2 * Copyright (C) 2006 John Ellis
3 * Copyright (C) 2008 - 2016 The Geeqie Team
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 #include "pixbuf-renderer.h"
29 #include "renderer-tiles.h"
30 #include "renderer-clutter.h"
37 /* comment this out if not using this from within Geeqie
38 * defining GQ_BUILD does these things:
39 * - Sets the shift-click scroller pixbuf to a nice icon instead of a black box
45 #include "pixbuf_util.h"
49 EXIF_ORIENTATION_UNKNOWN = 0,
50 EXIF_ORIENTATION_TOP_LEFT = 1,
51 EXIF_ORIENTATION_TOP_RIGHT = 2,
52 EXIF_ORIENTATION_BOTTOM_RIGHT = 3,
53 EXIF_ORIENTATION_BOTTOM_LEFT = 4,
54 EXIF_ORIENTATION_LEFT_TOP = 5,
55 EXIF_ORIENTATION_RIGHT_TOP = 6,
56 EXIF_ORIENTATION_RIGHT_BOTTOM = 7,
57 EXIF_ORIENTATION_LEFT_BOTTOM = 8
58 } ExifOrientationType;
62 /* default min and max zoom */
63 #define PR_ZOOM_MIN -32.0
64 #define PR_ZOOM_MAX 32.0
66 /* distance to drag mouse to disable image flip */
67 #define PR_DRAG_SCROLL_THRESHHOLD 4
69 /* increase pan rate when holding down shift */
70 #define PR_PAN_SHIFT_MULTIPLIER 6
73 #define PR_SCROLLER_UPDATES_PER_SEC 30
74 #define PR_SCROLLER_DEAD_ZONE 6
76 /* when scaling image to below this size, use nearest pixel for scaling
77 * (below about 4, the other scale types become slow generating their conversion tables)
79 #define PR_MIN_SCALE_SIZE 8
85 SIGNAL_RENDER_COMPLETE,
102 PROP_CACHE_SIZE_DISPLAY,
103 PROP_CACHE_SIZE_TILES,
106 PROP_WINDOW_LIMIT_VALUE,
108 PROP_AUTOFIT_LIMIT_VALUE
113 PR_ZOOM_FORCE = 1 << 0,
114 PR_ZOOM_NEW = 1 << 1,
115 PR_ZOOM_CENTER = 1 << 2,
116 PR_ZOOM_INVALIDATE = 1 << 3,
117 PR_ZOOM_LAZY = 1 << 4 /* wait with redraw for pixbuf_renderer_area_changed */
120 static guint signals[SIGNAL_COUNT] = { 0 };
121 static GtkEventBoxClass *parent_class = NULL;
125 static void pixbuf_renderer_class_init(PixbufRendererClass *class);
126 static void pixbuf_renderer_init(PixbufRenderer *pr);
127 static void pixbuf_renderer_finalize(GObject *object);
128 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
129 const GValue *value, GParamSpec *pspec);
130 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
131 GValue *value, GParamSpec *pspec);
132 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
135 static void pr_source_tile_free_all(PixbufRenderer *pr);
137 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
138 PrZoomFlags flags, gint px, gint py);
140 static void pr_signals_connect(PixbufRenderer *pr);
141 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
142 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable);
146 *-------------------------------------------------------------------
147 * Pixbuf Renderer object
148 *-------------------------------------------------------------------
151 GType pixbuf_renderer_get_type(void)
153 static GType pixbuf_renderer_type = 0;
155 if (!pixbuf_renderer_type)
157 static const GTypeInfo pixbuf_renderer_info =
159 sizeof(PixbufRendererClass), /* class_size */
160 NULL, /* base_init */
161 NULL, /* base_finalize */
162 (GClassInitFunc)pixbuf_renderer_class_init,
163 NULL, /* class_finalize */
164 NULL, /* class_data */
165 sizeof(PixbufRenderer), /* instance_size */
167 (GInstanceInitFunc)pixbuf_renderer_init, /* instance_init */
168 NULL, /* value_table */
171 pixbuf_renderer_type = g_type_register_static(GTK_TYPE_EVENT_BOX, "PixbufRenderer",
172 &pixbuf_renderer_info, 0);
175 return pixbuf_renderer_type;
178 static void pixbuf_renderer_class_init(PixbufRendererClass *class)
180 GObjectClass *gobject_class = G_OBJECT_CLASS(class);
182 parent_class = g_type_class_peek_parent(class);
184 gobject_class->set_property = pixbuf_renderer_set_property;
185 gobject_class->get_property = pixbuf_renderer_get_property;
187 gobject_class->finalize = pixbuf_renderer_finalize;
189 g_object_class_install_property(gobject_class,
191 g_param_spec_double("zoom_min",
197 G_PARAM_READABLE | G_PARAM_WRITABLE));
199 g_object_class_install_property(gobject_class,
201 g_param_spec_double("zoom_max",
207 G_PARAM_READABLE | G_PARAM_WRITABLE));
209 g_object_class_install_property(gobject_class,
211 g_param_spec_uint("zoom_quality",
217 G_PARAM_READABLE | G_PARAM_WRITABLE));
219 g_object_class_install_property(gobject_class,
221 g_param_spec_boolean("zoom_2pass",
225 G_PARAM_READABLE | G_PARAM_WRITABLE));
227 g_object_class_install_property(gobject_class,
229 g_param_spec_boolean("zoom_expand",
230 "Expand image in autozoom.",
233 G_PARAM_READABLE | G_PARAM_WRITABLE));
234 g_object_class_install_property(gobject_class,
236 g_param_spec_uint("scroll_reset",
237 "New image scroll reset",
239 PR_SCROLL_RESET_TOPLEFT,
240 PR_SCROLL_RESET_NOCHANGE,
241 PR_SCROLL_RESET_TOPLEFT,
242 G_PARAM_READABLE | G_PARAM_WRITABLE));
244 g_object_class_install_property(gobject_class,
246 g_param_spec_boolean("delay_flip",
247 "Delay image update",
250 G_PARAM_READABLE | G_PARAM_WRITABLE));
252 g_object_class_install_property(gobject_class,
254 g_param_spec_boolean("loading",
255 "Image actively loading",
258 G_PARAM_READABLE | G_PARAM_WRITABLE));
260 g_object_class_install_property(gobject_class,
262 g_param_spec_boolean("complete",
263 "Image rendering complete",
266 G_PARAM_READABLE | G_PARAM_WRITABLE));
268 g_object_class_install_property(gobject_class,
269 PROP_CACHE_SIZE_DISPLAY,
270 g_param_spec_uint("cache_display",
271 "Display cache size MB",
275 PR_CACHE_SIZE_DEFAULT,
276 G_PARAM_READABLE | G_PARAM_WRITABLE));
278 g_object_class_install_property(gobject_class,
279 PROP_CACHE_SIZE_TILES,
280 g_param_spec_uint("cache_tiles",
282 "Number of tiles to retain in memory at any one time.",
285 PR_CACHE_SIZE_DEFAULT,
286 G_PARAM_READABLE | G_PARAM_WRITABLE));
288 g_object_class_install_property(gobject_class,
290 g_param_spec_boolean("window_fit",
291 "Fit window to image size",
294 G_PARAM_READABLE | G_PARAM_WRITABLE));
296 g_object_class_install_property(gobject_class,
298 g_param_spec_boolean("window_limit",
299 "Limit size of parent window",
302 G_PARAM_READABLE | G_PARAM_WRITABLE));
304 g_object_class_install_property(gobject_class,
305 PROP_WINDOW_LIMIT_VALUE,
306 g_param_spec_uint("window_limit_value",
307 "Size limit of parent window",
312 G_PARAM_READABLE | G_PARAM_WRITABLE));
314 g_object_class_install_property(gobject_class,
316 g_param_spec_boolean("autofit_limit",
317 "Limit size of image when autofitting",
320 G_PARAM_READABLE | G_PARAM_WRITABLE));
322 g_object_class_install_property(gobject_class,
323 PROP_AUTOFIT_LIMIT_VALUE,
324 g_param_spec_uint("autofit_limit_value",
325 "Size limit of image when autofitting",
330 G_PARAM_READABLE | G_PARAM_WRITABLE));
333 signals[SIGNAL_ZOOM] =
335 G_OBJECT_CLASS_TYPE(gobject_class),
337 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
339 g_cclosure_marshal_VOID__DOUBLE,
343 signals[SIGNAL_CLICKED] =
344 g_signal_new("clicked",
345 G_OBJECT_CLASS_TYPE(gobject_class),
347 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
349 g_cclosure_marshal_VOID__BOXED,
353 signals[SIGNAL_SCROLL_NOTIFY] =
354 g_signal_new("scroll-notify",
355 G_OBJECT_CLASS_TYPE(gobject_class),
357 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
359 g_cclosure_marshal_VOID__VOID,
362 signals[SIGNAL_RENDER_COMPLETE] =
363 g_signal_new("render-complete",
364 G_OBJECT_CLASS_TYPE(gobject_class),
366 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
368 g_cclosure_marshal_VOID__VOID,
371 signals[SIGNAL_DRAG] =
373 G_OBJECT_CLASS_TYPE(gobject_class),
375 G_STRUCT_OFFSET(PixbufRendererClass, drag),
377 g_cclosure_marshal_VOID__BOXED,
381 signals[SIGNAL_UPDATE_PIXEL] =
382 g_signal_new("update-pixel",
383 G_OBJECT_CLASS_TYPE(gobject_class),
385 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
387 g_cclosure_marshal_VOID__VOID,
391 static RendererFuncs *pr_backend_renderer_new(PixbufRenderer *pr)
393 if (options->image.use_clutter_renderer)
396 return renderer_clutter_new(pr);
398 DEBUG_0("Geeqie is built without clutter renderer support");
401 return renderer_tiles_new(pr);
405 static void pixbuf_renderer_init(PixbufRenderer *pr)
409 box = GTK_WIDGET(pr);
411 pr->zoom_min = PR_ZOOM_MIN;
412 pr->zoom_max = PR_ZOOM_MAX;
413 pr->zoom_quality = GDK_INTERP_BILINEAR;
414 pr->zoom_2pass = FALSE;
418 pr->aspect_ratio = 1.0;
420 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
423 pr->scroller_overlay = -1;
428 pr->source_tiles_enabled = FALSE;
429 pr->source_tiles = NULL;
433 pr->norm_center_x = 0.5;
434 pr->norm_center_y = 0.5;
436 pr->stereo_mode = PR_STEREO_NONE;
442 pr->renderer = pr_backend_renderer_new(pr);
444 pr->renderer2 = NULL;
446 gtk_widget_set_double_buffered(box, FALSE);
447 gtk_widget_set_app_paintable(box, TRUE);
448 g_signal_connect_after(G_OBJECT(box), "size_allocate",
449 G_CALLBACK(pr_size_cb), pr);
451 pr_signals_connect(pr);
454 static void pixbuf_renderer_finalize(GObject *object)
458 pr = PIXBUF_RENDERER(object);
460 pr->renderer->free(pr->renderer);
461 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
464 if (pr->pixbuf) g_object_unref(pr->pixbuf);
466 pr_scroller_timer_set(pr, FALSE);
468 pr_source_tile_free_all(pr);
471 PixbufRenderer *pixbuf_renderer_new(void)
473 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
476 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
477 const GValue *value, GParamSpec *pspec)
481 pr = PIXBUF_RENDERER(object);
486 pr->zoom_min = g_value_get_double(value);
489 pr->zoom_max = g_value_get_double(value);
491 case PROP_ZOOM_QUALITY:
492 pr->zoom_quality = g_value_get_uint(value);
494 case PROP_ZOOM_2PASS:
495 pr->zoom_2pass = g_value_get_boolean(value);
497 case PROP_ZOOM_EXPAND:
498 pr->zoom_expand = g_value_get_boolean(value);
500 case PROP_SCROLL_RESET:
501 pr->scroll_reset = g_value_get_uint(value);
503 case PROP_DELAY_FLIP:
504 pr->delay_flip = g_value_get_boolean(value);
507 pr->loading = g_value_get_boolean(value);
510 pr->complete = g_value_get_boolean(value);
512 case PROP_CACHE_SIZE_DISPLAY:
513 // pr->tile_cache_max = g_value_get_uint(value);
515 case PROP_CACHE_SIZE_TILES:
516 pr->source_tiles_cache_size = g_value_get_uint(value);
518 case PROP_WINDOW_FIT:
519 pr->window_fit = g_value_get_boolean(value);
521 case PROP_WINDOW_LIMIT:
522 pr->window_limit = g_value_get_boolean(value);
524 case PROP_WINDOW_LIMIT_VALUE:
525 pr->window_limit_size = g_value_get_uint(value);
527 case PROP_AUTOFIT_LIMIT:
528 pr->autofit_limit = g_value_get_boolean(value);
530 case PROP_AUTOFIT_LIMIT_VALUE:
531 pr->autofit_limit_size = g_value_get_uint(value);
534 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
539 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
540 GValue *value, GParamSpec *pspec)
544 pr = PIXBUF_RENDERER(object);
549 g_value_set_double(value, pr->zoom_min);
552 g_value_set_double(value, pr->zoom_max);
554 case PROP_ZOOM_QUALITY:
555 g_value_set_uint(value, pr->zoom_quality);
557 case PROP_ZOOM_2PASS:
558 g_value_set_boolean(value, pr->zoom_2pass);
560 case PROP_ZOOM_EXPAND:
561 g_value_set_boolean(value, pr->zoom_expand);
563 case PROP_SCROLL_RESET:
564 g_value_set_uint(value, pr->scroll_reset);
566 case PROP_DELAY_FLIP:
567 g_value_set_boolean(value, pr->delay_flip);
570 g_value_set_boolean(value, pr->loading);
573 g_value_set_boolean(value, pr->complete);
575 case PROP_CACHE_SIZE_DISPLAY:
576 // g_value_set_uint(value, pr->tile_cache_max);
578 case PROP_CACHE_SIZE_TILES:
579 g_value_set_uint(value, pr->source_tiles_cache_size);
581 case PROP_WINDOW_FIT:
582 g_value_set_boolean(value, pr->window_fit);
584 case PROP_WINDOW_LIMIT:
585 g_value_set_boolean(value, pr->window_limit);
587 case PROP_WINDOW_LIMIT_VALUE:
588 g_value_set_uint(value, pr->window_limit_size);
590 case PROP_AUTOFIT_LIMIT:
591 g_value_set_boolean(value, pr->autofit_limit);
593 case PROP_AUTOFIT_LIMIT_VALUE:
594 g_value_set_uint(value, pr->autofit_limit_size);
597 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
604 *-------------------------------------------------------------------
606 *-------------------------------------------------------------------
609 static void widget_set_cursor(GtkWidget *widget, gint icon)
613 if (!gtk_widget_get_window(widget)) return;
621 cursor = gdk_cursor_new(icon);
624 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
626 if (cursor) gdk_cursor_unref(cursor);
629 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
630 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
631 gint *rx, gint *ry, gint *rw, gint *rh)
633 if (clip_x + clip_w <= x ||
635 clip_y + clip_h <= y ||
641 *rx = MAX(x, clip_x);
642 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
644 *ry = MAX(y, clip_y);
645 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
650 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
652 GdkWindowState state;
654 if (!pr->parent_window) return FALSE;
655 if (!pr->window_fit) return FALSE;
656 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
658 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
659 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
660 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
665 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
670 GtkAllocation widget_allocation;
671 GtkAllocation parent_allocation;
673 if (!pr_parent_window_sizable(pr)) return FALSE;
675 if (pr->window_limit)
677 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
678 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
684 widget = GTK_WIDGET(pr);
685 parent = GTK_WIDGET(pr->parent_window);
687 gtk_widget_get_allocation(widget, &widget_allocation);
688 gtk_widget_get_allocation(parent, &parent_allocation);
690 w += (parent_allocation.width - widget_allocation.width);
691 h += (parent_allocation.height - widget_allocation.height);
693 ww = gdk_window_get_width(gtk_widget_get_window(parent));
694 wh = gdk_window_get_height(gtk_widget_get_window(parent));
695 if (w == ww && h == wh) return FALSE;
697 gdk_window_resize(gtk_widget_get_window(parent), w, h);
702 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
704 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
705 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
707 pr->parent_window = GTK_WIDGET(window);
710 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
712 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
714 return GTK_WINDOW(pr->parent_window);
719 *-------------------------------------------------------------------
721 *-------------------------------------------------------------------
725 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
726 OverlayRendererFlags flags)
728 /* let's assume both renderers returns the same value */
729 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
730 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
733 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
735 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
736 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
739 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
741 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
742 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
745 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
747 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
748 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
752 *-------------------------------------------------------------------
754 *-------------------------------------------------------------------
758 static gboolean pr_scroller_update_cb(gpointer data)
760 PixbufRenderer *pr = data;
764 /* this was a simple scroll by difference between scroller and mouse position,
765 * but all this math results in a smoother result and accounts for a dead zone.
768 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
774 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
775 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
776 x += (x > 0) ? -shift : shift;
779 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
785 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
786 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
787 y += (y > 0) ? -shift : shift;
790 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
796 xinc = pr->scroller_xinc;
800 if (xinc < 0) xinc = 0;
801 if (x < xinc) xinc = x;
802 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
806 if (xinc > 0) xinc = 0;
807 if (x > xinc) xinc = x;
808 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
812 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
818 yinc = pr->scroller_yinc;
822 if (yinc < 0) yinc = 0;
823 if (y < yinc) yinc = y;
824 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
828 if (yinc > 0) yinc = 0;
829 if (y > yinc) yinc = y;
830 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
834 pr->scroller_xinc = xinc;
835 pr->scroller_yinc = yinc;
837 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
838 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
840 pixbuf_renderer_scroll(pr, xinc, yinc);
845 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
849 g_source_remove(pr->scroller_id);
855 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
856 pr_scroller_update_cb, pr);
860 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
862 if (pr->scroller_overlay == -1)
868 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
870 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
871 gdk_pixbuf_fill(pixbuf, 0x000000ff);
873 w = gdk_pixbuf_get_width(pixbuf);
874 h = gdk_pixbuf_get_height(pixbuf);
876 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
877 g_object_unref(pixbuf);
882 pr->scroller_xpos = x;
883 pr->scroller_ypos = y;
885 pr_scroller_timer_set(pr, TRUE);
888 static void pr_scroller_stop(PixbufRenderer *pr)
890 if (!pr->scroller_id) return;
892 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
893 pr->scroller_overlay = -1;
895 pr_scroller_timer_set(pr, FALSE);
899 *-------------------------------------------------------------------
901 *-------------------------------------------------------------------
904 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
909 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
913 pr->color.red = color->red;
914 pr->color.green = color->green;
915 pr->color.blue = color->blue;
924 pr->renderer->update_viewport(pr->renderer);
925 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
929 *-------------------------------------------------------------------
931 *-------------------------------------------------------------------
934 static void pr_source_tile_free(SourceTile *st)
938 if (st->pixbuf) g_object_unref(st->pixbuf);
942 static void pr_source_tile_free_all(PixbufRenderer *pr)
946 work = pr->source_tiles;
954 pr_source_tile_free(st);
957 g_list_free(pr->source_tiles);
958 pr->source_tiles = NULL;
961 static void pr_source_tile_unset(PixbufRenderer *pr)
963 pr_source_tile_free_all(pr);
964 pr->source_tiles_enabled = FALSE;
967 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
971 if (!st) return FALSE;
973 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
974 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
975 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
976 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
979 x2 = pr->x_scroll + pr->vis_width;
980 y2 = pr->y_scroll + pr->vis_height;
982 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
983 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
984 (gdouble)st->y * pr->scale > (gdouble)y2 ||
985 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
988 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
990 SourceTile *st = NULL;
993 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
995 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
997 count = g_list_length(pr->source_tiles);
998 if (count >= pr->source_tiles_cache_size)
1002 work = g_list_last(pr->source_tiles);
1003 while (work && count >= pr->source_tiles_cache_size)
1007 needle = work->data;
1010 if (!pr_source_tile_visible(pr, needle))
1012 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1014 if (pr->func_tile_dispose)
1016 pr->func_tile_dispose(pr, needle->x, needle->y,
1017 pr->source_tile_width, pr->source_tile_height,
1018 needle->pixbuf, pr->func_tile_data);
1027 pr_source_tile_free(needle);
1037 st = g_new0(SourceTile, 1);
1038 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1039 pr->source_tile_width, pr->source_tile_height);
1042 st->x = ROUND_DOWN(x, pr->source_tile_width);
1043 st->y = ROUND_DOWN(y, pr->source_tile_height);
1046 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1051 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1055 st = pr_source_tile_new(pr, x, y);
1056 if (!st) return NULL;
1058 if (pr->func_tile_request &&
1059 pr->func_tile_request(pr, st->x, st->y,
1060 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1065 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1066 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1067 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1068 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1072 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1076 work = pr->source_tiles;
1079 SourceTile *st = work->data;
1081 if (x >= st->x && x < st->x + pr->source_tile_width &&
1082 y >= st->y && y < st->y + pr->source_tile_height)
1084 if (work != pr->source_tiles)
1086 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1087 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1098 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1106 if (w > pr->image_width) w = pr->image_width;
1107 if (h > pr->image_height) h = pr->image_height;
1109 sx = ROUND_DOWN(x, pr->source_tile_width);
1110 sy = ROUND_DOWN(y, pr->source_tile_height);
1112 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1114 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1118 st = pr_source_tile_find(pr, x1, y1);
1119 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1121 if (st) list = g_list_prepend(list, st);
1125 return g_list_reverse(list);
1128 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1132 if (width < 1 || height < 1) return;
1134 work = pr->source_tiles;
1138 gint rx, ry, rw, rh;
1143 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1144 x, y, width, height,
1145 &rx, &ry, &rw, &rh))
1149 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1150 if (pr->func_tile_request &&
1151 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1153 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1154 rw * pr->scale, rh * pr->scale);
1155 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1156 rw * pr->scale, rh * pr->scale);
1158 g_object_unref(pixbuf);
1163 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1164 gint tile_width, gint tile_height, gint cache_size,
1165 PixbufRendererTileRequestFunc func_request,
1166 PixbufRendererTileDisposeFunc func_dispose,
1170 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1171 g_return_if_fail(tile_width >= 32 && tile_height >= 32);
1172 g_return_if_fail(width >= 32 && height > 32);
1173 g_return_if_fail(func_request != NULL);
1175 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1178 pr_source_tile_unset(pr);
1180 if (cache_size < 4) cache_size = 4;
1182 pr->source_tiles_enabled = TRUE;
1183 pr->source_tiles_cache_size = cache_size;
1184 pr->source_tile_width = tile_width;
1185 pr->source_tile_height = tile_height;
1187 pr->image_width = width;
1188 pr->image_height = height;
1190 pr->func_tile_request = func_request;
1191 pr->func_tile_dispose = func_dispose;
1192 pr->func_tile_data = user_data;
1194 pr_stereo_temp_disable(pr, TRUE);
1195 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1198 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1200 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1201 g_return_if_fail(width >= 32 && height > 32);
1203 if (!pr->source_tiles_enabled) return;
1204 if (pr->image_width == width && pr->image_height == height) return;
1206 pr->image_width = width;
1207 pr->image_height = height;
1209 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1212 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1214 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1216 return pr->source_tiles_enabled;
1219 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1220 PrZoomFlags flags, gint x, gint y)
1222 gdouble zoom = pr->zoom;
1224 if (increment == 0.0) return;
1228 if (pr->scale < 1.0)
1230 zoom = 0.0 - 1.0 / pr->scale;
1238 if (increment < 0.0)
1240 if (zoom >= 1.0 && zoom + increment < 1.0)
1242 zoom = zoom + increment - 2.0;
1246 zoom = zoom + increment;
1251 if (zoom <= -1.0 && zoom + increment > -1.0)
1253 zoom = zoom + increment + 2.0;
1257 zoom = zoom + increment;
1261 pr_zoom_sync(pr, zoom, flags, x, y);
1266 *-------------------------------------------------------------------
1268 *-------------------------------------------------------------------
1271 static void pr_update_signal(PixbufRenderer *pr)
1273 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1274 pr->debug_updated = TRUE;
1277 static void pr_zoom_signal(PixbufRenderer *pr)
1279 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1282 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1284 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1287 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1289 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1292 void pr_render_complete_signal(PixbufRenderer *pr)
1296 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1297 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1299 if (pr->debug_updated)
1301 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1302 pr->debug_updated = FALSE;
1306 static void pr_drag_signal(PixbufRenderer *pr, GdkEventMotion *event)
1308 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, event);
1311 static void pr_update_pixel_signal(PixbufRenderer *pr)
1313 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1317 *-------------------------------------------------------------------
1319 *-------------------------------------------------------------------
1323 void pr_tile_coords_map_orientation(gint orientation,
1324 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1325 gdouble image_w, gdouble image_h,
1326 gdouble tile_w, gdouble tile_h,
1327 gdouble *res_x, gdouble *res_y)
1331 switch (orientation)
1333 case EXIF_ORIENTATION_TOP_LEFT:
1334 /* normal -- nothing to do */
1336 case EXIF_ORIENTATION_TOP_RIGHT:
1338 *res_x = image_w - tile_x - tile_w;
1340 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1342 *res_x = image_w - tile_x - tile_w;
1343 *res_y = image_h - tile_y - tile_h;
1345 case EXIF_ORIENTATION_BOTTOM_LEFT:
1347 *res_y = image_h - tile_y - tile_h;
1349 case EXIF_ORIENTATION_LEFT_TOP:
1353 case EXIF_ORIENTATION_RIGHT_TOP:
1354 /* rotated -90 (270) */
1356 *res_y = image_w - tile_x - tile_w;
1358 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1359 *res_x = image_h - tile_y - tile_h;
1360 *res_y = image_w - tile_x - tile_w;
1362 case EXIF_ORIENTATION_LEFT_BOTTOM:
1364 *res_x = image_h - tile_y - tile_h;
1368 /* The other values are out of range */
1371 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1374 void pr_tile_region_map_orientation(gint orientation,
1375 gint area_x, gint area_y, /* coordinates of the area inside tile */
1376 gint tile_w, gint tile_h,
1377 gint area_w, gint area_h,
1378 gint *res_x, gint *res_y,
1379 gint *res_w, gint *res_h)
1386 switch (orientation)
1388 case EXIF_ORIENTATION_TOP_LEFT:
1389 /* normal -- nothing to do */
1391 case EXIF_ORIENTATION_TOP_RIGHT:
1393 *res_x = tile_w - area_x - area_w;
1395 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1397 *res_x = tile_w - area_x - area_w;
1398 *res_y = tile_h - area_y - area_h;
1400 case EXIF_ORIENTATION_BOTTOM_LEFT:
1402 *res_y = tile_h - area_y - area_h;
1404 case EXIF_ORIENTATION_LEFT_TOP:
1410 case EXIF_ORIENTATION_RIGHT_TOP:
1411 /* rotated -90 (270) */
1413 *res_y = tile_w - area_x - area_w;
1417 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1418 *res_x = tile_h - area_y - area_h;
1419 *res_y = tile_w - area_x - area_w;
1423 case EXIF_ORIENTATION_LEFT_BOTTOM:
1425 *res_x = tile_h - area_y - area_h;
1431 /* The other values are out of range */
1434 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1437 void pr_coords_map_orientation_reverse(gint orientation,
1438 gint area_x, gint area_y,
1439 gint tile_w, gint tile_h,
1440 gint area_w, gint area_h,
1441 gint *res_x, gint *res_y,
1442 gint *res_w, gint *res_h)
1449 switch (orientation)
1451 case EXIF_ORIENTATION_TOP_LEFT:
1452 /* normal -- nothing to do */
1454 case EXIF_ORIENTATION_TOP_RIGHT:
1456 *res_x = tile_w - area_x - area_w;
1458 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1460 *res_x = tile_w - area_x - area_w;
1461 *res_y = tile_h - area_y - area_h;
1463 case EXIF_ORIENTATION_BOTTOM_LEFT:
1465 *res_y = tile_h - area_y - area_h;
1467 case EXIF_ORIENTATION_LEFT_TOP:
1473 case EXIF_ORIENTATION_RIGHT_TOP:
1474 /* rotated -90 (270) */
1475 *res_x = tile_w - area_y - area_h;
1480 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1481 *res_x = tile_w - area_y - area_h;
1482 *res_y = tile_h - area_x - area_w;
1486 case EXIF_ORIENTATION_LEFT_BOTTOM:
1489 *res_y = tile_h - area_x - area_w;
1494 /* The other values are out of range */
1501 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1504 if (!pr->width || !pr->height) return;
1507 * Update norm_center only if the image is bigger than the window.
1508 * With this condition the stored center survives also a temporary display
1509 * of the "broken image" icon.
1512 if (pr->width > pr->viewport_width)
1514 src_x = pr->x_scroll + pr->vis_width / 2;
1515 pr->norm_center_x = (gdouble)src_x / pr->width;
1518 if (pr->height > pr->viewport_height)
1520 src_y = pr->y_scroll + pr->vis_height / 2;
1521 pr->norm_center_y = (gdouble)src_y / pr->height;
1526 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1531 if (pr->zoom == 0.0)
1539 old_xs = pr->x_scroll;
1540 old_ys = pr->y_scroll;
1542 if (pr->x_offset > 0)
1548 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1551 if (pr->y_offset > 0)
1557 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1560 pixbuf_renderer_sync_scroll_center(pr);
1562 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1565 static gboolean pr_size_clamp(PixbufRenderer *pr)
1567 gint old_vw, old_vh;
1569 old_vw = pr->vis_width;
1570 old_vh = pr->vis_height;
1572 if (pr->width < pr->viewport_width)
1574 pr->vis_width = pr->width;
1575 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1579 pr->vis_width = pr->viewport_width;
1583 if (pr->height < pr->viewport_height)
1585 pr->vis_height = pr->height;
1586 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1590 pr->vis_height = pr->viewport_height;
1594 pixbuf_renderer_sync_scroll_center(pr);
1596 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1599 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1604 gboolean force = !!(flags & PR_ZOOM_FORCE);
1605 gboolean new = !!(flags & PR_ZOOM_NEW);
1607 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1609 if (pr->zoom == zoom && !force) return FALSE;
1611 w = pr->image_width;
1612 h = pr->image_height;
1614 if (zoom == 0.0 && !pr->pixbuf)
1618 else if (zoom == 0.0)
1624 sizeable = (new && pr_parent_window_sizable(pr));
1628 max_w = gdk_screen_width();
1629 max_h = gdk_screen_height();
1631 if (pr->window_limit)
1633 max_w = max_w * pr->window_limit_size / 100;
1634 max_h = max_h * pr->window_limit_size / 100;
1639 max_w = pr->viewport_width;
1640 max_h = pr->viewport_height;
1643 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1645 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1647 scale = (gdouble)max_h / h / pr->aspect_ratio;
1649 w = w * scale + 0.5;
1650 if (w > max_w) w = max_w;
1654 scale = (gdouble)max_w / w;
1656 h = h * scale * pr->aspect_ratio + 0.5;
1657 if (h > max_h) h = max_h;
1660 if (pr->autofit_limit)
1662 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1663 w = w * factor + 0.5;
1664 h = h * factor + 0.5;
1665 scale = scale * factor;
1676 else if (zoom > 0.0) /* zoom orig, in */
1680 h = h * scale * pr->aspect_ratio;
1684 scale = 1.0 / (0.0 - zoom);
1686 h = h * scale * pr->aspect_ratio;
1697 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1698 PrZoomFlags flags, gint px, gint py)
1701 gint old_cx, old_cy;
1702 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1703 gboolean force = !!(flags & PR_ZOOM_FORCE);
1704 gboolean new = !!(flags & PR_ZOOM_NEW);
1705 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1706 PrZoomFlags clamp_flags = flags;
1707 gdouble old_center_x = pr->norm_center_x;
1708 gdouble old_center_y = pr->norm_center_y;
1710 old_scale = pr->scale;
1713 px = CLAMP(px, 0, pr->width);
1714 py = CLAMP(py, 0, pr->height);
1715 old_cx = pr->x_scroll + (px - pr->x_offset);
1716 old_cy = pr->y_scroll + (py - pr->y_offset);
1721 old_cx = pr->x_scroll + pr->vis_width / 2;
1722 old_cy = pr->y_scroll + pr->vis_height / 2;
1725 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1726 if (!pr_zoom_clamp(pr, zoom, clamp_flags)) return;
1728 (void) pr_size_clamp(pr);
1729 (void) 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);
1770 pr->renderer->update_zoom(pr->renderer, lazy);
1771 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1773 pr_scroll_notify_signal(pr);
1775 pr_update_signal(pr);
1778 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1780 gboolean zoom_changed = FALSE;
1782 gint new_viewport_width = new_width;
1783 gint new_viewport_height = new_height;
1785 if (!pr->stereo_temp_disable)
1787 if (pr->stereo_mode & PR_STEREO_HORIZ)
1789 new_viewport_width = new_width / 2;
1791 else if (pr->stereo_mode & PR_STEREO_VERT)
1793 new_viewport_height = new_height / 2;
1795 else if (pr->stereo_mode & PR_STEREO_FIXED)
1797 new_viewport_width = pr->stereo_fixed_width;
1798 new_viewport_height = pr->stereo_fixed_height;
1802 if (pr->window_width == new_width && pr->window_height == new_height &&
1803 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1805 pr->window_width = new_width;
1806 pr->window_height = new_height;
1807 pr->viewport_width = new_viewport_width;
1808 pr->viewport_height = new_viewport_height;
1810 if (pr->zoom == 0.0)
1812 gdouble old_scale = pr->scale;
1813 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE);
1814 zoom_changed = (old_scale != pr->scale);
1818 pr_scroll_clamp(pr);
1822 pr->renderer->update_zoom(pr->renderer, FALSE);
1823 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, FALSE);
1826 pr->renderer->update_viewport(pr->renderer);
1827 if (pr->renderer2) pr->renderer2->update_viewport(pr->renderer2);
1830 /* ensure scroller remains visible */
1831 if (pr->scroller_overlay != -1)
1833 gboolean update = FALSE;
1835 if (pr->scroller_x > new_width)
1837 pr->scroller_x = new_width;
1838 pr->scroller_xpos = new_width;
1841 if (pr->scroller_y > new_height)
1843 pr->scroller_y = new_height;
1844 pr->scroller_ypos = new_height;
1852 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1856 w = gdk_pixbuf_get_width(pixbuf);
1857 h = gdk_pixbuf_get_height(pixbuf);
1858 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1859 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1864 pr_scroll_notify_signal(pr);
1865 if (zoom_changed) pr_zoom_signal(pr);
1866 pr_update_signal(pr);
1869 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1871 PixbufRenderer *pr = data;
1873 pr_size_sync(pr, allocation->width, allocation->height);
1877 *-------------------------------------------------------------------
1879 *-------------------------------------------------------------------
1882 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1887 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1889 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1891 old_x = pr->x_scroll;
1892 old_y = pr->y_scroll;
1897 pr_scroll_clamp(pr);
1899 pixbuf_renderer_sync_scroll_center(pr);
1901 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1903 pr_scroll_notify_signal(pr);
1905 x_off = pr->x_scroll - old_x;
1906 y_off = pr->y_scroll - old_y;
1908 pr->renderer->scroll(pr->renderer, x_off, y_off);
1909 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1912 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1913 gdouble x_align, gdouble y_align)
1918 x_align = CLAMP(x_align, 0.0, 1.0);
1919 y_align = CLAMP(y_align, 0.0, 1.0);
1921 ax = (gdouble)pr->vis_width * x_align;
1922 ay = (gdouble)pr->vis_height * y_align;
1924 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
1925 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
1927 pixbuf_renderer_scroll(pr, px, py);
1930 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
1932 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
1934 *x = pr->norm_center_x;
1935 *y = pr->norm_center_y;
1938 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
1940 gdouble dst_x, dst_y;
1942 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
1943 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
1945 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
1946 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
1948 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
1952 *-------------------------------------------------------------------
1954 *-------------------------------------------------------------------
1957 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventMotion *event, gpointer data)
1961 #if GTK_CHECK_VERSION(3,0,0)
1962 GdkDeviceManager *device_manager;
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 #if GTK_CHECK_VERSION(3,0,0)
1970 device_manager = gdk_display_get_device_manager(gdk_window_get_display(event->window));
1971 device = gdk_device_manager_get_client_pointer(device_manager);
1972 gdk_window_get_device_position(event->window, device, &x, &y, NULL);
1974 gdk_window_get_pointer (event->window, &x, &y, NULL);
1979 pr = PIXBUF_RENDERER(widget);
1981 if (pr->scroller_id)
1983 pr->scroller_xpos = event->x;
1984 pr->scroller_ypos = event->y;
1987 pr->x_mouse = event->x;
1988 pr->y_mouse = event->y;
1989 pr_update_pixel_signal(pr);
1991 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
1993 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
1999 widget_set_cursor(widget, GDK_FLEUR);
2002 if (event->state & GDK_CONTROL_MASK)
2004 accel = PR_PAN_SHIFT_MULTIPLIER;
2012 pixbuf_renderer_scroll(pr, (pr->drag_last_x - event->x) * accel,
2013 (pr->drag_last_y - event->y) * accel);
2015 pr_drag_signal(pr, event);
2017 pr->drag_last_x = event->x;
2018 pr->drag_last_y = event->y;
2020 /* This is recommended by the GTK+ documentation, but does not work properly.
2021 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2022 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2024 /* gdk_event_request_motions (event); */
2028 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2032 pr = PIXBUF_RENDERER(widget);
2036 pr_update_pixel_signal(pr);
2040 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2045 pr = PIXBUF_RENDERER(widget);
2047 if (pr->scroller_id) return TRUE;
2049 switch (bevent->button)
2051 case MOUSE_BUTTON_LEFT:
2053 pr->drag_last_x = bevent->x;
2054 pr->drag_last_y = bevent->y;
2056 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2057 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2058 NULL, NULL, bevent->time);
2059 gtk_grab_add(widget);
2061 case MOUSE_BUTTON_MIDDLE:
2064 case MOUSE_BUTTON_RIGHT:
2065 pr_clicked_signal(pr, bevent);
2071 parent = gtk_widget_get_parent(widget);
2072 if (widget && gtk_widget_get_can_focus(parent))
2074 gtk_widget_grab_focus(parent);
2080 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2084 pr = PIXBUF_RENDERER(widget);
2086 if (pr->scroller_id)
2088 pr_scroller_stop(pr);
2092 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2094 gtk_grab_remove(widget);
2095 gdk_pointer_ungrab(bevent->time);
2096 widget_set_cursor(widget, -1);
2099 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2101 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2103 pr_scroller_start(pr, bevent->x, bevent->y);
2105 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2107 pr_clicked_signal(pr, bevent);
2111 pr->in_drag = FALSE;
2116 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2120 pr = PIXBUF_RENDERER(widget);
2122 if (pr->scroller_id)
2124 pr->scroller_xpos = pr->scroller_x;
2125 pr->scroller_ypos = pr->scroller_y;
2126 pr->scroller_xinc = 0;
2127 pr->scroller_yinc = 0;
2133 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2137 pr = PIXBUF_RENDERER(widget);
2139 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2142 static void pr_signals_connect(PixbufRenderer *pr)
2144 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2145 G_CALLBACK(pr_mouse_motion_cb), pr);
2146 g_signal_connect(G_OBJECT(pr), "button_press_event",
2147 G_CALLBACK(pr_mouse_press_cb), pr);
2148 g_signal_connect(G_OBJECT(pr), "button_release_event",
2149 G_CALLBACK(pr_mouse_release_cb), pr);
2150 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2151 G_CALLBACK(pr_mouse_leave_cb), pr);
2152 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2153 G_CALLBACK(pr_leave_notify_cb), pr);
2155 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2156 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_SCROLL_MASK |
2157 GDK_LEAVE_NOTIFY_MASK);
2159 g_signal_connect(G_OBJECT(pr), "drag_begin",
2160 G_CALLBACK(pr_mouse_drag_cb), pr);
2165 *-------------------------------------------------------------------
2167 *-------------------------------------------------------------------
2170 #define COLOR_BYTES 3 /* rgb */
2171 #define RC 0 /* Red-Cyan */
2172 #define GM 1 /* Green-Magenta */
2173 #define YB 2 /* Yellow-Blue */
2175 static void pr_create_anaglyph_color(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2178 guchar *s_pix, *d_pix;
2183 srs = gdk_pixbuf_get_rowstride(right);
2184 s_pix = gdk_pixbuf_get_pixels(right);
2185 spi = s_pix + (x * COLOR_BYTES);
2187 drs = gdk_pixbuf_get_rowstride(pixbuf);
2188 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2189 dpi = d_pix + x * COLOR_BYTES;
2191 for (i = y; i < y + h; i++)
2193 sp = spi + (i * srs);
2194 dp = dpi + (i * drs);
2195 for (j = 0; j < w; j++)
2200 dp[0] = sp[0]; /* copy red channel */
2216 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2219 guchar *s_pix, *d_pix;
2223 const double gc[3] = {0.299, 0.587, 0.114};
2225 srs = gdk_pixbuf_get_rowstride(right);
2226 s_pix = gdk_pixbuf_get_pixels(right);
2227 spi = s_pix + (x * COLOR_BYTES);
2229 drs = gdk_pixbuf_get_rowstride(pixbuf);
2230 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2231 dpi = d_pix + x * COLOR_BYTES;
2233 for (i = y; i < y + h; i++)
2235 sp = spi + (i * srs);
2236 dp = dpi + (i * drs);
2237 for (j = 0; j < w; j++)
2239 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2240 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2244 dp[0] = g2; /* red channel from sp */
2245 dp[1] = g1; /* green and blue from dp */
2265 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h, guint mode)
2268 guchar *s_pix, *d_pix;
2272 double pr_dubois_matrix[3][6];
2273 const static double pr_dubois_matrix_RC[3][6] = {
2274 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2275 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2276 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}};
2277 const static double pr_dubois_matrix_GM[3][6] = {
2278 {-0.062, -0.158, -0.039, 0.529, 0.705, 0.024},
2279 { 0.284, 0.668, 0.143, -0.016, -0.015, -0.065},
2280 {-0.015, -0.027, 0.021, 0.009, 0.075, 0.937}};
2281 const static double pr_dubois_matrix_YB[3][6] = {
2282 { 1.000, -0.193, 0.282, -0.015, -0.116, -0.016},
2283 {-0.024, 0.855, 0.064, 0.006, 0.058, -0.016},
2284 {-0.036, -0.163, 0.021, 0.089, 0.174, 0.858}};
2289 memcpy(pr_dubois_matrix, pr_dubois_matrix_RC, sizeof pr_dubois_matrix);
2292 memcpy(pr_dubois_matrix, pr_dubois_matrix_GM, sizeof pr_dubois_matrix);
2295 memcpy(pr_dubois_matrix, pr_dubois_matrix_YB, sizeof pr_dubois_matrix);
2299 srs = gdk_pixbuf_get_rowstride(right);
2300 s_pix = gdk_pixbuf_get_pixels(right);
2301 spi = s_pix + (x * COLOR_BYTES);
2303 drs = gdk_pixbuf_get_rowstride(pixbuf);
2304 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2305 dpi = d_pix + x * COLOR_BYTES;
2307 for (i = y; i < y + h; i++)
2309 sp = spi + (i * srs);
2310 dp = dpi + (i * drs);
2311 for (j = 0; j < w; j++)
2314 for (k = 0; k < 3; k++)
2316 const double *m = pr_dubois_matrix[k];
2317 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];
2318 if (res[k] < 0.0) res[k] = 0;
2319 if (res[k] > 255.0) res[k] = 255.0;
2330 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2332 if (mode & PR_STEREO_ANAGLYPH_RC)
2333 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, RC);
2334 else if (mode & PR_STEREO_ANAGLYPH_GM)
2335 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, GM);
2336 else if (mode & PR_STEREO_ANAGLYPH_YB)
2337 pr_create_anaglyph_color(pixbuf, right, x, y, w, h, YB);
2338 else if (mode & PR_STEREO_ANAGLYPH_GRAY_RC)
2339 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, RC);
2340 else if (mode & PR_STEREO_ANAGLYPH_GRAY_GM)
2341 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, GM);
2342 else if (mode & PR_STEREO_ANAGLYPH_GRAY_YB)
2343 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h, YB);
2344 else if (mode & PR_STEREO_ANAGLYPH_DB_RC)
2345 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, RC);
2346 else if (mode & PR_STEREO_ANAGLYPH_DB_GM)
2347 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, GM);
2348 else if (mode & PR_STEREO_ANAGLYPH_DB_YB)
2349 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h, YB);
2353 *-------------------------------------------------------------------
2355 *-------------------------------------------------------------------
2357 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2359 pr->stereo_pixbuf_offset_left = 0;
2360 pr->stereo_pixbuf_offset_right = 0;
2361 if (!pr->pixbuf) return;
2362 switch (pr->orientation)
2364 case EXIF_ORIENTATION_LEFT_TOP:
2365 case EXIF_ORIENTATION_RIGHT_TOP:
2366 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2367 case EXIF_ORIENTATION_LEFT_BOTTOM:
2368 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2369 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2370 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2372 pr->image_height /= 2;
2373 pr->stereo_pixbuf_offset_right = pr->image_height;
2375 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2377 pr->image_height /= 2;
2378 pr->stereo_pixbuf_offset_left = pr->image_height;
2383 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2384 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2385 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2387 pr->image_width /= 2;
2388 pr->stereo_pixbuf_offset_right = pr->image_width;
2390 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2392 pr->image_width /= 2;
2393 pr->stereo_pixbuf_offset_left = pr->image_width;
2398 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2400 if (pixbuf) g_object_ref(pixbuf);
2401 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2402 pr->pixbuf = pixbuf;
2406 /* no pixbuf so just clear the window */
2407 pr->image_width = 0;
2408 pr->image_height = 0;
2410 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2411 and used for pixbuf_renderer_zoom_get */
2413 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2414 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2416 pr_update_signal(pr);
2421 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2423 gint disable = !pr->pixbuf || ! pr->stereo_data;
2424 pr_stereo_temp_disable(pr, disable);
2427 pr_pixbuf_size_sync(pr);
2428 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2429 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2430 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2433 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2435 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2437 pr_source_tile_unset(pr);
2439 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2441 pr_update_signal(pr);
2444 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2446 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2448 pr_source_tile_unset(pr);
2450 pr->orientation = orientation;
2451 pr->stereo_data = stereo_data;
2452 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2454 pr_update_signal(pr);
2457 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2459 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2464 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2466 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2468 pr->orientation = orientation;
2470 pr_pixbuf_size_sync(pr);
2471 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2474 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2477 return pr->orientation;
2480 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2482 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2483 if (pr->stereo_data == stereo_data) return;
2486 pr->stereo_data = stereo_data;
2488 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2490 gint disable = !pr->pixbuf || ! pr->stereo_data;
2491 pr_stereo_temp_disable(pr, disable);
2493 pr_pixbuf_size_sync(pr);
2494 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2495 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2496 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2499 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2501 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2503 pr->func_post_process = func;
2504 pr->post_process_user_data = user_data;
2505 pr->post_process_slow = func && slow;
2510 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2513 PixbufRendererScrollResetType scroll_reset;
2515 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2516 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2518 if (pr == source) return;
2520 object = G_OBJECT(pr);
2522 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2523 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2524 g_object_set(object, "loading", source->loading, NULL);
2526 pr->complete = source->complete;
2528 pr->x_scroll = source->x_scroll;
2529 pr->y_scroll = source->y_scroll;
2530 pr->x_mouse = source->x_mouse;
2531 pr->y_mouse = source->y_mouse;
2533 scroll_reset = pr->scroll_reset;
2534 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2536 pr->func_post_process = source->func_post_process;
2537 pr->post_process_user_data = source->post_process_user_data;
2538 pr->post_process_slow = source->post_process_slow;
2539 pr->orientation = source->orientation;
2540 pr->stereo_data = source->stereo_data;
2542 if (source->source_tiles_enabled)
2544 pr_source_tile_unset(pr);
2546 pr->source_tiles_enabled = source->source_tiles_enabled;
2547 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2548 pr->source_tile_width = source->source_tile_width;
2549 pr->source_tile_height = source->source_tile_height;
2550 pr->image_width = source->image_width;
2551 pr->image_height = source->image_height;
2553 pr->func_tile_request = source->func_tile_request;
2554 pr->func_tile_dispose = source->func_tile_dispose;
2555 pr->func_tile_data = source->func_tile_data;
2557 pr->source_tiles = source->source_tiles;
2558 source->source_tiles = NULL;
2560 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2564 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2567 pr->scroll_reset = scroll_reset;
2569 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2572 void pixbuf_renderer_copy(PixbufRenderer *pr, PixbufRenderer *source)
2575 PixbufRendererScrollResetType scroll_reset;
2577 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2578 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2580 if (pr == source) return;
2582 object = G_OBJECT(pr);
2584 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2585 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2586 g_object_set(object, "loading", source->loading, NULL);
2588 pr->complete = source->complete;
2590 pr->x_scroll = source->x_scroll;
2591 pr->y_scroll = source->y_scroll;
2592 pr->x_mouse = source->x_mouse;
2593 pr->y_mouse = source->y_mouse;
2595 scroll_reset = pr->scroll_reset;
2596 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2598 pr->orientation = source->orientation;
2599 pr->stereo_data = source->stereo_data;
2601 if (source->source_tiles_enabled)
2603 pr->source_tiles_enabled = source->source_tiles_enabled;
2604 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2605 pr->source_tile_width = source->source_tile_width;
2606 pr->source_tile_height = source->source_tile_height;
2607 pr->image_width = source->image_width;
2608 pr->image_height = source->image_height;
2610 pr->func_tile_request = source->func_tile_request;
2611 pr->func_tile_dispose = source->func_tile_dispose;
2612 pr->func_tile_data = source->func_tile_data;
2614 pr->source_tiles = source->source_tiles;
2615 source->source_tiles = NULL;
2617 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2621 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2624 pr->scroll_reset = scroll_reset;
2627 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2629 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2631 if (pr->source_tiles_enabled)
2633 pr_source_tile_changed(pr, x, y, w, h);
2636 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2637 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2640 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2642 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2644 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2647 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2649 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2651 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2654 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2656 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2658 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2661 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2663 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2668 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2670 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2675 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2677 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2679 if (min > 1.0 || max < 1.0) return;
2680 if (min < 1.0 && min > -1.0) return;
2681 if (min < -200.0 || max > 200.0) return;
2683 if (pr->zoom_min != min)
2686 g_object_notify(G_OBJECT(pr), "zoom_min");
2688 if (pr->zoom_max != max)
2691 g_object_notify(G_OBJECT(pr), "zoom_max");
2695 static void pr_stereo_set(PixbufRenderer *pr)
2697 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2699 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2701 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2703 if (!pr->renderer2) pr->renderer2 = pr_backend_renderer_new(pr);
2704 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2708 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2709 pr->renderer2 = NULL;
2711 if (pr->stereo_mode & PR_STEREO_HALF)
2713 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2714 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2715 else pr->aspect_ratio = 1.0;
2719 pr->aspect_ratio = 1.0;
2723 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2725 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2726 pr->stereo_mode = stereo_mode;
2727 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2729 pr->stereo_temp_disable = FALSE;
2735 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2736 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2740 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2742 pr->stereo_fixed_width = width;
2743 pr->stereo_fixed_height = height;
2744 pr->stereo_fixed_x_left = x1;
2745 pr->stereo_fixed_y_left = y1;
2746 pr->stereo_fixed_x_right = x2;
2747 pr->stereo_fixed_y_right = y2;
2750 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2752 return pr->stereo_mode;
2755 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2757 if (pr->stereo_temp_disable == disable) return;
2758 pr->stereo_temp_disable = disable;
2761 if (!pr->renderer) pr->renderer = pr_backend_renderer_new(pr);
2762 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2763 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2764 pr->renderer2 = NULL;
2765 pr->aspect_ratio = 1.0;
2771 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2774 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2775 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2777 GdkPixbuf *pb = pr->pixbuf;
2780 gint map_x, map_y, map_w, map_h;
2783 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2784 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2786 if (!pr->pixbuf && !pr->source_tiles_enabled)
2794 if (!pb) return FALSE;
2796 pr_tile_region_map_orientation(pr->orientation,
2798 pr->image_width, pr->image_height,
2799 1, 1, /*single pixel */
2803 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2804 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2806 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2807 prs = gdk_pixbuf_get_rowstride(pb);
2808 p_pix = gdk_pixbuf_get_pixels(pb);
2810 xoff = (size_t)map_x * (p_alpha ? 4 : 3);
2811 yoff = (size_t)map_y * prs;
2812 pp = p_pix + yoff + xoff;
2822 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2824 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2826 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2827 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2829 if (!pr->pixbuf && !pr->source_tiles_enabled)
2831 *x_pixel_return = -1;
2832 *y_pixel_return = -1;
2836 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2837 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2838 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2839 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2841 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2843 /* mouse is not on pr */
2844 x_pixel = y_pixel = -1;
2847 *x_pixel_return = x_pixel;
2848 *y_pixel_return = y_pixel;
2853 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2855 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2856 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2858 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2865 *width = pr->image_width;
2866 *height = pr->image_height;
2870 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2872 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2873 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2875 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2883 *height = pr->height;
2887 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2889 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2890 g_return_val_if_fail(rect != NULL, FALSE);
2892 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2902 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2903 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2904 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2905 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2909 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2911 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2912 g_return_val_if_fail(rect != NULL, FALSE);
2914 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2923 rect->x = pr->x_scroll;
2924 rect->y = pr->y_scroll;
2925 rect->width = pr->vis_width;
2926 rect->height = pr->vis_height;
2930 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2933 /* FIXME: this function does not consider the image orientation,
2934 so it probably only breaks something */
2938 zoom = pixbuf_renderer_zoom_get(pr);
2939 pr->image_width = width;
2940 pr->image_height = height;
2942 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2947 //pr->width = width;
2948 //pr->height = height;
2952 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */