4 * Copyright (C) 2008 - 2010 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 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event);
126 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
129 static void pr_source_tile_free_all(PixbufRenderer *pr);
131 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
132 PrZoomFlags flags, gint px, gint py);
134 static void pr_signals_connect(PixbufRenderer *pr);
135 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
136 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area);
140 *-------------------------------------------------------------------
141 * Pixbuf Renderer object
142 *-------------------------------------------------------------------
145 GType pixbuf_renderer_get_type(void)
147 static GType pixbuf_renderer_type = 0;
149 if (!pixbuf_renderer_type)
151 static const GTypeInfo pixbuf_renderer_info =
153 sizeof(PixbufRendererClass), /* class_size */
154 NULL, /* base_init */
155 NULL, /* base_finalize */
156 (GClassInitFunc)pixbuf_renderer_class_init,
157 NULL, /* class_finalize */
158 NULL, /* class_data */
159 sizeof(PixbufRenderer), /* instance_size */
161 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
162 NULL, /* value_table */
165 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
166 &pixbuf_renderer_info, 0);
169 return pixbuf_renderer_type;
172 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
174 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
175 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(class);
177 parent_class = g_type_class_peek_parent(class);
179 gobject_class->set_property = pixbuf_renderer_set_property;
180 gobject_class->get_property = pixbuf_renderer_get_property;
182 gobject_class->finalize = pixbuf_renderer_finalize;
184 widget_class->expose_event = pixbuf_renderer_expose;
186 g_object_class_install_property(gobject_class,
188 g_param_spec_double("zoom_min",
194 G_PARAM_READABLE | G_PARAM_WRITABLE));
196 g_object_class_install_property(gobject_class,
198 g_param_spec_double("zoom_max",
204 G_PARAM_READABLE | G_PARAM_WRITABLE));
206 g_object_class_install_property(gobject_class,
208 g_param_spec_uint("zoom_quality",
214 G_PARAM_READABLE | G_PARAM_WRITABLE));
216 g_object_class_install_property(gobject_class,
218 g_param_spec_boolean("zoom_2pass",
222 G_PARAM_READABLE | G_PARAM_WRITABLE));
224 g_object_class_install_property(gobject_class,
226 g_param_spec_boolean("zoom_expand",
227 "Expand image in autozoom.",
230 G_PARAM_READABLE | G_PARAM_WRITABLE));
232 g_object_class_install_property(gobject_class,
234 g_param_spec_uint("dither_quality",
239 GDK_RGB_DITHER_NORMAL,
240 G_PARAM_READABLE | G_PARAM_WRITABLE));
242 g_object_class_install_property(gobject_class,
244 g_param_spec_uint("scroll_reset",
245 "New image scroll reset",
247 PR_SCROLL_RESET_TOPLEFT,
248 PR_SCROLL_RESET_NOCHANGE,
249 PR_SCROLL_RESET_TOPLEFT,
250 G_PARAM_READABLE | G_PARAM_WRITABLE));
252 g_object_class_install_property(gobject_class,
254 g_param_spec_boolean("delay_flip",
255 "Delay image update",
258 G_PARAM_READABLE | G_PARAM_WRITABLE));
260 g_object_class_install_property(gobject_class,
262 g_param_spec_boolean("loading",
263 "Image actively loading",
266 G_PARAM_READABLE | G_PARAM_WRITABLE));
268 g_object_class_install_property(gobject_class,
270 g_param_spec_boolean("complete",
271 "Image rendering complete",
274 G_PARAM_READABLE | G_PARAM_WRITABLE));
276 g_object_class_install_property(gobject_class,
277 PROP_CACHE_SIZE_DISPLAY,
278 g_param_spec_uint("cache_display",
279 "Display cache size MB",
283 PR_CACHE_SIZE_DEFAULT,
284 G_PARAM_READABLE | G_PARAM_WRITABLE));
286 g_object_class_install_property(gobject_class,
287 PROP_CACHE_SIZE_TILES,
288 g_param_spec_uint("cache_tiles",
290 "Number of tiles to retain in memory at any one time.",
293 PR_CACHE_SIZE_DEFAULT,
294 G_PARAM_READABLE | G_PARAM_WRITABLE));
296 g_object_class_install_property(gobject_class,
298 g_param_spec_boolean("window_fit",
299 "Fit window to image size",
302 G_PARAM_READABLE | G_PARAM_WRITABLE));
304 g_object_class_install_property(gobject_class,
306 g_param_spec_boolean("window_limit",
307 "Limit size of parent window",
310 G_PARAM_READABLE | G_PARAM_WRITABLE));
312 g_object_class_install_property(gobject_class,
313 PROP_WINDOW_LIMIT_VALUE,
314 g_param_spec_uint("window_limit_value",
315 "Size limit of parent window",
320 G_PARAM_READABLE | G_PARAM_WRITABLE));
322 g_object_class_install_property(gobject_class,
324 g_param_spec_boolean("autofit_limit",
325 "Limit size of image when autofitting",
328 G_PARAM_READABLE | G_PARAM_WRITABLE));
330 g_object_class_install_property(gobject_class,
331 PROP_AUTOFIT_LIMIT_VALUE,
332 g_param_spec_uint("autofit_limit_value",
333 "Size limit of image when autofitting",
338 G_PARAM_READABLE | G_PARAM_WRITABLE));
341 signals[SIGNAL_ZOOM] =
343 G_OBJECT_CLASS_TYPE(gobject_class),
345 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
347 g_cclosure_marshal_VOID__DOUBLE,
351 signals[SIGNAL_CLICKED] =
352 g_signal_new("clicked",
353 G_OBJECT_CLASS_TYPE(gobject_class),
355 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
357 g_cclosure_marshal_VOID__BOXED,
361 signals[SIGNAL_SCROLL_NOTIFY] =
362 g_signal_new("scroll-notify",
363 G_OBJECT_CLASS_TYPE(gobject_class),
365 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
367 g_cclosure_marshal_VOID__VOID,
370 signals[SIGNAL_RENDER_COMPLETE] =
371 g_signal_new("render-complete",
372 G_OBJECT_CLASS_TYPE(gobject_class),
374 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
376 g_cclosure_marshal_VOID__VOID,
379 signals[SIGNAL_DRAG] =
381 G_OBJECT_CLASS_TYPE(gobject_class),
383 G_STRUCT_OFFSET(PixbufRendererClass, drag),
385 g_cclosure_marshal_VOID__BOXED,
389 signals[SIGNAL_UPDATE_PIXEL] =
390 g_signal_new("update-pixel",
391 G_OBJECT_CLASS_TYPE(gobject_class),
393 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
395 g_cclosure_marshal_VOID__VOID,
399 static void pixbuf_renderer_init(PixbufRenderer *pr)
403 box = GTK_WIDGET(pr);
405 pr->zoom_min = PR_ZOOM_MIN;
406 pr->zoom_max = PR_ZOOM_MAX;
407 pr->zoom_quality = GDK_INTERP_BILINEAR;
408 pr->zoom_2pass = FALSE;
412 pr->aspect_ratio = 1.0;
414 pr->dither_quality = GDK_RGB_DITHER_NORMAL;
416 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
419 pr->scroller_overlay = -1;
424 pr->source_tiles_enabled = FALSE;
425 pr->source_tiles = NULL;
429 pr->norm_center_x = 0.5;
430 pr->norm_center_y = 0.5;
432 pr->stereo_mode = PR_STEREO_NONE;
434 pr->renderer = (void *)renderer_tiles_new(pr);
436 pr->renderer2 = NULL;
438 gtk_widget_set_double_buffered(box, FALSE);
439 g_signal_connect_after(G_OBJECT(box), "size_allocate",
440 G_CALLBACK(pr_size_cb), pr);
442 pr_signals_connect(pr);
445 static void pixbuf_renderer_finalize(GObject *object)
449 pr = PIXBUF_RENDERER(object);
451 pr->renderer->free(pr->renderer);
452 if (pr->renderer2) pr->renderer->free(pr->renderer2);
455 if (pr->pixbuf) g_object_unref(pr->pixbuf);
457 pr_scroller_timer_set(pr, FALSE);
459 pr_source_tile_free_all(pr);
462 PixbufRenderer *pixbuf_renderer_new(void)
464 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
467 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
468 const GValue *value, GParamSpec *pspec)
472 pr = PIXBUF_RENDERER(object);
477 pr->zoom_min = g_value_get_double(value);
480 pr->zoom_max = g_value_get_double(value);
482 case PROP_ZOOM_QUALITY:
483 pr->zoom_quality = g_value_get_uint(value);
485 case PROP_ZOOM_2PASS:
486 pr->zoom_2pass = g_value_get_boolean(value);
488 case PROP_ZOOM_EXPAND:
489 pr->zoom_expand = g_value_get_boolean(value);
491 case PROP_DITHER_QUALITY:
492 pr->dither_quality = g_value_get_uint(value);
494 case PROP_SCROLL_RESET:
495 pr->scroll_reset = g_value_get_uint(value);
497 case PROP_DELAY_FLIP:
498 pr->delay_flip = g_value_get_boolean(value);
501 pr->loading = g_value_get_boolean(value);
504 pr->complete = g_value_get_boolean(value);
506 case PROP_CACHE_SIZE_DISPLAY:
507 // pr->tile_cache_max = g_value_get_uint(value);
509 case PROP_CACHE_SIZE_TILES:
510 pr->source_tiles_cache_size = g_value_get_uint(value);
512 case PROP_WINDOW_FIT:
513 pr->window_fit = g_value_get_boolean(value);
515 case PROP_WINDOW_LIMIT:
516 pr->window_limit = g_value_get_boolean(value);
518 case PROP_WINDOW_LIMIT_VALUE:
519 pr->window_limit_size = g_value_get_uint(value);
521 case PROP_AUTOFIT_LIMIT:
522 pr->autofit_limit = g_value_get_boolean(value);
524 case PROP_AUTOFIT_LIMIT_VALUE:
525 pr->autofit_limit_size = g_value_get_uint(value);
528 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
533 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
534 GValue *value, GParamSpec *pspec)
538 pr = PIXBUF_RENDERER(object);
543 g_value_set_double(value, pr->zoom_min);
546 g_value_set_double(value, pr->zoom_max);
548 case PROP_ZOOM_QUALITY:
549 g_value_set_uint(value, pr->zoom_quality);
551 case PROP_ZOOM_2PASS:
552 g_value_set_boolean(value, pr->zoom_2pass);
554 case PROP_ZOOM_EXPAND:
555 g_value_set_boolean(value, pr->zoom_expand);
557 case PROP_DITHER_QUALITY:
558 g_value_set_uint(value, pr->dither_quality);
560 case PROP_SCROLL_RESET:
561 g_value_set_uint(value, pr->scroll_reset);
563 case PROP_DELAY_FLIP:
564 g_value_set_boolean(value, pr->delay_flip);
567 g_value_set_boolean(value, pr->loading);
570 g_value_set_boolean(value, pr->complete);
572 case PROP_CACHE_SIZE_DISPLAY:
573 // g_value_set_uint(value, pr->tile_cache_max);
575 case PROP_CACHE_SIZE_TILES:
576 g_value_set_uint(value, pr->source_tiles_cache_size);
578 case PROP_WINDOW_FIT:
579 g_value_set_boolean(value, pr->window_fit);
581 case PROP_WINDOW_LIMIT:
582 g_value_set_boolean(value, pr->window_limit);
584 case PROP_WINDOW_LIMIT_VALUE:
585 g_value_set_uint(value, pr->window_limit_size);
587 case PROP_AUTOFIT_LIMIT:
588 g_value_set_boolean(value, pr->autofit_limit);
590 case PROP_AUTOFIT_LIMIT_VALUE:
591 g_value_set_uint(value, pr->autofit_limit_size);
594 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
599 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event)
601 #if GTK_CHECK_VERSION(2,20,0)
602 if (gtk_widget_is_drawable(widget))
604 if (GTK_WIDGET_DRAWABLE(widget))
607 #if GTK_CHECK_VERSION(2,20,0)
608 if (gtk_widget_get_has_window(widget))
610 if (!GTK_WIDGET_NO_WINDOW(widget))
613 if (event->window != widget->window)
617 gdk_window_get_position(event->window, &area.x, &area.y);
619 area.x += event->area.x;
620 area.y += event->area.y;
621 area.width = event->area.width;
622 area.height = event->area.height;
623 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
627 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &event->area);
636 *-------------------------------------------------------------------
638 *-------------------------------------------------------------------
641 static void widget_set_cursor(GtkWidget *widget, gint icon)
645 if (!widget->window) return;
653 cursor = gdk_cursor_new(icon);
656 gdk_window_set_cursor(widget->window, cursor);
658 if (cursor) gdk_cursor_unref(cursor);
661 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
662 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
663 gint *rx, gint *ry, gint *rw, gint *rh)
665 if (clip_x + clip_w <= x ||
667 clip_y + clip_h <= y ||
673 *rx = MAX(x, clip_x);
674 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
676 *ry = MAX(y, clip_y);
677 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
682 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
684 GdkWindowState state;
686 if (!pr->parent_window) return FALSE;
687 if (!pr->window_fit) return FALSE;
688 if (!GTK_WIDGET(pr)->window) return FALSE;
690 if (!pr->parent_window->window) return FALSE;
691 state = gdk_window_get_state(pr->parent_window->window);
692 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
697 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
703 if (!pr_parent_window_sizable(pr)) return FALSE;
705 if (pr->window_limit)
707 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
708 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
714 widget = GTK_WIDGET(pr);
715 parent = GTK_WIDGET(pr->parent_window);
717 w += (parent->allocation.width - widget->allocation.width);
718 h += (parent->allocation.height - widget->allocation.height);
720 gdk_drawable_get_size(parent->window, &ww, &wh);
721 if (w == ww && h == wh) return FALSE;
723 gdk_window_resize(parent->window, w, h);
728 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
730 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
731 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
733 pr->parent_window = GTK_WIDGET(window);
736 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
738 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
740 return GTK_WINDOW(pr->parent_window);
745 *-------------------------------------------------------------------
747 *-------------------------------------------------------------------
751 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
752 OverlayRendererFlags flags)
754 /* let's assume both renderers returns the same value */
755 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
756 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
759 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
761 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
762 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
765 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
767 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
768 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
771 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
773 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
774 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
778 *-------------------------------------------------------------------
780 *-------------------------------------------------------------------
784 static gboolean pr_scroller_update_cb(gpointer data)
786 PixbufRenderer *pr = data;
790 /* this was a simple scroll by difference between scroller and mouse position,
791 * but all this math results in a smoother result and accounts for a dead zone.
794 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
800 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
801 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
802 x += (x > 0) ? -shift : shift;
805 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
811 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
812 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
813 y += (y > 0) ? -shift : shift;
816 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
822 xinc = pr->scroller_xinc;
826 if (xinc < 0) xinc = 0;
827 if (x < xinc) xinc = x;
828 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
832 if (xinc > 0) xinc = 0;
833 if (x > xinc) xinc = x;
834 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
838 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
844 yinc = pr->scroller_yinc;
848 if (yinc < 0) yinc = 0;
849 if (y < yinc) yinc = y;
850 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
854 if (yinc > 0) yinc = 0;
855 if (y > yinc) yinc = y;
856 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
860 pr->scroller_xinc = xinc;
861 pr->scroller_yinc = yinc;
863 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
864 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
866 pixbuf_renderer_scroll(pr, xinc, yinc);
871 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
875 g_source_remove(pr->scroller_id);
881 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
882 pr_scroller_update_cb, pr);
886 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
888 if (pr->scroller_overlay == -1)
894 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
896 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
897 gdk_pixbuf_fill(pixbuf, 0x000000ff);
899 w = gdk_pixbuf_get_width(pixbuf);
900 h = gdk_pixbuf_get_height(pixbuf);
902 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
903 g_object_unref(pixbuf);
908 pr->scroller_xpos = x;
909 pr->scroller_ypos = y;
911 pr_scroller_timer_set(pr, TRUE);
914 static void pr_scroller_stop(PixbufRenderer *pr)
916 if (!pr->scroller_id) return;
918 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
919 pr->scroller_overlay = -1;
921 pr_scroller_timer_set(pr, FALSE);
925 *-------------------------------------------------------------------
927 *-------------------------------------------------------------------
930 static void pr_border_clear(PixbufRenderer *pr)
932 pr->renderer->border_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
933 if (pr->renderer2) pr->renderer2->border_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
936 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
941 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
943 widget = GTK_WIDGET(pr);
948 style = gtk_style_copy(gtk_widget_get_style(widget));
949 slot = &style->bg[GTK_STATE_NORMAL];
951 slot->red = color->red;
952 slot->green = color->green;
953 slot->blue = color->blue;
956 style = gtk_style_copy(gtk_widget_get_default_style());
959 gtk_widget_set_style(widget, style);
961 #if GTK_CHECK_VERSION(2,20,0)
962 if (gtk_widget_get_visible(widget)) pr_border_clear(pr);
964 if (GTK_WIDGET_VISIBLE(widget)) pr_border_clear(pr);
968 static void pr_redraw(PixbufRenderer *pr, gboolean new_data)
970 pr->renderer->queue_clear(pr->renderer);
971 pr->renderer->queue(pr->renderer, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
973 pr->renderer2->queue_clear(pr->renderer2);
974 pr->renderer2->queue(pr->renderer2, 0, 0, pr->width, pr->height, TRUE, TILE_RENDER_ALL, new_data, FALSE);
979 *-------------------------------------------------------------------
981 *-------------------------------------------------------------------
984 static void pr_source_tile_free(SourceTile *st)
988 if (st->pixbuf) g_object_unref(st->pixbuf);
992 static void pr_source_tile_free_all(PixbufRenderer *pr)
996 work = pr->source_tiles;
1004 pr_source_tile_free(st);
1007 g_list_free(pr->source_tiles);
1008 pr->source_tiles = NULL;
1011 static void pr_source_tile_unset(PixbufRenderer *pr)
1013 pr_source_tile_free_all(pr);
1014 pr->source_tiles_enabled = FALSE;
1017 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
1019 gint x1, y1, x2, y2;
1021 if (!st) return FALSE;
1023 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
1024 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
1025 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
1026 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
1029 x2 = pr->x_scroll + pr->vis_width;
1030 y2 = pr->y_scroll + pr->vis_height;
1032 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
1033 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
1034 (gdouble)st->y * pr->scale > (gdouble)y2 ||
1035 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1038 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1040 SourceTile *st = NULL;
1043 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1045 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1047 count = g_list_length(pr->source_tiles);
1048 if (count >= pr->source_tiles_cache_size)
1052 work = g_list_last(pr->source_tiles);
1053 while (work && count >= pr->source_tiles_cache_size)
1057 needle = work->data;
1060 if (!pr_source_tile_visible(pr, needle))
1062 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1064 if (pr->func_tile_dispose)
1066 pr->func_tile_dispose(pr, needle->x, needle->y,
1067 pr->source_tile_width, pr->source_tile_height,
1068 needle->pixbuf, pr->func_tile_data);
1077 pr_source_tile_free(needle);
1087 st = g_new0(SourceTile, 1);
1088 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1089 pr->source_tile_width, pr->source_tile_height);
1092 st->x = ROUND_DOWN(x, pr->source_tile_width);
1093 st->y = ROUND_DOWN(y, pr->source_tile_height);
1096 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1101 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1105 st = pr_source_tile_new(pr, x, y);
1106 if (!st) return NULL;
1108 if (pr->func_tile_request &&
1109 pr->func_tile_request(pr, st->x, st->y,
1110 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1115 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1116 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1117 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1118 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1122 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1126 work = pr->source_tiles;
1129 SourceTile *st = work->data;
1131 if (x >= st->x && x < st->x + pr->source_tile_width &&
1132 y >= st->y && y < st->y + pr->source_tile_height)
1134 if (work != pr->source_tiles)
1136 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1137 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1148 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1156 if (w > pr->image_width) w = pr->image_width;
1157 if (h > pr->image_height) h = pr->image_height;
1159 sx = ROUND_DOWN(x, pr->source_tile_width);
1160 sy = ROUND_DOWN(y, pr->source_tile_height);
1162 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1164 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1168 st = pr_source_tile_find(pr, x1, y1);
1169 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1171 if (st) list = g_list_prepend(list, st);
1175 return g_list_reverse(list);
1178 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1182 if (width < 1 || height < 1) return;
1184 work = pr->source_tiles;
1188 gint rx, ry, rw, rh;
1193 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1194 x, y, width, height,
1195 &rx, &ry, &rw, &rh))
1199 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1200 if (pr->func_tile_request &&
1201 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1203 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1204 rw * pr->scale, rh * pr->scale);
1205 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1206 rw * pr->scale, rh * pr->scale);
1208 g_object_unref(pixbuf);
1213 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1214 gint tile_width, gint tile_height, gint cache_size,
1215 PixbufRendererTileRequestFunc func_request,
1216 PixbufRendererTileDisposeFunc func_dispose,
1220 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1221 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1222 g_return_if_fail(width >= 32 && height > 32);
1223 g_return_if_fail(func_request != NULL);
1225 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1228 pr_source_tile_unset(pr);
1230 if (cache_size < 4) cache_size = 4;
1232 pr->source_tiles_enabled = TRUE;
1233 pr->source_tiles_cache_size = cache_size;
1234 pr->source_tile_width = tile_width;
1235 pr->source_tile_height = tile_height;
1237 pr->image_width = width;
1238 pr->image_height = height;
1240 pr->func_tile_request = func_request;
1241 pr->func_tile_dispose = func_dispose;
1242 pr->func_tile_data = user_data;
1244 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1245 pr_redraw(pr, TRUE);
1248 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1250 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1251 g_return_if_fail(width >= 32 && height > 32);
1253 if (!pr->source_tiles_enabled) return;
1254 if (pr->image_width == width && pr->image_height == height) return;
1256 pr->image_width = width;
1257 pr->image_height = height;
1259 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1262 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1264 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1266 return pr->source_tiles_enabled;
1269 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1270 PrZoomFlags flags, gint x, gint y)
1272 gdouble zoom = pr->zoom;
1274 if (increment == 0.0) return;
1278 if (pr->scale < 1.0)
1280 zoom = 0.0 - 1.0 / pr->scale;
1288 if (increment < 0.0)
1290 if (zoom >= 1.0 && zoom + increment < 1.0)
1292 zoom = zoom + increment - 2.0;
1296 zoom = zoom + increment;
1301 if (zoom <= -1.0 && zoom + increment > -1.0)
1303 zoom = zoom + increment + 2.0;
1307 zoom = zoom + increment;
1311 pr_zoom_sync(pr, zoom, flags, x, y);
1316 *-------------------------------------------------------------------
1318 *-------------------------------------------------------------------
1321 static void pr_update_signal(PixbufRenderer *pr)
1324 log_printf("FIXME: send updated signal\n");
1326 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1327 pr->debug_updated = TRUE;
1330 static void pr_zoom_signal(PixbufRenderer *pr)
1332 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1335 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1337 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1340 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1342 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1345 void pr_render_complete_signal(PixbufRenderer *pr)
1349 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1350 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1352 if (pr->debug_updated)
1354 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1355 pr->debug_updated = FALSE;
1359 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1361 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1364 static void pr_update_pixel_signal(PixbufRenderer *pr)
1366 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1370 *-------------------------------------------------------------------
1372 *-------------------------------------------------------------------
1376 void pr_tile_coords_map_orientation(gint orientation,
1377 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1378 gdouble image_w, gdouble image_h,
1379 gdouble tile_w, gdouble tile_h,
1380 gdouble *res_x, gdouble *res_y)
1384 switch (orientation)
1386 case EXIF_ORIENTATION_TOP_LEFT:
1387 /* normal -- nothing to do */
1389 case EXIF_ORIENTATION_TOP_RIGHT:
1391 *res_x = image_w - tile_x - tile_w;
1393 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1395 *res_x = image_w - tile_x - tile_w;
1396 *res_y = image_h - tile_y - tile_h;
1398 case EXIF_ORIENTATION_BOTTOM_LEFT:
1400 *res_y = image_h - tile_y - tile_h;
1402 case EXIF_ORIENTATION_LEFT_TOP:
1406 case EXIF_ORIENTATION_RIGHT_TOP:
1407 /* rotated -90 (270) */
1409 *res_y = image_w - tile_x - tile_w;
1411 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1412 *res_x = image_h - tile_y - tile_h;
1413 *res_y = image_w - tile_x - tile_w;
1415 case EXIF_ORIENTATION_LEFT_BOTTOM:
1417 *res_x = image_h - tile_y - tile_h;
1421 /* The other values are out of range */
1424 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1427 void pr_tile_region_map_orientation(gint orientation,
1428 gint area_x, gint area_y, /* coordinates of the area inside tile */
1429 gint tile_w, gint tile_h,
1430 gint area_w, gint area_h,
1431 gint *res_x, gint *res_y,
1432 gint *res_w, gint *res_h)
1439 switch (orientation)
1441 case EXIF_ORIENTATION_TOP_LEFT:
1442 /* normal -- nothing to do */
1444 case EXIF_ORIENTATION_TOP_RIGHT:
1446 *res_x = tile_w - area_x - area_w;
1448 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1450 *res_x = tile_w - area_x - area_w;
1451 *res_y = tile_h - area_y - area_h;
1453 case EXIF_ORIENTATION_BOTTOM_LEFT:
1455 *res_y = tile_h - area_y - area_h;
1457 case EXIF_ORIENTATION_LEFT_TOP:
1463 case EXIF_ORIENTATION_RIGHT_TOP:
1464 /* rotated -90 (270) */
1466 *res_y = tile_w - area_x - area_w;
1470 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1471 *res_x = tile_h - area_y - area_h;
1472 *res_y = tile_w - area_x - area_w;
1476 case EXIF_ORIENTATION_LEFT_BOTTOM:
1478 *res_x = tile_h - area_y - area_h;
1484 /* The other values are out of range */
1487 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1490 void pr_coords_map_orientation_reverse(gint orientation,
1491 gint area_x, gint area_y,
1492 gint tile_w, gint tile_h,
1493 gint area_w, gint area_h,
1494 gint *res_x, gint *res_y,
1495 gint *res_w, gint *res_h)
1502 switch (orientation)
1504 case EXIF_ORIENTATION_TOP_LEFT:
1505 /* normal -- nothing to do */
1507 case EXIF_ORIENTATION_TOP_RIGHT:
1509 *res_x = tile_w - area_x - area_w;
1511 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1513 *res_x = tile_w - area_x - area_w;
1514 *res_y = tile_h - area_y - area_h;
1516 case EXIF_ORIENTATION_BOTTOM_LEFT:
1518 *res_y = tile_h - area_y - area_h;
1520 case EXIF_ORIENTATION_LEFT_TOP:
1526 case EXIF_ORIENTATION_RIGHT_TOP:
1527 /* rotated -90 (270) */
1528 *res_x = tile_w - area_y - area_h;
1533 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1534 *res_x = tile_w - area_y - area_h;
1535 *res_y = tile_h - area_x - area_w;
1539 case EXIF_ORIENTATION_LEFT_BOTTOM:
1542 *res_y = tile_h - area_x - area_w;
1547 /* The other values are out of range */
1554 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1557 if (!pr->width || !pr->height) return;
1560 * Update norm_center only if the image is bigger than the window.
1561 * With this condition the stored center survives also a temporary display
1562 * of the "broken image" icon.
1565 if (pr->width > pr->viewport_width)
1567 src_x = pr->x_scroll + pr->vis_width / 2;
1568 pr->norm_center_x = (gdouble)src_x / pr->width;
1571 if (pr->height > pr->viewport_height)
1573 src_y = pr->y_scroll + pr->vis_height / 2;
1574 pr->norm_center_y = (gdouble)src_y / pr->height;
1579 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1584 if (pr->zoom == 0.0)
1592 old_xs = pr->x_scroll;
1593 old_ys = pr->y_scroll;
1595 if (pr->x_offset > 0)
1601 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1604 if (pr->y_offset > 0)
1610 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1613 pixbuf_renderer_sync_scroll_center(pr);
1615 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1618 static gboolean pr_size_clamp(PixbufRenderer *pr)
1620 gint old_vw, old_vh;
1622 old_vw = pr->vis_width;
1623 old_vh = pr->vis_height;
1625 if (pr->width < pr->viewport_width)
1627 pr->vis_width = pr->width;
1628 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1632 pr->vis_width = pr->viewport_width;
1636 if (pr->height < pr->viewport_height)
1638 pr->vis_height = pr->height;
1639 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1643 pr->vis_height = pr->viewport_height;
1647 pixbuf_renderer_sync_scroll_center(pr);
1649 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1652 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1653 PrZoomFlags flags, gboolean *redrawn)
1658 gboolean force = !!(flags & PR_ZOOM_FORCE);
1659 gboolean new = !!(flags & PR_ZOOM_NEW);
1660 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1661 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1663 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1665 if (pr->zoom == zoom && !force) return FALSE;
1667 w = pr->image_width;
1668 h = pr->image_height;
1670 if (zoom == 0.0 && !pr->pixbuf)
1674 else if (zoom == 0.0)
1680 sizeable = (new && pr_parent_window_sizable(pr));
1684 max_w = gdk_screen_width();
1685 max_h = gdk_screen_height();
1687 if (pr->window_limit)
1689 max_w = max_w * pr->window_limit_size / 100;
1690 max_h = max_h * pr->window_limit_size / 100;
1695 max_w = pr->viewport_width;
1696 max_h = pr->viewport_height;
1699 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1701 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1703 scale = (gdouble)max_h / h / pr->aspect_ratio;
1705 w = w * scale + 0.5;
1706 if (w > max_w) w = max_w;
1710 scale = (gdouble)max_w / w;
1712 h = h * scale * pr->aspect_ratio + 0.5;
1713 if (h > max_h) h = max_h;
1716 if (pr->autofit_limit)
1718 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1719 w = w * factor + 0.5;
1720 h = h * factor + 0.5;
1721 scale = scale * factor;
1732 else if (zoom > 0.0) /* zoom orig, in */
1736 h = h * scale * pr->aspect_ratio;
1740 scale = 1.0 / (0.0 - zoom);
1742 h = h * scale * pr->aspect_ratio;
1745 invalid = (pr->width != w || pr->height != h);
1752 if (invalidate || invalid)
1754 pr->renderer->invalidate_all(pr->renderer);
1755 if (pr->renderer2) pr->renderer2->invalidate_all(pr->renderer2);
1756 if (!lazy) pr_redraw(pr, TRUE);
1758 if (redrawn) *redrawn = (invalidate || invalid);
1760 pixbuf_renderer_sync_scroll_center(pr);
1765 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1766 PrZoomFlags flags, gint px, gint py)
1769 gint old_cx, old_cy;
1772 gboolean redrawn = FALSE;
1773 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1774 gboolean force = !!(flags & PR_ZOOM_FORCE);
1775 gboolean new = !!(flags & PR_ZOOM_NEW);
1776 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1777 PrZoomFlags clamp_flags = flags;
1778 gdouble old_center_x = pr->norm_center_x;
1779 gdouble old_center_y = pr->norm_center_y;
1781 old_scale = pr->scale;
1784 px = CLAMP(px, 0, pr->width);
1785 py = CLAMP(py, 0, pr->height);
1786 old_cx = pr->x_scroll + (px - pr->x_offset);
1787 old_cy = pr->y_scroll + (py - pr->y_offset);
1792 old_cx = pr->x_scroll + pr->vis_width / 2;
1793 old_cy = pr->y_scroll + pr->vis_height / 2;
1796 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1797 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1798 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1800 clamped = pr_size_clamp(pr);
1801 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1805 switch (pr->scroll_reset)
1807 case PR_SCROLL_RESET_NOCHANGE:
1808 /* maintain old scroll position */
1809 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1810 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1812 case PR_SCROLL_RESET_CENTER:
1813 /* center new image */
1814 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1815 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1817 case PR_SCROLL_RESET_TOPLEFT:
1819 /* reset to upper left */
1827 /* user zoom does not force, so keep visible center point */
1830 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1831 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1835 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1836 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1840 pr_scroll_clamp(pr);
1842 /* If the window was not sized, redraw the image - we know there will be no size/expose signal.
1843 * But even if a size is claimed, there is no guarantee that the window manager will allow it,
1844 * so redraw the window anyway :/
1846 if (sized || clamped) pr_border_clear(pr);
1850 pr->renderer->queue_clear(pr->renderer);
1851 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1855 pr_redraw(pr, redrawn);
1858 pr_scroll_notify_signal(pr);
1860 pr_update_signal(pr);
1863 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1865 gboolean zoom_changed = FALSE;
1867 gint new_viewport_width = (pr->stereo_mode & PR_STEREO_HORIZ) ? new_width / 2 : new_width;
1868 gint new_viewport_height = (pr->stereo_mode & PR_STEREO_VERT) ? new_height / 2 : new_height;
1870 if (pr->window_width == new_width && pr->window_height == new_height &&
1871 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1873 pr->window_width = new_width;
1874 pr->window_height = new_height;
1875 pr->viewport_width = new_viewport_width;
1876 pr->viewport_height = new_viewport_height;
1878 if (pr->zoom == 0.0)
1880 gdouble old_scale = pr->scale;
1881 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1882 zoom_changed = (old_scale != pr->scale);
1886 pr_scroll_clamp(pr);
1888 pr->renderer->update_sizes(pr->renderer);
1889 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1891 /* ensure scroller remains visible */
1892 if (pr->scroller_overlay != -1)
1894 gboolean update = FALSE;
1896 if (pr->scroller_x > new_width)
1898 pr->scroller_x = new_width;
1899 pr->scroller_xpos = new_width;
1902 if (pr->scroller_y > new_height)
1904 pr->scroller_y = new_height;
1905 pr->scroller_ypos = new_height;
1913 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1917 w = gdk_pixbuf_get_width(pixbuf);
1918 h = gdk_pixbuf_get_height(pixbuf);
1919 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1920 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1925 pr_border_clear(pr);
1927 pr_scroll_notify_signal(pr);
1928 if (zoom_changed) pr_zoom_signal(pr);
1929 pr_update_signal(pr);
1932 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1934 PixbufRenderer *pr = data;
1936 pr_size_sync(pr, allocation->width, allocation->height);
1939 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area)
1944 x = MAX(0, (gint)area->x - pr->x_offset + pr->x_scroll);
1945 y = MAX(0, (gint)area->y - pr->y_offset + pr->y_scroll);
1947 pr->renderer->border_draw(pr->renderer, area->x, area->y, area->width, area->height);
1948 pr->renderer->queue(pr->renderer,
1950 MIN((gint)area->width, pr->width - x),
1951 MIN((gint)area->height, pr->height - y),
1952 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1955 pr->renderer2->border_draw(pr->renderer2, area->x, area->y, area->width, area->height);
1956 pr->renderer2->queue(pr->renderer2,
1958 MIN((gint)area->width, pr->width - x),
1959 MIN((gint)area->height, pr->height - y),
1960 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1965 *-------------------------------------------------------------------
1967 *-------------------------------------------------------------------
1970 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1975 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1977 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1979 old_x = pr->x_scroll;
1980 old_y = pr->y_scroll;
1985 pr_scroll_clamp(pr);
1987 pixbuf_renderer_sync_scroll_center(pr);
1989 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1991 pr_scroll_notify_signal(pr);
1993 x_off = pr->x_scroll - old_x;
1994 y_off = pr->y_scroll - old_y;
1996 pr->renderer->scroll(pr->renderer, x_off, y_off);
1997 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
2000 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
2001 gdouble x_align, gdouble y_align)
2006 x_align = CLAMP(x_align, 0.0, 1.0);
2007 y_align = CLAMP(y_align, 0.0, 1.0);
2009 ax = (gdouble)pr->vis_width * x_align;
2010 ay = (gdouble)pr->vis_height * y_align;
2012 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
2013 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
2015 pixbuf_renderer_scroll(pr, px, py);
2018 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
2020 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
2022 *x = pr->norm_center_x;
2023 *y = pr->norm_center_y;
2026 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
2028 gdouble dst_x, dst_y;
2030 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
2031 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
2033 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
2034 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
2036 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
2040 *-------------------------------------------------------------------
2042 *-------------------------------------------------------------------
2045 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2050 /* This is a hack, but work far the best, at least for single pointer systems.
2051 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
2053 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
2057 pr = PIXBUF_RENDERER(widget);
2059 if (pr->scroller_id)
2061 pr->scroller_xpos = bevent->x;
2062 pr->scroller_ypos = bevent->y;
2065 pr->x_mouse = bevent->x;
2066 pr->y_mouse = bevent->y;
2067 pr_update_pixel_signal(pr);
2069 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2071 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2077 widget_set_cursor(widget, GDK_FLEUR);
2080 if (bevent->state & GDK_CONTROL_MASK)
2082 accel = PR_PAN_SHIFT_MULTIPLIER;
2090 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2091 (pr->drag_last_y - bevent->y) * accel);
2093 pr_drag_signal(pr, bevent);
2095 pr->drag_last_x = bevent->x;
2096 pr->drag_last_y = bevent->y;
2098 /* This is recommended by the GTK+ documentation, but does not work properly.
2099 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2100 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2102 /* gdk_event_request_motions (bevent); */
2106 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2110 pr = PIXBUF_RENDERER(widget);
2114 pr_update_pixel_signal(pr);
2118 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2123 pr = PIXBUF_RENDERER(widget);
2125 if (pr->scroller_id) return TRUE;
2127 switch (bevent->button)
2129 case MOUSE_BUTTON_LEFT:
2131 pr->drag_last_x = bevent->x;
2132 pr->drag_last_y = bevent->y;
2134 gdk_pointer_grab(widget->window, FALSE,
2135 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2136 NULL, NULL, bevent->time);
2137 gtk_grab_add(widget);
2139 case MOUSE_BUTTON_MIDDLE:
2142 case MOUSE_BUTTON_RIGHT:
2143 pr_clicked_signal(pr, bevent);
2149 parent = gtk_widget_get_parent(widget);
2150 #if GTK_CHECK_VERSION(2,20,0)
2151 if (widget && gtk_widget_get_can_focus(parent))
2153 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2156 gtk_widget_grab_focus(parent);
2162 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2166 pr = PIXBUF_RENDERER(widget);
2168 if (pr->scroller_id)
2170 pr_scroller_stop(pr);
2174 #if GTK_CHECK_VERSION(2,20,0)
2175 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2177 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2180 gtk_grab_remove(widget);
2181 gdk_pointer_ungrab(bevent->time);
2182 widget_set_cursor(widget, -1);
2185 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2187 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2189 pr_scroller_start(pr, bevent->x, bevent->y);
2191 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2193 pr_clicked_signal(pr, bevent);
2197 pr->in_drag = FALSE;
2202 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2206 pr = PIXBUF_RENDERER(widget);
2208 if (pr->scroller_id)
2210 pr->scroller_xpos = pr->scroller_x;
2211 pr->scroller_ypos = pr->scroller_y;
2212 pr->scroller_xinc = 0;
2213 pr->scroller_yinc = 0;
2219 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2223 pr = PIXBUF_RENDERER(widget);
2225 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2228 static void pr_signals_connect(PixbufRenderer *pr)
2230 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2231 G_CALLBACK(pr_mouse_motion_cb), pr);
2232 g_signal_connect(G_OBJECT(pr), "button_press_event",
2233 G_CALLBACK(pr_mouse_press_cb), pr);
2234 g_signal_connect(G_OBJECT(pr), "button_release_event",
2235 G_CALLBACK(pr_mouse_release_cb), pr);
2236 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2237 G_CALLBACK(pr_mouse_leave_cb), pr);
2238 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2239 G_CALLBACK(pr_leave_notify_cb), pr);
2241 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2242 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2243 GDK_LEAVE_NOTIFY_MASK);
2245 g_signal_connect(G_OBJECT(pr), "drag_begin",
2246 G_CALLBACK(pr_mouse_drag_cb), pr);
2251 *-------------------------------------------------------------------
2253 *-------------------------------------------------------------------
2256 #define COLOR_BYTES 3 /* rgb */
2257 void pr_create_anaglyph(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2260 guchar *s_pix, *d_pix;
2265 srs = gdk_pixbuf_get_rowstride(right);
2266 s_pix = gdk_pixbuf_get_pixels(right);
2267 spi = s_pix + (x * COLOR_BYTES);
2269 drs = gdk_pixbuf_get_rowstride(pixbuf);
2270 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2271 dpi = d_pix + x * COLOR_BYTES;
2273 for (i = y; i < y + h; i++)
2275 sp = spi + (i * srs);
2276 dp = dpi + (i * drs);
2277 for (j = 0; j < w; j++)
2279 *dp = *sp; /* copy red channel */
2289 *-------------------------------------------------------------------
2291 *-------------------------------------------------------------------
2293 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2295 pr->stereo_pixbuf_offset = 0;
2296 if (!pr->pixbuf) return;
2297 switch (pr->orientation)
2299 case EXIF_ORIENTATION_LEFT_TOP:
2300 case EXIF_ORIENTATION_RIGHT_TOP:
2301 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2302 case EXIF_ORIENTATION_LEFT_BOTTOM:
2303 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2304 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2305 if (GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pr->pixbuf), "stereo_sbs")))
2307 pr->image_height /= 2;
2308 pr->stereo_pixbuf_offset = pr->image_height;
2313 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2314 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2315 if (GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pr->pixbuf), "stereo_sbs")))
2317 pr->image_width /= 2;
2318 pr->stereo_pixbuf_offset = pr->image_width;
2323 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2325 if (pixbuf) g_object_ref(pixbuf);
2326 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2327 pr->pixbuf = pixbuf;
2333 /* no pixbuf so just clear the window */
2334 pr->image_width = 0;
2335 pr->image_height = 0;
2337 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2338 and used for pixbuf_renderer_zoom_get */
2340 box = GTK_WIDGET(pr);
2342 #if GTK_CHECK_VERSION(2,20,0)
2343 if (gtk_widget_get_realized(box))
2345 if (GTK_WIDGET_REALIZED(box))
2348 gdk_window_clear(box->window);
2349 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2350 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2353 pr_update_signal(pr);
2358 pr_pixbuf_size_sync(pr);
2359 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2362 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2364 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2366 pr_source_tile_unset(pr);
2368 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2370 pr_update_signal(pr);
2373 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation)
2375 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2377 pr_source_tile_unset(pr);
2379 pr->orientation = orientation;
2380 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2382 pr_update_signal(pr);
2385 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2387 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2392 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2394 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2396 pr->orientation = orientation;
2398 pr_pixbuf_size_sync(pr);
2399 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2402 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2405 return pr->orientation;
2408 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2410 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2412 pr->func_post_process = func;
2413 pr->post_process_user_data = user_data;
2414 pr->post_process_slow = func && slow;
2419 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2422 PixbufRendererScrollResetType scroll_reset;
2424 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2425 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2427 if (pr == source) return;
2429 object = G_OBJECT(pr);
2431 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2432 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2433 g_object_set(object, "loading", source->loading, NULL);
2435 pr->complete = source->complete;
2437 pr->x_scroll = source->x_scroll;
2438 pr->y_scroll = source->y_scroll;
2439 pr->x_mouse = source->x_mouse;
2440 pr->y_mouse = source->y_mouse;
2442 scroll_reset = pr->scroll_reset;
2443 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2445 pr->func_post_process = source->func_post_process;
2446 pr->post_process_user_data = source->post_process_user_data;
2447 pr->post_process_slow = source->post_process_slow;
2448 pr->orientation = source->orientation;
2450 if (source->source_tiles_enabled)
2452 pr_source_tile_unset(pr);
2454 pr->source_tiles_enabled = source->source_tiles_enabled;
2455 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2456 pr->source_tile_width = source->source_tile_width;
2457 pr->source_tile_height = source->source_tile_height;
2458 pr->image_width = source->image_width;
2459 pr->image_height = source->image_height;
2461 pr->func_tile_request = source->func_tile_request;
2462 pr->func_tile_dispose = source->func_tile_dispose;
2463 pr->func_tile_data = source->func_tile_data;
2465 pr->source_tiles = source->source_tiles;
2466 source->source_tiles = NULL;
2468 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2469 pr_redraw(pr, TRUE);
2473 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2476 pr->scroll_reset = scroll_reset;
2478 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2479 // pr_queue_clear(source);
2480 // pr_tile_free_all(source);
2483 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint src_x, gint src_y, gint src_w, gint src_h)
2485 gint x, y, width, height, x1, y1, x2, y2;
2487 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2489 pr_coords_map_orientation_reverse(pr->orientation,
2491 pr->image_width, pr->image_height,
2496 if (pr->source_tiles_enabled)
2498 pr_source_tile_changed(pr, x, y, width, height);
2501 if (pr->scale != 1.0 && pr->zoom_quality != GDK_INTERP_NEAREST)
2503 /* increase region when using a zoom quality that may access surrounding pixels */
2508 x1 = (gint)floor((gdouble)x * pr->scale);
2509 y1 = (gint)floor((gdouble)y * pr->scale * pr->aspect_ratio);
2510 x2 = (gint)ceil((gdouble)(x + width) * pr->scale);
2511 y2 = (gint)ceil((gdouble)(y + height) * pr->scale * pr->aspect_ratio);
2513 pr->renderer->queue(pr->renderer, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2514 if (pr->renderer2) pr->renderer2->queue(pr->renderer2, x1, y1, x2 - x1, y2 - y1, FALSE, TILE_RENDER_AREA, TRUE, TRUE);
2517 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2519 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2521 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2524 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2526 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2528 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2531 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2533 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2535 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2538 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2540 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2545 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2547 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2552 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2554 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2556 if (min > 1.0 || max < 1.0) return;
2557 if (min < 1.0 && min > -1.0) return;
2558 if (min < -200.0 || max > 200.0) return;
2560 if (pr->zoom_min != min)
2563 g_object_notify(G_OBJECT(pr), "zoom_min");
2565 if (pr->zoom_max != max)
2568 g_object_notify(G_OBJECT(pr), "zoom_max");
2572 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2574 gboolean redraw = !(pr->stereo_mode == stereo_mode);
2575 pr->stereo_mode = stereo_mode;
2577 if (!pr->renderer) pr->renderer = (void *)renderer_tiles_new(pr);
2579 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode);
2581 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT))
2583 if (!pr->renderer2) pr->renderer2 = (void *)renderer_tiles_new(pr);
2584 pr->renderer2->stereo_set(pr->renderer2, pr->stereo_mode | PR_STEREO_RIGHT);
2588 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2589 pr->renderer2 = NULL;
2593 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2594 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2598 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2600 return pr->stereo_mode;
2603 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2604 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2606 GdkPixbuf *pb = pr->pixbuf;
2609 gint map_x, map_y, map_w, map_h;
2611 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2612 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2614 if (!pr->pixbuf && !pr->source_tiles_enabled)
2622 if (!pb) return FALSE;
2624 pr_tile_region_map_orientation(pr->orientation,
2626 pr->image_width, pr->image_height,
2627 1, 1, /*single pixel */
2631 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2632 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2634 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2635 prs = gdk_pixbuf_get_rowstride(pb);
2636 p_pix = gdk_pixbuf_get_pixels(pb);
2638 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2648 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2650 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2652 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2653 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2655 if (!pr->pixbuf && !pr->source_tiles_enabled)
2657 *x_pixel_return = -1;
2658 *y_pixel_return = -1;
2662 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2663 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2664 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2665 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2667 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2669 /* mouse is not on pr */
2670 x_pixel = y_pixel = -1;
2673 *x_pixel_return = x_pixel;
2674 *y_pixel_return = y_pixel;
2679 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2681 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2682 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2684 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2691 *width = pr->image_width;
2692 *height = pr->image_height;
2696 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2698 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2699 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2701 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2709 *height = pr->height;
2713 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2715 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2716 g_return_val_if_fail(rect != NULL, FALSE);
2718 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2728 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2729 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2730 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2731 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2735 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2737 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2738 g_return_val_if_fail(rect != NULL, FALSE);
2740 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2749 rect->x = pr->x_scroll;
2750 rect->y = pr->y_scroll;
2751 rect->width = pr->vis_width;
2752 rect->height = pr->vis_height;
2756 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2761 zoom = pixbuf_renderer_zoom_get(pr);
2762 pr->image_width = width;
2763 pr->image_height = height;
2765 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2770 //pr->width = width;
2771 //pr->height = height;
2774 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */