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/* sxiv: image.h
 * Copyright (c) 2012 Bert Muennich <be.muennich at googlemail.com>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef IMAGE_H
#define IMAGE_H

#include <Imlib2.h>

#include "types.h"
#include "window.h"

typedef struct {
	Imlib_Image *im;
	unsigned int delay;
} img_frame_t;

typedef struct {
	img_frame_t *frames;
	int cap;
	int cnt;
	int sel;
	bool animate;
} multi_img_t;

typedef struct {
	Imlib_Image *im;
	int w;
	int h;

	win_t *win;
	float x;
	float y;

	scalemode_t scalemode;
	float zoom;

	bool re;
	bool checkpan;
	bool dirty;
	bool aa;
	bool alpha;

	multi_img_t multi;
} img_t;

void img_init(img_t*, win_t*);

bool img_load(img_t*, const fileinfo_t*);
void img_close(img_t*, bool);

void img_render(img_t*);

bool img_fit_win(img_t*);
bool img_center(img_t*);

bool img_zoom(img_t*, float);
bool img_zoom_in(img_t*);
bool img_zoom_out(img_t*);

bool img_move(img_t*, float, float);
bool img_pan(img_t*, direction_t, int);
bool img_pan_edge(img_t*, direction_t);

void img_rotate_left(img_t*);
void img_rotate_right(img_t*);

void img_toggle_antialias(img_t*);

bool img_frame_navigate(img_t*, int);
bool img_frame_animate(img_t*, bool);

#endif /* IMAGE_H */