mirror of https://github.com/mpv-player/mpv
53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
|
/*
|
||
|
|
* PNM image files loader
|
||
|
|
*
|
||
|
|
* This file is part of MPlayer.
|
||
|
|
*
|
||
|
|
* MPlayer 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.
|
||
|
|
*
|
||
|
|
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
|
||
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||
|
|
*
|
||
|
|
* You can alternatively redistribute this file and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MPLAYER_PNM_LOADER_H
|
||
|
|
#define MPLAYER_PNM_LOADER_H
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Read a "portable anymap" image.
|
||
|
|
* Supports raw PGM (P5) and PNM (P6).
|
||
|
|
*
|
||
|
|
* @param[in] f input stream.
|
||
|
|
* @param[out] width width of the loaded image.
|
||
|
|
* @param[out] height height of the loaded image.
|
||
|
|
* @param[out] bytes_per_pixel format of the loaded image.
|
||
|
|
* @param[out] maxval maximum pixel value; possible values are:
|
||
|
|
* 1 for 8 bits gray,
|
||
|
|
* 2 for 16 bits gray,
|
||
|
|
* 3 for 8 bits per component RGB,
|
||
|
|
* 6 for 16 bits per component RGB.
|
||
|
|
* @return a newly allocated array of
|
||
|
|
* width*height*bytes_per_pixel bytes,
|
||
|
|
* or NULL in case of error.
|
||
|
|
*/
|
||
|
|
uint8_t *read_pnm(FILE *f, int *width, int *height,
|
||
|
|
int *bytes_per_pixel, int *maxval);
|
||
|
|
|
||
|
|
#endif /* MPLAYER_PNM_LOADER_H */
|