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"
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 #if GTK_CHECK_VERSION(3,0,0)
124 static gboolean pixbuf_renderer_draw(GtkWidget *widget, cairo_t *cr);
126 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event);
129 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
132 static void pr_source_tile_free_all(PixbufRenderer *pr);
134 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
135 PrZoomFlags flags, gint px, gint py);
137 static void pr_signals_connect(PixbufRenderer *pr);
138 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
139 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area);
140 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
144 *-------------------------------------------------------------------
145 * Pixbuf Renderer object
146 *-------------------------------------------------------------------
149 GType pixbuf_renderer_get_type(void)
151 static GType pixbuf_renderer_type = 0;
153 if (!pixbuf_renderer_type)
155 static const GTypeInfo pixbuf_renderer_info =
157 sizeof(PixbufRendererClass), /* class_size */
158 NULL, /* base_init */
159 NULL, /* base_finalize */
160 (GClassInitFunc)pixbuf_renderer_class_init,
161 NULL, /* class_finalize */
162 NULL, /* class_data */
163 sizeof(PixbufRenderer), /* instance_size */
165 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
166 NULL, /* value_table */
169 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
170 &pixbuf_renderer_info, 0);
173 return pixbuf_renderer_type;
176 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
178 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
179 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(class);
181 parent_class = g_type_class_peek_parent(class);
183 gobject_class->set_property = pixbuf_renderer_set_property;
184 gobject_class->get_property = pixbuf_renderer_get_property;
186 gobject_class->finalize = pixbuf_renderer_finalize;
188 #if GTK_CHECK_VERSION(3,0,0)
189 widget_class->draw = pixbuf_renderer_draw;
191 widget_class->expose_event = pixbuf_renderer_expose;
194 g_object_class_install_property(gobject_class,
196 g_param_spec_double("zoom_min",
202 G_PARAM_READABLE | G_PARAM_WRITABLE));
204 g_object_class_install_property(gobject_class,
206 g_param_spec_double("zoom_max",
212 G_PARAM_READABLE | G_PARAM_WRITABLE));
214 g_object_class_install_property(gobject_class,
216 g_param_spec_uint("zoom_quality",
222 G_PARAM_READABLE | G_PARAM_WRITABLE));
224 g_object_class_install_property(gobject_class,
226 g_param_spec_boolean("zoom_2pass",
230 G_PARAM_READABLE | G_PARAM_WRITABLE));
232 g_object_class_install_property(gobject_class,
234 g_param_spec_boolean("zoom_expand",
235 "Expand image in autozoom.",
238 G_PARAM_READABLE | G_PARAM_WRITABLE));
239 g_object_class_install_property(gobject_class,
241 g_param_spec_uint("scroll_reset",
242 "New image scroll reset",
244 PR_SCROLL_RESET_TOPLEFT,
245 PR_SCROLL_RESET_NOCHANGE,
246 PR_SCROLL_RESET_TOPLEFT,
247 G_PARAM_READABLE | G_PARAM_WRITABLE));
249 g_object_class_install_property(gobject_class,
251 g_param_spec_boolean("delay_flip",
252 "Delay image update",
255 G_PARAM_READABLE | G_PARAM_WRITABLE));
257 g_object_class_install_property(gobject_class,
259 g_param_spec_boolean("loading",
260 "Image actively loading",
263 G_PARAM_READABLE | G_PARAM_WRITABLE));
265 g_object_class_install_property(gobject_class,
267 g_param_spec_boolean("complete",
268 "Image rendering complete",
271 G_PARAM_READABLE | G_PARAM_WRITABLE));
273 g_object_class_install_property(gobject_class,
274 PROP_CACHE_SIZE_DISPLAY,
275 g_param_spec_uint("cache_display",
276 "Display cache size MB",
280 PR_CACHE_SIZE_DEFAULT,
281 G_PARAM_READABLE | G_PARAM_WRITABLE));
283 g_object_class_install_property(gobject_class,
284 PROP_CACHE_SIZE_TILES,
285 g_param_spec_uint("cache_tiles",
287 "Number of tiles to retain in memory at any one time.",
290 PR_CACHE_SIZE_DEFAULT,
291 G_PARAM_READABLE | G_PARAM_WRITABLE));
293 g_object_class_install_property(gobject_class,
295 g_param_spec_boolean("window_fit",
296 "Fit window to image size",
299 G_PARAM_READABLE | G_PARAM_WRITABLE));
301 g_object_class_install_property(gobject_class,
303 g_param_spec_boolean("window_limit",
304 "Limit size of parent window",
307 G_PARAM_READABLE | G_PARAM_WRITABLE));
309 g_object_class_install_property(gobject_class,
310 PROP_WINDOW_LIMIT_VALUE,
311 g_param_spec_uint("window_limit_value",
312 "Size limit of parent window",
317 G_PARAM_READABLE | G_PARAM_WRITABLE));
319 g_object_class_install_property(gobject_class,
321 g_param_spec_boolean("autofit_limit",
322 "Limit size of image when autofitting",
325 G_PARAM_READABLE | G_PARAM_WRITABLE));
327 g_object_class_install_property(gobject_class,
328 PROP_AUTOFIT_LIMIT_VALUE,
329 g_param_spec_uint("autofit_limit_value",
330 "Size limit of image when autofitting",
335 G_PARAM_READABLE | G_PARAM_WRITABLE));
338 signals[SIGNAL_ZOOM] =
340 G_OBJECT_CLASS_TYPE(gobject_class),
342 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
344 g_cclosure_marshal_VOID__DOUBLE,
348 signals[SIGNAL_CLICKED] =
349 g_signal_new("clicked",
350 G_OBJECT_CLASS_TYPE(gobject_class),
352 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
354 g_cclosure_marshal_VOID__BOXED,
358 signals[SIGNAL_SCROLL_NOTIFY] =
359 g_signal_new("scroll-notify",
360 G_OBJECT_CLASS_TYPE(gobject_class),
362 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
364 g_cclosure_marshal_VOID__VOID,
367 signals[SIGNAL_RENDER_COMPLETE] =
368 g_signal_new("render-complete",
369 G_OBJECT_CLASS_TYPE(gobject_class),
371 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
373 g_cclosure_marshal_VOID__VOID,
376 signals[SIGNAL_DRAG] =
378 G_OBJECT_CLASS_TYPE(gobject_class),
380 G_STRUCT_OFFSET(PixbufRendererClass, drag),
382 g_cclosure_marshal_VOID__BOXED,
386 signals[SIGNAL_UPDATE_PIXEL] =
387 g_signal_new("update-pixel",
388 G_OBJECT_CLASS_TYPE(gobject_class),
390 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
392 g_cclosure_marshal_VOID__VOID,
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 = (void *)renderer_tiles_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);
588 #if GTK_CHECK_VERSION(3,0,0)
590 static gboolean pixbuf_renderer_draw(GtkWidget *widget, cairo_t *cr)
592 if (gtk_widget_is_drawable(widget))
594 if (gtk_widget_get_has_window(widget))
597 if (gdk_cairo_get_clip_rectangle(cr, &area))
599 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
608 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event)
610 #if GTK_CHECK_VERSION(2,20,0)
611 if (gtk_widget_is_drawable(widget))
613 if (GTK_WIDGET_DRAWABLE(widget))
616 #if GTK_CHECK_VERSION(2,20,0)
617 if (gtk_widget_get_has_window(widget))
619 if (!GTK_WIDGET_NO_WINDOW(widget))
622 if (event->window != gtk_widget_get_window(widget))
626 gdk_window_get_position(event->window, &area.x, &area.y);
627 area.x += event->area.x;
628 area.y += event->area.y;
629 area.width = event->area.width;
630 area.height = event->area.height;
631 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
635 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &event->area);
645 *-------------------------------------------------------------------
647 *-------------------------------------------------------------------
650 static void widget_set_cursor(GtkWidget *widget, gint icon)
654 if (!gtk_widget_get_window(widget)) return;
662 cursor = gdk_cursor_new(icon);
665 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
667 if (cursor) gdk_cursor_unref(cursor);
670 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
671 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
672 gint *rx, gint *ry, gint *rw, gint *rh)
674 if (clip_x + clip_w <= x ||
676 clip_y + clip_h <= y ||
682 *rx = MAX(x, clip_x);
683 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
685 *ry = MAX(y, clip_y);
686 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
691 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
693 GdkWindowState state;
695 if (!pr->parent_window) return FALSE;
696 if (!pr->window_fit) return FALSE;
697 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
699 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
700 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
701 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
706 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
711 GtkAllocation widget_allocation;
712 GtkAllocation parent_allocation;
714 if (!pr_parent_window_sizable(pr)) return FALSE;
716 if (pr->window_limit)
718 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
719 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
725 widget = GTK_WIDGET(pr);
726 parent = GTK_WIDGET(pr->parent_window);
728 gtk_widget_get_allocation(widget, &widget_allocation);
729 gtk_widget_get_allocation(parent, &parent_allocation);
731 w += (parent_allocation.width - widget_allocation.width);
732 h += (parent_allocation.height - widget_allocation.height);
734 ww = gdk_window_get_width(gtk_widget_get_window(parent));
735 wh = gdk_window_get_height(gtk_widget_get_window(parent));
736 if (w == ww && h == wh) return FALSE;
738 gdk_window_resize(gtk_widget_get_window(parent), w, h);
743 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
745 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
746 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
748 pr->parent_window = GTK_WIDGET(window);
751 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
753 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
755 return GTK_WINDOW(pr->parent_window);
760 *-------------------------------------------------------------------
762 *-------------------------------------------------------------------
766 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
767 OverlayRendererFlags flags)
769 /* let's assume both renderers returns the same value */
770 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
771 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
774 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
776 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
777 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
780 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
782 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
783 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
786 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
788 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
789 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
793 *-------------------------------------------------------------------
795 *-------------------------------------------------------------------
799 static gboolean pr_scroller_update_cb(gpointer data)
801 PixbufRenderer *pr = data;
805 /* this was a simple scroll by difference between scroller and mouse position,
806 * but all this math results in a smoother result and accounts for a dead zone.
809 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
815 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
816 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
817 x += (x > 0) ? -shift : shift;
820 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
826 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
827 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
828 y += (y > 0) ? -shift : shift;
831 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
837 xinc = pr->scroller_xinc;
841 if (xinc < 0) xinc = 0;
842 if (x < xinc) xinc = x;
843 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
847 if (xinc > 0) xinc = 0;
848 if (x > xinc) xinc = x;
849 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
853 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
859 yinc = pr->scroller_yinc;
863 if (yinc < 0) yinc = 0;
864 if (y < yinc) yinc = y;
865 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
869 if (yinc > 0) yinc = 0;
870 if (y > yinc) yinc = y;
871 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
875 pr->scroller_xinc = xinc;
876 pr->scroller_yinc = yinc;
878 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
879 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
881 pixbuf_renderer_scroll(pr, xinc, yinc);
886 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
890 g_source_remove(pr->scroller_id);
896 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
897 pr_scroller_update_cb, pr);
901 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
903 if (pr->scroller_overlay == -1)
909 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
911 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
912 gdk_pixbuf_fill(pixbuf, 0x000000ff);
914 w = gdk_pixbuf_get_width(pixbuf);
915 h = gdk_pixbuf_get_height(pixbuf);
917 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
918 g_object_unref(pixbuf);
923 pr->scroller_xpos = x;
924 pr->scroller_ypos = y;
926 pr_scroller_timer_set(pr, TRUE);
929 static void pr_scroller_stop(PixbufRenderer *pr)
931 if (!pr->scroller_id) return;
933 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
934 pr->scroller_overlay = -1;
936 pr_scroller_timer_set(pr, FALSE);
940 *-------------------------------------------------------------------
942 *-------------------------------------------------------------------
945 static void pr_border_clear(PixbufRenderer *pr)
947 pr->renderer->border_clear(pr->renderer);
948 if (pr->renderer2) pr->renderer2->border_clear(pr->renderer2);
951 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
956 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
958 widget = GTK_WIDGET(pr);
963 style = gtk_style_copy(gtk_widget_get_style(widget));
964 slot = &style->bg[GTK_STATE_NORMAL];
966 slot->red = color->red;
967 slot->green = color->green;
968 slot->blue = color->blue;
971 style = gtk_style_copy(gtk_widget_get_default_style());
974 gtk_widget_set_style(widget, style);
976 #if GTK_CHECK_VERSION(2,20,0)
977 if (gtk_widget_get_visible(widget)) pr_border_clear(pr);
979 if (GTK_WIDGET_VISIBLE(widget)) pr_border_clear(pr);
983 static void pr_redraw(PixbufRenderer *pr, gboolean new_data)
985 pr->renderer->queue_clear(pr->renderer);
986 pr->renderer->redraw(pr->renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
988 pr->renderer2->queue_clear(pr->renderer2);
989 pr->renderer2->redraw(pr->renderer2, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
994 *-------------------------------------------------------------------
996 *-------------------------------------------------------------------
999 static void pr_source_tile_free(SourceTile *st)
1003 if (st->pixbuf) g_object_unref(st->pixbuf);
1007 static void pr_source_tile_free_all(PixbufRenderer *pr)
1011 work = pr->source_tiles;
1019 pr_source_tile_free(st);
1022 g_list_free(pr->source_tiles);
1023 pr->source_tiles = NULL;
1026 static void pr_source_tile_unset(PixbufRenderer *pr)
1028 pr_source_tile_free_all(pr);
1029 pr->source_tiles_enabled = FALSE;
1032 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
1034 gint x1, y1, x2, y2;
1036 if (!st) return FALSE;
1038 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
1039 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
1040 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
1041 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
1044 x2 = pr->x_scroll + pr->vis_width;
1045 y2 = pr->y_scroll + pr->vis_height;
1047 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
1048 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
1049 (gdouble)st->y * pr->scale > (gdouble)y2 ||
1050 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1053 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1055 SourceTile *st = NULL;
1058 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1060 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1062 count = g_list_length(pr->source_tiles);
1063 if (count >= pr->source_tiles_cache_size)
1067 work = g_list_last(pr->source_tiles);
1068 while (work && count >= pr->source_tiles_cache_size)
1072 needle = work->data;
1075 if (!pr_source_tile_visible(pr, needle))
1077 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1079 if (pr->func_tile_dispose)
1081 pr->func_tile_dispose(pr, needle->x, needle->y,
1082 pr->source_tile_width, pr->source_tile_height,
1083 needle->pixbuf, pr->func_tile_data);
1092 pr_source_tile_free(needle);
1102 st = g_new0(SourceTile, 1);
1103 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1104 pr->source_tile_width, pr->source_tile_height);
1107 st->x = ROUND_DOWN(x, pr->source_tile_width);
1108 st->y = ROUND_DOWN(y, pr->source_tile_height);
1111 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1116 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1120 st = pr_source_tile_new(pr, x, y);
1121 if (!st) return NULL;
1123 if (pr->func_tile_request &&
1124 pr->func_tile_request(pr, st->x, st->y,
1125 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1130 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1131 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1132 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1133 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1137 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1141 work = pr->source_tiles;
1144 SourceTile *st = work->data;
1146 if (x >= st->x && x < st->x + pr->source_tile_width &&
1147 y >= st->y && y < st->y + pr->source_tile_height)
1149 if (work != pr->source_tiles)
1151 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1152 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1163 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1171 if (w > pr->image_width) w = pr->image_width;
1172 if (h > pr->image_height) h = pr->image_height;
1174 sx = ROUND_DOWN(x, pr->source_tile_width);
1175 sy = ROUND_DOWN(y, pr->source_tile_height);
1177 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1179 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1183 st = pr_source_tile_find(pr, x1, y1);
1184 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1186 if (st) list = g_list_prepend(list, st);
1190 return g_list_reverse(list);
1193 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1197 if (width < 1 || height < 1) return;
1199 work = pr->source_tiles;
1203 gint rx, ry, rw, rh;
1208 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1209 x, y, width, height,
1210 &rx, &ry, &rw, &rh))
1214 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1215 if (pr->func_tile_request &&
1216 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1218 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1219 rw * pr->scale, rh * pr->scale);
1220 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1221 rw * pr->scale, rh * pr->scale);
1223 g_object_unref(pixbuf);
1228 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1229 gint tile_width, gint tile_height, gint cache_size,
1230 PixbufRendererTileRequestFunc func_request,
1231 PixbufRendererTileDisposeFunc func_dispose,
1235 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1236 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1237 g_return_if_fail(width >= 32 && height > 32);
1238 g_return_if_fail(func_request != NULL);
1240 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1243 pr_source_tile_unset(pr);
1245 if (cache_size < 4) cache_size = 4;
1247 pr->source_tiles_enabled = TRUE;
1248 pr->source_tiles_cache_size = cache_size;
1249 pr->source_tile_width = tile_width;
1250 pr->source_tile_height = tile_height;
1252 pr->image_width = width;
1253 pr->image_height = height;
1255 pr->func_tile_request = func_request;
1256 pr->func_tile_dispose = func_dispose;
1257 pr->func_tile_data = user_data;
1259 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1260 pr_redraw(pr, TRUE);
1263 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1265 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1266 g_return_if_fail(width >= 32 && height > 32);
1268 if (!pr->source_tiles_enabled) return;
1269 if (pr->image_width == width && pr->image_height == height) return;
1271 pr->image_width = width;
1272 pr->image_height = height;
1274 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1277 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1279 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1281 return pr->source_tiles_enabled;
1284 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1285 PrZoomFlags flags, gint x, gint y)
1287 gdouble zoom = pr->zoom;
1289 if (increment == 0.0) return;
1293 if (pr->scale < 1.0)
1295 zoom = 0.0 - 1.0 / pr->scale;
1303 if (increment < 0.0)
1305 if (zoom >= 1.0 && zoom + increment < 1.0)
1307 zoom = zoom + increment - 2.0;
1311 zoom = zoom + increment;
1316 if (zoom <= -1.0 && zoom + increment > -1.0)
1318 zoom = zoom + increment + 2.0;
1322 zoom = zoom + increment;
1326 pr_zoom_sync(pr, zoom, flags, x, y);
1331 *-------------------------------------------------------------------
1333 *-------------------------------------------------------------------
1336 static void pr_update_signal(PixbufRenderer *pr)
1339 log_printf("FIXME: send updated signal\n");
1341 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1342 pr->debug_updated = TRUE;
1345 static void pr_zoom_signal(PixbufRenderer *pr)
1347 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1350 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1352 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1355 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1357 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1360 void pr_render_complete_signal(PixbufRenderer *pr)
1364 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1365 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1367 if (pr->debug_updated)
1369 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1370 pr->debug_updated = FALSE;
1374 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1376 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1379 static void pr_update_pixel_signal(PixbufRenderer *pr)
1381 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1385 *-------------------------------------------------------------------
1387 *-------------------------------------------------------------------
1391 void pr_tile_coords_map_orientation(gint orientation,
1392 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1393 gdouble image_w, gdouble image_h,
1394 gdouble tile_w, gdouble tile_h,
1395 gdouble *res_x, gdouble *res_y)
1399 switch (orientation)
1401 case EXIF_ORIENTATION_TOP_LEFT:
1402 /* normal -- nothing to do */
1404 case EXIF_ORIENTATION_TOP_RIGHT:
1406 *res_x = image_w - tile_x - tile_w;
1408 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1410 *res_x = image_w - tile_x - tile_w;
1411 *res_y = image_h - tile_y - tile_h;
1413 case EXIF_ORIENTATION_BOTTOM_LEFT:
1415 *res_y = image_h - tile_y - tile_h;
1417 case EXIF_ORIENTATION_LEFT_TOP:
1421 case EXIF_ORIENTATION_RIGHT_TOP:
1422 /* rotated -90 (270) */
1424 *res_y = image_w - tile_x - tile_w;
1426 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1427 *res_x = image_h - tile_y - tile_h;
1428 *res_y = image_w - tile_x - tile_w;
1430 case EXIF_ORIENTATION_LEFT_BOTTOM:
1432 *res_x = image_h - tile_y - tile_h;
1436 /* The other values are out of range */
1439 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1442 void pr_tile_region_map_orientation(gint orientation,
1443 gint area_x, gint area_y, /* coordinates of the area inside tile */
1444 gint tile_w, gint tile_h,
1445 gint area_w, gint area_h,
1446 gint *res_x, gint *res_y,
1447 gint *res_w, gint *res_h)
1454 switch (orientation)
1456 case EXIF_ORIENTATION_TOP_LEFT:
1457 /* normal -- nothing to do */
1459 case EXIF_ORIENTATION_TOP_RIGHT:
1461 *res_x = tile_w - area_x - area_w;
1463 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1465 *res_x = tile_w - area_x - area_w;
1466 *res_y = tile_h - area_y - area_h;
1468 case EXIF_ORIENTATION_BOTTOM_LEFT:
1470 *res_y = tile_h - area_y - area_h;
1472 case EXIF_ORIENTATION_LEFT_TOP:
1478 case EXIF_ORIENTATION_RIGHT_TOP:
1479 /* rotated -90 (270) */
1481 *res_y = tile_w - area_x - area_w;
1485 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1486 *res_x = tile_h - area_y - area_h;
1487 *res_y = tile_w - area_x - area_w;
1491 case EXIF_ORIENTATION_LEFT_BOTTOM:
1493 *res_x = tile_h - area_y - area_h;
1499 /* The other values are out of range */
1502 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1505 void pr_coords_map_orientation_reverse(gint orientation,
1506 gint area_x, gint area_y,
1507 gint tile_w, gint tile_h,
1508 gint area_w, gint area_h,
1509 gint *res_x, gint *res_y,
1510 gint *res_w, gint *res_h)
1517 switch (orientation)
1519 case EXIF_ORIENTATION_TOP_LEFT:
1520 /* normal -- nothing to do */
1522 case EXIF_ORIENTATION_TOP_RIGHT:
1524 *res_x = tile_w - area_x - area_w;
1526 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1528 *res_x = tile_w - area_x - area_w;
1529 *res_y = tile_h - area_y - area_h;
1531 case EXIF_ORIENTATION_BOTTOM_LEFT:
1533 *res_y = tile_h - area_y - area_h;
1535 case EXIF_ORIENTATION_LEFT_TOP:
1541 case EXIF_ORIENTATION_RIGHT_TOP:
1542 /* rotated -90 (270) */
1543 *res_x = tile_w - area_y - area_h;
1548 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1549 *res_x = tile_w - area_y - area_h;
1550 *res_y = tile_h - area_x - area_w;
1554 case EXIF_ORIENTATION_LEFT_BOTTOM:
1557 *res_y = tile_h - area_x - area_w;
1562 /* The other values are out of range */
1569 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1572 if (!pr->width || !pr->height) return;
1575 * Update norm_center only if the image is bigger than the window.
1576 * With this condition the stored center survives also a temporary display
1577 * of the "broken image" icon.
1580 if (pr->width > pr->viewport_width)
1582 src_x = pr->x_scroll + pr->vis_width / 2;
1583 pr->norm_center_x = (gdouble)src_x / pr->width;
1586 if (pr->height > pr->viewport_height)
1588 src_y = pr->y_scroll + pr->vis_height / 2;
1589 pr->norm_center_y = (gdouble)src_y / pr->height;
1594 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1599 if (pr->zoom == 0.0)
1607 old_xs = pr->x_scroll;
1608 old_ys = pr->y_scroll;
1610 if (pr->x_offset > 0)
1616 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1619 if (pr->y_offset > 0)
1625 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1628 pixbuf_renderer_sync_scroll_center(pr);
1630 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1633 static gboolean pr_size_clamp(PixbufRenderer *pr)
1635 gint old_vw, old_vh;
1637 old_vw = pr->vis_width;
1638 old_vh = pr->vis_height;
1640 if (pr->width < pr->viewport_width)
1642 pr->vis_width = pr->width;
1643 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1647 pr->vis_width = pr->viewport_width;
1651 if (pr->height < pr->viewport_height)
1653 pr->vis_height = pr->height;
1654 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1658 pr->vis_height = pr->viewport_height;
1662 pixbuf_renderer_sync_scroll_center(pr);
1664 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1667 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1668 PrZoomFlags flags, gboolean *redrawn)
1673 gboolean force = !!(flags & PR_ZOOM_FORCE);
1674 gboolean new = !!(flags & PR_ZOOM_NEW);
1675 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1676 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1678 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1680 if (pr->zoom == zoom && !force) return FALSE;
1682 w = pr->image_width;
1683 h = pr->image_height;
1685 if (zoom == 0.0 && !pr->pixbuf)
1689 else if (zoom == 0.0)
1695 sizeable = (new && pr_parent_window_sizable(pr));
1699 max_w = gdk_screen_width();
1700 max_h = gdk_screen_height();
1702 if (pr->window_limit)
1704 max_w = max_w * pr->window_limit_size / 100;
1705 max_h = max_h * pr->window_limit_size / 100;
1710 max_w = pr->viewport_width;
1711 max_h = pr->viewport_height;
1714 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1716 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1718 scale = (gdouble)max_h / h / pr->aspect_ratio;
1720 w = w * scale + 0.5;
1721 if (w > max_w) w = max_w;
1725 scale = (gdouble)max_w / w;
1727 h = h * scale * pr->aspect_ratio + 0.5;
1728 if (h > max_h) h = max_h;
1731 if (pr->autofit_limit)
1733 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1734 w = w * factor + 0.5;
1735 h = h * factor + 0.5;
1736 scale = scale * factor;
1747 else if (zoom > 0.0) /* zoom orig, in */
1751 h = h * scale * pr->aspect_ratio;
1755 scale = 1.0 / (0.0 - zoom);
1757 h = h * scale * pr->aspect_ratio;
1760 invalid = (pr->width != w || pr->height != h);
1767 if (invalidate || invalid)
1769 pr->renderer->invalidate_all(pr->renderer);
1770 if (pr->renderer2) pr->renderer2->invalidate_all(pr->renderer2);
1771 if (!lazy) pr_redraw(pr, TRUE);
1773 if (redrawn) *redrawn = (invalidate || invalid);
1775 pixbuf_renderer_sync_scroll_center(pr);
1780 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1781 PrZoomFlags flags, gint px, gint py)
1784 gint old_cx, old_cy;
1787 gboolean redrawn = FALSE;
1788 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1789 gboolean force = !!(flags & PR_ZOOM_FORCE);
1790 gboolean new = !!(flags & PR_ZOOM_NEW);
1791 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1792 PrZoomFlags clamp_flags = flags;
1793 gdouble old_center_x = pr->norm_center_x;
1794 gdouble old_center_y = pr->norm_center_y;
1796 old_scale = pr->scale;
1799 px = CLAMP(px, 0, pr->width);
1800 py = CLAMP(py, 0, pr->height);
1801 old_cx = pr->x_scroll + (px - pr->x_offset);
1802 old_cy = pr->y_scroll + (py - pr->y_offset);
1807 old_cx = pr->x_scroll + pr->vis_width / 2;
1808 old_cy = pr->y_scroll + pr->vis_height / 2;
1811 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1812 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1813 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1815 clamped = pr_size_clamp(pr);
1816 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1820 switch (pr->scroll_reset)
1822 case PR_SCROLL_RESET_NOCHANGE:
1823 /* maintain old scroll position */
1824 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1825 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1827 case PR_SCROLL_RESET_CENTER:
1828 /* center new image */
1829 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1830 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1832 case PR_SCROLL_RESET_TOPLEFT:
1834 /* reset to upper left */
1842 /* user zoom does not force, so keep visible center point */
1845 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1846 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1850 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1851 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1855 pr_scroll_clamp(pr);
1857 /* If the window was not sized, redraw the image - we know there will be no size/expose signal.
1858 * But even if a size is claimed, there is no guarantee that the window manager will allow it,
1859 * so redraw the window anyway :/
1861 if (sized || clamped) pr_border_clear(pr);
1865 pr->renderer->queue_clear(pr->renderer);
1866 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1870 pr_redraw(pr, redrawn);
1873 pr_scroll_notify_signal(pr);
1875 pr_update_signal(pr);
1878 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1880 gboolean zoom_changed = FALSE;
1882 gint new_viewport_width = new_width;
1883 gint new_viewport_height = new_height;
1885 if (!pr->stereo_temp_disable)
1887 if (pr->stereo_mode & PR_STEREO_HORIZ)
1889 new_viewport_width = new_width / 2;
1891 else if (pr->stereo_mode & PR_STEREO_VERT)
1893 new_viewport_height = new_height / 2;
1895 else if (pr->stereo_mode & PR_STEREO_FIXED)
1897 new_viewport_width = pr->stereo_fixed_width;
1898 new_viewport_height = pr->stereo_fixed_height;
1902 if (pr->window_width == new_width && pr->window_height == new_height &&
1903 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1905 pr->window_width = new_width;
1906 pr->window_height = new_height;
1907 pr->viewport_width = new_viewport_width;
1908 pr->viewport_height = new_viewport_height;
1910 if (pr->zoom == 0.0)
1912 gdouble old_scale = pr->scale;
1913 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1914 zoom_changed = (old_scale != pr->scale);
1918 pr_scroll_clamp(pr);
1920 pr->renderer->update_sizes(pr->renderer);
1921 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1923 /* ensure scroller remains visible */
1924 if (pr->scroller_overlay != -1)
1926 gboolean update = FALSE;
1928 if (pr->scroller_x > new_width)
1930 pr->scroller_x = new_width;
1931 pr->scroller_xpos = new_width;
1934 if (pr->scroller_y > new_height)
1936 pr->scroller_y = new_height;
1937 pr->scroller_ypos = new_height;
1945 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1949 w = gdk_pixbuf_get_width(pixbuf);
1950 h = gdk_pixbuf_get_height(pixbuf);
1951 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1952 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1957 pr_border_clear(pr);
1959 pr_scroll_notify_signal(pr);
1960 if (zoom_changed) pr_zoom_signal(pr);
1961 pr_update_signal(pr);
1964 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1966 PixbufRenderer *pr = data;
1968 pr_size_sync(pr, allocation->width, allocation->height);
1971 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area)
1975 pr->renderer->redraw(pr->renderer, area->x, area->y, area->width, area->height,
1976 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1979 pr->renderer2->redraw(pr->renderer2, area->x, area->y, area->width, area->height,
1980 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1985 *-------------------------------------------------------------------
1987 *-------------------------------------------------------------------
1990 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1995 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1997 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1999 old_x = pr->x_scroll;
2000 old_y = pr->y_scroll;
2005 pr_scroll_clamp(pr);
2007 pixbuf_renderer_sync_scroll_center(pr);
2009 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
2011 pr_scroll_notify_signal(pr);
2013 x_off = pr->x_scroll - old_x;
2014 y_off = pr->y_scroll - old_y;
2016 pr->renderer->scroll(pr->renderer, x_off, y_off);
2017 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
2020 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
2021 gdouble x_align, gdouble y_align)
2026 x_align = CLAMP(x_align, 0.0, 1.0);
2027 y_align = CLAMP(y_align, 0.0, 1.0);
2029 ax = (gdouble)pr->vis_width * x_align;
2030 ay = (gdouble)pr->vis_height * y_align;
2032 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
2033 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
2035 pixbuf_renderer_scroll(pr, px, py);
2038 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
2040 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
2042 *x = pr->norm_center_x;
2043 *y = pr->norm_center_y;
2046 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
2048 gdouble dst_x, dst_y;
2050 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
2051 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
2053 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
2054 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
2056 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
2060 *-------------------------------------------------------------------
2062 *-------------------------------------------------------------------
2065 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2070 /* This is a hack, but work far the best, at least for single pointer systems.
2071 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
2073 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
2077 pr = PIXBUF_RENDERER(widget);
2079 if (pr->scroller_id)
2081 pr->scroller_xpos = bevent->x;
2082 pr->scroller_ypos = bevent->y;
2085 pr->x_mouse = bevent->x;
2086 pr->y_mouse = bevent->y;
2087 pr_update_pixel_signal(pr);
2089 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2091 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2097 widget_set_cursor(widget, GDK_FLEUR);
2100 if (bevent->state & GDK_CONTROL_MASK)
2102 accel = PR_PAN_SHIFT_MULTIPLIER;
2110 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2111 (pr->drag_last_y - bevent->y) * accel);
2113 pr_drag_signal(pr, bevent);
2115 pr->drag_last_x = bevent->x;
2116 pr->drag_last_y = bevent->y;
2118 /* This is recommended by the GTK+ documentation, but does not work properly.
2119 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2120 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2122 /* gdk_event_request_motions (bevent); */
2126 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2130 pr = PIXBUF_RENDERER(widget);
2134 pr_update_pixel_signal(pr);
2138 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2143 pr = PIXBUF_RENDERER(widget);
2145 if (pr->scroller_id) return TRUE;
2147 switch (bevent->button)
2149 case MOUSE_BUTTON_LEFT:
2151 pr->drag_last_x = bevent->x;
2152 pr->drag_last_y = bevent->y;
2154 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2155 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2156 NULL, NULL, bevent->time);
2157 gtk_grab_add(widget);
2159 case MOUSE_BUTTON_MIDDLE:
2162 case MOUSE_BUTTON_RIGHT:
2163 pr_clicked_signal(pr, bevent);
2169 parent = gtk_widget_get_parent(widget);
2170 #if GTK_CHECK_VERSION(2,20,0)
2171 if (widget && gtk_widget_get_can_focus(parent))
2173 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2176 gtk_widget_grab_focus(parent);
2182 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2186 pr = PIXBUF_RENDERER(widget);
2188 if (pr->scroller_id)
2190 pr_scroller_stop(pr);
2194 #if GTK_CHECK_VERSION(2,20,0)
2195 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2197 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2200 gtk_grab_remove(widget);
2201 gdk_pointer_ungrab(bevent->time);
2202 widget_set_cursor(widget, -1);
2205 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2207 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2209 pr_scroller_start(pr, bevent->x, bevent->y);
2211 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2213 pr_clicked_signal(pr, bevent);
2217 pr->in_drag = FALSE;
2222 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2226 pr = PIXBUF_RENDERER(widget);
2228 if (pr->scroller_id)
2230 pr->scroller_xpos = pr->scroller_x;
2231 pr->scroller_ypos = pr->scroller_y;
2232 pr->scroller_xinc = 0;
2233 pr->scroller_yinc = 0;
2239 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2243 pr = PIXBUF_RENDERER(widget);
2245 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2248 static void pr_signals_connect(PixbufRenderer *pr)
2250 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2251 G_CALLBACK(pr_mouse_motion_cb), pr);
2252 g_signal_connect(G_OBJECT(pr), "button_press_event",
2253 G_CALLBACK(pr_mouse_press_cb), pr);
2254 g_signal_connect(G_OBJECT(pr), "button_release_event",
2255 G_CALLBACK(pr_mouse_release_cb), pr);
2256 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2257 G_CALLBACK(pr_mouse_leave_cb), pr);
2258 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2259 G_CALLBACK(pr_leave_notify_cb), pr);
2261 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2262 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2263 GDK_LEAVE_NOTIFY_MASK);
2265 g_signal_connect(G_OBJECT(pr), "drag_begin",
2266 G_CALLBACK(pr_mouse_drag_cb), pr);
2271 *-------------------------------------------------------------------
2273 *-------------------------------------------------------------------
2276 #define COLOR_BYTES 3 /* rgb */
2277 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2280 guchar *s_pix, *d_pix;
2285 srs = gdk_pixbuf_get_rowstride(right);
2286 s_pix = gdk_pixbuf_get_pixels(right);
2287 spi = s_pix + (x * COLOR_BYTES);
2289 drs = gdk_pixbuf_get_rowstride(pixbuf);
2290 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2291 dpi = d_pix + x * COLOR_BYTES;
2293 for (i = y; i < y + h; i++)
2295 sp = spi + (i * srs);
2296 dp = dpi + (i * drs);
2297 for (j = 0; j < w; j++)
2299 *dp = *sp; /* copy red channel */
2306 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2309 guchar *s_pix, *d_pix;
2313 const double gc[3] = {0.299, 0.587, 0.114};
2315 srs = gdk_pixbuf_get_rowstride(right);
2316 s_pix = gdk_pixbuf_get_pixels(right);
2317 spi = s_pix + (x * COLOR_BYTES);
2319 drs = gdk_pixbuf_get_rowstride(pixbuf);
2320 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2321 dpi = d_pix + x * COLOR_BYTES;
2323 for (i = y; i < y + h; i++)
2325 sp = spi + (i * srs);
2326 dp = dpi + (i * drs);
2327 for (j = 0; j < w; j++)
2329 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2330 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2331 dp[0] = g2; /* red channel from sp */
2332 dp[1] = g1; /* green and blue from dp */
2340 const double pr_dubois_matrix[3][6] = {
2341 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2342 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2343 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2346 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2349 guchar *s_pix, *d_pix;
2354 srs = gdk_pixbuf_get_rowstride(right);
2355 s_pix = gdk_pixbuf_get_pixels(right);
2356 spi = s_pix + (x * COLOR_BYTES);
2358 drs = gdk_pixbuf_get_rowstride(pixbuf);
2359 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2360 dpi = d_pix + x * COLOR_BYTES;
2362 for (i = y; i < y + h; i++)
2364 sp = spi + (i * srs);
2365 dp = dpi + (i * drs);
2366 for (j = 0; j < w; j++)
2369 for (k = 0; k < 3; k++)
2371 double *m = pr_dubois_matrix[k];
2372 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];
2373 if (res[k] < 0.0) res[k] = 0;
2374 if (res[k] > 255.0) res[k] = 255.0;
2385 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2387 if (mode & PR_STEREO_ANAGLYPH_RC)
2388 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2389 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2390 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2391 else if (mode & PR_STEREO_ANAGLYPH_DB)
2392 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2396 *-------------------------------------------------------------------
2398 *-------------------------------------------------------------------
2400 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2402 pr->stereo_pixbuf_offset_left = 0;
2403 pr->stereo_pixbuf_offset_right = 0;
2404 if (!pr->pixbuf) return;
2405 switch (pr->orientation)
2407 case EXIF_ORIENTATION_LEFT_TOP:
2408 case EXIF_ORIENTATION_RIGHT_TOP:
2409 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2410 case EXIF_ORIENTATION_LEFT_BOTTOM:
2411 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2412 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2413 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2415 pr->image_height /= 2;
2416 pr->stereo_pixbuf_offset_right = pr->image_height;
2418 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2420 pr->image_height /= 2;
2421 pr->stereo_pixbuf_offset_left = pr->image_height;
2426 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2427 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2428 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2430 pr->image_width /= 2;
2431 pr->stereo_pixbuf_offset_right = pr->image_width;
2433 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2435 pr->image_width /= 2;
2436 pr->stereo_pixbuf_offset_left = pr->image_width;
2441 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2443 if (pixbuf) g_object_ref(pixbuf);
2444 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2445 pr->pixbuf = pixbuf;
2451 /* no pixbuf so just clear the window */
2452 pr->image_width = 0;
2453 pr->image_height = 0;
2455 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2456 and used for pixbuf_renderer_zoom_get */
2458 box = GTK_WIDGET(pr);
2460 #if GTK_CHECK_VERSION(2,20,0)
2461 if (gtk_widget_get_realized(box))
2463 if (GTK_WIDGET_REALIZED(box))
2466 #if !GTK_CHECK_VERSION(3,0,0)
2467 gdk_window_clear(gtk_widget_get_window(box));
2469 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2470 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2473 pr_update_signal(pr);
2478 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2480 gint disable = !pr->pixbuf || ! pr->stereo_data;
2481 pr_stereo_temp_disable(pr, disable);
2484 pr_pixbuf_size_sync(pr);
2485 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2488 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2490 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2492 pr_source_tile_unset(pr);
2494 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2496 pr_update_signal(pr);
2499 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2501 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2503 pr_source_tile_unset(pr);
2505 pr->orientation = orientation;
2506 pr->stereo_data = stereo_data;
2507 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2509 pr_update_signal(pr);
2512 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2514 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2519 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2521 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2523 pr->orientation = orientation;
2525 pr_pixbuf_size_sync(pr);
2526 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2529 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2532 return pr->orientation;
2535 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2537 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2539 pr->stereo_data = stereo_data;
2541 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2543 gint disable = !pr->pixbuf || ! pr->stereo_data;
2544 pr_stereo_temp_disable(pr, disable);
2546 pr_pixbuf_size_sync(pr);
2547 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2550 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2552 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2554 pr->func_post_process = func;
2555 pr->post_process_user_data = user_data;
2556 pr->post_process_slow = func && slow;
2561 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2564 PixbufRendererScrollResetType scroll_reset;
2566 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2567 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2569 if (pr == source) return;
2571 object = G_OBJECT(pr);
2573 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2574 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2575 g_object_set(object, "loading", source->loading, NULL);
2577 pr->complete = source->complete;
2579 pr->x_scroll = source->x_scroll;
2580 pr->y_scroll = source->y_scroll;
2581 pr->x_mouse = source->x_mouse;
2582 pr->y_mouse = source->y_mouse;
2584 scroll_reset = pr->scroll_reset;
2585 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2587 pr->func_post_process = source->func_post_process;
2588 pr->post_process_user_data = source->post_process_user_data;
2589 pr->post_process_slow = source->post_process_slow;
2590 pr->orientation = source->orientation;
2591 pr->stereo_data = source->stereo_data;
2593 if (source->source_tiles_enabled)
2595 pr_source_tile_unset(pr);
2597 pr->source_tiles_enabled = source->source_tiles_enabled;
2598 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2599 pr->source_tile_width = source->source_tile_width;
2600 pr->source_tile_height = source->source_tile_height;
2601 pr->image_width = source->image_width;
2602 pr->image_height = source->image_height;
2604 pr->func_tile_request = source->func_tile_request;
2605 pr->func_tile_dispose = source->func_tile_dispose;
2606 pr->func_tile_data = source->func_tile_data;
2608 pr->source_tiles = source->source_tiles;
2609 source->source_tiles = NULL;
2611 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2612 pr_redraw(pr, TRUE);
2616 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2619 pr->scroll_reset = scroll_reset;
2621 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2622 // pr_queue_clear(source);
2623 // pr_tile_free_all(source);
2626 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2628 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2630 if (pr->source_tiles_enabled)
2632 pr_source_tile_changed(pr, x, y, w, h);
2635 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2636 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2639 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2641 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2643 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2646 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2648 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2650 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2653 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2655 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2657 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2660 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2662 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2667 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2669 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2674 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2676 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2678 if (min > 1.0 || max < 1.0) return;
2679 if (min < 1.0 && min > -1.0) return;
2680 if (min < -200.0 || max > 200.0) return;
2682 if (pr->zoom_min != min)
2685 g_object_notify(G_OBJECT(pr), "zoom_min");
2687 if (pr->zoom_max != max)
2690 g_object_notify(G_OBJECT(pr), "zoom_max");
2694 static void pr_stereo_set(PixbufRenderer *pr)
2696 if (!pr->renderer) pr->renderer = (void *)renderer_tiles_new(pr);
2698 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2700 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2702 if (!pr->renderer2) pr->renderer2 = (void *)renderer_tiles_new(pr);
2703 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2707 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2708 pr->renderer2 = NULL;
2710 if (pr->stereo_mode & PR_STEREO_HALF)
2712 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2713 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2714 else pr->aspect_ratio = 1.0;
2718 pr->aspect_ratio = 1.0;
2722 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2724 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2725 pr->stereo_mode = stereo_mode;
2726 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2728 pr->stereo_temp_disable = FALSE;
2734 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2735 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2739 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2741 pr->stereo_fixed_width = width;
2742 pr->stereo_fixed_height = height;
2743 pr->stereo_fixed_x_left = x1;
2744 pr->stereo_fixed_y_left = y1;
2745 pr->stereo_fixed_x_right = x2;
2746 pr->stereo_fixed_y_right = y2;
2749 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2751 return pr->stereo_mode;
2754 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2756 if (pr->stereo_temp_disable == disable) return;
2757 pr->stereo_temp_disable = disable;
2760 if (!pr->renderer) pr->renderer = (void *)renderer_tiles_new(pr);
2761 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2762 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2763 pr->renderer2 = NULL;
2764 pr->aspect_ratio = 1.0;
2770 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2773 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2774 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2776 GdkPixbuf *pb = pr->pixbuf;
2779 gint map_x, map_y, map_w, map_h;
2781 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2782 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2784 if (!pr->pixbuf && !pr->source_tiles_enabled)
2792 if (!pb) return FALSE;
2794 pr_tile_region_map_orientation(pr->orientation,
2796 pr->image_width, pr->image_height,
2797 1, 1, /*single pixel */
2801 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2802 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2804 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2805 prs = gdk_pixbuf_get_rowstride(pb);
2806 p_pix = gdk_pixbuf_get_pixels(pb);
2808 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2818 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2820 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2822 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2823 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2825 if (!pr->pixbuf && !pr->source_tiles_enabled)
2827 *x_pixel_return = -1;
2828 *y_pixel_return = -1;
2832 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2833 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2834 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2835 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2837 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2839 /* mouse is not on pr */
2840 x_pixel = y_pixel = -1;
2843 *x_pixel_return = x_pixel;
2844 *y_pixel_return = y_pixel;
2849 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2851 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2852 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2854 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2861 *width = pr->image_width;
2862 *height = pr->image_height;
2866 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2868 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2869 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2871 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2879 *height = pr->height;
2883 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2885 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2886 g_return_val_if_fail(rect != NULL, FALSE);
2888 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2898 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2899 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2900 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2901 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2905 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2907 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2908 g_return_val_if_fail(rect != NULL, FALSE);
2910 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2919 rect->x = pr->x_scroll;
2920 rect->y = pr->y_scroll;
2921 rect->width = pr->vis_width;
2922 rect->height = pr->vis_height;
2926 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2931 zoom = pixbuf_renderer_zoom_get(pr);
2932 pr->image_width = width;
2933 pr->image_height = height;
2935 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2940 //pr->width = width;
2941 //pr->height = height;
2944 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */