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/******************************************************************************
ppmcolors
*******************************************************************************
Generate a color map containing all the colors representable with a certain
maxval.
THIS PROGRAM IS OBSOLETE. USE PAMSEQ INSTEAD. WE KEEP THIS AROUND
FOR BACKWARD COMPATIBILITY.
******************************************************************************/
#include "ppm.h"
#include "shhopt.h"
#include "nstring.h"
struct cmdlineInfo {
/* All the information the user supplied in the command line,
in a form easy for the program to use.
*/
unsigned int maxval;
};
static void
parseCommandLine(int argc, char ** argv, struct cmdlineInfo *cmdlineP) {
/*----------------------------------------------------------------------------
Note that the file spec array we return is stored in the storage that
was passed to us as the argv array.
-----------------------------------------------------------------------------*/
optStruct3 opt; /* set by OPTENT3 */
optEntry *option_def = malloc(100*sizeof(optEntry));
unsigned int option_def_index;
option_def_index = 0; /* incremented by OPTENT3 */
OPTENT3(0, "maxval", OPT_UINT,
&cmdlineP->maxval, NULL, 0);
opt.opt_table = option_def;
opt.short_allowed = FALSE; /* We have no short (old-fashioned) options */
opt.allowNegNum = FALSE; /* We may have parms that are negative numbers */
/* defaults */
cmdlineP->maxval = 5;
optParseOptions3(&argc, argv, opt, sizeof(opt), 0);
/* Uses and sets argc, argv, and some of *cmdlineP and others. */
if (cmdlineP->maxval < 1)
pm_error("-maxval must be at least 1");
else if (cmdlineP->maxval > PPM_OVERALLMAXVAL)
pm_error("-maxval too high. The maximum allowable value is %u",
PPM_OVERALLMAXVAL);
if (argc-1 > 0)
pm_error("This program takes no arguments. You specified %d",
argc-1);
}
int
main(int argc, char *argv[]) {
struct cmdlineInfo cmdline;
const char * cmd; /* malloc'ed */
int rc;
ppm_init(&argc, argv);
parseCommandLine(argc, argv, &cmdline);
asprintfN(&cmd, "pamseq 3 %u -tupletype=RGB | pamtopnm", cmdline.maxval);
rc = system(cmd);
if (rc != 0)
pm_error("pamseq|pamtopnm pipeline failed. system() rc = %d", rc);
strfree(cmd);
exit(rc);
}
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