| // 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" |
| |
| #include "../../../include/fxcrt/fx_memory.h" |
| #include "JBig2_Image.h" |
| |
| CJBig2_SymbolDict::CJBig2_SymbolDict() { |
| SDNUMEXSYMS = 0; |
| SDEXSYMS = NULL; |
| m_bContextRetained = FALSE; |
| m_gbContext = m_grContext = NULL; |
| } |
| |
| nonstd::unique_ptr<CJBig2_SymbolDict> CJBig2_SymbolDict::DeepCopy() const { |
| nonstd::unique_ptr<CJBig2_SymbolDict> dst; |
| const CJBig2_SymbolDict* src = this; |
| if (src->m_bContextRetained || src->m_gbContext || src->m_grContext) |
| return dst; |
| |
| dst.reset(new CJBig2_SymbolDict); |
| dst->SDNUMEXSYMS = src->SDNUMEXSYMS; |
| dst->SDEXSYMS = FX_Alloc(CJBig2_Image*, src->SDNUMEXSYMS); |
| for (FX_DWORD i = 0; i < src->SDNUMEXSYMS; ++i) { |
| if (src->SDEXSYMS[i]) { |
| dst->SDEXSYMS[i] = new 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++) { |
| delete SDEXSYMS[i]; |
| } |
| FX_Free(SDEXSYMS); |
| } |
| if (m_bContextRetained) { |
| FX_Free(m_gbContext); |
| FX_Free(m_grContext); |
| } |
| } |