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68c6e93775
2004-05-13 Michael Natterer <mitch@gimp.org> Added GimpViewable infrastructure which enables migrating from TempBuf to GdkPixbuf for both providing and getting previews: * app/core/gimpviewable.[ch]: added new virtual functions GimpViewable::get_pixbuf() and GimpViewable::get_new_pixbuf() which are implemented exactly as get_preview() and get_new_preview() except that get_new_pixbuf() has a default implementation which creates the pixbuf from a TempBuf. Renamed public functions _get_preview_pixbuf() and _get_new_preview_pixbuf() to _get_pixbuf() and _get_new_pixbuf(). Added gimp_viewable_get_dummy_pixbuf() and use it from gimp_viewable_get_dummy_preview(). * app/core/gimpimagefile.c (gimp_imagefile_save_thumb) * app/display/gimpdisplayshell.c (gimp_display_shell_update_icon) * app/gui/resize-dialog.c (resize_dialog_new): changed accordingly.
158 lines
7.3 KiB
C
158 lines
7.3 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* gimpviewable.h
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* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_VIEWABLE_H__
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#define __GIMP_VIEWABLE_H__
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#include "gimpobject.h"
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#define GIMP_VIEWABLE_MAX_PREVIEW_SIZE 1024
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#define GIMP_VIEWABLE_MAX_POPUP_SIZE 256
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#define GIMP_VIEWABLE_MAX_BUTTON_SIZE 64
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#define GIMP_VIEWABLE_MAX_MENU_SIZE 48
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#define GIMP_TYPE_VIEWABLE (gimp_viewable_get_type ())
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#define GIMP_VIEWABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_VIEWABLE, GimpViewable))
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#define GIMP_VIEWABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_VIEWABLE, GimpViewableClass))
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#define GIMP_IS_VIEWABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_VIEWABLE))
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#define GIMP_IS_VIEWABLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_VIEWABLE))
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#define GIMP_VIEWABLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_VIEWABLE, GimpViewableClass))
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typedef struct _GimpViewableClass GimpViewableClass;
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struct _GimpViewable
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{
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GimpObject parent_instance;
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/*< private >*/
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gchar *stock_id;
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};
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struct _GimpViewableClass
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{
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GimpObjectClass parent_class;
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const gchar *default_stock_id;
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const gchar *name_changed_signal;
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/* signals */
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void (* invalidate_preview) (GimpViewable *viewable);
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void (* size_changed) (GimpViewable *viewable);
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/* virtual functions */
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void (* get_preview_size) (GimpViewable *viewable,
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gint size,
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gboolean is_popup,
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gboolean dot_for_dot,
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gint *width,
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gint *height);
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gboolean (* get_popup_size) (GimpViewable *viewable,
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gint width,
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gint height,
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gboolean dot_for_dot,
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gint *popup_width,
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gint *popup_height);
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TempBuf * (* get_preview) (GimpViewable *viewable,
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gint width,
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gint height);
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TempBuf * (* get_new_preview) (GimpViewable *viewable,
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gint width,
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gint height);
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GdkPixbuf * (* get_pixbuf) (GimpViewable *viewable,
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gint width,
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gint height);
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GdkPixbuf * (* get_new_pixbuf) (GimpViewable *viewable,
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gint width,
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gint height);
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gchar * (* get_description) (GimpViewable *viewable,
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gchar **tooltip);
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};
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GType gimp_viewable_get_type (void) G_GNUC_CONST;
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void gimp_viewable_invalidate_preview (GimpViewable *viewable);
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void gimp_viewable_size_changed (GimpViewable *viewable);
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void gimp_viewable_calc_preview_size (gint aspect_width,
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gint aspect_height,
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gint width,
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gint height,
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gboolean dot_for_dot,
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gdouble xresolution,
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gdouble yresolution,
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gint *return_width,
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gint *return_height,
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gboolean *scaling_up);
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void gimp_viewable_get_preview_size (GimpViewable *viewable,
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gint size,
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gboolean popup,
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gboolean dot_for_dot,
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gint *width,
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gint *height);
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gboolean gimp_viewable_get_popup_size (GimpViewable *viewable,
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gint width,
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gint height,
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gboolean dot_for_dot,
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gint *popup_width,
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gint *popup_height);
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TempBuf * gimp_viewable_get_preview (GimpViewable *viewable,
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gint width,
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gint height);
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TempBuf * gimp_viewable_get_new_preview (GimpViewable *viewable,
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gint width,
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gint height);
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TempBuf * gimp_viewable_get_dummy_preview (GimpViewable *vieable,
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gint width,
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gint height,
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gint bpp);
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GdkPixbuf * gimp_viewable_get_pixbuf (GimpViewable *viewable,
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gint width,
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gint height);
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GdkPixbuf * gimp_viewable_get_new_pixbuf (GimpViewable *viewable,
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gint width,
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gint height);
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GdkPixbuf * gimp_viewable_get_dummy_pixbuf (GimpViewable *viewable,
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gint width,
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gint height,
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gint bpp);
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gchar * gimp_viewable_get_description (GimpViewable *viewable,
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gchar **tooltip);
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const gchar * gimp_viewable_get_stock_id (GimpViewable *viewable);
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void gimp_viewable_set_stock_id (GimpViewable *viewable,
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const gchar *stock_id);
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#endif /* __GIMP_VIEWABLE_H__ */
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