Remove CJBig2_Object, CJBig2_Module, and friends.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1326953006 .

20 files changed, 247 insertions, 521 deletions

diff --git a/core/src/fxcodec/codec/codec_int.h b/core/src/fxcodec/codec/codec_int.h
index 7dafd27c15..125f36c9eb 100644
--- a/core/src/fxcodec/codec/codec_int.h
+++ b/core/src/fxcodec/codec/codec_int.h
@@ -264,33 +264,6 @@ class CCodec_JpxModule : public ICodec_JpxModule {
   void DestroyDecoder(CJPX_Decoder* pDecoder) override;
 };
 
-class CPDF_Jbig2Interface : public CJBig2_Module {
- public:
-  virtual void* JBig2_Malloc(FX_DWORD dwSize) {
-    return FX_Alloc(uint8_t, dwSize);
-  }
-  virtual void* JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) {
-    if (dwSize && num >= UINT_MAX / dwSize) {
-      return NULL;
-    }
-    return FX_Alloc(uint8_t, num * dwSize);
-  }
-  virtual void* JBig2_Malloc3(FX_DWORD num, FX_DWORD dwSize, FX_DWORD dwSize2) {
-    if (dwSize2 && dwSize >= UINT_MAX / dwSize2) {
-      return NULL;
-    }
-    FX_DWORD size = dwSize2 * dwSize;
-    if (size && num >= UINT_MAX / size) {
-      return NULL;
-    }
-    return FX_Alloc(uint8_t, num * size);
-  }
-  virtual void* JBig2_Realloc(void* pMem, FX_DWORD dwSize) {
-    return FX_Realloc(uint8_t, pMem, dwSize);
-  }
-  virtual void JBig2_Free(void* pMem) { FX_Free(pMem); }
-};
-
 class CCodec_Jbig2Context {
  public:
   CCodec_Jbig2Context();
@@ -331,7 +304,6 @@ class CCodec_Jbig2Module : public ICodec_Jbig2Module {
   void DestroyJbig2Context(void* pJbig2Context) override;
 
  private:
-  CPDF_Jbig2Interface m_Module;
   std::list<CJBig2_CachePair> m_SymbolDictCache;
 };
 
diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp
index 63a45c7aea..394e22b013 100644
--- a/core/src/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/src/fxcodec/codec/fx_codec_fax.cpp
@@ -590,8 +590,7 @@ FX_DWORD CCodec_FaxDecoder::GetSrcOffset() {
   return ret;
 }
 extern "C" {
-void _FaxG4Decode(void*,
-                  const uint8_t* src_buf,
+void _FaxG4Decode(const uint8_t* src_buf,
                   FX_DWORD src_size,
                   int* pbitpos,
                   uint8_t* dest_buf,
diff --git a/core/src/fxcodec/codec/fx_codec_jbig.cpp b/core/src/fxcodec/codec/fx_codec_jbig.cpp
index b95461b3e5..9361604b9d 100644
--- a/core/src/fxcodec/codec/fx_codec_jbig.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jbig.cpp
@@ -48,8 +48,8 @@ FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context,
   m_pJbig2Context->m_bFileReader = FALSE;
   FXSYS_memset(dest_buf, 0, height * dest_pitch);
   m_pJbig2Context->m_pContext = CJBig2_Context::CreateContext(
-      &m_Module, (uint8_t*)global_data, global_size, (uint8_t*)src_buf,
-      src_size, JBIG2_EMBED_STREAM, &m_SymbolDictCache, pPause);
+      global_data, global_size, src_buf, src_size, JBIG2_EMBED_STREAM,
+      &m_SymbolDictCache, pPause);
   if (!m_pJbig2Context->m_pContext) {
     return FXCODEC_STATUS_ERROR;
   }
diff --git a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
index 4bcaa1b8a5..ca8e181da7 100644
--- a/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
+++ b/core/src/fxcodec/jbig2/JBig2_ArithIntDecoder.h
@@ -6,8 +6,9 @@
 
 #ifndef _JBIG2_ARITH_INT_DECODER_H_
 #define _JBIG2_ARITH_INT_DECODER_H_
-#include "JBig2_Module.h"
+
 #include "JBig2_ArithDecoder.h"
+
 class CJBig2_ArithIntDecoder {
  public:
   CJBig2_ArithIntDecoder();
diff --git a/core/src/fxcodec/jbig2/JBig2_BitStream.h b/core/src/fxcodec/jbig2/JBig2_BitStream.h
index 78a9dfe677..85c992f4ff 100644
--- a/core/src/fxcodec/jbig2/JBig2_BitStream.h
+++ b/core/src/fxcodec/jbig2/JBig2_BitStream.h
@@ -11,7 +11,7 @@
 
 class CJBig2_BitStream {
  public:
-  CJBig2_BitStream(uint8_t* pBuffer, FX_DWORD dwLength);
+  CJBig2_BitStream(const uint8_t* pBuffer, FX_DWORD dwLength);
 
   CJBig2_BitStream(CJBig2_BitStream& bs);
 
@@ -55,18 +55,18 @@ class CJBig2_BitStream {
 
   void setBitPos(FX_DWORD dwBitPos);
 
-  uint8_t* getBuf();
+  const uint8_t* getBuf();
 
   FX_DWORD getLength() { return m_dwLength; }
 
-  uint8_t* getPointer();
+  const uint8_t* getPointer();
 
   void offset(FX_DWORD dwOffset);
 
   FX_DWORD getByteLeft();
 
  private:
-  uint8_t* m_pBuf;
+  const uint8_t* m_pBuf;
 
   FX_DWORD m_dwLength;
 
@@ -74,7 +74,8 @@ class CJBig2_BitStream {
 
   FX_DWORD m_dwBitIdx;
 };
-inline CJBig2_BitStream::CJBig2_BitStream(uint8_t* pBuffer, FX_DWORD dwLength) {
+inline CJBig2_BitStream::CJBig2_BitStream(const uint8_t* pBuffer,
+                                          FX_DWORD dwLength) {
   m_pBuf = pBuffer;
   m_dwLength = dwLength;
   m_dwByteIdx = 0;
@@ -274,10 +275,10 @@ inline void CJBig2_BitStream::setBitPos(FX_DWORD dwBitPos) {
   m_dwByteIdx = dwBitPos >> 3;
   m_dwBitIdx = dwBitPos & 7;
 }
-inline uint8_t* CJBig2_BitStream::getBuf() {
+inline const uint8_t* CJBig2_BitStream::getBuf() {
   return m_pBuf;
 }
-inline uint8_t* CJBig2_BitStream::getPointer() {
+inline const uint8_t* CJBig2_BitStream::getPointer() {
   return m_pBuf + m_dwByteIdx;
 }
 inline void CJBig2_BitStream::offset(FX_DWORD dwOffset) {
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.cpp b/core/src/fxcodec/jbig2/JBig2_Context.cpp
index 142611dff5..f045dbb20d 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_Context.cpp
@@ -17,32 +17,30 @@
 const int kSymbolDictCacheMaxSize = 2;
 
 CJBig2_Context* CJBig2_Context::CreateContext(
-    CJBig2_Module* pModule,
-    uint8_t* pGlobalData,
+    const uint8_t* pGlobalData,
     FX_DWORD dwGlobalLength,
-    uint8_t* pData,
+    const uint8_t* pData,
     FX_DWORD dwLength,
     int32_t nStreamType,
     std::list<CJBig2_CachePair>* pSymbolDictCache,
     IFX_Pause* pPause) {
-  return new (pModule)
-      CJBig2_Context(pGlobalData, dwGlobalLength, pData, dwLength, nStreamType,
-                     pSymbolDictCache, pPause);
+  return new CJBig2_Context(pGlobalData, dwGlobalLength, pData, dwLength,
+                            nStreamType, pSymbolDictCache, pPause);
 }
 void CJBig2_Context::DestroyContext(CJBig2_Context* pContext) {
   delete pContext;
 }
-CJBig2_Context::CJBig2_Context(uint8_t* pGlobalData,
+CJBig2_Context::CJBig2_Context(const uint8_t* pGlobalData,
                                FX_DWORD dwGlobalLength,
-                               uint8_t* pData,
+                               const uint8_t* pData,
                                FX_DWORD dwLength,
                                int32_t nStreamType,
                                std::list<CJBig2_CachePair>* pSymbolDictCache,
                                IFX_Pause* pPause) {
   if (pGlobalData && (dwGlobalLength > 0)) {
-    JBIG2_ALLOC(m_pGlobalContext,
-                CJBig2_Context(NULL, 0, pGlobalData, dwGlobalLength,
-                               JBIG2_EMBED_STREAM, pSymbolDictCache, pPause));
+    m_pGlobalContext =
+        new CJBig2_Context(NULL, 0, pGlobalData, dwGlobalLength,
+                           JBIG2_EMBED_STREAM, pSymbolDictCache, pPause);
   } else {
     m_pGlobalContext = NULL;
   }
@@ -66,9 +64,7 @@ CJBig2_Context::~CJBig2_Context() {
   m_pArithDecoder = NULL;
   delete m_pGRD;
   m_pGRD = NULL;
-  if (m_gbContext) {
-    m_pModule->JBig2_Free(m_gbContext);
-  }
+  FX_Free(m_gbContext);
   m_gbContext = NULL;
   delete m_pGlobalContext;
   m_pGlobalContext = NULL;
@@ -219,7 +215,7 @@ int32_t CJBig2_Context::getFirstPage(uint8_t* pBuf,
   m_bFirstPage = TRUE;
   m_PauseStep = 0;
   delete m_pPage;
-  JBIG2_ALLOC(m_pPage, CJBig2_Image(width, height, stride, pBuf));
+  m_pPage = new CJBig2_Image(width, height, stride, pBuf);
   m_bBufSpecified = TRUE;
   if (m_pPage && pPause && pPause->NeedToPauseNow()) {
     m_PauseStep = 1;
@@ -360,8 +356,7 @@ int32_t CJBig2_Context::parseSegmentHeader(CJBig2_Segment* pSegment) {
   cPSize = pSegment->m_cFlags.s.page_association_size ? 4 : 1;
   if (pSegment->m_nReferred_to_segment_count) {
     pSegment->m_pReferred_to_segment_numbers =
-        (FX_DWORD*)m_pModule->JBig2_Malloc2(
-            sizeof(FX_DWORD), pSegment->m_nReferred_to_segment_count);
+        FX_Alloc(FX_DWORD, pSegment->m_nReferred_to_segment_count);
     for (int32_t i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
       switch (cSSize) {
         case 1:
@@ -475,11 +470,11 @@ int32_t CJBig2_Context::ProcessiveParseSegmentData(CJBig2_Segment* pSegment,
       if (!m_bBufSpecified) {
         delete m_pPage;
         if (pPageInfo->m_dwHeight == 0xffffffff) {
-          JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth,
-                                            pPageInfo->m_wMaxStripeSize));
+          m_pPage = new CJBig2_Image(pPageInfo->m_dwWidth,
+                                     pPageInfo->m_wMaxStripeSize);
         } else {
-          JBIG2_ALLOC(m_pPage, CJBig2_Image(pPageInfo->m_dwWidth,
-                                            pPageInfo->m_dwHeight));
+          m_pPage =
+              new CJBig2_Image(pPageInfo->m_dwWidth, pPageInfo->m_dwHeight);
         }
       }
       m_pPage->fill((pPageInfo->m_cFlags & 4) ? 1 : 0);
@@ -523,11 +518,10 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
   CJBig2_Segment *pSeg = NULL, *pLRSeg = NULL;
   FX_BOOL bUsed;
   CJBig2_Image** SDINSYMS = NULL;
-  CJBig2_SDDProc* pSymbolDictDecoder;
   JBig2ArithCtx *gbContext = NULL, *grContext = NULL;
   CJBig2_ArithDecoder* pArithDecoder;
-  JBIG2_ALLOC(pSymbolDictDecoder, CJBig2_SDDProc());
-  uint8_t* key = pSegment->m_pData;
+  CJBig2_SDDProc* pSymbolDictDecoder = new CJBig2_SDDProc();
+  const uint8_t* key = pSegment->m_pData;
   FX_BOOL cache_hit = false;
   if (m_pStream->readShortInteger(&wFlags) != 0) {
     nRet = JBIG2_ERROR_TOO_SHORT;
@@ -590,8 +584,7 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
   if (pSymbolDictDecoder->SDNUMINSYMS == 0) {
     SDINSYMS = NULL;
   } else {
-    SDINSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-        sizeof(CJBig2_Image*), pSymbolDictDecoder->SDNUMINSYMS);
+    SDINSYMS = FX_Alloc(CJBig2_Image*, pSymbolDictDecoder->SDNUMINSYMS);
     dwTemp = 0;
     for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
       pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
@@ -681,15 +674,13 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
       dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0
                    ? 65536
                    : pSymbolDictDecoder->SDTEMPLATE == 1 ? 8192 : 1024;
-      gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(
-          sizeof(JBig2ArithCtx), dwTemp);
+      gbContext = FX_Alloc(JBig2ArithCtx, dwTemp);
       JBIG2_memcpy(gbContext, pLRSeg->m_Result.sd->m_gbContext,
                    sizeof(JBig2ArithCtx) * dwTemp);
     }
     if (pSymbolDictDecoder->SDREFAGG == 1) {
       dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13;
-      grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(
-          sizeof(JBig2ArithCtx), dwTemp);
+      grContext = FX_Alloc(JBig2ArithCtx, dwTemp);
       JBIG2_memcpy(grContext, pLRSeg->m_Result.sd->m_grContext,
                    sizeof(JBig2ArithCtx) * dwTemp);
     }
@@ -698,14 +689,12 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
       dwTemp = pSymbolDictDecoder->SDTEMPLATE == 0
                    ? 65536
                    : pSymbolDictDecoder->SDTEMPLATE == 1 ? 8192 : 1024;
-      gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(
-          sizeof(JBig2ArithCtx), dwTemp);
+      gbContext = FX_Alloc(JBig2ArithCtx, dwTemp);
       JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
     }
     if (pSymbolDictDecoder->SDREFAGG == 1) {
       dwTemp = pSymbolDictDecoder->SDRTEMPLATE ? 1 << 10 : 1 << 13;
-      grContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(
-          sizeof(JBig2ArithCtx), dwTemp);
+      grContext = FX_Alloc(JBig2ArithCtx, dwTemp);
       JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
     }
   }
@@ -763,39 +752,27 @@ int32_t CJBig2_Context::parseSymbolDict(CJBig2_Segment* pSegment,
     bUsed = FALSE;
   }
   delete pSymbolDictDecoder;
-  if (SDINSYMS) {
-    m_pModule->JBig2_Free(SDINSYMS);
-  }
+  FX_Free(SDINSYMS);
   delete Table_B1;
   delete Table_B2;
   delete Table_B3;
   delete Table_B4;
   delete Table_B5;
   if (bUsed == FALSE) {
-    if (gbContext) {
-      m_pModule->JBig2_Free(gbContext);
-    }
-    if (grContext) {
-      m_pModule->JBig2_Free(grContext);
-    }
+    FX_Free(gbContext);
+    FX_Free(grContext);
   }
   return JBIG2_SUCCESS;
 failed:
   delete pSymbolDictDecoder;
-  if (SDINSYMS) {
-    m_pModule->JBig2_Free(SDINSYMS);
-  }
+  FX_Free(SDINSYMS);
   delete Table_B1;
   delete Table_B2;
   delete Table_B3;
   delete Table_B4;
   delete Table_B5;
-  if (gbContext) {
-    m_pModule->JBig2_Free(gbContext);
-  }
-  if (grContext) {
-    m_pModule->JBig2_Free(grContext);
-  }
+  FX_Free(gbContext);
+  FX_Free(grContext);
   return nRet;
 }
 
@@ -815,8 +792,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
                       *Table_B14 = NULL, *Table_B15 = NULL;
   JBig2ArithCtx* grContext = NULL;
   CJBig2_ArithDecoder* pArithDecoder;
-  CJBig2_TRDProc* pTRD;
-  JBIG2_ALLOC(pTRD, CJBig2_TRDProc());
+  CJBig2_TRDProc* pTRD = new CJBig2_TRDProc();
   if ((parseRegionInfo(&ri) != JBIG2_SUCCESS) ||
       (m_pStream->readShortInteger(&wFlags) != 0)) {
     nRet = JBIG2_ERROR_TOO_SHORT;
@@ -877,8 +853,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
     }
   }
   if (pTRD->SBNUMSYMS > 0) {
-    SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*),
-                                                      pTRD->SBNUMSYMS);
+    SBSYMS = FX_Alloc(CJBig2_Image*, pTRD->SBNUMSYMS);
     dwTemp = 0;
     for (i = 0; i < pSegment->m_nReferred_to_segment_count; i++) {
       pSeg = findSegmentByNumber(pSegment->m_pReferred_to_segment_numbers[i]);
@@ -1078,8 +1053,7 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
   }
   if (pTRD->SBREFINE == 1) {
     dwTemp = pTRD->SBRTEMPLATE ? 1 << 10 : 1 << 13;
-    grContext =
-        (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
+    grContext = FX_Alloc(JBig2ArithCtx, dwTemp);
     JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
   }
   if (pTRD->SBHUFF == 0) {
@@ -1116,15 +1090,9 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
     pSegment->m_Result.im = NULL;
   }
   delete pTRD;
-  if (SBSYMS) {
-    m_pModule->JBig2_Free(SBSYMS);
-  }
-  if (SBSYMCODES) {
-    m_pModule->JBig2_Free(SBSYMCODES);
-  }
-  if (grContext) {
-    m_pModule->JBig2_Free(grContext);
-  }
+  FX_Free(SBSYMS);
+  FX_Free(SBSYMCODES);
+  FX_Free(grContext);
   delete Table_B1;
   delete Table_B6;
   delete Table_B7;
@@ -1139,15 +1107,9 @@ int32_t CJBig2_Context::parseTextRegion(CJBig2_Segment* pSegment) {
   return JBIG2_SUCCESS;
 failed:
   delete pTRD;
-  if (SBSYMS) {
-    m_pModule->JBig2_Free(SBSYMS);
-  }
-  if (SBSYMCODES) {
-    m_pModule->JBig2_Free(SBSYMCODES);
-  }
-  if (grContext) {
-    m_pModule->JBig2_Free(grContext);
-  }
+  FX_Free(SBSYMS);
+  FX_Free(SBSYMCODES);
+  FX_Free(grContext);
   delete Table_B1;
   delete Table_B6;
   delete Table_B7;
@@ -1168,9 +1130,8 @@ int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
   uint8_t cFlags;
   JBig2ArithCtx* gbContext;
   CJBig2_ArithDecoder* pArithDecoder;
-  CJBig2_PDDProc* pPDD;
   int32_t nRet;
-  JBIG2_ALLOC(pPDD, CJBig2_PDDProc());
+  CJBig2_PDDProc* pPDD = new CJBig2_PDDProc();
   if ((m_pStream->read1Byte(&cFlags) != 0) ||
       (m_pStream->read1Byte(&pPDD->HDPW) != 0) ||
       (m_pStream->read1Byte(&pPDD->HDPH) != 0) ||
@@ -1188,19 +1149,18 @@ int32_t CJBig2_Context::parsePatternDict(CJBig2_Segment* pSegment,
   if (pPDD->HDMMR == 0) {
     dwTemp =
         pPDD->HDTEMPLATE == 0 ? 65536 : pPDD->HDTEMPLATE == 1 ? 8192 : 1024;
-    gbContext =
-        (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
+    gbContext = FX_Alloc(JBig2ArithCtx, dwTemp);
     JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
     pArithDecoder = new CJBig2_ArithDecoder(m_pStream);
     pSegment->m_Result.pd =
         pPDD->decode_Arith(pArithDecoder, gbContext, pPause);
     delete pArithDecoder;
     if (pSegment->m_Result.pd == NULL) {
-      m_pModule->JBig2_Free(gbContext);
+      FX_Free(gbContext);
       nRet = JBIG2_ERROR_FATAL;
       goto failed;
     }
-    m_pModule->JBig2_Free(gbContext);
+    FX_Free(gbContext);
     m_pStream->alignByte();
     m_pStream->offset(2);
   } else {
@@ -1226,9 +1186,8 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
   CJBig2_PatternDict* pPatternDict;
   JBig2ArithCtx* gbContext;
   CJBig2_ArithDecoder* pArithDecoder;
-  CJBig2_HTRDProc* pHRD;
   int32_t nRet;
-  JBIG2_ALLOC(pHRD, CJBig2_HTRDProc());
+  CJBig2_HTRDProc* pHRD = new CJBig2_HTRDProc();
   if ((parseRegionInfo(&ri) != JBIG2_SUCCESS) ||
       (m_pStream->read1Byte(&cFlags) != 0) ||
       (m_pStream->readInteger(&pHRD->HGW) != 0) ||
@@ -1268,19 +1227,18 @@ int32_t CJBig2_Context::parseHalftoneRegion(CJBig2_Segment* pSegment,
   pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
   if (pHRD->HMMR == 0) {
     dwTemp = pHRD->HTEMPLATE == 0 ? 65536 : pHRD->HTEMPLATE == 1 ? 8192 : 1024;
-    gbContext =
-        (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
+    gbContext = FX_Alloc(JBig2ArithCtx, dwTemp);
     JBIG2_memset(gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
     pArithDecoder = new CJBig2_ArithDecoder(m_pStream);
     pSegment->m_Result.im =
         pHRD->decode_Arith(pArithDecoder, gbContext, pPause);
     delete pArithDecoder;
     if (pSegment->m_Result.im == NULL) {
-      m_pModule->JBig2_Free(gbContext);
+      FX_Free(gbContext);
       nRet = JBIG2_ERROR_FATAL;
       goto failed;
     }
-    m_pModule->JBig2_Free(gbContext);
+    FX_Free(gbContext);
     m_pStream->alignByte();
     m_pStream->offset(2);
   } else {
@@ -1317,7 +1275,7 @@ int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
   uint8_t cFlags;
   int32_t i, nRet;
   if (m_pGRD == NULL) {
-    JBIG2_ALLOC(m_pGRD, CJBig2_GRDProc());
+    m_pGRD = new CJBig2_GRDProc();
     if ((parseRegionInfo(&m_ri) != JBIG2_SUCCESS) ||
         (m_pStream->read1Byte(&cFlags) != 0)) {
       nRet = JBIG2_ERROR_TOO_SHORT;
@@ -1356,8 +1314,7 @@ int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
     dwTemp =
         m_pGRD->GBTEMPLATE == 0 ? 65536 : m_pGRD->GBTEMPLATE == 1 ? 8192 : 1024;
     if (m_gbContext == NULL) {
-      m_gbContext = (JBig2ArithCtx*)m_pModule->JBig2_Malloc(
-          sizeof(JBig2ArithCtx) * dwTemp);
+      m_gbContext = FX_Alloc(JBig2ArithCtx, dwTemp);
       JBIG2_memset(m_gbContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
     }
     if (m_pArithDecoder == NULL) {
@@ -1387,13 +1344,13 @@ int32_t CJBig2_Context::parseGenericRegion(CJBig2_Segment* pSegment,
       delete m_pArithDecoder;
       m_pArithDecoder = NULL;
       if (pSegment->m_Result.im == NULL) {
-        m_pModule->JBig2_Free(m_gbContext);
+        FX_Free(m_gbContext);
         nRet = JBIG2_ERROR_FATAL;
         m_gbContext = NULL;
         m_ProcessiveStatus = FXCODEC_STATUS_ERROR;
         goto failed;
       }
-      m_pModule->JBig2_Free(m_gbContext);
+      FX_Free(m_gbContext);
       m_gbContext = NULL;
       m_pStream->alignByte();
       m_pStream->offset(2);
@@ -1442,9 +1399,8 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
   int32_t i, nRet;
   uint8_t cFlags;
   JBig2ArithCtx* grContext;
-  CJBig2_GRRDProc* pGRRD;
   CJBig2_ArithDecoder* pArithDecoder;
-  JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
+  CJBig2_GRRDProc* pGRRD = new CJBig2_GRRDProc();
   if ((parseRegionInfo(&ri) != JBIG2_SUCCESS) ||
       (m_pStream->read1Byte(&cFlags) != 0)) {
     nRet = JBIG2_ERROR_TOO_SHORT;
@@ -1486,19 +1442,18 @@ int32_t CJBig2_Context::parseGenericRefinementRegion(CJBig2_Segment* pSegment) {
   pGRRD->GRREFERENCEDX = 0;
   pGRRD->GRREFERENCEDY = 0;
   dwTemp = pGRRD->GRTEMPLATE ? 1 << 10 : 1 << 13;
-  grContext =
-      (JBig2ArithCtx*)m_pModule->JBig2_Malloc2(sizeof(JBig2ArithCtx), dwTemp);
+  grContext = FX_Alloc(JBig2ArithCtx, dwTemp);
   JBIG2_memset(grContext, 0, sizeof(JBig2ArithCtx) * dwTemp);
   pArithDecoder = new CJBig2_ArithDecoder(m_pStream);
   pSegment->m_nResultType = JBIG2_IMAGE_POINTER;
   pSegment->m_Result.im = pGRRD->decode(pArithDecoder, grContext);
   delete pArithDecoder;
   if (pSegment->m_Result.im == NULL) {
-    m_pModule->JBig2_Free(grContext);
+    FX_Free(grContext);
     nRet = JBIG2_ERROR_FATAL;
     goto failed;
   }
-  m_pModule->JBig2_Free(grContext);
+  FX_Free(grContext);
   m_pStream->alignByte();
   m_pStream->offset(2);
   if (pSegment->m_cFlags.s.type != 40) {
@@ -1554,8 +1509,7 @@ JBig2HuffmanCode* CJBig2_Context::decodeSymbolIDHuffmanTable(
   int32_t nBits;
   int32_t run;
   FX_DWORD nTemp;
-  SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(
-      sizeof(JBig2HuffmanCode), SBNUMSYMS);
+  SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS);
   for (i = 0; i < 35; i++) {
     if (pStream->readNBits(4, &runcodes_len[i]) != 0) {
       goto failed;
@@ -1620,7 +1574,7 @@ JBig2HuffmanCode* CJBig2_Context::decodeSymbolIDHuffmanTable(
   huffman_assign_code(SBSYMCODES, SBNUMSYMS);
   return SBSYMCODES;
 failed:
-  m_pModule->JBig2_Free(SBSYMCODES);
+  FX_Free(SBSYMCODES);
   return NULL;
 }
 void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) {
@@ -1633,9 +1587,9 @@ void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) {
       LENMAX = PREFLEN[i];
     }
   }
-  LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
+  LENCOUNT = FX_Alloc(int, LENMAX + 1);
   JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1));
-  FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
+  FIRSTCODE = FX_Alloc(int, LENMAX + 1);
   for (i = 0; i < NTEMP; i++) {
     LENCOUNT[PREFLEN[i]]++;
   }
@@ -1655,8 +1609,8 @@ void CJBig2_Context::huffman_assign_code(int* CODES, int* PREFLEN, int NTEMP) {
     }
     CURLEN = CURLEN + 1;
   }
-  m_pModule->JBig2_Free(LENCOUNT);
-  m_pModule->JBig2_Free(FIRSTCODE);
+  FX_Free(LENCOUNT);
+  FX_Free(FIRSTCODE);
 }
 void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode* SBSYMCODES,
                                          int NTEMP) {
@@ -1669,9 +1623,9 @@ void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode* SBSYMCODES,
       LENMAX = SBSYMCODES[i].codelen;
     }
   }
-  LENCOUNT = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
+  LENCOUNT = FX_Alloc(int, (LENMAX + 1));
   JBIG2_memset(LENCOUNT, 0, sizeof(int) * (LENMAX + 1));
-  FIRSTCODE = (int*)m_pModule->JBig2_Malloc2(sizeof(int), (LENMAX + 1));
+  FIRSTCODE = FX_Alloc(int, (LENMAX + 1));
   for (i = 0; i < NTEMP; i++) {
     LENCOUNT[SBSYMCODES[i].codelen]++;
   }
@@ -1691,6 +1645,6 @@ void CJBig2_Context::huffman_assign_code(JBig2HuffmanCode* SBSYMCODES,
     }
     CURLEN = CURLEN + 1;
   }
-  m_pModule->JBig2_Free(LENCOUNT);
-  m_pModule->JBig2_Free(FIRSTCODE);
+  FX_Free(LENCOUNT);
+  FX_Free(FIRSTCODE);
 }
diff --git a/core/src/fxcodec/jbig2/JBig2_Context.h b/core/src/fxcodec/jbig2/JBig2_Context.h
index 0590fd157b..5ae6897bab 100644
--- a/core/src/fxcodec/jbig2/JBig2_Context.h
+++ b/core/src/fxcodec/jbig2/JBig2_Context.h
@@ -14,11 +14,10 @@
 #include "../../../include/fxcodec/fx_codec_def.h"
 #include "JBig2_GeneralDecoder.h"
 #include "JBig2_List.h"
-#include "JBig2_Module.h"
 #include "JBig2_Page.h"
 #include "JBig2_Segment.h"
 
-using CJBig2_CachePair = std::pair<uint8_t*, CJBig2_SymbolDict*>;
+using CJBig2_CachePair = std::pair<const uint8_t*, CJBig2_SymbolDict*>;
 
 #define JBIG2_SUCCESS 0
 #define JBIG2_FAILED -1
@@ -35,13 +34,12 @@ using CJBig2_CachePair = std::pair<uint8_t*, CJBig2_SymbolDict*>;
 #define JBIG2_EMBED_STREAM 3
 #define JBIG2_MIN_SEGMENT_SIZE 11
 
-class CJBig2_Context : public CJBig2_Object {
+class CJBig2_Context {
  public:
   static CJBig2_Context* CreateContext(
-      CJBig2_Module* pModule,
-      uint8_t* pGlobalData,
+      const uint8_t* pGlobalData,
       FX_DWORD dwGlobalLength,
-      uint8_t* pData,
+      const uint8_t* pData,
       FX_DWORD dwLength,
       int32_t nStreamType,
       std::list<CJBig2_CachePair>* pSymbolDictCache,
@@ -66,9 +64,9 @@ class CJBig2_Context : public CJBig2_Object {
     JBIG2_IN_PAGE,
   };
 
-  CJBig2_Context(uint8_t* pGlobalData,
+  CJBig2_Context(const uint8_t* pGlobalData,
                  FX_DWORD dwGlobalLength,
-                 uint8_t* pData,
+                 const uint8_t* pData,
                  FX_DWORD dwLength,
                  int32_t nStreamType,
                  std::list<CJBig2_CachePair>* pSymbolDictCache,
diff --git a/core/src/fxcodec/jbig2/JBig2_Define.h b/core/src/fxcodec/jbig2/JBig2_Define.h
index 3cca6acfd9..50516f5798 100644
--- a/core/src/fxcodec/jbig2/JBig2_Define.h
+++ b/core/src/fxcodec/jbig2/JBig2_Define.h
@@ -6,24 +6,28 @@
 
 #ifndef _JBIG2_DEFINE_H_
 #define _JBIG2_DEFINE_H_
+
 #include "../../../include/fxcrt/fx_system.h"
 #define JBIG2_memset FXSYS_memset
 #define JBIG2_memcmp FXSYS_memcmp
 #define JBIG2_memcpy FXSYS_memcpy
-#include "JBig2_Object.h"
 #define JBIG2_OOB 1
-typedef struct {
-  int32_t width, height;
-  int32_t x, y;
+
+struct JBig2RegionInfo {
+  int32_t width;
+  int32_t height;
+  int32_t x;
+  int32_t y;
   uint8_t flags;
-} JBig2RegionInfo;
-typedef struct {
+};
+
+struct JBig2HuffmanCode {
   int32_t codelen;
   int32_t code;
-} JBig2HuffmanCode;
+};
+
 extern "C" {
-void _FaxG4Decode(void* pModule,
-                  const uint8_t* src_buf,
+void _FaxG4Decode(const uint8_t* src_buf,
                   FX_DWORD src_size,
                   int* pbitpos,
                   uint8_t* dest_buf,
@@ -31,9 +35,11 @@ void _FaxG4Decode(void* pModule,
                   int height,
                   int pitch = 0);
 };
+
 #define JBIG2_MAX_REFERRED_SEGMENT_COUNT 64
 #define JBIG2_MAX_EXPORT_SYSMBOLS 65535
 #define JBIG2_MAX_NEW_SYSMBOLS 65535
 #define JBIG2_MAX_PATTERN_INDEX 65535
 #define JBIG2_MAX_IMAGE_SIZE 65535
+
 #endif
diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
index 5278e45a68..2e558ee7e8 100644
--- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.cpp
@@ -34,9 +34,7 @@ extern const unsigned int JBIG2_QE_NUM = FX_ArraySize(QeTable);
 CJBig2_Image* CJBig2_GRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                                            JBig2ArithCtx* gbContext) {
   if (GBW == 0 || GBH == 0) {
-    CJBig2_Image* pImage;
-    JBIG2_ALLOC(pImage, CJBig2_Image(GBW, GBH));
-    return pImage;
+    return new CJBig2_Image(GBW, GBH);
   }
   if (GBTEMPLATE == 0) {
     if ((GBAT[0] == 3) && (GBAT[1] == (int8_t)-1) && (GBAT[2] == (int8_t)-3) &&
@@ -71,13 +69,12 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_opt3(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2;
   uint8_t *pLine, *pLine1, *pLine2, cVal;
   int32_t nStride, nStride2, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   if (GBREG->m_pData == NULL) {
     delete GBREG;
     return NULL;
@@ -162,10 +159,9 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template0_unopt(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2, line3;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -210,13 +206,12 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_opt3(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2;
   uint8_t *pLine, *pLine1, *pLine2, cVal;
   int32_t nStride, nStride2, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   if (GBREG->m_pData == NULL) {
     delete GBREG;
     return NULL;
@@ -300,10 +295,9 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template1_unopt(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2, line3;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -346,13 +340,12 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_opt3(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2;
   uint8_t *pLine, *pLine1, *pLine2, cVal;
   int32_t nStride, nStride2, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   if (GBREG->m_pData == NULL) {
     delete GBREG;
     return NULL;
@@ -436,10 +429,9 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template2_unopt(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2, line3;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -480,13 +472,12 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_opt3(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1;
   uint8_t *pLine, *pLine1, cVal;
   int32_t nStride, k;
   int32_t nLineBytes, nBitsLeft, cc;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   if (GBREG->m_pData == NULL) {
     delete GBREG;
     return NULL;
@@ -556,10 +547,9 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt(
     JBig2ArithCtx* gbContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GBREG;
   FX_DWORD line1, line2;
   LTP = 0;
-  JBIG2_ALLOC(GBREG, CJBig2_Image(GBW, GBH));
+  CJBig2_Image* GBREG = new CJBig2_Image(GBW, GBH);
   GBREG->fill(0);
   for (FX_DWORD h = 0; h < GBH; h++) {
     if (TPGDON) {
@@ -594,9 +584,7 @@ CJBig2_Image* CJBig2_GRDProc::decode_Arith_Template3_unopt(
 CJBig2_Image* CJBig2_GRRDProc::decode(CJBig2_ArithDecoder* pArithDecoder,
                                       JBig2ArithCtx* grContext) {
   if (GRW == 0 || GRH == 0) {
-    CJBig2_Image* pImage;
-    JBIG2_ALLOC(pImage, CJBig2_Image(GRW, GRH));
-    return pImage;
+    return new CJBig2_Image(GRW, GRH);
   }
   if (GRTEMPLATE == 0) {
     if ((GRAT[0] == (int8_t)-1) && (GRAT[1] == (int8_t)-1) &&
@@ -619,10 +607,9 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template0_unopt(
     JBig2ArithCtx* grContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GRREG;
   FX_DWORD line1, line2, line3, line4, line5;
   LTP = 0;
-  JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
+  CJBig2_Image* GRREG = new CJBig2_Image(GRW, GRH);
   GRREG->fill(0);
   for (FX_DWORD h = 0; h < GRH; h++) {
     if (TPGRON) {
@@ -734,7 +721,6 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt(
     JBig2ArithCtx* grContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GRREG;
   FX_DWORD line1, line1_r, line2_r, line3_r;
   uint8_t *pLine, *pLineR, cVal;
   intptr_t nStride, nStrideR, nOffset;
@@ -744,7 +730,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template0_opt(
   GRW = (int32_t)CJBig2_GRRDProc::GRW;
   GRH = (int32_t)CJBig2_GRRDProc::GRH;
   LTP = 0;
-  JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
+  CJBig2_Image* GRREG = new CJBig2_Image(GRW, GRH);
   if (GRREG->m_pData == NULL) {
     delete GRREG;
     return NULL;
@@ -869,10 +855,9 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template1_unopt(
     JBig2ArithCtx* grContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GRREG;
   FX_DWORD line1, line2, line3, line4, line5;
   LTP = 0;
-  JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
+  CJBig2_Image* GRREG = new CJBig2_Image(GRW, GRH);
   GRREG->fill(0);
   for (FX_DWORD h = 0; h < GRH; h++) {
     if (TPGRON) {
@@ -970,7 +955,6 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt(
     JBig2ArithCtx* grContext) {
   FX_BOOL LTP, SLTP, bVal;
   FX_DWORD CONTEXT;
-  CJBig2_Image* GRREG;
   FX_DWORD line1, line1_r, line2_r, line3_r;
   uint8_t *pLine, *pLineR, cVal;
   intptr_t nStride, nStrideR, nOffset;
@@ -980,7 +964,7 @@ CJBig2_Image* CJBig2_GRRDProc::decode_Template1_opt(
   GRW = (int32_t)CJBig2_GRRDProc::GRW;
   GRH = (int32_t)CJBig2_GRRDProc::GRH;
   LTP = 0;
-  JBIG2_ALLOC(GRREG, CJBig2_Image(GRW, GRH));
+  CJBig2_Image* GRREG = new CJBig2_Image(GRW, GRH);
   if (GRREG->m_pData == NULL) {
     delete GRREG;
     return NULL;
@@ -1110,14 +1094,13 @@ CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
   int32_t RDWI, RDHI, RDXI, RDYI;
   CJBig2_Image* IBOI;
   FX_DWORD WOI, HOI;
-  CJBig2_Image* SBREG;
   FX_BOOL bFirst;
   FX_DWORD nTmp;
   int32_t nVal, nBits;
   CJBig2_GRRDProc* pGRRD;
   CJBig2_ArithDecoder* pArithDecoder;
   CJBig2_HuffmanDecoder* pHuffmanDecoder = new CJBig2_HuffmanDecoder(pStream);
-  JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH));
+  CJBig2_Image* SBREG = new CJBig2_Image(SBW, SBH);
   SBREG->fill(SBDEFPIXEL);
   if (pHuffmanDecoder->decodeAValue(SBHUFFDT, &STRIPT) != 0) {
     goto failed;
@@ -1210,7 +1193,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Huffman(CJBig2_BitStream* pStream,
         if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
           goto failed;
         }
-        JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
+        pGRRD = new CJBig2_GRRDProc();
         pGRRD->GRW = WOI + RDWI;
         pGRRD->GRH = HOI + RDHI;
         pGRRD->GRTEMPLATE = SBRTEMPLATE;
@@ -1352,7 +1335,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
     IAID = new CJBig2_ArithIaidDecoder(SBSYMCODELEN);
     bRetained = FALSE;
   }
-  JBIG2_ALLOC(SBREG, CJBig2_Image(SBW, SBH));
+  SBREG = new CJBig2_Image(SBW, SBH);
   SBREG->fill(SBDEFPIXEL);
   if (IADT->decode(pArithDecoder, &STRIPT) == -1) {
     goto failed;
@@ -1430,7 +1413,7 @@ CJBig2_Image* CJBig2_TRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
         if ((int)(WOI + RDWI) < 0 || (int)(HOI + RDHI) < 0) {
           goto failed;
         }
-        JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
+        pGRRD = new CJBig2_GRRDProc();
         pGRRD->GRW = WOI + RDWI;
         pGRRD->GRH = HOI + RDHI;
         pGRRD->GRTEMPLATE = SBRTEMPLATE;
@@ -1580,8 +1563,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
     nTmp++;
   }
   IAID = new CJBig2_ArithIaidDecoder((uint8_t)nTmp);
-  SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS,
-                                                       sizeof(CJBig2_Image*));
+  SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS);
   FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*));
   HCHEIGHT = 0;
   NSYMSDECODED = 0;
@@ -1618,7 +1600,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
         TOTWIDTH = TOTWIDTH + SYMWIDTH;
       }
       if (SDREFAGG == 0) {
-        JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
+        pGRD = new CJBig2_GRDProc();
         pGRD->MMR = 0;
         pGRD->GBW = SYMWIDTH;
         pGRD->GBH = HCHEIGHT;
@@ -1645,7 +1627,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
         }
         if (REFAGGNINST > 1) {
           CJBig2_TRDProc* pDecoder;
-          JBIG2_ALLOC(pDecoder, CJBig2_TRDProc());
+          pDecoder = new CJBig2_TRDProc();
           pDecoder->SBHUFF = SDHUFF;
           pDecoder->SBREFINE = 1;
           pDecoder->SBW = SYMWIDTH;
@@ -1660,8 +1642,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
           }
           SBSYMCODELEN = (uint8_t)nTmp;
           pDecoder->SBSYMCODELEN = SBSYMCODELEN;
-          SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-              SBNUMSYMS, sizeof(CJBig2_Image*));
+          SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
           JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
           JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
                        NSYMSDECODED * sizeof(CJBig2_Image*));
@@ -1721,7 +1702,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
           ids.IAID = IAID;
           BS = pDecoder->decode_Arith(pArithDecoder, grContext, &ids);
           if (BS == NULL) {
-            m_pModule->JBig2_Free(SBSYMS);
+            FX_Free(SBSYMS);
             delete SBHUFFFS;
             delete SBHUFFDS;
             delete SBHUFFDT;
@@ -1733,7 +1714,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
             delete pDecoder;
             goto failed;
           }
-          m_pModule->JBig2_Free(SBSYMS);
+          FX_Free(SBSYMS);
           delete SBHUFFFS;
           delete SBHUFFDS;
           delete SBHUFFDT;
@@ -1755,16 +1736,15 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
           if (IDI >= SBNUMSYMS) {
             goto failed;
           }
-          SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-              SBNUMSYMS, sizeof(CJBig2_Image*));
+          SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
           JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
           JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
                        NSYMSDECODED * sizeof(CJBig2_Image*));
           if (!SBSYMS[IDI]) {
-            m_pModule->JBig2_Free(SBSYMS);
+            FX_Free(SBSYMS);
             goto failed;
           }
-          JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
+          pGRRD = new CJBig2_GRRDProc();
           pGRRD->GRW = SYMWIDTH;
           pGRRD->GRH = HCHEIGHT;
           pGRRD->GRTEMPLATE = SDRTEMPLATE;
@@ -1778,11 +1758,11 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
           pGRRD->GRAT[3] = SDRAT[3];
           BS = pGRRD->decode(pArithDecoder, grContext);
           if (BS == NULL) {
-            m_pModule->JBig2_Free(SBSYMS);
+            FX_Free(SBSYMS);
             delete pGRRD;
             goto failed;
           }
-          m_pModule->JBig2_Free(SBSYMS);
+          FX_Free(SBSYMS);
           delete pGRRD;
         }
       }
@@ -1793,15 +1773,14 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
   }
   EXINDEX = 0;
   CUREXFLAG = 0;
-  EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL),
-                                               (SDNUMINSYMS + SDNUMNEWSYMS));
+  EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS);
   while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) {
     if (IAEX->decode(pArithDecoder, (int*)&EXRUNLENGTH) == -1) {
-      m_pModule->JBig2_Free(EXFLAGS);
+      FX_Free(EXFLAGS);
       goto failed;
     }
     if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
-      m_pModule->JBig2_Free(EXFLAGS);
+      FX_Free(EXFLAGS);
       goto failed;
     }
     if (EXRUNLENGTH != 0) {
@@ -1812,15 +1791,14 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
     EXINDEX = EXINDEX + EXRUNLENGTH;
     CUREXFLAG = !CUREXFLAG;
   }
-  JBIG2_ALLOC(pDict, CJBig2_SymbolDict());
+  pDict = new CJBig2_SymbolDict();
   pDict->SDNUMEXSYMS = SDNUMEXSYMS;
-  pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-      sizeof(CJBig2_Image*), SDNUMEXSYMS);
+  pDict->SDEXSYMS = FX_Alloc(CJBig2_Image*, SDNUMEXSYMS);
   I = J = 0;
   for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) {
     if (EXFLAGS[I] && J < SDNUMEXSYMS) {
       if (I < SDNUMINSYMS) {
-        JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I]));
+        pDict->SDEXSYMS[J] = new CJBig2_Image(*SDINSYMS[I]);
       } else {
         pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS];
       }
@@ -1832,8 +1810,8 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Arith(
   if (J < SDNUMEXSYMS) {
     pDict->SDNUMEXSYMS = J;
   }
-  m_pModule->JBig2_Free(EXFLAGS);
-  m_pModule->JBig2_Free(SDNEWSYMS);
+  FX_Free(EXFLAGS);
+  FX_Free(SDNEWSYMS);
   delete IADH;
   delete IADW;
   delete IAAI;
@@ -1856,7 +1834,7 @@ failed:
       SDNEWSYMS[I] = NULL;
     }
   }
-  m_pModule->JBig2_Free(SDNEWSYMS);
+  FX_Free(SDNEWSYMS);
   delete IADH;
   delete IADW;
   delete IAAI;
@@ -1907,14 +1885,12 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
   CJBig2_GRDProc* pGRD;
   CJBig2_SymbolDict* pDict;
   pHuffmanDecoder = new CJBig2_HuffmanDecoder(pStream);
-  SDNEWSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS,
-                                                       sizeof(CJBig2_Image*));
+  SDNEWSYMS = FX_Alloc(CJBig2_Image*, SDNUMNEWSYMS);
   FXSYS_memset(SDNEWSYMS, 0, SDNUMNEWSYMS * sizeof(CJBig2_Image*));
   SDNEWSYMWIDTHS = NULL;
   BHC = NULL;
   if (SDREFAGG == 0) {
-    SDNEWSYMWIDTHS =
-        (FX_DWORD*)m_pModule->JBig2_Malloc2(SDNUMNEWSYMS, sizeof(FX_DWORD));
+    SDNEWSYMWIDTHS = FX_Alloc(FX_DWORD, SDNUMNEWSYMS);
     FXSYS_memset(SDNEWSYMWIDTHS, 0, SDNUMNEWSYMS * sizeof(FX_DWORD));
   }
   HCHEIGHT = 0;
@@ -1959,8 +1935,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
         }
         BS = NULL;
         if (REFAGGNINST > 1) {
-          CJBig2_TRDProc* pDecoder;
-          JBIG2_ALLOC(pDecoder, CJBig2_TRDProc());
+          CJBig2_TRDProc* pDecoder = new CJBig2_TRDProc();
           pDecoder->SBHUFF = SDHUFF;
           pDecoder->SBREFINE = 1;
           pDecoder->SBW = SYMWIDTH;
@@ -1969,8 +1944,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           pDecoder->SBSTRIPS = 1;
           pDecoder->SBNUMSYMS = SDNUMINSYMS + NSYMSDECODED;
           SBNUMSYMS = pDecoder->SBNUMSYMS;
-          SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(
-              SBNUMSYMS, sizeof(JBig2HuffmanCode));
+          SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS);
           nTmp = 1;
           while ((FX_DWORD)(1 << nTmp) < SBNUMSYMS) {
             nTmp++;
@@ -1980,8 +1954,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
             SBSYMCODES[I].code = I;
           }
           pDecoder->SBSYMCODES = SBSYMCODES;
-          SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-              SBNUMSYMS, sizeof(CJBig2_Image*));
+          SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
           JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
           JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
                        NSYMSDECODED * sizeof(CJBig2_Image*));
@@ -2030,8 +2003,8 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           pDecoder->SBRAT[3] = SDRAT[3];
           BS = pDecoder->decode_Huffman(pStream, grContext);
           if (BS == NULL) {
-            m_pModule->JBig2_Free(SBSYMCODES);
-            m_pModule->JBig2_Free(SBSYMS);
+            FX_Free(SBSYMCODES);
+            FX_Free(SBSYMS);
             delete SBHUFFFS;
             delete SBHUFFDS;
             delete SBHUFFDT;
@@ -2043,8 +2016,8 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
             delete pDecoder;
             goto failed;
           }
-          m_pModule->JBig2_Free(SBSYMCODES);
-          m_pModule->JBig2_Free(SBSYMS);
+          FX_Free(SBSYMCODES);
+          FX_Free(SBSYMS);
           delete SBHUFFFS;
           delete SBHUFFDS;
           delete SBHUFFDT;
@@ -2061,8 +2034,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
             nTmp++;
           }
           SBSYMCODELEN = (uint8_t)nTmp;
-          SBSYMCODES = (JBig2HuffmanCode*)m_pModule->JBig2_Malloc2(
-              SBNUMSYMS, sizeof(JBig2HuffmanCode));
+          SBSYMCODES = FX_Alloc(JBig2HuffmanCode, SBNUMSYMS);
           for (I = 0; I < SBNUMSYMS; I++) {
             SBSYMCODES[I].codelen = SBSYMCODELEN;
             SBSYMCODES[I].code = I;
@@ -2071,7 +2043,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           nBits = 0;
           for (;;) {
             if (pStream->read1Bit(&nTmp) != 0) {
-              m_pModule->JBig2_Free(SBSYMCODES);
+              FX_Free(SBSYMCODES);
               goto failed;
             }
             nVal = (nVal << 1) | nTmp;
@@ -2085,7 +2057,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
               break;
             }
           }
-          m_pModule->JBig2_Free(SBSYMCODES);
+          FX_Free(SBSYMCODES);
           SBHUFFRDX = new CJBig2_HuffmanTable(HuffmanTable_B15,
                                               FX_ArraySize(HuffmanTable_B15),
                                               HuffmanTable_HTOOB_B15);
@@ -2103,12 +2075,11 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           delete SBHUFFRSIZE;
           pStream->alignByte();
           nTmp = pStream->getOffset();
-          SBSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-              SBNUMSYMS, sizeof(CJBig2_Image*));
+          SBSYMS = FX_Alloc(CJBig2_Image*, SBNUMSYMS);
           JBIG2_memcpy(SBSYMS, SDINSYMS, SDNUMINSYMS * sizeof(CJBig2_Image*));
           JBIG2_memcpy(SBSYMS + SDNUMINSYMS, SDNEWSYMS,
                        NSYMSDECODED * sizeof(CJBig2_Image*));
-          JBIG2_ALLOC(pGRRD, CJBig2_GRRDProc());
+          pGRRD = new CJBig2_GRRDProc();
           pGRRD->GRW = SYMWIDTH;
           pGRRD->GRH = HCHEIGHT;
           pGRRD->GRTEMPLATE = SDRTEMPLATE;
@@ -2123,7 +2094,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           pArithDecoder = new CJBig2_ArithDecoder(pStream);
           BS = pGRRD->decode(pArithDecoder, grContext);
           if (BS == NULL) {
-            m_pModule->JBig2_Free(SBSYMS);
+            FX_Free(SBSYMS);
             delete pGRRD;
             delete pArithDecoder;
             goto failed;
@@ -2132,12 +2103,12 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           pStream->offset(2);
           if ((FX_DWORD)nVal != (pStream->getOffset() - nTmp)) {
             delete BS;
-            m_pModule->JBig2_Free(SBSYMS);
+            FX_Free(SBSYMS);
             delete pGRRD;
             delete pArithDecoder;
             goto failed;
           }
-          m_pModule->JBig2_Free(SBSYMS);
+          FX_Free(SBSYMS);
           delete pGRRD;
           delete pArithDecoder;
         }
@@ -2156,7 +2127,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
       if (BMSIZE == 0) {
         stride = (TOTWIDTH + 7) >> 3;
         if (pStream->getByteLeft() >= stride * HCHEIGHT) {
-          JBIG2_ALLOC(BHC, CJBig2_Image(TOTWIDTH, HCHEIGHT));
+          BHC = new CJBig2_Image(TOTWIDTH, HCHEIGHT);
           for (I = 0; I < HCHEIGHT; I++) {
             JBIG2_memcpy(BHC->m_pData + I * BHC->m_nStride,
                          pStream->getPointer(), stride);
@@ -2166,7 +2137,7 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
           goto failed;
         }
       } else {
-        JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
+        pGRD = new CJBig2_GRDProc();
         pGRD->MMR = 1;
         pGRD->GBW = TOTWIDTH;
         pGRD->GBH = HCHEIGHT;
@@ -2193,17 +2164,16 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
   CUREXFLAG = 0;
   pTable = new CJBig2_HuffmanTable(
       HuffmanTable_B1, FX_ArraySize(HuffmanTable_B1), HuffmanTable_HTOOB_B1);
-  EXFLAGS = (FX_BOOL*)m_pModule->JBig2_Malloc2(sizeof(FX_BOOL),
-                                               (SDNUMINSYMS + SDNUMNEWSYMS));
+  EXFLAGS = FX_Alloc(FX_BOOL, SDNUMINSYMS + SDNUMNEWSYMS);
   while (EXINDEX < SDNUMINSYMS + SDNUMNEWSYMS) {
     if (pHuffmanDecoder->decodeAValue(pTable, (int*)&EXRUNLENGTH) != 0) {
       delete pTable;
-      m_pModule->JBig2_Free(EXFLAGS);
+      FX_Free(EXFLAGS);
       goto failed;
     }
     if (EXINDEX + EXRUNLENGTH > SDNUMINSYMS + SDNUMNEWSYMS) {
       delete pTable;
-      m_pModule->JBig2_Free(EXFLAGS);
+      FX_Free(EXFLAGS);
       goto failed;
     }
     if (EXRUNLENGTH != 0) {
@@ -2215,15 +2185,14 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
     CUREXFLAG = !CUREXFLAG;
   }
   delete pTable;
-  JBIG2_ALLOC(pDict, CJBig2_SymbolDict());
+  pDict = new CJBig2_SymbolDict();
   pDict->SDNUMEXSYMS = SDNUMEXSYMS;
-  pDict->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-      sizeof(CJBig2_Image*), SDNUMEXSYMS);
+  pDict->SDEXSYMS = FX_Alloc(CJBig2_Image*, SDNUMEXSYMS);
   I = J = 0;
   for (I = 0; I < SDNUMINSYMS + SDNUMNEWSYMS; I++) {
     if (EXFLAGS[I] && J < SDNUMEXSYMS) {
       if (I < SDNUMINSYMS) {
-        JBIG2_ALLOC(pDict->SDEXSYMS[J], CJBig2_Image(*SDINSYMS[I]));
+        pDict->SDEXSYMS[J] = new CJBig2_Image(*SDINSYMS[I]);
       } else {
         pDict->SDEXSYMS[J] = SDNEWSYMS[I - SDNUMINSYMS];
       }
@@ -2235,10 +2204,10 @@ CJBig2_SymbolDict* CJBig2_SDDProc::decode_Huffman(CJBig2_BitStream* pStream,
   if (J < SDNUMEXSYMS) {
     pDict->SDNUMEXSYMS = J;
   }
-  m_pModule->JBig2_Free(EXFLAGS);
-  m_pModule->JBig2_Free(SDNEWSYMS);
+  FX_Free(EXFLAGS);
+  FX_Free(SDNEWSYMS);
   if (SDREFAGG == 0) {
-    m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
+    FX_Free(SDNEWSYMWIDTHS);
   }
   delete pHuffmanDecoder;
   return pDict;
@@ -2246,9 +2215,9 @@ failed:
   for (I = 0; I < NSYMSDECODED; I++) {
     delete SDNEWSYMS[I];
   }
-  m_pModule->JBig2_Free(SDNEWSYMS);
+  FX_Free(SDNEWSYMS);
   if (SDREFAGG == 0) {
-    m_pModule->JBig2_Free(SDNEWSYMWIDTHS);
+    FX_Free(SDNEWSYMWIDTHS);
   }
   delete pHuffmanDecoder;
   return NULL;
@@ -2258,16 +2227,13 @@ CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                                             IFX_Pause* pPause) {
   FX_DWORD ng, mg;
   int32_t x, y;
-  CJBig2_Image* HSKIP;
   FX_DWORD HBPP;
   FX_DWORD* GI;
-  CJBig2_Image* HTREG;
-  CJBig2_GSIDProc* pGID;
-  JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH));
+  CJBig2_Image* HSKIP = nullptr;
+  CJBig2_Image* HTREG = new CJBig2_Image(HBW, HBH);
   HTREG->fill(HDEFPIXEL);
-  HSKIP = NULL;
   if (HENABLESKIP == 1) {
-    JBIG2_ALLOC(HSKIP, CJBig2_Image(HGW, HGH));
+    HSKIP = new CJBig2_Image(HGW, HGH);
     for (mg = 0; mg < HGH; mg++) {
       for (ng = 0; ng < HGW; ng++) {
         x = (HGX + mg * HRY + ng * HRX) >> 8;
@@ -2285,7 +2251,7 @@ CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
   while ((FX_DWORD)(1 << HBPP) < HNUMPATS) {
     HBPP++;
   }
-  JBIG2_ALLOC(pGID, CJBig2_GSIDProc());
+  CJBig2_GSIDProc* pGID = new CJBig2_GSIDProc();
   pGID->GSMMR = HMMR;
   pGID->GSW = HGW;
   pGID->GSH = HGH;
@@ -2308,7 +2274,7 @@ CJBig2_Image* CJBig2_HTRDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
       HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP);
     }
   }
-  m_pModule->JBig2_Free(GI);
+  FX_Free(GI);
   delete HSKIP;
   delete pGID;
   return HTREG;
@@ -2322,17 +2288,14 @@ CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream,
                                           IFX_Pause* pPause) {
   FX_DWORD ng, mg;
   int32_t x, y;
-  FX_DWORD HBPP;
   FX_DWORD* GI;
-  CJBig2_Image* HTREG;
-  CJBig2_GSIDProc* pGID;
-  JBIG2_ALLOC(HTREG, CJBig2_Image(HBW, HBH));
+  CJBig2_Image* HTREG = new CJBig2_Image(HBW, HBH);
   HTREG->fill(HDEFPIXEL);
-  HBPP = 1;
+  FX_DWORD HBPP = 1;
   while ((FX_DWORD)(1 << HBPP) < HNUMPATS) {
     HBPP++;
   }
-  JBIG2_ALLOC(pGID, CJBig2_GSIDProc());
+  CJBig2_GSIDProc* pGID = new CJBig2_GSIDProc();
   pGID->GSMMR = HMMR;
   pGID->GSW = HGW;
   pGID->GSH = HGH;
@@ -2353,7 +2316,7 @@ CJBig2_Image* CJBig2_HTRDProc::decode_MMR(CJBig2_BitStream* pStream,
       HTREG->composeFrom(x, y, HPATS[pat_index], HCOMBOP);
     }
   }
-  m_pModule->JBig2_Free(GI);
+  FX_Free(GI);
   delete pGID;
   return HTREG;
 failed:
@@ -2367,14 +2330,11 @@ CJBig2_PatternDict* CJBig2_PDDProc::decode_Arith(
     IFX_Pause* pPause) {
   FX_DWORD GRAY;
   CJBig2_Image* BHDC = NULL;
-  CJBig2_PatternDict* pDict;
-  CJBig2_GRDProc* pGRD;
-  pDict = new CJBig2_PatternDict();
+  CJBig2_PatternDict* pDict = new CJBig2_PatternDict();
   pDict->NUMPATS = GRAYMAX + 1;
-  pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-      sizeof(CJBig2_Image*), pDict->NUMPATS);
+  pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS);
   JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS);
-  JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
+  CJBig2_GRDProc* pGRD = new CJBig2_GRDProc();
   pGRD->MMR = HDMMR;
   pGRD->GBW = (GRAYMAX + 1) * HDPW;
   pGRD->GBH = HDPH;
@@ -2417,13 +2377,11 @@ CJBig2_PatternDict* CJBig2_PDDProc::decode_MMR(CJBig2_BitStream* pStream,
                                                IFX_Pause* pPause) {
   FX_DWORD GRAY;
   CJBig2_Image* BHDC = NULL;
-  CJBig2_GRDProc* pGRD;
   CJBig2_PatternDict* pDict = new CJBig2_PatternDict();
   pDict->NUMPATS = GRAYMAX + 1;
-  pDict->HDPATS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-      sizeof(CJBig2_Image*), pDict->NUMPATS);
+  pDict->HDPATS = FX_Alloc(CJBig2_Image*, pDict->NUMPATS);
   JBIG2_memset(pDict->HDPATS, 0, sizeof(CJBig2_Image*) * pDict->NUMPATS);
-  JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
+  CJBig2_GRDProc* pGRD = new CJBig2_GRDProc();
   pGRD->MMR = HDMMR;
   pGRD->GBW = (GRAYMAX + 1) * HDPW;
   pGRD->GBH = HDPH;
@@ -2454,20 +2412,18 @@ FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
   int32_t J, K;
   FX_DWORD x, y;
   FX_DWORD* GSVALS;
-  CJBig2_GRDProc* pGRD;
-  GSPLANES =
-      (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP);
+  GSPLANES = FX_Alloc(CJBig2_Image*, GSBPP);
   if (!GSPLANES) {
     return NULL;
   }
-  GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH);
+  GSVALS = FX_Alloc2D(FX_DWORD, GSW, GSH);
   if (!GSVALS) {
-    m_pModule->JBig2_Free(GSPLANES);
+    FX_Free(GSPLANES);
     return NULL;
   }
   JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*) * GSBPP);
   JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD) * GSW * GSH);
-  JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
+  CJBig2_GRDProc* pGRD = new CJBig2_GRDProc();
   pGRD->MMR = GSMMR;
   pGRD->GBW = GSW;
   pGRD->GBH = GSH;
@@ -2523,13 +2479,13 @@ FX_DWORD* CJBig2_GSIDProc::decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
   for (J = 0; J < GSBPP; J++) {
     delete GSPLANES[J];
   }
-  m_pModule->JBig2_Free(GSPLANES);
+  FX_Free(GSPLANES);
   delete pGRD;
   return GSVALS;
 failed:
-  m_pModule->JBig2_Free(GSPLANES);
+  FX_Free(GSPLANES);
   delete pGRD;
-  m_pModule->JBig2_Free(GSVALS);
+  FX_Free(GSVALS);
   return NULL;
 }
 FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
@@ -2538,22 +2494,18 @@ FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
   int32_t J, K;
   FX_DWORD x, y;
   FX_DWORD* GSVALS;
-  CJBig2_GRDProc* pGRD;
-  GSPLANES =
-      (CJBig2_Image**)m_pModule->JBig2_Malloc2(sizeof(CJBig2_Image*), GSBPP);
+  GSPLANES = FX_Alloc(CJBig2_Image*, GSBPP);
   if (!GSPLANES) {
     return NULL;
   }
-  GSVALS = (FX_DWORD*)m_pModule->JBig2_Malloc3(sizeof(FX_DWORD), GSW, GSH);
+  GSVALS = FX_Alloc2D(FX_DWORD, GSW, GSH);
   if (!GSVALS) {
-    if (GSPLANES) {
-      m_pModule->JBig2_Free(GSPLANES);
-    }
+    FX_Free(GSPLANES);
     return NULL;
   }
   JBIG2_memset(GSPLANES, 0, sizeof(CJBig2_Image*) * GSBPP);
   JBIG2_memset(GSVALS, 0, sizeof(FX_DWORD) * GSW * GSH);
-  JBIG2_ALLOC(pGRD, CJBig2_GRDProc());
+  CJBig2_GRDProc* pGRD = new CJBig2_GRDProc();
   pGRD->MMR = GSMMR;
   pGRD->GBW = GSW;
   pGRD->GBH = GSH;
@@ -2593,13 +2545,13 @@ FX_DWORD* CJBig2_GSIDProc::decode_MMR(CJBig2_BitStream* pStream,
   for (J = 0; J < GSBPP; J++) {
     delete GSPLANES[J];
   }
-  m_pModule->JBig2_Free(GSPLANES);
+  FX_Free(GSPLANES);
   delete pGRD;
   return GSVALS;
 failed:
-  m_pModule->JBig2_Free(GSPLANES);
+  FX_Free(GSPLANES);
   delete pGRD;
-  m_pModule->JBig2_Free(GSVALS);
+  FX_Free(GSVALS);
   return NULL;
 }
 FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith(
@@ -2613,9 +2565,8 @@ FXCODEC_STATUS CJBig2_GRDProc::Start_decode_Arith(
   }
   m_ProssiveStatus = FXCODEC_STATUS_DECODE_READY;
   m_pPause = pPause;
-  if (*pImage == NULL) {
-    JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
-  }
+  if (!*pImage)
+    *pImage = new CJBig2_Image(GBW, GBH);
   if ((*pImage)->m_pData == NULL) {
     delete *pImage;
     *pImage = NULL;
@@ -2683,7 +2634,7 @@ FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage,
                                                 CJBig2_BitStream* pStream,
                                                 IFX_Pause* pPause) {
   int bitpos, i;
-  JBIG2_ALLOC((*pImage), CJBig2_Image(GBW, GBH));
+  *pImage = new CJBig2_Image(GBW, GBH);
   if ((*pImage)->m_pData == NULL) {
     delete (*pImage);
     (*pImage) = NULL;
@@ -2691,7 +2642,7 @@ FXCODEC_STATUS CJBig2_GRDProc::Start_decode_MMR(CJBig2_Image** pImage,
     return m_ProssiveStatus;
   }
   bitpos = (int)pStream->getBitPos();
-  _FaxG4Decode(m_pModule, pStream->getBuf(), pStream->getLength(), &bitpos,
+  _FaxG4Decode(pStream->getBuf(), pStream->getLength(), &bitpos,
                (*pImage)->m_pData, GBW, GBH, (*pImage)->m_nStride);
   pStream->setBitPos(bitpos);
   for (i = 0; (FX_DWORD)i < (*pImage)->m_nStride * GBH; i++) {
diff --git a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h
index 36839100fa..24ac467afa 100644
--- a/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h
+++ b/core/src/fxcodec/jbig2/JBig2_GeneralDecoder.h
@@ -25,7 +25,7 @@ enum JBig2Corner {
   JBIG2_CORNER_TOPRIGHT = 3
 };
 
-class CJBig2_GRDProc : public CJBig2_Object {
+class CJBig2_GRDProc {
  public:
   CJBig2_GRDProc() {
     m_loopIndex = 0;
@@ -135,7 +135,7 @@ class CJBig2_GRDProc : public CJBig2_Object {
   FX_RECT m_ReplaceRect;
 };
 
-class CJBig2_GRRDProc : public CJBig2_Object {
+class CJBig2_GRRDProc {
  public:
   CJBig2_Image* decode(CJBig2_ArithDecoder* pArithDecoder,
                        JBig2ArithCtx* grContext);
@@ -168,7 +168,7 @@ typedef struct {
   CJBig2_ArithIaidDecoder* IAID;
 } JBig2IntDecoderState;
 
-class CJBig2_TRDProc : public CJBig2_Object {
+class CJBig2_TRDProc {
  public:
   CJBig2_Image* decode_Huffman(CJBig2_BitStream* pStream,
                                JBig2ArithCtx* grContext);
@@ -202,7 +202,7 @@ class CJBig2_TRDProc : public CJBig2_Object {
   FX_BOOL SBRTEMPLATE;
   int8_t SBRAT[4];
 };
-class CJBig2_SDDProc : public CJBig2_Object {
+class CJBig2_SDDProc {
  public:
   CJBig2_SymbolDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                                   JBig2ArithCtx* gbContext,
@@ -226,7 +226,7 @@ class CJBig2_SDDProc : public CJBig2_Object {
   FX_BOOL SDRTEMPLATE;
   int8_t SDRAT[4];
 };
-class CJBig2_HTRDProc : public CJBig2_Object {
+class CJBig2_HTRDProc {
  public:
   CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                              JBig2ArithCtx* gbContext,
@@ -248,7 +248,7 @@ class CJBig2_HTRDProc : public CJBig2_Object {
   FX_WORD HRX, HRY;
   uint8_t HPW, HPH;
 };
-class CJBig2_PDDProc : public CJBig2_Object {
+class CJBig2_PDDProc {
  public:
   CJBig2_PatternDict* decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                                    JBig2ArithCtx* gbContext,
@@ -262,7 +262,7 @@ class CJBig2_PDDProc : public CJBig2_Object {
   FX_DWORD GRAYMAX;
   uint8_t HDTEMPLATE;
 };
-class CJBig2_GSIDProc : public CJBig2_Object {
+class CJBig2_GSIDProc {
  public:
   FX_DWORD* decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
                          JBig2ArithCtx* gbContext,
diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h
index b954b4d30d..7c843cf91b 100644
--- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h
+++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable.h
@@ -6,9 +6,10 @@
 
 #ifndef _JBIG2_HUFFMAN_TABLE_H_
 #define _JBIG2_HUFFMAN_TABLE_H_
-#include "JBig2_Module.h"
+
 #include "JBig2_HuffmanTable_Standard.h"
 #include "JBig2_BitStream.h"
+
 class CJBig2_HuffmanTable {
  public:
   CJBig2_HuffmanTable(const JBig2TableLine* pTable, int nLines, FX_BOOL bHTOOB);
diff --git a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h
index aa29258f07..28d8ae3564 100644
--- a/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h
+++ b/core/src/fxcodec/jbig2/JBig2_HuffmanTable_Standard.h
@@ -6,11 +6,15 @@
 
 #ifndef _JBIG2_HUFFMAN_TABLE_STANDARD_H_
 #define _JBIG2_HUFFMAN_TABLE_STANDARD_H_
-typedef struct {
+
+#include "../../../../core/include/fxcrt/fx_system.h"
+
+struct JBig2TableLine {
   int PREFLEN;
   int RANDELEN;
   int RANGELOW;
-} JBig2TableLine;
+};
+
 const FX_BOOL HuffmanTable_HTOOB_B1 = FALSE;
 const JBig2TableLine HuffmanTable_B1[] = {{1, 4, 0},
                                           {2, 8, 16},
diff --git a/core/src/fxcodec/jbig2/JBig2_Image.cpp b/core/src/fxcodec/jbig2/JBig2_Image.cpp
index f1adfc6152..4cb467427c 100644
--- a/core/src/fxcodec/jbig2/JBig2_Image.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_Image.cpp
@@ -20,7 +20,7 @@ CJBig2_Image::CJBig2_Image(int32_t w, int32_t h) {
   }
   m_nStride = ((w + 31) >> 5) << 2;
   if (m_nStride * m_nHeight > 0 && 104857600 / (int)m_nStride > m_nHeight) {
-    m_pData = (uint8_t*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight);
+    m_pData = FX_Alloc2D(uint8_t, m_nStride, m_nHeight);
   } else {
     m_pData = NULL;
   }
@@ -37,12 +37,11 @@ CJBig2_Image::CJBig2_Image(int32_t w,
   m_bNeedFree = FALSE;
 }
 CJBig2_Image::CJBig2_Image(CJBig2_Image& im) {
-  m_pModule = im.m_pModule;
   m_nWidth = im.m_nWidth;
   m_nHeight = im.m_nHeight;
   m_nStride = im.m_nStride;
   if (im.m_pData) {
-    m_pData = (uint8_t*)m_pModule->JBig2_Malloc2(m_nStride, m_nHeight);
+    m_pData = FX_Alloc2D(uint8_t, m_nStride, m_nHeight);
     JBIG2_memcpy(m_pData, im.m_pData, m_nStride * m_nHeight);
   } else {
     m_pData = NULL;
@@ -50,8 +49,8 @@ CJBig2_Image::CJBig2_Image(CJBig2_Image& im) {
   m_bNeedFree = TRUE;
 }
 CJBig2_Image::~CJBig2_Image() {
-  if (m_bNeedFree && m_pData) {
-    m_pModule->JBig2_Free(m_pData);
+  if (m_bNeedFree) {
+    FX_Free(m_pData);
   }
 }
 FX_BOOL CJBig2_Image::getPixel(int32_t x, int32_t y) {
@@ -155,7 +154,6 @@ CJBig2_Image* CJBig2_Image::subImage(int32_t x,
                                      int32_t y,
                                      int32_t w,
                                      int32_t h) {
-  CJBig2_Image* pImage;
   int32_t m, n, j;
   uint8_t *pLineSrc, *pLineDst;
   FX_DWORD wTmp;
@@ -163,7 +161,7 @@ CJBig2_Image* CJBig2_Image::subImage(int32_t x,
   if (w == 0 || h == 0) {
     return NULL;
   }
-  JBIG2_ALLOC(pImage, CJBig2_Image(w, h));
+  CJBig2_Image* pImage = new CJBig2_Image(w, h);
   if (!m_pData) {
     pImage->fill(0);
     return pImage;
@@ -224,8 +222,8 @@ void CJBig2_Image::expand(int32_t h, FX_BOOL v) {
     return;
   }
   // The guaranteed reallocated memory is to be < 4GB (unsigned int).
-  m_pData =
-      (uint8_t*)m_pModule->JBig2_Realloc(m_pData, safeMemSize.ValueOrDie());
+  m_pData = FX_Realloc(uint8_t, m_pData, safeMemSize.ValueOrDie());
+
   // The result of dwHeight * dwStride doesn't overflow after the
   // checking of safeMemSize.
   // The same as the result of (dwH - dwHeight) * dwStride) because
diff --git a/core/src/fxcodec/jbig2/JBig2_Image.h b/core/src/fxcodec/jbig2/JBig2_Image.h
index c5d27f36b5..e77da9059c 100644
--- a/core/src/fxcodec/jbig2/JBig2_Image.h
+++ b/core/src/fxcodec/jbig2/JBig2_Image.h
@@ -6,17 +6,19 @@
 
 #ifndef _JBIG2_IMAGE_H_
 #define _JBIG2_IMAGE_H_
+
 #include "JBig2_Define.h"
-#include "JBig2_Module.h"
-typedef enum {
+
+enum JBig2ComposeOp {
   JBIG2_COMPOSE_OR = 0,
   JBIG2_COMPOSE_AND = 1,
   JBIG2_COMPOSE_XOR = 2,
   JBIG2_COMPOSE_XNOR = 3,
   JBIG2_COMPOSE_REPLACE = 4
-} JBig2ComposeOp;
+};
+
 struct FX_RECT;
-class CJBig2_Image : public CJBig2_Object {
+class CJBig2_Image {
  public:
   CJBig2_Image(int32_t w, int32_t h);
 
diff --git a/core/src/fxcodec/jbig2/JBig2_Module.h b/core/src/fxcodec/jbig2/JBig2_Module.h
deleted file mode 100644
index bb06c8a0b3..0000000000
--- a/core/src/fxcodec/jbig2/JBig2_Module.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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 _JBIG2_MODULE_H_
-#define _JBIG2_MODULE_H_
-#include "JBig2_Define.h"
-class CJBig2_Module {
- public:
-  virtual ~CJBig2_Module() {}
-
-  virtual void* JBig2_Malloc(FX_DWORD dwSize) = 0;
-
-  virtual void* JBig2_Malloc2(FX_DWORD num, FX_DWORD dwSize) = 0;
-
-  virtual void* JBig2_Malloc3(FX_DWORD num,
-                              FX_DWORD dwSize,
-                              FX_DWORD dwSize2) = 0;
-
-  virtual void* JBig2_Realloc(void* pMem, FX_DWORD dwSize) = 0;
-
-  virtual void JBig2_Free(void* pMem) = 0;
-};
-#endif
diff --git a/core/src/fxcodec/jbig2/JBig2_Object.cpp b/core/src/fxcodec/jbig2/JBig2_Object.cpp
deleted file mode 100644
index 1b8d41b438..0000000000
--- a/core/src/fxcodec/jbig2/JBig2_Object.cpp
+++ /dev/null
@@ -1,82 +0,0 @@
-// 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 "JBig2_Object.h"
-#include "JBig2_Module.h"
-void* CJBig2_Object::operator new(size_t size,
-                                  CJBig2_Module* pModule,
-                                  const FX_CHAR* filename,
-                                  int line) {
-  CJBig2_Object* p;
-  p = (CJBig2_Object*)pModule->JBig2_Malloc((FX_DWORD)size);
-  p->m_pModule = pModule;
-  return p;
-}
-void CJBig2_Object::operator delete(void* p,
-                                    CJBig2_Module* pModule,
-                                    const FX_CHAR* filename,
-                                    int line) {
-  pModule->JBig2_Free(p);
-}
-void* CJBig2_Object::operator new(size_t size, CJBig2_Module* pModule) {
-  CJBig2_Object* p;
-  p = (CJBig2_Object*)pModule->JBig2_Malloc((FX_DWORD)size);
-  p->m_pModule = pModule;
-  return p;
-}
-void CJBig2_Object::operator delete(void* p) {
-  if (p) {
-    ((CJBig2_Object*)p)->m_pModule->JBig2_Free(p);
-  }
-}
-void CJBig2_Object::operator delete(void* p, CJBig2_Module* pModule) {
-  pModule->JBig2_Free(p);
-}
-void* CJBig2_Object::operator new[](size_t size,
-                                    CJBig2_Module* pModule,
-                                    size_t unit_size,
-                                    const FX_CHAR* filename,
-                                    int line) {
-  void* p;
-  uint8_t *pCur, *pEnd;
-  p = (uint8_t*)pModule->JBig2_Malloc((FX_DWORD)size);
-  pCur = (uint8_t*)p;
-  pEnd = pCur + size;
-  for (; pCur < pEnd; pCur += unit_size) {
-    ((CJBig2_Object*)pCur)->m_pModule = pModule;
-  }
-  return p;
-}
-void CJBig2_Object::operator delete[](void* p,
-                                      CJBig2_Module* pModule,
-                                      size_t unit_size,
-                                      const FX_CHAR* filename,
-                                      int line) {
-  pModule->JBig2_Free(p);
-}
-void* CJBig2_Object::operator new[](size_t size,
-                                    CJBig2_Module* pModule,
-                                    size_t unit_size) {
-  void* p;
-  uint8_t *pCur, *pEnd;
-  p = (uint8_t*)pModule->JBig2_Malloc((FX_DWORD)size);
-  pCur = (uint8_t*)p;
-  pEnd = pCur + size;
-  for (; pCur < pEnd; pCur += unit_size) {
-    ((CJBig2_Object*)pCur)->m_pModule = pModule;
-  }
-  return p;
-}
-void CJBig2_Object::operator delete[](void* p) {
-  if (p) {
-    ((CJBig2_Object*)p)->m_pModule->JBig2_Free(p);
-  }
-}
-void CJBig2_Object::operator delete[](void* p,
-                                      CJBig2_Module* pModule,
-                                      size_t unit_size) {
-  pModule->JBig2_Free(p);
-}
diff --git a/core/src/fxcodec/jbig2/JBig2_Object.h b/core/src/fxcodec/jbig2/JBig2_Object.h
deleted file mode 100644
index bab1a16231..0000000000
--- a/core/src/fxcodec/jbig2/JBig2_Object.h
+++ /dev/null
@@ -1,55 +0,0 @@
-// 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 _JBIG2_OBJECT_H_
-#define _JBIG2_OBJECT_H_
-#include "JBig2_Define.h"
-class CJBig2_Module;
-#define _JBIG2_NO_EXPECTION_
-class CJBig2_Object {
- public:
-  void* operator new(size_t size,
-                     CJBig2_Module* pModule,
-                     const FX_CHAR* filename,
-                     int line);
-
-  void operator delete(void* p,
-                       CJBig2_Module* pModule,
-                       const FX_CHAR* filename,
-                       int line);
-
-  void* operator new(size_t size, CJBig2_Module* pModule);
-
-  void operator delete(void* p);
-
-  void operator delete(void* p, CJBig2_Module* pModule);
-
-  void* operator new[](size_t size,
-                       CJBig2_Module* pModule,
-                       size_t unit_size,
-                       const FX_CHAR* filename,
-                       int line);
-
-  void operator delete[](void* p,
-                         CJBig2_Module* pModule,
-                         size_t unit_size,
-                         const FX_CHAR* filename,
-                         int line);
-
-  void* operator new[](size_t size, CJBig2_Module* pModule, size_t unit_size);
-
-  void operator delete[](void* p);
-
-  void operator delete[](void* p, CJBig2_Module* pModule, size_t unit_size);
-
- public:
-  CJBig2_Module* m_pModule;
-};
-#define JBIG2_NEW new (m_pModule)
-#define JBIG2_ALLOC(p, a) \
-  p = JBIG2_NEW a;        \
-  p->m_pModule = m_pModule;
-#endif
diff --git a/core/src/fxcodec/jbig2/JBig2_Segment.h b/core/src/fxcodec/jbig2/JBig2_Segment.h
index 5c1c585939..b80a5d282f 100644
--- a/core/src/fxcodec/jbig2/JBig2_Segment.h
+++ b/core/src/fxcodec/jbig2/JBig2_Segment.h
@@ -6,11 +6,12 @@
 
 #ifndef _JBIG2_SEGMENT_H_
 #define _JBIG2_SEGMENT_H_
+
 #include "JBig2_Define.h"
-#include "JBig2_SymbolDict.h"
-#include "JBig2_PatternDict.h"
-#include "JBig2_Module.h"
 #include "JBig2_HuffmanTable.h"
+#include "JBig2_PatternDict.h"
+#include "JBig2_SymbolDict.h"
+
 #define JBIG2_GET_INT32(buf) \
   (((buf)[0] << 24) | ((buf)[1] << 16) | ((buf)[2] << 8) | (buf)[3])
 #define JBIG2_GET_INT16(buf) (((buf)[0] << 8) | (buf)[1])
@@ -49,7 +50,7 @@ class CJBig2_Segment {
   FX_DWORD m_dwData_length;
 
   FX_DWORD m_dwHeader_Length;
-  uint8_t* m_pData;
+  const uint8_t* m_pData;
   JBig2_SegmentState m_State;
   JBig2_ResultType m_nResultType;
   union {
diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
index 2287b91840..ef02df1072 100644
--- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
+++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.cpp
@@ -5,6 +5,9 @@
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "JBig2_SymbolDict.h"
+
+#include "../../../include/fxcrt/fx_memory.h"
+
 CJBig2_SymbolDict::CJBig2_SymbolDict() {
   SDNUMEXSYMS = 0;
   SDEXSYMS = NULL;
@@ -13,18 +16,16 @@ CJBig2_SymbolDict::CJBig2_SymbolDict() {
 }
 
 CJBig2_SymbolDict* CJBig2_SymbolDict::DeepCopy() {
-  CJBig2_SymbolDict* dst = NULL;
   CJBig2_SymbolDict* src = this;
   if (src->m_bContextRetained || src->m_gbContext || src->m_grContext) {
     return NULL;
   }
-  JBIG2_ALLOC(dst, CJBig2_SymbolDict());
+  CJBig2_SymbolDict* dst = new CJBig2_SymbolDict;
   dst->SDNUMEXSYMS = src->SDNUMEXSYMS;
-  dst->SDEXSYMS = (CJBig2_Image**)m_pModule->JBig2_Malloc2(
-      sizeof(CJBig2_Image*), src->SDNUMEXSYMS);
+  dst->SDEXSYMS = FX_Alloc(CJBig2_Image*, src->SDNUMEXSYMS);
   for (FX_DWORD i = 0; i < src->SDNUMEXSYMS; i++) {
     if (src->SDEXSYMS[i]) {
-      JBIG2_ALLOC(dst->SDEXSYMS[i], CJBig2_Image(*(src->SDEXSYMS[i])));
+      dst->SDEXSYMS[i] = new CJBig2_Image(*(src->SDEXSYMS[i]));
     } else {
       dst->SDEXSYMS[i] = NULL;
     }
@@ -37,14 +38,10 @@ CJBig2_SymbolDict::~CJBig2_SymbolDict() {
     for (FX_DWORD i = 0; i < SDNUMEXSYMS; i++) {
       delete SDEXSYMS[i];
     }
-    m_pModule->JBig2_Free(SDEXSYMS);
+    FX_Free(SDEXSYMS);
   }
   if (m_bContextRetained) {
-    if (m_gbContext) {
-      m_pModule->JBig2_Free(m_gbContext);
-    }
-    if (m_grContext) {
-      m_pModule->JBig2_Free(m_grContext);
-    }
+    FX_Free(m_gbContext);
+    FX_Free(m_grContext);
   }
 }
diff --git a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h
index 1a074415bf..19d0f606a5 100644
--- a/core/src/fxcodec/jbig2/JBig2_SymbolDict.h
+++ b/core/src/fxcodec/jbig2/JBig2_SymbolDict.h
@@ -6,10 +6,12 @@
 
 #ifndef _JBIG2_SYMBOL_DICT_H_
 #define _JBIG2_SYMBOL_DICT_H_
-#include "JBig2_Define.h"
+
 #include "JBig2_ArithDecoder.h"
+#include "JBig2_Define.h"
 #include "JBig2_Image.h"
-class CJBig2_SymbolDict : public CJBig2_Object {
+
+class CJBig2_SymbolDict {
  public:
   CJBig2_SymbolDict();
   CJBig2_SymbolDict* DeepCopy();
@@ -19,6 +21,8 @@ class CJBig2_SymbolDict : public CJBig2_Object {
   FX_DWORD SDNUMEXSYMS;
   CJBig2_Image** SDEXSYMS;
   FX_BOOL m_bContextRetained;
-  JBig2ArithCtx *m_gbContext, *m_grContext;
+  JBig2ArithCtx* m_gbContext;
+  JBig2ArithCtx* m_grContext;
 };
+
 #endif