76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/* sxiv: image.h
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* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
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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 IMAGE_H
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#define IMAGE_H
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#include "window.h"
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typedef enum scalemode_e {
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SCALE_DOWN = 0,
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SCALE_FIT,
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SCALE_ZOOM
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} scalemode_t;
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typedef enum pandir_e {
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PAN_LEFT = 0,
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PAN_RIGHT,
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PAN_UP,
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PAN_DOWN
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} pandir_t;
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typedef struct img_s {
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float zoom;
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scalemode_t scalemode;
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unsigned char valid;
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unsigned char re;
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unsigned char checkpan;
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unsigned char aa;
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int x;
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int y;
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int w;
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int h;
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} img_t;
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void img_init(img_t*, win_t*);
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void img_free(img_t*);
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int img_check(const char*);
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int img_load(img_t*, const char*);
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void img_render(img_t*, win_t*);
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int img_fit_win(img_t*, win_t*);
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int img_center(img_t*, win_t*);
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int img_zoom(img_t*, float);
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int img_zoom_in(img_t*);
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int img_zoom_out(img_t*);
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int img_move(img_t*, win_t*, int, int);
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int img_pan(img_t*, win_t*, pandir_t);
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void img_rotate_left(img_t*, win_t*);
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void img_rotate_right(img_t*, win_t*);
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void img_toggle_antialias(img_t*);
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#endif /* IMAGE_H */
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