diff options
Diffstat (limited to 'pnm_loader.h')
-rw-r--r-- | pnm_loader.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/pnm_loader.h b/pnm_loader.h new file mode 100644 index 0000000000..e00cce2e63 --- /dev/null +++ b/pnm_loader.h @@ -0,0 +1,52 @@ +/* + * 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 */ |