4 * Copyright (C) 2008 - 2012 The Geeqie Team
8 * This software is released under the GNU General Public License (GNU GPL).
9 * Please read the included file COPYING for more information.
10 * This software comes with no warranty of any kind, use at your own risk!
19 #include "pixbuf-renderer.h"
20 #include "renderer-tiles.h"
21 #include "renderer-clutter.h"
28 /* comment this out if not using this from within Geeqie
29 * defining GQ_BUILD does these things:
30 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
36 #include "pixbuf_util.h"
40 EXIF_ORIENTATION_UNKNOWN = 0,
41 EXIF_ORIENTATION_TOP_LEFT = 1,
42 EXIF_ORIENTATION_TOP_RIGHT = 2,
43 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
44 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
45 EXIF_ORIENTATION_LEFT_TOP = 5,
46 EXIF_ORIENTATION_RIGHT_TOP = 6,
47 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
48 EXIF_ORIENTATION_LEFT_BOTTOM = 8
49 } ExifOrientationType;
53 /* default min and max zoom */
54 #define PR_ZOOM_MIN -32.0
55 #define PR_ZOOM_MAX 32.0
57 /* distance to drag mouse to disable image flip */
58 #define PR_DRAG_SCROLL_THRESHHOLD 4
60 /* increase pan rate when holding down shift */
61 #define PR_PAN_SHIFT_MULTIPLIER 6
64 #define PR_SCROLLER_UPDATES_PER_SEC 30
65 #define PR_SCROLLER_DEAD_ZONE 6
67 /* when scaling image to below this size, use nearest pixel for scaling
68 * (below about 4, the other scale types become slow generating their conversion tables)
70 #define PR_MIN_SCALE_SIZE 8
76 SIGNAL_RENDER_COMPLETE,
93 PROP_CACHE_SIZE_DISPLAY,
94 PROP_CACHE_SIZE_TILES,
97 PROP_WINDOW_LIMIT_VALUE,
99 PROP_AUTOFIT_LIMIT_VALUE
104 PR_ZOOM_FORCE = 1 << 0,
105 PR_ZOOM_NEW = 1 << 1,
106 PR_ZOOM_CENTER = 1 << 2,
107 PR_ZOOM_INVALIDATE = 1 << 3,
108 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
111 static guint signals[SIGNAL_COUNT] = { 0 };
112 static GtkEventBoxClass *parent_class = NULL;
116 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
117 static void pixbuf_renderer_init(PixbufRenderer *pr);
118 static void pixbuf_renderer_finalize(GObject *object);
119 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
120 const GValue *value, GParamSpec *pspec);
121 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
122 GValue *value, GParamSpec *pspec);
123 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
126 static void pr_source_tile_free_all(PixbufRenderer *pr);
128 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
129 PrZoomFlags flags, gint px, gint py);
131 static void pr_signals_connect(PixbufRenderer *pr);
132 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
133 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
137 *-------------------------------------------------------------------
138 * Pixbuf Renderer object
139 *-------------------------------------------------------------------
142 GType pixbuf_renderer_get_type(void)
144 static GType pixbuf_renderer_type = 0;
146 if (!pixbuf_renderer_type)
148 static const GTypeInfo pixbuf_renderer_info =
150 sizeof(PixbufRendererClass), /* class_size */
151 NULL, /* base_init */
152 NULL, /* base_finalize */
153 (GClassInitFunc)pixbuf_renderer_class_init,
154 NULL, /* class_finalize */
155 NULL, /* class_data */
156 sizeof(PixbufRenderer), /* instance_size */
158 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
159 NULL, /* value_table */
162 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
163 &pixbuf_renderer_info, 0);
166 return pixbuf_renderer_type;
169 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
171 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
173 parent_class = g_type_class_peek_parent(class);
175 gobject_class->set_property = pixbuf_renderer_set_property;
176 gobject_class->get_property = pixbuf_renderer_get_property;
178 gobject_class->finalize = pixbuf_renderer_finalize;
180 g_object_class_install_property(gobject_class,
182 g_param_spec_double("zoom_min",
188 G_PARAM_READABLE | G_PARAM_WRITABLE));
190 g_object_class_install_property(gobject_class,
192 g_param_spec_double("zoom_max",
198 G_PARAM_READABLE | G_PARAM_WRITABLE));
200 g_object_class_install_property(gobject_class,
202 g_param_spec_uint("zoom_quality",
208 G_PARAM_READABLE | G_PARAM_WRITABLE));
210 g_object_class_install_property(gobject_class,
212 g_param_spec_boolean("zoom_2pass",
216 G_PARAM_READABLE | G_PARAM_WRITABLE));
218 g_object_class_install_property(gobject_class,
220 g_param_spec_boolean("zoom_expand",
221 "Expand image in autozoom.",
224 G_PARAM_READABLE | G_PARAM_WRITABLE));
225 g_object_class_install_property(gobject_class,
227 g_param_spec_uint("scroll_reset",
228 "New image scroll reset",
230 PR_SCROLL_RESET_TOPLEFT,
231 PR_SCROLL_RESET_NOCHANGE,
232 PR_SCROLL_RESET_TOPLEFT,
233 G_PARAM_READABLE | G_PARAM_WRITABLE));
235 g_object_class_install_property(gobject_class,
237 g_param_spec_boolean("delay_flip",
238 "Delay image update",
241 G_PARAM_READABLE | G_PARAM_WRITABLE));
243 g_object_class_install_property(gobject_class,
245 g_param_spec_boolean("loading",
246 "Image actively loading",
249 G_PARAM_READABLE | G_PARAM_WRITABLE));
251 g_object_class_install_property(gobject_class,
253 g_param_spec_boolean("complete",
254 "Image rendering complete",
257 G_PARAM_READABLE | G_PARAM_WRITABLE));
259 g_object_class_install_property(gobject_class,
260 PROP_CACHE_SIZE_DISPLAY,
261 g_param_spec_uint("cache_display",
262 "Display cache size MB",
266 PR_CACHE_SIZE_DEFAULT,
267 G_PARAM_READABLE | G_PARAM_WRITABLE));
269 g_object_class_install_property(gobject_class,
270 PROP_CACHE_SIZE_TILES,
271 g_param_spec_uint("cache_tiles",
273 "Number of tiles to retain in memory at any one time.",
276 PR_CACHE_SIZE_DEFAULT,
277 G_PARAM_READABLE | G_PARAM_WRITABLE));
279 g_object_class_install_property(gobject_class,
281 g_param_spec_boolean("window_fit",
282 "Fit window to image size",
285 G_PARAM_READABLE | G_PARAM_WRITABLE));
287 g_object_class_install_property(gobject_class,
289 g_param_spec_boolean("window_limit",
290 "Limit size of parent window",
293 G_PARAM_READABLE | G_PARAM_WRITABLE));
295 g_object_class_install_property(gobject_class,
296 PROP_WINDOW_LIMIT_VALUE,
297 g_param_spec_uint("window_limit_value",
298 "Size limit of parent window",
303 G_PARAM_READABLE | G_PARAM_WRITABLE));
305 g_object_class_install_property(gobject_class,
307 g_param_spec_boolean("autofit_limit",
308 "Limit size of image when autofitting",
311 G_PARAM_READABLE | G_PARAM_WRITABLE));
313 g_object_class_install_property(gobject_class,
314 PROP_AUTOFIT_LIMIT_VALUE,
315 g_param_spec_uint("autofit_limit_value",
316 "Size limit of image when autofitting",
321 G_PARAM_READABLE | G_PARAM_WRITABLE));
324 signals[SIGNAL_ZOOM] =
326 G_OBJECT_CLASS_TYPE(gobject_class),
328 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
330 g_cclosure_marshal_VOID__DOUBLE,
334 signals[SIGNAL_CLICKED] =
335 g_signal_new("clicked",
336 G_OBJECT_CLASS_TYPE(gobject_class),
338 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
340 g_cclosure_marshal_VOID__BOXED,
344 signals[SIGNAL_SCROLL_NOTIFY] =
345 g_signal_new("scroll-notify",
346 G_OBJECT_CLASS_TYPE(gobject_class),
348 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
350 g_cclosure_marshal_VOID__VOID,
353 signals[SIGNAL_RENDER_COMPLETE] =
354 g_signal_new("render-complete",
355 G_OBJECT_CLASS_TYPE(gobject_class),
357 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
359 g_cclosure_marshal_VOID__VOID,
362 signals[SIGNAL_DRAG] =
364 G_OBJECT_CLASS_TYPE(gobject_class),
366 G_STRUCT_OFFSET(PixbufRendererClass, drag),
368 g_cclosure_marshal_VOID__BOXED,
372 signals[SIGNAL_UPDATE_PIXEL] =
373 g_signal_new("update-pixel",
374 G_OBJECT_CLASS_TYPE(gobject_class),
376 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
378 g_cclosure_marshal_VOID__VOID,
382 static RendererFuncs *pr_backend_renderer_new(PixbufRenderer *pr)
384 if (options->image.use_clutter_renderer)
387 return renderer_clutter_new(pr);
389 DEBUG_0("Geeqie is built without clutter renderer support");
392 return renderer_tiles_new(pr);
396 static void pixbuf_renderer_init(PixbufRenderer *pr)
400 box = GTK_WIDGET(pr);
402 pr->zoom_min = PR_ZOOM_MIN;
403 pr->zoom_max = PR_ZOOM_MAX;
404 pr->zoom_quality = GDK_INTERP_BILINEAR;
405 pr->zoom_2pass = FALSE;
409 pr->aspect_ratio = 1.0;
411 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
414 pr->scroller_overlay = -1;
419 pr->source_tiles_enabled = FALSE;
420 pr->source_tiles = NULL;
424 pr->norm_center_x = 0.5;
425 pr->norm_center_y = 0.5;
427 pr->stereo_mode = PR_STEREO_NONE;
429 pr->renderer = pr_backend_renderer_new(pr);
431 pr->renderer2 = NULL;
433 gtk_widget_set_double_buffered(box, FALSE);
434 g_signal_connect_after(G_OBJECT(box), "size_allocate",
435 G_CALLBACK(pr_size_cb), pr);
437 pr_signals_connect(pr);
440 static void pixbuf_renderer_finalize(GObject *object)
444 pr = PIXBUF_RENDERER(object);
446 pr->renderer->free(pr->renderer);
447 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
450 if (pr->pixbuf) g_object_unref(pr->pixbuf);
452 pr_scroller_timer_set(pr, FALSE);
454 pr_source_tile_free_all(pr);
457 PixbufRenderer *pixbuf_renderer_new(void)
459 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
462 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
463 const GValue *value, GParamSpec *pspec)
467 pr = PIXBUF_RENDERER(object);
472 pr->zoom_min = g_value_get_double(value);
475 pr->zoom_max = g_value_get_double(value);
477 case PROP_ZOOM_QUALITY:
478 pr->zoom_quality = g_value_get_uint(value);
480 case PROP_ZOOM_2PASS:
481 pr->zoom_2pass = g_value_get_boolean(value);
483 case PROP_ZOOM_EXPAND:
484 pr->zoom_expand = g_value_get_boolean(value);
486 case PROP_SCROLL_RESET:
487 pr->scroll_reset = g_value_get_uint(value);
489 case PROP_DELAY_FLIP:
490 pr->delay_flip = g_value_get_boolean(value);
493 pr->loading = g_value_get_boolean(value);
496 pr->complete = g_value_get_boolean(value);
498 case PROP_CACHE_SIZE_DISPLAY:
499 // pr->tile_cache_max = g_value_get_uint(value);
501 case PROP_CACHE_SIZE_TILES:
502 pr->source_tiles_cache_size = g_value_get_uint(value);
504 case PROP_WINDOW_FIT:
505 pr->window_fit = g_value_get_boolean(value);
507 case PROP_WINDOW_LIMIT:
508 pr->window_limit = g_value_get_boolean(value);
510 case PROP_WINDOW_LIMIT_VALUE:
511 pr->window_limit_size = g_value_get_uint(value);
513 case PROP_AUTOFIT_LIMIT:
514 pr->autofit_limit = g_value_get_boolean(value);
516 case PROP_AUTOFIT_LIMIT_VALUE:
517 pr->autofit_limit_size = g_value_get_uint(value);
520 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
525 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
526 GValue *value, GParamSpec *pspec)
530 pr = PIXBUF_RENDERER(object);
535 g_value_set_double(value, pr->zoom_min);
538 g_value_set_double(value, pr->zoom_max);
540 case PROP_ZOOM_QUALITY:
541 g_value_set_uint(value, pr->zoom_quality);
543 case PROP_ZOOM_2PASS:
544 g_value_set_boolean(value, pr->zoom_2pass);
546 case PROP_ZOOM_EXPAND:
547 g_value_set_boolean(value, pr->zoom_expand);
549 case PROP_SCROLL_RESET:
550 g_value_set_uint(value, pr->scroll_reset);
552 case PROP_DELAY_FLIP:
553 g_value_set_boolean(value, pr->delay_flip);
556 g_value_set_boolean(value, pr->loading);
559 g_value_set_boolean(value, pr->complete);
561 case PROP_CACHE_SIZE_DISPLAY:
562 // g_value_set_uint(value, pr->tile_cache_max);
564 case PROP_CACHE_SIZE_TILES:
565 g_value_set_uint(value, pr->source_tiles_cache_size);
567 case PROP_WINDOW_FIT:
568 g_value_set_boolean(value, pr->window_fit);
570 case PROP_WINDOW_LIMIT:
571 g_value_set_boolean(value, pr->window_limit);
573 case PROP_WINDOW_LIMIT_VALUE:
574 g_value_set_uint(value, pr->window_limit_size);
576 case PROP_AUTOFIT_LIMIT:
577 g_value_set_boolean(value, pr->autofit_limit);
579 case PROP_AUTOFIT_LIMIT_VALUE:
580 g_value_set_uint(value, pr->autofit_limit_size);
583 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
590 *-------------------------------------------------------------------
592 *-------------------------------------------------------------------
595 static void widget_set_cursor(GtkWidget *widget, gint icon)
599 if (!gtk_widget_get_window(widget)) return;
607 cursor = gdk_cursor_new(icon);
610 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
612 if (cursor) gdk_cursor_unref(cursor);
615 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
616 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
617 gint *rx, gint *ry, gint *rw, gint *rh)
619 if (clip_x + clip_w <= x ||
621 clip_y + clip_h <= y ||
627 *rx = MAX(x, clip_x);
628 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
630 *ry = MAX(y, clip_y);
631 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
636 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
638 GdkWindowState state;
640 if (!pr->parent_window) return FALSE;
641 if (!pr->window_fit) return FALSE;
642 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
644 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
645 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
646 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
651 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
656 GtkAllocation widget_allocation;
657 GtkAllocation parent_allocation;
659 if (!pr_parent_window_sizable(pr)) return FALSE;
661 if (pr->window_limit)
663 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
664 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
670 widget = GTK_WIDGET(pr);
671 parent = GTK_WIDGET(pr->parent_window);
673 gtk_widget_get_allocation(widget, &widget_allocation);
674 gtk_widget_get_allocation(parent, &parent_allocation);
676 w += (parent_allocation.width - widget_allocation.width);
677 h += (parent_allocation.height - widget_allocation.height);
679 ww = gdk_window_get_width(gtk_widget_get_window(parent));
680 wh = gdk_window_get_height(gtk_widget_get_window(parent));
681 if (w == ww && h == wh) return FALSE;
683 gdk_window_resize(gtk_widget_get_window(parent), w, h);
688 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
690 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
691 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
693 pr->parent_window = GTK_WIDGET(window);
696 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
698 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
700 return GTK_WINDOW(pr->parent_window);
705 *-------------------------------------------------------------------
707 *-------------------------------------------------------------------
711 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
712 OverlayRendererFlags flags)
714 /* let's assume both renderers returns the same value */
715 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
716 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
719 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
721 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
722 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
725 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
727 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
728 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
731 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
733 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
734 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
738 *-------------------------------------------------------------------
740 *-------------------------------------------------------------------
744 static gboolean pr_scroller_update_cb(gpointer data)
746 PixbufRenderer *pr = data;
750 /* this was a simple scroll by difference between scroller and mouse position,
751 * but all this math results in a smoother result and accounts for a dead zone.
754 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
760 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
761 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
762 x += (x > 0) ? -shift : shift;
765 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
771 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
772 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
773 y += (y > 0) ? -shift : shift;
776 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
782 xinc = pr->scroller_xinc;
786 if (xinc < 0) xinc = 0;
787 if (x < xinc) xinc = x;
788 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
792 if (xinc > 0) xinc = 0;
793 if (x > xinc) xinc = x;
794 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
798 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
804 yinc = pr->scroller_yinc;
808 if (yinc < 0) yinc = 0;
809 if (y < yinc) yinc = y;
810 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
814 if (yinc > 0) yinc = 0;
815 if (y > yinc) yinc = y;
816 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
820 pr->scroller_xinc = xinc;
821 pr->scroller_yinc = yinc;
823 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
824 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
826 pixbuf_renderer_scroll(pr, xinc, yinc);
831 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
835 g_source_remove(pr->scroller_id);
841 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
842 pr_scroller_update_cb, pr);
846 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
848 if (pr->scroller_overlay == -1)
854 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
856 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
857 gdk_pixbuf_fill(pixbuf, 0x000000ff);
859 w = gdk_pixbuf_get_width(pixbuf);
860 h = gdk_pixbuf_get_height(pixbuf);
862 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
863 g_object_unref(pixbuf);
868 pr->scroller_xpos = x;
869 pr->scroller_ypos = y;
871 pr_scroller_timer_set(pr, TRUE);
874 static void pr_scroller_stop(PixbufRenderer *pr)
876 if (!pr->scroller_id) return;
878 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
879 pr->scroller_overlay = -1;
881 pr_scroller_timer_set(pr, FALSE);
885 *-------------------------------------------------------------------
887 *-------------------------------------------------------------------
890 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
895 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
897 widget = GTK_WIDGET(pr);
902 style = gtk_style_copy(gtk_widget_get_style(widget));
903 slot = &style->bg[GTK_STATE_NORMAL];
905 slot->red = color->red;
906 slot->green = color->green;
907 slot->blue = color->blue;
910 style = gtk_style_copy(gtk_widget_get_default_style());
913 gtk_widget_set_style(widget, style);
915 pr->renderer->update_sizes(pr->renderer);
916 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
920 *-------------------------------------------------------------------
922 *-------------------------------------------------------------------
925 static void pr_source_tile_free(SourceTile *st)
929 if (st->pixbuf) g_object_unref(st->pixbuf);
933 static void pr_source_tile_free_all(PixbufRenderer *pr)
937 work = pr->source_tiles;
945 pr_source_tile_free(st);
948 g_list_free(pr->source_tiles);
949 pr->source_tiles = NULL;
952 static void pr_source_tile_unset(PixbufRenderer *pr)
954 pr_source_tile_free_all(pr);
955 pr->source_tiles_enabled = FALSE;
958 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
962 if (!st) return FALSE;
964 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
965 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
966 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
967 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
970 x2 = pr->x_scroll + pr->vis_width;
971 y2 = pr->y_scroll + pr->vis_height;
973 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
974 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
975 (gdouble)st->y * pr->scale > (gdouble)y2 ||
976 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
979 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
981 SourceTile *st = NULL;
984 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
986 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
988 count = g_list_length(pr->source_tiles);
989 if (count >= pr->source_tiles_cache_size)
993 work = g_list_last(pr->source_tiles);
994 while (work && count >= pr->source_tiles_cache_size)
1001 if (!pr_source_tile_visible(pr, needle))
1003 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1005 if (pr->func_tile_dispose)
1007 pr->func_tile_dispose(pr, needle->x, needle->y,
1008 pr->source_tile_width, pr->source_tile_height,
1009 needle->pixbuf, pr->func_tile_data);
1018 pr_source_tile_free(needle);
1028 st = g_new0(SourceTile, 1);
1029 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1030 pr->source_tile_width, pr->source_tile_height);
1033 st->x = ROUND_DOWN(x, pr->source_tile_width);
1034 st->y = ROUND_DOWN(y, pr->source_tile_height);
1037 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1042 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1046 st = pr_source_tile_new(pr, x, y);
1047 if (!st) return NULL;
1049 if (pr->func_tile_request &&
1050 pr->func_tile_request(pr, st->x, st->y,
1051 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1056 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1057 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1058 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1059 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1063 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1067 work = pr->source_tiles;
1070 SourceTile *st = work->data;
1072 if (x >= st->x && x < st->x + pr->source_tile_width &&
1073 y >= st->y && y < st->y + pr->source_tile_height)
1075 if (work != pr->source_tiles)
1077 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1078 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1089 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1097 if (w > pr->image_width) w = pr->image_width;
1098 if (h > pr->image_height) h = pr->image_height;
1100 sx = ROUND_DOWN(x, pr->source_tile_width);
1101 sy = ROUND_DOWN(y, pr->source_tile_height);
1103 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1105 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1109 st = pr_source_tile_find(pr, x1, y1);
1110 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1112 if (st) list = g_list_prepend(list, st);
1116 return g_list_reverse(list);
1119 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1123 if (width < 1 || height < 1) return;
1125 work = pr->source_tiles;
1129 gint rx, ry, rw, rh;
1134 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1135 x, y, width, height,
1136 &rx, &ry, &rw, &rh))
1140 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1141 if (pr->func_tile_request &&
1142 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1144 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1145 rw * pr->scale, rh * pr->scale);
1146 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1147 rw * pr->scale, rh * pr->scale);
1149 g_object_unref(pixbuf);
1154 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1155 gint tile_width, gint tile_height, gint cache_size,
1156 PixbufRendererTileRequestFunc func_request,
1157 PixbufRendererTileDisposeFunc func_dispose,
1161 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1162 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1163 g_return_if_fail(width >= 32 && height > 32);
1164 g_return_if_fail(func_request != NULL);
1166 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1169 pr_source_tile_unset(pr);
1171 if (cache_size < 4) cache_size = 4;
1173 pr->source_tiles_enabled = TRUE;
1174 pr->source_tiles_cache_size = cache_size;
1175 pr->source_tile_width = tile_width;
1176 pr->source_tile_height = tile_height;
1178 pr->image_width = width;
1179 pr->image_height = height;
1181 pr->func_tile_request = func_request;
1182 pr->func_tile_dispose = func_dispose;
1183 pr->func_tile_data = user_data;
1185 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1188 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1190 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1191 g_return_if_fail(width >= 32 && height > 32);
1193 if (!pr->source_tiles_enabled) return;
1194 if (pr->image_width == width && pr->image_height == height) return;
1196 pr->image_width = width;
1197 pr->image_height = height;
1199 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1202 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1204 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1206 return pr->source_tiles_enabled;
1209 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1210 PrZoomFlags flags, gint x, gint y)
1212 gdouble zoom = pr->zoom;
1214 if (increment == 0.0) return;
1218 if (pr->scale < 1.0)
1220 zoom = 0.0 - 1.0 / pr->scale;
1228 if (increment < 0.0)
1230 if (zoom >= 1.0 && zoom + increment < 1.0)
1232 zoom = zoom + increment - 2.0;
1236 zoom = zoom + increment;
1241 if (zoom <= -1.0 && zoom + increment > -1.0)
1243 zoom = zoom + increment + 2.0;
1247 zoom = zoom + increment;
1251 pr_zoom_sync(pr, zoom, flags, x, y);
1256 *-------------------------------------------------------------------
1258 *-------------------------------------------------------------------
1261 static void pr_update_signal(PixbufRenderer *pr)
1264 log_printf("FIXME: send updated signal\n");
1266 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1267 pr->debug_updated = TRUE;
1270 static void pr_zoom_signal(PixbufRenderer *pr)
1272 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1275 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1277 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1280 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1282 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1285 void pr_render_complete_signal(PixbufRenderer *pr)
1289 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1290 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1292 if (pr->debug_updated)
1294 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1295 pr->debug_updated = FALSE;
1299 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1301 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1304 static void pr_update_pixel_signal(PixbufRenderer *pr)
1306 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1310 *-------------------------------------------------------------------
1312 *-------------------------------------------------------------------
1316 void pr_tile_coords_map_orientation(gint orientation,
1317 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1318 gdouble image_w, gdouble image_h,
1319 gdouble tile_w, gdouble tile_h,
1320 gdouble *res_x, gdouble *res_y)
1324 switch (orientation)
1326 case EXIF_ORIENTATION_TOP_LEFT:
1327 /* normal -- nothing to do */
1329 case EXIF_ORIENTATION_TOP_RIGHT:
1331 *res_x = image_w - tile_x - tile_w;
1333 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1335 *res_x = image_w - tile_x - tile_w;
1336 *res_y = image_h - tile_y - tile_h;
1338 case EXIF_ORIENTATION_BOTTOM_LEFT:
1340 *res_y = image_h - tile_y - tile_h;
1342 case EXIF_ORIENTATION_LEFT_TOP:
1346 case EXIF_ORIENTATION_RIGHT_TOP:
1347 /* rotated -90 (270) */
1349 *res_y = image_w - tile_x - tile_w;
1351 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1352 *res_x = image_h - tile_y - tile_h;
1353 *res_y = image_w - tile_x - tile_w;
1355 case EXIF_ORIENTATION_LEFT_BOTTOM:
1357 *res_x = image_h - tile_y - tile_h;
1361 /* The other values are out of range */
1364 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1367 void pr_tile_region_map_orientation(gint orientation,
1368 gint area_x, gint area_y, /* coordinates of the area inside tile */
1369 gint tile_w, gint tile_h,
1370 gint area_w, gint area_h,
1371 gint *res_x, gint *res_y,
1372 gint *res_w, gint *res_h)
1379 switch (orientation)
1381 case EXIF_ORIENTATION_TOP_LEFT:
1382 /* normal -- nothing to do */
1384 case EXIF_ORIENTATION_TOP_RIGHT:
1386 *res_x = tile_w - area_x - area_w;
1388 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1390 *res_x = tile_w - area_x - area_w;
1391 *res_y = tile_h - area_y - area_h;
1393 case EXIF_ORIENTATION_BOTTOM_LEFT:
1395 *res_y = tile_h - area_y - area_h;
1397 case EXIF_ORIENTATION_LEFT_TOP:
1403 case EXIF_ORIENTATION_RIGHT_TOP:
1404 /* rotated -90 (270) */
1406 *res_y = tile_w - area_x - area_w;
1410 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1411 *res_x = tile_h - area_y - area_h;
1412 *res_y = tile_w - area_x - area_w;
1416 case EXIF_ORIENTATION_LEFT_BOTTOM:
1418 *res_x = tile_h - area_y - area_h;
1424 /* The other values are out of range */
1427 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1430 void pr_coords_map_orientation_reverse(gint orientation,
1431 gint area_x, gint area_y,
1432 gint tile_w, gint tile_h,
1433 gint area_w, gint area_h,
1434 gint *res_x, gint *res_y,
1435 gint *res_w, gint *res_h)
1442 switch (orientation)
1444 case EXIF_ORIENTATION_TOP_LEFT:
1445 /* normal -- nothing to do */
1447 case EXIF_ORIENTATION_TOP_RIGHT:
1449 *res_x = tile_w - area_x - area_w;
1451 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1453 *res_x = tile_w - area_x - area_w;
1454 *res_y = tile_h - area_y - area_h;
1456 case EXIF_ORIENTATION_BOTTOM_LEFT:
1458 *res_y = tile_h - area_y - area_h;
1460 case EXIF_ORIENTATION_LEFT_TOP:
1466 case EXIF_ORIENTATION_RIGHT_TOP:
1467 /* rotated -90 (270) */
1468 *res_x = tile_w - area_y - area_h;
1473 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1474 *res_x = tile_w - area_y - area_h;
1475 *res_y = tile_h - area_x - area_w;
1479 case EXIF_ORIENTATION_LEFT_BOTTOM:
1482 *res_y = tile_h - area_x - area_w;
1487 /* The other values are out of range */
1494 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1497 if (!pr->width || !pr->height) return;
1500 * Update norm_center only if the image is bigger than the window.
1501 * With this condition the stored center survives also a temporary display
1502 * of the "broken image" icon.
1505 if (pr->width > pr->viewport_width)
1507 src_x = pr->x_scroll + pr->vis_width / 2;
1508 pr->norm_center_x = (gdouble)src_x / pr->width;
1511 if (pr->height > pr->viewport_height)
1513 src_y = pr->y_scroll + pr->vis_height / 2;
1514 pr->norm_center_y = (gdouble)src_y / pr->height;
1519 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1524 if (pr->zoom == 0.0)
1532 old_xs = pr->x_scroll;
1533 old_ys = pr->y_scroll;
1535 if (pr->x_offset > 0)
1541 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1544 if (pr->y_offset > 0)
1550 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1553 pixbuf_renderer_sync_scroll_center(pr);
1555 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1558 static gboolean pr_size_clamp(PixbufRenderer *pr)
1560 gint old_vw, old_vh;
1562 old_vw = pr->vis_width;
1563 old_vh = pr->vis_height;
1565 if (pr->width < pr->viewport_width)
1567 pr->vis_width = pr->width;
1568 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1572 pr->vis_width = pr->viewport_width;
1576 if (pr->height < pr->viewport_height)
1578 pr->vis_height = pr->height;
1579 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1583 pr->vis_height = pr->viewport_height;
1587 pixbuf_renderer_sync_scroll_center(pr);
1589 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1592 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1593 PrZoomFlags flags, gboolean *redrawn)
1598 gboolean force = !!(flags & PR_ZOOM_FORCE);
1599 gboolean new = !!(flags & PR_ZOOM_NEW);
1600 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1601 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1603 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1605 if (pr->zoom == zoom && !force) return FALSE;
1607 w = pr->image_width;
1608 h = pr->image_height;
1610 if (zoom == 0.0 && !pr->pixbuf)
1614 else if (zoom == 0.0)
1620 sizeable = (new && pr_parent_window_sizable(pr));
1624 max_w = gdk_screen_width();
1625 max_h = gdk_screen_height();
1627 if (pr->window_limit)
1629 max_w = max_w * pr->window_limit_size / 100;
1630 max_h = max_h * pr->window_limit_size / 100;
1635 max_w = pr->viewport_width;
1636 max_h = pr->viewport_height;
1639 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1641 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1643 scale = (gdouble)max_h / h / pr->aspect_ratio;
1645 w = w * scale + 0.5;
1646 if (w > max_w) w = max_w;
1650 scale = (gdouble)max_w / w;
1652 h = h * scale * pr->aspect_ratio + 0.5;
1653 if (h > max_h) h = max_h;
1656 if (pr->autofit_limit)
1658 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1659 w = w * factor + 0.5;
1660 h = h * factor + 0.5;
1661 scale = scale * factor;
1672 else if (zoom > 0.0) /* zoom orig, in */
1676 h = h * scale * pr->aspect_ratio;
1680 scale = 1.0 / (0.0 - zoom);
1682 h = h * scale * pr->aspect_ratio;
1685 invalid = (pr->width != w || pr->height != h);
1692 if (invalidate || invalid)
1694 pr->renderer->update_zoom(pr->renderer, lazy);
1695 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1696 // if (!lazy) pr_redraw(pr, TRUE);
1698 if (redrawn) *redrawn = (invalidate || invalid);
1700 pixbuf_renderer_sync_scroll_center(pr);
1705 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1706 PrZoomFlags flags, gint px, gint py)
1709 gint old_cx, old_cy;
1712 gboolean redrawn = FALSE;
1713 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1714 gboolean force = !!(flags & PR_ZOOM_FORCE);
1715 gboolean new = !!(flags & PR_ZOOM_NEW);
1716 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1717 PrZoomFlags clamp_flags = flags;
1718 gdouble old_center_x = pr->norm_center_x;
1719 gdouble old_center_y = pr->norm_center_y;
1721 old_scale = pr->scale;
1724 px = CLAMP(px, 0, pr->width);
1725 py = CLAMP(py, 0, pr->height);
1726 old_cx = pr->x_scroll + (px - pr->x_offset);
1727 old_cy = pr->y_scroll + (py - pr->y_offset);
1732 old_cx = pr->x_scroll + pr->vis_width / 2;
1733 old_cy = pr->y_scroll + pr->vis_height / 2;
1736 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1737 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1738 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1740 clamped = pr_size_clamp(pr);
1741 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1745 switch (pr->scroll_reset)
1747 case PR_SCROLL_RESET_NOCHANGE:
1748 /* maintain old scroll position */
1749 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1750 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1752 case PR_SCROLL_RESET_CENTER:
1753 /* center new image */
1754 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1755 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1757 case PR_SCROLL_RESET_TOPLEFT:
1759 /* reset to upper left */
1767 /* user zoom does not force, so keep visible center point */
1770 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1771 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1775 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1776 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1780 pr_scroll_clamp(pr);
1785 pr->renderer->queue_clear(pr->renderer);
1786 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1790 pr_redraw(pr, redrawn);
1793 pr->renderer->update_zoom(pr->renderer, lazy);
1794 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1796 pr_scroll_notify_signal(pr);
1798 pr_update_signal(pr);
1801 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1803 gboolean zoom_changed = FALSE;
1805 gint new_viewport_width = new_width;
1806 gint new_viewport_height = new_height;
1808 if (!pr->stereo_temp_disable)
1810 if (pr->stereo_mode & PR_STEREO_HORIZ)
1812 new_viewport_width = new_width / 2;
1814 else if (pr->stereo_mode & PR_STEREO_VERT)
1816 new_viewport_height = new_height / 2;
1818 else if (pr->stereo_mode & PR_STEREO_FIXED)
1820 new_viewport_width = pr->stereo_fixed_width;
1821 new_viewport_height = pr->stereo_fixed_height;
1825 if (pr->window_width == new_width && pr->window_height == new_height &&
1826 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1828 pr->window_width = new_width;
1829 pr->window_height = new_height;
1830 pr->viewport_width = new_viewport_width;
1831 pr->viewport_height = new_viewport_height;
1833 if (pr->zoom == 0.0)
1835 gdouble old_scale = pr->scale;
1836 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1837 zoom_changed = (old_scale != pr->scale);
1841 pr_scroll_clamp(pr);
1843 pr->renderer->update_sizes(pr->renderer);
1844 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1846 /* ensure scroller remains visible */
1847 if (pr->scroller_overlay != -1)
1849 gboolean update = FALSE;
1851 if (pr->scroller_x > new_width)
1853 pr->scroller_x = new_width;
1854 pr->scroller_xpos = new_width;
1857 if (pr->scroller_y > new_height)
1859 pr->scroller_y = new_height;
1860 pr->scroller_ypos = new_height;
1868 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1872 w = gdk_pixbuf_get_width(pixbuf);
1873 h = gdk_pixbuf_get_height(pixbuf);
1874 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1875 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1880 pr_scroll_notify_signal(pr);
1881 if (zoom_changed) pr_zoom_signal(pr);
1882 pr_update_signal(pr);
1885 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1887 PixbufRenderer *pr = data;
1889 pr_size_sync(pr, allocation->width, allocation->height);
1893 *-------------------------------------------------------------------
1895 *-------------------------------------------------------------------
1898 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1903 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1905 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1907 old_x = pr->x_scroll;
1908 old_y = pr->y_scroll;
1913 pr_scroll_clamp(pr);
1915 pixbuf_renderer_sync_scroll_center(pr);
1917 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1919 pr_scroll_notify_signal(pr);
1921 x_off = pr->x_scroll - old_x;
1922 y_off = pr->y_scroll - old_y;
1924 pr->renderer->scroll(pr->renderer, x_off, y_off);
1925 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1928 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1929 gdouble x_align, gdouble y_align)
1934 x_align = CLAMP(x_align, 0.0, 1.0);
1935 y_align = CLAMP(y_align, 0.0, 1.0);
1937 ax = (gdouble)pr->vis_width * x_align;
1938 ay = (gdouble)pr->vis_height * y_align;
1940 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1941 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1943 pixbuf_renderer_scroll(pr, px, py);
1946 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1948 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1950 *x = pr->norm_center_x;
1951 *y = pr->norm_center_y;
1954 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1956 gdouble dst_x, dst_y;
1958 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1959 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1961 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1962 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1964 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1968 *-------------------------------------------------------------------
1970 *-------------------------------------------------------------------
1973 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1978 /* This is a hack, but work far the best, at least for single pointer systems.
1979 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
1981 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
1985 pr = PIXBUF_RENDERER(widget);
1987 if (pr->scroller_id)
1989 pr->scroller_xpos = bevent->x;
1990 pr->scroller_ypos = bevent->y;
1993 pr->x_mouse = bevent->x;
1994 pr->y_mouse = bevent->y;
1995 pr_update_pixel_signal(pr);
1997 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
1999 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2005 widget_set_cursor(widget, GDK_FLEUR);
2008 if (bevent->state & GDK_CONTROL_MASK)
2010 accel = PR_PAN_SHIFT_MULTIPLIER;
2018 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2019 (pr->drag_last_y - bevent->y) * accel);
2021 pr_drag_signal(pr, bevent);
2023 pr->drag_last_x = bevent->x;
2024 pr->drag_last_y = bevent->y;
2026 /* This is recommended by the GTK+ documentation, but does not work properly.
2027 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2028 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2030 /* gdk_event_request_motions (bevent); */
2034 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2038 pr = PIXBUF_RENDERER(widget);
2042 pr_update_pixel_signal(pr);
2046 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2051 pr = PIXBUF_RENDERER(widget);
2053 if (pr->scroller_id) return TRUE;
2055 switch (bevent->button)
2057 case MOUSE_BUTTON_LEFT:
2059 pr->drag_last_x = bevent->x;
2060 pr->drag_last_y = bevent->y;
2062 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2063 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2064 NULL, NULL, bevent->time);
2065 gtk_grab_add(widget);
2067 case MOUSE_BUTTON_MIDDLE:
2070 case MOUSE_BUTTON_RIGHT:
2071 pr_clicked_signal(pr, bevent);
2077 parent = gtk_widget_get_parent(widget);
2078 #if GTK_CHECK_VERSION(2,20,0)
2079 if (widget && gtk_widget_get_can_focus(parent))
2081 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2084 gtk_widget_grab_focus(parent);
2090 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2094 pr = PIXBUF_RENDERER(widget);
2096 if (pr->scroller_id)
2098 pr_scroller_stop(pr);
2102 #if GTK_CHECK_VERSION(2,20,0)
2103 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2105 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2108 gtk_grab_remove(widget);
2109 gdk_pointer_ungrab(bevent->time);
2110 widget_set_cursor(widget, -1);
2113 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2115 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2117 pr_scroller_start(pr, bevent->x, bevent->y);
2119 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2121 pr_clicked_signal(pr, bevent);
2125 pr->in_drag = FALSE;
2130 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2134 pr = PIXBUF_RENDERER(widget);
2136 if (pr->scroller_id)
2138 pr->scroller_xpos = pr->scroller_x;
2139 pr->scroller_ypos = pr->scroller_y;
2140 pr->scroller_xinc = 0;
2141 pr->scroller_yinc = 0;
2147 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2151 pr = PIXBUF_RENDERER(widget);
2153 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2156 static void pr_signals_connect(PixbufRenderer *pr)
2158 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2159 G_CALLBACK(pr_mouse_motion_cb), pr);
2160 g_signal_connect(G_OBJECT(pr), "button_press_event",
2161 G_CALLBACK(pr_mouse_press_cb), pr);
2162 g_signal_connect(G_OBJECT(pr), "button_release_event",
2163 G_CALLBACK(pr_mouse_release_cb), pr);
2164 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2165 G_CALLBACK(pr_mouse_leave_cb), pr);
2166 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2167 G_CALLBACK(pr_leave_notify_cb), pr);
2169 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2170 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2171 GDK_LEAVE_NOTIFY_MASK);
2173 g_signal_connect(G_OBJECT(pr), "drag_begin",
2174 G_CALLBACK(pr_mouse_drag_cb), pr);
2179 *-------------------------------------------------------------------
2181 *-------------------------------------------------------------------
2184 #define COLOR_BYTES 3 /* rgb */
2185 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2188 guchar *s_pix, *d_pix;
2193 srs = gdk_pixbuf_get_rowstride(right);
2194 s_pix = gdk_pixbuf_get_pixels(right);
2195 spi = s_pix + (x * COLOR_BYTES);
2197 drs = gdk_pixbuf_get_rowstride(pixbuf);
2198 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2199 dpi = d_pix + x * COLOR_BYTES;
2201 for (i = y; i < y + h; i++)
2203 sp = spi + (i * srs);
2204 dp = dpi + (i * drs);
2205 for (j = 0; j < w; j++)
2207 *dp = *sp; /* copy red channel */
2214 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2217 guchar *s_pix, *d_pix;
2221 const double gc[3] = {0.299, 0.587, 0.114};
2223 srs = gdk_pixbuf_get_rowstride(right);
2224 s_pix = gdk_pixbuf_get_pixels(right);
2225 spi = s_pix + (x * COLOR_BYTES);
2227 drs = gdk_pixbuf_get_rowstride(pixbuf);
2228 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2229 dpi = d_pix + x * COLOR_BYTES;
2231 for (i = y; i < y + h; i++)
2233 sp = spi + (i * srs);
2234 dp = dpi + (i * drs);
2235 for (j = 0; j < w; j++)
2237 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2238 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2239 dp[0] = g2; /* red channel from sp */
2240 dp[1] = g1; /* green and blue from dp */
2248 const double pr_dubois_matrix[3][6] = {
2249 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2250 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2251 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2254 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2257 guchar *s_pix, *d_pix;
2262 srs = gdk_pixbuf_get_rowstride(right);
2263 s_pix = gdk_pixbuf_get_pixels(right);
2264 spi = s_pix + (x * COLOR_BYTES);
2266 drs = gdk_pixbuf_get_rowstride(pixbuf);
2267 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2268 dpi = d_pix + x * COLOR_BYTES;
2270 for (i = y; i < y + h; i++)
2272 sp = spi + (i * srs);
2273 dp = dpi + (i * drs);
2274 for (j = 0; j < w; j++)
2277 for (k = 0; k < 3; k++)
2279 const double *m = pr_dubois_matrix[k];
2280 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];
2281 if (res[k] < 0.0) res[k] = 0;
2282 if (res[k] > 255.0) res[k] = 255.0;
2293 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2295 if (mode & PR_STEREO_ANAGLYPH_RC)
2296 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2297 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2298 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2299 else if (mode & PR_STEREO_ANAGLYPH_DB)
2300 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2304 *-------------------------------------------------------------------
2306 *-------------------------------------------------------------------
2308 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2310 pr->stereo_pixbuf_offset_left = 0;
2311 pr->stereo_pixbuf_offset_right = 0;
2312 if (!pr->pixbuf) return;
2313 switch (pr->orientation)
2315 case EXIF_ORIENTATION_LEFT_TOP:
2316 case EXIF_ORIENTATION_RIGHT_TOP:
2317 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2318 case EXIF_ORIENTATION_LEFT_BOTTOM:
2319 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2320 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2321 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2323 pr->image_height /= 2;
2324 pr->stereo_pixbuf_offset_right = pr->image_height;
2326 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2328 pr->image_height /= 2;
2329 pr->stereo_pixbuf_offset_left = pr->image_height;
2334 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2335 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2336 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2338 pr->image_width /= 2;
2339 pr->stereo_pixbuf_offset_right = pr->image_width;
2341 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2343 pr->image_width /= 2;
2344 pr->stereo_pixbuf_offset_left = pr->image_width;
2349 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2351 if (pixbuf) g_object_ref(pixbuf);
2352 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2353 pr->pixbuf = pixbuf;
2359 /* no pixbuf so just clear the window */
2360 pr->image_width = 0;
2361 pr->image_height = 0;
2363 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2364 and used for pixbuf_renderer_zoom_get */
2366 box = GTK_WIDGET(pr);
2368 #if GTK_CHECK_VERSION(2,20,0)
2369 if (gtk_widget_get_realized(box))
2371 if (GTK_WIDGET_REALIZED(box))
2374 #if !GTK_CHECK_VERSION(3,0,0)
2375 gdk_window_clear(gtk_widget_get_window(box));
2377 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2378 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2381 pr_update_signal(pr);
2386 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2388 gint disable = !pr->pixbuf || ! pr->stereo_data;
2389 pr_stereo_temp_disable(pr, disable);
2392 pr_pixbuf_size_sync(pr);
2393 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2394 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2395 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2398 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2400 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2402 pr_source_tile_unset(pr);
2404 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2406 pr_update_signal(pr);
2409 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2411 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2413 pr_source_tile_unset(pr);
2415 pr->orientation = orientation;
2416 pr->stereo_data = stereo_data;
2417 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2419 pr_update_signal(pr);
2422 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2424 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2429 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2431 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2433 pr->orientation = orientation;
2435 pr_pixbuf_size_sync(pr);
2438 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2439 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2441 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2443 pr->renderer->update_sizes(pr->renderer);
2444 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
2447 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2450 return pr->orientation;
2453 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2455 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2457 pr->stereo_data = stereo_data;
2459 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2461 gint disable = !pr->pixbuf || ! pr->stereo_data;
2462 pr_stereo_temp_disable(pr, disable);
2464 pr_pixbuf_size_sync(pr);
2465 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2466 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2467 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2470 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2472 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2474 pr->func_post_process = func;
2475 pr->post_process_user_data = user_data;
2476 pr->post_process_slow = func && slow;
2481 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2484 PixbufRendererScrollResetType scroll_reset;
2486 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2487 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2489 if (pr == source) return;
2491 object = G_OBJECT(pr);
2493 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2494 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2495 g_object_set(object, "loading", source->loading, NULL);
2497 pr->complete = source->complete;
2499 pr->x_scroll = source->x_scroll;
2500 pr->y_scroll = source->y_scroll;
2501 pr->x_mouse = source->x_mouse;
2502 pr->y_mouse = source->y_mouse;
2504 scroll_reset = pr->scroll_reset;
2505 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2507 pr->func_post_process = source->func_post_process;
2508 pr->post_process_user_data = source->post_process_user_data;
2509 pr->post_process_slow = source->post_process_slow;
2510 pr->orientation = source->orientation;
2511 pr->stereo_data = source->stereo_data;
2513 if (source->source_tiles_enabled)
2515 pr_source_tile_unset(pr);
2517 pr->source_tiles_enabled = source->source_tiles_enabled;
2518 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2519 pr->source_tile_width = source->source_tile_width;
2520 pr->source_tile_height = source->source_tile_height;
2521 pr->image_width = source->image_width;
2522 pr->image_height = source->image_height;
2524 pr->func_tile_request = source->func_tile_request;
2525 pr->func_tile_dispose = source->func_tile_dispose;
2526 pr->func_tile_data = source->func_tile_data;
2528 pr->source_tiles = source->source_tiles;
2529 source->source_tiles = NULL;
2531 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2535 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2538 pr->scroll_reset = scroll_reset;
2540 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2541 // pr_queue_clear(source);
2542 // pr_tile_free_all(source);
2545 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2547 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2549 if (pr->source_tiles_enabled)
2551 pr_source_tile_changed(pr, x, y, w, h);
2554 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2555 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2558 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2560 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2562 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2565 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2567 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2569 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2572 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2574 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2576 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2579 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2581 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2586 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2588 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2593 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2595 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2597 if (min > 1.0 || max < 1.0) return;
2598 if (min < 1.0 && min > -1.0) return;
2599 if (min < -200.0 || max > 200.0) return;
2601 if (pr->zoom_min != min)
2604 g_object_notify(G_OBJECT(pr), "zoom_min");
2606 if (pr->zoom_max != max)
2609 g_object_notify(G_OBJECT(pr), "zoom_max");
2613 static void pr_stereo_set(PixbufRenderer *pr)
2615 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2617 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2619 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2621 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2622 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2626 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2627 pr->renderer2 = NULL;
2629 if (pr->stereo_mode & PR_STEREO_HALF)
2631 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2632 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2633 else pr->aspect_ratio = 1.0;
2637 pr->aspect_ratio = 1.0;
2641 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2643 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2644 pr->stereo_mode = stereo_mode;
2645 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2647 pr->stereo_temp_disable = FALSE;
2653 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2654 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2658 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2660 pr->stereo_fixed_width = width;
2661 pr->stereo_fixed_height = height;
2662 pr->stereo_fixed_x_left = x1;
2663 pr->stereo_fixed_y_left = y1;
2664 pr->stereo_fixed_x_right = x2;
2665 pr->stereo_fixed_y_right = y2;
2668 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2670 return pr->stereo_mode;
2673 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2675 if (pr->stereo_temp_disable == disable) return;
2676 pr->stereo_temp_disable = disable;
2679 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2680 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2681 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2682 pr->renderer2 = NULL;
2683 pr->aspect_ratio = 1.0;
2689 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2692 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2693 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2695 GdkPixbuf *pb = pr->pixbuf;
2698 gint map_x, map_y, map_w, map_h;
2700 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2701 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2703 if (!pr->pixbuf && !pr->source_tiles_enabled)
2711 if (!pb) return FALSE;
2713 pr_tile_region_map_orientation(pr->orientation,
2715 pr->image_width, pr->image_height,
2716 1, 1, /*single pixel */
2720 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2721 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2723 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2724 prs = gdk_pixbuf_get_rowstride(pb);
2725 p_pix = gdk_pixbuf_get_pixels(pb);
2727 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2737 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2739 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2741 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2742 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2744 if (!pr->pixbuf && !pr->source_tiles_enabled)
2746 *x_pixel_return = -1;
2747 *y_pixel_return = -1;
2751 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2752 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2753 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2754 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2756 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2758 /* mouse is not on pr */
2759 x_pixel = y_pixel = -1;
2762 *x_pixel_return = x_pixel;
2763 *y_pixel_return = y_pixel;
2768 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2770 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2771 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2773 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2780 *width = pr->image_width;
2781 *height = pr->image_height;
2785 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2787 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2788 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2790 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2798 *height = pr->height;
2802 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2804 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2805 g_return_val_if_fail(rect != NULL, FALSE);
2807 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2817 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2818 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2819 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2820 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2824 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2826 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2827 g_return_val_if_fail(rect != NULL, FALSE);
2829 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2838 rect->x = pr->x_scroll;
2839 rect->y = pr->y_scroll;
2840 rect->width = pr->vis_width;
2841 rect->height = pr->vis_height;
2845 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2850 zoom = pixbuf_renderer_zoom_get(pr);
2851 pr->image_width = width;
2852 pr->image_height = height;
2854 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2859 //pr->width = width;
2860 //pr->height = height;
2863 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */