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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 "JBig2_SymbolDict.h" | 7 #include "JBig2_SymbolDict.h" |
8 | 8 |
9 #include "../../../include/fxcrt/fx_memory.h" | 9 #include "../../../include/fxcrt/fx_memory.h" |
| 10 #include "JBig2_Image.h" |
10 | 11 |
11 CJBig2_SymbolDict::CJBig2_SymbolDict() { | 12 CJBig2_SymbolDict::CJBig2_SymbolDict() { |
12 SDNUMEXSYMS = 0; | 13 SDNUMEXSYMS = 0; |
13 SDEXSYMS = NULL; | 14 SDEXSYMS = NULL; |
14 m_bContextRetained = FALSE; | 15 m_bContextRetained = FALSE; |
15 m_gbContext = m_grContext = NULL; | 16 m_gbContext = m_grContext = NULL; |
16 } | 17 } |
17 | 18 |
18 CJBig2_SymbolDict* CJBig2_SymbolDict::DeepCopy() { | 19 nonstd::unique_ptr<CJBig2_SymbolDict> CJBig2_SymbolDict::DeepCopy() const { |
19 CJBig2_SymbolDict* src = this; | 20 nonstd::unique_ptr<CJBig2_SymbolDict> dst; |
20 if (src->m_bContextRetained || src->m_gbContext || src->m_grContext) { | 21 const CJBig2_SymbolDict* src = this; |
21 return NULL; | 22 if (src->m_bContextRetained || src->m_gbContext || src->m_grContext) |
22 } | 23 return dst; |
23 CJBig2_SymbolDict* dst = new CJBig2_SymbolDict; | 24 |
| 25 dst.reset(new CJBig2_SymbolDict); |
24 dst->SDNUMEXSYMS = src->SDNUMEXSYMS; | 26 dst->SDNUMEXSYMS = src->SDNUMEXSYMS; |
25 dst->SDEXSYMS = FX_Alloc(CJBig2_Image*, src->SDNUMEXSYMS); | 27 dst->SDEXSYMS = FX_Alloc(CJBig2_Image*, src->SDNUMEXSYMS); |
26 for (FX_DWORD i = 0; i < src->SDNUMEXSYMS; i++) { | 28 for (FX_DWORD i = 0; i < src->SDNUMEXSYMS; ++i) { |
27 if (src->SDEXSYMS[i]) { | 29 if (src->SDEXSYMS[i]) { |
28 dst->SDEXSYMS[i] = new CJBig2_Image(*(src->SDEXSYMS[i])); | 30 dst->SDEXSYMS[i] = new CJBig2_Image(*(src->SDEXSYMS[i])); |
29 } else { | 31 } else { |
30 dst->SDEXSYMS[i] = NULL; | 32 dst->SDEXSYMS[i] = NULL; |
31 } | 33 } |
32 } | 34 } |
33 return dst; | 35 return dst; |
34 } | 36 } |
35 | 37 |
36 CJBig2_SymbolDict::~CJBig2_SymbolDict() { | 38 CJBig2_SymbolDict::~CJBig2_SymbolDict() { |
37 if (SDEXSYMS) { | 39 if (SDEXSYMS) { |
38 for (FX_DWORD i = 0; i < SDNUMEXSYMS; i++) { | 40 for (FX_DWORD i = 0; i < SDNUMEXSYMS; i++) { |
39 delete SDEXSYMS[i]; | 41 delete SDEXSYMS[i]; |
40 } | 42 } |
41 FX_Free(SDEXSYMS); | 43 FX_Free(SDEXSYMS); |
42 } | 44 } |
43 if (m_bContextRetained) { | 45 if (m_bContextRetained) { |
44 FX_Free(m_gbContext); | 46 FX_Free(m_gbContext); |
45 FX_Free(m_grContext); | 47 FX_Free(m_grContext); |
46 } | 48 } |
47 } | 49 } |
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