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.
23 #include "image-overlay.h"
27 #include "histogram.h"
29 #include "image-load.h"
33 #include "pixbuf-renderer.h"
34 #include "pixbuf-util.h"
35 #include "slideshow.h"
36 #include "ui-fileops.h"
39 *----------------------------------------------------------------------------
41 *----------------------------------------------------------------------------
45 struct OverlayStateData {
47 ImageState changed_states;
53 OverlayRendererFlags origin;
60 gint icon_time[IMAGE_OSD_COUNT];
61 gint icon_id[IMAGE_OSD_COUNT];
63 guint idle_id; /* event source id */
64 guint timer_id; /* event source id */
70 gboolean reset; /* reset on new image */
71 gint x; /* x, y offset */
73 gchar *key; /* inline pixbuf */
76 static OSDIcon osd_icons[] = {
77 { TRUE, 0, 0, nullptr }, /* none */
78 { TRUE, -10, -10, nullptr }, /* auto rotated */
79 { TRUE, -10, -10, nullptr }, /* user rotated */
80 { TRUE, -40, -10, nullptr }, /* color embedded */
81 { TRUE, -70, -10, nullptr }, /* first image */
82 { TRUE, -70, -10, nullptr }, /* last image */
83 { FALSE, -70, -10, nullptr }, /* osd enabled */
84 { FALSE, 0, 0, nullptr }
87 #define OSD_DATA "overlay-data"
90 IMAGE_OSD_DEFAULT_DURATION = 30
94 HISTOGRAM_HEIGHT = 140,
98 static void image_osd_timer_schedule(OverlayStateData *osd);
100 void set_image_overlay_template_string(gchar **template_string, const gchar *value)
102 g_assert(template_string);
104 g_free(*template_string);
105 *template_string = g_strdup(value);
109 void set_default_image_overlay_template_string(gchar **template_string)
111 set_image_overlay_template_string(template_string, DEFAULT_OVERLAY_INFO);
114 void set_image_overlay_font_string(gchar **font_string, const gchar *value)
116 g_assert(font_string);
118 g_free(*font_string);
119 *font_string = g_strdup(value);
122 static OverlayStateData *image_get_osd_data(ImageWindow *imd)
124 OverlayStateData *osd;
126 if (!imd) return nullptr;
130 osd = static_cast<OverlayStateData *>(g_object_get_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA"));
134 static void image_set_osd_data(ImageWindow *imd, OverlayStateData *osd)
138 g_object_set_data(G_OBJECT(imd->pr), "IMAGE_OVERLAY_DATA", osd);
142 *----------------------------------------------------------------------------
144 *----------------------------------------------------------------------------
148 void image_osd_histogram_toggle_channel(ImageWindow *imd)
150 OverlayStateData *osd = image_get_osd_data(imd);
152 if (!osd || !osd->histogram) return;
154 histogram_toggle_channel(osd->histogram);
155 image_osd_update(imd);
158 void image_osd_histogram_toggle_mode(ImageWindow *imd)
160 OverlayStateData *osd = image_get_osd_data(imd);
162 if (!osd || !osd->histogram) return;
164 histogram_toggle_mode(osd->histogram);
165 image_osd_update(imd);
168 void image_osd_histogram_set_channel(ImageWindow *imd, gint chan)
170 OverlayStateData *osd = image_get_osd_data(imd);
172 if (!osd || !osd->histogram) return;
174 histogram_set_channel(osd->histogram, chan);
175 image_osd_update(imd);
178 void image_osd_histogram_set_mode(ImageWindow *imd, gint mode)
180 OverlayStateData *osd = image_get_osd_data(imd);
182 if (!osd || !osd->histogram) return;
184 histogram_set_mode(osd->histogram, mode);
185 image_osd_update(imd);
188 gint image_osd_histogram_get_channel(ImageWindow *imd)
190 OverlayStateData *osd = image_get_osd_data(imd);
192 if (!osd || !osd->histogram) return HCHAN_DEFAULT;
194 return histogram_get_channel(osd->histogram);
197 gint image_osd_histogram_get_mode(ImageWindow *imd)
199 OverlayStateData *osd = image_get_osd_data(imd);
201 if (!osd || !osd->histogram) return 0;
203 return histogram_get_mode(osd->histogram);
206 void image_osd_toggle(ImageWindow *imd)
211 show = image_osd_get(imd);
212 if (show == OSD_SHOW_NOTHING)
214 image_osd_set(imd, static_cast<OsdShowFlags>(OSD_SHOW_INFO | OSD_SHOW_STATUS));
218 if (show & OSD_SHOW_HISTOGRAM)
220 image_osd_set(imd, OSD_SHOW_NOTHING);
224 image_osd_set(imd, static_cast<OsdShowFlags>(show | OSD_SHOW_HISTOGRAM));
228 static GdkPixbuf *image_osd_info_render(OverlayStateData *osd)
230 GdkPixbuf *pixbuf = nullptr;
236 const HistMap *histmap = nullptr;
237 ImageWindow *imd = osd->imd;
238 FileData *fd = image_get_fd(imd);
239 PangoFontDescription *font_desc;
241 if (!fd) return nullptr;
243 name = image_get_name(imd);
251 vars = g_hash_table_new_full(g_str_hash, g_str_equal, nullptr, g_free);
253 cd = image_get_collection(imd, &info);
256 t = g_list_length(cd->list);
257 n = g_list_index(cd->list, info) + 1;
260 if (file_extension_match(cd->name, GQ_COLLECTION_EXT))
261 osd_template_insert(vars, "collection", remove_extension_from_path(cd->name), OSDT_FREE);
263 osd_template_insert(vars, "collection", cd->name, OSDT_NONE);
267 osd_template_insert(vars, "collection", _("Untitled"), OSDT_NONE);
272 LayoutWindow *lw = layout_find_by_image(imd);
277 n = g_list_length(lw->slideshow->list_done);
278 t = n + g_list_length(lw->slideshow->list);
283 t = layout_list_count(lw, nullptr);
284 n = layout_list_get_index(lw, image_get_fd(lw->image)) + 1;
287 else if (view_window_find_image(imd, &n, &t))
300 osd_template_insert(vars, "collection", nullptr, OSDT_NONE);
303 osd_template_insert(vars, "number", g_strdup_printf("%d", n), OSDT_NO_DUP);
304 osd_template_insert(vars, "total", g_strdup_printf("%d", t), OSDT_NO_DUP);
305 osd_template_insert(vars, "name", const_cast<gchar *>(name), OSDT_NONE);
306 osd_template_insert(vars, "path", const_cast<gchar *>(image_get_path(imd)), OSDT_NONE);
307 osd_template_insert(vars, "date", imd->image_fd ? (const_cast<gchar *>(text_from_time(imd->image_fd->date))) : "", OSDT_NONE);
308 osd_template_insert(vars, "size", imd->image_fd ? (text_from_size_abrev(imd->image_fd->size)) : g_strdup(""), OSDT_FREE);
309 osd_template_insert(vars, "zoom", image_zoom_get_as_text(imd), OSDT_FREE);
314 GdkPixbuf *load_pixbuf = image_loader_get_pixbuf(imd->il);
316 if (imd->delay_flip &&
317 imd->il && load_pixbuf &&
318 image_get_pixbuf(imd) != load_pixbuf)
320 w = gdk_pixbuf_get_width(load_pixbuf);
321 h = gdk_pixbuf_get_height(load_pixbuf);
325 image_get_image_size(imd, &w, &h);
329 osd_template_insert(vars, "width", g_strdup_printf("%d", w), OSDT_NO_DUP);
330 osd_template_insert(vars, "height", g_strdup_printf("%d", h), OSDT_NO_DUP);
331 osd_template_insert(vars, "res", g_strdup_printf("%d × %d", w, h), OSDT_FREE);
335 osd_template_insert(vars, "width", nullptr, OSDT_NONE);
336 osd_template_insert(vars, "height", nullptr, OSDT_NONE);
337 osd_template_insert(vars, "res", nullptr, OSDT_NONE);
340 text = image_osd_mkinfo(options->image_overlay.template_string, imd->image_fd, vars);
341 g_hash_table_destroy(vars);
344 /* When does this occur ?? */
345 text = g_markup_escape_text(_("Untitled"), -1);
348 with_hist = ((osd->show & OSD_SHOW_HISTOGRAM) && osd->histogram);
351 histmap = histmap_get(imd->image_fd);
354 histmap_start_idle(imd->image_fd);
361 gint active_marks = 0;
365 for (mark = 0; mark < FILEDATA_MARKS_SIZE; mark++)
367 active_marks += file_data_get_mark(fd, mark);
370 if (active_marks > 0)
372 GString *buf = g_string_sized_new(strlen(text) + 1 + FILEDATA_MARKS_SIZE * 2);
376 g_string_append_printf(buf, "%s\n", text);
379 for (mark = 0; mark < FILEDATA_MARKS_SIZE; mark++)
381 g_string_append_printf(buf, file_data_get_mark(fd, mark) ? " <span background='#FF00FF'>%c</span>" : " %c", '1' + (mark < 9 ? mark : -1) );
385 text = g_string_free(buf, FALSE);
390 gchar *escaped_histogram_label = g_markup_escape_text(histogram_label(osd->histogram), -1);
392 text2 = g_strdup_printf("%s\n%s", text, escaped_histogram_label);
394 text2 = g_strdup(escaped_histogram_label);
395 g_free(escaped_histogram_label);
401 font_desc = pango_font_description_from_string(options->image_overlay.font);
402 layout = gtk_widget_create_pango_layout(imd->pr, nullptr);
403 pango_layout_set_font_description(layout, font_desc);
405 pango_layout_set_markup(layout, text, -1);
408 pango_layout_get_pixel_size(layout, &width, &height);
409 /* with empty text width is set to 0, but not height) */
412 else if (height == 0)
414 if (width > 0) width += 10;
415 if (height > 0) height += 10;
419 if (width < HISTOGRAM_WIDTH + 10) width = HISTOGRAM_WIDTH + 10;
420 height += HISTOGRAM_HEIGHT + 5;
423 if (width > 0 && height > 0)
425 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, width, height);
426 pixbuf_set_rect_fill(pixbuf, 3, 3, width-6, height-6, options->image_overlay.background_red, options->image_overlay.background_green,
427 options->image_overlay.background_blue, options->image_overlay.background_alpha);
428 pixbuf_set_rect(pixbuf, 0, 0, width, height, 240, 240, 240, 80, 1, 1, 1, 1);
429 pixbuf_set_rect(pixbuf, 1, 1, width-2, height-2, 240, 240, 240, 130, 1, 1, 1, 1);
430 pixbuf_set_rect(pixbuf, 2, 2, width-4, height-4, 240, 240, 240, 180, 1, 1, 1, 1);
431 pixbuf_pixel_set(pixbuf, 0, 0, 0, 0, 0, 0);
432 pixbuf_pixel_set(pixbuf, width - 1, 0, 0, 0, 0, 0);
433 pixbuf_pixel_set(pixbuf, 0, height - 1, 0, 0, 0, 0);
434 pixbuf_pixel_set(pixbuf, width - 1, height - 1, 0, 0, 0, 0);
439 gint y = height - HISTOGRAM_HEIGHT - 5;
442 pixbuf_set_rect_fill(pixbuf, x, y, w, HISTOGRAM_HEIGHT, 220, 220, 220, 210);
443 histogram_draw(osd->histogram, histmap, pixbuf, x, y, w, HISTOGRAM_HEIGHT);
445 pixbuf_draw_layout(pixbuf, layout, imd->pr, 5, 5, options->image_overlay.text_red, options->image_overlay.text_green,
446 options->image_overlay.text_blue, options->image_overlay.text_alpha);
449 g_object_unref(G_OBJECT(layout));
455 * @brief Create non-standard icons for the OSD
460 * \image html image-osd-color.png
462 * \image html image-osd-first.png
464 * \image html image-osd-icon.png
466 * \image html image-osd-last.png
467 * IMAGE_OSD_ROTATE_AUTO
468 * \image html image-osd-rotate-auto.png
471 static GdkPixbuf *image_osd_icon_pixbuf(ImageOSDFlag flag)
473 static GdkPixbuf **icons = nullptr;
474 GdkPixbuf *icon = nullptr;
476 if (!icons) icons = g_new0(GdkPixbuf *, IMAGE_OSD_COUNT);
477 if (icons[flag]) return icons[flag];
479 if (osd_icons[flag].key)
481 icon = pixbuf_inline(osd_icons[flag].key);
486 icon = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 24, 24);
487 pixbuf_set_rect_fill(icon, 1, 1, 22, 22, 255, 255, 255, 200);
488 pixbuf_set_rect(icon, 0, 0, 24, 24, 0, 0, 0, 128, 1, 1, 1, 1);
491 case IMAGE_OSD_ROTATE_AUTO:
492 pixbuf_set_rect(icon, 3, 8, 11, 12,
495 pixbuf_draw_triangle(icon, 14, 3, 6, 12,
496 20, 9, 14, 15, 14, 3,
499 case IMAGE_OSD_ROTATE_USER:
501 case IMAGE_OSD_COLOR:
502 pixbuf_set_rect_fill(icon, 3, 3, 18, 6, 200, 0, 0, 255);
503 pixbuf_set_rect_fill(icon, 3, 9, 18, 6, 0, 200, 0, 255);
504 pixbuf_set_rect_fill(icon, 3, 15, 18, 6, 0, 0, 200, 255);
506 case IMAGE_OSD_FIRST:
507 pixbuf_set_rect(icon, 3, 3, 18, 18, 0, 0, 0, 200, 3, 3, 3, 0);
508 pixbuf_draw_triangle(icon, 6, 5, 12, 6,
509 12, 5, 18, 11, 6, 11,
513 pixbuf_set_rect(icon, 3, 3, 18, 18, 0, 0, 0, 200, 3, 3, 0, 3);
514 pixbuf_draw_triangle(icon, 6, 12, 12, 6,
515 12, 18, 6, 12, 18, 12,
519 pixbuf_set_rect_fill(icon, 11, 3, 3, 12, 0, 0, 0, 255);
520 pixbuf_set_rect_fill(icon, 11, 17, 3, 3, 0, 0, 0, 255);
532 static gint image_overlay_add(ImageWindow *imd, GdkPixbuf *pixbuf, gint x, gint y,
533 OverlayRendererFlags flags)
535 return pixbuf_renderer_overlay_add(reinterpret_cast<PixbufRenderer *>(imd->pr), pixbuf, x, y, flags);
538 static void image_overlay_set(ImageWindow *imd, gint id, GdkPixbuf *pixbuf, gint x, gint y)
540 pixbuf_renderer_overlay_set(reinterpret_cast<PixbufRenderer *>(imd->pr), id, pixbuf, x, y);
543 static void image_overlay_remove(ImageWindow *imd, gint id)
545 pixbuf_renderer_overlay_remove(reinterpret_cast<PixbufRenderer *>(imd->pr), id);
548 static void image_osd_icon_show(OverlayStateData *osd, ImageOSDFlag flag)
552 if (osd->icon_id[flag]) return;
554 pixbuf = image_osd_icon_pixbuf(flag);
557 osd->icon_id[flag] = image_overlay_add(osd->imd, pixbuf,
558 osd_icons[flag].x, osd_icons[flag].y,
562 static void image_osd_icon_hide(OverlayStateData *osd, ImageOSDFlag flag)
564 if (osd->icon_id[flag])
566 image_overlay_remove(osd->imd, osd->icon_id[flag]);
567 osd->icon_id[flag] = 0;
571 static void image_osd_icons_reset_time(OverlayStateData *osd)
575 for (i = 0; i < IMAGE_OSD_COUNT; i++)
577 if (osd_icons[i].reset)
579 osd->icon_time[i] = 0;
584 static void image_osd_icons_update(OverlayStateData *osd)
588 for (i = 0; i < IMAGE_OSD_COUNT; i++)
590 if (osd->icon_time[i] > 0)
592 image_osd_icon_show(osd, static_cast<ImageOSDFlag>(i));
596 image_osd_icon_hide(osd, static_cast<ImageOSDFlag>(i));
601 static void image_osd_icons_hide(OverlayStateData *osd)
605 for (i = 0; i < IMAGE_OSD_COUNT; i++)
607 image_osd_icon_hide(osd, static_cast<ImageOSDFlag>(i));
611 static void image_osd_info_show(OverlayStateData *osd, GdkPixbuf *pixbuf)
613 if (osd->ovl_info == 0)
615 osd->ovl_info = image_overlay_add(osd->imd, pixbuf, osd->x, osd->y, osd->origin);
619 image_overlay_set(osd->imd, osd->ovl_info, pixbuf, osd->x, osd->y);
623 static void image_osd_info_hide(OverlayStateData *osd)
625 if (osd->ovl_info == 0) return;
627 image_overlay_remove(osd->imd, osd->ovl_info);
631 static gboolean image_osd_update_cb(gpointer data)
633 auto osd = static_cast<OverlayStateData *>(data);
635 if (osd->show & OSD_SHOW_INFO)
637 /* redraw when the image was changed,
638 with histogram we have to redraw also when loading is finished */
639 if (osd->changed_states & IMAGE_STATE_IMAGE ||
640 (osd->changed_states & IMAGE_STATE_LOADING && osd->show & OSD_SHOW_HISTOGRAM) ||
641 osd->notify & NOTIFY_HISTMAP)
645 pixbuf = image_osd_info_render(osd);
648 image_osd_info_show(osd, pixbuf);
649 g_object_unref(pixbuf);
653 image_osd_info_hide(osd);
659 image_osd_info_hide(osd);
662 if (osd->show & OSD_SHOW_STATUS)
664 if (osd->changed_states & IMAGE_STATE_IMAGE)
665 image_osd_icons_reset_time(osd);
667 if (osd->changed_states & IMAGE_STATE_COLOR_ADJ)
669 osd->icon_time[IMAGE_OSD_COLOR] = IMAGE_OSD_DEFAULT_DURATION + 1;
670 image_osd_timer_schedule(osd);
673 if (osd->changed_states & IMAGE_STATE_ROTATE_AUTO)
677 if (osd->imd->state & IMAGE_STATE_ROTATE_AUTO)
680 if (!osd->imd->cm) n += IMAGE_OSD_DEFAULT_DURATION;
683 osd->icon_time[IMAGE_OSD_ROTATE_AUTO] = n;
684 image_osd_timer_schedule(osd);
687 image_osd_icons_update(osd);
691 image_osd_icons_hide(osd);
694 osd->changed_states = IMAGE_STATE_NONE;
695 osd->notify = static_cast<NotifyType>(0);
697 return G_SOURCE_REMOVE;
700 static void image_osd_update_schedule(OverlayStateData *osd, gboolean force)
702 if (force) osd->changed_states = static_cast<ImageState>(osd->changed_states | IMAGE_STATE_IMAGE);
706 osd->idle_id = g_idle_add_full(G_PRIORITY_HIGH, image_osd_update_cb, osd, nullptr);
710 void image_osd_update(ImageWindow *imd)
712 OverlayStateData *osd = image_get_osd_data(imd);
716 image_osd_update_schedule(osd, TRUE);
719 static gboolean image_osd_timer_cb(gpointer data)
721 auto osd = static_cast<OverlayStateData *>(data);
722 gboolean done = TRUE;
723 gboolean changed = FALSE;
726 for (i = 0; i < IMAGE_OSD_COUNT; i++)
728 if (osd->icon_time[i] > 1)
731 if (osd->icon_time[i] < 2)
733 osd->icon_time[i] = 0;
743 if (changed) image_osd_update_schedule(osd, FALSE);
754 static void image_osd_timer_schedule(OverlayStateData *osd)
758 osd->timer_id = g_timeout_add(100, image_osd_timer_cb, osd);
762 static void image_osd_state_cb(ImageWindow *, ImageState state, gpointer data)
764 auto osd = static_cast<OverlayStateData *>(data);
766 osd->changed_states = static_cast<ImageState>(osd->changed_states | state);
767 image_osd_update_schedule(osd, FALSE);
770 static void image_osd_notify_cb(FileData *fd, NotifyType type, gpointer data)
772 auto osd = static_cast<OverlayStateData *>(data);
774 if ((type & (NOTIFY_HISTMAP)) && osd->imd && fd == osd->imd->image_fd)
776 DEBUG_1("Notify osd: %s %04x", fd->path, type);
777 osd->notify = static_cast<NotifyType>(osd->notify | type);
778 image_osd_update_schedule(osd, FALSE);
783 static void image_osd_free(OverlayStateData *osd)
787 if (osd->idle_id) g_source_remove(osd->idle_id);
788 if (osd->timer_id) g_source_remove(osd->timer_id);
790 file_data_unregister_notify_func(image_osd_notify_cb, osd);
794 image_set_osd_data(osd->imd, nullptr);
795 g_signal_handler_disconnect(osd->imd->pr, osd->destroy_id);
797 image_set_state_func(osd->imd, nullptr, nullptr);
799 image_osd_info_hide(osd);
800 image_osd_icons_hide(osd);
803 if (osd->histogram) histogram_free(osd->histogram);
808 static void image_osd_destroy_cb(GtkWidget *, gpointer data)
810 auto osd = static_cast<OverlayStateData *>(data);
816 static void image_osd_enable(ImageWindow *imd, OsdShowFlags show)
818 OverlayStateData *osd = image_get_osd_data(imd);
822 osd = g_new0(OverlayStateData, 1);
824 osd->show = OSD_SHOW_NOTHING;
825 osd->x = options->image_overlay.x;
826 osd->y = options->image_overlay.y;
827 osd->origin = OVL_RELATIVE;
829 osd->histogram = histogram_new();
831 osd->destroy_id = g_signal_connect(G_OBJECT(imd->pr), "destroy",
832 G_CALLBACK(image_osd_destroy_cb), osd);
833 image_set_osd_data(imd, osd);
835 image_set_state_func(osd->imd, image_osd_state_cb, osd);
836 file_data_register_notify_func(image_osd_notify_cb, osd, NOTIFY_PRIORITY_LOW);
839 if (show & OSD_SHOW_STATUS)
840 image_osd_icon(imd, IMAGE_OSD_ICON, -1);
842 if (show != osd->show)
843 image_osd_update_schedule(osd, TRUE);
848 void image_osd_set(ImageWindow *imd, OsdShowFlags show)
852 image_osd_enable(imd, show);
855 OsdShowFlags image_osd_get(ImageWindow *imd)
857 OverlayStateData *osd = image_get_osd_data(imd);
859 return osd ? osd->show : OSD_SHOW_NOTHING;
862 Histogram *image_osd_get_histogram(ImageWindow *imd)
864 OverlayStateData *osd = image_get_osd_data(imd);
866 return osd ? osd->histogram : nullptr;
869 void image_osd_copy_status(ImageWindow *src, ImageWindow *dest)
871 Histogram *h_src, *h_dest;
872 image_osd_set(dest, image_osd_get(src));
874 h_src = image_osd_get_histogram(src);
875 h_dest = image_osd_get_histogram(dest);
877 h_dest->histogram_mode = h_src->histogram_mode;
878 h_dest->histogram_channel = h_src->histogram_channel;
885 2+ = show for duration tenths of a second
886 -1 = use default duration
888 void image_osd_icon(ImageWindow *imd, ImageOSDFlag flag, gint duration)
890 OverlayStateData *osd = image_get_osd_data(imd);
894 if (flag >= IMAGE_OSD_COUNT) return;
895 if (duration < 0) duration = IMAGE_OSD_DEFAULT_DURATION;
896 if (duration > 1) duration += 1;
898 osd->icon_time[flag] = duration;
900 image_osd_update_schedule(osd, FALSE);
901 image_osd_timer_schedule(osd);
903 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */