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_viewport(pr->renderer);
916 if (pr->renderer2) pr->renderer2->update_viewport(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,
1597 gboolean force = !!(flags & PR_ZOOM_FORCE);
1598 gboolean new = !!(flags & PR_ZOOM_NEW);
1600 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1602 if (pr->zoom == zoom && !force) return FALSE;
1604 w = pr->image_width;
1605 h = pr->image_height;
1607 if (zoom == 0.0 && !pr->pixbuf)
1611 else if (zoom == 0.0)
1617 sizeable = (new && pr_parent_window_sizable(pr));
1621 max_w = gdk_screen_width();
1622 max_h = gdk_screen_height();
1624 if (pr->window_limit)
1626 max_w = max_w * pr->window_limit_size / 100;
1627 max_h = max_h * pr->window_limit_size / 100;
1632 max_w = pr->viewport_width;
1633 max_h = pr->viewport_height;
1636 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1638 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1640 scale = (gdouble)max_h / h / pr->aspect_ratio;
1642 w = w * scale + 0.5;
1643 if (w > max_w) w = max_w;
1647 scale = (gdouble)max_w / w;
1649 h = h * scale * pr->aspect_ratio + 0.5;
1650 if (h > max_h) h = max_h;
1653 if (pr->autofit_limit)
1655 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1656 w = w * factor + 0.5;
1657 h = h * factor + 0.5;
1658 scale = scale * factor;
1669 else if (zoom > 0.0) /* zoom orig, in */
1673 h = h * scale * pr->aspect_ratio;
1677 scale = 1.0 / (0.0 - zoom);
1679 h = h * scale * pr->aspect_ratio;
1690 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1691 PrZoomFlags flags, gint px, gint py)
1694 gint old_cx, old_cy;
1697 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1698 gboolean force = !!(flags & PR_ZOOM_FORCE);
1699 gboolean new = !!(flags & PR_ZOOM_NEW);
1700 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1701 PrZoomFlags clamp_flags = flags;
1702 gdouble old_center_x = pr->norm_center_x;
1703 gdouble old_center_y = pr->norm_center_y;
1705 old_scale = pr->scale;
1708 px = CLAMP(px, 0, pr->width);
1709 py = CLAMP(py, 0, pr->height);
1710 old_cx = pr->x_scroll + (px - pr->x_offset);
1711 old_cy = pr->y_scroll + (py - pr->y_offset);
1716 old_cx = pr->x_scroll + pr->vis_width / 2;
1717 old_cy = pr->y_scroll + pr->vis_height / 2;
1720 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1721 if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
1723 clamped = pr_size_clamp(pr);
1724 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1728 switch (pr->scroll_reset)
1730 case PR_SCROLL_RESET_NOCHANGE:
1731 /* maintain old scroll position */
1732 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1733 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1735 case PR_SCROLL_RESET_CENTER:
1736 /* center new image */
1737 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1738 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1740 case PR_SCROLL_RESET_TOPLEFT:
1742 /* reset to upper left */
1750 /* user zoom does not force, so keep visible center point */
1753 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1754 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1758 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1759 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1763 pr_scroll_clamp(pr);
1765 pr->renderer->update_zoom(pr->renderer, lazy);
1766 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1768 pr_scroll_notify_signal(pr);
1770 pr_update_signal(pr);
1773 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1775 gboolean zoom_changed = FALSE;
1777 gint new_viewport_width = new_width;
1778 gint new_viewport_height = new_height;
1780 if (!pr->stereo_temp_disable)
1782 if (pr->stereo_mode & PR_STEREO_HORIZ)
1784 new_viewport_width = new_width / 2;
1786 else if (pr->stereo_mode & PR_STEREO_VERT)
1788 new_viewport_height = new_height / 2;
1790 else if (pr->stereo_mode & PR_STEREO_FIXED)
1792 new_viewport_width = pr->stereo_fixed_width;
1793 new_viewport_height = pr->stereo_fixed_height;
1797 if (pr->window_width == new_width && pr->window_height == new_height &&
1798 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1800 pr->window_width = new_width;
1801 pr->window_height = new_height;
1802 pr->viewport_width = new_viewport_width;
1803 pr->viewport_height = new_viewport_height;
1805 if (pr->zoom == 0.0)
1807 gdouble old_scale = pr->scale;
1808 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
1809 zoom_changed = (old_scale != pr->scale);
1813 pr_scroll_clamp(pr);
1817 pr->renderer->update_zoom(pr->renderer, FALSE);
1818 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
1821 pr->renderer->update_viewport(pr->renderer);
1822 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
1825 /* ensure scroller remains visible */
1826 if (pr->scroller_overlay != -1)
1828 gboolean update = FALSE;
1830 if (pr->scroller_x > new_width)
1832 pr->scroller_x = new_width;
1833 pr->scroller_xpos = new_width;
1836 if (pr->scroller_y > new_height)
1838 pr->scroller_y = new_height;
1839 pr->scroller_ypos = new_height;
1847 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1851 w = gdk_pixbuf_get_width(pixbuf);
1852 h = gdk_pixbuf_get_height(pixbuf);
1853 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1854 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1859 pr_scroll_notify_signal(pr);
1860 if (zoom_changed) pr_zoom_signal(pr);
1861 pr_update_signal(pr);
1864 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1866 PixbufRenderer *pr = data;
1868 pr_size_sync(pr, allocation->width, allocation->height);
1872 *-------------------------------------------------------------------
1874 *-------------------------------------------------------------------
1877 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1882 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1884 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1886 old_x = pr->x_scroll;
1887 old_y = pr->y_scroll;
1892 pr_scroll_clamp(pr);
1894 pixbuf_renderer_sync_scroll_center(pr);
1896 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1898 pr_scroll_notify_signal(pr);
1900 x_off = pr->x_scroll - old_x;
1901 y_off = pr->y_scroll - old_y;
1903 pr->renderer->scroll(pr->renderer, x_off, y_off);
1904 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1907 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1908 gdouble x_align, gdouble y_align)
1913 x_align = CLAMP(x_align, 0.0, 1.0);
1914 y_align = CLAMP(y_align, 0.0, 1.0);
1916 ax = (gdouble)pr->vis_width * x_align;
1917 ay = (gdouble)pr->vis_height * y_align;
1919 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1920 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1922 pixbuf_renderer_scroll(pr, px, py);
1925 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1927 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1929 *x = pr->norm_center_x;
1930 *y = pr->norm_center_y;
1933 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1935 gdouble dst_x, dst_y;
1937 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1938 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1940 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1941 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1943 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1947 *-------------------------------------------------------------------
1949 *-------------------------------------------------------------------
1952 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1957 /* This is a hack, but work far the best, at least for single pointer systems.
1958 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
1960 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
1964 pr = PIXBUF_RENDERER(widget);
1966 if (pr->scroller_id)
1968 pr->scroller_xpos = bevent->x;
1969 pr->scroller_ypos = bevent->y;
1972 pr->x_mouse = bevent->x;
1973 pr->y_mouse = bevent->y;
1974 pr_update_pixel_signal(pr);
1976 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
1978 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
1984 widget_set_cursor(widget, GDK_FLEUR);
1987 if (bevent->state & GDK_CONTROL_MASK)
1989 accel = PR_PAN_SHIFT_MULTIPLIER;
1997 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
1998 (pr->drag_last_y - bevent->y) * accel);
2000 pr_drag_signal(pr, bevent);
2002 pr->drag_last_x = bevent->x;
2003 pr->drag_last_y = bevent->y;
2005 /* This is recommended by the GTK+ documentation, but does not work properly.
2006 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2007 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2009 /* gdk_event_request_motions (bevent); */
2013 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2017 pr = PIXBUF_RENDERER(widget);
2021 pr_update_pixel_signal(pr);
2025 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2030 pr = PIXBUF_RENDERER(widget);
2032 if (pr->scroller_id) return TRUE;
2034 switch (bevent->button)
2036 case MOUSE_BUTTON_LEFT:
2038 pr->drag_last_x = bevent->x;
2039 pr->drag_last_y = bevent->y;
2041 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2042 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2043 NULL, NULL, bevent->time);
2044 gtk_grab_add(widget);
2046 case MOUSE_BUTTON_MIDDLE:
2049 case MOUSE_BUTTON_RIGHT:
2050 pr_clicked_signal(pr, bevent);
2056 parent = gtk_widget_get_parent(widget);
2057 #if GTK_CHECK_VERSION(2,20,0)
2058 if (widget && gtk_widget_get_can_focus(parent))
2060 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2063 gtk_widget_grab_focus(parent);
2069 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2073 pr = PIXBUF_RENDERER(widget);
2075 if (pr->scroller_id)
2077 pr_scroller_stop(pr);
2081 #if GTK_CHECK_VERSION(2,20,0)
2082 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2084 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2087 gtk_grab_remove(widget);
2088 gdk_pointer_ungrab(bevent->time);
2089 widget_set_cursor(widget, -1);
2092 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2094 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2096 pr_scroller_start(pr, bevent->x, bevent->y);
2098 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2100 pr_clicked_signal(pr, bevent);
2104 pr->in_drag = FALSE;
2109 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2113 pr = PIXBUF_RENDERER(widget);
2115 if (pr->scroller_id)
2117 pr->scroller_xpos = pr->scroller_x;
2118 pr->scroller_ypos = pr->scroller_y;
2119 pr->scroller_xinc = 0;
2120 pr->scroller_yinc = 0;
2126 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2130 pr = PIXBUF_RENDERER(widget);
2132 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2135 static void pr_signals_connect(PixbufRenderer *pr)
2137 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2138 G_CALLBACK(pr_mouse_motion_cb), pr);
2139 g_signal_connect(G_OBJECT(pr), "button_press_event",
2140 G_CALLBACK(pr_mouse_press_cb), pr);
2141 g_signal_connect(G_OBJECT(pr), "button_release_event",
2142 G_CALLBACK(pr_mouse_release_cb), pr);
2143 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2144 G_CALLBACK(pr_mouse_leave_cb), pr);
2145 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2146 G_CALLBACK(pr_leave_notify_cb), pr);
2148 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2149 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2150 GDK_LEAVE_NOTIFY_MASK);
2152 g_signal_connect(G_OBJECT(pr), "drag_begin",
2153 G_CALLBACK(pr_mouse_drag_cb), pr);
2158 *-------------------------------------------------------------------
2160 *-------------------------------------------------------------------
2163 #define COLOR_BYTES 3 /* rgb */
2164 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2167 guchar *s_pix, *d_pix;
2172 srs = gdk_pixbuf_get_rowstride(right);
2173 s_pix = gdk_pixbuf_get_pixels(right);
2174 spi = s_pix + (x * COLOR_BYTES);
2176 drs = gdk_pixbuf_get_rowstride(pixbuf);
2177 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2178 dpi = d_pix + x * COLOR_BYTES;
2180 for (i = y; i < y + h; i++)
2182 sp = spi + (i * srs);
2183 dp = dpi + (i * drs);
2184 for (j = 0; j < w; j++)
2186 *dp = *sp; /* copy red channel */
2193 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2196 guchar *s_pix, *d_pix;
2200 const double gc[3] = {0.299, 0.587, 0.114};
2202 srs = gdk_pixbuf_get_rowstride(right);
2203 s_pix = gdk_pixbuf_get_pixels(right);
2204 spi = s_pix + (x * COLOR_BYTES);
2206 drs = gdk_pixbuf_get_rowstride(pixbuf);
2207 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2208 dpi = d_pix + x * COLOR_BYTES;
2210 for (i = y; i < y + h; i++)
2212 sp = spi + (i * srs);
2213 dp = dpi + (i * drs);
2214 for (j = 0; j < w; j++)
2216 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2217 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2218 dp[0] = g2; /* red channel from sp */
2219 dp[1] = g1; /* green and blue from dp */
2227 const double pr_dubois_matrix[3][6] = {
2228 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2229 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2230 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2233 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2236 guchar *s_pix, *d_pix;
2241 srs = gdk_pixbuf_get_rowstride(right);
2242 s_pix = gdk_pixbuf_get_pixels(right);
2243 spi = s_pix + (x * COLOR_BYTES);
2245 drs = gdk_pixbuf_get_rowstride(pixbuf);
2246 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2247 dpi = d_pix + x * COLOR_BYTES;
2249 for (i = y; i < y + h; i++)
2251 sp = spi + (i * srs);
2252 dp = dpi + (i * drs);
2253 for (j = 0; j < w; j++)
2256 for (k = 0; k < 3; k++)
2258 const double *m = pr_dubois_matrix[k];
2259 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];
2260 if (res[k] < 0.0) res[k] = 0;
2261 if (res[k] > 255.0) res[k] = 255.0;
2272 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2274 if (mode & PR_STEREO_ANAGLYPH_RC)
2275 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2276 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2277 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2278 else if (mode & PR_STEREO_ANAGLYPH_DB)
2279 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2283 *-------------------------------------------------------------------
2285 *-------------------------------------------------------------------
2287 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2289 pr->stereo_pixbuf_offset_left = 0;
2290 pr->stereo_pixbuf_offset_right = 0;
2291 if (!pr->pixbuf) return;
2292 switch (pr->orientation)
2294 case EXIF_ORIENTATION_LEFT_TOP:
2295 case EXIF_ORIENTATION_RIGHT_TOP:
2296 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2297 case EXIF_ORIENTATION_LEFT_BOTTOM:
2298 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2299 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2300 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2302 pr->image_height /= 2;
2303 pr->stereo_pixbuf_offset_right = pr->image_height;
2305 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2307 pr->image_height /= 2;
2308 pr->stereo_pixbuf_offset_left = pr->image_height;
2313 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2314 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2315 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2317 pr->image_width /= 2;
2318 pr->stereo_pixbuf_offset_right = pr->image_width;
2320 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2322 pr->image_width /= 2;
2323 pr->stereo_pixbuf_offset_left = pr->image_width;
2328 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2330 if (pixbuf) g_object_ref(pixbuf);
2331 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2332 pr->pixbuf = pixbuf;
2338 /* no pixbuf so just clear the window */
2339 pr->image_width = 0;
2340 pr->image_height = 0;
2342 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2343 and used for pixbuf_renderer_zoom_get */
2345 box = GTK_WIDGET(pr);
2347 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2348 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2350 pr_update_signal(pr);
2355 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2357 gint disable = !pr->pixbuf || ! pr->stereo_data;
2358 pr_stereo_temp_disable(pr, disable);
2361 pr_pixbuf_size_sync(pr);
2362 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2363 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2364 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2367 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2369 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2371 pr_source_tile_unset(pr);
2373 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2375 pr_update_signal(pr);
2378 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2380 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2382 pr_source_tile_unset(pr);
2384 pr->orientation = orientation;
2385 pr->stereo_data = stereo_data;
2386 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2388 pr_update_signal(pr);
2391 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2393 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2398 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2400 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2402 pr->orientation = orientation;
2404 pr_pixbuf_size_sync(pr);
2405 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2408 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2411 return pr->orientation;
2414 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2416 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2417 if (pr->stereo_data == stereo_data) return;
2420 pr->stereo_data = stereo_data;
2422 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2424 gint disable = !pr->pixbuf || ! pr->stereo_data;
2425 pr_stereo_temp_disable(pr, disable);
2427 pr_pixbuf_size_sync(pr);
2428 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2429 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2430 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2433 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2435 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2437 pr->func_post_process = func;
2438 pr->post_process_user_data = user_data;
2439 pr->post_process_slow = func && slow;
2444 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2447 PixbufRendererScrollResetType scroll_reset;
2449 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2450 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2452 if (pr == source) return;
2454 object = G_OBJECT(pr);
2456 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2457 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2458 g_object_set(object, "loading", source->loading, NULL);
2460 pr->complete = source->complete;
2462 pr->x_scroll = source->x_scroll;
2463 pr->y_scroll = source->y_scroll;
2464 pr->x_mouse = source->x_mouse;
2465 pr->y_mouse = source->y_mouse;
2467 scroll_reset = pr->scroll_reset;
2468 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2470 pr->func_post_process = source->func_post_process;
2471 pr->post_process_user_data = source->post_process_user_data;
2472 pr->post_process_slow = source->post_process_slow;
2473 pr->orientation = source->orientation;
2474 pr->stereo_data = source->stereo_data;
2476 if (source->source_tiles_enabled)
2478 pr_source_tile_unset(pr);
2480 pr->source_tiles_enabled = source->source_tiles_enabled;
2481 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2482 pr->source_tile_width = source->source_tile_width;
2483 pr->source_tile_height = source->source_tile_height;
2484 pr->image_width = source->image_width;
2485 pr->image_height = source->image_height;
2487 pr->func_tile_request = source->func_tile_request;
2488 pr->func_tile_dispose = source->func_tile_dispose;
2489 pr->func_tile_data = source->func_tile_data;
2491 pr->source_tiles = source->source_tiles;
2492 source->source_tiles = NULL;
2494 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2498 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2501 pr->scroll_reset = scroll_reset;
2503 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2504 // pr_queue_clear(source);
2505 // pr_tile_free_all(source);
2508 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2510 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2512 if (pr->source_tiles_enabled)
2514 pr_source_tile_changed(pr, x, y, w, h);
2517 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2518 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2521 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2523 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2525 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2528 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2530 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2532 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2535 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2537 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2539 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2542 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2544 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2549 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2551 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2556 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2558 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2560 if (min > 1.0 || max < 1.0) return;
2561 if (min < 1.0 && min > -1.0) return;
2562 if (min < -200.0 || max > 200.0) return;
2564 if (pr->zoom_min != min)
2567 g_object_notify(G_OBJECT(pr), "zoom_min");
2569 if (pr->zoom_max != max)
2572 g_object_notify(G_OBJECT(pr), "zoom_max");
2576 static void pr_stereo_set(PixbufRenderer *pr)
2578 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2580 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2582 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2584 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2585 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2589 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2590 pr->renderer2 = NULL;
2592 if (pr->stereo_mode & PR_STEREO_HALF)
2594 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2595 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2596 else pr->aspect_ratio = 1.0;
2600 pr->aspect_ratio = 1.0;
2604 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2606 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2607 pr->stereo_mode = stereo_mode;
2608 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2610 pr->stereo_temp_disable = FALSE;
2616 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2617 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2621 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2623 pr->stereo_fixed_width = width;
2624 pr->stereo_fixed_height = height;
2625 pr->stereo_fixed_x_left = x1;
2626 pr->stereo_fixed_y_left = y1;
2627 pr->stereo_fixed_x_right = x2;
2628 pr->stereo_fixed_y_right = y2;
2631 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2633 return pr->stereo_mode;
2636 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2638 if (pr->stereo_temp_disable == disable) return;
2639 pr->stereo_temp_disable = disable;
2642 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2643 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2644 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2645 pr->renderer2 = NULL;
2646 pr->aspect_ratio = 1.0;
2652 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2655 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2656 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2658 GdkPixbuf *pb = pr->pixbuf;
2661 gint map_x, map_y, map_w, map_h;
2663 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2664 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2666 if (!pr->pixbuf && !pr->source_tiles_enabled)
2674 if (!pb) return FALSE;
2676 pr_tile_region_map_orientation(pr->orientation,
2678 pr->image_width, pr->image_height,
2679 1, 1, /*single pixel */
2683 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2684 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2686 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2687 prs = gdk_pixbuf_get_rowstride(pb);
2688 p_pix = gdk_pixbuf_get_pixels(pb);
2690 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2700 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2702 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2704 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2705 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2707 if (!pr->pixbuf && !pr->source_tiles_enabled)
2709 *x_pixel_return = -1;
2710 *y_pixel_return = -1;
2714 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2715 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2716 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2717 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2719 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2721 /* mouse is not on pr */
2722 x_pixel = y_pixel = -1;
2725 *x_pixel_return = x_pixel;
2726 *y_pixel_return = y_pixel;
2731 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2733 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2734 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2736 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2743 *width = pr->image_width;
2744 *height = pr->image_height;
2748 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2750 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2751 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2753 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2761 *height = pr->height;
2765 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2767 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2768 g_return_val_if_fail(rect != NULL, FALSE);
2770 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2780 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2781 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2782 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2783 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2787 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2789 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2790 g_return_val_if_fail(rect != NULL, FALSE);
2792 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2801 rect->x = pr->x_scroll;
2802 rect->y = pr->y_scroll;
2803 rect->width = pr->vis_width;
2804 rect->height = pr->vis_height;
2808 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2811 /* FIXME: this function does not consider the image orientation,
2812 so it probably only breaks something */
2816 zoom = pixbuf_renderer_zoom_get(pr);
2817 pr->image_width = width;
2818 pr->image_height = height;
2820 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2825 //pr->width = width;
2826 //pr->height = height;
2830 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */