gtk2/gtk/gtkimage.h
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2017-10-01 09:19:09 +02:00

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C

/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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 <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#ifndef __GTK_IMAGE_H__
#define __GTK_IMAGE_H__
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gio/gio.h>
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_IMAGE (gtk_image_get_type ())
#define GTK_IMAGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_IMAGE, GtkImage))
#define GTK_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_IMAGE, GtkImageClass))
#define GTK_IS_IMAGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_IMAGE))
#define GTK_IS_IMAGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_IMAGE))
#define GTK_IMAGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_IMAGE, GtkImageClass))
typedef struct _GtkImage GtkImage;
typedef struct _GtkImagePrivate GtkImagePrivate;
typedef struct _GtkImageClass GtkImageClass;
/**
* GtkImageType:
* @GTK_IMAGE_EMPTY: there is no image displayed by the widget
* @GTK_IMAGE_PIXBUF: the widget contains a #GdkPixbuf
* @GTK_IMAGE_ANIMATION: the widget contains a #GdkPixbufAnimation
* @GTK_IMAGE_ICON_NAME: the widget contains a named icon.
* This image type was added in GTK+ 2.6
* @GTK_IMAGE_GICON: the widget contains a #GIcon.
* This image type was added in GTK+ 2.14
* @GTK_IMAGE_SURFACE: the widget contains a #cairo_surface_t.
* This image type was added in GTK+ 3.10
*
* Describes the image data representation used by a #GtkImage. If you
* want to get the image from the widget, you can only get the
* currently-stored representation. e.g. if the
* gtk_image_get_storage_type() returns #GTK_IMAGE_PIXBUF, then you can
* call gtk_image_get_pixbuf(). For empty images, you can request any
* storage type (call any of the "get" functions), but they will all
* return %NULL values.
*/
typedef enum
{
GTK_IMAGE_EMPTY,
GTK_IMAGE_PIXBUF,
GTK_IMAGE_ANIMATION,
GTK_IMAGE_ICON_NAME,
GTK_IMAGE_GICON,
GTK_IMAGE_SURFACE
} GtkImageType;
/**
* GtkImage:
*
* This struct contain private data only and should be accessed by the functions
* below.
*/
struct _GtkImage
{
GtkWidget parent_instance;
};
struct _GtkImageClass
{
GtkWidgetClass parent_class;
/* Padding for future expansion */
void (*_gtk_reserved1) (void);
void (*_gtk_reserved2) (void);
void (*_gtk_reserved3) (void);
void (*_gtk_reserved4) (void);
};
GDK_AVAILABLE_IN_ALL
GType gtk_image_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new (void);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new_from_file (const gchar *filename);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new_from_resource (const gchar *resource_path);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new_from_pixbuf (GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new_from_animation (GdkPixbufAnimation *animation);
GDK_AVAILABLE_IN_ALL
GtkWidget* gtk_image_new_from_icon_name (const gchar *icon_name,
GtkIconSize size);
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);
GDK_AVAILABLE_IN_ALL
void gtk_image_set_from_file (GtkImage *image,
const gchar *filename);
GDK_AVAILABLE_IN_ALL
void gtk_image_set_from_resource (GtkImage *image,
const gchar *resource_path);
GDK_AVAILABLE_IN_ALL
void gtk_image_set_from_pixbuf (GtkImage *image,
GdkPixbuf *pixbuf);
GDK_AVAILABLE_IN_ALL
void gtk_image_set_from_animation (GtkImage *image,
GdkPixbufAnimation *animation);
GDK_AVAILABLE_IN_ALL
void gtk_image_set_from_icon_name (GtkImage *image,
const gchar *icon_name,
GtkIconSize size);
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);
GDK_AVAILABLE_IN_ALL
GtkImageType gtk_image_get_storage_type (GtkImage *image);
GDK_AVAILABLE_IN_ALL
GdkPixbuf* gtk_image_get_pixbuf (GtkImage *image);
GDK_AVAILABLE_IN_ALL
GdkPixbufAnimation* gtk_image_get_animation (GtkImage *image);
GDK_AVAILABLE_IN_ALL
void gtk_image_get_icon_name (GtkImage *image,
const gchar **icon_name,
GtkIconSize *size);
GDK_AVAILABLE_IN_ALL
void gtk_image_get_gicon (GtkImage *image,
GIcon **gicon,
GtkIconSize *size);
GDK_AVAILABLE_IN_ALL
gint gtk_image_get_pixel_size (GtkImage *image);
G_END_DECLS
#endif /* __GTK_IMAGE_H__ */