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 #if GTK_CHECK_VERSION(3,0,0)
126 static gboolean pixbuf_renderer_draw(GtkWidget *widget, cairo_t *cr);
128 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event);
131 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start);
134 static void pr_source_tile_free_all(PixbufRenderer *pr);
136 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
137 PrZoomFlags flags, gint px, gint py);
139 static void pr_signals_connect(PixbufRenderer *pr);
140 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data);
141 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area);
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);
181 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(class);
183 parent_class = g_type_class_peek_parent(class);
185 gobject_class->set_property = pixbuf_renderer_set_property;
186 gobject_class->get_property = pixbuf_renderer_get_property;
188 gobject_class->finalize = pixbuf_renderer_finalize;
190 #if GTK_CHECK_VERSION(3,0,0)
191 widget_class->draw = pixbuf_renderer_draw;
193 widget_class->expose_event = pixbuf_renderer_expose;
196 g_object_class_install_property(gobject_class,
198 g_param_spec_double("zoom_min",
204 G_PARAM_READABLE | G_PARAM_WRITABLE));
206 g_object_class_install_property(gobject_class,
208 g_param_spec_double("zoom_max",
214 G_PARAM_READABLE | G_PARAM_WRITABLE));
216 g_object_class_install_property(gobject_class,
218 g_param_spec_uint("zoom_quality",
224 G_PARAM_READABLE | G_PARAM_WRITABLE));
226 g_object_class_install_property(gobject_class,
228 g_param_spec_boolean("zoom_2pass",
232 G_PARAM_READABLE | G_PARAM_WRITABLE));
234 g_object_class_install_property(gobject_class,
236 g_param_spec_boolean("zoom_expand",
237 "Expand image in autozoom.",
240 G_PARAM_READABLE | G_PARAM_WRITABLE));
241 g_object_class_install_property(gobject_class,
243 g_param_spec_uint("scroll_reset",
244 "New image scroll reset",
246 PR_SCROLL_RESET_TOPLEFT,
247 PR_SCROLL_RESET_NOCHANGE,
248 PR_SCROLL_RESET_TOPLEFT,
249 G_PARAM_READABLE | G_PARAM_WRITABLE));
251 g_object_class_install_property(gobject_class,
253 g_param_spec_boolean("delay_flip",
254 "Delay image update",
257 G_PARAM_READABLE | G_PARAM_WRITABLE));
259 g_object_class_install_property(gobject_class,
261 g_param_spec_boolean("loading",
262 "Image actively loading",
265 G_PARAM_READABLE | G_PARAM_WRITABLE));
267 g_object_class_install_property(gobject_class,
269 g_param_spec_boolean("complete",
270 "Image rendering complete",
273 G_PARAM_READABLE | G_PARAM_WRITABLE));
275 g_object_class_install_property(gobject_class,
276 PROP_CACHE_SIZE_DISPLAY,
277 g_param_spec_uint("cache_display",
278 "Display cache size MB",
282 PR_CACHE_SIZE_DEFAULT,
283 G_PARAM_READABLE | G_PARAM_WRITABLE));
285 g_object_class_install_property(gobject_class,
286 PROP_CACHE_SIZE_TILES,
287 g_param_spec_uint("cache_tiles",
289 "Number of tiles to retain in memory at any one time.",
292 PR_CACHE_SIZE_DEFAULT,
293 G_PARAM_READABLE | G_PARAM_WRITABLE));
295 g_object_class_install_property(gobject_class,
297 g_param_spec_boolean("window_fit",
298 "Fit window to image size",
301 G_PARAM_READABLE | G_PARAM_WRITABLE));
303 g_object_class_install_property(gobject_class,
305 g_param_spec_boolean("window_limit",
306 "Limit size of parent window",
309 G_PARAM_READABLE | G_PARAM_WRITABLE));
311 g_object_class_install_property(gobject_class,
312 PROP_WINDOW_LIMIT_VALUE,
313 g_param_spec_uint("window_limit_value",
314 "Size limit of parent window",
319 G_PARAM_READABLE | G_PARAM_WRITABLE));
321 g_object_class_install_property(gobject_class,
323 g_param_spec_boolean("autofit_limit",
324 "Limit size of image when autofitting",
327 G_PARAM_READABLE | G_PARAM_WRITABLE));
329 g_object_class_install_property(gobject_class,
330 PROP_AUTOFIT_LIMIT_VALUE,
331 g_param_spec_uint("autofit_limit_value",
332 "Size limit of image when autofitting",
337 G_PARAM_READABLE | G_PARAM_WRITABLE));
340 signals[SIGNAL_ZOOM] =
342 G_OBJECT_CLASS_TYPE(gobject_class),
344 G_STRUCT_OFFSET(PixbufRendererClass, zoom),
346 g_cclosure_marshal_VOID__DOUBLE,
350 signals[SIGNAL_CLICKED] =
351 g_signal_new("clicked",
352 G_OBJECT_CLASS_TYPE(gobject_class),
354 G_STRUCT_OFFSET(PixbufRendererClass, clicked),
356 g_cclosure_marshal_VOID__BOXED,
360 signals[SIGNAL_SCROLL_NOTIFY] =
361 g_signal_new("scroll-notify",
362 G_OBJECT_CLASS_TYPE(gobject_class),
364 G_STRUCT_OFFSET(PixbufRendererClass, scroll_notify),
366 g_cclosure_marshal_VOID__VOID,
369 signals[SIGNAL_RENDER_COMPLETE] =
370 g_signal_new("render-complete",
371 G_OBJECT_CLASS_TYPE(gobject_class),
373 G_STRUCT_OFFSET(PixbufRendererClass, render_complete),
375 g_cclosure_marshal_VOID__VOID,
378 signals[SIGNAL_DRAG] =
380 G_OBJECT_CLASS_TYPE(gobject_class),
382 G_STRUCT_OFFSET(PixbufRendererClass, drag),
384 g_cclosure_marshal_VOID__BOXED,
388 signals[SIGNAL_UPDATE_PIXEL] =
389 g_signal_new("update-pixel",
390 G_OBJECT_CLASS_TYPE(gobject_class),
392 G_STRUCT_OFFSET(PixbufRendererClass, update_pixel),
394 g_cclosure_marshal_VOID__VOID,
398 static void pixbuf_renderer_init(PixbufRenderer *pr)
402 box = GTK_WIDGET(pr);
404 pr->zoom_min = PR_ZOOM_MIN;
405 pr->zoom_max = PR_ZOOM_MAX;
406 pr->zoom_quality = GDK_INTERP_BILINEAR;
407 pr->zoom_2pass = FALSE;
411 pr->aspect_ratio = 1.0;
413 pr->scroll_reset = PR_SCROLL_RESET_TOPLEFT;
416 pr->scroller_overlay = -1;
421 pr->source_tiles_enabled = FALSE;
422 pr->source_tiles = NULL;
426 pr->norm_center_x = 0.5;
427 pr->norm_center_y = 0.5;
429 pr->stereo_mode = PR_STEREO_NONE;
431 pr->renderer = RENDERER_NEW(pr);
433 pr->renderer2 = NULL;
435 gtk_widget_set_double_buffered(box, FALSE);
436 g_signal_connect_after(G_OBJECT(box), "size_allocate",
437 G_CALLBACK(pr_size_cb), pr);
439 pr_signals_connect(pr);
442 static void pixbuf_renderer_finalize(GObject *object)
446 pr = PIXBUF_RENDERER(object);
448 pr->renderer->free(pr->renderer);
449 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
452 if (pr->pixbuf) g_object_unref(pr->pixbuf);
454 pr_scroller_timer_set(pr, FALSE);
456 pr_source_tile_free_all(pr);
459 PixbufRenderer *pixbuf_renderer_new(void)
461 return g_object_new(TYPE_PIXBUF_RENDERER, NULL);
464 static void pixbuf_renderer_set_property(GObject *object, guint prop_id,
465 const GValue *value, GParamSpec *pspec)
469 pr = PIXBUF_RENDERER(object);
474 pr->zoom_min = g_value_get_double(value);
477 pr->zoom_max = g_value_get_double(value);
479 case PROP_ZOOM_QUALITY:
480 pr->zoom_quality = g_value_get_uint(value);
482 case PROP_ZOOM_2PASS:
483 pr->zoom_2pass = g_value_get_boolean(value);
485 case PROP_ZOOM_EXPAND:
486 pr->zoom_expand = g_value_get_boolean(value);
488 case PROP_SCROLL_RESET:
489 pr->scroll_reset = g_value_get_uint(value);
491 case PROP_DELAY_FLIP:
492 pr->delay_flip = g_value_get_boolean(value);
495 pr->loading = g_value_get_boolean(value);
498 pr->complete = g_value_get_boolean(value);
500 case PROP_CACHE_SIZE_DISPLAY:
501 // pr->tile_cache_max = g_value_get_uint(value);
503 case PROP_CACHE_SIZE_TILES:
504 pr->source_tiles_cache_size = g_value_get_uint(value);
506 case PROP_WINDOW_FIT:
507 pr->window_fit = g_value_get_boolean(value);
509 case PROP_WINDOW_LIMIT:
510 pr->window_limit = g_value_get_boolean(value);
512 case PROP_WINDOW_LIMIT_VALUE:
513 pr->window_limit_size = g_value_get_uint(value);
515 case PROP_AUTOFIT_LIMIT:
516 pr->autofit_limit = g_value_get_boolean(value);
518 case PROP_AUTOFIT_LIMIT_VALUE:
519 pr->autofit_limit_size = g_value_get_uint(value);
522 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
527 static void pixbuf_renderer_get_property(GObject *object, guint prop_id,
528 GValue *value, GParamSpec *pspec)
532 pr = PIXBUF_RENDERER(object);
537 g_value_set_double(value, pr->zoom_min);
540 g_value_set_double(value, pr->zoom_max);
542 case PROP_ZOOM_QUALITY:
543 g_value_set_uint(value, pr->zoom_quality);
545 case PROP_ZOOM_2PASS:
546 g_value_set_boolean(value, pr->zoom_2pass);
548 case PROP_ZOOM_EXPAND:
549 g_value_set_boolean(value, pr->zoom_expand);
551 case PROP_SCROLL_RESET:
552 g_value_set_uint(value, pr->scroll_reset);
554 case PROP_DELAY_FLIP:
555 g_value_set_boolean(value, pr->delay_flip);
558 g_value_set_boolean(value, pr->loading);
561 g_value_set_boolean(value, pr->complete);
563 case PROP_CACHE_SIZE_DISPLAY:
564 // g_value_set_uint(value, pr->tile_cache_max);
566 case PROP_CACHE_SIZE_TILES:
567 g_value_set_uint(value, pr->source_tiles_cache_size);
569 case PROP_WINDOW_FIT:
570 g_value_set_boolean(value, pr->window_fit);
572 case PROP_WINDOW_LIMIT:
573 g_value_set_boolean(value, pr->window_limit);
575 case PROP_WINDOW_LIMIT_VALUE:
576 g_value_set_uint(value, pr->window_limit_size);
578 case PROP_AUTOFIT_LIMIT:
579 g_value_set_boolean(value, pr->autofit_limit);
581 case PROP_AUTOFIT_LIMIT_VALUE:
582 g_value_set_uint(value, pr->autofit_limit_size);
585 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
590 #if GTK_CHECK_VERSION(3,0,0)
592 static gboolean pixbuf_renderer_draw(GtkWidget *widget, cairo_t *cr)
594 if (gtk_widget_is_drawable(widget))
596 if (gtk_widget_get_has_window(widget))
599 if (gdk_cairo_get_clip_rectangle(cr, &area))
601 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
610 static gboolean pixbuf_renderer_expose(GtkWidget *widget, GdkEventExpose *event)
612 #if GTK_CHECK_VERSION(2,20,0)
613 if (gtk_widget_is_drawable(widget))
615 if (GTK_WIDGET_DRAWABLE(widget))
618 #if GTK_CHECK_VERSION(2,20,0)
619 if (gtk_widget_get_has_window(widget))
621 if (!GTK_WIDGET_NO_WINDOW(widget))
624 if (event->window != gtk_widget_get_window(widget))
628 gdk_window_get_position(event->window, &area.x, &area.y);
629 area.x += event->area.x;
630 area.y += event->area.y;
631 area.width = event->area.width;
632 area.height = event->area.height;
633 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &area);
637 pixbuf_renderer_paint(PIXBUF_RENDERER(widget), &event->area);
647 *-------------------------------------------------------------------
649 *-------------------------------------------------------------------
652 static void widget_set_cursor(GtkWidget *widget, gint icon)
656 if (!gtk_widget_get_window(widget)) return;
664 cursor = gdk_cursor_new(icon);
667 gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
669 if (cursor) gdk_cursor_unref(cursor);
672 gboolean pr_clip_region(gint x, gint y, gint w, gint h,
673 gint clip_x, gint clip_y, gint clip_w, gint clip_h,
674 gint *rx, gint *ry, gint *rw, gint *rh)
676 if (clip_x + clip_w <= x ||
678 clip_y + clip_h <= y ||
684 *rx = MAX(x, clip_x);
685 *rw = MIN((x + w), (clip_x + clip_w)) - *rx;
687 *ry = MAX(y, clip_y);
688 *rh = MIN((y + h), (clip_y + clip_h)) - *ry;
693 static gboolean pr_parent_window_sizable(PixbufRenderer *pr)
695 GdkWindowState state;
697 if (!pr->parent_window) return FALSE;
698 if (!pr->window_fit) return FALSE;
699 if (!gtk_widget_get_window(GTK_WIDGET(pr))) return FALSE;
701 if (!gtk_widget_get_window(pr->parent_window)) return FALSE;
702 state = gdk_window_get_state(gtk_widget_get_window(pr->parent_window));
703 if (state & GDK_WINDOW_STATE_MAXIMIZED) return FALSE;
708 static gboolean pr_parent_window_resize(PixbufRenderer *pr, gint w, gint h)
713 GtkAllocation widget_allocation;
714 GtkAllocation parent_allocation;
716 if (!pr_parent_window_sizable(pr)) return FALSE;
718 if (pr->window_limit)
720 gint sw = gdk_screen_width() * pr->window_limit_size / 100;
721 gint sh = gdk_screen_height() * pr->window_limit_size / 100;
727 widget = GTK_WIDGET(pr);
728 parent = GTK_WIDGET(pr->parent_window);
730 gtk_widget_get_allocation(widget, &widget_allocation);
731 gtk_widget_get_allocation(parent, &parent_allocation);
733 w += (parent_allocation.width - widget_allocation.width);
734 h += (parent_allocation.height - widget_allocation.height);
736 ww = gdk_window_get_width(gtk_widget_get_window(parent));
737 wh = gdk_window_get_height(gtk_widget_get_window(parent));
738 if (w == ww && h == wh) return FALSE;
740 gdk_window_resize(gtk_widget_get_window(parent), w, h);
745 void pixbuf_renderer_set_parent(PixbufRenderer *pr, GtkWindow *window)
747 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
748 g_return_if_fail(window == NULL || GTK_IS_WINDOW(window));
750 pr->parent_window = GTK_WIDGET(window);
753 GtkWindow *pixbuf_renderer_get_parent(PixbufRenderer *pr)
755 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
757 return GTK_WINDOW(pr->parent_window);
762 *-------------------------------------------------------------------
764 *-------------------------------------------------------------------
768 gint pixbuf_renderer_overlay_add(PixbufRenderer *pr, GdkPixbuf *pixbuf, gint x, gint y,
769 OverlayRendererFlags flags)
771 /* let's assume both renderers returns the same value */
772 if (pr->renderer2) pr->renderer2->overlay_add(pr->renderer2, pixbuf, x, y, flags);
773 return pr->renderer->overlay_add(pr->renderer, pixbuf, x, y, flags);
776 void pixbuf_renderer_overlay_set(PixbufRenderer *pr, gint id, GdkPixbuf *pixbuf, gint x, gint y)
778 pr->renderer->overlay_set(pr->renderer, id, pixbuf, x, y);
779 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, pixbuf, x, y);
782 gboolean pixbuf_renderer_overlay_get(PixbufRenderer *pr, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
784 if (pr->renderer2) pr->renderer2->overlay_get(pr->renderer2, id, pixbuf, x, y);
785 return pr->renderer->overlay_get(pr->renderer, id, pixbuf, x, y);
788 void pixbuf_renderer_overlay_remove(PixbufRenderer *pr, gint id)
790 pr->renderer->overlay_set(pr->renderer, id, NULL, 0, 0);
791 if (pr->renderer2) pr->renderer2->overlay_set(pr->renderer2, id, NULL, 0, 0);
795 *-------------------------------------------------------------------
797 *-------------------------------------------------------------------
801 static gboolean pr_scroller_update_cb(gpointer data)
803 PixbufRenderer *pr = data;
807 /* this was a simple scroll by difference between scroller and mouse position,
808 * but all this math results in a smoother result and accounts for a dead zone.
811 if (abs(pr->scroller_xpos - pr->scroller_x) < PR_SCROLLER_DEAD_ZONE)
817 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
818 x = (pr->scroller_xpos - pr->scroller_x) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
819 x += (x > 0) ? -shift : shift;
822 if (abs(pr->scroller_ypos - pr->scroller_y) < PR_SCROLLER_DEAD_ZONE)
828 gint shift = PR_SCROLLER_DEAD_ZONE / 2 * PR_SCROLLER_UPDATES_PER_SEC;
829 y = (pr->scroller_ypos - pr->scroller_y) / 2 * PR_SCROLLER_UPDATES_PER_SEC;
830 y += (y > 0) ? -shift : shift;
833 if (abs(x) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
839 xinc = pr->scroller_xinc;
843 if (xinc < 0) xinc = 0;
844 if (x < xinc) xinc = x;
845 if (x > xinc) xinc = MIN(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
849 if (xinc > 0) xinc = 0;
850 if (x > xinc) xinc = x;
851 if (x < xinc) xinc = MAX(xinc + x / PR_SCROLLER_UPDATES_PER_SEC, x);
855 if (abs(y) < PR_SCROLLER_DEAD_ZONE * PR_SCROLLER_UPDATES_PER_SEC)
861 yinc = pr->scroller_yinc;
865 if (yinc < 0) yinc = 0;
866 if (y < yinc) yinc = y;
867 if (y > yinc) yinc = MIN(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
871 if (yinc > 0) yinc = 0;
872 if (y > yinc) yinc = y;
873 if (y < yinc) yinc = MAX(yinc + y / PR_SCROLLER_UPDATES_PER_SEC, y);
877 pr->scroller_xinc = xinc;
878 pr->scroller_yinc = yinc;
880 xinc = xinc / PR_SCROLLER_UPDATES_PER_SEC;
881 yinc = yinc / PR_SCROLLER_UPDATES_PER_SEC;
883 pixbuf_renderer_scroll(pr, xinc, yinc);
888 static void pr_scroller_timer_set(PixbufRenderer *pr, gboolean start)
892 g_source_remove(pr->scroller_id);
898 pr->scroller_id = g_timeout_add(1000 / PR_SCROLLER_UPDATES_PER_SEC,
899 pr_scroller_update_cb, pr);
903 static void pr_scroller_start(PixbufRenderer *pr, gint x, gint y)
905 if (pr->scroller_overlay == -1)
911 pixbuf = pixbuf_inline(PIXBUF_INLINE_SCROLLER);
913 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
914 gdk_pixbuf_fill(pixbuf, 0x000000ff);
916 w = gdk_pixbuf_get_width(pixbuf);
917 h = gdk_pixbuf_get_height(pixbuf);
919 pr->scroller_overlay = pixbuf_renderer_overlay_add(pr, pixbuf, x - w / 2, y - h / 2, OVL_NORMAL);
920 g_object_unref(pixbuf);
925 pr->scroller_xpos = x;
926 pr->scroller_ypos = y;
928 pr_scroller_timer_set(pr, TRUE);
931 static void pr_scroller_stop(PixbufRenderer *pr)
933 if (!pr->scroller_id) return;
935 pixbuf_renderer_overlay_remove(pr, pr->scroller_overlay);
936 pr->scroller_overlay = -1;
938 pr_scroller_timer_set(pr, FALSE);
942 *-------------------------------------------------------------------
944 *-------------------------------------------------------------------
947 void pixbuf_renderer_set_color(PixbufRenderer *pr, GdkColor *color)
952 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
954 widget = GTK_WIDGET(pr);
959 style = gtk_style_copy(gtk_widget_get_style(widget));
960 slot = &style->bg[GTK_STATE_NORMAL];
962 slot->red = color->red;
963 slot->green = color->green;
964 slot->blue = color->blue;
967 style = gtk_style_copy(gtk_widget_get_default_style());
970 gtk_widget_set_style(widget, style);
972 pr->renderer->update_sizes(pr->renderer);
973 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
977 *-------------------------------------------------------------------
979 *-------------------------------------------------------------------
982 static void pr_source_tile_free(SourceTile *st)
986 if (st->pixbuf) g_object_unref(st->pixbuf);
990 static void pr_source_tile_free_all(PixbufRenderer *pr)
994 work = pr->source_tiles;
1002 pr_source_tile_free(st);
1005 g_list_free(pr->source_tiles);
1006 pr->source_tiles = NULL;
1009 static void pr_source_tile_unset(PixbufRenderer *pr)
1011 pr_source_tile_free_all(pr);
1012 pr->source_tiles_enabled = FALSE;
1015 static gboolean pr_source_tile_visible(PixbufRenderer *pr, SourceTile *st)
1017 gint x1, y1, x2, y2;
1019 if (!st) return FALSE;
1021 // x1 = ROUND_DOWN(pr->x_scroll, pr->tile_width);
1022 // y1 = ROUND_DOWN(pr->y_scroll, pr->tile_height);
1023 // x2 = ROUND_UP(pr->x_scroll + pr->vis_width, pr->tile_width);
1024 // y2 = ROUND_UP(pr->y_scroll + pr->vis_height, pr->tile_height);
1027 x2 = pr->x_scroll + pr->vis_width;
1028 y2 = pr->y_scroll + pr->vis_height;
1030 return !((gdouble)st->x * pr->scale > (gdouble)x2 ||
1031 (gdouble)(st->x + pr->source_tile_width) * pr->scale < (gdouble)x1 ||
1032 (gdouble)st->y * pr->scale > (gdouble)y2 ||
1033 (gdouble)(st->y + pr->source_tile_height) * pr->scale < (gdouble)y1);
1036 static SourceTile *pr_source_tile_new(PixbufRenderer *pr, gint x, gint y)
1038 SourceTile *st = NULL;
1041 g_return_val_if_fail(pr->source_tile_width >= 1 && pr->source_tile_height >= 1, NULL);
1043 if (pr->source_tiles_cache_size < 4) pr->source_tiles_cache_size = 4;
1045 count = g_list_length(pr->source_tiles);
1046 if (count >= pr->source_tiles_cache_size)
1050 work = g_list_last(pr->source_tiles);
1051 while (work && count >= pr->source_tiles_cache_size)
1055 needle = work->data;
1058 if (!pr_source_tile_visible(pr, needle))
1060 pr->source_tiles = g_list_remove(pr->source_tiles, needle);
1062 if (pr->func_tile_dispose)
1064 pr->func_tile_dispose(pr, needle->x, needle->y,
1065 pr->source_tile_width, pr->source_tile_height,
1066 needle->pixbuf, pr->func_tile_data);
1075 pr_source_tile_free(needle);
1085 st = g_new0(SourceTile, 1);
1086 st->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
1087 pr->source_tile_width, pr->source_tile_height);
1090 st->x = ROUND_DOWN(x, pr->source_tile_width);
1091 st->y = ROUND_DOWN(y, pr->source_tile_height);
1094 pr->source_tiles = g_list_prepend(pr->source_tiles, st);
1099 static SourceTile *pr_source_tile_request(PixbufRenderer *pr, gint x, gint y)
1103 st = pr_source_tile_new(pr, x, y);
1104 if (!st) return NULL;
1106 if (pr->func_tile_request &&
1107 pr->func_tile_request(pr, st->x, st->y,
1108 pr->source_tile_width, pr->source_tile_height, st->pixbuf, pr->func_tile_data))
1113 pr->renderer->invalidate_region(pr->renderer, st->x * pr->scale, st->y * pr->scale,
1114 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1115 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, st->x * pr->scale, st->y * pr->scale,
1116 pr->source_tile_width * pr->scale, pr->source_tile_height * pr->scale);
1120 static SourceTile *pr_source_tile_find(PixbufRenderer *pr, gint x, gint y)
1124 work = pr->source_tiles;
1127 SourceTile *st = work->data;
1129 if (x >= st->x && x < st->x + pr->source_tile_width &&
1130 y >= st->y && y < st->y + pr->source_tile_height)
1132 if (work != pr->source_tiles)
1134 pr->source_tiles = g_list_remove_link(pr->source_tiles, work);
1135 pr->source_tiles = g_list_concat(work, pr->source_tiles);
1146 GList *pr_source_tile_compute_region(PixbufRenderer *pr, gint x, gint y, gint w, gint h, gboolean request)
1154 if (w > pr->image_width) w = pr->image_width;
1155 if (h > pr->image_height) h = pr->image_height;
1157 sx = ROUND_DOWN(x, pr->source_tile_width);
1158 sy = ROUND_DOWN(y, pr->source_tile_height);
1160 for (x1 = sx; x1 < x + w; x1+= pr->source_tile_width)
1162 for (y1 = sy; y1 < y + h; y1 += pr->source_tile_height)
1166 st = pr_source_tile_find(pr, x1, y1);
1167 if (!st && request) st = pr_source_tile_request(pr, x1, y1);
1169 if (st) list = g_list_prepend(list, st);
1173 return g_list_reverse(list);
1176 static void pr_source_tile_changed(PixbufRenderer *pr, gint x, gint y, gint width, gint height)
1180 if (width < 1 || height < 1) return;
1182 work = pr->source_tiles;
1186 gint rx, ry, rw, rh;
1191 if (pr_clip_region(st->x, st->y, pr->source_tile_width, pr->source_tile_height,
1192 x, y, width, height,
1193 &rx, &ry, &rw, &rh))
1197 pixbuf = gdk_pixbuf_new_subpixbuf(st->pixbuf, rx - st->x, ry - st->y, rw, rh);
1198 if (pr->func_tile_request &&
1199 pr->func_tile_request(pr, rx, ry, rw, rh, pixbuf, pr->func_tile_data))
1201 pr->renderer->invalidate_region(pr->renderer, rx * pr->scale, ry * pr->scale,
1202 rw * pr->scale, rh * pr->scale);
1203 if (pr->renderer2) pr->renderer2->invalidate_region(pr->renderer2, rx * pr->scale, ry * pr->scale,
1204 rw * pr->scale, rh * pr->scale);
1206 g_object_unref(pixbuf);
1211 void pixbuf_renderer_set_tiles(PixbufRenderer *pr, gint width, gint height,
1212 gint tile_width, gint tile_height, gint cache_size,
1213 PixbufRendererTileRequestFunc func_request,
1214 PixbufRendererTileDisposeFunc func_dispose,
1218 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1219 g_return_if_fail(tile_width >= 32 && tile_width >= 32);
1220 g_return_if_fail(width >= 32 && height > 32);
1221 g_return_if_fail(func_request != NULL);
1223 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1226 pr_source_tile_unset(pr);
1228 if (cache_size < 4) cache_size = 4;
1230 pr->source_tiles_enabled = TRUE;
1231 pr->source_tiles_cache_size = cache_size;
1232 pr->source_tile_width = tile_width;
1233 pr->source_tile_height = tile_height;
1235 pr->image_width = width;
1236 pr->image_height = height;
1238 pr->func_tile_request = func_request;
1239 pr->func_tile_dispose = func_dispose;
1240 pr->func_tile_data = user_data;
1242 pr_zoom_sync(pr, zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
1245 void pixbuf_renderer_set_tiles_size(PixbufRenderer *pr, gint width, gint height)
1247 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1248 g_return_if_fail(width >= 32 && height > 32);
1250 if (!pr->source_tiles_enabled) return;
1251 if (pr->image_width == width && pr->image_height == height) return;
1253 pr->image_width = width;
1254 pr->image_height = height;
1256 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
1259 gint pixbuf_renderer_get_tiles(PixbufRenderer *pr)
1261 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
1263 return pr->source_tiles_enabled;
1266 static void pr_zoom_adjust_real(PixbufRenderer *pr, gdouble increment,
1267 PrZoomFlags flags, gint x, gint y)
1269 gdouble zoom = pr->zoom;
1271 if (increment == 0.0) return;
1275 if (pr->scale < 1.0)
1277 zoom = 0.0 - 1.0 / pr->scale;
1285 if (increment < 0.0)
1287 if (zoom >= 1.0 && zoom + increment < 1.0)
1289 zoom = zoom + increment - 2.0;
1293 zoom = zoom + increment;
1298 if (zoom <= -1.0 && zoom + increment > -1.0)
1300 zoom = zoom + increment + 2.0;
1304 zoom = zoom + increment;
1308 pr_zoom_sync(pr, zoom, flags, x, y);
1313 *-------------------------------------------------------------------
1315 *-------------------------------------------------------------------
1318 static void pr_update_signal(PixbufRenderer *pr)
1321 log_printf("FIXME: send updated signal\n");
1323 DEBUG_1("%s pixbuf renderer updated - started drawing %p, img: %dx%d", get_exec_time(), pr, pr->image_width, pr->image_height);
1324 pr->debug_updated = TRUE;
1327 static void pr_zoom_signal(PixbufRenderer *pr)
1329 g_signal_emit(pr, signals[SIGNAL_ZOOM], 0, pr->zoom);
1332 static void pr_clicked_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1334 g_signal_emit(pr, signals[SIGNAL_CLICKED], 0, bevent);
1337 static void pr_scroll_notify_signal(PixbufRenderer *pr)
1339 g_signal_emit(pr, signals[SIGNAL_SCROLL_NOTIFY], 0);
1342 void pr_render_complete_signal(PixbufRenderer *pr)
1346 g_signal_emit(pr, signals[SIGNAL_RENDER_COMPLETE], 0);
1347 g_object_set(G_OBJECT(pr), "complete", TRUE, NULL);
1349 if (pr->debug_updated)
1351 DEBUG_1("%s pixbuf renderer done %p", get_exec_time(), pr);
1352 pr->debug_updated = FALSE;
1356 static void pr_drag_signal(PixbufRenderer *pr, GdkEventButton *bevent)
1358 g_signal_emit(pr, signals[SIGNAL_DRAG], 0, bevent);
1361 static void pr_update_pixel_signal(PixbufRenderer *pr)
1363 g_signal_emit(pr, signals[SIGNAL_UPDATE_PIXEL], 0);
1367 *-------------------------------------------------------------------
1369 *-------------------------------------------------------------------
1373 void pr_tile_coords_map_orientation(gint orientation,
1374 gdouble tile_x, gdouble tile_y, /* coordinates of the tile */
1375 gdouble image_w, gdouble image_h,
1376 gdouble tile_w, gdouble tile_h,
1377 gdouble *res_x, gdouble *res_y)
1381 switch (orientation)
1383 case EXIF_ORIENTATION_TOP_LEFT:
1384 /* normal -- nothing to do */
1386 case EXIF_ORIENTATION_TOP_RIGHT:
1388 *res_x = image_w - tile_x - tile_w;
1390 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1392 *res_x = image_w - tile_x - tile_w;
1393 *res_y = image_h - tile_y - tile_h;
1395 case EXIF_ORIENTATION_BOTTOM_LEFT:
1397 *res_y = image_h - tile_y - tile_h;
1399 case EXIF_ORIENTATION_LEFT_TOP:
1403 case EXIF_ORIENTATION_RIGHT_TOP:
1404 /* rotated -90 (270) */
1406 *res_y = image_w - tile_x - tile_w;
1408 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1409 *res_x = image_h - tile_y - tile_h;
1410 *res_y = image_w - tile_x - tile_w;
1412 case EXIF_ORIENTATION_LEFT_BOTTOM:
1414 *res_x = image_h - tile_y - tile_h;
1418 /* The other values are out of range */
1421 // log_printf("tile coord y:%f, ih:%d, th:%f ry:%f\n", tile_y, image_h, tile_h, *res_x);
1424 void pr_tile_region_map_orientation(gint orientation,
1425 gint area_x, gint area_y, /* coordinates of the area inside tile */
1426 gint tile_w, gint tile_h,
1427 gint area_w, gint area_h,
1428 gint *res_x, gint *res_y,
1429 gint *res_w, gint *res_h)
1436 switch (orientation)
1438 case EXIF_ORIENTATION_TOP_LEFT:
1439 /* normal -- nothing to do */
1441 case EXIF_ORIENTATION_TOP_RIGHT:
1443 *res_x = tile_w - area_x - area_w;
1445 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1447 *res_x = tile_w - area_x - area_w;
1448 *res_y = tile_h - area_y - area_h;
1450 case EXIF_ORIENTATION_BOTTOM_LEFT:
1452 *res_y = tile_h - area_y - area_h;
1454 case EXIF_ORIENTATION_LEFT_TOP:
1460 case EXIF_ORIENTATION_RIGHT_TOP:
1461 /* rotated -90 (270) */
1463 *res_y = tile_w - area_x - area_w;
1467 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1468 *res_x = tile_h - area_y - area_h;
1469 *res_y = tile_w - area_x - area_w;
1473 case EXIF_ORIENTATION_LEFT_BOTTOM:
1475 *res_x = tile_h - area_y - area_h;
1481 /* The other values are out of range */
1484 // log_printf("inside y:%d, th:%d, ah:%d ry:%d\n", area_y, tile_h, area_h, *res_x);
1487 void pr_coords_map_orientation_reverse(gint orientation,
1488 gint area_x, gint area_y,
1489 gint tile_w, gint tile_h,
1490 gint area_w, gint area_h,
1491 gint *res_x, gint *res_y,
1492 gint *res_w, gint *res_h)
1499 switch (orientation)
1501 case EXIF_ORIENTATION_TOP_LEFT:
1502 /* normal -- nothing to do */
1504 case EXIF_ORIENTATION_TOP_RIGHT:
1506 *res_x = tile_w - area_x - area_w;
1508 case EXIF_ORIENTATION_BOTTOM_RIGHT:
1510 *res_x = tile_w - area_x - area_w;
1511 *res_y = tile_h - area_y - area_h;
1513 case EXIF_ORIENTATION_BOTTOM_LEFT:
1515 *res_y = tile_h - area_y - area_h;
1517 case EXIF_ORIENTATION_LEFT_TOP:
1523 case EXIF_ORIENTATION_RIGHT_TOP:
1524 /* rotated -90 (270) */
1525 *res_x = tile_w - area_y - area_h;
1530 case EXIF_ORIENTATION_RIGHT_BOTTOM:
1531 *res_x = tile_w - area_y - area_h;
1532 *res_y = tile_h - area_x - area_w;
1536 case EXIF_ORIENTATION_LEFT_BOTTOM:
1539 *res_y = tile_h - area_x - area_w;
1544 /* The other values are out of range */
1551 static void pixbuf_renderer_sync_scroll_center(PixbufRenderer *pr)
1554 if (!pr->width || !pr->height) return;
1557 * Update norm_center only if the image is bigger than the window.
1558 * With this condition the stored center survives also a temporary display
1559 * of the "broken image" icon.
1562 if (pr->width > pr->viewport_width)
1564 src_x = pr->x_scroll + pr->vis_width / 2;
1565 pr->norm_center_x = (gdouble)src_x / pr->width;
1568 if (pr->height > pr->viewport_height)
1570 src_y = pr->y_scroll + pr->vis_height / 2;
1571 pr->norm_center_y = (gdouble)src_y / pr->height;
1576 static gboolean pr_scroll_clamp(PixbufRenderer *pr)
1581 if (pr->zoom == 0.0)
1589 old_xs = pr->x_scroll;
1590 old_ys = pr->y_scroll;
1592 if (pr->x_offset > 0)
1598 pr->x_scroll = CLAMP(pr->x_scroll, 0, pr->width - pr->vis_width);
1601 if (pr->y_offset > 0)
1607 pr->y_scroll = CLAMP(pr->y_scroll, 0, pr->height - pr->vis_height);
1610 pixbuf_renderer_sync_scroll_center(pr);
1612 return (old_xs != pr->x_scroll || old_ys != pr->y_scroll);
1615 static gboolean pr_size_clamp(PixbufRenderer *pr)
1617 gint old_vw, old_vh;
1619 old_vw = pr->vis_width;
1620 old_vh = pr->vis_height;
1622 if (pr->width < pr->viewport_width)
1624 pr->vis_width = pr->width;
1625 pr->x_offset = (pr->viewport_width - pr->width) / 2;
1629 pr->vis_width = pr->viewport_width;
1633 if (pr->height < pr->viewport_height)
1635 pr->vis_height = pr->height;
1636 pr->y_offset = (pr->viewport_height - pr->height) / 2;
1640 pr->vis_height = pr->viewport_height;
1644 pixbuf_renderer_sync_scroll_center(pr);
1646 return (old_vw != pr->vis_width || old_vh != pr->vis_height);
1649 static gboolean pr_zoom_clamp(PixbufRenderer *pr, gdouble zoom,
1650 PrZoomFlags flags, gboolean *redrawn)
1655 gboolean force = !!(flags & PR_ZOOM_FORCE);
1656 gboolean new = !!(flags & PR_ZOOM_NEW);
1657 gboolean invalidate = !!(flags & PR_ZOOM_INVALIDATE);
1658 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1660 zoom = CLAMP(zoom, pr->zoom_min, pr->zoom_max);
1662 if (pr->zoom == zoom && !force) return FALSE;
1664 w = pr->image_width;
1665 h = pr->image_height;
1667 if (zoom == 0.0 && !pr->pixbuf)
1671 else if (zoom == 0.0)
1677 sizeable = (new && pr_parent_window_sizable(pr));
1681 max_w = gdk_screen_width();
1682 max_h = gdk_screen_height();
1684 if (pr->window_limit)
1686 max_w = max_w * pr->window_limit_size / 100;
1687 max_h = max_h * pr->window_limit_size / 100;
1692 max_w = pr->viewport_width;
1693 max_h = pr->viewport_height;
1696 if ((pr->zoom_expand && !sizeable) || w > max_w || h > max_h)
1698 if ((gdouble)max_w / w > (gdouble)max_h / h / pr->aspect_ratio)
1700 scale = (gdouble)max_h / h / pr->aspect_ratio;
1702 w = w * scale + 0.5;
1703 if (w > max_w) w = max_w;
1707 scale = (gdouble)max_w / w;
1709 h = h * scale * pr->aspect_ratio + 0.5;
1710 if (h > max_h) h = max_h;
1713 if (pr->autofit_limit)
1715 gdouble factor = (gdouble)pr->autofit_limit_size / 100;
1716 w = w * factor + 0.5;
1717 h = h * factor + 0.5;
1718 scale = scale * factor;
1729 else if (zoom > 0.0) /* zoom orig, in */
1733 h = h * scale * pr->aspect_ratio;
1737 scale = 1.0 / (0.0 - zoom);
1739 h = h * scale * pr->aspect_ratio;
1742 invalid = (pr->width != w || pr->height != h);
1749 if (invalidate || invalid)
1751 pr->renderer->update_zoom(pr->renderer, lazy);
1752 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1753 // if (!lazy) pr_redraw(pr, TRUE);
1755 if (redrawn) *redrawn = (invalidate || invalid);
1757 pixbuf_renderer_sync_scroll_center(pr);
1762 static void pr_zoom_sync(PixbufRenderer *pr, gdouble zoom,
1763 PrZoomFlags flags, gint px, gint py)
1766 gint old_cx, old_cy;
1769 gboolean redrawn = FALSE;
1770 gboolean center_point = !!(flags & PR_ZOOM_CENTER);
1771 gboolean force = !!(flags & PR_ZOOM_FORCE);
1772 gboolean new = !!(flags & PR_ZOOM_NEW);
1773 gboolean lazy = !!(flags & PR_ZOOM_LAZY);
1774 PrZoomFlags clamp_flags = flags;
1775 gdouble old_center_x = pr->norm_center_x;
1776 gdouble old_center_y = pr->norm_center_y;
1778 old_scale = pr->scale;
1781 px = CLAMP(px, 0, pr->width);
1782 py = CLAMP(py, 0, pr->height);
1783 old_cx = pr->x_scroll + (px - pr->x_offset);
1784 old_cy = pr->y_scroll + (py - pr->y_offset);
1789 old_cx = pr->x_scroll + pr->vis_width / 2;
1790 old_cy = pr->y_scroll + pr->vis_height / 2;
1793 if (force) clamp_flags |= PR_ZOOM_INVALIDATE;
1794 if (lazy) clamp_flags |= PR_ZOOM_LAZY;
1795 if (!pr_zoom_clamp(pr, zoom, clamp_flags, &redrawn)) return;
1797 clamped = pr_size_clamp(pr);
1798 sized = pr_parent_window_resize(pr, pr->width, pr->height);
1802 switch (pr->scroll_reset)
1804 case PR_SCROLL_RESET_NOCHANGE:
1805 /* maintain old scroll position */
1806 pr->x_scroll = ((gdouble)pr->image_width * old_center_x * pr->scale) - pr->vis_width / 2;
1807 pr->y_scroll = ((gdouble)pr->image_height * old_center_y * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1809 case PR_SCROLL_RESET_CENTER:
1810 /* center new image */
1811 pr->x_scroll = ((gdouble)pr->image_width / 2.0 * pr->scale) - pr->vis_width / 2;
1812 pr->y_scroll = ((gdouble)pr->image_height / 2.0 * pr->scale * pr->aspect_ratio) - pr->vis_height / 2;
1814 case PR_SCROLL_RESET_TOPLEFT:
1816 /* reset to upper left */
1824 /* user zoom does not force, so keep visible center point */
1827 pr->x_scroll = old_cx / old_scale * pr->scale - (px - pr->x_offset);
1828 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (py - pr->y_offset);
1832 pr->x_scroll = old_cx / old_scale * pr->scale - (pr->vis_width / 2);
1833 pr->y_scroll = old_cy / old_scale * pr->scale * pr->aspect_ratio - (pr->vis_height / 2);
1837 pr_scroll_clamp(pr);
1842 pr->renderer->queue_clear(pr->renderer);
1843 if (pr->renderer2) pr->renderer2->queue_clear(pr->renderer2);
1847 pr_redraw(pr, redrawn);
1850 pr->renderer->update_zoom(pr->renderer, lazy);
1851 if (pr->renderer2) pr->renderer2->update_zoom(pr->renderer2, lazy);
1853 pr_scroll_notify_signal(pr);
1855 pr_update_signal(pr);
1858 static void pr_size_sync(PixbufRenderer *pr, gint new_width, gint new_height)
1860 gboolean zoom_changed = FALSE;
1862 gint new_viewport_width = new_width;
1863 gint new_viewport_height = new_height;
1865 if (!pr->stereo_temp_disable)
1867 if (pr->stereo_mode & PR_STEREO_HORIZ)
1869 new_viewport_width = new_width / 2;
1871 else if (pr->stereo_mode & PR_STEREO_VERT)
1873 new_viewport_height = new_height / 2;
1875 else if (pr->stereo_mode & PR_STEREO_FIXED)
1877 new_viewport_width = pr->stereo_fixed_width;
1878 new_viewport_height = pr->stereo_fixed_height;
1882 if (pr->window_width == new_width && pr->window_height == new_height &&
1883 pr->viewport_width == new_viewport_width && pr->viewport_height == new_viewport_height) return;
1885 pr->window_width = new_width;
1886 pr->window_height = new_height;
1887 pr->viewport_width = new_viewport_width;
1888 pr->viewport_height = new_viewport_height;
1890 if (pr->zoom == 0.0)
1892 gdouble old_scale = pr->scale;
1893 pr_zoom_clamp(pr, 0.0, PR_ZOOM_FORCE, NULL);
1894 zoom_changed = (old_scale != pr->scale);
1898 pr_scroll_clamp(pr);
1900 pr->renderer->update_sizes(pr->renderer);
1901 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
1903 /* ensure scroller remains visible */
1904 if (pr->scroller_overlay != -1)
1906 gboolean update = FALSE;
1908 if (pr->scroller_x > new_width)
1910 pr->scroller_x = new_width;
1911 pr->scroller_xpos = new_width;
1914 if (pr->scroller_y > new_height)
1916 pr->scroller_y = new_height;
1917 pr->scroller_ypos = new_height;
1925 if (pixbuf_renderer_overlay_get(pr, pr->scroller_overlay, &pixbuf, NULL, NULL))
1929 w = gdk_pixbuf_get_width(pixbuf);
1930 h = gdk_pixbuf_get_height(pixbuf);
1931 pixbuf_renderer_overlay_set(pr, pr->scroller_overlay, pixbuf,
1932 pr->scroller_x - w / 2, pr->scroller_y - h / 2);
1937 pr_scroll_notify_signal(pr);
1938 if (zoom_changed) pr_zoom_signal(pr);
1939 pr_update_signal(pr);
1942 static void pr_size_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1944 PixbufRenderer *pr = data;
1946 pr_size_sync(pr, allocation->width, allocation->height);
1949 static void pixbuf_renderer_paint(PixbufRenderer *pr, GdkRectangle *area)
1953 pr->renderer->redraw(pr->renderer, area->x, area->y, area->width, area->height,
1954 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1957 pr->renderer2->redraw(pr->renderer2, area->x, area->y, area->width, area->height,
1958 FALSE, TILE_RENDER_ALL, FALSE, FALSE);
1963 *-------------------------------------------------------------------
1965 *-------------------------------------------------------------------
1968 void pixbuf_renderer_scroll(PixbufRenderer *pr, gint x, gint y)
1973 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
1975 if (!pr->pixbuf && !pr->source_tiles_enabled) return;
1977 old_x = pr->x_scroll;
1978 old_y = pr->y_scroll;
1983 pr_scroll_clamp(pr);
1985 pixbuf_renderer_sync_scroll_center(pr);
1987 if (pr->x_scroll == old_x && pr->y_scroll == old_y) return;
1989 pr_scroll_notify_signal(pr);
1991 x_off = pr->x_scroll - old_x;
1992 y_off = pr->y_scroll - old_y;
1994 pr->renderer->scroll(pr->renderer, x_off, y_off);
1995 if (pr->renderer2) pr->renderer2->scroll(pr->renderer2, x_off, y_off);
1998 void pixbuf_renderer_scroll_to_point(PixbufRenderer *pr, gint x, gint y,
1999 gdouble x_align, gdouble y_align)
2004 x_align = CLAMP(x_align, 0.0, 1.0);
2005 y_align = CLAMP(y_align, 0.0, 1.0);
2007 ax = (gdouble)pr->vis_width * x_align;
2008 ay = (gdouble)pr->vis_height * y_align;
2010 px = (gdouble)x * pr->scale - (pr->x_scroll + ax);
2011 py = (gdouble)y * pr->scale * pr->aspect_ratio - (pr->y_scroll + ay);
2013 pixbuf_renderer_scroll(pr, px, py);
2016 /* get or set coordinates of viewport center in the image, in range 0.0 - 1.0 */
2018 void pixbuf_renderer_get_scroll_center(PixbufRenderer *pr, gdouble *x, gdouble *y)
2020 *x = pr->norm_center_x;
2021 *y = pr->norm_center_y;
2024 void pixbuf_renderer_set_scroll_center(PixbufRenderer *pr, gdouble x, gdouble y)
2026 gdouble dst_x, dst_y;
2028 dst_x = x * pr->width - pr->vis_width / 2 - pr->x_scroll + CLAMP(pr->subpixel_x_scroll, -1.0, 1.0);
2029 dst_y = y * pr->height - pr->vis_height / 2 - pr->y_scroll + CLAMP(pr->subpixel_y_scroll, -1.0, 1.0);
2031 pr->subpixel_x_scroll = dst_x - (gint)dst_x;
2032 pr->subpixel_y_scroll = dst_y - (gint)dst_y;
2034 pixbuf_renderer_scroll(pr, (gint)dst_x, (gint)dst_y);
2038 *-------------------------------------------------------------------
2040 *-------------------------------------------------------------------
2043 static gboolean pr_mouse_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2048 /* This is a hack, but work far the best, at least for single pointer systems.
2049 * See http://bugzilla.gnome.org/show_bug.cgi?id=587714 for more. */
2051 gdk_window_get_pointer (bevent->window, &x, &y, NULL);
2055 pr = PIXBUF_RENDERER(widget);
2057 if (pr->scroller_id)
2059 pr->scroller_xpos = bevent->x;
2060 pr->scroller_ypos = bevent->y;
2063 pr->x_mouse = bevent->x;
2064 pr->y_mouse = bevent->y;
2065 pr_update_pixel_signal(pr);
2067 if (!pr->in_drag || !gdk_pointer_is_grabbed()) return FALSE;
2069 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2075 widget_set_cursor(widget, GDK_FLEUR);
2078 if (bevent->state & GDK_CONTROL_MASK)
2080 accel = PR_PAN_SHIFT_MULTIPLIER;
2088 pixbuf_renderer_scroll(pr, (pr->drag_last_x - bevent->x) * accel,
2089 (pr->drag_last_y - bevent->y) * accel);
2091 pr_drag_signal(pr, bevent);
2093 pr->drag_last_x = bevent->x;
2094 pr->drag_last_y = bevent->y;
2096 /* This is recommended by the GTK+ documentation, but does not work properly.
2097 * Use deprecated way until GTK+ gets a solution for correct motion hint handling:
2098 * http://bugzilla.gnome.org/show_bug.cgi?id=587714
2100 /* gdk_event_request_motions (bevent); */
2104 static gboolean pr_leave_notify_cb(GtkWidget *widget, GdkEventCrossing *cevent, gpointer data)
2108 pr = PIXBUF_RENDERER(widget);
2112 pr_update_pixel_signal(pr);
2116 static gboolean pr_mouse_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2121 pr = PIXBUF_RENDERER(widget);
2123 if (pr->scroller_id) return TRUE;
2125 switch (bevent->button)
2127 case MOUSE_BUTTON_LEFT:
2129 pr->drag_last_x = bevent->x;
2130 pr->drag_last_y = bevent->y;
2132 gdk_pointer_grab(gtk_widget_get_window(widget), FALSE,
2133 GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_RELEASE_MASK,
2134 NULL, NULL, bevent->time);
2135 gtk_grab_add(widget);
2137 case MOUSE_BUTTON_MIDDLE:
2140 case MOUSE_BUTTON_RIGHT:
2141 pr_clicked_signal(pr, bevent);
2147 parent = gtk_widget_get_parent(widget);
2148 #if GTK_CHECK_VERSION(2,20,0)
2149 if (widget && gtk_widget_get_can_focus(parent))
2151 if (widget && GTK_WIDGET_CAN_FOCUS(parent))
2154 gtk_widget_grab_focus(parent);
2160 static gboolean pr_mouse_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2164 pr = PIXBUF_RENDERER(widget);
2166 if (pr->scroller_id)
2168 pr_scroller_stop(pr);
2172 #if GTK_CHECK_VERSION(2,20,0)
2173 if (gdk_pointer_is_grabbed() && gtk_widget_has_grab(GTK_WIDGET(pr)))
2175 if (gdk_pointer_is_grabbed() && GTK_WIDGET_HAS_GRAB(pr))
2178 gtk_grab_remove(widget);
2179 gdk_pointer_ungrab(bevent->time);
2180 widget_set_cursor(widget, -1);
2183 if (pr->drag_moved < PR_DRAG_SCROLL_THRESHHOLD)
2185 if (bevent->button == MOUSE_BUTTON_LEFT && (bevent->state & GDK_CONTROL_MASK))
2187 pr_scroller_start(pr, bevent->x, bevent->y);
2189 else if (bevent->button == MOUSE_BUTTON_LEFT || bevent->button == MOUSE_BUTTON_MIDDLE)
2191 pr_clicked_signal(pr, bevent);
2195 pr->in_drag = FALSE;
2200 static gboolean pr_mouse_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
2204 pr = PIXBUF_RENDERER(widget);
2206 if (pr->scroller_id)
2208 pr->scroller_xpos = pr->scroller_x;
2209 pr->scroller_ypos = pr->scroller_y;
2210 pr->scroller_xinc = 0;
2211 pr->scroller_yinc = 0;
2217 static void pr_mouse_drag_cb(GtkWidget *widget, GdkDragContext *context, gpointer data)
2221 pr = PIXBUF_RENDERER(widget);
2223 pr->drag_moved = PR_DRAG_SCROLL_THRESHHOLD;
2226 static void pr_signals_connect(PixbufRenderer *pr)
2228 g_signal_connect(G_OBJECT(pr), "motion_notify_event",
2229 G_CALLBACK(pr_mouse_motion_cb), pr);
2230 g_signal_connect(G_OBJECT(pr), "button_press_event",
2231 G_CALLBACK(pr_mouse_press_cb), pr);
2232 g_signal_connect(G_OBJECT(pr), "button_release_event",
2233 G_CALLBACK(pr_mouse_release_cb), pr);
2234 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2235 G_CALLBACK(pr_mouse_leave_cb), pr);
2236 g_signal_connect(G_OBJECT(pr), "leave_notify_event",
2237 G_CALLBACK(pr_leave_notify_cb), pr);
2239 gtk_widget_set_events(GTK_WIDGET(pr), GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK |
2240 GDK_BUTTON_RELEASE_MASK | GDK_BUTTON_PRESS_MASK |
2241 GDK_LEAVE_NOTIFY_MASK);
2243 g_signal_connect(G_OBJECT(pr), "drag_begin",
2244 G_CALLBACK(pr_mouse_drag_cb), pr);
2249 *-------------------------------------------------------------------
2251 *-------------------------------------------------------------------
2254 #define COLOR_BYTES 3 /* rgb */
2255 static void pr_create_anaglyph_RC(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2258 guchar *s_pix, *d_pix;
2263 srs = gdk_pixbuf_get_rowstride(right);
2264 s_pix = gdk_pixbuf_get_pixels(right);
2265 spi = s_pix + (x * COLOR_BYTES);
2267 drs = gdk_pixbuf_get_rowstride(pixbuf);
2268 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2269 dpi = d_pix + x * COLOR_BYTES;
2271 for (i = y; i < y + h; i++)
2273 sp = spi + (i * srs);
2274 dp = dpi + (i * drs);
2275 for (j = 0; j < w; j++)
2277 *dp = *sp; /* copy red channel */
2284 static void pr_create_anaglyph_gray(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2287 guchar *s_pix, *d_pix;
2291 const double gc[3] = {0.299, 0.587, 0.114};
2293 srs = gdk_pixbuf_get_rowstride(right);
2294 s_pix = gdk_pixbuf_get_pixels(right);
2295 spi = s_pix + (x * COLOR_BYTES);
2297 drs = gdk_pixbuf_get_rowstride(pixbuf);
2298 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2299 dpi = d_pix + x * COLOR_BYTES;
2301 for (i = y; i < y + h; i++)
2303 sp = spi + (i * srs);
2304 dp = dpi + (i * drs);
2305 for (j = 0; j < w; j++)
2307 guchar g1 = dp[0] * gc[0] + dp[1] * gc[1] + dp[2] * gc[2];
2308 guchar g2 = sp[0] * gc[0] + sp[1] * gc[1] + sp[2] * gc[2];
2309 dp[0] = g2; /* red channel from sp */
2310 dp[1] = g1; /* green and blue from dp */
2318 const double pr_dubois_matrix[3][6] = {
2319 { 0.456, 0.500, 0.176, -0.043, -0.088, -0.002},
2320 {-0.040, -0.038, -0.016, 0.378, 0.734, -0.018},
2321 {-0.015, -0.021, -0.005, -0.072, -0.113, 1.226}
2324 static void pr_create_anaglyph_dubois(GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2327 guchar *s_pix, *d_pix;
2332 srs = gdk_pixbuf_get_rowstride(right);
2333 s_pix = gdk_pixbuf_get_pixels(right);
2334 spi = s_pix + (x * COLOR_BYTES);
2336 drs = gdk_pixbuf_get_rowstride(pixbuf);
2337 d_pix = gdk_pixbuf_get_pixels(pixbuf);
2338 dpi = d_pix + x * COLOR_BYTES;
2340 for (i = y; i < y + h; i++)
2342 sp = spi + (i * srs);
2343 dp = dpi + (i * drs);
2344 for (j = 0; j < w; j++)
2347 for (k = 0; k < 3; k++)
2349 const double *m = pr_dubois_matrix[k];
2350 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];
2351 if (res[k] < 0.0) res[k] = 0;
2352 if (res[k] > 255.0) res[k] = 255.0;
2363 void pr_create_anaglyph(guint mode, GdkPixbuf *pixbuf, GdkPixbuf *right, gint x, gint y, gint w, gint h)
2365 if (mode & PR_STEREO_ANAGLYPH_RC)
2366 pr_create_anaglyph_RC(pixbuf, right, x, y, w, h);
2367 else if (mode & PR_STEREO_ANAGLYPH_GRAY)
2368 pr_create_anaglyph_gray(pixbuf, right, x, y, w, h);
2369 else if (mode & PR_STEREO_ANAGLYPH_DB)
2370 pr_create_anaglyph_dubois(pixbuf, right, x, y, w, h);
2374 *-------------------------------------------------------------------
2376 *-------------------------------------------------------------------
2378 static void pr_pixbuf_size_sync(PixbufRenderer *pr)
2380 pr->stereo_pixbuf_offset_left = 0;
2381 pr->stereo_pixbuf_offset_right = 0;
2382 if (!pr->pixbuf) return;
2383 switch (pr->orientation)
2385 case EXIF_ORIENTATION_LEFT_TOP:
2386 case EXIF_ORIENTATION_RIGHT_TOP:
2387 case EXIF_ORIENTATION_RIGHT_BOTTOM:
2388 case EXIF_ORIENTATION_LEFT_BOTTOM:
2389 pr->image_width = gdk_pixbuf_get_height(pr->pixbuf);
2390 pr->image_height = gdk_pixbuf_get_width(pr->pixbuf);
2391 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2393 pr->image_height /= 2;
2394 pr->stereo_pixbuf_offset_right = pr->image_height;
2396 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2398 pr->image_height /= 2;
2399 pr->stereo_pixbuf_offset_left = pr->image_height;
2404 pr->image_width = gdk_pixbuf_get_width(pr->pixbuf);
2405 pr->image_height = gdk_pixbuf_get_height(pr->pixbuf);
2406 if (pr->stereo_data == STEREO_PIXBUF_SBS)
2408 pr->image_width /= 2;
2409 pr->stereo_pixbuf_offset_right = pr->image_width;
2411 else if (pr->stereo_data == STEREO_PIXBUF_CROSS)
2413 pr->image_width /= 2;
2414 pr->stereo_pixbuf_offset_left = pr->image_width;
2419 static void pr_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, PrZoomFlags flags)
2421 if (pixbuf) g_object_ref(pixbuf);
2422 if (pr->pixbuf) g_object_unref(pr->pixbuf);
2423 pr->pixbuf = pixbuf;
2429 /* no pixbuf so just clear the window */
2430 pr->image_width = 0;
2431 pr->image_height = 0;
2433 pr->zoom = zoom; /* don't throw away the zoom value, it is set by pixbuf_renderer_move, among others,
2434 and used for pixbuf_renderer_zoom_get */
2436 box = GTK_WIDGET(pr);
2438 #if GTK_CHECK_VERSION(2,20,0)
2439 if (gtk_widget_get_realized(box))
2441 if (GTK_WIDGET_REALIZED(box))
2444 #if !GTK_CHECK_VERSION(3,0,0)
2445 gdk_window_clear(gtk_widget_get_window(box));
2447 pr->renderer->overlay_draw(pr->renderer, 0, 0, pr->viewport_width, pr->viewport_height);
2448 if (pr->renderer2) pr->renderer2->overlay_draw(pr->renderer2, 0, 0, pr->viewport_width, pr->viewport_height);
2451 pr_update_signal(pr);
2456 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2458 gint disable = !pr->pixbuf || ! pr->stereo_data;
2459 pr_stereo_temp_disable(pr, disable);
2462 pr_pixbuf_size_sync(pr);
2463 pr->renderer->update_pixbuf(pr->renderer, flags & PR_ZOOM_LAZY);
2464 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, flags & PR_ZOOM_LAZY);
2465 pr_zoom_sync(pr, zoom, flags | PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2468 void pixbuf_renderer_set_pixbuf(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom)
2470 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2472 pr_source_tile_unset(pr);
2474 pr_set_pixbuf(pr, pixbuf, zoom, 0);
2476 pr_update_signal(pr);
2479 void pixbuf_renderer_set_pixbuf_lazy(PixbufRenderer *pr, GdkPixbuf *pixbuf, gdouble zoom, gint orientation, StereoPixbufData stereo_data)
2481 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2483 pr_source_tile_unset(pr);
2485 pr->orientation = orientation;
2486 pr->stereo_data = stereo_data;
2487 pr_set_pixbuf(pr, pixbuf, zoom, PR_ZOOM_LAZY);
2489 pr_update_signal(pr);
2492 GdkPixbuf *pixbuf_renderer_get_pixbuf(PixbufRenderer *pr)
2494 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), NULL);
2499 void pixbuf_renderer_set_orientation(PixbufRenderer *pr, gint orientation)
2501 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2503 pr->orientation = orientation;
2505 pr_pixbuf_size_sync(pr);
2508 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2509 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2511 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2513 pr->renderer->update_sizes(pr->renderer);
2514 if (pr->renderer2) pr->renderer2->update_sizes(pr->renderer2);
2517 gint pixbuf_renderer_get_orientation(PixbufRenderer *pr)
2520 return pr->orientation;
2523 void pixbuf_renderer_set_stereo_data(PixbufRenderer *pr, StereoPixbufData stereo_data)
2525 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2527 pr->stereo_data = stereo_data;
2529 if (pr->stereo_mode & PR_STEREO_TEMP_DISABLE)
2531 gint disable = !pr->pixbuf || ! pr->stereo_data;
2532 pr_stereo_temp_disable(pr, disable);
2534 pr_pixbuf_size_sync(pr);
2535 pr->renderer->update_pixbuf(pr->renderer, FALSE);
2536 if (pr->renderer2) pr->renderer2->update_pixbuf(pr->renderer2, FALSE);
2537 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE, 0, 0);
2540 void pixbuf_renderer_set_post_process_func(PixbufRenderer *pr, PixbufRendererPostProcessFunc func, gpointer user_data, gboolean slow)
2542 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2544 pr->func_post_process = func;
2545 pr->post_process_user_data = user_data;
2546 pr->post_process_slow = func && slow;
2551 void pixbuf_renderer_move(PixbufRenderer *pr, PixbufRenderer *source)
2554 PixbufRendererScrollResetType scroll_reset;
2556 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2557 g_return_if_fail(IS_PIXBUF_RENDERER(source));
2559 if (pr == source) return;
2561 object = G_OBJECT(pr);
2563 g_object_set(object, "zoom_min", source->zoom_min, NULL);
2564 g_object_set(object, "zoom_max", source->zoom_max, NULL);
2565 g_object_set(object, "loading", source->loading, NULL);
2567 pr->complete = source->complete;
2569 pr->x_scroll = source->x_scroll;
2570 pr->y_scroll = source->y_scroll;
2571 pr->x_mouse = source->x_mouse;
2572 pr->y_mouse = source->y_mouse;
2574 scroll_reset = pr->scroll_reset;
2575 pr->scroll_reset = PR_SCROLL_RESET_NOCHANGE;
2577 pr->func_post_process = source->func_post_process;
2578 pr->post_process_user_data = source->post_process_user_data;
2579 pr->post_process_slow = source->post_process_slow;
2580 pr->orientation = source->orientation;
2581 pr->stereo_data = source->stereo_data;
2583 if (source->source_tiles_enabled)
2585 pr_source_tile_unset(pr);
2587 pr->source_tiles_enabled = source->source_tiles_enabled;
2588 pr->source_tiles_cache_size = source->source_tiles_cache_size;
2589 pr->source_tile_width = source->source_tile_width;
2590 pr->source_tile_height = source->source_tile_height;
2591 pr->image_width = source->image_width;
2592 pr->image_height = source->image_height;
2594 pr->func_tile_request = source->func_tile_request;
2595 pr->func_tile_dispose = source->func_tile_dispose;
2596 pr->func_tile_data = source->func_tile_data;
2598 pr->source_tiles = source->source_tiles;
2599 source->source_tiles = NULL;
2601 pr_zoom_sync(pr, source->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2605 pixbuf_renderer_set_pixbuf(pr, source->pixbuf, source->zoom);
2608 pr->scroll_reset = scroll_reset;
2610 pixbuf_renderer_set_pixbuf(source, NULL, source->zoom);
2611 // pr_queue_clear(source);
2612 // pr_tile_free_all(source);
2615 void pixbuf_renderer_area_changed(PixbufRenderer *pr, gint x, gint y, gint w, gint h)
2617 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2619 if (pr->source_tiles_enabled)
2621 pr_source_tile_changed(pr, x, y, w, h);
2624 pr->renderer->area_changed(pr->renderer, x, y, w, h);
2625 if (pr->renderer2) pr->renderer2->area_changed(pr->renderer2, x, y, w, h);
2628 void pixbuf_renderer_zoom_adjust(PixbufRenderer *pr, gdouble increment)
2630 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2632 pr_zoom_adjust_real(pr, increment, PR_ZOOM_NONE, 0, 0);
2635 void pixbuf_renderer_zoom_adjust_at_point(PixbufRenderer *pr, gdouble increment, gint x, gint y)
2637 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2639 pr_zoom_adjust_real(pr, increment, PR_ZOOM_CENTER, x, y);
2642 void pixbuf_renderer_zoom_set(PixbufRenderer *pr, gdouble zoom)
2644 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2646 pr_zoom_sync(pr, zoom, PR_ZOOM_NONE, 0, 0);
2649 gdouble pixbuf_renderer_zoom_get(PixbufRenderer *pr)
2651 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2656 gdouble pixbuf_renderer_zoom_get_scale(PixbufRenderer *pr)
2658 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), 1.0);
2663 void pixbuf_renderer_zoom_set_limits(PixbufRenderer *pr, gdouble min, gdouble max)
2665 g_return_if_fail(IS_PIXBUF_RENDERER(pr));
2667 if (min > 1.0 || max < 1.0) return;
2668 if (min < 1.0 && min > -1.0) return;
2669 if (min < -200.0 || max > 200.0) return;
2671 if (pr->zoom_min != min)
2674 g_object_notify(G_OBJECT(pr), "zoom_min");
2676 if (pr->zoom_max != max)
2679 g_object_notify(G_OBJECT(pr), "zoom_max");
2683 static void pr_stereo_set(PixbufRenderer *pr)
2685 if (!pr->renderer) pr->renderer = RENDERER_NEW(pr);
2687 pr->renderer->stereo_set(pr->renderer, pr->stereo_mode & ~PR_STEREO_MIRROR_RIGHT & ~PR_STEREO_FLIP_RIGHT);
2689 if (pr->stereo_mode & (PR_STEREO_HORIZ | PR_STEREO_VERT | PR_STEREO_FIXED))
2691 if (!pr->renderer2) pr->renderer2 = RENDERER_NEW(pr);
2692 pr->renderer2->stereo_set(pr->renderer2, (pr->stereo_mode & ~PR_STEREO_MIRROR_LEFT & ~PR_STEREO_FLIP_LEFT) | PR_STEREO_RIGHT);
2696 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2697 pr->renderer2 = NULL;
2699 if (pr->stereo_mode & PR_STEREO_HALF)
2701 if (pr->stereo_mode & PR_STEREO_HORIZ) pr->aspect_ratio = 2.0;
2702 else if (pr->stereo_mode & PR_STEREO_VERT) pr->aspect_ratio = 0.5;
2703 else pr->aspect_ratio = 1.0;
2707 pr->aspect_ratio = 1.0;
2711 void pixbuf_renderer_stereo_set(PixbufRenderer *pr, gint stereo_mode)
2713 gboolean redraw = !(pr->stereo_mode == stereo_mode) || pr->stereo_temp_disable;
2714 pr->stereo_mode = stereo_mode;
2715 if ((stereo_mode & PR_STEREO_TEMP_DISABLE) && pr->stereo_temp_disable) return;
2717 pr->stereo_temp_disable = FALSE;
2723 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2724 pr_zoom_sync(pr, pr->zoom, PR_ZOOM_FORCE | PR_ZOOM_NEW, 0, 0);
2728 void pixbuf_renderer_stereo_fixed_set(PixbufRenderer *pr, gint width, gint height, gint x1, gint y1, gint x2, gint y2)
2730 pr->stereo_fixed_width = width;
2731 pr->stereo_fixed_height = height;
2732 pr->stereo_fixed_x_left = x1;
2733 pr->stereo_fixed_y_left = y1;
2734 pr->stereo_fixed_x_right = x2;
2735 pr->stereo_fixed_y_right = y2;
2738 gint pixbuf_renderer_stereo_get(PixbufRenderer *pr)
2740 return pr->stereo_mode;
2743 static void pr_stereo_temp_disable(PixbufRenderer *pr, gboolean disable)
2745 if (pr->stereo_temp_disable == disable) return;
2746 pr->stereo_temp_disable = disable;
2749 if (!pr->renderer) pr->renderer = RENDERER_NEW(pr);
2750 pr->renderer->stereo_set(pr->renderer, PR_STEREO_NONE);
2751 if (pr->renderer2) pr->renderer2->free(pr->renderer2);
2752 pr->renderer2 = NULL;
2753 pr->aspect_ratio = 1.0;
2759 pr_size_sync(pr, pr->window_width, pr->window_height); /* recalculate new viewport */
2762 gboolean pixbuf_renderer_get_pixel_colors(PixbufRenderer *pr, gint x_pixel, gint y_pixel,
2763 gint *r_mouse, gint *g_mouse, gint *b_mouse)
2765 GdkPixbuf *pb = pr->pixbuf;
2768 gint map_x, map_y, map_w, map_h;
2770 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2771 g_return_val_if_fail(r_mouse != NULL && g_mouse != NULL && b_mouse != NULL, FALSE);
2773 if (!pr->pixbuf && !pr->source_tiles_enabled)
2781 if (!pb) return FALSE;
2783 pr_tile_region_map_orientation(pr->orientation,
2785 pr->image_width, pr->image_height,
2786 1, 1, /*single pixel */
2790 if (map_x < 0 || map_x > gdk_pixbuf_get_width(pr->pixbuf) - 1) return FALSE;
2791 if (map_y < 0 || map_y > gdk_pixbuf_get_height(pr->pixbuf) - 1) return FALSE;
2793 p_alpha = gdk_pixbuf_get_has_alpha(pb);
2794 prs = gdk_pixbuf_get_rowstride(pb);
2795 p_pix = gdk_pixbuf_get_pixels(pb);
2797 pp = p_pix + map_y * prs + (map_x * (p_alpha ? 4 : 3));
2807 gboolean pixbuf_renderer_get_mouse_position(PixbufRenderer *pr, gint *x_pixel_return, gint *y_pixel_return)
2809 gint x_pixel, y_pixel, x_pixel_clamped, y_pixel_clamped;
2811 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2812 g_return_val_if_fail(x_pixel_return != NULL && y_pixel_return != NULL, FALSE);
2814 if (!pr->pixbuf && !pr->source_tiles_enabled)
2816 *x_pixel_return = -1;
2817 *y_pixel_return = -1;
2821 x_pixel = floor((gdouble)(pr->x_mouse - pr->x_offset + pr->x_scroll) / pr->scale);
2822 y_pixel = floor((gdouble)(pr->y_mouse - pr->y_offset + pr->y_scroll) / pr->scale / pr->aspect_ratio);
2823 x_pixel_clamped = CLAMP(x_pixel, 0, pr->image_width - 1);
2824 y_pixel_clamped = CLAMP(y_pixel, 0, pr->image_height - 1);
2826 if(x_pixel != x_pixel_clamped || y_pixel != y_pixel_clamped)
2828 /* mouse is not on pr */
2829 x_pixel = y_pixel = -1;
2832 *x_pixel_return = x_pixel;
2833 *y_pixel_return = y_pixel;
2838 gboolean pixbuf_renderer_get_image_size(PixbufRenderer *pr, gint *width, gint *height)
2840 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2841 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2843 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2850 *width = pr->image_width;
2851 *height = pr->image_height;
2855 gboolean pixbuf_renderer_get_scaled_size(PixbufRenderer *pr, gint *width, gint *height)
2857 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2858 g_return_val_if_fail(width != NULL && height != NULL, FALSE);
2860 if (!pr->pixbuf && !pr->source_tiles_enabled && (!pr->image_width || !pr->image_height))
2868 *height = pr->height;
2872 gboolean pixbuf_renderer_get_visible_rect(PixbufRenderer *pr, GdkRectangle *rect)
2874 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2875 g_return_val_if_fail(rect != NULL, FALSE);
2877 if ((!pr->pixbuf && !pr->source_tiles_enabled) ||
2887 rect->x = (gint)((gdouble)pr->x_scroll / pr->scale);
2888 rect->y = (gint)((gdouble)pr->y_scroll / pr->scale / pr->aspect_ratio);
2889 rect->width = (gint)((gdouble)pr->vis_width / pr->scale);
2890 rect->height = (gint)((gdouble)pr->vis_height / pr->scale / pr->aspect_ratio);
2894 gboolean pixbuf_renderer_get_virtual_rect(PixbufRenderer *pr, GdkRectangle *rect)
2896 g_return_val_if_fail(IS_PIXBUF_RENDERER(pr), FALSE);
2897 g_return_val_if_fail(rect != NULL, FALSE);
2899 if ((!pr->pixbuf && !pr->source_tiles_enabled))
2908 rect->x = pr->x_scroll;
2909 rect->y = pr->y_scroll;
2910 rect->width = pr->vis_width;
2911 rect->height = pr->vis_height;
2915 void pixbuf_renderer_set_size_early(PixbufRenderer *pr, guint width, guint height)
2920 zoom = pixbuf_renderer_zoom_get(pr);
2921 pr->image_width = width;
2922 pr->image_height = height;
2924 pr_zoom_clamp(pr, zoom, PR_ZOOM_FORCE, NULL);
2929 //pr->width = width;
2930 //pr->height = height;
2933 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */