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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);