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author | Guido Vollbeding <jpeg-info@uc.ag> | 2010-02-28 00:00:00 +0000 |
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committer | DRC <information@libjpeg-turbo.org> | 2015-07-27 13:46:36 -0500 |
commit | f18f81b7e20cf993786a3348960ab2428762deee (patch) | |
tree | 5931744282be16ee791b0ec43b9289aeb00b17e2 /jpegtran.c | |
parent | 989630f70cf1af69ebfefca8910d1647bf189712 (diff) | |
download | libjpeg-turbo-f18f81b7e20cf993786a3348960ab2428762deee.tar.gz |
The Independent JPEG Group's JPEG software v8a
Diffstat (limited to 'jpegtran.c')
-rw-r--r-- | jpegtran.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -1,7 +1,7 @@ /* * jpegtran.c * - * Copyright (C) 1995-2009, Thomas G. Lane, Guido Vollbeding. + * Copyright (C) 1995-2010, Thomas G. Lane, Guido Vollbeding. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * @@ -63,18 +63,20 @@ usage (void) #ifdef C_PROGRESSIVE_SUPPORTED fprintf(stderr, " -progressive Create progressive JPEG file\n"); #endif -#if TRANSFORMS_SUPPORTED fprintf(stderr, "Switches for modifying the image:\n"); +#if TRANSFORMS_SUPPORTED fprintf(stderr, " -crop WxH+X+Y Crop to a rectangular subarea\n"); fprintf(stderr, " -grayscale Reduce to grayscale (omit color data)\n"); fprintf(stderr, " -flip [horizontal|vertical] Mirror image (left-right or top-bottom)\n"); fprintf(stderr, " -perfect Fail if there is non-transformable edge blocks\n"); fprintf(stderr, " -rotate [90|180|270] Rotate image (degrees clockwise)\n"); +#endif fprintf(stderr, " -scale M/N Scale output image by fraction M/N, eg, 1/8\n"); +#if TRANSFORMS_SUPPORTED fprintf(stderr, " -transpose Transpose image\n"); fprintf(stderr, " -transverse Transverse transpose image\n"); fprintf(stderr, " -trim Drop non-transformable edge blocks\n"); -#endif /* TRANSFORMS_SUPPORTED */ +#endif fprintf(stderr, "Switches for advanced users:\n"); fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n"); fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); |