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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* GThumb
*
* Copyright (C) 2001 The Free Software Foundation, Inc.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*/
#ifndef _GTH_PIXBUF_OP_H
#define _GTH_PIXBUF_OP_H
#include <glib.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#define GTH_TYPE_PIXBUF_OP (gth_pixbuf_op_get_type ())
#define GTH_PIXBUF_OP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTH_TYPE_PIXBUF_OP, GthPixbufOp))
#define GTH_PIXBUF_OP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTH_TYPE_PIXBUF_OP, GthPixbufOpClass))
#define GTH_IS_PIXBUF_OP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTH_TYPE_PIXBUF_OP))
#define GTH_IS_PIXBUF_OP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTH_TYPE_PIXBUF_OP))
#define GTH_PIXBUF_OP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GTH_TYPE_PIXBUF_OP, GthPixbufOpClass))
typedef struct _GthPixbufOp GthPixbufOp;
typedef struct _GthPixbufOpClass GthPixbufOpClass;
typedef void (*PixbufOpFunc) (GthPixbufOp *pixbuf_op);
struct _GthPixbufOp {
GObject __parent;
GdkPixbuf *src;
GdkPixbuf *dest;
gpointer data;
PixbufOpFunc init_func;
PixbufOpFunc step_func;
PixbufOpFunc release_func;
PixbufOpFunc free_data_func;
gboolean single_step;
gboolean has_alpha;
int bytes_per_pixel;
int width, height;
int rowstride;
guchar *src_line, *src_pixel;
guchar *dest_line, *dest_pixel;
gboolean ltr, first_step, last_step;
guint timeout_id;
int line;
int line_step;
int column;
gboolean interrupt;
};
struct _GthPixbufOpClass {
GObjectClass __parent;
/* -- signals -- */
void (*pixbuf_op_progress) (GthPixbufOp *pixbuf,
float percentage);
void (*pixbuf_op_done) (GthPixbufOp *pixbuf_op,
gboolean completed);
};
GType gth_pixbuf_op_get_type (void);
GthPixbufOp * gth_pixbuf_op_new (GdkPixbuf *src,
GdkPixbuf *dest,
PixbufOpFunc init_func,
PixbufOpFunc step_func,
PixbufOpFunc release_func,
gpointer data);
void gth_pixbuf_op_set_single_step (GthPixbufOp *pixbuf_op,
gboolean single_step);
void gth_pixbuf_op_set_pixbufs (GthPixbufOp *pixbuf_op,
GdkPixbuf *src,
GdkPixbuf *dest);
void gth_pixbuf_op_start (GthPixbufOp *pixbuf_op);
void gth_pixbuf_op_stop (GthPixbufOp *pixbuf_op);
#endif /* _GTH_PIXBUF_OP_H */
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