gimp/libgimpwidgets/gimpzoommodel.h

90 lines
3.4 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimpzoommodel.h
* Copyright (C) 2005 David Odin <dindinx@gimp.org>
*
* 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 3 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
* <https://www.gnu.org/licenses/>.
*/
#if !defined (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
#endif
#ifndef __GIMP_ZOOM_MODEL_H__
#define __GIMP_ZOOM_MODEL_H__
G_BEGIN_DECLS
#define GIMP_TYPE_ZOOM_MODEL (gimp_zoom_model_get_type ())
#define GIMP_ZOOM_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_ZOOM_MODEL, GimpZoomModel))
#define GIMP_ZOOM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_ZOOM_MODEL, GimpZoomModelClass))
#define GIMP_IS_ZOOM_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_ZOOM_MODEL))
#define GIMP_IS_ZOOM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_ZOOM_MODEL))
#define GIMP_ZOOM_MODEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_ZOOM_MODEL, GimpZoomModel))
typedef struct _GimpZoomModelClass GimpZoomModelClass;
struct _GimpZoomModel
{
GObject parent_instance;
/*< private >*/
gpointer priv;
};
struct _GimpZoomModelClass
{
GObjectClass parent_class;
void (* zoomed) (GimpZoomModel *model,
gdouble old_factor,
gdouble new_factor);
/* Padding for future expansion */
void (* _gimp_reserved1) (void);
void (* _gimp_reserved2) (void);
void (* _gimp_reserved3) (void);
void (* _gimp_reserved4) (void);
};
GType gimp_zoom_model_get_type (void) G_GNUC_CONST;
GimpZoomModel * gimp_zoom_model_new (void);
void gimp_zoom_model_set_range (GimpZoomModel *model,
gdouble min,
gdouble max);
void gimp_zoom_model_zoom (GimpZoomModel *model,
GimpZoomType zoom_type,
gdouble scale);
gdouble gimp_zoom_model_get_factor (GimpZoomModel *model);
void gimp_zoom_model_get_fraction (GimpZoomModel *model,
gint *numerator,
gint *denominator);
GtkWidget * gimp_zoom_button_new (GimpZoomModel *model,
GimpZoomType zoom_type,
GtkIconSize icon_size);
gdouble gimp_zoom_model_zoom_step (GimpZoomType zoom_type,
gdouble scale);
G_END_DECLS
#endif /* __GIMP_ZOOM_MODEL_H__ */