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Diffstat (limited to 'core/fpdfapi/parser/fpdf_parser_decode.h')
| -rw-r--r-- | core/fpdfapi/parser/fpdf_parser_decode.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/fpdf_parser_decode.h b/core/fpdfapi/parser/fpdf_parser_decode.h new file mode 100644 index 0000000000..3a5d532831 --- /dev/null +++ b/core/fpdfapi/parser/fpdf_parser_decode.h @@ -0,0 +1,77 @@ +// Copyright 2016 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_FPDFAPI_PARSER_FPDF_PARSER_DECODE_H_ +#define CORE_FPDFAPI_PARSER_FPDF_PARSER_DECODE_H_ + +#include "core/fxcrt/fx_basic.h" + +class CPDF_Dictionary; + +// Indexed by 8-bit char code, contains unicode code points. +extern const uint16_t PDFDocEncoding[256]; + +CFX_ByteString PDF_NameDecode(const CFX_ByteStringC& orig); +CFX_ByteString PDF_NameDecode(const CFX_ByteString& orig); +CFX_ByteString PDF_NameEncode(const CFX_ByteString& orig); +CFX_ByteString PDF_EncodeString(const CFX_ByteString& src, + FX_BOOL bHex = FALSE); +CFX_WideString PDF_DecodeText(const uint8_t* pData, uint32_t size); +CFX_WideString PDF_DecodeText(const CFX_ByteString& bstr); +CFX_ByteString PDF_EncodeText(const FX_WCHAR* pString, int len = -1); +CFX_ByteString PDF_EncodeText(const CFX_WideString& str); + +bool FlateEncode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t** dest_buf, + uint32_t* dest_size); + +// This used to have more parameters like the predictor and bpc, but there was +// only one caller, so the interface has been simplified, the values are hard +// coded, and dead code has been removed. +bool PngEncode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t** dest_buf, + uint32_t* dest_size); + +uint32_t FlateDecode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size); +uint32_t RunLengthDecode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size); + +// Public for testing. +uint32_t A85Decode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size); +// Public for testing. +uint32_t HexDecode(const uint8_t* src_buf, + uint32_t src_size, + uint8_t*& dest_buf, + uint32_t& dest_size); +// Public for testing. +uint32_t FPDFAPI_FlateOrLZWDecode(FX_BOOL bLZW, + const uint8_t* src_buf, + uint32_t src_size, + CPDF_Dictionary* pParams, + uint32_t estimated_size, + uint8_t*& dest_buf, + uint32_t& dest_size); +FX_BOOL PDF_DataDecode(const uint8_t* src_buf, + uint32_t src_size, + const CPDF_Dictionary* pDict, + uint8_t*& dest_buf, + uint32_t& dest_size, + CFX_ByteString& ImageEncoding, + CPDF_Dictionary*& pImageParms, + uint32_t estimated_size, + FX_BOOL bImageAcc); + +#endif // CORE_FPDFAPI_PARSER_FPDF_PARSER_DECODE_H_ |