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Side by Side Diff: core/fxcodec/jbig2/JBig2_ArithIntDecoder.cpp

Issue 2382723003: Move core/fxcrt/include to core/fxcrt (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved. 1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 6
7 #include "core/fxcodec/jbig2/JBig2_ArithIntDecoder.h" 7 #include "core/fxcodec/jbig2/JBig2_ArithIntDecoder.h"
8 8
9 #include <vector> 9 #include <vector>
10 10
11 #include "core/fxcrt/include/fx_basic.h" 11 #include "core/fxcrt/fx_basic.h"
12 12
13 namespace { 13 namespace {
14 14
15 int ShiftOr(int val, int bitwise_or_val) { 15 int ShiftOr(int val, int bitwise_or_val) {
16 return (val << 1) | bitwise_or_val; 16 return (val << 1) | bitwise_or_val;
17 } 17 }
18 18
19 const struct ArithIntDecodeData { 19 const struct ArithIntDecodeData {
20 int nNeedBits; 20 int nNeedBits;
21 int nValue; 21 int nValue;
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83 void CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder* pArithDecoder, 83 void CJBig2_ArithIaidDecoder::decode(CJBig2_ArithDecoder* pArithDecoder,
84 uint32_t* nResult) { 84 uint32_t* nResult) {
85 int PREV = 1; 85 int PREV = 1;
86 for (unsigned char i = 0; i < SBSYMCODELEN; ++i) { 86 for (unsigned char i = 0; i < SBSYMCODELEN; ++i) {
87 JBig2ArithCtx* pCX = &m_IAID[PREV]; 87 JBig2ArithCtx* pCX = &m_IAID[PREV];
88 int D = pArithDecoder->DECODE(pCX); 88 int D = pArithDecoder->DECODE(pCX);
89 PREV = ShiftOr(PREV, D); 89 PREV = ShiftOr(PREV, D);
90 } 90 }
91 *nResult = PREV - (1 << SBSYMCODELEN); 91 *nResult = PREV - (1 << SBSYMCODELEN);
92 } 92 }
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