core/ difference with XFA (for information only).

core/include/fxcodec/fx_codec_provider.h

 // 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_INCLUDE_FXCODEC_FX_CODEC_PROVIDER_H_
 #define CORE_INCLUDE_FXCODEC_FX_CODEC_PROVIDER_H_
 
 #include "../fxcrt/fx_system.h"
 
+#ifdef PDF_ENABLE_XFA
+class CFX_DIBAttribute;
+
+#endif
 class IFX_JpegProvider {
  public:
   virtual void Release() = 0;
 
   virtual void* CreateDecoder(const uint8_t* src_buf,
                               FX_DWORD src_size,
                               int width,
                               int height,
                               int nComps,
                               FX_BOOL ColorTransform) = 0;
@@ skipping 29 matching lines @@
 
   virtual void Finish(void* pContext) = 0;
 
   virtual void Input(void* pContext,
                      const uint8_t* src_buf,
                      FX_DWORD src_size) = 0;
 
   virtual int ReadHeader(void* pContext,
                          int* width,
                          int* height,
+#ifndef PDF_ENABLE_XFA
                          int* nComps) = 0;
+#else
+                         int* nComps,
+                         CFX_DIBAttribute* pAttribute = NULL) = 0;

[Lei Zhang, 2015/10/30 06:15:30]

dislike

+#endif
 
   virtual int StartScanline(void* pContext, int down_scale) = 0;
 
   virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) = 0;
 
   virtual FX_DWORD GetAvailInput(void* pContext,
                                  uint8_t** avail_buf_ptr = NULL) = 0;
 
  protected:
   ~IFX_JpegProvider() {}
 };
 
 #endif  // CORE_INCLUDE_FXCODEC_FX_CODEC_PROVIDER_H_