1/*
2 * jdmaster.h
3 *
4 * This file was part of the Independent JPEG Group's software:
5 * Copyright (C) 1991-1995, Thomas G. Lane.
6 * For conditions of distribution and use, see the accompanying README.ijg
7 * file.
8 *
9 * This file contains the master control structure for the JPEG decompressor.
10 */
11
12/* Private state */
13
14typedef struct {
15 struct jpeg_decomp_master pub; /* public fields */
16
17 int pass_number; /* # of passes completed */
18
19 boolean using_merged_upsample; /* TRUE if using merged upsample/cconvert */
20
21 /* Saved references to initialized quantizer modules,
22 * in case we need to switch modes.
23 */
24 struct jpeg_color_quantizer *quantizer_1pass;
25 struct jpeg_color_quantizer *quantizer_2pass;
26} my_decomp_master;
27
28typedef my_decomp_master *my_master_ptr;
29