Lines Matching refs:colormap
210 /* Emit 3 copies of same byte value --- handy subr for colormap construction */
219 emit_header (gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap)
221 /* If colormap==NULL, synthesize a gray-scale colormap */
262 if (colormap != NULL) {
265 putc(GETJSAMPLE(colormap[0][i]) >> cshift, dinfo->pub.output_file);
266 putc(GETJSAMPLE(colormap[1][i]) >> cshift, dinfo->pub.output_file);
267 putc(GETJSAMPLE(colormap[2][i]) >> cshift, dinfo->pub.output_file);
270 put_3bytes(dinfo, GETJSAMPLE(colormap[0][i]) >> cshift);
307 emit_header(dest, cinfo->actual_number_of_colors, cinfo->colormap);