static GtkCssImage *
gtk_css_image_icon_theme_compute (GtkCssImage *image,
guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssImageIconTheme *icon_theme = GTK_CSS_IMAGE_ICON_THEME (image);
GtkCssImageIconTheme *copy;
copy = g_object_new (GTK_TYPE_CSS_IMAGE_ICON_THEME, NULL);
copy->name = g_strdup (icon_theme->name);
copy->icon_theme = gtk_css_icon_theme_value_get_icon_theme (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_THEME));
copy->scale = _gtk_style_provider_private_get_scale (provider);
gtk_icon_theme_lookup_symbolic_colors (style, ©->color, ©->success, ©->warning, ©->error);
return GTK_CSS_IMAGE (copy);
}
static GdkPaintable *
ensure_paintable_for_gicon (GtkIconHelper *self,
GtkCssStyle *style,
GtkTextDirection dir,
gint scale,
GIcon *gicon,
gboolean *symbolic)
{
GtkIconTheme *icon_theme;
gint width, height;
GtkIconInfo *info;
GtkIconLookupFlags flags;
GdkPaintable *paintable;
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);
width = height = gtk_icon_helper_get_size (self);
info = gtk_icon_theme_lookup_by_gicon_for_scale (icon_theme,
gicon,
MIN (width, height),
scale, flags);
if (info == NULL)
info = gtk_icon_theme_lookup_icon (icon_theme,
"image-missing",
width,
flags | GTK_ICON_LOOKUP_USE_BUILTIN | GTK_ICON_LOOKUP_GENERIC_FALLBACK);
*symbolic = gtk_icon_info_is_symbolic (info);
paintable = GDK_PAINTABLE (gtk_icon_info_load_texture (info));
g_object_unref (info);
if (paintable && scale != 1)
{
GdkPaintable *orig = paintable;
paintable = gtk_scaler_new (orig, scale);
g_object_unref (orig);
}
return paintable;
}
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;
}
