GdkPixbuf *
gtk_render_icon_pixbuf_unpacked (GdkPixbuf *base_pixbuf,
GtkIconSize size,
GtkCssIconEffect icon_effect)
{
GdkPixbuf *scaled;
GdkPixbuf *stated;
cairo_surface_t *surface;
g_return_val_if_fail (base_pixbuf != NULL, NULL);
/* If the size was wildcarded, and we're allowed to scale, then scale; otherwise,
* leave it alone.
*/
if (size != (GtkIconSize) -1)
{
int width = 1;
int height = 1;
if (!gtk_icon_size_lookup (size, &width, &height))
{
g_warning (G_STRLOC ": invalid icon size '%d'", size);
return NULL;
}
scaled = scale_or_ref (base_pixbuf, width, height);
}
else
{
scaled = g_object_ref (base_pixbuf);
}
if (icon_effect != GTK_CSS_ICON_EFFECT_NONE)
{
surface = gdk_cairo_surface_create_from_pixbuf (scaled, 1, NULL);
gtk_css_icon_effect_apply (icon_effect, surface);
stated = gdk_pixbuf_get_from_surface (surface, 0, 0,
cairo_image_surface_get_width (surface),
cairo_image_surface_get_height (surface));
cairo_surface_destroy (surface);
}
else
{
stated = scaled;
}
return stated;
}
static GdkPixbuf *
render_icon (GtkStyle *style,
const GtkIconSource *source,
GtkTextDirection direction,
GtkStateType state,
GtkIconSize size,
GtkWidget *widget,
const gchar *detail)
{
int width = 1;
int height = 1;
GdkPixbuf *scaled;
GdkPixbuf *stated;
GdkPixbuf *base_pixbuf;
GdkScreen *screen;
GtkSettings *settings;
/* Oddly, style can be NULL in this function, because
* GtkIconSet can be used without a style and if so
* it uses this function.
*/
base_pixbuf = gtk_icon_source_get_pixbuf (source);
g_return_val_if_fail (base_pixbuf != NULL, NULL);
if (widget && gtk_widget_has_screen (widget))
{
screen = gtk_widget_get_screen (widget);
settings = gtk_settings_get_for_screen (screen);
}
else if (style->colormap)
{
screen = gdk_colormap_get_screen (style->colormap);
settings = gtk_settings_get_for_screen (screen);
}
else
{
settings = gtk_settings_get_default ();
GTK_NOTE (MULTIHEAD,
g_warning ("Using the default screen for gtk_default_render_icon()"));
}
if (size != (GtkIconSize) -1 && !gtk_icon_size_lookup_for_settings (settings, size, &width, &height))
{
g_warning (G_STRLOC ": invalid icon size '%d'", size);
return NULL;
}
/* If the size was wildcarded, and we're allowed to scale, then scale; otherwise,
* leave it alone.
*/
if (size != (GtkIconSize)-1 && gtk_icon_source_get_size_wildcarded (source))
scaled = scale_or_ref (base_pixbuf, width, height);
else
scaled = g_object_ref (base_pixbuf);
/* If the state was wildcarded, then generate a state. */
if (gtk_icon_source_get_state_wildcarded (source))
{
if (state == GTK_STATE_INSENSITIVE)
{
stated = set_transparency (scaled, 0.3);
gdk_pixbuf_saturate_and_pixelate (stated, stated, 0.1, FALSE);
g_object_unref (scaled);
}
else if (state == GTK_STATE_PRELIGHT)
{
stated = gdk_pixbuf_copy (scaled);
gdk_pixbuf_saturate_and_pixelate (scaled, stated, 1.2, FALSE);
g_object_unref (scaled);
}
else
{
stated = scaled;
}
}
else
stated = scaled;
return stated;
}