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nsxivimage.h

79 lines · 1.7 KB · Objective-C

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1/* sxiv: image.h
2 * Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19#ifndef IMAGE_H
20#define IMAGE_H
21
22#include <Imlib2.h>
23
24#include "window.h"
25
26typedef enum scalemode_e {
27 SCALE_DOWN = 0,
28 SCALE_FIT,
29 SCALE_ZOOM
30} scalemode_t;
31
32typedef enum pandir_e {
33 PAN_LEFT = 0,
34 PAN_RIGHT,
35 PAN_UP,
36 PAN_DOWN
37} pandir_t;
38
39typedef struct img_s {
40 Imlib_Image *im;
41
42 float zoom;
43 scalemode_t scalemode;
44
45 unsigned char re;
46 unsigned char checkpan;
47 unsigned char aa;
48
49 int x;
50 int y;
51 int w;
52 int h;
53} img_t;
54
55void img_init(img_t*, win_t*);
56void img_free(img_t*);
57
58int img_check(const char*);
59int img_load(img_t*, const char*);
60void img_close(img_t*);
61
62void img_render(img_t*, win_t*);
63
64int img_fit_win(img_t*, win_t*);
65int img_center(img_t*, win_t*);
66
67int img_zoom(img_t*, float);
68int img_zoom_in(img_t*);
69int img_zoom_out(img_t*);
70
71int img_move(img_t*, win_t*, int, int);
72int img_pan(img_t*, win_t*, pandir_t);
73
74void img_rotate_left(img_t*, win_t*);
75void img_rotate_right(img_t*, win_t*);
76
77void img_toggle_antialias(img_t*);
78
79#endif /* IMAGE_H */