, y1);
1120 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1122 if (st) list = g_list_prepend(list, st);
1126 return g_list_reverse(list);
1129 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1133 if (width < 1 || height < 1) return;
1135 work = pr->source_tiles;
1139 gint rx, ry, rw, rh;
1144 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1145 x, y, width, height,
1146 &rx, &ry, &rw, &rh))
1150 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1151 if (pr->func_tile_request &&
1152 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1154 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1155 rw * pr->scale, rh * pr->scale);
1156 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1157 rw * pr->scale, rh * pr->scale);
1159 g_object_unref(pixbuf);
1164 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1165 gint tile_width, gint tile_height, gint cache_size,
1166 PixbufRendererTileRequestFunc func_request,
1167 PixbufRendererTileDisposeFunc func_dispose,
1171 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1172 g_return_if_fail(tile_width >= 32 && tile_height >= 32);
1173 g_return_if_fail(width >= 32 && height > 32);
1174 g_return_if_fail(func_request != NULL);
1176 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1179 pr_source_tile_unset(pr);
1181 if (cache_size < 4) cache_size = 4;
1183 pr->source_tiles_enabled = TRUE;
1184 pr->source_tiles_cache_size = cache_size;
1185 pr->source_tile_width = tile_width;
1186 pr->source_tile_height = tile_height;
1188 pr->image_width = width;
1189 pr->image_height = height;
1191 pr->func_tile_request = func_request;
1192 pr->func_tile_dispose = func_dispose;
1193 pr->func_tile_data = user_data;
1195 pr_stereo_temp_disable(pr, TRUE);
1196 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1199 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1201 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1202 g_return_if_fail(width >= 32 && height > 32);
1204 if (!pr->source_tiles_enabled) return;
1205 if (pr->image_width == width && pr->image_height == height) return;
1207 pr->image_width = width;
1208 pr->image_height = height;
1210 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1213 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1215 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1217 return pr->source_tiles_enabled;
1220 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1221 PrZoomFlags flags, gint x, gint y)
1223 gdouble zoom = pr->zoom;
1225 if (increment == 0.0) return;
1229 if (pr->scale < 1.0)
1231 zoom = 0.0 - 1.0 / pr->scale;
1239 if (increment < 0.0)
1241 if (zoom >= 1.0 && zoom + increment < 1.0)
1243 zoom = zoom + increment - 2.0;
1247 zoom = zoom + increment;
1252 if (zoom <= -1.0 && zoom + increment > -1.0)
1254 zoom = zoom + increment + 2.0;
1258 zoom = zoom + increment;
1262 pr_zoom_sync(pr, zoom, flags, x, y);
1267 *-------------------------------------------------------------------
1269 *-------------------------------------------------------------------
1272 static void pr_update_signal(PixbufRenderer *pr)
1274 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1275 pr->debug_updated = TRUE;
1278 static void pr_zoom_signal(PixbufRenderer *pr)
1280 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1283 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1285 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1288 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1290 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1293 void pr_render_complete_signal(PixbufRenderer *pr)
1297 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1298 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1300 if (pr->debug_updated)
1302 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1303 pr->debug_updated = FALSE;
1307 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1309 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1312 static void pr_update_pixel_signal(PixbufRenderer *pr)
1314 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1318 *-------------------------------------------------------------------
1320 *-------------------------------------------------------------------
1324 void pr_tile_coords_map_orientation(gint orientation,
1325 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1326 gdouble image_w, gdouble image_h,
1327 gdouble tile_w, gdouble tile_h,
1328 gdouble *res_x, gdouble *res_y)
1332 switch (orientation)
1334 case EXIF_ORIENTATION_TOP_LEFT:
1335 /* normal -- nothing to do */
1337 case EXIF_ORIENTATION_TOP_RIGHT:
1339 *res_x = image_w - tile_x - tile_w;
1341 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1343 *res_x = image_w - tile_x - tile_w;
1344 *res_y = image_h - tile_y - tile_h;
1346 case EXIF_ORIENTATION_BOTTOM_LEFT:
1348 *res_y = image_h - tile_y - tile_h;
1350 case EXIF_ORIENTATION_LEFT_TOP:
1354 case EXIF_ORIENTATION_RIGHT_TOP:
1355 /* rotated -90 (270) */
1357 *res_y = image_w - tile_x - tile_w;
1359 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1360 *res_x = image_h - tile_y - tile_h;
1361 *res_y = image_w - tile_x - tile_w;
1363 case EXIF_ORIENTATION_LEFT_BOTTOM:
1365 *res_x = image_h - tile_y - tile_h;
1369 /* The other values are out of range */
1372 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1375 void pr_tile_region_map_orientation(gint orientation,
1376 gint area_x, gint area_y, /* coordinates of the area inside tile */
1377 gint tile_w, gint tile_h,
1378 gint area_w, gint area_h,
1379 gint *res_x, gint *res_y,
1380 gint *res_w, gint *res_h)
1387 switch (orientation)
1389 case EXIF_ORIENTATION_TOP_LEFT:
1390 /* normal -- nothing to do */
1392 case EXIF_ORIENTATION_TOP_RIGHT:
1394 *res_x = tile_w - area_x - area_w;
1396 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1398 *res_x = tile_w - area_x - area_w;
1399 *res_y = tile_h - area_y - area_h;
1401 case EXIF_ORIENTATION_BOTTOM_LEFT:
1403 *res_y = tile_h - area_y - area_h;
1405 case EXIF_ORIENTATION_LEFT_TOP:
1411 case EXIF_ORIENTATION_RIGHT_TOP:
1412 /* rotated -90 (270) */
1414 *res_y = tile_w - area_x - area_w;
1418 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1419 *res_x = tile_h - area_y - area_h;
1420 *res_y = tile_w - area_x - area_w;
1424 case EXIF_ORIENTATION_LEFT_BOTTOM:
1426 *res_x = tile_h - area_y - area_h;
1432 /* The other values are out of range */
1435 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1438 void pr_coords_map_orientation_reverse(gint orientation,
1439 gint area_x, gint area_y,
1440 gint tile_w, gint tile_h,
1441 gint area_w, gint area_h,
1442 gint *res_x, gint *res_y,
1443 gint *res_w, gint *res_h)
1450 switch (orientation)
1452 case EXIF_ORIENTATION_TOP_LEFT:
1453 /* normal -- nothing to do */
1455 case EXIF_ORIENTATION_TOP_RIGHT:
1457 *res_x = tile_w - area_x - area_w;
1459 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1461 *res_x = tile_w - area_x - area_w;
1462 *res_y = tile_h - area_y - area_h;
1464 case EXIF_ORIENTATION_BOTTOM_LEFT:
1466 *res_y = tile_h - area_y - area_h;
1468 case EXIF_ORIENTATION_LEFT_TOP:
1474 case EXIF_ORIENTATION_RIGHT_TOP:
1475 /* rotated -90 (270) */
1476 *res_x = tile_w - area_y - area_h;
1481 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1482 *res_x = tile_w - area_y - area_h;
1483 *res_y = tile_h - area_x - area_w;
1487 case EXIF_ORIENTATION_LEFT_BOTTOM:
1490 *res_y = tile_h - area_x - area_w;
1495 /* The other values are out of range */
1502 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1505 if (!pr->width || !pr->height) return;
1508 * Update norm_center only if the image is bigger than the window.
1509 * With this condition the stored center survives also a temporary display
1510 * of the "broken image" icon.
1513 if (pr->width > pr->viewport_width)
1515 src_x = pr->x_scroll + pr->vis_width / 2;
1516 pr->norm_center_x = (gdouble)src_x / pr->width;
1519 if (pr->height > pr->viewport_height)
1521 src_y = pr->y_scroll + pr->vis_height / 2;
1522 pr->norm_center_y = (gdouble)src_y / pr->height;
1527 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1532 if (pr->zoom == 0.0)
1540 old_xs = pr->x_scroll;
1541 old_ys = pr->y_scroll;
1543 if (pr->x_offset > 0)
1549 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1552 if (pr->y_offset > 0)
1558 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1561 pixbuf_renderer_sync_scroll_center(pr);
1563 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1566 static gboolean pr_size_clamp(PixbufRenderer *pr)
1568 gint old_vw, old_vh;
1570 old_vw = pr->vis_width;
1571 old_vh = pr->vis_height;
1573 if (pr->width < pr->viewport_width)
1575 pr->vis_width = pr->width;
1576 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1580 pr->vis_width = pr->viewport_width;
1584 if (pr->height < pr->viewport_height)
1586 pr->vis_height = pr->height;
1587 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1591 pr->vis_height = pr->viewport_height;
1595 pixbuf_renderer_sync_scroll_center(pr);
1597 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1600 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1605 gboolean force = !!(flags & PR_ZOOM_FORCE);
1606 gboolean new = !!(flags & PR_ZOOM_NEW);
1608 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1610 if (pr->zoom == zoom && !force) return FALSE;
1612 w = pr->image_width;
1613 h = pr->image_height;
1615 if (zoom == 0.0 && !pr->pixbuf)
1619 else if (zoom == 0.0)
1625 sizeable = (new && pr_parent_window_sizable(pr));
1629 max_w = gdk_screen_width();
1630 max_h = gdk_screen_height();
1632 if (pr->window_limit)
1634 max_w = max_w * pr->window_limit_size / 100;
1635 max_h = max_h * pr->window_limit_size / 100;
1640 max_w = pr->viewport_width;
1641 max_h = pr->viewport_height;
1644 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1646 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1648 scale = (gdouble)max_h / h / pr->aspect_ratio;
1650 w = w * scale + 0.5;
1651 if (w > max_w) w = max_w;
1655 scale = (gdouble)max_w / w;
1657 h = h * scale * pr->aspect_ratio + 0.5;
1658 if (h > max_h) h = max_h;
1661 if (pr->autofit_limit)
1663 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1664 w = w * factor + 0.5;
1665 h = h * factor + 0.5;
1666 scale = scale * factor;
1677 else if (zoom > 0.0) /* zoom orig, in */
1681 h = h * scale * pr->aspect_ratio;
1685 scale = 1.0 / (0.0 - zoom);
1687 h = h * scale * pr->aspect_ratio;
1698 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1699 PrZoomFlags flags, gint px, gint py)
1702 gint old_cx, old_cy;
1703 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1704 gboolean force = !!(flags & PR_ZOOM_FORCE);
1705 gboolean new = !!(flags & PR_ZOOM_NEW);
1706 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1707 PrZoomFlags clamp_flags = flags;
1708 gdouble old_center_x = pr->norm_center_x;
1709 gdouble old_center_y = pr->norm_center_y;
1711 old_scale = pr->scale;
1714 px = CLAMP(px, 0, pr->width);
1715 py = CLAMP(py, 0, pr->height);
1716 old_cx = pr->x_scroll + (px - pr->x_offset);
1717 old_cy = pr->y_scroll + (py - pr->y_offset);
1722 old_cx = pr->x_scroll + pr->vis_width / 2;
1723 old_cy = pr->y_scroll + pr->vis_height / 2;
1726 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1727 if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
1729 (void) pr_size_clamp(pr);
1730 (void) pr_parent_window_resize(pr, pr->width, pr->height);
1734 switch (pr->scroll_reset)
1736 case PR_SCROLL_RESET_NOCHANGE:
1737 /* maintain old scroll position */
1738 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1739 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1741 case PR_SCROLL_RESET_CENTER:
1742 /* center new image */
1743 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1744 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1746 case PR_SCROLL_RESET_TOPLEFT:
1748 /* reset to upper left */
1756 /* user zoom does not force, so keep visible center point */
1759 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1760 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1764 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1765 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1769 pr_scroll_clamp(pr);
1771 pr->renderer->update_zoom(pr->renderer, lazy);
1772 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1774 pr_scroll_notify_signal(pr);
1776 pr_update_signal(pr);
1779 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1781 gboolean zoom_changed = FALSE;
1783 gint new_viewport_width = new_width;
1784 gint new_viewport_height = new_height;
1786 if (!pr->stereo_temp_disable)
1788 if (pr->stereo_mode & PR_STEREO_HORIZ)
1790 new_viewport_width = new_width / 2;
1792 else if (pr->stereo_mode & PR_STEREO_VERT)
1794 new_viewport_height = new_height / 2;
1796 else if (pr->stereo_mode & PR_STEREO_FIXED)
1798 new_viewport_width = pr->stereo_fixed_width;
1799 new_viewport_height = pr->stereo_fixed_height;
1803 if (pr->window_width == new_width && pr->window_height == new_height &&
1804 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1806 pr->window_width = new_width;
1807 pr->window_height = new_height;
1808 pr->viewport_width = new_viewport_width;
1809 pr->viewport_height = new_viewport_height;
1811 if (pr->zoom == 0.0)
1813 gdouble old_scale = pr->scale;
1814 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
1815 zoom_changed = (old_scale != pr->scale);
1819 pr_scroll_clamp(pr);
1823 pr->renderer->update_zoom(pr->renderer, FALSE);
1824 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
1827 pr->renderer->update_viewport(pr->renderer);
1828 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
1831 /* ensure scroller remains visible */
1832 if (pr->scroller_overlay != -1)
1834 gboolean update = FALSE;
1836 if (pr->scroller_x > new_width)
1838 pr->scroller_x = new_width;
1839 pr->scroller_xpos = new_width;
1842 if (pr->scroller_y > new_height)
1844 pr->scroller_y = new_height;
1845 pr->scroller_ypos = new_height;
1853 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1857 w = gdk_pixbuf_get_width(pixbuf);
1858 h = gdk_pixbuf_get_height(pixbuf);
1859 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1860 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1865 pr_scroll_notify_signal(pr);
1866 if (zoom_changed) pr_zoom_signal(pr);
1867 pr_update_signal(pr);
1870 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1872 PixbufRenderer *pr = data;
1874 pr_size_sync(pr, allocation->width, allocation->height);
1878 *-------------------------------------------------------------------
1880 *-------------------------------------------------------------------
1883 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1888 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1890 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1892 old_x = pr->x_scroll;
1893 old_y = pr->y_scroll;
1898 pr_scroll_clamp(pr);
1900 pixbuf_renderer_sync_scroll_center(pr);
1902 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1904 pr_scroll_notify_signal(pr);
1906 x_off = pr->x_scroll - old_x;
1907 y_off = pr->y_scroll - old_y;
1909 pr->renderer->scroll(pr->renderer, x_off, y_off);
1910 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1913 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1914 gdouble x_align, gdouble y_align)
1919 x_align = CLAMP(x_align, 0.0, 1.0);
1920 y_align = CLAMP(y_align, 0.0, 1.0);
1922 ax = (gdouble)pr->vis_width * x_align;
1923 ay = (gdouble)pr->vis_height * y_align;
1925 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1926 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1928 pixbuf_renderer_scroll(pr, px, py);
1931 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1933 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1935 *x = pr->norm_center_x;
1936 *y = pr->norm_center_y;
1939 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1941 gdouble dst_x, dst_y;
1943 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1944 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1946 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1947 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1949 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1953 *-------------------------------------------------------------------
1955 *-------------------------------------------------------------------
1958 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1962 #if GTK_CHECK_VERSION(3,0,0)
1963 GdkDeviceManager *device_manager;
1967 /* This is a hack, but work far the best, at least for single pointer systems.
1968 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
1970 #if GTK_CHECK_VERSION(3,0,0)
1971 device_manager = gdk_display_get_device_manager(gdk_window_get_display(bevent->window));
1972 device = gdk_device_manager_get_client_pointer(device_manager);
1973 gdk_window_get_device_position(bevent->window, device, &x, &y, NULL);
1975 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
1980 pr = PIXBUF_RENDERER(widget);
1982 if (pr->scroller_id)
1984 pr->scroller_xpos = bevent->x;
1985 pr->scroller_ypos = bevent->y;
1988 pr->x_mouse = bevent->x;
1989 pr->y_mouse = bevent->y;
1990 pr_update_pixel_signal(pr);
1992 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
1994 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2000 widget_set_cursor(widget, GDK_FLEUR);
2003 if (bevent->state & GDK_CONTROL_MASK)
2005 accel = PR_PAN_SHIFT_MULTIPLIER;
2013 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2014 (pr->drag_last_y - bevent->y) * accel);
2016 pr_drag_signal(pr, bevent);
2018 pr->drag_last_x = bevent->x;
2019 pr->drag_last_y = bevent->y;
2021 /* This is recommended by the GTK+ documentation, but does not work properly.
2022 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2023 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2025 /* gdk_event_request_motions (bevent); */
2029 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2033 pr = PIXBUF_RENDERER(widget);
2037 pr_update_pixel_signal(pr);
2041 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2046 pr = PIXBUF_RENDERER(widget);
2048 if (pr->scroller_id) return TRUE;
2050 switch (bevent->button)
2052 case MOUSE_BUTTON_LEFT:
2054 pr->drag_last_x = bevent->x;
2055 pr->drag_last_y = bevent->y;
2057 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2058 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2059 NULL, NULL, bevent->time);
2060 gtk_grab_add(widget);
2062 case MOUSE_BUTTON_MIDDLE:
2065 case MOUSE_BUTTON_RIGHT:
2066 pr_clicked_signal(pr, bevent);
2072 parent = gtk_widget_get_parent(widget);
2073 if (widget && gtk_widget_get_can_focus(parent))
2075 gtk_widget_grab_focus(parent);
2081 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2085 pr = PIXBUF_RENDERER(widget);
2087 if (pr->scroller_id)
2089 pr_scroller_stop(pr);
2093 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2095 gtk_grab_remove(widget);
2096 gdk_pointer_ungrab(bevent->time);
2097 widget_set_cursor(widget, -1);
2100 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2102 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2104 pr_scroller_start(pr, bevent->x, bevent->y);
2106 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2108 pr_clicked_signal(pr, bevent);
2112 pr->in_drag = FALSE;
2117 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2121 pr = PIXBUF_RENDERER(widget);
2123 if (pr->scroller_id)
2125 pr->scroller_xpos = pr->scroller_x;
2126 pr->scroller_ypos = pr->scroller_y;
2127 pr->scroller_xinc = 0;
2128 pr->scroller_yinc = 0;
2134 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2138 pr = PIXBUF_RENDERER(widget);
2140 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2143 static void pr_signals_connect(PixbufRenderer *pr)
2145 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2146 G_CALLBACK(pr_mouse_motion_cb), pr);
2147 g_signal_connect(G_OBJECT(pr), "button_press_event",
2148 G_CALLBACK(pr_mouse_press_cb), pr);
2149 g_signal_connect(G_OBJECT(pr), "button_release_event",
2150 G_CALLBACK(pr_mouse_release_cb), pr);
2151 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2152 G_CALLBACK(pr_mouse_leave_cb), pr);
2153 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2154 G_CALLBACK(pr_leave_notify_cb), pr);
2156 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2157 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
2158 GDK_LEAVE_NOTIFY_MASK);
2160 g_signal_connect(G_OBJECT(pr), "drag_begin",
2161 G_CALLBACK(pr_mouse_drag_cb), pr);
2166 *-------------------------------------------------------------------
2168 *-------------------------------------------------------------------
2171 #define COLOR_BYTES 3 /* rgb */
2172 #define RC 0 /* Red-Cyan */
2173 #define GM 1 /* Green-Magenta */
2174 #define YB 2 /* Yellow-Blue */
2176 static void pr_create_anaglyph_color(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2179 guchar *s_pix, *d_pix;
2184 srs = gdk_pixbuf_get_rowstride(right);
2185 s_pix = gdk_pixbuf_get_pixels(right);
2186 spi = s_pix + (x * COLOR_BYTES);
2188 drs = gdk_pixbuf_get_rowstride(pixbuf);
2189 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2190 dpi = d_pix + x * COLOR_BYTES;
2192 for (i = y; i < y + h; i++)
2194 sp = spi + (i * srs);
2195 dp = dpi + (i * drs);
2196 for (j = 0; j < w; j++)
2201 dp[0] = sp[0]; /* copy red channel */
2217 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2220 guchar *s_pix, *d_pix;
2224 const double gc[3] = {0.299, 0.587, 0.114};
2226 srs = gdk_pixbuf_get_rowstride(right);
2227 s_pix = gdk_pixbuf_get_pixels(right);
2228 spi = s_pix + (x * COLOR_BYTES);
2230 drs = gdk_pixbuf_get_rowstride(pixbuf);
2231 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2232 dpi = d_pix + x * COLOR_BYTES;
2234 for (i = y; i < y + h; i++)
2236 sp = spi + (i * srs);
2237 dp = dpi + (i * drs);
2238 for (j = 0; j < w; j++)
2240 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2241 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2245 dp[0] = g2; /* red channel from sp */
2246 dp[1] = g1; /* green and blue from dp */
2266 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2269 guchar *s_pix, *d_pix;
2273 double pr_dubois_matrix[3][6];
2274 const static double pr_dubois_matrix_RC[3][6] = {
2275 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2276 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2277 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}};
2278 const static double pr_dubois_matrix_GM[3][6] = {
2279 {-0.062, -0.158, -0.039, 0.529, 0.705, 0.024},
2280 { 0.284, 0.668, 0.143, -0.016, -0.015, -0.065},
2281 {-0.015, -0.027, 0.021, 0.009, 0.075, 0.937}};
2282 const static double pr_dubois_matrix_YB[3][6] = {
2283 { 1.000, -0.193, 0.282, -0.015, -0.116, -0.016},
2284 {-0.024, 0.855, 0.064, 0.006, 0.058, -0.016},
2285 {-0.036, -0.163, 0.021, 0.089, 0.174, 0.858}};
2290 memcpy(pr_dubois_matrix, pr_dubois_matrix_RC, sizeof pr_dubois_matrix);
2293 memcpy(pr_dubois_matrix, pr_dubois_matrix_GM, sizeof pr_dubois_matrix);
2296 memcpy(pr_dubois_matrix, pr_dubois_matrix_YB, sizeof pr_dubois_matrix);
2300 srs = gdk_pixbuf_get_rowstride(right);
2301 s_pix = gdk_pixbuf_get_pixels(right);
2302 spi = s_pix + (x * COLOR_BYTES);
2304 drs = gdk_pixbuf_get_rowstride(pixbuf);
2305 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2306 dpi = d_pix + x * COLOR_BYTES;
2308 for (i = y; i < y + h; i++)
2310 sp = spi + (i * srs);
2311 dp = dpi + (i * drs);
2312 for (j = 0; j < w; j++)
2315 for (k = 0; k < 3; k++)
2317 const double *m = pr_dubois_matrix[k];
2318 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];
2319 if (res[k] < 0.0) res[k] = 0;
2320 if (res[k] > 255.0) res[k] = 255.0;
2331 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2333 if (mode & PR_STEREO_ANAGLYPH_RC)
2334 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, RC);
2335 else if (mode & PR_STEREO_ANAGLYPH_GM)
2336 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, GM);
2337 else if (mode & PR_STEREO_ANAGLYPH_YB)
2338 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, YB);
2339 else if (mode & PR_STEREO_ANAGLYPH_GRAY_RC)
2340 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, RC);
2341 else if (mode & PR_STEREO_ANAGLYPH_GRAY_GM)
2342 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, GM);
2343 else if (mode & PR_STEREO_ANAGLYPH_GRAY_YB)
2344 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, YB);
2345 else if (mode & PR_STEREO_ANAGLYPH_DB_RC)
2346 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, RC);
2347 else if (mode & PR_STEREO_ANAGLYPH_DB_GM)
2348 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, GM);
2349 else if (mode & PR_STEREO_ANAGLYPH_DB_YB)
2350 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, YB);
2354 *-------------------------------------------------------------------
2356 *-------------------------------------------------------------------
2358 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2360 pr->stereo_pixbuf_offset_left = 0;
2361 pr->stereo_pixbuf_offset_right = 0;
2362 if (!pr->pixbuf) return;
2363 switch (pr->orientation)
2365 case EXIF_ORIENTATION_LEFT_TOP:
2366 case EXIF_ORIENTATION_RIGHT_TOP:
2367 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2368 case EXIF_ORIENTATION_LEFT_BOTTOM:
2369 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2370 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2371 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2373 pr->image_height /= 2;
2374 pr->stereo_pixbuf_offset_right = pr->image_height;
2376 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2378 pr->image_height /= 2;
2379 pr->stereo_pixbuf_offset_left = pr->image_height;
2384 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2385 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2386 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2388 pr->image_width /= 2;
2389 pr->stereo_pixbuf_offset_right = pr->image_width;
2391 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2393 pr->image_width /= 2;
2394 pr->stereo_pixbuf_offset_left = pr->image_width;
2399 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2401 if (pixbuf) g_object_ref(pixbuf);
2402 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2403 pr->pixbuf = pixbuf;
2407 /* no pixbuf so just clear the window */
2408 pr->image_width = 0;
2409 pr->image_height = 0;
2411 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2412 and used for pixbuf_renderer_zoom_get */
2414 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2415 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2417 pr_update_signal(pr);
2422 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2424 gint disable = !pr->pixbuf || ! pr->stereo_data;
2425 pr_stereo_temp_disable(pr, disable);
2428 pr_pixbuf_size_sync(pr);
2429 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2430 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2431 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2434 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2436 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2438 pr_source_tile_unset(pr);
2440 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2442 pr_update_signal(pr);
2445 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2447 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2449 pr_source_tile_unset(pr);
2451 pr->orientation = orientation;
2452 pr->stereo_data = stereo_data;
2453 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2455 pr_update_signal(pr);
2458 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2460 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2465 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2467 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2469 pr->orientation = orientation;
2471 pr_pixbuf_size_sync(pr);
2472 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2475 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2478 return pr->orientation;
2481 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2483 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2484 if (pr->stereo_data == stereo_data) return;
2487 pr->stereo_data = stereo_data;
2489 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2491 gint disable = !pr->pixbuf || ! pr->stereo_data;
2492 pr_stereo_temp_disable(pr, disable);
2494 pr_pixbuf_size_sync(pr);
2495 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2496 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2497 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2500 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2502 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2504 pr->func_post_process = func;
2505 pr->post_process_user_data = user_data;
2506 pr->post_process_slow = func && slow;
2511 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2514 PixbufRendererScrollResetType scroll_reset;
2516 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2517 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2519 if (pr == source) return;
2521 object = G_OBJECT(pr);
2523 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2524 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2525 g_object_set(object, "loading", source->loading, NULL);
2527 pr->complete = source->complete;
2529 pr->x_scroll = source->x_scroll;
2530 pr->y_scroll = source->y_scroll;
2531 pr->x_mouse = source->x_mouse;
2532 pr->y_mouse = source->y_mouse;
2534 scroll_reset = pr->scroll_reset;
2535 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2537 pr->func_post_process = source->func_post_process;
2538 pr->post_process_user_data = source->post_process_user_data;
2539 pr->post_process_slow = source->post_process_slow;
2540 pr->orientation = source->orientation;
2541 pr->stereo_data = source->stereo_data;
2543 if (source->source_tiles_enabled)
2545 pr_source_tile_unset(pr);
2547 pr->source_tiles_enabled = source->source_tiles_enabled;
2548 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2549 pr->source_tile_width = source->source_tile_width;
2550 pr->source_tile_height = source->source_tile_height;
2551 pr->image_width = source->image_width;
2552 pr->image_height = source->image_height;
2554 pr->func_tile_request = source->func_tile_request;
2555 pr->func_tile_dispose = source->func_tile_dispose;
2556 pr->func_tile_data = source->func_tile_data;
2558 pr->source_tiles = source->source_tiles;
2559 source->source_tiles = NULL;
2561 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2565 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2568 pr->scroll_reset = scroll_reset;
2570 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2573 void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source)
2576 PixbufRendererScrollResetType scroll_reset;
2578 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2579 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2581 if (pr == source) return;
2583 object = G_OBJECT(pr);
2585 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2586 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2587 g_object_set(object, "loading", source->loading, NULL);
2589 pr->complete = source->complete;
2591 pr->x_scroll = source->x_scroll;
2592 pr->y_scroll = source->y_scroll;
2593 pr->x_mouse = source->x_mouse;
2594 pr->y_mouse = source->y_mouse;
2596 scroll_reset = pr->scroll_reset;
2597 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2599 pr->orientation = source->orientation;
2600 pr->stereo_data = source->stereo_data;
2602 if (source->source_tiles_enabled)
2604 pr->source_tiles_enabled = source->source_tiles_enabled;
2605 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2606 pr->source_tile_width = source->source_tile_width;
2607 pr->source_tile_height = source->source_tile_height;
2608 pr->image_width = source->image_width;
2609 pr->image_height = source->image_height;
2611 pr->func_tile_request = source->func_tile_request;
2612 pr->func_tile_dispose = source->func_tile_dispose;
2613 pr->func_tile_data = source->func_tile_data;
2615 pr->source_tiles = source->source_tiles;
2616 source->source_tiles = NULL;
2618 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2622 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2625 pr->scroll_reset = scroll_reset;
2628 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2630 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2632 if (pr->source_tiles_enabled)
2634 pr_source_tile_changed(pr, x, y, w, h);
2637 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2638 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2641 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2643 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2645 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2648 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2650 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2652 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2655 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2657 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2659 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2662 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2664 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2669 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2671 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2676 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2678 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2680 if (min > 1.0 || max < 1.0) return;
2681 if (min < 1.0 && min > -1.0) return;
2682 if (min < -200.0 || max > 200.0) return;
2684 if (pr->zoom_min != min)
2687 g_object_notify(G_OBJECT(pr), "zoom_min");
2689 if (pr->zoom_max != max)
2692 g_object_notify(G_OBJECT(pr), "zoom_max");
2696 static void pr_stereo_set(PixbufRenderer *pr)
2698 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2700 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2702 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2704 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2705 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2709 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2710 pr->renderer2 = NULL;
2712 if (pr->stereo_mode & PR_STEREO_HALF)
2714 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2715 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2716 else pr->aspect_ratio = 1.0;
2720 pr->aspect_ratio = 1.0;
2724 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2726 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2727 pr->stereo_mode = stereo_mode;
2728 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2730 pr->stereo_temp_disable = FALSE;
2736 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2737 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2741 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2743 pr->stereo_fixed_width = width;
2744 pr->stereo_fixed_height = height;
2745 pr->stereo_fixed_x_left = x1;
2746 pr->stereo_fixed_y_left = y1;
2747 pr->stereo_fixed_x_right = x2;
2748 pr->stereo_fixed_y_right = y2;
2751 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2753 return pr->stereo_mode;
2756 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2758 if (pr->stereo_temp_disable == disable) return;
2759 pr->stereo_temp_disable = disable;
2762 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2763 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2764 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2765 pr->renderer2 = NULL;
2766 pr->aspect_ratio = 1.0;
2772 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2775 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2776 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2778 GdkPixbuf *pb = pr->pixbuf;
2781 gint map_x, map_y, map_w, map_h;
2784 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2785 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2787 if (!pr->pixbuf && !pr->source_tiles_enabled)
2795 if (!pb) return FALSE;
2797 pr_tile_region_map_orientation(pr->orientation,
2799 pr->image_width, pr->image_height,
2800 1, 1, /*single pixel */
2804 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2805 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2807 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2808 prs = gdk_pixbuf_get_rowstride(pb);
2809 p_pix = gdk_pixbuf_get_pixels(pb);
2811 xoff = (size_t)map_x * (p_alpha ? 4 : 3);
2812 yoff = (size_t)map_y * prs;
2813 pp = p_pix + yoff + xoff;
2823 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2825 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2827 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2828 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2830 if (!pr->pixbuf && !pr->source_tiles_enabled)
2832 *x_pixel_return = -1;
2833 *y_pixel_return = -1;
2837 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2838 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2839 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2840 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2842 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2844 /* mouse is not on pr */
2845 x_pixel = y_pixel = -1;
2848 *x_pixel_return = x_pixel;
2849 *y_pixel_return = y_pixel;
2854 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2856 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2857 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2859 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2866 *width = pr->image_width;
2867 *height = pr->image_height;
2871 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2873 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2874 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2876 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2884 *height = pr->height;
2888 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2890 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2891 g_return_val_if_fail(rect != NULL, FALSE);
2893 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2903 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2904 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2905 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2906 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2910 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2912 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2913 g_return_val_if_fail(rect != NULL, FALSE);
2915 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2924 rect->x = pr->x_scroll;
2925 rect->y = pr->y_scroll;
2926 rect->width = pr->vis_width;
2927 rect->height = pr->vis_height;
2931 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2934 /* FIXME: this function does not consider the image orientation,
2935 so it probably only breaks something */
2939 zoom = pixbuf_renderer_zoom_get(pr);
2940 pr->image_width = width;
2941 pr->image_height = height;
2943 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2948 //pr->width = width;
2949 //pr->height = height;
2953 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */