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 
14 typedef 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 
28 typedef my_decomp_master *my_master_ptr;
29