4 * Copyright (C) 2008 - 2012 The Geeqie Team
8 * This software is released under the GNU General Public License (GNU GPL).
9 * Please read the included file COPYING for more information.
10 * This software comes with no warranty of any kind, use at your own risk!
19 #include "pixbuf-renderer.h"
20 #include "renderer-tiles.h"
21 #include "renderer-clutter.h"
29 /* FIXME: make this configurable */
30 #define RENDERER_NEW(pr) renderer_clutter_new(pr)
32 #define RENDERER_NEW(pr) renderer_tiles_new(pr)
35 /* comment this out if not using this from within Geeqie
36 * defining GQ_BUILD does these things:
37 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
43 #include "pixbuf_util.h"
47 EXIF_ORIENTATION_UNKNOWN = 0,
48 EXIF_ORIENTATION_TOP_LEFT = 1,
49 EXIF_ORIENTATION_TOP_RIGHT = 2,
50 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
51 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
52 EXIF_ORIENTATION_LEFT_TOP = 5,
53 EXIF_ORIENTATION_RIGHT_TOP = 6,
54 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
55 EXIF_ORIENTATION_LEFT_BOTTOM = 8
56 } ExifOrientationType;
60 /* default min and max zoom */
61 #define PR_ZOOM_MIN -32.0
62 #define PR_ZOOM_MAX 32.0
64 /* distance to drag mouse to disable image flip */
65 #define PR_DRAG_SCROLL_THRESHHOLD 4
67 /* increase pan rate when holding down shift */
68 #define PR_PAN_SHIFT_MULTIPLIER 6
71 #define PR_SCROLLER_UPDATES_PER_SEC 30
72 #define PR_SCROLLER_DEAD_ZONE 6
74 /* when scaling image to below this size, use nearest pixel for scaling
75 * (below about 4, the other scale types become slow generating their conversion tables)
77 #define PR_MIN_SCALE_SIZE 8
83 SIGNAL_RENDER_COMPLETE,
100 PROP_CACHE_SIZE_DISPLAY,
101 PROP_CACHE_SIZE_TILES,
104 PROP_WINDOW_LIMIT_VALUE,
106 PROP_AUTOFIT_LIMIT_VALUE
111 PR_ZOOM_FORCE = 1 << 0,
112 PR_ZOOM_NEW = 1 << 1,
113 PR_ZOOM_CENTER = 1 << 2,
114 PR_ZOOM_INVALIDATE = 1 << 3,
115 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
118 static guint signals[SIGNAL_COUNT] = { 0 };
119 static GtkEventBoxClass *parent_class = NULL;
123 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
124 static void pixbuf_renderer_init(PixbufRenderer *pr);
125 static void pixbuf_renderer_finalize(GObject *object);
126 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
127 const GValue *value, GParamSpec *pspec);
128 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
129 GValue *value, GParamSpec *pspec);
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 pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
144 *-------------------------------------------------------------------
145 * Pixbuf Renderer object
146 *-------------------------------------------------------------------
149 GType pixbuf_renderer_get_type(void)
151 static GType pixbuf_renderer_type = 0;
153 if (!pixbuf_renderer_type)
155 static const GTypeInfo pixbuf_renderer_info =
157 sizeof(PixbufRendererClass), /* class_size */
158 NULL, /* base_init */
159 NULL, /* base_finalize */
160 (GClassInitFunc)pixbuf_renderer_class_init,
161 NULL, /* class_finalize */
162 NULL, /* class_data */
163 sizeof(PixbufRenderer), /* instance_size */
165 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
166 NULL, /* value_table */
169 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
170 &pixbuf_renderer_info, 0);
173 return pixbuf_renderer_type;
176 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
178 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
180 parent_class = g_type_class_peek_parent(class);
182 gobject_class->set_property = pixbuf_renderer_set_property;
183 gobject_class->get_property = pixbuf_renderer_get_property;
185 gobject_class->finalize = pixbuf_renderer_finalize;
187 g_object_class_install_property(gobject_class,
189 g_param_spec_double("zoom_min",
195 G_PARAM_READABLE | G_PARAM_WRITABLE));
197 g_object_class_install_property(gobject_class,
199 g_param_spec_double("zoom_max",
205 G_PARAM_READABLE | G_PARAM_WRITABLE));
207 g_object_class_install_property(gobject_class,
209 g_param_spec_uint("zoom_quality",
215 G_PARAM_READABLE | G_PARAM_WRITABLE));
217 g_object_class_install_property(gobject_class,
219 g_param_spec_boolean("zoom_2pass",
223 G_PARAM_READABLE | G_PARAM_WRITABLE));
225 g_object_class_install_property(gobject_class,
227 g_param_spec_boolean("zoom_expand",
228 "Expand image in autozoom.",
231 G_PARAM_READABLE | G_PARAM_WRITABLE));
232 g_object_class_install_property(gobject_class,
234 g_param_spec_uint("scroll_reset",
235 "New image scroll reset",
237 PR_SCROLL_RESET_TOPLEFT,
238 PR_SCROLL_RESET_NOCHANGE,
239 PR_SCROLL_RESET_TOPLEFT,
240 G_PARAM_READABLE | G_PARAM_WRITABLE));
242 g_object_class_install_property(gobject_class,
244 g_param_spec_boolean("delay_flip",
245 "Delay image update",
248 G_PARAM_READABLE | G_PARAM_WRITABLE));
250 g_object_class_install_property(gobject_class,
252 g_param_spec_boolean("loading",
253 "Image actively loading",
256 G_PARAM_READABLE | G_PARAM_WRITABLE));
258 g_object_class_install_property(gobject_class,
260 g_param_spec_boolean("complete",
261 "Image rendering complete",
264 G_PARAM_READABLE | G_PARAM_WRITABLE));
266 g_object_class_install_property(gobject_class,
267 PROP_CACHE_SIZE_DISPLAY,
268 g_param_spec_uint("cache_display",
269 "Display cache size MB",
273 PR_CACHE_SIZE_DEFAULT,
274 G_PARAM_READABLE | G_PARAM_WRITABLE));
276 g_object_class_install_property(gobject_class,
277 PROP_CACHE_SIZE_TILES,
278 g_param_spec_uint("cache_tiles",
280 "Number of tiles to retain in memory at any one time.",
283 PR_CACHE_SIZE_DEFAULT,
284 G_PARAM_READABLE | G_PARAM_WRITABLE));
286 g_object_class_install_property(gobject_class,
288 g_param_spec_boolean("window_fit",
289 "Fit window to image size",
292 G_PARAM_READABLE | G_PARAM_WRITABLE));
294 g_object_class_install_property(gobject_class,
296 g_param_spec_boolean("window_limit",
297 "Limit size of parent window",
300 G_PARAM_READABLE | G_PARAM_WRITABLE));
302 g_object_class_install_property(gobject_class,
303 PROP_WINDOW_LIMIT_VALUE,
304 g_param_spec_uint("window_limit_value",
305 "Size limit of parent window",
310 G_PARAM_READABLE | G_PARAM_WRITABLE));
312 g_object_class_install_property(gobject_class,
314 g_param_spec_boolean("autofit_limit",
315 "Limit size of image when autofitting",
318 G_PARAM_READABLE | G_PARAM_WRITABLE));
320 g_object_class_install_property(gobject_class,
321 PROP_AUTOFIT_LIMIT_VALUE,
322 g_param_spec_uint("autofit_limit_value",
323 "Size limit of image when autofitting",
328 G_PARAM_READABLE | G_PARAM_WRITABLE));
331 signals[SIGNAL_ZOOM] =
333 G_OBJECT_CLASS_TYPE(gobject_class),
335 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
337 g_cclosure_marshal_VOID__DOUBLE,
341 signals[SIGNAL_CLICKED] =
342 g_signal_new("clicked",
343 G_OBJECT_CLASS_TYPE(gobject_class),
345 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
347 g_cclosure_marshal_VOID__BOXED,
351 signals[SIGNAL_SCROLL_NOTIFY] =
352 g_signal_new("scroll-notify",
353 G_OBJECT_CLASS_TYPE(gobject_class),
355 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
357 g_cclosure_marshal_VOID__VOID,
360 signals[SIGNAL_RENDER_COMPLETE] =
361 g_signal_new("render-complete",
362 G_OBJECT_CLASS_TYPE(gobject_class),
364 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
366 g_cclosure_marshal_VOID__VOID,
369 signals[SIGNAL_DRAG] =
371 G_OBJECT_CLASS_TYPE(gobject_class),
373 G_STRUCT_OFFSET(PixbufRendererClass, drag),
375 g_cclosure_marshal_VOID__BOXED,
379 signals[SIGNAL_UPDATE_PIXEL] =
380 g_signal_new("update-pixel",
381 G_OBJECT_CLASS_TYPE(gobject_class),
383 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
385 g_cclosure_marshal_VOID__VOID,
389 static void pixbuf_renderer_init(PixbufRenderer *pr)
393 box = GTK_WIDGET(pr);
395 pr->zoom_min = PR_ZOOM_MIN;
396 pr->zoom_max = PR_ZOOM_MAX;
397 pr->zoom_quality = GDK_INTERP_BILINEAR;
398 pr->zoom_2pass = FALSE;
402 pr->aspect_ratio = 1.0;
404 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
407 pr->scroller_overlay = -1;
412 pr->source_tiles_enabled = FALSE;
413 pr->source_tiles = NULL;
417 pr->norm_center_x = 0.5;
418 pr->norm_center_y = 0.5;
420 pr->stereo_mode = PR_STEREO_NONE;
422 pr->renderer = RENDERER_NEW(pr);
424 pr->renderer2 = NULL;
426 gtk_widget_set_double_buffered(box, FALSE);
427 g_signal_connect_after(G_OBJECT(box), "size_allocate",
428 G_CALLBACK(pr_size_cb), pr);
430 pr_signals_connect(pr);
433 static void pixbuf_renderer_finalize(GObject *object)
437 pr = PIXBUF_RENDERER(object);
439 pr->renderer->free(pr->renderer);
440 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
443 if (pr->pixbuf) g_object_unref(pr->pixbuf);
445 pr_scroller_timer_set(pr, FALSE);
447 pr_source_tile_free_all(pr);
450 PixbufRenderer *pixbuf_renderer_new(void)
452 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
455 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
456 const GValue *value, GParamSpec *pspec)
460 pr = PIXBUF_RENDERER(object);
465 pr->zoom_min = g_value_get_double(value);
468 pr->zoom_max = g_value_get_double(value);
470 case PROP_ZOOM_QUALITY:
471 pr->zoom_quality = g_value_get_uint(value);
473 case PROP_ZOOM_2PASS:
474 pr->zoom_2pass = g_value_get_boolean(value);
476 case PROP_ZOOM_EXPAND:
477 pr->zoom_expand = g_value_get_boolean(value);
479 case PROP_SCROLL_RESET:
480 pr->scroll_reset = g_value_get_uint(value);
482 case PROP_DELAY_FLIP:
483 pr->delay_flip = g_value_get_boolean(value);
486 pr->loading = g_value_get_boolean(value);
489 pr->complete = g_value_get_boolean(value);
491 case PROP_CACHE_SIZE_DISPLAY:
492 // pr->tile_cache_max = g_value_get_uint(value);
494 case PROP_CACHE_SIZE_TILES:
495 pr->source_tiles_cache_size = g_value_get_uint(value);
497 case PROP_WINDOW_FIT:
498 pr->window_fit = g_value_get_boolean(value);
500 case PROP_WINDOW_LIMIT:
501 pr->window_limit = g_value_get_boolean(value);
503 case PROP_WINDOW_LIMIT_VALUE:
504 pr->window_limit_size = g_value_get_uint(value);
506 case PROP_AUTOFIT_LIMIT:
507 pr->autofit_limit = g_value_get_boolean(value);
509 case PROP_AUTOFIT_LIMIT_VALUE:
510 pr->autofit_limit_size = g_value_get_uint(value);
513 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
518 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
519 GValue *value, GParamSpec *pspec)
523 pr = PIXBUF_RENDERER(object);
528 g_value_set_double(value, pr->zoom_min);
531 g_value_set_double(value, pr->zoom_max);
533 case PROP_ZOOM_QUALITY:
534 g_value_set_uint(value, pr->zoom_quality);
536 case PROP_ZOOM_2PASS:
537 g_value_set_boolean(value, pr->zoom_2pass);
539 case PROP_ZOOM_EXPAND:
540 g_value_set_boolean(value, pr->zoom_expand);
542 case PROP_SCROLL_RESET:
543 g_value_set_uint(value, pr->scroll_reset);
545 case PROP_DELAY_FLIP:
546 g_value_set_boolean(value, pr->delay_flip);
549 g_value_set_boolean(value, pr->loading);
552 g_value_set_boolean(value, pr->complete);
554 case PROP_CACHE_SIZE_DISPLAY:
555 // g_value_set_uint(value, pr->tile_cache_max);
557 case PROP_CACHE_SIZE_TILES:
558 g_value_set_uint(value, pr->source_tiles_cache_size);
560 case PROP_WINDOW_FIT:
561 g_value_set_boolean(value, pr->window_fit);
563 case PROP_WINDOW_LIMIT:
564 g_value_set_boolean(value, pr->window_limit);
566 case PROP_WINDOW_LIMIT_VALUE:
567 g_value_set_uint(value, pr->window_limit_size);
569 case PROP_AUTOFIT_LIMIT:
570 g_value_set_boolean(value, pr->autofit_limit);
572 case PROP_AUTOFIT_LIMIT_VALUE:
573 g_value_set_uint(value, pr->autofit_limit_size);
576 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
583 *-------------------------------------------------------------------
585 *-------------------------------------------------------------------
588 static void widget_set_cursor(GtkWidget *widget, gint icon)
592 if (!gtk_widget_get_window(widget)) return;
600 cursor = gdk_cursor_new(icon);
603 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
605 if (cursor) gdk_cursor_unref(cursor);
608 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
609 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
610 gint *rx, gint *ry, gint *rw, gint *rh)
612 if (clip_x + clip_w <= x ||
614 clip_y + clip_h <= y ||
620 *rx = MAX(x, clip_x);
621 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
623 *ry = MAX(y, clip_y);
624 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
629 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
631 GdkWindowState state;
633 if (!pr->parent_window) return FALSE;
634 if (!pr->window_fit) return FALSE;
635 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
637 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
638 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
639 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
644 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
649 GtkAllocation widget_allocation;
650 GtkAllocation parent_allocation;
652 if (!pr_parent_window_sizable(pr)) return FALSE;
654 if (pr->window_limit)
656 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
657 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
663 widget = GTK_WIDGET(pr);
664 parent = GTK_WIDGET(pr->parent_window);
666 gtk_widget_get_allocation(widget, &widget_allocation);
667 gtk_widget_get_allocation(parent, &parent_allocation);
669 w += (parent_allocation.width - widget_allocation.width);
670 h += (parent_allocation.height - widget_allocation.height);
672 ww = gdk_window_get_width(gtk_widget_get_window(parent));
673 wh = gdk_window_get_height(gtk_widget_get_window(parent));
674 if (w == ww && h == wh) return FALSE;
676 gdk_window_resize(gtk_widget_get_window(parent), w, h);
681 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
683 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
684 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
686 pr->parent_window = GTK_WIDGET(window);
689 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
691 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
693 return GTK_WINDOW(pr->parent_window);
698 *-------------------------------------------------------------------
700 *-------------------------------------------------------------------
704 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
705 OverlayRendererFlags flags)
707 /* let's assume both renderers returns the same value */
708 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
709 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
712 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
714 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
715 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
718 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
720 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
721 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
724 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
726 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
727 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
731 *-------------------------------------------------------------------
733 *-------------------------------------------------------------------
737 static gboolean pr_scroller_update_cb(gpointer data)
739 PixbufRenderer *pr = data;
743 /* this was a simple scroll by difference between scroller and mouse position,
744 * but all this math results in a smoother result and accounts for a dead zone.
747 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
753 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
754 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
755 x += (x > 0) ? -shift : shift;
758 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
764 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
765 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
766 y += (y > 0) ? -shift : shift;
769 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
775 xinc = pr->scroller_xinc;
779 if (xinc < 0) xinc = 0;
780 if (x < xinc) xinc = x;
781 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
785 if (xinc > 0) xinc = 0;
786 if (x > xinc) xinc = x;
787 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
791 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
797 yinc = pr->scroller_yinc;
801 if (yinc < 0) yinc = 0;
802 if (y < yinc) yinc = y;
803 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
807 if (yinc > 0) yinc = 0;
808 if (y > yinc) yinc = y;
809 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
813 pr->scroller_xinc = xinc;
814 pr->scroller_yinc = yinc;
816 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
817 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
819 pixbuf_renderer_scroll(pr, xinc, yinc);
824 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
828 g_source_remove(pr->scroller_id);
834 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
835 pr_scroller_update_cb, pr);
839 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
841 if (pr->scroller_overlay == -1)
847 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
849 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
850 gdk_pixbuf_fill(pixbuf, 0x000000ff);
852 w = gdk_pixbuf_get_width(pixbuf);
853 h = gdk_pixbuf_get_height(pixbuf);
855 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
856 g_object_unref(pixbuf);
861 pr->scroller_xpos = x;
862 pr->scroller_ypos = y;
864 pr_scroller_timer_set(pr, TRUE);
867 static void pr_scroller_stop(PixbufRenderer *pr)
869 if (!pr->scroller_id) return;
871 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
872 pr->scroller_overlay = -1;
874 pr_scroller_timer_set(pr, FALSE);
878 *-------------------------------------------------------------------
880 *-------------------------------------------------------------------
883 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
888 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
890 widget = GTK_WIDGET(pr);
895 style = gtk_style_copy(gtk_widget_get_style(widget));
896 slot = &style->bg[GTK_STATE_NORMAL];
898 slot->red = color->red;
899 slot->green = color->green;
900 slot->blue = color->blue;
903 style = gtk_style_copy(gtk_widget_get_default_style());
906 gtk_widget_set_style(widget, style);
908 pr->renderer->update_sizes(pr->renderer);
909 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
913 *-------------------------------------------------------------------
915 *-------------------------------------------------------------------
918 static void pr_source_tile_free(SourceTile *st)
922 if (st->pixbuf) g_object_unref(st->pixbuf);
926 static void pr_source_tile_free_all(PixbufRenderer *pr)
930 work = pr->source_tiles;
938 pr_source_tile_free(st);
941 g_list_free(pr->source_tiles);
942 pr->source_tiles = NULL;
945 static void pr_source_tile_unset(PixbufRenderer *pr)
947 pr_source_tile_free_all(pr);
948 pr->source_tiles_enabled = FALSE;
951 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
955 if (!st) return FALSE;
957 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
958 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
959 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
960 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
963 x2 = pr->x_scroll + pr->vis_width;
964 y2 = pr->y_scroll + pr->vis_height;
966 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
967 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
968 (gdouble)st->y * pr->scale > (gdouble)y2 ||
969 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
972 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
974 SourceTile *st = NULL;
977 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
979 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
981 count = g_list_length(pr->source_tiles);
982 if (count >= pr->source_tiles_cache_size)
986 work = g_list_last(pr->source_tiles);
987 while (work && count >= pr->source_tiles_cache_size)
994 if (!pr_source_tile_visible(pr, needle))
996 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
998 if (pr->func_tile_dispose)
1000 pr->func_tile_dispose(pr, needle->x, needle->y,
1001 pr->source_tile_width, pr->source_tile_height,
1002 needle->pixbuf, pr->func_tile_data);
1011 pr_source_tile_free(needle);
1021 st = g_new0(SourceTile, 1);
1022 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1023 pr->source_tile_width, pr->source_tile_height);
1026 st->x = ROUND_DOWN(x, pr->source_tile_width);
1027 st->y = ROUND_DOWN(y, pr->source_tile_height);
1030 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1035 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1039 st = pr_source_tile_new(pr, x, y);
1040 if (!st) return NULL;
1042 if (pr->func_tile_request &&
1043 pr->func_tile_request(pr, st->x, st->y,
1044 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1049 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1050 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1051 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1052 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1056 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1060 work = pr->source_tiles;
1063 SourceTile *st = work->data;
1065 if (x >= st->x && x < st->x + pr->source_tile_width &&
1066 y >= st->y && y < st->y + pr->source_tile_height)
1068 if (work != pr->source_tiles)
1070 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1071 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1082 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1090 if (w > pr->image_width) w = pr->image_width;
1091 if (h > pr->image_height) h = pr->image_height;
1093 sx = ROUND_DOWN(x, pr->source_tile_width);
1094 sy = ROUND_DOWN(y, pr->source_tile_height);
1096 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1098 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1102 st = pr_source_tile_find(pr, x1, y1);
1103 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1105 if (st) list = g_list_prepend(list, st);
1109 return g_list_reverse(list);
1112 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1116 if (width < 1 || height < 1) return;
1118 work = pr->source_tiles;
1122 gint rx, ry, rw, rh;
1127 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1128 x, y, width, height,
1129 &rx, &ry, &rw, &rh))
1133 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1134 if (pr->func_tile_request &&
1135 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1137 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1138 rw * pr->scale, rh * pr->scale);
1139 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1140 rw * pr->scale, rh * pr->scale);
1142 g_object_unref(pixbuf);
1147 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1148 gint tile_width, gint tile_height, gint cache_size,
1149 PixbufRendererTileRequestFunc func_request,
1150 PixbufRendererTileDisposeFunc func_dispose,
1154 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1155 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1156 g_return_if_fail(width >= 32 && height > 32);
1157 g_return_if_fail(func_request != NULL);
1159 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1162 pr_source_tile_unset(pr);
1164 if (cache_size < 4) cache_size = 4;
1166 pr->source_tiles_enabled = TRUE;
1167 pr->source_tiles_cache_size = cache_size;
1168 pr->source_tile_width = tile_width;
1169 pr->source_tile_height = tile_height;
1171 pr->image_width = width;
1172 pr->image_height = height;
1174 pr->func_tile_request = func_request;
1175 pr->func_tile_dispose = func_dispose;
1176 pr->func_tile_data = user_data;
1178 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1181 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1183 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1184 g_return_if_fail(width >= 32 && height > 32);
1186 if (!pr->source_tiles_enabled) return;
1187 if (pr->image_width == width && pr->image_height == height) return;
1189 pr->image_width = width;
1190 pr->image_height = height;
1192 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1195 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1197 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1199 return pr->source_tiles_enabled;
1202 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1203 PrZoomFlags flags, gint x, gint y)
1205 gdouble zoom = pr->zoom;
1207 if (increment == 0.0) return;
1211 if (pr->scale < 1.0)
1213 zoom = 0.0 - 1.0 / pr->scale;
1221 if (increment < 0.0)
1223 if (zoom >= 1.0 && zoom + increment < 1.0)
1225 zoom = zoom + increment - 2.0;
1229 zoom = zoom + increment;
1234 if (zoom <= -1.0 && zoom + increment > -1.0)
1236 zoom = zoom + increment + 2.0;
1240 zoom = zoom + increment;
1244 pr_zoom_sync(pr, zoom, flags, x, y);
1249 *-------------------------------------------------------------------
1251 *-------------------------------------------------------------------
1254 static void pr_update_signal(PixbufRenderer *pr)
1257 log_printf("FIXME: send updated signal\n");
1259 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1260 pr->debug_updated = TRUE;
1263 static void pr_zoom_signal(PixbufRenderer *pr)
1265 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1268 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1270 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1273 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1275 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1278 void pr_render_complete_signal(PixbufRenderer *pr)
1282 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1283 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1285 if (pr->debug_updated)
1287 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1288 pr->debug_updated = FALSE;
1292 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1294 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1297 static void pr_update_pixel_signal(PixbufRenderer *pr)
1299 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1303 *-------------------------------------------------------------------
1305 *-------------------------------------------------------------------
1309 void pr_tile_coords_map_orientation(gint orientation,
1310 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1311 gdouble image_w, gdouble image_h,
1312 gdouble tile_w, gdouble tile_h,
1313 gdouble *res_x, gdouble *res_y)
1317 switch (orientation)
1319 case EXIF_ORIENTATION_TOP_LEFT:
1320 /* normal -- nothing to do */
1322 case EXIF_ORIENTATION_TOP_RIGHT:
1324 *res_x = image_w - tile_x - tile_w;
1326 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1328 *res_x = image_w - tile_x - tile_w;
1329 *res_y = image_h - tile_y - tile_h;
1331 case EXIF_ORIENTATION_BOTTOM_LEFT:
1333 *res_y = image_h - tile_y - tile_h;
1335 case EXIF_ORIENTATION_LEFT_TOP:
1339 case EXIF_ORIENTATION_RIGHT_TOP:
1340 /* rotated -90 (270) */
1342 *res_y = image_w - tile_x - tile_w;
1344 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1345 *res_x = image_h - tile_y - tile_h;
1346 *res_y = image_w - tile_x - tile_w;
1348 case EXIF_ORIENTATION_LEFT_BOTTOM:
1350 *res_x = image_h - tile_y - tile_h;
1354 /* The other values are out of range */
1357 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1360 void pr_tile_region_map_orientation(gint orientation,
1361 gint area_x, gint area_y, /* coordinates of the area inside tile */
1362 gint tile_w, gint tile_h,
1363 gint area_w, gint area_h,
1364 gint *res_x, gint *res_y,
1365 gint *res_w, gint *res_h)
1372 switch (orientation)
1374 case EXIF_ORIENTATION_TOP_LEFT:
1375 /* normal -- nothing to do */
1377 case EXIF_ORIENTATION_TOP_RIGHT:
1379 *res_x = tile_w - area_x - area_w;
1381 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1383 *res_x = tile_w - area_x - area_w;
1384 *res_y = tile_h - area_y - area_h;
1386 case EXIF_ORIENTATION_BOTTOM_LEFT:
1388 *res_y = tile_h - area_y - area_h;
1390 case EXIF_ORIENTATION_LEFT_TOP:
1396 case EXIF_ORIENTATION_RIGHT_TOP:
1397 /* rotated -90 (270) */
1399 *res_y = tile_w - area_x - area_w;
1403 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1404 *res_x = tile_h - area_y - area_h;
1405 *res_y = tile_w - area_x - area_w;
1409 case EXIF_ORIENTATION_LEFT_BOTTOM:
1411 *res_x = tile_h - area_y - area_h;
1417 /* The other values are out of range */
1420 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1423 void pr_coords_map_orientation_reverse(gint orientation,
1424 gint area_x, gint area_y,
1425 gint tile_w, gint tile_h,
1426 gint area_w, gint area_h,
1427 gint *res_x, gint *res_y,
1428 gint *res_w, gint *res_h)
1435 switch (orientation)
1437 case EXIF_ORIENTATION_TOP_LEFT:
1438 /* normal -- nothing to do */
1440 case EXIF_ORIENTATION_TOP_RIGHT:
1442 *res_x = tile_w - area_x - area_w;
1444 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1446 *res_x = tile_w - area_x - area_w;
1447 *res_y = tile_h - area_y - area_h;
1449 case EXIF_ORIENTATION_BOTTOM_LEFT:
1451 *res_y = tile_h - area_y - area_h;
1453 case EXIF_ORIENTATION_LEFT_TOP:
1459 case EXIF_ORIENTATION_RIGHT_TOP:
1460 /* rotated -90 (270) */
1461 *res_x = tile_w - area_y - area_h;
1466 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1467 *res_x = tile_w - area_y - area_h;
1468 *res_y = tile_h - area_x - area_w;
1472 case EXIF_ORIENTATION_LEFT_BOTTOM:
1475 *res_y = tile_h - area_x - area_w;
1480 /* The other values are out of range */
1487 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1490 if (!pr->width || !pr->height) return;
1493 * Update norm_center only if the image is bigger than the window.
1494 * With this condition the stored center survives also a temporary display
1495 * of the "broken image" icon.
1498 if (pr->width > pr->viewport_width)
1500 src_x = pr->x_scroll + pr->vis_width / 2;
1501 pr->norm_center_x = (gdouble)src_x / pr->width;
1504 if (pr->height > pr->viewport_height)
1506 src_y = pr->y_scroll + pr->vis_height / 2;
1507 pr->norm_center_y = (gdouble)src_y / pr->height;
1512 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1517 if (pr->zoom == 0.0)
1525 old_xs = pr->x_scroll;
1526 old_ys = pr->y_scroll;
1528 if (pr->x_offset > 0)
1534 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1537 if (pr->y_offset > 0)
1543 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1546 pixbuf_renderer_sync_scroll_center(pr);
1548 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1551 static gboolean pr_size_clamp(PixbufRenderer *pr)
1553 gint old_vw, old_vh;
1555 old_vw = pr->vis_width;
1556 old_vh = pr->vis_height;
1558 if (pr->width < pr->viewport_width)
1560 pr->vis_width = pr->width;
1561 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1565 pr->vis_width = pr->viewport_width;
1569 if (pr->height < pr->viewport_height)
1571 pr->vis_height = pr->height;
1572 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1576 pr->vis_height = pr->viewport_height;
1580 pixbuf_renderer_sync_scroll_center(pr);
1582 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1585 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1586 PrZoomFlags flags, gboolean *redrawn)
1591 gboolean force = !!(flags & PR_ZOOM_FORCE);
1592 gboolean new = !!(flags & PR_ZOOM_NEW);
1593 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1594 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1596 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1598 if (pr->zoom == zoom && !force) return FALSE;
1600 w = pr->image_width;
1601 h = pr->image_height;
1603 if (zoom == 0.0 && !pr->pixbuf)
1607 else if (zoom == 0.0)
1613 sizeable = (new && pr_parent_window_sizable(pr));
1617 max_w = gdk_screen_width();
1618 max_h = gdk_screen_height();
1620 if (pr->window_limit)
1622 max_w = max_w * pr->window_limit_size / 100;
1623 max_h = max_h * pr->window_limit_size / 100;
1628 max_w = pr->viewport_width;
1629 max_h = pr->viewport_height;
1632 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1634 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1636 scale = (gdouble)max_h / h / pr->aspect_ratio;
1638 w = w * scale + 0.5;
1639 if (w > max_w) w = max_w;
1643 scale = (gdouble)max_w / w;
1645 h = h * scale * pr->aspect_ratio + 0.5;
1646 if (h > max_h) h = max_h;
1649 if (pr->autofit_limit)
1651 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1652 w = w * factor + 0.5;
1653 h = h * factor + 0.5;
1654 scale = scale * factor;
1665 else if (zoom > 0.0) /* zoom orig, in */
1669 h = h * scale * pr->aspect_ratio;
1673 scale = 1.0 / (0.0 - zoom);
1675 h = h * scale * pr->aspect_ratio;
1678 invalid = (pr->width != w || pr->height != h);
1685 if (invalidate || invalid)
1687 pr->renderer->update_zoom(pr->renderer, lazy);
1688 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1689 // if (!lazy) pr_redraw(pr, TRUE);
1691 if (redrawn) *redrawn = (invalidate || invalid);
1693 pixbuf_renderer_sync_scroll_center(pr);
1698 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1699 PrZoomFlags flags, gint px, gint py)
1702 gint old_cx, old_cy;
1705 gboolean redrawn = FALSE;
1706 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1707 gboolean force = !!(flags & PR_ZOOM_FORCE);
1708 gboolean new = !!(flags & PR_ZOOM_NEW);
1709 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1710 PrZoomFlags clamp_flags = flags;
1711 gdouble old_center_x = pr->norm_center_x;
1712 gdouble old_center_y = pr->norm_center_y;
1714 old_scale = pr->scale;
1717 px = CLAMP(px, 0, pr->width);
1718 py = CLAMP(py, 0, pr->height);
1719 old_cx = pr->x_scroll + (px - pr->x_offset);
1720 old_cy = pr->y_scroll + (py - pr->y_offset);
1725 old_cx = pr->x_scroll + pr->vis_width / 2;
1726 old_cy = pr->y_scroll + pr->vis_height / 2;
1729 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1730 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1731 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1733 clamped = pr_size_clamp(pr);
1734 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1738 switch (pr->scroll_reset)
1740 case PR_SCROLL_RESET_NOCHANGE:
1741 /* maintain old scroll position */
1742 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1743 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1745 case PR_SCROLL_RESET_CENTER:
1746 /* center new image */
1747 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1748 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1750 case PR_SCROLL_RESET_TOPLEFT:
1752 /* reset to upper left */
1760 /* user zoom does not force, so keep visible center point */
1763 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1764 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1768 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1769 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1773 pr_scroll_clamp(pr);
1778 pr->renderer->queue_clear(pr->renderer);
1779 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1783 pr_redraw(pr, redrawn);
1786 pr->renderer->update_zoom(pr->renderer, lazy);
1787 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1789 pr_scroll_notify_signal(pr);
1791 pr_update_signal(pr);
1794 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1796 gboolean zoom_changed = FALSE;
1798 gint new_viewport_width = new_width;
1799 gint new_viewport_height = new_height;
1801 if (!pr->stereo_temp_disable)
1803 if (pr->stereo_mode & PR_STEREO_HORIZ)
1805 new_viewport_width = new_width / 2;
1807 else if (pr->stereo_mode & PR_STEREO_VERT)
1809 new_viewport_height = new_height / 2;
1811 else if (pr->stereo_mode & PR_STEREO_FIXED)
1813 new_viewport_width = pr->stereo_fixed_width;
1814 new_viewport_height = pr->stereo_fixed_height;
1818 if (pr->window_width == new_width && pr->window_height == new_height &&
1819 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1821 pr->window_width = new_width;
1822 pr->window_height = new_height;
1823 pr->viewport_width = new_viewport_width;
1824 pr->viewport_height = new_viewport_height;
1826 if (pr->zoom == 0.0)
1828 gdouble old_scale = pr->scale;
1829 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1830 zoom_changed = (old_scale != pr->scale);
1834 pr_scroll_clamp(pr);
1836 pr->renderer->update_sizes(pr->renderer);
1837 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1839 /* ensure scroller remains visible */
1840 if (pr->scroller_overlay != -1)
1842 gboolean update = FALSE;
1844 if (pr->scroller_x > new_width)
1846 pr->scroller_x = new_width;
1847 pr->scroller_xpos = new_width;
1850 if (pr->scroller_y > new_height)
1852 pr->scroller_y = new_height;
1853 pr->scroller_ypos = new_height;
1861 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1865 w = gdk_pixbuf_get_width(pixbuf);
1866 h = gdk_pixbuf_get_height(pixbuf);
1867 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1868 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1873 pr_scroll_notify_signal(pr);
1874 if (zoom_changed) pr_zoom_signal(pr);
1875 pr_update_signal(pr);
1878 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1880 PixbufRenderer *pr = data;
1882 pr_size_sync(pr, allocation->width, allocation->height);
1886 *-------------------------------------------------------------------
1888 *-------------------------------------------------------------------
1891 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1896 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1898 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1900 old_x = pr->x_scroll;
1901 old_y = pr->y_scroll;
1906 pr_scroll_clamp(pr);
1908 pixbuf_renderer_sync_scroll_center(pr);
1910 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1912 pr_scroll_notify_signal(pr);
1914 x_off = pr->x_scroll - old_x;
1915 y_off = pr->y_scroll - old_y;
1917 pr->renderer->scroll(pr->renderer, x_off, y_off);
1918 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1921 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1922 gdouble x_align, gdouble y_align)
1927 x_align = CLAMP(x_align, 0.0, 1.0);
1928 y_align = CLAMP(y_align, 0.0, 1.0);
1930 ax = (gdouble)pr->vis_width * x_align;
1931 ay = (gdouble)pr->vis_height * y_align;
1933 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1934 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1936 pixbuf_renderer_scroll(pr, px, py);
1939 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1941 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1943 *x = pr->norm_center_x;
1944 *y = pr->norm_center_y;
1947 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1949 gdouble dst_x, dst_y;
1951 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1952 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1954 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1955 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1957 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1961 *-------------------------------------------------------------------
1963 *-------------------------------------------------------------------
1966 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1971 /* This is a hack, but work far the best, at least for single pointer systems.
1972 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
1974 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
1978 pr = PIXBUF_RENDERER(widget);
1980 if (pr->scroller_id)
1982 pr->scroller_xpos = bevent->x;
1983 pr->scroller_ypos = bevent->y;
1986 pr->x_mouse = bevent->x;
1987 pr->y_mouse = bevent->y;
1988 pr_update_pixel_signal(pr);
1990 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
1992 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
1998 widget_set_cursor(widget, GDK_FLEUR);
2001 if (bevent->state & GDK_CONTROL_MASK)
2003 accel = PR_PAN_SHIFT_MULTIPLIER;
2011 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2012 (pr->drag_last_y - bevent->y) * accel);
2014 pr_drag_signal(pr, bevent);
2016 pr->drag_last_x = bevent->x;
2017 pr->drag_last_y = bevent->y;
2019 /* This is recommended by the GTK+ documentation, but does not work properly.
2020 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2021 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2023 /* gdk_event_request_motions (bevent); */
2027 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2031 pr = PIXBUF_RENDERER(widget);
2035 pr_update_pixel_signal(pr);
2039 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2044 pr = PIXBUF_RENDERER(widget);
2046 if (pr->scroller_id) return TRUE;
2048 switch (bevent->button)
2050 case MOUSE_BUTTON_LEFT:
2052 pr->drag_last_x = bevent->x;
2053 pr->drag_last_y = bevent->y;
2055 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2056 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2057 NULL, NULL, bevent->time);
2058 gtk_grab_add(widget);
2060 case MOUSE_BUTTON_MIDDLE:
2063 case MOUSE_BUTTON_RIGHT:
2064 pr_clicked_signal(pr, bevent);
2070 parent = gtk_widget_get_parent(widget);
2071 #if GTK_CHECK_VERSION(2,20,0)
2072 if (widget && gtk_widget_get_can_focus(parent))
2074 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2077 gtk_widget_grab_focus(parent);
2083 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2087 pr = PIXBUF_RENDERER(widget);
2089 if (pr->scroller_id)
2091 pr_scroller_stop(pr);
2095 #if GTK_CHECK_VERSION(2,20,0)
2096 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2098 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2101 gtk_grab_remove(widget);
2102 gdk_pointer_ungrab(bevent->time);
2103 widget_set_cursor(widget, -1);
2106 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2108 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2110 pr_scroller_start(pr, bevent->x, bevent->y);
2112 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2114 pr_clicked_signal(pr, bevent);
2118 pr->in_drag = FALSE;
2123 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2127 pr = PIXBUF_RENDERER(widget);
2129 if (pr->scroller_id)
2131 pr->scroller_xpos = pr->scroller_x;
2132 pr->scroller_ypos = pr->scroller_y;
2133 pr->scroller_xinc = 0;
2134 pr->scroller_yinc = 0;
2140 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2144 pr = PIXBUF_RENDERER(widget);
2146 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2149 static void pr_signals_connect(PixbufRenderer *pr)
2151 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2152 G_CALLBACK(pr_mouse_motion_cb), pr);
2153 g_signal_connect(G_OBJECT(pr), "button_press_event",
2154 G_CALLBACK(pr_mouse_press_cb), pr);
2155 g_signal_connect(G_OBJECT(pr), "button_release_event",
2156 G_CALLBACK(pr_mouse_release_cb), pr);
2157 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2158 G_CALLBACK(pr_mouse_leave_cb), pr);
2159 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2160 G_CALLBACK(pr_leave_notify_cb), pr);
2162 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2163 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2164 GDK_LEAVE_NOTIFY_MASK);
2166 g_signal_connect(G_OBJECT(pr), "drag_begin",
2167 G_CALLBACK(pr_mouse_drag_cb), pr);
2172 *-------------------------------------------------------------------
2174 *-------------------------------------------------------------------
2177 #define COLOR_BYTES 3 /* rgb */
2178 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2181 guchar *s_pix, *d_pix;
2186 srs = gdk_pixbuf_get_rowstride(right);
2187 s_pix = gdk_pixbuf_get_pixels(right);
2188 spi = s_pix + (x * COLOR_BYTES);
2190 drs = gdk_pixbuf_get_rowstride(pixbuf);
2191 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2192 dpi = d_pix + x * COLOR_BYTES;
2194 for (i = y; i < y + h; i++)
2196 sp = spi + (i * srs);
2197 dp = dpi + (i * drs);
2198 for (j = 0; j < w; j++)
2200 *dp = *sp; /* copy red channel */
2207 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2210 guchar *s_pix, *d_pix;
2214 const double gc[3] = {0.299, 0.587, 0.114};
2216 srs = gdk_pixbuf_get_rowstride(right);
2217 s_pix = gdk_pixbuf_get_pixels(right);
2218 spi = s_pix + (x * COLOR_BYTES);
2220 drs = gdk_pixbuf_get_rowstride(pixbuf);
2221 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2222 dpi = d_pix + x * COLOR_BYTES;
2224 for (i = y; i < y + h; i++)
2226 sp = spi + (i * srs);
2227 dp = dpi + (i * drs);
2228 for (j = 0; j < w; j++)
2230 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2231 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2232 dp[0] = g2; /* red channel from sp */
2233 dp[1] = g1; /* green and blue from dp */
2241 const double pr_dubois_matrix[3][6] = {
2242 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2243 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2244 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2247 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2250 guchar *s_pix, *d_pix;
2255 srs = gdk_pixbuf_get_rowstride(right);
2256 s_pix = gdk_pixbuf_get_pixels(right);
2257 spi = s_pix + (x * COLOR_BYTES);
2259 drs = gdk_pixbuf_get_rowstride(pixbuf);
2260 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2261 dpi = d_pix + x * COLOR_BYTES;
2263 for (i = y; i < y + h; i++)
2265 sp = spi + (i * srs);
2266 dp = dpi + (i * drs);
2267 for (j = 0; j < w; j++)
2270 for (k = 0; k < 3; k++)
2272 const double *m = pr_dubois_matrix[k];
2273 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];
2274 if (res[k] < 0.0) res[k] = 0;
2275 if (res[k] > 255.0) res[k] = 255.0;
2286 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2288 if (mode & PR_STEREO_ANAGLYPH_RC)
2289 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2290 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2291 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2292 else if (mode & PR_STEREO_ANAGLYPH_DB)
2293 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2297 *-------------------------------------------------------------------
2299 *-------------------------------------------------------------------
2301 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2303 pr->stereo_pixbuf_offset_left = 0;
2304 pr->stereo_pixbuf_offset_right = 0;
2305 if (!pr->pixbuf) return;
2306 switch (pr->orientation)
2308 case EXIF_ORIENTATION_LEFT_TOP:
2309 case EXIF_ORIENTATION_RIGHT_TOP:
2310 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2311 case EXIF_ORIENTATION_LEFT_BOTTOM:
2312 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2313 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2314 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2316 pr->image_height /= 2;
2317 pr->stereo_pixbuf_offset_right = pr->image_height;
2319 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2321 pr->image_height /= 2;
2322 pr->stereo_pixbuf_offset_left = pr->image_height;
2327 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2328 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2329 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2331 pr->image_width /= 2;
2332 pr->stereo_pixbuf_offset_right = pr->image_width;
2334 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2336 pr->image_width /= 2;
2337 pr->stereo_pixbuf_offset_left = pr->image_width;
2342 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2344 if (pixbuf) g_object_ref(pixbuf);
2345 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2346 pr->pixbuf = pixbuf;
2352 /* no pixbuf so just clear the window */
2353 pr->image_width = 0;
2354 pr->image_height = 0;
2356 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2357 and used for pixbuf_renderer_zoom_get */
2359 box = GTK_WIDGET(pr);
2361 #if GTK_CHECK_VERSION(2,20,0)
2362 if (gtk_widget_get_realized(box))
2364 if (GTK_WIDGET_REALIZED(box))
2367 #if !GTK_CHECK_VERSION(3,0,0)
2368 gdk_window_clear(gtk_widget_get_window(box));
2370 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2371 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2374 pr_update_signal(pr);
2379 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2381 gint disable = !pr->pixbuf || ! pr->stereo_data;
2382 pr_stereo_temp_disable(pr, disable);
2385 pr_pixbuf_size_sync(pr);
2386 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2387 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2388 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2391 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2393 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2395 pr_source_tile_unset(pr);
2397 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2399 pr_update_signal(pr);
2402 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2404 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2406 pr_source_tile_unset(pr);
2408 pr->orientation = orientation;
2409 pr->stereo_data = stereo_data;
2410 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2412 pr_update_signal(pr);
2415 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2417 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2422 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2424 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2426 pr->orientation = orientation;
2428 pr_pixbuf_size_sync(pr);
2431 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2432 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2434 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2436 pr->renderer->update_sizes(pr->renderer);
2437 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
2440 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2443 return pr->orientation;
2446 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2448 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2450 pr->stereo_data = stereo_data;
2452 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2454 gint disable = !pr->pixbuf || ! pr->stereo_data;
2455 pr_stereo_temp_disable(pr, disable);
2457 pr_pixbuf_size_sync(pr);
2458 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2459 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2460 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2463 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2465 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2467 pr->func_post_process = func;
2468 pr->post_process_user_data = user_data;
2469 pr->post_process_slow = func && slow;
2474 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2477 PixbufRendererScrollResetType scroll_reset;
2479 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2480 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2482 if (pr == source) return;
2484 object = G_OBJECT(pr);
2486 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2487 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2488 g_object_set(object, "loading", source->loading, NULL);
2490 pr->complete = source->complete;
2492 pr->x_scroll = source->x_scroll;
2493 pr->y_scroll = source->y_scroll;
2494 pr->x_mouse = source->x_mouse;
2495 pr->y_mouse = source->y_mouse;
2497 scroll_reset = pr->scroll_reset;
2498 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2500 pr->func_post_process = source->func_post_process;
2501 pr->post_process_user_data = source->post_process_user_data;
2502 pr->post_process_slow = source->post_process_slow;
2503 pr->orientation = source->orientation;
2504 pr->stereo_data = source->stereo_data;
2506 if (source->source_tiles_enabled)
2508 pr_source_tile_unset(pr);
2510 pr->source_tiles_enabled = source->source_tiles_enabled;
2511 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2512 pr->source_tile_width = source->source_tile_width;
2513 pr->source_tile_height = source->source_tile_height;
2514 pr->image_width = source->image_width;
2515 pr->image_height = source->image_height;
2517 pr->func_tile_request = source->func_tile_request;
2518 pr->func_tile_dispose = source->func_tile_dispose;
2519 pr->func_tile_data = source->func_tile_data;
2521 pr->source_tiles = source->source_tiles;
2522 source->source_tiles = NULL;
2524 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2528 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2531 pr->scroll_reset = scroll_reset;
2533 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2534 // pr_queue_clear(source);
2535 // pr_tile_free_all(source);
2538 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2540 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2542 if (pr->source_tiles_enabled)
2544 pr_source_tile_changed(pr, x, y, w, h);
2547 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2548 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2551 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2553 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2555 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2558 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2560 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2562 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2565 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2567 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2569 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2572 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2574 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2579 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2581 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2586 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2588 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2590 if (min > 1.0 || max < 1.0) return;
2591 if (min < 1.0 && min > -1.0) return;
2592 if (min < -200.0 || max > 200.0) return;
2594 if (pr->zoom_min != min)
2597 g_object_notify(G_OBJECT(pr), "zoom_min");
2599 if (pr->zoom_max != max)
2602 g_object_notify(G_OBJECT(pr), "zoom_max");
2606 static void pr_stereo_set(PixbufRenderer *pr)
2608 if (!pr->renderer) pr->renderer = RENDERER_NEW(pr);
2610 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2612 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2614 if (!pr->renderer2) pr->renderer2 = RENDERER_NEW(pr);
2615 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2619 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2620 pr->renderer2 = NULL;
2622 if (pr->stereo_mode & PR_STEREO_HALF)
2624 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2625 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2626 else pr->aspect_ratio = 1.0;
2630 pr->aspect_ratio = 1.0;
2634 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2636 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2637 pr->stereo_mode = stereo_mode;
2638 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2640 pr->stereo_temp_disable = FALSE;
2646 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2647 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2651 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2653 pr->stereo_fixed_width = width;
2654 pr->stereo_fixed_height = height;
2655 pr->stereo_fixed_x_left = x1;
2656 pr->stereo_fixed_y_left = y1;
2657 pr->stereo_fixed_x_right = x2;
2658 pr->stereo_fixed_y_right = y2;
2661 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2663 return pr->stereo_mode;
2666 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2668 if (pr->stereo_temp_disable == disable) return;
2669 pr->stereo_temp_disable = disable;
2672 if (!pr->renderer) pr->renderer = RENDERER_NEW(pr);
2673 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2674 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2675 pr->renderer2 = NULL;
2676 pr->aspect_ratio = 1.0;
2682 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2685 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2686 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2688 GdkPixbuf *pb = pr->pixbuf;
2691 gint map_x, map_y, map_w, map_h;
2693 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2694 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2696 if (!pr->pixbuf && !pr->source_tiles_enabled)
2704 if (!pb) return FALSE;
2706 pr_tile_region_map_orientation(pr->orientation,
2708 pr->image_width, pr->image_height,
2709 1, 1, /*single pixel */
2713 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2714 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2716 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2717 prs = gdk_pixbuf_get_rowstride(pb);
2718 p_pix = gdk_pixbuf_get_pixels(pb);
2720 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2730 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2732 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2734 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2735 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2737 if (!pr->pixbuf && !pr->source_tiles_enabled)
2739 *x_pixel_return = -1;
2740 *y_pixel_return = -1;
2744 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2745 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2746 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2747 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2749 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2751 /* mouse is not on pr */
2752 x_pixel = y_pixel = -1;
2755 *x_pixel_return = x_pixel;
2756 *y_pixel_return = y_pixel;
2761 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2763 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2764 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2766 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2773 *width = pr->image_width;
2774 *height = pr->image_height;
2778 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2780 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2781 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2783 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2791 *height = pr->height;
2795 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2797 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2798 g_return_val_if_fail(rect != NULL, FALSE);
2800 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2810 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2811 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2812 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2813 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2817 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2819 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2820 g_return_val_if_fail(rect != NULL, FALSE);
2822 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2831 rect->x = pr->x_scroll;
2832 rect->y = pr->y_scroll;
2833 rect->width = pr->vis_width;
2834 rect->height = pr->vis_height;
2838 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2843 zoom = pixbuf_renderer_zoom_get(pr);
2844 pr->image_width = width;
2845 pr->image_height = height;
2847 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2852 //pr->width = width;
2853 //pr->height = height;
2856 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */