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Lines Matching refs:colormap

212 /* Emit 3 copies of same byte value --- handy subr for colormap construction */
221 emit_header (gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap)
223 /* If colormap==NULL, synthesize a grayscale colormap */
264       if (colormap != NULL) {
267           putc(GETJSAMPLE(colormap[0][i]) >> cshift, dinfo->pub.output_file);
268           putc(GETJSAMPLE(colormap[1][i]) >> cshift, dinfo->pub.output_file);
269           putc(GETJSAMPLE(colormap[2][i]) >> cshift, dinfo->pub.output_file);
272           put_3bytes(dinfo, GETJSAMPLE(colormap[0][i]) >> cshift);
309     emit_header(dest, cinfo->actual_number_of_colors, cinfo->colormap);