Return unique_ptr<>s from fxcodec/

core/fpdfapi/parser/fpdf_parser_decode.h

 // 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 <memory>
+
 #include "core/fxcrt/fx_basic.h"
 
+class CCodec_ScanlineDecoder;
 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, bool bHex = false);
 CFX_WideString PDF_DecodeText(const uint8_t* pData, uint32_t size);
@@ skipping 16 matching lines @@
 
 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);
 
+std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFaxDecoder(
+    const uint8_t* src_buf,
+    uint32_t src_size,
+    int width,
+    int height,
+    const CPDF_Dictionary* pParams);
+
+std::unique_ptr<CCodec_ScanlineDecoder> FPDFAPI_CreateFlateDecoder(
+    const uint8_t* src_buf,
+    uint32_t src_size,
+    int width,
+    int height,
+    int nComps,
+    int bpc,
+    const CPDF_Dictionary* pParams);
+
 // 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(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);
 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,
                     bool bImageAcc);
 
 #endif  // CORE_FPDFAPI_PARSER_FPDF_PARSER_DECODE_H_