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Issue 1591563002: XFA: Remove ifdefs for _FX_MANAGED_CODE_. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * jchuff.c 2 * jchuff.c
3 * 3 *
4 * Copyright (C) 1991-1997, Thomas G. Lane. 4 * Copyright (C) 1991-1997, Thomas G. Lane.
5 * This file is part of the Independent JPEG Group's software. 5 * This file is part of the Independent JPEG Group's software.
6 * For conditions of distribution and use, see the accompanying README file. 6 * For conditions of distribution and use, see the accompanying README file.
7 * 7 *
8 * This file contains Huffman entropy encoding routines. 8 * This file contains Huffman entropy encoding routines.
9 * 9 *
10 * Much of the complexity here has to do with supporting output suspension. 10 * Much of the complexity here has to do with supporting output suspension.
11 * If the data destination module demands suspension, we want to be able to 11 * If the data destination module demands suspension, we want to be able to
12 * back up to the start of the current MCU. To do this, we copy state 12 * back up to the start of the current MCU. To do this, we copy state
13 * variables into local working storage, and update them back to the 13 * variables into local working storage, and update them back to the
14 * permanent JPEG objects only upon successful completion of an MCU. 14 * permanent JPEG objects only upon successful completion of an MCU.
15 */ 15 */
16 16
17 #define JPEG_INTERNALS 17 #define JPEG_INTERNALS
18 #include "jinclude.h" 18 #include "jinclude.h"
19 #include "jpeglib.h" 19 #include "jpeglib.h"
20 #include "jchuff.h" /* Declarations shared with jcphuff.c */ 20 #include "jchuff.h" /* Declarations shared with jcphuff.c */
21 21
22 #ifdef _FX_MANAGED_CODE_
23 #define savable_state savable_state_c
24 #endif
25
26 /* Expanded entropy encoder object for Huffman encoding. 22 /* Expanded entropy encoder object for Huffman encoding.
27 * 23 *
28 * The savable_state subrecord contains fields that change within an MCU, 24 * The savable_state subrecord contains fields that change within an MCU,
29 * but must not be updated permanently until we complete the MCU. 25 * but must not be updated permanently until we complete the MCU.
30 */ 26 */
31 27
32 typedef struct { 28 typedef struct {
33 INT32 put_buffer; /* current bit-accumulation buffer */ 29 INT32 put_buffer; /* current bit-accumulation buffer */
34 int put_bits; /* # of bits now in it */ 30 int put_bits; /* # of bits now in it */
35 int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */ 31 int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */
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903 entropy->pub.start_pass = start_pass_huff; 899 entropy->pub.start_pass = start_pass_huff;
904 900
905 /* Mark tables unallocated */ 901 /* Mark tables unallocated */
906 for (i = 0; i < NUM_HUFF_TBLS; i++) { 902 for (i = 0; i < NUM_HUFF_TBLS; i++) {
907 entropy->dc_derived_tbls[i] = entropy->ac_derived_tbls[i] = NULL; 903 entropy->dc_derived_tbls[i] = entropy->ac_derived_tbls[i] = NULL;
908 #ifdef ENTROPY_OPT_SUPPORTED 904 #ifdef ENTROPY_OPT_SUPPORTED
909 entropy->dc_count_ptrs[i] = entropy->ac_count_ptrs[i] = NULL; 905 entropy->dc_count_ptrs[i] = entropy->ac_count_ptrs[i] = NULL;
910 #endif 906 #endif
911 } 907 }
912 } 908 }
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