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Diffstat (limited to 'apps/plugins/imageviewer/ppm/ppm_decoder.h')
| -rw-r--r-- | apps/plugins/imageviewer/ppm/ppm_decoder.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/apps/plugins/imageviewer/ppm/ppm_decoder.h b/apps/plugins/imageviewer/ppm/ppm_decoder.h new file mode 100644 index 0000000..edd1bcb --- /dev/null +++ b/apps/plugins/imageviewer/ppm/ppm_decoder.h @@ -0,0 +1,44 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2010 Marcin Bukat + * + * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +/* Magic constants. */ +#define PPM_MAGIC1 'P' +#define PPM_MAGIC2 '3' +#define RPPM_MAGIC2 '6' +#define PPM_FORMAT (PPM_MAGIC1 * 256 + PPM_MAGIC2) +#define RPPM_FORMAT (PPM_MAGIC1 * 256 + RPPM_MAGIC2) + +#define PPM_OVERALLMAXVAL 65535 + +#define ppm_error(...) rb->splashf(HZ*2, __VA_ARGS__ ) + +struct ppm_info { + int x; + int y; + int maxval; + int format; + unsigned char *buf; + size_t buf_size; + unsigned int native_img_size; +}; + +/* public prototype */ +int read_ppm(int fd, struct ppm_info *ppm); |