diff options
Diffstat (limited to 'tools/tiffdither.c')
| -rw-r--r-- | tools/tiffdither.c | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/tools/tiffdither.c b/tools/tiffdither.c index a9d1b7c5..9ed761dd 100644 --- a/tools/tiffdither.c +++ b/tools/tiffdither.c @@ -46,6 +46,10 @@ #define EXIT_FAILURE 1 #endif +#ifndef HAVE_GETOPT +extern int getopt(int argc, char * const argv[], const char *optstring); +#endif + #define streq(a,b) (strcmp(a,b) == 0) #define strneq(a,b,n) (strncmp(a,b,n) == 0) @@ -305,29 +309,39 @@ main(int argc, char* argv[]) return (EXIT_SUCCESS); } -static const char* stuff[] = { +static const char* usage_info[] = { "usage: tiffdither [options] input.tif output.tif", "where options are:", -" -r # make each strip have no more than # rows", -" -t # set the threshold value for dithering (default 128)", -" -f lsb2msb force lsb-to-msb FillOrder for output", -" -f msb2lsb force msb-to-lsb FillOrder for output", -" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding", -" -c zip[:opts] compress output with deflate encoding", -" -c packbits compress output with packbits encoding", -" -c g3[:opts] compress output with CCITT Group 3 encoding", -" -c g4 compress output with CCITT Group 4 encoding", -" -c none use no compression algorithm on output", +" -r # make each strip have no more than # rows", +" -t # set the threshold value for dithering (default 128)", +" -f lsb2msb force lsb-to-msb FillOrder for output", +" -f msb2lsb force msb-to-lsb FillOrder for output", "", -"Group 3 options:", -" 1d use default CCITT Group 3 1D-encoding", -" 2d use optional CCITT Group 3 2D-encoding", -" fill byte-align EOL codes", -"For example, -c g3:2d:fill to get G3-2D-encoded data with byte-aligned EOLs", +#ifdef LZW_SUPPORT +" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding", +" # set predictor value", +" For example, -c lzw:2 for LZW-encoded data with horizontal differencing", +#endif +#ifdef ZIP_SUPPORT +" -c zip[:opts] compress output with deflate encoding", +" # set predictor value", +#endif +#ifdef PACKBITS_SUPPORT +" -c packbits compress output with packbits encoding", +#endif +#ifdef CCITT_SUPPORT +" -c g3[:opts] compress output with CCITT Group 3 encoding", +" Group 3 options:", +" 1d use default CCITT Group 3 1D-encoding", +" 2d use optional CCITT Group 3 2D-encoding", +" fill byte-align EOL codes", +" For example, -c g3:2d:fill for G3-2D-encoded data with byte-aligned EOLs", +" -c g4 compress output with CCITT Group 4 encoding", +#endif +#if defined(LZW_SUPPORT) || defined(ZIP_SUPPORT) || defined(PACKBITS_SUPPORT) || defined(CCITT_SUPPORT) +" -c none use no compression algorithm on output", +#endif "", -"LZW and deflate options:", -" # set predictor value", -"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing", NULL }; @@ -338,8 +352,8 @@ usage(int code) FILE * out = (code == EXIT_SUCCESS) ? stdout : stderr; fprintf(out, "%s\n\n", TIFFGetVersion()); - for (i = 0; stuff[i] != NULL; i++) - fprintf(out, "%s\n", stuff[i]); + for (i = 0; usage_info[i] != NULL; i++) + fprintf(out, "%s\n", usage_info[i]); exit(code); } |