static GdkPixbuf * gimp_view_renderer_imagefile_get_icon (GimpImagefile *imagefile, GtkWidget *widget, gint size) { GdkScreen *screen = gtk_widget_get_screen (widget); GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (screen); GimpThumbnail *thumbnail = gimp_imagefile_get_thumbnail (imagefile); GdkPixbuf *pixbuf = NULL; if (! gimp_object_get_name (imagefile)) return NULL; if (! pixbuf) { GFile *file; GFileInfo *file_info; file = g_file_new_for_uri (gimp_object_get_name (imagefile)); file_info = g_file_query_info (file, "standard::icon", 0, NULL, NULL); if (file_info) { GIcon *icon = g_file_info_get_icon (file_info); if (icon) { GtkIconInfo *info; info = gtk_icon_theme_lookup_by_gicon (icon_theme, icon, size, 0); if (info) pixbuf = gtk_icon_info_load_icon (info, NULL); } else { #ifdef GIMP_UNSTABLE g_printerr ("no icon for: %s\n", gimp_object_get_name (imagefile)); #endif } g_object_unref (file_info); } g_object_unref (file); } if (! pixbuf && thumbnail->image_mimetype) { pixbuf = get_icon_for_mime_type (thumbnail->image_mimetype, size); } if (! pixbuf) { const gchar *icon_name = GTK_STOCK_FILE; if (thumbnail->image_state == GIMP_THUMB_STATE_FOLDER) icon_name = GTK_STOCK_DIRECTORY; pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name, size, GTK_ICON_LOOKUP_USE_BUILTIN, NULL); } return pixbuf; }
static CoglHandle cinnamon_app_create_faded_icon_cpu (StTextureCache *cache, const char *key, void *datap, GError **error) { CreateFadedIconData *data = datap; CinnamonApp *app; GdkPixbuf *pixbuf; int size; int scale; CoglHandle texture; gint width, height, rowstride; guint8 n_channels; gboolean have_alpha; gint fade_start; gint fade_range; guint i, j; guint pixbuf_byte_size; guint8 *orig_pixels; guint8 *pixels; GIcon *icon; GtkIconInfo *info; app = data->app; size = data->size; scale = data->scale; info = NULL; icon = g_app_info_get_icon (G_APP_INFO (gmenu_tree_entry_get_app_info (app->entry))); if (icon != NULL) { info = gtk_icon_theme_lookup_by_gicon_for_scale (gtk_icon_theme_get_default (), icon, size, scale, GTK_ICON_LOOKUP_FORCE_SIZE); } if (info == NULL) { icon = g_themed_icon_new ("application-x-executable"); info = gtk_icon_theme_lookup_by_gicon_for_scale (gtk_icon_theme_get_default (), icon, size, scale, GTK_ICON_LOOKUP_FORCE_SIZE); g_object_unref (icon); } if (info == NULL) return COGL_INVALID_HANDLE; pixbuf = gtk_icon_info_load_icon (info, NULL); g_object_unref (info); if (pixbuf == NULL) return COGL_INVALID_HANDLE; width = gdk_pixbuf_get_width (pixbuf); height = gdk_pixbuf_get_height (pixbuf); rowstride = gdk_pixbuf_get_rowstride (pixbuf); n_channels = gdk_pixbuf_get_n_channels (pixbuf); orig_pixels = gdk_pixbuf_get_pixels (pixbuf); have_alpha = gdk_pixbuf_get_has_alpha (pixbuf); pixbuf_byte_size = (height - 1) * rowstride + + width * ((n_channels * gdk_pixbuf_get_bits_per_sample (pixbuf) + 7) / 8); pixels = g_malloc0 (rowstride * height); memcpy (pixels, orig_pixels, pixbuf_byte_size); fade_start = width / 2; fade_range = width - fade_start; for (i = fade_start; i < width; i++) { for (j = 0; j < height; j++) { guchar *pixel = &pixels[j * rowstride + i * n_channels]; float fade = 1.0 - ((float) i - fade_start) / fade_range; pixel[0] = 0.5 + pixel[0] * fade; pixel[1] = 0.5 + pixel[1] * fade; pixel[2] = 0.5 + pixel[2] * fade; if (have_alpha) pixel[3] = 0.5 + pixel[3] * fade; } } texture = st_cogl_texture_new_from_data_wrapper (width, height, COGL_TEXTURE_NONE, have_alpha ? COGL_PIXEL_FORMAT_RGBA_8888 : COGL_PIXEL_FORMAT_RGB_888, COGL_PIXEL_FORMAT_ANY, rowstride, pixels); g_free (pixels); g_object_unref (pixbuf); return texture; }
nsresult nsIconChannel::InitWithGIO(nsIMozIconURI* aIconURI) { GIcon *icon = nullptr; nsCOMPtr<nsIURL> fileURI; // Read icon content aIconURI->GetIconURL(getter_AddRefs(fileURI)); // Get icon for file specified by URI if (fileURI) { bool isFile; nsAutoCString spec; fileURI->GetAsciiSpec(spec); if (NS_SUCCEEDED(fileURI->SchemeIs("file", &isFile)) && isFile) { GFile* file = g_file_new_for_uri(spec.get()); GFileInfo* fileInfo = g_file_query_info(file, G_FILE_ATTRIBUTE_STANDARD_ICON, G_FILE_QUERY_INFO_NONE, nullptr, nullptr); g_object_unref(file); if (fileInfo) { // icon from g_content_type_get_icon doesn't need unref icon = g_file_info_get_icon(fileInfo); if (icon) { g_object_ref(icon); } g_object_unref(fileInfo); } } } // Try to get icon by using MIME type if (!icon) { nsAutoCString type; aIconURI->GetContentType(type); // Try to get MIME type from file extension by using nsIMIMEService if (type.IsEmpty()) { nsCOMPtr<nsIMIMEService> ms(do_GetService("@mozilla.org/mime;1")); if (ms) { nsAutoCString fileExt; aIconURI->GetFileExtension(fileExt); ms->GetTypeFromExtension(fileExt, type); } } char* ctype = nullptr; // character representation of content type if (!type.IsEmpty()) { ctype = g_content_type_from_mime_type(type.get()); } if (ctype) { icon = g_content_type_get_icon(ctype); g_free(ctype); } } // Get default icon theme GtkIconTheme* iconTheme = gtk_icon_theme_get_default(); GtkIconInfo* iconInfo = nullptr; // Get icon size int32_t iconSize = GetIconSize(aIconURI); if (icon) { // Use icon and theme to get GtkIconInfo iconInfo = gtk_icon_theme_lookup_by_gicon(iconTheme, icon, iconSize, (GtkIconLookupFlags)0); g_object_unref(icon); } if (!iconInfo) { // Mozilla's mimetype lookup failed. Try the "unknown" icon. iconInfo = gtk_icon_theme_lookup_icon(iconTheme, "unknown", iconSize, (GtkIconLookupFlags)0); if (!iconInfo) { return NS_ERROR_NOT_AVAILABLE; } } // Create a GdkPixbuf buffer containing icon and scale it GdkPixbuf* buf = gtk_icon_info_load_icon(iconInfo, nullptr); gtk_icon_info_free(iconInfo); if (!buf) { return NS_ERROR_UNEXPECTED; } nsresult rv = ScaleIconBuf(&buf, iconSize); NS_ENSURE_SUCCESS(rv, rv); rv = moz_gdk_pixbuf_to_channel(buf, aIconURI, getter_AddRefs(mRealChannel)); g_object_unref(buf); return rv; }
NautilusIconInfo * nautilus_icon_info_lookup (GIcon *icon, int size) { NautilusIconInfo *icon_info; GdkPixbuf *pixbuf; if (G_IS_LOADABLE_ICON (icon)) { LoadableIconKey lookup_key; LoadableIconKey *key; GInputStream *stream; if (loadable_icon_cache == NULL) { loadable_icon_cache = g_hash_table_new_full ((GHashFunc)loadable_icon_key_hash, (GEqualFunc)loadable_icon_key_equal, (GDestroyNotify) loadable_icon_key_free, (GDestroyNotify) g_object_unref); } lookup_key.icon = icon; lookup_key.size = size; icon_info = g_hash_table_lookup (loadable_icon_cache, &lookup_key); if (icon_info) { return g_object_ref (icon_info); } pixbuf = NULL; stream = g_loadable_icon_load (G_LOADABLE_ICON (icon), size, NULL, NULL, NULL); if (stream) { pixbuf = eel_gdk_pixbuf_load_from_stream_at_size (stream, size); g_object_unref (stream); } icon_info = nautilus_icon_info_new_for_pixbuf (pixbuf); key = loadable_icon_key_new (icon, size); g_hash_table_insert (loadable_icon_cache, key, icon_info); return g_object_ref (icon_info); } else if (G_IS_THEMED_ICON (icon)) { const char * const *names; ThemedIconKey lookup_key; ThemedIconKey *key; GtkIconTheme *icon_theme; GtkIconInfo *gtkicon_info; const char *filename; if (themed_icon_cache == NULL) { themed_icon_cache = g_hash_table_new_full ((GHashFunc)themed_icon_key_hash, (GEqualFunc)themed_icon_key_equal, (GDestroyNotify) themed_icon_key_free, (GDestroyNotify) g_object_unref); } names = g_themed_icon_get_names (G_THEMED_ICON (icon)); icon_theme = gtk_icon_theme_get_default (); gtkicon_info = gtk_icon_theme_choose_icon (icon_theme, (const char **)names, size, 0); if (gtkicon_info == NULL) { return nautilus_icon_info_new_for_pixbuf (NULL); } filename = gtk_icon_info_get_filename (gtkicon_info); lookup_key.filename = (char *)filename; lookup_key.size = size; icon_info = g_hash_table_lookup (themed_icon_cache, &lookup_key); if (icon_info) { gtk_icon_info_free (gtkicon_info); return g_object_ref (icon_info); } icon_info = nautilus_icon_info_new_for_icon_info (gtkicon_info); key = themed_icon_key_new (filename, size); g_hash_table_insert (themed_icon_cache, key, icon_info); gtk_icon_info_free (gtkicon_info); return g_object_ref (icon_info); } else { GdkPixbuf *pixbuf; GtkIconInfo *gtk_icon_info; gtk_icon_info = gtk_icon_theme_lookup_by_gicon (gtk_icon_theme_get_default (), icon, size, GTK_ICON_LOOKUP_GENERIC_FALLBACK); if (gtk_icon_info != NULL) { pixbuf = gtk_icon_info_load_icon (gtk_icon_info, NULL); gtk_icon_info_free (gtk_icon_info); } else { pixbuf = NULL; } return nautilus_icon_info_new_for_pixbuf (pixbuf); } }