Make CPDF_GeneralState have a CPDF_GeneralStateData

core/fpdfapi/fpdf_page/include/cpdf_generalstate.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_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_
 #define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_generalstatedata.h"
 #include "core/fxcrt/include/fx_basic.h"
 
-class CPDF_GeneralState : public CFX_CountRef<CPDF_GeneralStateData> {
+class CPDF_GeneralState {
  public:
+  CPDF_GeneralState();
+  CPDF_GeneralState(const CPDF_GeneralState& that);
+  ~CPDF_GeneralState();
+
+  void Emplace() { m_Ref.Emplace(); }
+  operator bool() const { return !!m_Ref; }
+
   void SetRenderIntent(const CFX_ByteString& ri);
 
-  int GetBlendType() const {
-    const CPDF_GeneralStateData* pData = GetObject();
-    return pData ? pData->m_BlendType : FXDIB_BLEND_NORMAL;
-  }
+  int GetBlendType() const;
+  void SetBlendType(int type);
 
-  int GetAlpha(FX_BOOL bStroke) const {
-    const CPDF_GeneralStateData* pData = GetObject();
-    if (!pData)
-      return 255;
-    return FXSYS_round((bStroke ? pData->m_StrokeAlpha : pData->m_FillAlpha) *
-                       255);
-  }
+  FX_FLOAT GetFillAlpha() const;
+  void SetFillAlpha(FX_FLOAT alpha);
+
+  FX_FLOAT GetStrokeAlpha() const;
+  void SetStrokeAlpha(FX_FLOAT alpha);
+
+  CPDF_Object* GetSoftMask() const;
+  void SetSoftMask(CPDF_Object* pObject);
+
+  CPDF_Object* GetTR() const;
+  void SetTR(CPDF_Object* pObject);
+
+  CPDF_TransferFunc* GetTransferFunc() const;
+  void SetTransferFunc(CPDF_TransferFunc* pFunc);
+
+  void SetBlendMode(const CFX_ByteStringC& mode);
+
+  const FX_FLOAT* GetSMaskMatrix() const;
+  FX_FLOAT* GetMutableSMaskMatrix();
+
+  bool GetFillOP() const;
+  void SetFillOP(bool op);
+
+  bool GetStrokeOP() const;
+  void SetStrokeOP(bool op);
+
+  int GetOPMode() const;
+  void SetOPMode(int mode);
+
+  void SetBG(CPDF_Object* pObject);
+  void SetUCR(CPDF_Object* pObject);
+  void SetHT(CPDF_Object* pObject);
+
+  void SetFlatness(FX_FLOAT flatness);
+  void SetSmoothness(FX_FLOAT smoothness);
+
+  bool GetStrokeAdjust() const;
+  void SetStrokeAdjust(bool adjust);
+
+  void SetAlphaSource(bool source);
+  void SetTextKnockout(bool knockout);
+
+  void SetMatrix(const CFX_Matrix& matrix);
+  CFX_Matrix* GetMutableMatrix();
+
+ private:
+  CFX_CountRef<CPDF_GeneralStateData> m_Ref;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_