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GtkImage: Add new_from_surface() and set_from_surface()

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This commit is contained in:
Alexander Larsson 2013-06-26 16:33:50 +02:00
parent 031e1a98a0
commit 31fc70721e
2 changed files with 82 additions and 0 deletions
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77
gtk/gtkimage.c
View File

@ -26,6 +26,7 @@
#include <math.h>
#include <string.h>
#include <cairo-gobject.h>
#include "gtkcontainer.h"
#include "gtkiconhelperprivate.h"
@ -185,6 +186,7 @@ enum
{
PROP_0,
PROP_PIXBUF,
PROP_SURFACE,
PROP_FILE,
PROP_STOCK,
PROP_ICON_SET,
@ -231,6 +233,14 @@ gtk_image_class_init (GtkImageClass *class)
GDK_TYPE_PIXBUF,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_SURFACE,
g_param_spec_boxed ("surface",
P_("Surface"),
P_("A cairo_surface_t to display"),
CAIRO_GOBJECT_TYPE_SURFACE,
GTK_PARAM_READWRITE));
g_object_class_install_property (gobject_class,
PROP_FILE,
g_param_spec_string ("file",
@ -430,6 +440,10 @@ gtk_image_set_property (GObject *object,
gtk_image_set_from_pixbuf (image,
g_value_get_object (value));
break;
case PROP_SURFACE:
gtk_image_set_from_surface (image,
g_value_get_boxed (value));
break;
case PROP_FILE:
gtk_image_set_from_file (image, g_value_get_string (value));
break;
@ -491,6 +505,9 @@ gtk_image_get_property (GObject *object,
case PROP_PIXBUF:
g_value_set_object (value, _gtk_icon_helper_peek_pixbuf (priv->icon_helper));
break;
case PROP_SURFACE:
g_value_set_boxed (value, _gtk_icon_helper_peek_surface (priv->icon_helper));
break;
case PROP_FILE:
g_value_set_string (value, priv->filename);
break;
@ -632,6 +649,29 @@ gtk_image_new_from_pixbuf (GdkPixbuf *pixbuf)
return GTK_WIDGET (image);
}
/**
* gtk_image_new_from_surface:
* @surface: (allow-none): a #cairo_surface_t, or %NULL
*
* Creates a new #GtkImage displaying @surface.
* The #GtkImage does not assume a reference to the
* surface; you still need to unref it if you own references.
* #GtkImage will add its own reference rather than adopting yours.
*
* Return value: a new #GtkImage
**/
GtkWidget*
gtk_image_new_from_surface (cairo_surface_t *surface)
{
GtkImage *image;
image = g_object_new (GTK_TYPE_IMAGE, NULL);
gtk_image_set_from_surface (image, surface);
return GTK_WIDGET (image);
}
/**
* gtk_image_new_from_stock:
* @stock_id: a stock icon name
@ -1128,6 +1168,43 @@ gtk_image_set_from_gicon (GtkImage *image,
g_object_thaw_notify (G_OBJECT (image));
}
/**
* gtk_image_set_from_surface:
* @image: a #GtkImage
* @surface: a cairo_surface_t
*
* See gtk_image_new_from_surface() for details.
*
* Since: 3.10
**/
void
gtk_image_set_from_surface (GtkImage *image,
cairo_surface_t *surface)
{
GtkImagePrivate *priv;
g_return_if_fail (GTK_IS_IMAGE (image));
priv = image->priv;
g_object_freeze_notify (G_OBJECT (image));
if (surface)
cairo_surface_reference (surface);
gtk_image_clear (image);
if (surface)
{
_gtk_icon_helper_set_surface (priv->icon_helper, surface);
cairo_surface_destroy (surface);
}
g_object_notify (G_OBJECT (image), "surface");
g_object_thaw_notify (G_OBJECT (image));
}
/**
* gtk_image_get_storage_type:
* @image: a #GtkImage

5
gtk/gtkimage.h
View File

@ -133,6 +133,8 @@ GtkWidget* gtk_image_new_from_icon_name (const gchar *icon_name,
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new_from_gicon (GIcon *icon,
GtkIconSize size);
GDK_AVAILABLE_IN_3_10
GtkWidget* gtk_image_new_from_surface (cairo_surface_t *surface);
GDK_AVAILABLE_IN_ALL
void gtk_image_clear (GtkImage *image);
@ -164,6 +166,9 @@ GDK_AVAILABLE_IN_ALL
void gtk_image_set_from_gicon (GtkImage *image,
GIcon *icon,
GtkIconSize size);
GDK_AVAILABLE_IN_3_10
void gtk_image_set_from_surface (GtkImage *image,
cairo_surface_t *surface);
GDK_AVAILABLE_IN_ALL
void gtk_image_set_pixel_size (GtkImage *image,
gint pixel_size);