core/ difference with XFA (for information only).

core/src/fxcodec/codec/fx_codec.cpp

 // 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
 
 #include "../../../include/fxcodec/fx_codec.h"
 
 #include <cmath>
 
 #include "../../../../third_party/base/logging.h"
 #include "../../../include/fxcrt/fx_safe_types.h"
 #include "codec_int.h"
 
 CCodec_ModuleMgr::CCodec_ModuleMgr()
     : m_pBasicModule(new CCodec_BasicModule),
       m_pFaxModule(new CCodec_FaxModule),
       m_pJpegModule(new CCodec_JpegModule),
       m_pJpxModule(new CCodec_JpxModule),
       m_pJbig2Module(new CCodec_Jbig2Module),
       m_pIccModule(new CCodec_IccModule),
+#ifndef PDF_ENABLE_XFA
       m_pFlateModule(new CCodec_FlateModule) {}
+#else
+      m_pFlateModule(new CCodec_FlateModule),
+      m_pPngModule(new CCodec_PngModule),
+      m_pGifModule(new CCodec_GifModule),
+      m_pBmpModule(new CCodec_BmpModule),
+      m_pTiffModule(new CCodec_TiffModule) {}
+#endif
 
 CCodec_ScanlineDecoder::ImageDataCache::ImageDataCache(int width,
                                                        int height,
                                                        int pitch)
     : m_Width(width), m_Height(height), m_Pitch(pitch), m_nCachedLines(0) {
 }
 
 CCodec_ScanlineDecoder::ImageDataCache::~ImageDataCache() {
 }
 
@@ skipping 213 matching lines @@
     }
   }
   return is_negative ? -ret : ret;
 }
 FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf,
                                       FX_DWORD src_size,
                                       uint8_t*& dest_buf,
                                       FX_DWORD& dest_size) {
   return FALSE;
 }
+#ifdef PDF_ENABLE_XFA
+CFX_DIBAttribute::CFX_DIBAttribute()
+    : m_nXDPI(-1),
+      m_nYDPI(-1),
+      m_fAspectRatio(-1.0f),
+      m_wDPIUnit(0),
+      m_nGifLeft(0),
+      m_nGifTop(0),
+      m_pGifLocalPalette(nullptr),
+      m_nGifLocalPalNum(0),
+      m_nBmpCompressType(0) {
+  FXSYS_memset(m_strTime, 0, sizeof(m_strTime));
+}
+CFX_DIBAttribute::~CFX_DIBAttribute() {
+  for (const auto& pair : m_Exif)
+    FX_Free(pair.second);
+}
+
+#endif
 class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder {
  public:
   CCodec_RLScanlineDecoder();
   ~CCodec_RLScanlineDecoder() override;
 
   FX_BOOL Create(const uint8_t* src_buf,
                  FX_DWORD src_size,
                  int width,
                  int height,
                  int nComps,
@@ skipping 173 matching lines @@
     int nComps,
     int bpc) {
   CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder;
   if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps,
                                   bpc)) {
     delete pRLScanlineDecoder;
     return NULL;
   }
   return pRLScanlineDecoder;
 }