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,
94 PROP_CACHE_SIZE_DISPLAY,
95 PROP_CACHE_SIZE_TILES,
98 PROP_WINDOW_LIMIT_VALUE,
100 PROP_AUTOFIT_LIMIT_VALUE
105 PR_ZOOM_FORCE = 1 << 0,
106 PR_ZOOM_NEW = 1 << 1,
107 PR_ZOOM_CENTER = 1 << 2,
108 PR_ZOOM_INVALIDATE = 1 << 3,
109 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
112 static guint signals[SIGNAL_COUNT] = { 0 };
113 static GtkEventBoxClass *parent_class = NULL;
117 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
118 static void pixbuf_renderer_init(PixbufRenderer *pr);
119 static void pixbuf_renderer_finalize(GObject *object);
120 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
121 const GValue *value, GParamSpec *pspec);
122 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
123 GValue *value, GParamSpec *pspec);
124 #if GTK_CHECK_VERSION(3,0,0)
125 static gboolean pixbuf_renderer_draw(GtkWidget *widget, cairo_t *cr);
127 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event);
130 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
133 static void pr_source_tile_free_all(PixbufRenderer *pr);
135 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
136 PrZoomFlags flags, gint px, gint py);
138 static void pr_signals_connect(PixbufRenderer *pr);
139 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
140 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area);
141 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
145 *-------------------------------------------------------------------
146 * Pixbuf Renderer object
147 *-------------------------------------------------------------------
150 GType pixbuf_renderer_get_type(void)
152 static GType pixbuf_renderer_type = 0;
154 if (!pixbuf_renderer_type)
156 static const GTypeInfo pixbuf_renderer_info =
158 sizeof(PixbufRendererClass), /* class_size */
159 NULL, /* base_init */
160 NULL, /* base_finalize */
161 (GClassInitFunc)pixbuf_renderer_class_init,
162 NULL, /* class_finalize */
163 NULL, /* class_data */
164 sizeof(PixbufRenderer), /* instance_size */
166 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
167 NULL, /* value_table */
170 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
171 &pixbuf_renderer_info, 0);
174 return pixbuf_renderer_type;
177 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
179 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
180 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(class);
182 parent_class = g_type_class_peek_parent(class);
184 gobject_class->set_property = pixbuf_renderer_set_property;
185 gobject_class->get_property = pixbuf_renderer_get_property;
187 gobject_class->finalize = pixbuf_renderer_finalize;
189 #if GTK_CHECK_VERSION(3,0,0)
190 widget_class->draw = pixbuf_renderer_draw;
192 widget_class->expose_event = pixbuf_renderer_expose;
195 g_object_class_install_property(gobject_class,
197 g_param_spec_double("zoom_min",
203 G_PARAM_READABLE | G_PARAM_WRITABLE));
205 g_object_class_install_property(gobject_class,
207 g_param_spec_double("zoom_max",
213 G_PARAM_READABLE | G_PARAM_WRITABLE));
215 g_object_class_install_property(gobject_class,
217 g_param_spec_uint("zoom_quality",
223 G_PARAM_READABLE | G_PARAM_WRITABLE));
225 g_object_class_install_property(gobject_class,
227 g_param_spec_boolean("zoom_2pass",
231 G_PARAM_READABLE | G_PARAM_WRITABLE));
233 g_object_class_install_property(gobject_class,
235 g_param_spec_boolean("zoom_expand",
236 "Expand image in autozoom.",
239 G_PARAM_READABLE | G_PARAM_WRITABLE));
240 #if !GTK_CHECK_VERSION(3,0,0)
241 g_object_class_install_property(gobject_class,
243 g_param_spec_uint("dither_quality",
248 GDK_RGB_DITHER_NORMAL,
249 G_PARAM_READABLE | G_PARAM_WRITABLE));
251 g_object_class_install_property(gobject_class,
253 g_param_spec_uint("scroll_reset",
254 "New image scroll reset",
256 PR_SCROLL_RESET_TOPLEFT,
257 PR_SCROLL_RESET_NOCHANGE,
258 PR_SCROLL_RESET_TOPLEFT,
259 G_PARAM_READABLE | G_PARAM_WRITABLE));
261 g_object_class_install_property(gobject_class,
263 g_param_spec_boolean("delay_flip",
264 "Delay image update",
267 G_PARAM_READABLE | G_PARAM_WRITABLE));
269 g_object_class_install_property(gobject_class,
271 g_param_spec_boolean("loading",
272 "Image actively loading",
275 G_PARAM_READABLE | G_PARAM_WRITABLE));
277 g_object_class_install_property(gobject_class,
279 g_param_spec_boolean("complete",
280 "Image rendering complete",
283 G_PARAM_READABLE | G_PARAM_WRITABLE));
285 g_object_class_install_property(gobject_class,
286 PROP_CACHE_SIZE_DISPLAY,
287 g_param_spec_uint("cache_display",
288 "Display cache size MB",
292 PR_CACHE_SIZE_DEFAULT,
293 G_PARAM_READABLE | G_PARAM_WRITABLE));
295 g_object_class_install_property(gobject_class,
296 PROP_CACHE_SIZE_TILES,
297 g_param_spec_uint("cache_tiles",
299 "Number of tiles to retain in memory at any one time.",
302 PR_CACHE_SIZE_DEFAULT,
303 G_PARAM_READABLE | G_PARAM_WRITABLE));
305 g_object_class_install_property(gobject_class,
307 g_param_spec_boolean("window_fit",
308 "Fit window to image size",
311 G_PARAM_READABLE | G_PARAM_WRITABLE));
313 g_object_class_install_property(gobject_class,
315 g_param_spec_boolean("window_limit",
316 "Limit size of parent window",
319 G_PARAM_READABLE | G_PARAM_WRITABLE));
321 g_object_class_install_property(gobject_class,
322 PROP_WINDOW_LIMIT_VALUE,
323 g_param_spec_uint("window_limit_value",
324 "Size limit of parent window",
329 G_PARAM_READABLE | G_PARAM_WRITABLE));
331 g_object_class_install_property(gobject_class,
333 g_param_spec_boolean("autofit_limit",
334 "Limit size of image when autofitting",
337 G_PARAM_READABLE | G_PARAM_WRITABLE));
339 g_object_class_install_property(gobject_class,
340 PROP_AUTOFIT_LIMIT_VALUE,
341 g_param_spec_uint("autofit_limit_value",
342 "Size limit of image when autofitting",
347 G_PARAM_READABLE | G_PARAM_WRITABLE));
350 signals[SIGNAL_ZOOM] =
352 G_OBJECT_CLASS_TYPE(gobject_class),
354 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
356 g_cclosure_marshal_VOID__DOUBLE,
360 signals[SIGNAL_CLICKED] =
361 g_signal_new("clicked",
362 G_OBJECT_CLASS_TYPE(gobject_class),
364 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
366 g_cclosure_marshal_VOID__BOXED,
370 signals[SIGNAL_SCROLL_NOTIFY] =
371 g_signal_new("scroll-notify",
372 G_OBJECT_CLASS_TYPE(gobject_class),
374 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
376 g_cclosure_marshal_VOID__VOID,
379 signals[SIGNAL_RENDER_COMPLETE] =
380 g_signal_new("render-complete",
381 G_OBJECT_CLASS_TYPE(gobject_class),
383 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
385 g_cclosure_marshal_VOID__VOID,
388 signals[SIGNAL_DRAG] =
390 G_OBJECT_CLASS_TYPE(gobject_class),
392 G_STRUCT_OFFSET(PixbufRendererClass, drag),
394 g_cclosure_marshal_VOID__BOXED,
398 signals[SIGNAL_UPDATE_PIXEL] =
399 g_signal_new("update-pixel",
400 G_OBJECT_CLASS_TYPE(gobject_class),
402 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
404 g_cclosure_marshal_VOID__VOID,
408 static void pixbuf_renderer_init(PixbufRenderer *pr)
412 box = GTK_WIDGET(pr);
414 pr->zoom_min = PR_ZOOM_MIN;
415 pr->zoom_max = PR_ZOOM_MAX;
416 pr->zoom_quality = GDK_INTERP_BILINEAR;
417 pr->zoom_2pass = FALSE;
421 pr->aspect_ratio = 1.0;
423 #if !GTK_CHECK_VERSION(3,0,0)
424 pr->dither_quality = GDK_RGB_DITHER_NORMAL;
427 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
430 pr->scroller_overlay = -1;
435 pr->source_tiles_enabled = FALSE;
436 pr->source_tiles = NULL;
440 pr->norm_center_x = 0.5;
441 pr->norm_center_y = 0.5;
443 pr->stereo_mode = PR_STEREO_NONE;
445 pr->renderer = (void *)renderer_tiles_new(pr);
447 pr->renderer2 = NULL;
449 gtk_widget_set_double_buffered(box, FALSE);
450 g_signal_connect_after(G_OBJECT(box), "size_allocate",
451 G_CALLBACK(pr_size_cb), pr);
453 pr_signals_connect(pr);
456 static void pixbuf_renderer_finalize(GObject *object)
460 pr = PIXBUF_RENDERER(object);
462 pr->renderer->free(pr->renderer);
463 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
466 if (pr->pixbuf) g_object_unref(pr->pixbuf);
468 pr_scroller_timer_set(pr, FALSE);
470 pr_source_tile_free_all(pr);
473 PixbufRenderer *pixbuf_renderer_new(void)
475 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
478 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
479 const GValue *value, GParamSpec *pspec)
483 pr = PIXBUF_RENDERER(object);
488 pr->zoom_min = g_value_get_double(value);
491 pr->zoom_max = g_value_get_double(value);
493 case PROP_ZOOM_QUALITY:
494 pr->zoom_quality = g_value_get_uint(value);
496 case PROP_ZOOM_2PASS:
497 pr->zoom_2pass = g_value_get_boolean(value);
499 case PROP_ZOOM_EXPAND:
500 pr->zoom_expand = g_value_get_boolean(value);
502 #if !GTK_CHECK_VERSION(3,0,0)
503 case PROP_DITHER_QUALITY:
504 pr->dither_quality = g_value_get_uint(value);
507 case PROP_SCROLL_RESET:
508 pr->scroll_reset = g_value_get_uint(value);
510 case PROP_DELAY_FLIP:
511 pr->delay_flip = g_value_get_boolean(value);
514 pr->loading = g_value_get_boolean(value);
517 pr->complete = g_value_get_boolean(value);
519 case PROP_CACHE_SIZE_DISPLAY:
520 // pr->tile_cache_max = g_value_get_uint(value);
522 case PROP_CACHE_SIZE_TILES:
523 pr->source_tiles_cache_size = g_value_get_uint(value);
525 case PROP_WINDOW_FIT:
526 pr->window_fit = g_value_get_boolean(value);
528 case PROP_WINDOW_LIMIT:
529 pr->window_limit = g_value_get_boolean(value);
531 case PROP_WINDOW_LIMIT_VALUE:
532 pr->window_limit_size = g_value_get_uint(value);
534 case PROP_AUTOFIT_LIMIT:
535 pr->autofit_limit = g_value_get_boolean(value);
537 case PROP_AUTOFIT_LIMIT_VALUE:
538 pr->autofit_limit_size = g_value_get_uint(value);
541 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
546 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
547 GValue *value, GParamSpec *pspec)
551 pr = PIXBUF_RENDERER(object);
556 g_value_set_double(value, pr->zoom_min);
559 g_value_set_double(value, pr->zoom_max);
561 case PROP_ZOOM_QUALITY:
562 g_value_set_uint(value, pr->zoom_quality);
564 case PROP_ZOOM_2PASS:
565 g_value_set_boolean(value, pr->zoom_2pass);
567 case PROP_ZOOM_EXPAND:
568 g_value_set_boolean(value, pr->zoom_expand);
570 #if !GTK_CHECK_VERSION(3,0,0)
571 case PROP_DITHER_QUALITY:
572 g_value_set_uint(value, pr->dither_quality);
575 case PROP_SCROLL_RESET:
576 g_value_set_uint(value, pr->scroll_reset);
578 case PROP_DELAY_FLIP:
579 g_value_set_boolean(value, pr->delay_flip);
582 g_value_set_boolean(value, pr->loading);
585 g_value_set_boolean(value, pr->complete);
587 case PROP_CACHE_SIZE_DISPLAY:
588 // g_value_set_uint(value, pr->tile_cache_max);
590 case PROP_CACHE_SIZE_TILES:
591 g_value_set_uint(value, pr->source_tiles_cache_size);
593 case PROP_WINDOW_FIT:
594 g_value_set_boolean(value, pr->window_fit);
596 case PROP_WINDOW_LIMIT:
597 g_value_set_boolean(value, pr->window_limit);
599 case PROP_WINDOW_LIMIT_VALUE:
600 g_value_set_uint(value, pr->window_limit_size);
602 case PROP_AUTOFIT_LIMIT:
603 g_value_set_boolean(value, pr->autofit_limit);
605 case PROP_AUTOFIT_LIMIT_VALUE:
606 g_value_set_uint(value, pr->autofit_limit_size);
609 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
614 #if GTK_CHECK_VERSION(3,0,0)
616 static gboolean pixbuf_renderer_draw(GtkWidget *widget, cairo_t *cr)
618 if (gtk_widget_is_drawable(widget))
620 if (gtk_widget_get_has_window(widget))
623 if (gdk_cairo_get_clip_rectangle(cr, &area))
625 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
634 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event)
636 #if GTK_CHECK_VERSION(2,20,0)
637 if (gtk_widget_is_drawable(widget))
639 if (GTK_WIDGET_DRAWABLE(widget))
642 #if GTK_CHECK_VERSION(2,20,0)
643 if (gtk_widget_get_has_window(widget))
645 if (!GTK_WIDGET_NO_WINDOW(widget))
648 if (event->window != gtk_widget_get_window(widget))
652 gdk_window_get_position(event->window, &area.x, &area.y);
653 area.x += event->area.x;
654 area.y += event->area.y;
655 area.width = event->area.width;
656 area.height = event->area.height;
657 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
661 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &event->area);
671 *-------------------------------------------------------------------
673 *-------------------------------------------------------------------
676 static void widget_set_cursor(GtkWidget *widget, gint icon)
680 if (!gtk_widget_get_window(widget)) return;
688 cursor = gdk_cursor_new(icon);
691 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
693 if (cursor) gdk_cursor_unref(cursor);
696 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
697 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
698 gint *rx, gint *ry, gint *rw, gint *rh)
700 if (clip_x + clip_w <= x ||
702 clip_y + clip_h <= y ||
708 *rx = MAX(x, clip_x);
709 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
711 *ry = MAX(y, clip_y);
712 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
717 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
719 GdkWindowState state;
721 if (!pr->parent_window) return FALSE;
722 if (!pr->window_fit) return FALSE;
723 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
725 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
726 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
727 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
732 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
737 GtkAllocation widget_allocation;
738 GtkAllocation parent_allocation;
740 if (!pr_parent_window_sizable(pr)) return FALSE;
742 if (pr->window_limit)
744 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
745 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
751 widget = GTK_WIDGET(pr);
752 parent = GTK_WIDGET(pr->parent_window);
754 gtk_widget_get_allocation(widget, &widget_allocation);
755 gtk_widget_get_allocation(parent, &parent_allocation);
757 w += (parent_allocation.width - widget_allocation.width);
758 h += (parent_allocation.height - widget_allocation.height);
760 ww = gdk_window_get_width(gtk_widget_get_window(parent));
761 wh = gdk_window_get_height(gtk_widget_get_window(parent));
762 if (w == ww && h == wh) return FALSE;
764 gdk_window_resize(gtk_widget_get_window(parent), w, h);
769 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
771 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
772 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
774 pr->parent_window = GTK_WIDGET(window);
777 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
779 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
781 return GTK_WINDOW(pr->parent_window);
786 *-------------------------------------------------------------------
788 *-------------------------------------------------------------------
792 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
793 OverlayRendererFlags flags)
795 /* let's assume both renderers returns the same value */
796 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
797 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
800 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
802 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
803 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
806 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
808 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
809 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
812 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
814 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
815 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
819 *-------------------------------------------------------------------
821 *-------------------------------------------------------------------
825 static gboolean pr_scroller_update_cb(gpointer data)
827 PixbufRenderer *pr = data;
831 /* this was a simple scroll by difference between scroller and mouse position,
832 * but all this math results in a smoother result and accounts for a dead zone.
835 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
841 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
842 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
843 x += (x > 0) ? -shift : shift;
846 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
852 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
853 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
854 y += (y > 0) ? -shift : shift;
857 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
863 xinc = pr->scroller_xinc;
867 if (xinc < 0) xinc = 0;
868 if (x < xinc) xinc = x;
869 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
873 if (xinc > 0) xinc = 0;
874 if (x > xinc) xinc = x;
875 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
879 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
885 yinc = pr->scroller_yinc;
889 if (yinc < 0) yinc = 0;
890 if (y < yinc) yinc = y;
891 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
895 if (yinc > 0) yinc = 0;
896 if (y > yinc) yinc = y;
897 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
901 pr->scroller_xinc = xinc;
902 pr->scroller_yinc = yinc;
904 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
905 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
907 pixbuf_renderer_scroll(pr, xinc, yinc);
912 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
916 g_source_remove(pr->scroller_id);
922 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
923 pr_scroller_update_cb, pr);
927 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
929 if (pr->scroller_overlay == -1)
935 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
937 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
938 gdk_pixbuf_fill(pixbuf, 0x000000ff);
940 w = gdk_pixbuf_get_width(pixbuf);
941 h = gdk_pixbuf_get_height(pixbuf);
943 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
944 g_object_unref(pixbuf);
949 pr->scroller_xpos = x;
950 pr->scroller_ypos = y;
952 pr_scroller_timer_set(pr, TRUE);
955 static void pr_scroller_stop(PixbufRenderer *pr)
957 if (!pr->scroller_id) return;
959 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
960 pr->scroller_overlay = -1;
962 pr_scroller_timer_set(pr, FALSE);
966 *-------------------------------------------------------------------
968 *-------------------------------------------------------------------
971 static void pr_border_clear(PixbufRenderer *pr)
973 pr->renderer->border_clear(pr->renderer);
974 if (pr->renderer2) pr->renderer2->border_clear(pr->renderer2);
977 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
982 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
984 widget = GTK_WIDGET(pr);
989 style = gtk_style_copy(gtk_widget_get_style(widget));
990 slot = &style->bg[GTK_STATE_NORMAL];
992 slot->red = color->red;
993 slot->green = color->green;
994 slot->blue = color->blue;
997 style = gtk_style_copy(gtk_widget_get_default_style());
1000 gtk_widget_set_style(widget, style);
1002 #if GTK_CHECK_VERSION(2,20,0)
1003 if (gtk_widget_get_visible(widget)) pr_border_clear(pr);
1005 if (GTK_WIDGET_VISIBLE(widget)) pr_border_clear(pr);
1009 static void pr_redraw(PixbufRenderer *pr, gboolean new_data)
1011 pr->renderer->queue_clear(pr->renderer);
1012 pr->renderer->redraw(pr->renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
1013 if (pr->renderer2) {
1014 pr->renderer2->queue_clear(pr->renderer2);
1015 pr->renderer2->redraw(pr->renderer2, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
1020 *-------------------------------------------------------------------
1022 *-------------------------------------------------------------------
1025 static void pr_source_tile_free(SourceTile *st)
1029 if (st->pixbuf) g_object_unref(st->pixbuf);
1033 static void pr_source_tile_free_all(PixbufRenderer *pr)
1037 work = pr->source_tiles;
1045 pr_source_tile_free(st);
1048 g_list_free(pr->source_tiles);
1049 pr->source_tiles = NULL;
1052 static void pr_source_tile_unset(PixbufRenderer *pr)
1054 pr_source_tile_free_all(pr);
1055 pr->source_tiles_enabled = FALSE;
1058 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
1060 gint x1, y1, x2, y2;
1062 if (!st) return FALSE;
1064 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
1065 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
1066 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
1067 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
1070 x2 = pr->x_scroll + pr->vis_width;
1071 y2 = pr->y_scroll + pr->vis_height;
1073 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
1074 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
1075 (gdouble)st->y * pr->scale > (gdouble)y2 ||
1076 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1079 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1081 SourceTile *st = NULL;
1084 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1086 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1088 count = g_list_length(pr->source_tiles);
1089 if (count >= pr->source_tiles_cache_size)
1093 work = g_list_last(pr->source_tiles);
1094 while (work && count >= pr->source_tiles_cache_size)
1098 needle = work->data;
1101 if (!pr_source_tile_visible(pr, needle))
1103 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1105 if (pr->func_tile_dispose)
1107 pr->func_tile_dispose(pr, needle->x, needle->y,
1108 pr->source_tile_width, pr->source_tile_height,
1109 needle->pixbuf, pr->func_tile_data);
1118 pr_source_tile_free(needle);
1128 st = g_new0(SourceTile, 1);
1129 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1130 pr->source_tile_width, pr->source_tile_height);
1133 st->x = ROUND_DOWN(x, pr->source_tile_width);
1134 st->y = ROUND_DOWN(y, pr->source_tile_height);
1137 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1142 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1146 st = pr_source_tile_new(pr, x, y);
1147 if (!st) return NULL;
1149 if (pr->func_tile_request &&
1150 pr->func_tile_request(pr, st->x, st->y,
1151 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1156 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1157 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1158 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1159 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1163 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1167 work = pr->source_tiles;
1170 SourceTile *st = work->data;
1172 if (x >= st->x && x < st->x + pr->source_tile_width &&
1173 y >= st->y && y < st->y + pr->source_tile_height)
1175 if (work != pr->source_tiles)
1177 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1178 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1189 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1197 if (w > pr->image_width) w = pr->image_width;
1198 if (h > pr->image_height) h = pr->image_height;
1200 sx = ROUND_DOWN(x, pr->source_tile_width);
1201 sy = ROUND_DOWN(y, pr->source_tile_height);
1203 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1205 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1209 st = pr_source_tile_find(pr, x1, y1);
1210 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1212 if (st) list = g_list_prepend(list, st);
1216 return g_list_reverse(list);
1219 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1223 if (width < 1 || height < 1) return;
1225 work = pr->source_tiles;
1229 gint rx, ry, rw, rh;
1234 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1235 x, y, width, height,
1236 &rx, &ry, &rw, &rh))
1240 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1241 if (pr->func_tile_request &&
1242 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1244 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1245 rw * pr->scale, rh * pr->scale);
1246 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1247 rw * pr->scale, rh * pr->scale);
1249 g_object_unref(pixbuf);
1254 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1255 gint tile_width, gint tile_height, gint cache_size,
1256 PixbufRendererTileRequestFunc func_request,
1257 PixbufRendererTileDisposeFunc func_dispose,
1261 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1262 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1263 g_return_if_fail(width >= 32 && height > 32);
1264 g_return_if_fail(func_request != NULL);
1266 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1269 pr_source_tile_unset(pr);
1271 if (cache_size < 4) cache_size = 4;
1273 pr->source_tiles_enabled = TRUE;
1274 pr->source_tiles_cache_size = cache_size;
1275 pr->source_tile_width = tile_width;
1276 pr->source_tile_height = tile_height;
1278 pr->image_width = width;
1279 pr->image_height = height;
1281 pr->func_tile_request = func_request;
1282 pr->func_tile_dispose = func_dispose;
1283 pr->func_tile_data = user_data;
1285 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1286 pr_redraw(pr, TRUE);
1289 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1291 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1292 g_return_if_fail(width >= 32 && height > 32);
1294 if (!pr->source_tiles_enabled) return;
1295 if (pr->image_width == width && pr->image_height == height) return;
1297 pr->image_width = width;
1298 pr->image_height = height;
1300 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1303 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1305 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1307 return pr->source_tiles_enabled;
1310 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1311 PrZoomFlags flags, gint x, gint y)
1313 gdouble zoom = pr->zoom;
1315 if (increment == 0.0) return;
1319 if (pr->scale < 1.0)
1321 zoom = 0.0 - 1.0 / pr->scale;
1329 if (increment < 0.0)
1331 if (zoom >= 1.0 && zoom + increment < 1.0)
1333 zoom = zoom + increment - 2.0;
1337 zoom = zoom + increment;
1342 if (zoom <= -1.0 && zoom + increment > -1.0)
1344 zoom = zoom + increment + 2.0;
1348 zoom = zoom + increment;
1352 pr_zoom_sync(pr, zoom, flags, x, y);
1357 *-------------------------------------------------------------------
1359 *-------------------------------------------------------------------
1362 static void pr_update_signal(PixbufRenderer *pr)
1365 log_printf("FIXME: send updated signal\n");
1367 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1368 pr->debug_updated = TRUE;
1371 static void pr_zoom_signal(PixbufRenderer *pr)
1373 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1376 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1378 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1381 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1383 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1386 void pr_render_complete_signal(PixbufRenderer *pr)
1390 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1391 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1393 if (pr->debug_updated)
1395 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1396 pr->debug_updated = FALSE;
1400 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1402 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1405 static void pr_update_pixel_signal(PixbufRenderer *pr)
1407 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1411 *-------------------------------------------------------------------
1413 *-------------------------------------------------------------------
1417 void pr_tile_coords_map_orientation(gint orientation,
1418 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1419 gdouble image_w, gdouble image_h,
1420 gdouble tile_w, gdouble tile_h,
1421 gdouble *res_x, gdouble *res_y)
1425 switch (orientation)
1427 case EXIF_ORIENTATION_TOP_LEFT:
1428 /* normal -- nothing to do */
1430 case EXIF_ORIENTATION_TOP_RIGHT:
1432 *res_x = image_w - tile_x - tile_w;
1434 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1436 *res_x = image_w - tile_x - tile_w;
1437 *res_y = image_h - tile_y - tile_h;
1439 case EXIF_ORIENTATION_BOTTOM_LEFT:
1441 *res_y = image_h - tile_y - tile_h;
1443 case EXIF_ORIENTATION_LEFT_TOP:
1447 case EXIF_ORIENTATION_RIGHT_TOP:
1448 /* rotated -90 (270) */
1450 *res_y = image_w - tile_x - tile_w;
1452 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1453 *res_x = image_h - tile_y - tile_h;
1454 *res_y = image_w - tile_x - tile_w;
1456 case EXIF_ORIENTATION_LEFT_BOTTOM:
1458 *res_x = image_h - tile_y - tile_h;
1462 /* The other values are out of range */
1465 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1468 void pr_tile_region_map_orientation(gint orientation,
1469 gint area_x, gint area_y, /* coordinates of the area inside tile */
1470 gint tile_w, gint tile_h,
1471 gint area_w, gint area_h,
1472 gint *res_x, gint *res_y,
1473 gint *res_w, gint *res_h)
1480 switch (orientation)
1482 case EXIF_ORIENTATION_TOP_LEFT:
1483 /* normal -- nothing to do */
1485 case EXIF_ORIENTATION_TOP_RIGHT:
1487 *res_x = tile_w - area_x - area_w;
1489 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1491 *res_x = tile_w - area_x - area_w;
1492 *res_y = tile_h - area_y - area_h;
1494 case EXIF_ORIENTATION_BOTTOM_LEFT:
1496 *res_y = tile_h - area_y - area_h;
1498 case EXIF_ORIENTATION_LEFT_TOP:
1504 case EXIF_ORIENTATION_RIGHT_TOP:
1505 /* rotated -90 (270) */
1507 *res_y = tile_w - area_x - area_w;
1511 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1512 *res_x = tile_h - area_y - area_h;
1513 *res_y = tile_w - area_x - area_w;
1517 case EXIF_ORIENTATION_LEFT_BOTTOM:
1519 *res_x = tile_h - area_y - area_h;
1525 /* The other values are out of range */
1528 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1531 void pr_coords_map_orientation_reverse(gint orientation,
1532 gint area_x, gint area_y,
1533 gint tile_w, gint tile_h,
1534 gint area_w, gint area_h,
1535 gint *res_x, gint *res_y,
1536 gint *res_w, gint *res_h)
1543 switch (orientation)
1545 case EXIF_ORIENTATION_TOP_LEFT:
1546 /* normal -- nothing to do */
1548 case EXIF_ORIENTATION_TOP_RIGHT:
1550 *res_x = tile_w - area_x - area_w;
1552 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1554 *res_x = tile_w - area_x - area_w;
1555 *res_y = tile_h - area_y - area_h;
1557 case EXIF_ORIENTATION_BOTTOM_LEFT:
1559 *res_y = tile_h - area_y - area_h;
1561 case EXIF_ORIENTATION_LEFT_TOP:
1567 case EXIF_ORIENTATION_RIGHT_TOP:
1568 /* rotated -90 (270) */
1569 *res_x = tile_w - area_y - area_h;
1574 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1575 *res_x = tile_w - area_y - area_h;
1576 *res_y = tile_h - area_x - area_w;
1580 case EXIF_ORIENTATION_LEFT_BOTTOM:
1583 *res_y = tile_h - area_x - area_w;
1588 /* The other values are out of range */
1595 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1598 if (!pr->width || !pr->height) return;
1601 * Update norm_center only if the image is bigger than the window.
1602 * With this condition the stored center survives also a temporary display
1603 * of the "broken image" icon.
1606 if (pr->width > pr->viewport_width)
1608 src_x = pr->x_scroll + pr->vis_width / 2;
1609 pr->norm_center_x = (gdouble)src_x / pr->width;
1612 if (pr->height > pr->viewport_height)
1614 src_y = pr->y_scroll + pr->vis_height / 2;
1615 pr->norm_center_y = (gdouble)src_y / pr->height;
1620 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1625 if (pr->zoom == 0.0)
1633 old_xs = pr->x_scroll;
1634 old_ys = pr->y_scroll;
1636 if (pr->x_offset > 0)
1642 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1645 if (pr->y_offset > 0)
1651 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1654 pixbuf_renderer_sync_scroll_center(pr);
1656 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1659 static gboolean pr_size_clamp(PixbufRenderer *pr)
1661 gint old_vw, old_vh;
1663 old_vw = pr->vis_width;
1664 old_vh = pr->vis_height;
1666 if (pr->width < pr->viewport_width)
1668 pr->vis_width = pr->width;
1669 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1673 pr->vis_width = pr->viewport_width;
1677 if (pr->height < pr->viewport_height)
1679 pr->vis_height = pr->height;
1680 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1684 pr->vis_height = pr->viewport_height;
1688 pixbuf_renderer_sync_scroll_center(pr);
1690 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1693 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1694 PrZoomFlags flags, gboolean *redrawn)
1699 gboolean force = !!(flags & PR_ZOOM_FORCE);
1700 gboolean new = !!(flags & PR_ZOOM_NEW);
1701 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1702 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1704 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1706 if (pr->zoom == zoom && !force) return FALSE;
1708 w = pr->image_width;
1709 h = pr->image_height;
1711 if (zoom == 0.0 && !pr->pixbuf)
1715 else if (zoom == 0.0)
1721 sizeable = (new && pr_parent_window_sizable(pr));
1725 max_w = gdk_screen_width();
1726 max_h = gdk_screen_height();
1728 if (pr->window_limit)
1730 max_w = max_w * pr->window_limit_size / 100;
1731 max_h = max_h * pr->window_limit_size / 100;
1736 max_w = pr->viewport_width;
1737 max_h = pr->viewport_height;
1740 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1742 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1744 scale = (gdouble)max_h / h / pr->aspect_ratio;
1746 w = w * scale + 0.5;
1747 if (w > max_w) w = max_w;
1751 scale = (gdouble)max_w / w;
1753 h = h * scale * pr->aspect_ratio + 0.5;
1754 if (h > max_h) h = max_h;
1757 if (pr->autofit_limit)
1759 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1760 w = w * factor + 0.5;
1761 h = h * factor + 0.5;
1762 scale = scale * factor;
1773 else if (zoom > 0.0) /* zoom orig, in */
1777 h = h * scale * pr->aspect_ratio;
1781 scale = 1.0 / (0.0 - zoom);
1783 h = h * scale * pr->aspect_ratio;
1786 invalid = (pr->width != w || pr->height != h);
1793 if (invalidate || invalid)
1795 pr->renderer->invalidate_all(pr->renderer);
1796 if (pr->renderer2) pr->renderer2->invalidate_all(pr->renderer2);
1797 if (!lazy) pr_redraw(pr, TRUE);
1799 if (redrawn) *redrawn = (invalidate || invalid);
1801 pixbuf_renderer_sync_scroll_center(pr);
1806 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1807 PrZoomFlags flags, gint px, gint py)
1810 gint old_cx, old_cy;
1813 gboolean redrawn = FALSE;
1814 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1815 gboolean force = !!(flags & PR_ZOOM_FORCE);
1816 gboolean new = !!(flags & PR_ZOOM_NEW);
1817 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1818 PrZoomFlags clamp_flags = flags;
1819 gdouble old_center_x = pr->norm_center_x;
1820 gdouble old_center_y = pr->norm_center_y;
1822 old_scale = pr->scale;
1825 px = CLAMP(px, 0, pr->width);
1826 py = CLAMP(py, 0, pr->height);
1827 old_cx = pr->x_scroll + (px - pr->x_offset);
1828 old_cy = pr->y_scroll + (py - pr->y_offset);
1833 old_cx = pr->x_scroll + pr->vis_width / 2;
1834 old_cy = pr->y_scroll + pr->vis_height / 2;
1837 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1838 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1839 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1841 clamped = pr_size_clamp(pr);
1842 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1846 switch (pr->scroll_reset)
1848 case PR_SCROLL_RESET_NOCHANGE:
1849 /* maintain old scroll position */
1850 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1851 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1853 case PR_SCROLL_RESET_CENTER:
1854 /* center new image */
1855 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1856 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1858 case PR_SCROLL_RESET_TOPLEFT:
1860 /* reset to upper left */
1868 /* user zoom does not force, so keep visible center point */
1871 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1872 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1876 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1877 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1881 pr_scroll_clamp(pr);
1883 /* If the window was not sized, redraw the image - we know there will be no size/expose signal.
1884 * But even if a size is claimed, there is no guarantee that the window manager will allow it,
1885 * so redraw the window anyway :/
1887 if (sized || clamped) pr_border_clear(pr);
1891 pr->renderer->queue_clear(pr->renderer);
1892 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1896 pr_redraw(pr, redrawn);
1899 pr_scroll_notify_signal(pr);
1901 pr_update_signal(pr);
1904 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1906 gboolean zoom_changed = FALSE;
1908 gint new_viewport_width = new_width;
1909 gint new_viewport_height = new_height;
1911 if (!pr->stereo_temp_disable)
1913 if (pr->stereo_mode & PR_STEREO_HORIZ)
1915 new_viewport_width = new_width / 2;
1917 else if (pr->stereo_mode & PR_STEREO_VERT)
1919 new_viewport_height = new_height / 2;
1921 else if (pr->stereo_mode & PR_STEREO_FIXED)
1923 new_viewport_width = pr->stereo_fixed_width;
1924 new_viewport_height = pr->stereo_fixed_height;
1928 if (pr->window_width == new_width && pr->window_height == new_height &&
1929 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1931 pr->window_width = new_width;
1932 pr->window_height = new_height;
1933 pr->viewport_width = new_viewport_width;
1934 pr->viewport_height = new_viewport_height;
1936 if (pr->zoom == 0.0)
1938 gdouble old_scale = pr->scale;
1939 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1940 zoom_changed = (old_scale != pr->scale);
1944 pr_scroll_clamp(pr);
1946 pr->renderer->update_sizes(pr->renderer);
1947 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1949 /* ensure scroller remains visible */
1950 if (pr->scroller_overlay != -1)
1952 gboolean update = FALSE;
1954 if (pr->scroller_x > new_width)
1956 pr->scroller_x = new_width;
1957 pr->scroller_xpos = new_width;
1960 if (pr->scroller_y > new_height)
1962 pr->scroller_y = new_height;
1963 pr->scroller_ypos = new_height;
1971 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1975 w = gdk_pixbuf_get_width(pixbuf);
1976 h = gdk_pixbuf_get_height(pixbuf);
1977 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1978 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1983 pr_border_clear(pr);
1985 pr_scroll_notify_signal(pr);
1986 if (zoom_changed) pr_zoom_signal(pr);
1987 pr_update_signal(pr);
1990 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1992 PixbufRenderer *pr = data;
1994 pr_size_sync(pr, allocation->width, allocation->height);
1997 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area)
2001 pr->renderer->redraw(pr->renderer, area->x, area->y, area->width, area->height,
2002 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2005 pr->renderer2->redraw(pr->renderer2, area->x, area->y, area->width, area->height,
2006 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
2011 *-------------------------------------------------------------------
2013 *-------------------------------------------------------------------
2016 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
2021 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2023 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
2025 old_x = pr->x_scroll;
2026 old_y = pr->y_scroll;
2031 pr_scroll_clamp(pr);
2033 pixbuf_renderer_sync_scroll_center(pr);
2035 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
2037 pr_scroll_notify_signal(pr);
2039 x_off = pr->x_scroll - old_x;
2040 y_off = pr->y_scroll - old_y;
2042 pr->renderer->scroll(pr->renderer, x_off, y_off);
2043 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
2046 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
2047 gdouble x_align, gdouble y_align)
2052 x_align = CLAMP(x_align, 0.0, 1.0);
2053 y_align = CLAMP(y_align, 0.0, 1.0);
2055 ax = (gdouble)pr->vis_width * x_align;
2056 ay = (gdouble)pr->vis_height * y_align;
2058 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
2059 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
2061 pixbuf_renderer_scroll(pr, px, py);
2064 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
2066 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
2068 *x = pr->norm_center_x;
2069 *y = pr->norm_center_y;
2072 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
2074 gdouble dst_x, dst_y;
2076 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
2077 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
2079 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
2080 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
2082 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
2086 *-------------------------------------------------------------------
2088 *-------------------------------------------------------------------
2091 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2096 /* This is a hack, but work far the best, at least for single pointer systems.
2097 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
2099 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
2103 pr = PIXBUF_RENDERER(widget);
2105 if (pr->scroller_id)
2107 pr->scroller_xpos = bevent->x;
2108 pr->scroller_ypos = bevent->y;
2111 pr->x_mouse = bevent->x;
2112 pr->y_mouse = bevent->y;
2113 pr_update_pixel_signal(pr);
2115 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2117 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2123 widget_set_cursor(widget, GDK_FLEUR);
2126 if (bevent->state & GDK_CONTROL_MASK)
2128 accel = PR_PAN_SHIFT_MULTIPLIER;
2136 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2137 (pr->drag_last_y - bevent->y) * accel);
2139 pr_drag_signal(pr, bevent);
2141 pr->drag_last_x = bevent->x;
2142 pr->drag_last_y = bevent->y;
2144 /* This is recommended by the GTK+ documentation, but does not work properly.
2145 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2146 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2148 /* gdk_event_request_motions (bevent); */
2152 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2156 pr = PIXBUF_RENDERER(widget);
2160 pr_update_pixel_signal(pr);
2164 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2169 pr = PIXBUF_RENDERER(widget);
2171 if (pr->scroller_id) return TRUE;
2173 switch (bevent->button)
2175 case MOUSE_BUTTON_LEFT:
2177 pr->drag_last_x = bevent->x;
2178 pr->drag_last_y = bevent->y;
2180 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2181 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2182 NULL, NULL, bevent->time);
2183 gtk_grab_add(widget);
2185 case MOUSE_BUTTON_MIDDLE:
2188 case MOUSE_BUTTON_RIGHT:
2189 pr_clicked_signal(pr, bevent);
2195 parent = gtk_widget_get_parent(widget);
2196 #if GTK_CHECK_VERSION(2,20,0)
2197 if (widget && gtk_widget_get_can_focus(parent))
2199 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2202 gtk_widget_grab_focus(parent);
2208 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2212 pr = PIXBUF_RENDERER(widget);
2214 if (pr->scroller_id)
2216 pr_scroller_stop(pr);
2220 #if GTK_CHECK_VERSION(2,20,0)
2221 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2223 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2226 gtk_grab_remove(widget);
2227 gdk_pointer_ungrab(bevent->time);
2228 widget_set_cursor(widget, -1);
2231 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2233 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2235 pr_scroller_start(pr, bevent->x, bevent->y);
2237 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2239 pr_clicked_signal(pr, bevent);
2243 pr->in_drag = FALSE;
2248 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2252 pr = PIXBUF_RENDERER(widget);
2254 if (pr->scroller_id)
2256 pr->scroller_xpos = pr->scroller_x;
2257 pr->scroller_ypos = pr->scroller_y;
2258 pr->scroller_xinc = 0;
2259 pr->scroller_yinc = 0;
2265 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2269 pr = PIXBUF_RENDERER(widget);
2271 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2274 static void pr_signals_connect(PixbufRenderer *pr)
2276 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2277 G_CALLBACK(pr_mouse_motion_cb), pr);
2278 g_signal_connect(G_OBJECT(pr), "button_press_event",
2279 G_CALLBACK(pr_mouse_press_cb), pr);
2280 g_signal_connect(G_OBJECT(pr), "button_release_event",
2281 G_CALLBACK(pr_mouse_release_cb), pr);
2282 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2283 G_CALLBACK(pr_mouse_leave_cb), pr);
2284 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2285 G_CALLBACK(pr_leave_notify_cb), pr);
2287 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2288 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2289 GDK_LEAVE_NOTIFY_MASK);
2291 g_signal_connect(G_OBJECT(pr), "drag_begin",
2292 G_CALLBACK(pr_mouse_drag_cb), pr);
2297 *-------------------------------------------------------------------
2299 *-------------------------------------------------------------------
2302 #define COLOR_BYTES 3 /* rgb */
2303 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2306 guchar *s_pix, *d_pix;
2311 srs = gdk_pixbuf_get_rowstride(right);
2312 s_pix = gdk_pixbuf_get_pixels(right);
2313 spi = s_pix + (x * COLOR_BYTES);
2315 drs = gdk_pixbuf_get_rowstride(pixbuf);
2316 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2317 dpi = d_pix + x * COLOR_BYTES;
2319 for (i = y; i < y + h; i++)
2321 sp = spi + (i * srs);
2322 dp = dpi + (i * drs);
2323 for (j = 0; j < w; j++)
2325 *dp = *sp; /* copy red channel */
2332 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2335 guchar *s_pix, *d_pix;
2339 const double gc[3] = {0.299, 0.587, 0.114};
2341 srs = gdk_pixbuf_get_rowstride(right);
2342 s_pix = gdk_pixbuf_get_pixels(right);
2343 spi = s_pix + (x * COLOR_BYTES);
2345 drs = gdk_pixbuf_get_rowstride(pixbuf);
2346 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2347 dpi = d_pix + x * COLOR_BYTES;
2349 for (i = y; i < y + h; i++)
2351 sp = spi + (i * srs);
2352 dp = dpi + (i * drs);
2353 for (j = 0; j < w; j++)
2355 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2356 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2357 dp[0] = g2; /* red channel from sp */
2358 dp[1] = g1; /* green and blue from dp */
2366 const double pr_dubois_matrix[3][6] = {
2367 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2368 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2369 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2372 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2375 guchar *s_pix, *d_pix;
2380 srs = gdk_pixbuf_get_rowstride(right);
2381 s_pix = gdk_pixbuf_get_pixels(right);
2382 spi = s_pix + (x * COLOR_BYTES);
2384 drs = gdk_pixbuf_get_rowstride(pixbuf);
2385 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2386 dpi = d_pix + x * COLOR_BYTES;
2388 for (i = y; i < y + h; i++)
2390 sp = spi + (i * srs);
2391 dp = dpi + (i * drs);
2392 for (j = 0; j < w; j++)
2395 for (k = 0; k < 3; k++)
2397 double *m = pr_dubois_matrix[k];
2398 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];
2399 if (res[k] < 0.0) res[k] = 0;
2400 if (res[k] > 255.0) res[k] = 255.0;
2411 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2413 if (mode & PR_STEREO_ANAGLYPH_RC)
2414 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2415 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2416 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2417 else if (mode & PR_STEREO_ANAGLYPH_DB)
2418 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2422 *-------------------------------------------------------------------
2424 *-------------------------------------------------------------------
2426 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2428 pr->stereo_pixbuf_offset_left = 0;
2429 pr->stereo_pixbuf_offset_right = 0;
2430 if (!pr->pixbuf) return;
2431 switch (pr->orientation)
2433 case EXIF_ORIENTATION_LEFT_TOP:
2434 case EXIF_ORIENTATION_RIGHT_TOP:
2435 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2436 case EXIF_ORIENTATION_LEFT_BOTTOM:
2437 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2438 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2439 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2441 pr->image_height /= 2;
2442 pr->stereo_pixbuf_offset_right = pr->image_height;
2444 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2446 pr->image_height /= 2;
2447 pr->stereo_pixbuf_offset_left = pr->image_height;
2452 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2453 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2454 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2456 pr->image_width /= 2;
2457 pr->stereo_pixbuf_offset_right = pr->image_width;
2459 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2461 pr->image_width /= 2;
2462 pr->stereo_pixbuf_offset_left = pr->image_width;
2467 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2469 if (pixbuf) g_object_ref(pixbuf);
2470 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2471 pr->pixbuf = pixbuf;
2477 /* no pixbuf so just clear the window */
2478 pr->image_width = 0;
2479 pr->image_height = 0;
2481 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2482 and used for pixbuf_renderer_zoom_get */
2484 box = GTK_WIDGET(pr);
2486 #if GTK_CHECK_VERSION(2,20,0)
2487 if (gtk_widget_get_realized(box))
2489 if (GTK_WIDGET_REALIZED(box))
2492 #if !GTK_CHECK_VERSION(3,0,0)
2493 gdk_window_clear(gtk_widget_get_window(box));
2495 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2496 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2499 pr_update_signal(pr);
2504 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2506 gint disable = !pr->pixbuf || ! pr->stereo_data;
2507 pr_stereo_temp_disable(pr, disable);
2510 pr_pixbuf_size_sync(pr);
2511 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2514 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2516 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2518 pr_source_tile_unset(pr);
2520 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2522 pr_update_signal(pr);
2525 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2527 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2529 pr_source_tile_unset(pr);
2531 pr->orientation = orientation;
2532 pr->stereo_data = stereo_data;
2533 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2535 pr_update_signal(pr);
2538 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2540 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2545 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2547 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2549 pr->orientation = orientation;
2551 pr_pixbuf_size_sync(pr);
2552 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2555 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2558 return pr->orientation;
2561 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2563 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2565 pr->stereo_data = stereo_data;
2567 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2569 gint disable = !pr->pixbuf || ! pr->stereo_data;
2570 pr_stereo_temp_disable(pr, disable);
2572 pr_pixbuf_size_sync(pr);
2573 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2576 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2578 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2580 pr->func_post_process = func;
2581 pr->post_process_user_data = user_data;
2582 pr->post_process_slow = func && slow;
2587 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2590 PixbufRendererScrollResetType scroll_reset;
2592 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2593 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2595 if (pr == source) return;
2597 object = G_OBJECT(pr);
2599 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2600 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2601 g_object_set(object, "loading", source->loading, NULL);
2603 pr->complete = source->complete;
2605 pr->x_scroll = source->x_scroll;
2606 pr->y_scroll = source->y_scroll;
2607 pr->x_mouse = source->x_mouse;
2608 pr->y_mouse = source->y_mouse;
2610 scroll_reset = pr->scroll_reset;
2611 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2613 pr->func_post_process = source->func_post_process;
2614 pr->post_process_user_data = source->post_process_user_data;
2615 pr->post_process_slow = source->post_process_slow;
2616 pr->orientation = source->orientation;
2617 pr->stereo_data = source->stereo_data;
2619 if (source->source_tiles_enabled)
2621 pr_source_tile_unset(pr);
2623 pr->source_tiles_enabled = source->source_tiles_enabled;
2624 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2625 pr->source_tile_width = source->source_tile_width;
2626 pr->source_tile_height = source->source_tile_height;
2627 pr->image_width = source->image_width;
2628 pr->image_height = source->image_height;
2630 pr->func_tile_request = source->func_tile_request;
2631 pr->func_tile_dispose = source->func_tile_dispose;
2632 pr->func_tile_data = source->func_tile_data;
2634 pr->source_tiles = source->source_tiles;
2635 source->source_tiles = NULL;
2637 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2638 pr_redraw(pr, TRUE);
2642 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2645 pr->scroll_reset = scroll_reset;
2647 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2648 // pr_queue_clear(source);
2649 // pr_tile_free_all(source);
2652 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2654 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2656 if (pr->source_tiles_enabled)
2658 pr_source_tile_changed(pr, x, y, w, h);
2661 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2662 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2665 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2667 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2669 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2672 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2674 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2676 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2679 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2681 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2683 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2686 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2688 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2693 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2695 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2700 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2702 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2704 if (min > 1.0 || max < 1.0) return;
2705 if (min < 1.0 && min > -1.0) return;
2706 if (min < -200.0 || max > 200.0) return;
2708 if (pr->zoom_min != min)
2711 g_object_notify(G_OBJECT(pr), "zoom_min");
2713 if (pr->zoom_max != max)
2716 g_object_notify(G_OBJECT(pr), "zoom_max");
2720 static void pr_stereo_set(PixbufRenderer *pr)
2722 if (!pr->renderer) pr->renderer = (void *)renderer_tiles_new(pr);
2724 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2726 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2728 if (!pr->renderer2) pr->renderer2 = (void *)renderer_tiles_new(pr);
2729 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2733 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2734 pr->renderer2 = NULL;
2736 if (pr->stereo_mode & PR_STEREO_HALF)
2738 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2739 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2740 else pr->aspect_ratio = 1.0;
2744 pr->aspect_ratio = 1.0;
2748 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2750 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2751 pr->stereo_mode = stereo_mode;
2752 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2754 pr->stereo_temp_disable = FALSE;
2760 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2761 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2765 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2767 pr->stereo_fixed_width = width;
2768 pr->stereo_fixed_height = height;
2769 pr->stereo_fixed_x_left = x1;
2770 pr->stereo_fixed_y_left = y1;
2771 pr->stereo_fixed_x_right = x2;
2772 pr->stereo_fixed_y_right = y2;
2775 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2777 return pr->stereo_mode;
2780 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2782 if (pr->stereo_temp_disable == disable) return;
2783 pr->stereo_temp_disable = disable;
2786 if (!pr->renderer) pr->renderer = (void *)renderer_tiles_new(pr);
2787 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2788 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2789 pr->renderer2 = NULL;
2790 pr->aspect_ratio = 1.0;
2796 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2799 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2800 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2802 GdkPixbuf *pb = pr->pixbuf;
2805 gint map_x, map_y, map_w, map_h;
2807 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2808 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2810 if (!pr->pixbuf && !pr->source_tiles_enabled)
2818 if (!pb) return FALSE;
2820 pr_tile_region_map_orientation(pr->orientation,
2822 pr->image_width, pr->image_height,
2823 1, 1, /*single pixel */
2827 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2828 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2830 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2831 prs = gdk_pixbuf_get_rowstride(pb);
2832 p_pix = gdk_pixbuf_get_pixels(pb);
2834 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2844 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2846 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2848 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2849 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2851 if (!pr->pixbuf && !pr->source_tiles_enabled)
2853 *x_pixel_return = -1;
2854 *y_pixel_return = -1;
2858 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2859 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2860 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2861 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2863 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2865 /* mouse is not on pr */
2866 x_pixel = y_pixel = -1;
2869 *x_pixel_return = x_pixel;
2870 *y_pixel_return = y_pixel;
2875 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2877 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2878 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2880 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2887 *width = pr->image_width;
2888 *height = pr->image_height;
2892 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2894 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2895 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2897 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2905 *height = pr->height;
2909 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2911 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2912 g_return_val_if_fail(rect != NULL, FALSE);
2914 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2924 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2925 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2926 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2927 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2931 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2933 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2934 g_return_val_if_fail(rect != NULL, FALSE);
2936 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2945 rect->x = pr->x_scroll;
2946 rect->y = pr->y_scroll;
2947 rect->width = pr->vis_width;
2948 rect->height = pr->vis_height;
2952 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2957 zoom = pixbuf_renderer_zoom_get(pr);
2958 pr->image_width = width;
2959 pr->image_height = height;
2961 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2966 //pr->width = width;
2967 //pr->height = height;
2970 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */