| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "JBig2_SymbolDict.h" |
| CJBig2_SymbolDict::CJBig2_SymbolDict() |
| { |
| SDNUMEXSYMS = 0; |
| SDEXSYMS = NULL; |
| m_bContextRetained = FALSE; |
| m_gbContext = m_grContext = NULL; |
| } |
| |
| CJBig2_SymbolDict *CJBig2_SymbolDict::DeepCopy() |
| { |
| CJBig2_SymbolDict *dst = NULL; |
| CJBig2_SymbolDict *src = this; |
| if (src->m_bContextRetained || |
| src->m_gbContext || |
| src->m_grContext) { |
| return NULL; |
| } |
| JBIG2_ALLOC(dst, CJBig2_SymbolDict()); |
| dst->SDNUMEXSYMS = src->SDNUMEXSYMS; |
| dst->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2( |
| sizeof(CJBig2_Image*), src->SDNUMEXSYMS); |
| for(FX_DWORD i = 0; i < src->SDNUMEXSYMS; i++) { |
| if (src->SDEXSYMS[i]) { |
| JBIG2_ALLOC(dst->SDEXSYMS[i], |
| CJBig2_Image(*(src->SDEXSYMS[i]))); |
| } else { |
| dst->SDEXSYMS[i] = NULL; |
| } |
| } |
| return dst; |
| } |
| |
| CJBig2_SymbolDict::~CJBig2_SymbolDict() |
| { |
| if(SDEXSYMS) { |
| for(FX_DWORD i = 0; i < SDNUMEXSYMS; i++) { |
| if(SDEXSYMS[i]) { |
| delete SDEXSYMS[i]; |
| } |
| } |
| m_pModule->JBig2_Free(SDEXSYMS); |
| } |
| if(m_bContextRetained) { |
| if(m_gbContext) { |
| m_pModule->JBig2_Free(m_gbContext); |
| } |
| if(m_grContext) { |
| m_pModule->JBig2_Free(m_grContext); |
| } |
| } |
| } |