1 files changed, 124 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_GrdProc.h b/core/fxcodec/jbig2/JBig2_GrdProc.h
new file mode 100644
index 0000000000..2a181b1822
--- /dev/null
+++ b/core/fxcodec/jbig2/JBig2_GrdProc.h
@@ -0,0 +1,124 @@
+// Copyright 2015 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_FXCODEC_JBIG2_JBIG2_GRDPROC_H_
+#define CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_
+
+#include "core/include/fxcodec/fx_codec_def.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CJBig2_ArithDecoder;
+class CJBig2_BitStream;
+class CJBig2_Image;
+class IFX_Pause;
+struct JBig2ArithCtx;
+
+class CJBig2_GRDProc {
+ public:
+  CJBig2_GRDProc();
+
+  CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder,
+                             JBig2ArithCtx* gbContext);
+
+  FXCODEC_STATUS Start_decode_Arith(CJBig2_Image** pImage,
+                                    CJBig2_ArithDecoder* pArithDecoder,
+                                    JBig2ArithCtx* gbContext,
+                                    IFX_Pause* pPause);
+  FXCODEC_STATUS Start_decode_MMR(CJBig2_Image** pImage,
+                                  CJBig2_BitStream* pStream,
+                                  IFX_Pause* pPause);
+  FXCODEC_STATUS Continue_decode(IFX_Pause* pPause);
+  FX_RECT GetReplaceRect() const { return m_ReplaceRect; }
+
+  FX_BOOL MMR;
+  FX_DWORD GBW;
+  FX_DWORD GBH;
+  uint8_t GBTEMPLATE;
+  FX_BOOL TPGDON;
+  FX_BOOL USESKIP;
+  CJBig2_Image* SKIP;
+  int8_t GBAT[8];
+
+ private:
+  bool UseTemplate0Opt3() const;
+  bool UseTemplate1Opt3() const;
+  bool UseTemplate23Opt3() const;
+
+  FXCODEC_STATUS decode_Arith(IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template0_opt3(CJBig2_Image* pImage,
+                                             CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext,
+                                             IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template0_unopt(
+      CJBig2_Image* pImage,
+      CJBig2_ArithDecoder* pArithDecoder,
+      JBig2ArithCtx* gbContext,
+      IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template1_opt3(CJBig2_Image* pImage,
+                                             CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext,
+                                             IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template1_unopt(
+      CJBig2_Image* pImage,
+      CJBig2_ArithDecoder* pArithDecoder,
+      JBig2ArithCtx* gbContext,
+      IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template2_opt3(CJBig2_Image* pImage,
+                                             CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext,
+                                             IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template2_unopt(
+      CJBig2_Image* pImage,
+      CJBig2_ArithDecoder* pArithDecoder,
+      JBig2ArithCtx* gbContext,
+      IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template3_opt3(CJBig2_Image* pImage,
+                                             CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext,
+                                             IFX_Pause* pPause);
+  FXCODEC_STATUS decode_Arith_Template3_unopt(
+      CJBig2_Image* pImage,
+      CJBig2_ArithDecoder* pArithDecoder,
+      JBig2ArithCtx* gbContext,
+      IFX_Pause* pPause);
+  CJBig2_Image* decode_Arith_Template0_opt3(CJBig2_ArithDecoder* pArithDecoder,
+                                            JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template0_unopt(CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template1_opt3(CJBig2_ArithDecoder* pArithDecoder,
+                                            JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template1_unopt(CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template2_opt3(CJBig2_ArithDecoder* pArithDecoder,
+                                            JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template2_unopt(CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template3_opt3(CJBig2_ArithDecoder* pArithDecoder,
+                                            JBig2ArithCtx* gbContext);
+
+  CJBig2_Image* decode_Arith_Template3_unopt(CJBig2_ArithDecoder* pArithDecoder,
+                                             JBig2ArithCtx* gbContext);
+
+  FX_DWORD m_loopIndex;
+  uint8_t* m_pLine;
+  IFX_Pause* m_pPause;
+  FXCODEC_STATUS m_ProssiveStatus;
+  CJBig2_Image** m_pImage;
+  CJBig2_ArithDecoder* m_pArithDecoder;
+  JBig2ArithCtx* m_gbContext;
+  FX_WORD m_DecodeType;
+  FX_BOOL LTP;
+  FX_RECT m_ReplaceRect;
+};
+
+#endif  // CORE_FXCODEC_JBIG2_JBIG2_GRDPROC_H_