gimp/app/core/gimpviewable.h

192 lines
9.7 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
*
* gimpviewable.h
* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_VIEWABLE_H__
#define __GIMP_VIEWABLE_H__
#include "gimpobject.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#define GIMP_VIEWABLE_MAX_PREVIEW_SIZE 2048
#define GIMP_VIEWABLE_MAX_POPUP_SIZE 256
#define GIMP_VIEWABLE_MAX_BUTTON_SIZE 64
#define GIMP_VIEWABLE_MAX_MENU_SIZE 48
#define GIMP_VIEWABLE_PRIORITY_IDLE G_PRIORITY_LOW
#define GIMP_TYPE_VIEWABLE (gimp_viewable_get_type ())
#define GIMP_VIEWABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_VIEWABLE, GimpViewable))
#define GIMP_VIEWABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_VIEWABLE, GimpViewableClass))
#define GIMP_IS_VIEWABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_VIEWABLE))
#define GIMP_IS_VIEWABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_VIEWABLE))
#define GIMP_VIEWABLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_VIEWABLE, GimpViewableClass))
typedef struct _GimpViewableClass GimpViewableClass;
struct _GimpViewable
{
GimpObject parent_instance;
};
struct _GimpViewableClass
{
GimpObjectClass parent_class;
const gchar *default_stock_id;
const gchar *name_changed_signal;
/* signals */
void (* invalidate_preview) (GimpViewable *viewable);
void (* size_changed) (GimpViewable *viewable);
/* virtual functions */
gboolean (* get_size) (GimpViewable *viewable,
gint *width,
gint *height);
void (* get_preview_size) (GimpViewable *viewable,
gint size,
gboolean is_popup,
gboolean dot_for_dot,
gint *width,
gint *height);
gboolean (* get_popup_size) (GimpViewable *viewable,
gint width,
gint height,
gboolean dot_for_dot,
gint *popup_width,
gint *popup_height);
TempBuf * (* get_preview) (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
TempBuf * (* get_new_preview) (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
GdkPixbuf * (* get_pixbuf) (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
GdkPixbuf * (* get_new_pixbuf) (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
gchar * (* get_description) (GimpViewable *viewable,
gchar **tooltip);
GimpContainer * (* get_children) (GimpViewable *viewable);
void (* set_expanded) (GimpViewable *viewable,
gboolean expand);
gboolean (* get_expanded) (GimpViewable *viewable);
};
GType gimp_viewable_get_type (void) G_GNUC_CONST;
void gimp_viewable_invalidate_preview (GimpViewable *viewable);
void gimp_viewable_size_changed (GimpViewable *viewable);
void gimp_viewable_calc_preview_size (gint aspect_width,
gint aspect_height,
gint width,
gint height,
gboolean dot_for_dot,
gdouble xresolution,
gdouble yresolution,
gint *return_width,
gint *return_height,
gboolean *scaling_up);
gboolean gimp_viewable_get_size (GimpViewable *viewable,
gint *width,
gint *height);
void gimp_viewable_get_preview_size (GimpViewable *viewable,
gint size,
gboolean popup,
gboolean dot_for_dot,
gint *width,
gint *height);
gboolean gimp_viewable_get_popup_size (GimpViewable *viewable,
gint width,
gint height,
gboolean dot_for_dot,
gint *popup_width,
gint *popup_height);
TempBuf * gimp_viewable_get_preview (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
TempBuf * gimp_viewable_get_new_preview (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
TempBuf * gimp_viewable_get_dummy_preview (GimpViewable *viewable,
gint width,
gint height,
gint bpp);
GdkPixbuf * gimp_viewable_get_pixbuf (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
GdkPixbuf * gimp_viewable_get_new_pixbuf (GimpViewable *viewable,
GimpContext *context,
gint width,
gint height);
GdkPixbuf * gimp_viewable_get_dummy_pixbuf (GimpViewable *viewable,
gint width,
gint height,
gint bpp);
gchar * gimp_viewable_get_description (GimpViewable *viewable,
gchar **tooltip);
const gchar * gimp_viewable_get_stock_id (GimpViewable *viewable);
void gimp_viewable_set_stock_id (GimpViewable *viewable,
const gchar *stock_id);
void gimp_viewable_preview_freeze (GimpViewable *viewable);
void gimp_viewable_preview_thaw (GimpViewable *viewable);
gboolean gimp_viewable_preview_is_frozen (GimpViewable *viewable);
GimpViewable * gimp_viewable_get_parent (GimpViewable *viewable);
void gimp_viewable_set_parent (GimpViewable *viewable,
GimpViewable *parent);
GimpContainer * gimp_viewable_get_children (GimpViewable *viewable);
gboolean gimp_viewable_get_expanded (GimpViewable *viewable);
void gimp_viewable_set_expanded (GimpViewable *viewable,
gboolean expanded);
gboolean gimp_viewable_is_ancestor (GimpViewable *ancestor,
GimpViewable *descendant);
#endif /* __GIMP_VIEWABLE_H__ */