| // 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 |
| |
| #ifndef CORE_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ |
| #define CORE_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcodec/jbig2/JBig2_Define.h" |
| #include "core/fxcodec/jbig2/JBig2_HuffmanTable.h" |
| #include "core/fxcodec/jbig2/JBig2_PatternDict.h" |
| #include "core/fxcodec/jbig2/JBig2_SymbolDict.h" |
| |
| enum JBig2_SegmentState { |
| JBIG2_SEGMENT_HEADER_UNPARSED, |
| JBIG2_SEGMENT_DATA_UNPARSED, |
| JBIG2_SEGMENT_PARSE_COMPLETE, |
| JBIG2_SEGMENT_PAUSED, |
| JBIG2_SEGMENT_ERROR |
| }; |
| |
| enum JBig2_ResultType { |
| JBIG2_VOID_POINTER = 0, |
| JBIG2_IMAGE_POINTER, |
| JBIG2_SYMBOL_DICT_POINTER, |
| JBIG2_PATTERN_DICT_POINTER, |
| JBIG2_HUFFMAN_TABLE_POINTER |
| }; |
| |
| class CJBig2_Segment { |
| public: |
| CJBig2_Segment(); |
| ~CJBig2_Segment(); |
| |
| uint32_t m_dwNumber = 0; |
| union { |
| struct { |
| uint8_t type : 6; |
| uint8_t page_association_size : 1; |
| uint8_t deferred_non_retain : 1; |
| } s; |
| uint8_t c = 0; |
| } m_cFlags; |
| int32_t m_nReferred_to_segment_count = 0; |
| std::vector<uint32_t> m_Referred_to_segment_numbers; |
| uint32_t m_dwPage_association = 0; |
| uint32_t m_dwData_length = 0; |
| uint32_t m_dwHeader_Length = 0; |
| uint32_t m_dwDataOffset = 0; |
| uint64_t m_Key = 0; |
| JBig2_SegmentState m_State = JBIG2_SEGMENT_HEADER_UNPARSED; |
| JBig2_ResultType m_nResultType = JBIG2_VOID_POINTER; |
| std::unique_ptr<CJBig2_SymbolDict> m_SymbolDict; |
| std::unique_ptr<CJBig2_PatternDict> m_PatternDict; |
| std::unique_ptr<CJBig2_Image> m_Image; |
| std::unique_ptr<CJBig2_HuffmanTable> m_HuffmanTable; |
| }; |
| |
| #endif // CORE_FXCODEC_JBIG2_JBIG2_SEGMENT_H_ |