| JMETHOD(void, start_pass,(j_decompress_ptr cinfo, boolean is_pre_scan)) | jpeg_color_quantizer | |
| JMETHOD(void, color_quantize,(j_decompress_ptr cinfo, JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows)) | jpeg_color_quantizer | |
| JMETHOD(void, finish_pass,(j_decompress_ptr cinfo)) | jpeg_color_quantizer | |
| JMETHOD(void, new_color_map,(j_decompress_ptr cinfo)) | jpeg_color_quantizer |