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/* gen_palm_colormap.c - generate a ppm file containing the default Palm colormap
*
* Based on an earlier version by Bill Janssen <bill@janssen.org>
*/
#include "netpbm/ppm.h"
#include "netpbm/pm_c_util.h"
#include "palm.h"
int
main(int argc,
char ** argv) {
Colormap defaultMap;
unsigned int i;
pixel pix;
defaultMap = palmcolor_build_default_8bit_colormap();
qsort (defaultMap->color_entries, defaultMap->ncolors,
sizeof(Color_s), palmcolor_compare_indices);
ppm_writeppminit(stdout, 256, 1, 255, TRUE);
for (i = 0; i < defaultMap->ncolors; ++i) {
Color_s const current = defaultMap->color_entries[i];
PPM_ASSIGN(pix,
(current >> 16) & 0xff,
(current >> 8) & 0xff,
(current >> 0) & 0xff);
ppm_writeppmrow(stdout, &pix, 1, 255, TRUE);
}
/* palmcolor_build_default_8bit_colormap() builds a map of the 231 default
* palm colors and 1 extra black pixel. Add another 24 extra black pixels
* as per spec. */
PPM_ASSIGN(pix, 0, 0, 0);
for (i = 0; i < 256 - defaultMap->ncolors; ++i) {
ppm_writeppmrow(stdout, &pix, 1, 255, TRUE);
}
return 0;
}
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