4 * Copyright (C) 2008 - 2012 The Geeqie Team
8 * This software is released under the GNU General Public License (GNU GPL).
9 * Please read the included file COPYING for more information.
10 * This software comes with no warranty of any kind, use at your own risk!
19 #include "pixbuf-renderer.h"
20 #include "renderer-tiles.h"
21 #include "renderer-clutter.h"
28 #define RENDERER_NEW(pr) renderer_clutter_new(pr)
30 /* comment this out if not using this from within Geeqie
31 * defining GQ_BUILD does these things:
32 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
38 #include "pixbuf_util.h"
42 EXIF_ORIENTATION_UNKNOWN = 0,
43 EXIF_ORIENTATION_TOP_LEFT = 1,
44 EXIF_ORIENTATION_TOP_RIGHT = 2,
45 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
46 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
47 EXIF_ORIENTATION_LEFT_TOP = 5,
48 EXIF_ORIENTATION_RIGHT_TOP = 6,
49 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
50 EXIF_ORIENTATION_LEFT_BOTTOM = 8
51 } ExifOrientationType;
55 /* default min and max zoom */
56 #define PR_ZOOM_MIN -32.0
57 #define PR_ZOOM_MAX 32.0
59 /* distance to drag mouse to disable image flip */
60 #define PR_DRAG_SCROLL_THRESHHOLD 4
62 /* increase pan rate when holding down shift */
63 #define PR_PAN_SHIFT_MULTIPLIER 6
66 #define PR_SCROLLER_UPDATES_PER_SEC 30
67 #define PR_SCROLLER_DEAD_ZONE 6
69 /* when scaling image to below this size, use nearest pixel for scaling
70 * (below about 4, the other scale types become slow generating their conversion tables)
72 #define PR_MIN_SCALE_SIZE 8
78 SIGNAL_RENDER_COMPLETE,
95 PROP_CACHE_SIZE_DISPLAY,
96 PROP_CACHE_SIZE_TILES,
99 PROP_WINDOW_LIMIT_VALUE,
101 PROP_AUTOFIT_LIMIT_VALUE
106 PR_ZOOM_FORCE = 1 << 0,
107 PR_ZOOM_NEW = 1 << 1,
108 PR_ZOOM_CENTER = 1 << 2,
109 PR_ZOOM_INVALIDATE = 1 << 3,
110 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
113 static guint signals[SIGNAL_COUNT] = { 0 };
114 static GtkEventBoxClass *parent_class = NULL;
118 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
119 static void pixbuf_renderer_init(PixbufRenderer *pr);
120 static void pixbuf_renderer_finalize(GObject *object);
121 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
122 const GValue *value, GParamSpec *pspec);
123 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
124 GValue *value, GParamSpec *pspec);
125 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
128 static void pr_source_tile_free_all(PixbufRenderer *pr);
130 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
131 PrZoomFlags flags, gint px, gint py);
133 static void pr_signals_connect(PixbufRenderer *pr);
134 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
135 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
139 *-------------------------------------------------------------------
140 * Pixbuf Renderer object
141 *-------------------------------------------------------------------
144 GType pixbuf_renderer_get_type(void)
146 static GType pixbuf_renderer_type = 0;
148 if (!pixbuf_renderer_type)
150 static const GTypeInfo pixbuf_renderer_info =
152 sizeof(PixbufRendererClass), /* class_size */
153 NULL, /* base_init */
154 NULL, /* base_finalize */
155 (GClassInitFunc)pixbuf_renderer_class_init,
156 NULL, /* class_finalize */
157 NULL, /* class_data */
158 sizeof(PixbufRenderer), /* instance_size */
160 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
161 NULL, /* value_table */
164 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
165 &pixbuf_renderer_info, 0);
168 return pixbuf_renderer_type;
171 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
173 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
175 parent_class = g_type_class_peek_parent(class);
177 gobject_class->set_property = pixbuf_renderer_set_property;
178 gobject_class->get_property = pixbuf_renderer_get_property;
180 gobject_class->finalize = pixbuf_renderer_finalize;
182 g_object_class_install_property(gobject_class,
184 g_param_spec_double("zoom_min",
190 G_PARAM_READABLE | G_PARAM_WRITABLE));
192 g_object_class_install_property(gobject_class,
194 g_param_spec_double("zoom_max",
200 G_PARAM_READABLE | G_PARAM_WRITABLE));
202 g_object_class_install_property(gobject_class,
204 g_param_spec_uint("zoom_quality",
210 G_PARAM_READABLE | G_PARAM_WRITABLE));
212 g_object_class_install_property(gobject_class,
214 g_param_spec_boolean("zoom_2pass",
218 G_PARAM_READABLE | G_PARAM_WRITABLE));
220 g_object_class_install_property(gobject_class,
222 g_param_spec_boolean("zoom_expand",
223 "Expand image in autozoom.",
226 G_PARAM_READABLE | G_PARAM_WRITABLE));
227 g_object_class_install_property(gobject_class,
229 g_param_spec_uint("scroll_reset",
230 "New image scroll reset",
232 PR_SCROLL_RESET_TOPLEFT,
233 PR_SCROLL_RESET_NOCHANGE,
234 PR_SCROLL_RESET_TOPLEFT,
235 G_PARAM_READABLE | G_PARAM_WRITABLE));
237 g_object_class_install_property(gobject_class,
239 g_param_spec_boolean("delay_flip",
240 "Delay image update",
243 G_PARAM_READABLE | G_PARAM_WRITABLE));
245 g_object_class_install_property(gobject_class,
247 g_param_spec_boolean("loading",
248 "Image actively loading",
251 G_PARAM_READABLE | G_PARAM_WRITABLE));
253 g_object_class_install_property(gobject_class,
255 g_param_spec_boolean("complete",
256 "Image rendering complete",
259 G_PARAM_READABLE | G_PARAM_WRITABLE));
261 g_object_class_install_property(gobject_class,
262 PROP_CACHE_SIZE_DISPLAY,
263 g_param_spec_uint("cache_display",
264 "Display cache size MB",
268 PR_CACHE_SIZE_DEFAULT,
269 G_PARAM_READABLE | G_PARAM_WRITABLE));
271 g_object_class_install_property(gobject_class,
272 PROP_CACHE_SIZE_TILES,
273 g_param_spec_uint("cache_tiles",
275 "Number of tiles to retain in memory at any one time.",
278 PR_CACHE_SIZE_DEFAULT,
279 G_PARAM_READABLE | G_PARAM_WRITABLE));
281 g_object_class_install_property(gobject_class,
283 g_param_spec_boolean("window_fit",
284 "Fit window to image size",
287 G_PARAM_READABLE | G_PARAM_WRITABLE));
289 g_object_class_install_property(gobject_class,
291 g_param_spec_boolean("window_limit",
292 "Limit size of parent window",
295 G_PARAM_READABLE | G_PARAM_WRITABLE));
297 g_object_class_install_property(gobject_class,
298 PROP_WINDOW_LIMIT_VALUE,
299 g_param_spec_uint("window_limit_value",
300 "Size limit of parent window",
305 G_PARAM_READABLE | G_PARAM_WRITABLE));
307 g_object_class_install_property(gobject_class,
309 g_param_spec_boolean("autofit_limit",
310 "Limit size of image when autofitting",
313 G_PARAM_READABLE | G_PARAM_WRITABLE));
315 g_object_class_install_property(gobject_class,
316 PROP_AUTOFIT_LIMIT_VALUE,
317 g_param_spec_uint("autofit_limit_value",
318 "Size limit of image when autofitting",
323 G_PARAM_READABLE | G_PARAM_WRITABLE));
326 signals[SIGNAL_ZOOM] =
328 G_OBJECT_CLASS_TYPE(gobject_class),
330 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
332 g_cclosure_marshal_VOID__DOUBLE,
336 signals[SIGNAL_CLICKED] =
337 g_signal_new("clicked",
338 G_OBJECT_CLASS_TYPE(gobject_class),
340 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
342 g_cclosure_marshal_VOID__BOXED,
346 signals[SIGNAL_SCROLL_NOTIFY] =
347 g_signal_new("scroll-notify",
348 G_OBJECT_CLASS_TYPE(gobject_class),
350 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
352 g_cclosure_marshal_VOID__VOID,
355 signals[SIGNAL_RENDER_COMPLETE] =
356 g_signal_new("render-complete",
357 G_OBJECT_CLASS_TYPE(gobject_class),
359 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
361 g_cclosure_marshal_VOID__VOID,
364 signals[SIGNAL_DRAG] =
366 G_OBJECT_CLASS_TYPE(gobject_class),
368 G_STRUCT_OFFSET(PixbufRendererClass, drag),
370 g_cclosure_marshal_VOID__BOXED,
374 signals[SIGNAL_UPDATE_PIXEL] =
375 g_signal_new("update-pixel",
376 G_OBJECT_CLASS_TYPE(gobject_class),
378 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
380 g_cclosure_marshal_VOID__VOID,
384 static void pixbuf_renderer_init(PixbufRenderer *pr)
388 box = GTK_WIDGET(pr);
390 pr->zoom_min = PR_ZOOM_MIN;
391 pr->zoom_max = PR_ZOOM_MAX;
392 pr->zoom_quality = GDK_INTERP_BILINEAR;
393 pr->zoom_2pass = FALSE;
397 pr->aspect_ratio = 1.0;
399 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
402 pr->scroller_overlay = -1;
407 pr->source_tiles_enabled = FALSE;
408 pr->source_tiles = NULL;
412 pr->norm_center_x = 0.5;
413 pr->norm_center_y = 0.5;
415 pr->stereo_mode = PR_STEREO_NONE;
417 pr->renderer = RENDERER_NEW(pr);
419 pr->renderer2 = NULL;
421 gtk_widget_set_double_buffered(box, FALSE);
422 g_signal_connect_after(G_OBJECT(box), "size_allocate",
423 G_CALLBACK(pr_size_cb), pr);
425 pr_signals_connect(pr);
428 static void pixbuf_renderer_finalize(GObject *object)
432 pr = PIXBUF_RENDERER(object);
434 pr->renderer->free(pr->renderer);
435 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
438 if (pr->pixbuf) g_object_unref(pr->pixbuf);
440 pr_scroller_timer_set(pr, FALSE);
442 pr_source_tile_free_all(pr);
445 PixbufRenderer *pixbuf_renderer_new(void)
447 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
450 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
451 const GValue *value, GParamSpec *pspec)
455 pr = PIXBUF_RENDERER(object);
460 pr->zoom_min = g_value_get_double(value);
463 pr->zoom_max = g_value_get_double(value);
465 case PROP_ZOOM_QUALITY:
466 pr->zoom_quality = g_value_get_uint(value);
468 case PROP_ZOOM_2PASS:
469 pr->zoom_2pass = g_value_get_boolean(value);
471 case PROP_ZOOM_EXPAND:
472 pr->zoom_expand = g_value_get_boolean(value);
474 case PROP_SCROLL_RESET:
475 pr->scroll_reset = g_value_get_uint(value);
477 case PROP_DELAY_FLIP:
478 pr->delay_flip = g_value_get_boolean(value);
481 pr->loading = g_value_get_boolean(value);
484 pr->complete = g_value_get_boolean(value);
486 case PROP_CACHE_SIZE_DISPLAY:
487 // pr->tile_cache_max = g_value_get_uint(value);
489 case PROP_CACHE_SIZE_TILES:
490 pr->source_tiles_cache_size = g_value_get_uint(value);
492 case PROP_WINDOW_FIT:
493 pr->window_fit = g_value_get_boolean(value);
495 case PROP_WINDOW_LIMIT:
496 pr->window_limit = g_value_get_boolean(value);
498 case PROP_WINDOW_LIMIT_VALUE:
499 pr->window_limit_size = g_value_get_uint(value);
501 case PROP_AUTOFIT_LIMIT:
502 pr->autofit_limit = g_value_get_boolean(value);
504 case PROP_AUTOFIT_LIMIT_VALUE:
505 pr->autofit_limit_size = g_value_get_uint(value);
508 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
513 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
514 GValue *value, GParamSpec *pspec)
518 pr = PIXBUF_RENDERER(object);
523 g_value_set_double(value, pr->zoom_min);
526 g_value_set_double(value, pr->zoom_max);
528 case PROP_ZOOM_QUALITY:
529 g_value_set_uint(value, pr->zoom_quality);
531 case PROP_ZOOM_2PASS:
532 g_value_set_boolean(value, pr->zoom_2pass);
534 case PROP_ZOOM_EXPAND:
535 g_value_set_boolean(value, pr->zoom_expand);
537 case PROP_SCROLL_RESET:
538 g_value_set_uint(value, pr->scroll_reset);
540 case PROP_DELAY_FLIP:
541 g_value_set_boolean(value, pr->delay_flip);
544 g_value_set_boolean(value, pr->loading);
547 g_value_set_boolean(value, pr->complete);
549 case PROP_CACHE_SIZE_DISPLAY:
550 // g_value_set_uint(value, pr->tile_cache_max);
552 case PROP_CACHE_SIZE_TILES:
553 g_value_set_uint(value, pr->source_tiles_cache_size);
555 case PROP_WINDOW_FIT:
556 g_value_set_boolean(value, pr->window_fit);
558 case PROP_WINDOW_LIMIT:
559 g_value_set_boolean(value, pr->window_limit);
561 case PROP_WINDOW_LIMIT_VALUE:
562 g_value_set_uint(value, pr->window_limit_size);
564 case PROP_AUTOFIT_LIMIT:
565 g_value_set_boolean(value, pr->autofit_limit);
567 case PROP_AUTOFIT_LIMIT_VALUE:
568 g_value_set_uint(value, pr->autofit_limit_size);
571 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
578 *-------------------------------------------------------------------
580 *-------------------------------------------------------------------
583 static void widget_set_cursor(GtkWidget *widget, gint icon)
587 if (!gtk_widget_get_window(widget)) return;
595 cursor = gdk_cursor_new(icon);
598 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
600 if (cursor) gdk_cursor_unref(cursor);
603 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
604 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
605 gint *rx, gint *ry, gint *rw, gint *rh)
607 if (clip_x + clip_w <= x ||
609 clip_y + clip_h <= y ||
615 *rx = MAX(x, clip_x);
616 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
618 *ry = MAX(y, clip_y);
619 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
624 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
626 GdkWindowState state;
628 if (!pr->parent_window) return FALSE;
629 if (!pr->window_fit) return FALSE;
630 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
632 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
633 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
634 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
639 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
644 GtkAllocation widget_allocation;
645 GtkAllocation parent_allocation;
647 if (!pr_parent_window_sizable(pr)) return FALSE;
649 if (pr->window_limit)
651 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
652 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
658 widget = GTK_WIDGET(pr);
659 parent = GTK_WIDGET(pr->parent_window);
661 gtk_widget_get_allocation(widget, &widget_allocation);
662 gtk_widget_get_allocation(parent, &parent_allocation);
664 w += (parent_allocation.width - widget_allocation.width);
665 h += (parent_allocation.height - widget_allocation.height);
667 ww = gdk_window_get_width(gtk_widget_get_window(parent));
668 wh = gdk_window_get_height(gtk_widget_get_window(parent));
669 if (w == ww && h == wh) return FALSE;
671 gdk_window_resize(gtk_widget_get_window(parent), w, h);
676 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
678 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
679 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
681 pr->parent_window = GTK_WIDGET(window);
684 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
686 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
688 return GTK_WINDOW(pr->parent_window);
693 *-------------------------------------------------------------------
695 *-------------------------------------------------------------------
699 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
700 OverlayRendererFlags flags)
702 /* let's assume both renderers returns the same value */
703 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
704 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
707 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
709 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
710 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
713 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
715 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
716 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
719 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
721 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
722 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
726 *-------------------------------------------------------------------
728 *-------------------------------------------------------------------
732 static gboolean pr_scroller_update_cb(gpointer data)
734 PixbufRenderer *pr = data;
738 /* this was a simple scroll by difference between scroller and mouse position,
739 * but all this math results in a smoother result and accounts for a dead zone.
742 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
748 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
749 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
750 x += (x > 0) ? -shift : shift;
753 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
759 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
760 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
761 y += (y > 0) ? -shift : shift;
764 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
770 xinc = pr->scroller_xinc;
774 if (xinc < 0) xinc = 0;
775 if (x < xinc) xinc = x;
776 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
780 if (xinc > 0) xinc = 0;
781 if (x > xinc) xinc = x;
782 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
786 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
792 yinc = pr->scroller_yinc;
796 if (yinc < 0) yinc = 0;
797 if (y < yinc) yinc = y;
798 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
802 if (yinc > 0) yinc = 0;
803 if (y > yinc) yinc = y;
804 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
808 pr->scroller_xinc = xinc;
809 pr->scroller_yinc = yinc;
811 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
812 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
814 pixbuf_renderer_scroll(pr, xinc, yinc);
819 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
823 g_source_remove(pr->scroller_id);
829 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
830 pr_scroller_update_cb, pr);
834 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
836 if (pr->scroller_overlay == -1)
842 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
844 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
845 gdk_pixbuf_fill(pixbuf, 0x000000ff);
847 w = gdk_pixbuf_get_width(pixbuf);
848 h = gdk_pixbuf_get_height(pixbuf);
850 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
851 g_object_unref(pixbuf);
856 pr->scroller_xpos = x;
857 pr->scroller_ypos = y;
859 pr_scroller_timer_set(pr, TRUE);
862 static void pr_scroller_stop(PixbufRenderer *pr)
864 if (!pr->scroller_id) return;
866 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
867 pr->scroller_overlay = -1;
869 pr_scroller_timer_set(pr, FALSE);
873 *-------------------------------------------------------------------
875 *-------------------------------------------------------------------
878 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
883 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
885 widget = GTK_WIDGET(pr);
890 style = gtk_style_copy(gtk_widget_get_style(widget));
891 slot = &style->bg[GTK_STATE_NORMAL];
893 slot->red = color->red;
894 slot->green = color->green;
895 slot->blue = color->blue;
898 style = gtk_style_copy(gtk_widget_get_default_style());
901 gtk_widget_set_style(widget, style);
903 pr->renderer->update_sizes(pr->renderer);
904 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
908 *-------------------------------------------------------------------
910 *-------------------------------------------------------------------
913 static void pr_source_tile_free(SourceTile *st)
917 if (st->pixbuf) g_object_unref(st->pixbuf);
921 static void pr_source_tile_free_all(PixbufRenderer *pr)
925 work = pr->source_tiles;
933 pr_source_tile_free(st);
936 g_list_free(pr->source_tiles);
937 pr->source_tiles = NULL;
940 static void pr_source_tile_unset(PixbufRenderer *pr)
942 pr_source_tile_free_all(pr);
943 pr->source_tiles_enabled = FALSE;
946 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
950 if (!st) return FALSE;
952 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
953 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
954 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
955 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
958 x2 = pr->x_scroll + pr->vis_width;
959 y2 = pr->y_scroll + pr->vis_height;
961 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
962 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
963 (gdouble)st->y * pr->scale > (gdouble)y2 ||
964 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
967 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
969 SourceTile *st = NULL;
972 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
974 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
976 count = g_list_length(pr->source_tiles);
977 if (count >= pr->source_tiles_cache_size)
981 work = g_list_last(pr->source_tiles);
982 while (work && count >= pr->source_tiles_cache_size)
989 if (!pr_source_tile_visible(pr, needle))
991 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
993 if (pr->func_tile_dispose)
995 pr->func_tile_dispose(pr, needle->x, needle->y,
996 pr->source_tile_width, pr->source_tile_height,
997 needle->pixbuf, pr->func_tile_data);
1006 pr_source_tile_free(needle);
1016 st = g_new0(SourceTile, 1);
1017 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1018 pr->source_tile_width, pr->source_tile_height);
1021 st->x = ROUND_DOWN(x, pr->source_tile_width);
1022 st->y = ROUND_DOWN(y, pr->source_tile_height);
1025 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1030 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1034 st = pr_source_tile_new(pr, x, y);
1035 if (!st) return NULL;
1037 if (pr->func_tile_request &&
1038 pr->func_tile_request(pr, st->x, st->y,
1039 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1044 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1045 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1046 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1047 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1051 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1055 work = pr->source_tiles;
1058 SourceTile *st = work->data;
1060 if (x >= st->x && x < st->x + pr->source_tile_width &&
1061 y >= st->y && y < st->y + pr->source_tile_height)
1063 if (work != pr->source_tiles)
1065 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1066 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1077 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1085 if (w > pr->image_width) w = pr->image_width;
1086 if (h > pr->image_height) h = pr->image_height;
1088 sx = ROUND_DOWN(x, pr->source_tile_width);
1089 sy = ROUND_DOWN(y, pr->source_tile_height);
1091 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1093 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1097 st = pr_source_tile_find(pr, x1, y1);
1098 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1100 if (st) list = g_list_prepend(list, st);
1104 return g_list_reverse(list);
1107 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1111 if (width < 1 || height < 1) return;
1113 work = pr->source_tiles;
1117 gint rx, ry, rw, rh;
1122 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1123 x, y, width, height,
1124 &rx, &ry, &rw, &rh))
1128 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1129 if (pr->func_tile_request &&
1130 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1132 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1133 rw * pr->scale, rh * pr->scale);
1134 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1135 rw * pr->scale, rh * pr->scale);
1137 g_object_unref(pixbuf);
1142 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1143 gint tile_width, gint tile_height, gint cache_size,
1144 PixbufRendererTileRequestFunc func_request,
1145 PixbufRendererTileDisposeFunc func_dispose,
1149 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1150 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1151 g_return_if_fail(width >= 32 && height > 32);
1152 g_return_if_fail(func_request != NULL);
1154 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1157 pr_source_tile_unset(pr);
1159 if (cache_size < 4) cache_size = 4;
1161 pr->source_tiles_enabled = TRUE;
1162 pr->source_tiles_cache_size = cache_size;
1163 pr->source_tile_width = tile_width;
1164 pr->source_tile_height = tile_height;
1166 pr->image_width = width;
1167 pr->image_height = height;
1169 pr->func_tile_request = func_request;
1170 pr->func_tile_dispose = func_dispose;
1171 pr->func_tile_data = user_data;
1173 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1176 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1178 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1179 g_return_if_fail(width >= 32 && height > 32);
1181 if (!pr->source_tiles_enabled) return;
1182 if (pr->image_width == width && pr->image_height == height) return;
1184 pr->image_width = width;
1185 pr->image_height = height;
1187 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1190 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1192 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1194 return pr->source_tiles_enabled;
1197 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1198 PrZoomFlags flags, gint x, gint y)
1200 gdouble zoom = pr->zoom;
1202 if (increment == 0.0) return;
1206 if (pr->scale < 1.0)
1208 zoom = 0.0 - 1.0 / pr->scale;
1216 if (increment < 0.0)
1218 if (zoom >= 1.0 && zoom + increment < 1.0)
1220 zoom = zoom + increment - 2.0;
1224 zoom = zoom + increment;
1229 if (zoom <= -1.0 && zoom + increment > -1.0)
1231 zoom = zoom + increment + 2.0;
1235 zoom = zoom + increment;
1239 pr_zoom_sync(pr, zoom, flags, x, y);
1244 *-------------------------------------------------------------------
1246 *-------------------------------------------------------------------
1249 static void pr_update_signal(PixbufRenderer *pr)
1252 log_printf("FIXME: send updated signal\n");
1254 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1255 pr->debug_updated = TRUE;
1258 static void pr_zoom_signal(PixbufRenderer *pr)
1260 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1263 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1265 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1268 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1270 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1273 void pr_render_complete_signal(PixbufRenderer *pr)
1277 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1278 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1280 if (pr->debug_updated)
1282 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1283 pr->debug_updated = FALSE;
1287 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1289 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1292 static void pr_update_pixel_signal(PixbufRenderer *pr)
1294 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1298 *-------------------------------------------------------------------
1300 *-------------------------------------------------------------------
1304 void pr_tile_coords_map_orientation(gint orientation,
1305 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1306 gdouble image_w, gdouble image_h,
1307 gdouble tile_w, gdouble tile_h,
1308 gdouble *res_x, gdouble *res_y)
1312 switch (orientation)
1314 case EXIF_ORIENTATION_TOP_LEFT:
1315 /* normal -- nothing to do */
1317 case EXIF_ORIENTATION_TOP_RIGHT:
1319 *res_x = image_w - tile_x - tile_w;
1321 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1323 *res_x = image_w - tile_x - tile_w;
1324 *res_y = image_h - tile_y - tile_h;
1326 case EXIF_ORIENTATION_BOTTOM_LEFT:
1328 *res_y = image_h - tile_y - tile_h;
1330 case EXIF_ORIENTATION_LEFT_TOP:
1334 case EXIF_ORIENTATION_RIGHT_TOP:
1335 /* rotated -90 (270) */
1337 *res_y = image_w - tile_x - tile_w;
1339 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1340 *res_x = image_h - tile_y - tile_h;
1341 *res_y = image_w - tile_x - tile_w;
1343 case EXIF_ORIENTATION_LEFT_BOTTOM:
1345 *res_x = image_h - tile_y - tile_h;
1349 /* The other values are out of range */
1352 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1355 void pr_tile_region_map_orientation(gint orientation,
1356 gint area_x, gint area_y, /* coordinates of the area inside tile */
1357 gint tile_w, gint tile_h,
1358 gint area_w, gint area_h,
1359 gint *res_x, gint *res_y,
1360 gint *res_w, gint *res_h)
1367 switch (orientation)
1369 case EXIF_ORIENTATION_TOP_LEFT:
1370 /* normal -- nothing to do */
1372 case EXIF_ORIENTATION_TOP_RIGHT:
1374 *res_x = tile_w - area_x - area_w;
1376 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1378 *res_x = tile_w - area_x - area_w;
1379 *res_y = tile_h - area_y - area_h;
1381 case EXIF_ORIENTATION_BOTTOM_LEFT:
1383 *res_y = tile_h - area_y - area_h;
1385 case EXIF_ORIENTATION_LEFT_TOP:
1391 case EXIF_ORIENTATION_RIGHT_TOP:
1392 /* rotated -90 (270) */
1394 *res_y = tile_w - area_x - area_w;
1398 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1399 *res_x = tile_h - area_y - area_h;
1400 *res_y = tile_w - area_x - area_w;
1404 case EXIF_ORIENTATION_LEFT_BOTTOM:
1406 *res_x = tile_h - area_y - area_h;
1412 /* The other values are out of range */
1415 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1418 void pr_coords_map_orientation_reverse(gint orientation,
1419 gint area_x, gint area_y,
1420 gint tile_w, gint tile_h,
1421 gint area_w, gint area_h,
1422 gint *res_x, gint *res_y,
1423 gint *res_w, gint *res_h)
1430 switch (orientation)
1432 case EXIF_ORIENTATION_TOP_LEFT:
1433 /* normal -- nothing to do */
1435 case EXIF_ORIENTATION_TOP_RIGHT:
1437 *res_x = tile_w - area_x - area_w;
1439 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1441 *res_x = tile_w - area_x - area_w;
1442 *res_y = tile_h - area_y - area_h;
1444 case EXIF_ORIENTATION_BOTTOM_LEFT:
1446 *res_y = tile_h - area_y - area_h;
1448 case EXIF_ORIENTATION_LEFT_TOP:
1454 case EXIF_ORIENTATION_RIGHT_TOP:
1455 /* rotated -90 (270) */
1456 *res_x = tile_w - area_y - area_h;
1461 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1462 *res_x = tile_w - area_y - area_h;
1463 *res_y = tile_h - area_x - area_w;
1467 case EXIF_ORIENTATION_LEFT_BOTTOM:
1470 *res_y = tile_h - area_x - area_w;
1475 /* The other values are out of range */
1482 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1485 if (!pr->width || !pr->height) return;
1488 * Update norm_center only if the image is bigger than the window.
1489 * With this condition the stored center survives also a temporary display
1490 * of the "broken image" icon.
1493 if (pr->width > pr->viewport_width)
1495 src_x = pr->x_scroll + pr->vis_width / 2;
1496 pr->norm_center_x = (gdouble)src_x / pr->width;
1499 if (pr->height > pr->viewport_height)
1501 src_y = pr->y_scroll + pr->vis_height / 2;
1502 pr->norm_center_y = (gdouble)src_y / pr->height;
1507 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1512 if (pr->zoom == 0.0)
1520 old_xs = pr->x_scroll;
1521 old_ys = pr->y_scroll;
1523 if (pr->x_offset > 0)
1529 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1532 if (pr->y_offset > 0)
1538 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1541 pixbuf_renderer_sync_scroll_center(pr);
1543 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1546 static gboolean pr_size_clamp(PixbufRenderer *pr)
1548 gint old_vw, old_vh;
1550 old_vw = pr->vis_width;
1551 old_vh = pr->vis_height;
1553 if (pr->width < pr->viewport_width)
1555 pr->vis_width = pr->width;
1556 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1560 pr->vis_width = pr->viewport_width;
1564 if (pr->height < pr->viewport_height)
1566 pr->vis_height = pr->height;
1567 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1571 pr->vis_height = pr->viewport_height;
1575 pixbuf_renderer_sync_scroll_center(pr);
1577 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1580 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1581 PrZoomFlags flags, gboolean *redrawn)
1586 gboolean force = !!(flags & PR_ZOOM_FORCE);
1587 gboolean new = !!(flags & PR_ZOOM_NEW);
1588 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1589 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1591 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1593 if (pr->zoom == zoom && !force) return FALSE;
1595 w = pr->image_width;
1596 h = pr->image_height;
1598 if (zoom == 0.0 && !pr->pixbuf)
1602 else if (zoom == 0.0)
1608 sizeable = (new && pr_parent_window_sizable(pr));
1612 max_w = gdk_screen_width();
1613 max_h = gdk_screen_height();
1615 if (pr->window_limit)
1617 max_w = max_w * pr->window_limit_size / 100;
1618 max_h = max_h * pr->window_limit_size / 100;
1623 max_w = pr->viewport_width;
1624 max_h = pr->viewport_height;
1627 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1629 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1631 scale = (gdouble)max_h / h / pr->aspect_ratio;
1633 w = w * scale + 0.5;
1634 if (w > max_w) w = max_w;
1638 scale = (gdouble)max_w / w;
1640 h = h * scale * pr->aspect_ratio + 0.5;
1641 if (h > max_h) h = max_h;
1644 if (pr->autofit_limit)
1646 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1647 w = w * factor + 0.5;
1648 h = h * factor + 0.5;
1649 scale = scale * factor;
1660 else if (zoom > 0.0) /* zoom orig, in */
1664 h = h * scale * pr->aspect_ratio;
1668 scale = 1.0 / (0.0 - zoom);
1670 h = h * scale * pr->aspect_ratio;
1673 invalid = (pr->width != w || pr->height != h);
1680 if (invalidate || invalid)
1682 pr->renderer->update_zoom(pr->renderer, lazy);
1683 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1684 // if (!lazy) pr_redraw(pr, TRUE);
1686 if (redrawn) *redrawn = (invalidate || invalid);
1688 pixbuf_renderer_sync_scroll_center(pr);
1693 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1694 PrZoomFlags flags, gint px, gint py)
1697 gint old_cx, old_cy;
1700 gboolean redrawn = FALSE;
1701 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1702 gboolean force = !!(flags & PR_ZOOM_FORCE);
1703 gboolean new = !!(flags & PR_ZOOM_NEW);
1704 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1705 PrZoomFlags clamp_flags = flags;
1706 gdouble old_center_x = pr->norm_center_x;
1707 gdouble old_center_y = pr->norm_center_y;
1709 old_scale = pr->scale;
1712 px = CLAMP(px, 0, pr->width);
1713 py = CLAMP(py, 0, pr->height);
1714 old_cx = pr->x_scroll + (px - pr->x_offset);
1715 old_cy = pr->y_scroll + (py - pr->y_offset);
1720 old_cx = pr->x_scroll + pr->vis_width / 2;
1721 old_cy = pr->y_scroll + pr->vis_height / 2;
1724 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1725 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1726 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1728 clamped = pr_size_clamp(pr);
1729 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1733 switch (pr->scroll_reset)
1735 case PR_SCROLL_RESET_NOCHANGE:
1736 /* maintain old scroll position */
1737 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1738 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1740 case PR_SCROLL_RESET_CENTER:
1741 /* center new image */
1742 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1743 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1745 case PR_SCROLL_RESET_TOPLEFT:
1747 /* reset to upper left */
1755 /* user zoom does not force, so keep visible center point */
1758 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1759 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1763 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1764 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1768 pr_scroll_clamp(pr);
1773 pr->renderer->queue_clear(pr->renderer);
1774 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1778 pr_redraw(pr, redrawn);
1781 pr->renderer->update_zoom(pr->renderer, lazy);
1782 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1784 pr_scroll_notify_signal(pr);
1786 pr_update_signal(pr);
1789 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1791 gboolean zoom_changed = FALSE;
1793 gint new_viewport_width = new_width;
1794 gint new_viewport_height = new_height;
1796 if (!pr->stereo_temp_disable)
1798 if (pr->stereo_mode & PR_STEREO_HORIZ)
1800 new_viewport_width = new_width / 2;
1802 else if (pr->stereo_mode & PR_STEREO_VERT)
1804 new_viewport_height = new_height / 2;
1806 else if (pr->stereo_mode & PR_STEREO_FIXED)
1808 new_viewport_width = pr->stereo_fixed_width;
1809 new_viewport_height = pr->stereo_fixed_height;
1813 if (pr->window_width == new_width && pr->window_height == new_height &&
1814 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1816 pr->window_width = new_width;
1817 pr->window_height = new_height;
1818 pr->viewport_width = new_viewport_width;
1819 pr->viewport_height = new_viewport_height;
1821 if (pr->zoom == 0.0)
1823 gdouble old_scale = pr->scale;
1824 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1825 zoom_changed = (old_scale != pr->scale);
1829 pr_scroll_clamp(pr);
1831 pr->renderer->update_sizes(pr->renderer);
1832 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1834 /* ensure scroller remains visible */
1835 if (pr->scroller_overlay != -1)
1837 gboolean update = FALSE;
1839 if (pr->scroller_x > new_width)
1841 pr->scroller_x = new_width;
1842 pr->scroller_xpos = new_width;
1845 if (pr->scroller_y > new_height)
1847 pr->scroller_y = new_height;
1848 pr->scroller_ypos = new_height;
1856 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1860 w = gdk_pixbuf_get_width(pixbuf);
1861 h = gdk_pixbuf_get_height(pixbuf);
1862 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1863 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1868 pr_scroll_notify_signal(pr);
1869 if (zoom_changed) pr_zoom_signal(pr);
1870 pr_update_signal(pr);
1873 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1875 PixbufRenderer *pr = data;
1877 pr_size_sync(pr, allocation->width, allocation->height);
1881 *-------------------------------------------------------------------
1883 *-------------------------------------------------------------------
1886 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1891 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1893 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1895 old_x = pr->x_scroll;
1896 old_y = pr->y_scroll;
1901 pr_scroll_clamp(pr);
1903 pixbuf_renderer_sync_scroll_center(pr);
1905 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1907 pr_scroll_notify_signal(pr);
1909 x_off = pr->x_scroll - old_x;
1910 y_off = pr->y_scroll - old_y;
1912 pr->renderer->scroll(pr->renderer, x_off, y_off);
1913 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1916 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1917 gdouble x_align, gdouble y_align)
1922 x_align = CLAMP(x_align, 0.0, 1.0);
1923 y_align = CLAMP(y_align, 0.0, 1.0);
1925 ax = (gdouble)pr->vis_width * x_align;
1926 ay = (gdouble)pr->vis_height * y_align;
1928 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1929 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1931 pixbuf_renderer_scroll(pr, px, py);
1934 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1936 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1938 *x = pr->norm_center_x;
1939 *y = pr->norm_center_y;
1942 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1944 gdouble dst_x, dst_y;
1946 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1947 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1949 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1950 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1952 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1956 *-------------------------------------------------------------------
1958 *-------------------------------------------------------------------
1961 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1966 /* This is a hack, but work far the best, at least for single pointer systems.
1967 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
1969 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
1973 pr = PIXBUF_RENDERER(widget);
1975 if (pr->scroller_id)
1977 pr->scroller_xpos = bevent->x;
1978 pr->scroller_ypos = bevent->y;
1981 pr->x_mouse = bevent->x;
1982 pr->y_mouse = bevent->y;
1983 pr_update_pixel_signal(pr);
1985 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
1987 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
1993 widget_set_cursor(widget, GDK_FLEUR);
1996 if (bevent->state & GDK_CONTROL_MASK)
1998 accel = PR_PAN_SHIFT_MULTIPLIER;
2006 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2007 (pr->drag_last_y - bevent->y) * accel);
2009 pr_drag_signal(pr, bevent);
2011 pr->drag_last_x = bevent->x;
2012 pr->drag_last_y = bevent->y;
2014 /* This is recommended by the GTK+ documentation, but does not work properly.
2015 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2016 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2018 /* gdk_event_request_motions (bevent); */
2022 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2026 pr = PIXBUF_RENDERER(widget);
2030 pr_update_pixel_signal(pr);
2034 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2039 pr = PIXBUF_RENDERER(widget);
2041 if (pr->scroller_id) return TRUE;
2043 switch (bevent->button)
2045 case MOUSE_BUTTON_LEFT:
2047 pr->drag_last_x = bevent->x;
2048 pr->drag_last_y = bevent->y;
2050 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2051 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2052 NULL, NULL, bevent->time);
2053 gtk_grab_add(widget);
2055 case MOUSE_BUTTON_MIDDLE:
2058 case MOUSE_BUTTON_RIGHT:
2059 pr_clicked_signal(pr, bevent);
2065 parent = gtk_widget_get_parent(widget);
2066 #if GTK_CHECK_VERSION(2,20,0)
2067 if (widget && gtk_widget_get_can_focus(parent))
2069 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2072 gtk_widget_grab_focus(parent);
2078 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2082 pr = PIXBUF_RENDERER(widget);
2084 if (pr->scroller_id)
2086 pr_scroller_stop(pr);
2090 #if GTK_CHECK_VERSION(2,20,0)
2091 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2093 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2096 gtk_grab_remove(widget);
2097 gdk_pointer_ungrab(bevent->time);
2098 widget_set_cursor(widget, -1);
2101 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2103 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2105 pr_scroller_start(pr, bevent->x, bevent->y);
2107 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2109 pr_clicked_signal(pr, bevent);
2113 pr->in_drag = FALSE;
2118 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2122 pr = PIXBUF_RENDERER(widget);
2124 if (pr->scroller_id)
2126 pr->scroller_xpos = pr->scroller_x;
2127 pr->scroller_ypos = pr->scroller_y;
2128 pr->scroller_xinc = 0;
2129 pr->scroller_yinc = 0;
2135 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2139 pr = PIXBUF_RENDERER(widget);
2141 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2144 static void pr_signals_connect(PixbufRenderer *pr)
2146 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2147 G_CALLBACK(pr_mouse_motion_cb), pr);
2148 g_signal_connect(G_OBJECT(pr), "button_press_event",
2149 G_CALLBACK(pr_mouse_press_cb), pr);
2150 g_signal_connect(G_OBJECT(pr), "button_release_event",
2151 G_CALLBACK(pr_mouse_release_cb), pr);
2152 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2153 G_CALLBACK(pr_mouse_leave_cb), pr);
2154 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2155 G_CALLBACK(pr_leave_notify_cb), pr);
2157 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2158 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2159 GDK_LEAVE_NOTIFY_MASK);
2161 g_signal_connect(G_OBJECT(pr), "drag_begin",
2162 G_CALLBACK(pr_mouse_drag_cb), pr);
2167 *-------------------------------------------------------------------
2169 *-------------------------------------------------------------------
2172 #define COLOR_BYTES 3 /* rgb */
2173 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2176 guchar *s_pix, *d_pix;
2181 srs = gdk_pixbuf_get_rowstride(right);
2182 s_pix = gdk_pixbuf_get_pixels(right);
2183 spi = s_pix + (x * COLOR_BYTES);
2185 drs = gdk_pixbuf_get_rowstride(pixbuf);
2186 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2187 dpi = d_pix + x * COLOR_BYTES;
2189 for (i = y; i < y + h; i++)
2191 sp = spi + (i * srs);
2192 dp = dpi + (i * drs);
2193 for (j = 0; j < w; j++)
2195 *dp = *sp; /* copy red channel */
2202 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2205 guchar *s_pix, *d_pix;
2209 const double gc[3] = {0.299, 0.587, 0.114};
2211 srs = gdk_pixbuf_get_rowstride(right);
2212 s_pix = gdk_pixbuf_get_pixels(right);
2213 spi = s_pix + (x * COLOR_BYTES);
2215 drs = gdk_pixbuf_get_rowstride(pixbuf);
2216 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2217 dpi = d_pix + x * COLOR_BYTES;
2219 for (i = y; i < y + h; i++)
2221 sp = spi + (i * srs);
2222 dp = dpi + (i * drs);
2223 for (j = 0; j < w; j++)
2225 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2226 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2227 dp[0] = g2; /* red channel from sp */
2228 dp[1] = g1; /* green and blue from dp */
2236 const double pr_dubois_matrix[3][6] = {
2237 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2238 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2239 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2242 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2245 guchar *s_pix, *d_pix;
2250 srs = gdk_pixbuf_get_rowstride(right);
2251 s_pix = gdk_pixbuf_get_pixels(right);
2252 spi = s_pix + (x * COLOR_BYTES);
2254 drs = gdk_pixbuf_get_rowstride(pixbuf);
2255 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2256 dpi = d_pix + x * COLOR_BYTES;
2258 for (i = y; i < y + h; i++)
2260 sp = spi + (i * srs);
2261 dp = dpi + (i * drs);
2262 for (j = 0; j < w; j++)
2265 for (k = 0; k < 3; k++)
2267 const double *m = pr_dubois_matrix[k];
2268 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];
2269 if (res[k] < 0.0) res[k] = 0;
2270 if (res[k] > 255.0) res[k] = 255.0;
2281 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2283 if (mode & PR_STEREO_ANAGLYPH_RC)
2284 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2285 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2286 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2287 else if (mode & PR_STEREO_ANAGLYPH_DB)
2288 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2292 *-------------------------------------------------------------------
2294 *-------------------------------------------------------------------
2296 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2298 pr->stereo_pixbuf_offset_left = 0;
2299 pr->stereo_pixbuf_offset_right = 0;
2300 if (!pr->pixbuf) return;
2301 switch (pr->orientation)
2303 case EXIF_ORIENTATION_LEFT_TOP:
2304 case EXIF_ORIENTATION_RIGHT_TOP:
2305 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2306 case EXIF_ORIENTATION_LEFT_BOTTOM:
2307 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2308 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2309 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2311 pr->image_height /= 2;
2312 pr->stereo_pixbuf_offset_right = pr->image_height;
2314 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2316 pr->image_height /= 2;
2317 pr->stereo_pixbuf_offset_left = pr->image_height;
2322 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2323 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2324 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2326 pr->image_width /= 2;
2327 pr->stereo_pixbuf_offset_right = pr->image_width;
2329 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2331 pr->image_width /= 2;
2332 pr->stereo_pixbuf_offset_left = pr->image_width;
2337 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2339 if (pixbuf) g_object_ref(pixbuf);
2340 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2341 pr->pixbuf = pixbuf;
2347 /* no pixbuf so just clear the window */
2348 pr->image_width = 0;
2349 pr->image_height = 0;
2351 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2352 and used for pixbuf_renderer_zoom_get */
2354 box = GTK_WIDGET(pr);
2356 #if GTK_CHECK_VERSION(2,20,0)
2357 if (gtk_widget_get_realized(box))
2359 if (GTK_WIDGET_REALIZED(box))
2362 #if !GTK_CHECK_VERSION(3,0,0)
2363 gdk_window_clear(gtk_widget_get_window(box));
2365 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2366 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2369 pr_update_signal(pr);
2374 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2376 gint disable = !pr->pixbuf || ! pr->stereo_data;
2377 pr_stereo_temp_disable(pr, disable);
2380 pr_pixbuf_size_sync(pr);
2381 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2382 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2383 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2386 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2388 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2390 pr_source_tile_unset(pr);
2392 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2394 pr_update_signal(pr);
2397 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2399 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2401 pr_source_tile_unset(pr);
2403 pr->orientation = orientation;
2404 pr->stereo_data = stereo_data;
2405 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2407 pr_update_signal(pr);
2410 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2412 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2417 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2419 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2421 pr->orientation = orientation;
2423 pr_pixbuf_size_sync(pr);
2426 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2427 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2429 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2431 pr->renderer->update_sizes(pr->renderer);
2432 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
2435 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2438 return pr->orientation;
2441 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2443 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2445 pr->stereo_data = stereo_data;
2447 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2449 gint disable = !pr->pixbuf || ! pr->stereo_data;
2450 pr_stereo_temp_disable(pr, disable);
2452 pr_pixbuf_size_sync(pr);
2453 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2454 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2455 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2458 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2460 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2462 pr->func_post_process = func;
2463 pr->post_process_user_data = user_data;
2464 pr->post_process_slow = func && slow;
2469 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2472 PixbufRendererScrollResetType scroll_reset;
2474 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2475 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2477 if (pr == source) return;
2479 object = G_OBJECT(pr);
2481 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2482 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2483 g_object_set(object, "loading", source->loading, NULL);
2485 pr->complete = source->complete;
2487 pr->x_scroll = source->x_scroll;
2488 pr->y_scroll = source->y_scroll;
2489 pr->x_mouse = source->x_mouse;
2490 pr->y_mouse = source->y_mouse;
2492 scroll_reset = pr->scroll_reset;
2493 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2495 pr->func_post_process = source->func_post_process;
2496 pr->post_process_user_data = source->post_process_user_data;
2497 pr->post_process_slow = source->post_process_slow;
2498 pr->orientation = source->orientation;
2499 pr->stereo_data = source->stereo_data;
2501 if (source->source_tiles_enabled)
2503 pr_source_tile_unset(pr);
2505 pr->source_tiles_enabled = source->source_tiles_enabled;
2506 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2507 pr->source_tile_width = source->source_tile_width;
2508 pr->source_tile_height = source->source_tile_height;
2509 pr->image_width = source->image_width;
2510 pr->image_height = source->image_height;
2512 pr->func_tile_request = source->func_tile_request;
2513 pr->func_tile_dispose = source->func_tile_dispose;
2514 pr->func_tile_data = source->func_tile_data;
2516 pr->source_tiles = source->source_tiles;
2517 source->source_tiles = NULL;
2519 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2523 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2526 pr->scroll_reset = scroll_reset;
2528 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2529 // pr_queue_clear(source);
2530 // pr_tile_free_all(source);
2533 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2535 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2537 if (pr->source_tiles_enabled)
2539 pr_source_tile_changed(pr, x, y, w, h);
2542 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2543 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2546 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2548 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2550 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2553 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2555 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2557 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2560 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2562 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2564 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2567 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2569 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2574 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2576 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2581 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2583 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2585 if (min > 1.0 || max < 1.0) return;
2586 if (min < 1.0 && min > -1.0) return;
2587 if (min < -200.0 || max > 200.0) return;
2589 if (pr->zoom_min != min)
2592 g_object_notify(G_OBJECT(pr), "zoom_min");
2594 if (pr->zoom_max != max)
2597 g_object_notify(G_OBJECT(pr), "zoom_max");
2601 static void pr_stereo_set(PixbufRenderer *pr)
2603 if (!pr->renderer) pr->renderer = RENDERER_NEW(pr);
2605 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2607 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2609 if (!pr->renderer2) pr->renderer2 = RENDERER_NEW(pr);
2610 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2614 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2615 pr->renderer2 = NULL;
2617 if (pr->stereo_mode & PR_STEREO_HALF)
2619 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2620 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2621 else pr->aspect_ratio = 1.0;
2625 pr->aspect_ratio = 1.0;
2629 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2631 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2632 pr->stereo_mode = stereo_mode;
2633 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2635 pr->stereo_temp_disable = FALSE;
2641 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2642 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2646 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2648 pr->stereo_fixed_width = width;
2649 pr->stereo_fixed_height = height;
2650 pr->stereo_fixed_x_left = x1;
2651 pr->stereo_fixed_y_left = y1;
2652 pr->stereo_fixed_x_right = x2;
2653 pr->stereo_fixed_y_right = y2;
2656 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2658 return pr->stereo_mode;
2661 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2663 if (pr->stereo_temp_disable == disable) return;
2664 pr->stereo_temp_disable = disable;
2667 if (!pr->renderer) pr->renderer = RENDERER_NEW(pr);
2668 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2669 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2670 pr->renderer2 = NULL;
2671 pr->aspect_ratio = 1.0;
2677 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2680 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2681 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2683 GdkPixbuf *pb = pr->pixbuf;
2686 gint map_x, map_y, map_w, map_h;
2688 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2689 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2691 if (!pr->pixbuf && !pr->source_tiles_enabled)
2699 if (!pb) return FALSE;
2701 pr_tile_region_map_orientation(pr->orientation,
2703 pr->image_width, pr->image_height,
2704 1, 1, /*single pixel */
2708 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2709 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2711 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2712 prs = gdk_pixbuf_get_rowstride(pb);
2713 p_pix = gdk_pixbuf_get_pixels(pb);
2715 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2725 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2727 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2729 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2730 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2732 if (!pr->pixbuf && !pr->source_tiles_enabled)
2734 *x_pixel_return = -1;
2735 *y_pixel_return = -1;
2739 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2740 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2741 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2742 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2744 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2746 /* mouse is not on pr */
2747 x_pixel = y_pixel = -1;
2750 *x_pixel_return = x_pixel;
2751 *y_pixel_return = y_pixel;
2756 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2758 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2759 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2761 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2768 *width = pr->image_width;
2769 *height = pr->image_height;
2773 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2775 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2776 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2778 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2786 *height = pr->height;
2790 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2792 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2793 g_return_val_if_fail(rect != NULL, FALSE);
2795 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2805 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2806 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2807 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2808 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2812 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2814 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2815 g_return_val_if_fail(rect != NULL, FALSE);
2817 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2826 rect->x = pr->x_scroll;
2827 rect->y = pr->y_scroll;
2828 rect->width = pr->vis_width;
2829 rect->height = pr->vis_height;
2833 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2838 zoom = pixbuf_renderer_zoom_get(pr);
2839 pr->image_width = width;
2840 pr->image_height = height;
2842 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2847 //pr->width = width;
2848 //pr->height = height;
2851 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */