Make StateData private

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/cfx_count_ref.h"
 #include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"
+
+class CPDF_TransferFunc;
+class CPDF_Object;
 
 class CPDF_GeneralState {
  public:
   CPDF_GeneralState();
   CPDF_GeneralState(const CPDF_GeneralState& that);
   ~CPDF_GeneralState();
 
   void Emplace() { m_Ref.Emplace(); }
 
-  void SetRenderIntent(const CFX_ByteString& ri);
-
-  int GetBlendType() const {
-    const CPDF_GeneralStateData* pData = m_Ref.GetObject();
-    return pData ? pData->m_BlendType : FXDIB_BLEND_NORMAL;
-  }
-
-  void SetBlendType(int type) { m_Ref.GetPrivateCopy()->m_BlendType = type; }
+  int GetBlendType() const;
+  void SetBlendType(int type);
 
   int GetAlpha(FX_BOOL bStroke) const {
     return bStroke ? GetStrokeAlpha() : GetFillAlpha();
   }
 
-  int GetFillAlpha() const {
-    const CPDF_GeneralStateData* pData = m_Ref.GetObject();
-    return pData ? FXSYS_round(255 * pData->m_FillAlpha) : 255;
-  }
+  int GetFillAlpha() const;
+  void SetFillAlpha(FX_FLOAT alpha);
 
-  int GetStrokeAlpha() const {
-    const CPDF_GeneralStateData* pData = m_Ref.GetObject();
-    return pData ? FXSYS_round(255 * pData->m_StrokeAlpha) : 255;
-  }
+  int GetStrokeAlpha() const;
+  void SetStrokeAlpha(FX_FLOAT alpha);
 
-  void SetSoftMask(CPDF_Object* pObject) {
-    m_Ref.GetPrivateCopy()->m_pSoftMask = pObject;
-  }
+  CPDF_Object* GetSoftMask() const;
+  void SetSoftMask(CPDF_Object* pObject);
 
-  CPDF_Object* GetSoftMask() const {
-    const CPDF_GeneralStateData* pData = m_Ref.GetObject();
-    return pData ? pData->m_pSoftMask : nullptr;
-  }
+  CPDF_Object* GetTR() const;
+  void SetTR(CPDF_Object* pObject);
 
-  void SetTR(CPDF_Object* pObject) { m_Ref.GetPrivateCopy()->m_pTR = pObject; }
+  CPDF_TransferFunc* GetTransferFunc() const;
+  void SetTransferFunc(CPDF_TransferFunc* pFunc);
 
-  CPDF_Object* GetTR() const { return m_Ref.GetObject()->m_pTR; }
+  void SetBlendMode(const CFX_ByteStringC& mode);
 
-  void SetTransferFunc(CPDF_TransferFunc* pFunc) {
-    m_Ref.GetPrivateCopy()->m_pTransferFunc = pFunc;
-  }
+  const FX_FLOAT* GetSMaskMatrix() const;
+  FX_FLOAT* GetMutableSMaskMatrix();
 
-  CPDF_TransferFunc* GetTransferFunc() const {
-    return m_Ref.GetObject()->m_pTransferFunc;
-  }
+  int GetFillOP() const;
+  void SetFillOP(int op);
 
-  void SetBlendMode(const CFX_ByteStringC& mode) {
-    m_Ref.GetPrivateCopy()->SetBlendMode(mode);
-  }
+  int GetStrokeOP() const;
+  void SetStrokeOP(int op);
 
-  const FX_FLOAT* GetSMaskMatrix() const {
-    return m_Ref.GetObject()->m_SMaskMatrix;
-  }
+  int GetOPMode() const;
+  void SetOPMode(int mode);
 
-  FX_FLOAT* GetMutableSMaskMatrix() {
-    return m_Ref.GetPrivateCopy()->m_SMaskMatrix;
-  }
+  void SetBG(CPDF_Object* pObject);
+  void SetUCR(CPDF_Object* pObject);
+  void SetHT(CPDF_Object* pObject);
 
-  void SetStrokeAlpha(FX_FLOAT alpha) {
-    m_Ref.GetPrivateCopy()->m_StrokeAlpha = alpha;
-  }
+  void SetFlatness(FX_FLOAT flatness);
+  void SetSmoothness(FX_FLOAT smoothness);
 
-  void SetFillAlpha(FX_FLOAT alpha) {
-    m_Ref.GetPrivateCopy()->m_FillAlpha = alpha;
-  }
+  void SetStrokeAdjust(FX_FLOAT adjust);
+  FX_FLOAT GetStrokeAdjust() const;
 
-  void SetFillOP(int op) { m_Ref.GetPrivateCopy()->m_FillOP = op; }
+  void SetAlphaSource(int source);
+  void SetTextKnockout(int knockout);
 
-  int GetFillOP() const { return m_Ref.GetObject()->m_FillOP; }
+  CFX_Matrix* GetMutableMatrix();
+  void SetMatrix(const CFX_Matrix& matrix);
 
-  void SetStrokeOP(int op) { m_Ref.GetPrivateCopy()->m_StrokeOP = op; }
-
-  int GetStrokeOP() const { return m_Ref.GetObject()->m_StrokeOP; }
-
-  void SetOPMode(int mode) { m_Ref.GetPrivateCopy()->m_OPMode = mode; }
-
-  int GetOPMode() const { return m_Ref.GetObject()->m_OPMode; }
-
-  void SetBG(CPDF_Object* pObject) { m_Ref.GetPrivateCopy()->m_pBG = pObject; }
-
-  void SetUCR(CPDF_Object* pObject) {
-    m_Ref.GetPrivateCopy()->m_pUCR = pObject;
-  }
-
-  void SetHT(CPDF_Object* pObject) { m_Ref.GetPrivateCopy()->m_pHT = pObject; }
-
-  void SetFlatness(FX_FLOAT flatness) {
-    m_Ref.GetPrivateCopy()->m_Flatness = flatness;
-  }
-
-  void SetSmoothness(FX_FLOAT smoothness) {
-    m_Ref.GetPrivateCopy()->m_Smoothness = smoothness;
-  }
-
-  void SetStrokeAdjust(FX_FLOAT adjust) {
-    m_Ref.GetPrivateCopy()->m_StrokeAdjust = adjust;
-  }
-
-  FX_FLOAT GetStrokeAdjust() const { return m_Ref.GetObject()->m_StrokeAdjust; }
-
-  void SetAlphaSource(int source) {
-    m_Ref.GetPrivateCopy()->m_AlphaSource = source;
-  }
-
-  void SetTextKnockout(int knockout) {
-    m_Ref.GetPrivateCopy()->m_TextKnockout = knockout;
-  }
-
-  void SetMatrix(const CFX_Matrix& matrix) {
-    m_Ref.GetPrivateCopy()->m_Matrix = matrix;
-  }
-
-  CFX_Matrix* GetMutableMatrix() { return &m_Ref.GetPrivateCopy()->m_Matrix; }
+  void SetRenderIntent(const CFX_ByteString& ri);
 
   operator bool() const { return !!m_Ref; }
 
  private:
-  CFX_CountRef<CPDF_GeneralStateData> m_Ref;
+  class StateData {
+   public:
+    StateData();
+    StateData(const StateData& that);
+    ~StateData();
+
+    void SetBlendMode(const CFX_ByteStringC& blend_mode);
+
+    char m_BlendMode[16];
+    int m_BlendType;
+    CPDF_Object* m_pSoftMask;
+    FX_FLOAT m_SMaskMatrix[6];
+    FX_FLOAT m_StrokeAlpha;
+    FX_FLOAT m_FillAlpha;
+    CPDF_Object* m_pTR;
+    CPDF_TransferFunc* m_pTransferFunc;
+    CFX_Matrix m_Matrix;
+    int m_RenderIntent;
+    FX_BOOL m_StrokeAdjust;
+    FX_BOOL m_AlphaSource;
+    FX_BOOL m_TextKnockout;
+    FX_BOOL m_StrokeOP;
+    FX_BOOL m_FillOP;
+    int m_OPMode;
+    CPDF_Object* m_pBG;
+    CPDF_Object* m_pUCR;
+    CPDF_Object* m_pHT;
+    FX_FLOAT m_Flatness;
+    FX_FLOAT m_Smoothness;
+  };
+
+  CFX_CountRef<StateData> m_Ref;
 };
 
 #endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_