forked from openkylin/gimp
90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
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/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimpzoommodel.h
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* Copyright (C) 2005 David Odin <dindinx@gimp.org>
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#if !defined (__GIMP_WIDGETS_H_INSIDE__) && !defined (GIMP_WIDGETS_COMPILATION)
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#error "Only <libgimpwidgets/gimpwidgets.h> can be included directly."
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#endif
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#ifndef __GIMP_ZOOM_MODEL_H__
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#define __GIMP_ZOOM_MODEL_H__
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G_BEGIN_DECLS
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#define GIMP_TYPE_ZOOM_MODEL (gimp_zoom_model_get_type ())
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#define GIMP_ZOOM_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_ZOOM_MODEL, GimpZoomModel))
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#define GIMP_ZOOM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_ZOOM_MODEL, GimpZoomModelClass))
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#define GIMP_IS_ZOOM_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_ZOOM_MODEL))
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#define GIMP_IS_ZOOM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_ZOOM_MODEL))
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#define GIMP_ZOOM_MODEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_ZOOM_MODEL, GimpZoomModel))
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typedef struct _GimpZoomModelClass GimpZoomModelClass;
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struct _GimpZoomModel
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{
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GObject parent_instance;
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/*< private >*/
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gpointer priv;
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};
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struct _GimpZoomModelClass
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{
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GObjectClass parent_class;
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void (* zoomed) (GimpZoomModel *model,
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gdouble old_factor,
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gdouble new_factor);
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/* Padding for future expansion */
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void (* _gimp_reserved1) (void);
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void (* _gimp_reserved2) (void);
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void (* _gimp_reserved3) (void);
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void (* _gimp_reserved4) (void);
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};
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GType gimp_zoom_model_get_type (void) G_GNUC_CONST;
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GimpZoomModel * gimp_zoom_model_new (void);
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void gimp_zoom_model_set_range (GimpZoomModel *model,
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gdouble min,
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gdouble max);
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void gimp_zoom_model_zoom (GimpZoomModel *model,
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GimpZoomType zoom_type,
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gdouble scale);
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gdouble gimp_zoom_model_get_factor (GimpZoomModel *model);
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void gimp_zoom_model_get_fraction (GimpZoomModel *model,
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gint *numerator,
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gint *denominator);
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GtkWidget * gimp_zoom_button_new (GimpZoomModel *model,
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GimpZoomType zoom_type,
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GtkIconSize icon_size);
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gdouble gimp_zoom_model_zoom_step (GimpZoomType zoom_type,
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gdouble scale);
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G_END_DECLS
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#endif /* __GIMP_ZOOM_MODEL_H__ */
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