forked from AuroraMiddleware/gtk
d0ed72ee14
1999-11-04 Jonathan Blandford <jrb@redhat.com> * src/gdk-pixbuf-loader.c (gdk_pixbuf_loader_update): handle the actual update. * src/io-png.c (image_begin_load): add a update_func callback. * src/io-gif.c (image_begin_load): add a update_func callback. * src/io-tiff.c (image_begin_load): add a update_func callback.
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
/* GdkPixbuf library - Io handling
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*
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* Copyright (C) 1999 The Free Software Foundation
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*
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* Authors: Mark Crichton <crichton@gimp.org>
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* Miguel de Icaza <miguel@gnu.org>
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* Federico Mena-Quintero <federico@gimp.org>
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* Jonathan Blandford <jrb@redhat.com>
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* Michael Fulbright <drmike@redhat.com>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef GDK_PIXBUF_IO_H
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#define GDK_PIXBUF_IO_H
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#include <gmodule.h>
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#include "gdk-pixbuf.h"
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#pragma }
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#endif
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typedef void (* ModulePreparedNotifyFunc) (GdkPixbuf *pixbuf, gpointer user_data);
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typedef void (* ModuleUpdatedNotifyFunc) (GdkPixbuf *pixbuf, gpointer user_data, guint x, guint y, guint width, guint height);
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typedef struct _GdkPixbufModule GdkPixbufModule;
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struct _GdkPixbufModule {
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char *module_name;
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gboolean (* format_check) (guchar *buffer, int size);
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GModule *module;
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GdkPixbuf *(* load) (FILE *f);
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GdkPixbuf *(* load_xpm_data) (const gchar **data);
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/* Incremental loading */
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gpointer (* begin_load) (ModulePreparedNotifyFunc prepare_func, ModuleUpdatedNotifyFunc update_func, gpointer user_data);
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void (* stop_load) (gpointer context);
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gboolean (* load_increment)(gpointer context, const gchar *buf, guint size);
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};
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GdkPixbufModule *gdk_pixbuf_get_module (gchar *buffer, gint size);
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void gdk_pixbuf_load_module (GdkPixbufModule *image_module);
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#ifdef __cplusplus
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}
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#endif
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#endif
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