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      1 // Copyright 2014 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "JBig2_Segment.h"
      8 CJBig2_Segment::CJBig2_Segment()
      9 {
     10     init();
     11 }
     12 CJBig2_Segment::~CJBig2_Segment()
     13 {
     14     clean();
     15 }
     16 void CJBig2_Segment::init()
     17 {
     18     m_dwNumber = 0;
     19     m_cFlags.c = 0;
     20     m_nReferred_to_segment_count = 0;
     21     m_pReferred_to_segment_numbers = NULL;
     22     m_dwPage_association = 0;
     23     m_dwData_length = 0;
     24     m_dwHeader_Length = 0;
     25     m_pData = NULL;
     26     m_State = JBIG2_SEGMENT_HEADER_UNPARSED;
     27     m_nResultType = JBIG2_VOID_POINTER;
     28     m_Result.vd = NULL;
     29 }
     30 void CJBig2_Segment::clean()
     31 {
     32     if(m_pReferred_to_segment_numbers) {
     33         m_pModule->JBig2_Free(m_pReferred_to_segment_numbers);
     34     }
     35     if(m_Result.vd) {
     36         switch(m_nResultType) {
     37             case JBIG2_IMAGE_POINTER:
     38                 delete m_Result.im;
     39                 break;
     40             case JBIG2_SYMBOL_DICT_POINTER:
     41                 delete m_Result.sd;
     42                 break;
     43             case JBIG2_PATTERN_DICT_POINTER:
     44                 delete m_Result.pd;
     45                 break;
     46             case JBIG2_HUFFMAN_TABLE_POINTER:
     47                 delete m_Result.ht;
     48                 break;
     49             default:
     50                 m_pModule->JBig2_Free(m_Result.vd);
     51         }
     52     }
     53 }
     54