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| 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; |
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