/* GTK - The GIMP Toolkit * Copyright (C) 2011 Red Hat, Inc. * * Authors: Cosimo Cecchi * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #include "config.h" #include "gtkiconhelperprivate.h" #include #include "gtkcssenumvalueprivate.h" #include "gtkcssiconthemevalueprivate.h" #include "gtkcssnodeprivate.h" #include "gtkcssstyleprivate.h" #include "gtkcssstylepropertyprivate.h" #include "gtkcsstransientnodeprivate.h" #include "gtkiconthemeprivate.h" #include "gtkrendericonprivate.h" #include "gtksnapshot.h" struct _GtkIconHelperPrivate { GtkImageDefinition *def; GtkIconSize icon_size; gint pixel_size; guint use_fallback : 1; guint force_scale_pixbuf : 1; guint rendered_surface_is_symbolic : 1; cairo_surface_t *rendered_surface; GskTexture *texture; }; G_DEFINE_TYPE_WITH_PRIVATE (GtkIconHelper, gtk_icon_helper, GTK_TYPE_CSS_GADGET) void gtk_icon_helper_invalidate (GtkIconHelper *self) { g_clear_pointer (&self->priv->texture, gsk_texture_unref); if (self->priv->rendered_surface != NULL) { cairo_surface_destroy (self->priv->rendered_surface); self->priv->rendered_surface = NULL; self->priv->rendered_surface_is_symbolic = FALSE; } if (!GTK_IS_CSS_TRANSIENT_NODE (gtk_css_gadget_get_node (GTK_CSS_GADGET (self)))) gtk_widget_queue_resize (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self))); } void gtk_icon_helper_invalidate_for_change (GtkIconHelper *self, GtkCssStyleChange *change) { GtkIconHelperPrivate *priv = self->priv; if (change == NULL || ((gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_SYMBOLIC_ICON) && priv->rendered_surface_is_symbolic) || (gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_ICON) && !priv->rendered_surface_is_symbolic))) { gtk_icon_helper_invalidate (self); } } static void gtk_icon_helper_take_definition (GtkIconHelper *self, GtkImageDefinition *def) { _gtk_icon_helper_clear (self); if (def == NULL) return; gtk_image_definition_unref (self->priv->def); self->priv->def = def; gtk_icon_helper_invalidate (self); } void _gtk_icon_helper_clear (GtkIconHelper *self) { g_clear_pointer (&self->priv->texture, gsk_texture_unref); g_clear_pointer (&self->priv->rendered_surface, cairo_surface_destroy); gtk_image_definition_unref (self->priv->def); self->priv->def = gtk_image_definition_new_empty (); self->priv->icon_size = GTK_ICON_SIZE_INVALID; gtk_icon_helper_invalidate (self); } static void gtk_icon_helper_get_preferred_size (GtkCssGadget *gadget, GtkOrientation orientation, gint for_size, gint *minimum, gint *natural, gint *minimum_baseline, gint *natural_baseline) { GtkIconHelper *self = GTK_ICON_HELPER (gadget); int icon_width, icon_height; _gtk_icon_helper_get_size (self, &icon_width, &icon_height); if (orientation == GTK_ORIENTATION_HORIZONTAL) *minimum = *natural = icon_width; else *minimum = *natural = icon_height; } static gboolean gtk_icon_helper_draw (GtkCssGadget *gadget, cairo_t *cr, int x, int y, int width, int height) { GtkIconHelper *self = GTK_ICON_HELPER (gadget); int icon_width, icon_height; _gtk_icon_helper_get_size (self, &icon_width, &icon_height); _gtk_icon_helper_draw (self, cr, x + (width - icon_width) / 2, y + (height - icon_height) / 2); return FALSE; } static void gtk_icon_helper_style_changed (GtkCssGadget *gadget, GtkCssStyleChange *change) { gtk_icon_helper_invalidate_for_change (GTK_ICON_HELPER (gadget), change); if (!GTK_IS_CSS_TRANSIENT_NODE (gtk_css_gadget_get_node (gadget))) GTK_CSS_GADGET_CLASS (gtk_icon_helper_parent_class)->style_changed (gadget, change); } static void gtk_icon_helper_constructed (GObject *object) { GtkIconHelper *self = GTK_ICON_HELPER (object); GtkWidget *widget; widget = gtk_css_gadget_get_owner (GTK_CSS_GADGET (self)); g_signal_connect_swapped (widget, "direction-changed", G_CALLBACK (gtk_icon_helper_invalidate), self); g_signal_connect_swapped (widget, "notify::scale-factor", G_CALLBACK (gtk_icon_helper_invalidate), self); G_OBJECT_CLASS (gtk_icon_helper_parent_class)->constructed (object); } static void gtk_icon_helper_finalize (GObject *object) { GtkIconHelper *self = GTK_ICON_HELPER (object); GtkWidget *widget; widget = gtk_css_gadget_get_owner (GTK_CSS_GADGET (self)); g_signal_handlers_disconnect_by_func (widget, G_CALLBACK (gtk_icon_helper_invalidate), self); _gtk_icon_helper_clear (self); gtk_image_definition_unref (self->priv->def); G_OBJECT_CLASS (gtk_icon_helper_parent_class)->finalize (object); } static void gtk_icon_helper_class_init (GtkIconHelperClass *klass) { GtkCssGadgetClass *gadget_class = GTK_CSS_GADGET_CLASS (klass); GObjectClass *object_class = G_OBJECT_CLASS (klass); gadget_class->get_preferred_size = gtk_icon_helper_get_preferred_size; gadget_class->draw = gtk_icon_helper_draw; gadget_class->style_changed = gtk_icon_helper_style_changed; object_class->constructed = gtk_icon_helper_constructed; object_class->finalize = gtk_icon_helper_finalize; } static void gtk_icon_helper_init (GtkIconHelper *self) { self->priv = gtk_icon_helper_get_instance_private (self); self->priv->def = gtk_image_definition_new_empty (); self->priv->icon_size = GTK_ICON_SIZE_INVALID; self->priv->pixel_size = -1; self->priv->rendered_surface_is_symbolic = FALSE; } static void ensure_icon_size (GtkIconHelper *self, gint *width_out, gint *height_out) { gint width, height; if (self->priv->pixel_size != -1) { width = height = self->priv->pixel_size; } else if (!gtk_icon_size_lookup (self->priv->icon_size, &width, &height)) { if (self->priv->icon_size == GTK_ICON_SIZE_INVALID) { width = height = 0; } else { g_warning ("Invalid icon size %d", self->priv->icon_size); width = height = 24; } } *width_out = width; *height_out = height; } static GtkIconLookupFlags get_icon_lookup_flags (GtkIconHelper *self, GtkCssStyle *style, GtkTextDirection dir) { GtkIconLookupFlags flags; GtkCssIconStyle icon_style; flags = GTK_ICON_LOOKUP_USE_BUILTIN; if (self->priv->pixel_size != -1 || self->priv->force_scale_pixbuf) flags |= GTK_ICON_LOOKUP_FORCE_SIZE; icon_style = _gtk_css_icon_style_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_STYLE)); switch (icon_style) { case GTK_CSS_ICON_STYLE_REGULAR: flags |= GTK_ICON_LOOKUP_FORCE_REGULAR; break; case GTK_CSS_ICON_STYLE_SYMBOLIC: flags |= GTK_ICON_LOOKUP_FORCE_SYMBOLIC; break; case GTK_CSS_ICON_STYLE_REQUESTED: break; default: g_assert_not_reached (); return 0; } if (dir == GTK_TEXT_DIR_LTR) flags |= GTK_ICON_LOOKUP_DIR_LTR; else if (dir == GTK_TEXT_DIR_RTL) flags |= GTK_ICON_LOOKUP_DIR_RTL; return flags; } static void get_surface_size (GtkIconHelper *self, cairo_surface_t *surface, int *width, int *height) { GdkRectangle clip; cairo_t *cr; cr = cairo_create (surface); if (gdk_cairo_get_clip_rectangle (cr, &clip)) { if (clip.x != 0 || clip.y != 0) { g_warning ("origin of surface is %d %d, not supported", clip.x, clip.y); } *width = clip.width; *height = clip.height; } else { g_warning ("infinite surface size not supported"); ensure_icon_size (self, width, height); } cairo_destroy (cr); } static cairo_surface_t * ensure_surface_from_surface (GtkIconHelper *self, cairo_surface_t *orig_surface) { return cairo_surface_reference (orig_surface); } static gboolean get_pixbuf_size (GtkIconHelper *self, gint scale, GdkPixbuf *orig_pixbuf, gint orig_scale, gint *width_out, gint *height_out, gint *scale_out) { gboolean scale_pixmap; gint width, height; scale_pixmap = FALSE; if (self->priv->force_scale_pixbuf && (self->priv->pixel_size != -1 || self->priv->icon_size != GTK_ICON_SIZE_INVALID)) { ensure_icon_size (self, &width, &height); if (scale != orig_scale || width < gdk_pixbuf_get_width (orig_pixbuf) / orig_scale || height < gdk_pixbuf_get_height (orig_pixbuf) / orig_scale) { width = MIN (width * scale, gdk_pixbuf_get_width (orig_pixbuf) * scale / orig_scale); height = MIN (height * scale, gdk_pixbuf_get_height (orig_pixbuf) * scale / orig_scale); scale_pixmap = TRUE; } else { width = gdk_pixbuf_get_width (orig_pixbuf); height = gdk_pixbuf_get_height (orig_pixbuf); scale = orig_scale; } } else { width = gdk_pixbuf_get_width (orig_pixbuf); height = gdk_pixbuf_get_height (orig_pixbuf); scale = orig_scale; } *width_out = width; *height_out = height; *scale_out = scale; return scale_pixmap; } static cairo_surface_t * ensure_surface_from_pixbuf (GtkIconHelper *self, GtkCssStyle *style, gint scale, GdkPixbuf *orig_pixbuf, gint orig_scale) { gint width, height; cairo_surface_t *surface; GdkPixbuf *pixbuf; GtkCssIconEffect icon_effect; if (get_pixbuf_size (self, scale, orig_pixbuf, orig_scale, &width, &height, &scale)) pixbuf = gdk_pixbuf_scale_simple (orig_pixbuf, width, height, GDK_INTERP_BILINEAR); else pixbuf = g_object_ref (orig_pixbuf); surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, gtk_widget_get_window (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self)))); icon_effect = _gtk_css_icon_effect_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_EFFECT)); gtk_css_icon_effect_apply (icon_effect, surface); g_object_unref (pixbuf); return surface; } static cairo_surface_t * ensure_surface_for_gicon (GtkIconHelper *self, GtkCssStyle *style, GtkTextDirection dir, gint scale, GIcon *gicon) { GtkIconHelperPrivate *priv = self->priv; GtkIconTheme *icon_theme; gint width, height; GtkIconInfo *info; GtkIconLookupFlags flags; cairo_surface_t *surface; GdkPixbuf *destination; gboolean symbolic; icon_theme = gtk_css_icon_theme_value_get_icon_theme (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_THEME)); flags = get_icon_lookup_flags (self, style, dir); ensure_icon_size (self, &width, &height); info = gtk_icon_theme_lookup_by_gicon_for_scale (icon_theme, gicon, MIN (width, height), scale, flags); if (info) { symbolic = gtk_icon_info_is_symbolic (info); if (symbolic) { GdkRGBA fg, success_color, warning_color, error_color; gtk_icon_theme_lookup_symbolic_colors (style, &fg, &success_color, &warning_color, &error_color); destination = gtk_icon_info_load_symbolic (info, &fg, &success_color, &warning_color, &error_color, NULL, NULL); } else { destination = gtk_icon_info_load_icon (info, NULL); } g_object_unref (info); } else { destination = NULL; } if (destination == NULL) { destination = gtk_icon_theme_load_icon (icon_theme, "image-missing", width, flags | GTK_ICON_LOOKUP_USE_BUILTIN | GTK_ICON_LOOKUP_GENERIC_FALLBACK, NULL); /* We include this image as resource, so we always have it available or * the icontheme code is broken */ g_assert (destination); symbolic = FALSE; } surface = gdk_cairo_surface_create_from_pixbuf (destination, scale, gtk_widget_get_window (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self)))); if (!symbolic) { GtkCssIconEffect icon_effect; icon_effect = _gtk_css_icon_effect_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_EFFECT)); gtk_css_icon_effect_apply (icon_effect, surface); } else { priv->rendered_surface_is_symbolic = TRUE; } g_object_unref (destination); return surface; } static cairo_surface_t * gtk_icon_helper_load_surface (GtkIconHelper *self, int scale) { cairo_surface_t *surface; GIcon *gicon; switch (gtk_image_definition_get_storage_type (self->priv->def)) { case GTK_IMAGE_SURFACE: surface = ensure_surface_from_surface (self, gtk_image_definition_get_surface (self->priv->def)); break; case GTK_IMAGE_PIXBUF: surface = ensure_surface_from_pixbuf (self, gtk_css_node_get_style (gtk_css_gadget_get_node (GTK_CSS_GADGET (self))), scale, gtk_image_definition_get_pixbuf (self->priv->def), gtk_image_definition_get_scale (self->priv->def)); break; case GTK_IMAGE_ICON_NAME: if (self->priv->use_fallback) gicon = g_themed_icon_new_with_default_fallbacks (gtk_image_definition_get_icon_name (self->priv->def)); else gicon = g_themed_icon_new (gtk_image_definition_get_icon_name (self->priv->def)); surface = ensure_surface_for_gicon (self, gtk_css_node_get_style (gtk_css_gadget_get_node (GTK_CSS_GADGET (self))), gtk_widget_get_direction (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self))), scale, gicon); g_object_unref (gicon); break; case GTK_IMAGE_GICON: surface = ensure_surface_for_gicon (self, gtk_css_node_get_style (gtk_css_gadget_get_node (GTK_CSS_GADGET (self))), gtk_widget_get_direction (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self))), scale, gtk_image_definition_get_gicon (self->priv->def)); break; case GTK_IMAGE_ANIMATION: case GTK_IMAGE_EMPTY: default: surface = NULL; break; } return surface; } static void gtk_icon_helper_ensure_surface (GtkIconHelper *self) { int scale; if (self->priv->rendered_surface) return; scale = gtk_widget_get_scale_factor (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self))); self->priv->rendered_surface = gtk_icon_helper_load_surface (self, scale); } static void gtk_icon_helper_ensure_texture (GtkIconHelper *self, GskRenderer *renderer) { cairo_surface_t *map; int width, height, scale; if (self->priv->texture) return; gtk_icon_helper_ensure_surface (self); if (self->priv->rendered_surface == NULL) return; scale = gtk_widget_get_scale_factor (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self))), _gtk_icon_helper_get_size (self, &width, &height); if (cairo_image_surface_get_format (self->priv->rendered_surface) != CAIRO_FORMAT_ARGB32) { cairo_surface_t *argb_surface = cairo_surface_create_similar_image (self->priv->rendered_surface, CAIRO_FORMAT_ARGB32, width, height); cairo_t *ct; cairo_surface_set_device_scale (argb_surface, scale, scale); ct = cairo_create (argb_surface); cairo_set_source_surface (ct, self->priv->rendered_surface, 0, 0); cairo_paint (ct); cairo_destroy (ct); cairo_surface_destroy (self->priv->rendered_surface); self->priv->rendered_surface = argb_surface; } map = cairo_surface_map_to_image (self->priv->rendered_surface, &(GdkRectangle) { 0, 0, width * scale, height * scale}); self->priv->texture = gsk_texture_new_for_data (cairo_image_surface_get_data (map), width * scale, height * scale, cairo_image_surface_get_stride (map)); cairo_surface_unmap_image (self->priv->rendered_surface, map); } void _gtk_icon_helper_get_size (GtkIconHelper *self, gint *width_out, gint *height_out) { gint width, height, scale; width = height = 0; /* Certain kinds of images are easy to calculate the size for, these we do immediately to avoid having to potentially load the image data for something that may not yet be visible */ switch (gtk_image_definition_get_storage_type (self->priv->def)) { case GTK_IMAGE_SURFACE: get_surface_size (self, gtk_image_definition_get_surface (self->priv->def), &width, &height); break; case GTK_IMAGE_PIXBUF: get_pixbuf_size (self, gtk_widget_get_scale_factor (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self))), gtk_image_definition_get_pixbuf (self->priv->def), gtk_image_definition_get_scale (self->priv->def), &width, &height, &scale); width = (width + scale - 1) / scale; height = (height + scale - 1) / scale; break; case GTK_IMAGE_ANIMATION: { GdkPixbufAnimation *animation = gtk_image_definition_get_animation (self->priv->def); width = gdk_pixbuf_animation_get_width (animation); height = gdk_pixbuf_animation_get_height (animation); break; } case GTK_IMAGE_ICON_NAME: case GTK_IMAGE_GICON: if (self->priv->pixel_size != -1 || self->priv->force_scale_pixbuf) ensure_icon_size (self, &width, &height); break; case GTK_IMAGE_EMPTY: default: break; } /* Otherwise we load the surface to guarantee we get a size */ if (width == 0) { gtk_icon_helper_ensure_surface (self); if (self->priv->rendered_surface != NULL) { get_surface_size (self, self->priv->rendered_surface, &width, &height); } else if (self->priv->icon_size != GTK_ICON_SIZE_INVALID) { ensure_icon_size (self, &width, &height); } } if (width_out) *width_out = width; if (height_out) *height_out = height; } void _gtk_icon_helper_set_definition (GtkIconHelper *self, GtkImageDefinition *def) { if (def) gtk_icon_helper_take_definition (self, gtk_image_definition_ref (def)); else _gtk_icon_helper_clear (self); } void _gtk_icon_helper_set_gicon (GtkIconHelper *self, GIcon *gicon, GtkIconSize icon_size) { gtk_icon_helper_take_definition (self, gtk_image_definition_new_gicon (gicon)); _gtk_icon_helper_set_icon_size (self, icon_size); } void _gtk_icon_helper_set_icon_name (GtkIconHelper *self, const gchar *icon_name, GtkIconSize icon_size) { gtk_icon_helper_take_definition (self, gtk_image_definition_new_icon_name (icon_name)); _gtk_icon_helper_set_icon_size (self, icon_size); } void _gtk_icon_helper_set_pixbuf (GtkIconHelper *self, GdkPixbuf *pixbuf) { gtk_icon_helper_take_definition (self, gtk_image_definition_new_pixbuf (pixbuf, 1)); } void _gtk_icon_helper_set_animation (GtkIconHelper *self, GdkPixbufAnimation *animation) { gtk_icon_helper_take_definition (self, gtk_image_definition_new_animation (animation, 1)); } void _gtk_icon_helper_set_surface (GtkIconHelper *self, cairo_surface_t *surface) { gtk_icon_helper_take_definition (self, gtk_image_definition_new_surface (surface)); } gboolean _gtk_icon_helper_set_icon_size (GtkIconHelper *self, GtkIconSize icon_size) { if (self->priv->icon_size != icon_size) { self->priv->icon_size = icon_size; gtk_icon_helper_invalidate (self); return TRUE; } return FALSE; } gboolean _gtk_icon_helper_set_pixel_size (GtkIconHelper *self, gint pixel_size) { if (self->priv->pixel_size != pixel_size) { self->priv->pixel_size = pixel_size; gtk_icon_helper_invalidate (self); return TRUE; } return FALSE; } gboolean _gtk_icon_helper_set_use_fallback (GtkIconHelper *self, gboolean use_fallback) { if (self->priv->use_fallback != use_fallback) { self->priv->use_fallback = use_fallback; gtk_icon_helper_invalidate (self); return TRUE; } return FALSE; } GtkImageType _gtk_icon_helper_get_storage_type (GtkIconHelper *self) { return gtk_image_definition_get_storage_type (self->priv->def); } gboolean _gtk_icon_helper_get_use_fallback (GtkIconHelper *self) { return self->priv->use_fallback; } GtkIconSize _gtk_icon_helper_get_icon_size (GtkIconHelper *self) { return self->priv->icon_size; } gint _gtk_icon_helper_get_pixel_size (GtkIconHelper *self) { return self->priv->pixel_size; } GtkImageDefinition * gtk_icon_helper_get_definition (GtkIconHelper *self) { return self->priv->def; } GdkPixbuf * _gtk_icon_helper_peek_pixbuf (GtkIconHelper *self) { return gtk_image_definition_get_pixbuf (self->priv->def); } GIcon * _gtk_icon_helper_peek_gicon (GtkIconHelper *self) { return gtk_image_definition_get_gicon (self->priv->def); } GdkPixbufAnimation * _gtk_icon_helper_peek_animation (GtkIconHelper *self) { return gtk_image_definition_get_animation (self->priv->def); } cairo_surface_t * _gtk_icon_helper_peek_surface (GtkIconHelper *self) { return gtk_image_definition_get_surface (self->priv->def); } const gchar * _gtk_icon_helper_get_icon_name (GtkIconHelper *self) { return gtk_image_definition_get_icon_name (self->priv->def); } GtkIconHelper * gtk_icon_helper_new (GtkCssNode *node, GtkWidget *owner) { g_return_val_if_fail (GTK_IS_CSS_NODE (node), NULL); g_return_val_if_fail (GTK_IS_WIDGET (owner), NULL); return g_object_new (GTK_TYPE_ICON_HELPER, "node", node, "owner", owner, NULL); } GtkCssGadget * gtk_icon_helper_new_named (const char *name, GtkWidget *owner) { GtkIconHelper *result; GtkCssNode *node; g_return_val_if_fail (name != NULL, NULL); g_return_val_if_fail (GTK_IS_WIDGET (owner), NULL); node = gtk_css_node_new (); gtk_css_node_set_name (node, g_intern_string (name)); result = gtk_icon_helper_new (node, owner); g_object_unref (node); return GTK_CSS_GADGET (result); } void _gtk_icon_helper_draw (GtkIconHelper *self, cairo_t *cr, gdouble x, gdouble y) { GtkCssStyle *style = gtk_css_node_get_style (gtk_css_gadget_get_node (GTK_CSS_GADGET (self))); gtk_icon_helper_ensure_surface (self); if (self->priv->rendered_surface != NULL) { gtk_css_style_render_icon_surface (style, cr, self->priv->rendered_surface, x, y); } } void gtk_icon_helper_snapshot (GtkIconHelper *self, GtkSnapshot *snapshot) { GtkCssStyle *style; GskTexture *texture; gtk_icon_helper_ensure_texture (self, gtk_snapshot_get_renderer (snapshot)); texture = self->priv->texture; if (texture == NULL) return; style = gtk_css_node_get_style (gtk_css_gadget_get_node (GTK_CSS_GADGET (self))); gtk_css_style_snapshot_icon_texture (style, snapshot, texture, gtk_widget_get_scale_factor (gtk_css_gadget_get_owner (GTK_CSS_GADGET (self)))); } gboolean _gtk_icon_helper_get_is_empty (GtkIconHelper *self) { return gtk_image_definition_get_storage_type (self->priv->def) == GTK_IMAGE_EMPTY; } gboolean _gtk_icon_helper_get_force_scale_pixbuf (GtkIconHelper *self) { return self->priv->force_scale_pixbuf; } void _gtk_icon_helper_set_force_scale_pixbuf (GtkIconHelper *self, gboolean force_scale) { if (self->priv->force_scale_pixbuf != force_scale) { self->priv->force_scale_pixbuf = force_scale; gtk_icon_helper_invalidate (self); } } void _gtk_icon_helper_set_pixbuf_scale (GtkIconHelper *self, int scale) { switch (gtk_image_definition_get_storage_type (self->priv->def)) { case GTK_IMAGE_PIXBUF: gtk_icon_helper_take_definition (self, gtk_image_definition_new_pixbuf (gtk_image_definition_get_pixbuf (self->priv->def), scale)); break; case GTK_IMAGE_ANIMATION: gtk_icon_helper_take_definition (self, gtk_image_definition_new_animation (gtk_image_definition_get_animation (self->priv->def), scale)); break; default: break; } }