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// 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.
#include "constants/transparency.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/shared_copy_on_write.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/fx_dib.h"
class CPDF_Object;
class CPDF_TransferFunc;
class CPDF_GeneralState {
CPDF_GeneralState(const CPDF_GeneralState& that);
void Emplace() { m_Ref.Emplace(); }
bool HasRef() const { return !!m_Ref; }
void SetRenderIntent(const ByteString& ri);
ByteString GetBlendMode() const;
BlendMode GetBlendType() const;
void SetBlendType(BlendMode type);
float GetFillAlpha() const;
void SetFillAlpha(float alpha);
float GetStrokeAlpha() const;
void SetStrokeAlpha(float alpha);
CPDF_Object* GetSoftMask() const;
void SetSoftMask(CPDF_Object* pObject);
const CPDF_Object* GetTR() const;
void SetTR(CPDF_Object* pObject);
RetainPtr<CPDF_TransferFunc> GetTransferFunc() const;
void SetTransferFunc(const RetainPtr<CPDF_TransferFunc>& pFunc);
void SetBlendMode(const ByteString& mode);
const CFX_Matrix* GetSMaskMatrix() const;
void SetSMaskMatrix(const CFX_Matrix& matrix);
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(float flatness);
void SetSmoothness(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();
class StateData final : public Retainable {
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
ByteString m_BlendMode = pdfium::transparency::kNormal;
BlendMode m_BlendType = BlendMode::kNormal;
UnownedPtr<CPDF_Object> m_pSoftMask;
CFX_Matrix m_SMaskMatrix;
float m_StrokeAlpha = 1.0f;
float m_FillAlpha = 1.0f;
UnownedPtr<const CPDF_Object> m_pTR;
RetainPtr<CPDF_TransferFunc> m_pTransferFunc;
CFX_Matrix m_Matrix;
int m_RenderIntent = 0;
bool m_StrokeAdjust = false;
bool m_AlphaSource = false;
bool m_TextKnockout = false;
bool m_StrokeOP = false;
bool m_FillOP = false;
int m_OPMode = 0;
UnownedPtr<const CPDF_Object> m_pBG;
UnownedPtr<const CPDF_Object> m_pUCR;
UnownedPtr<const CPDF_Object> m_pHT;
float m_Flatness = 1.0f;
float m_Smoothness = 0.0f;
StateData(const StateData& that);
~StateData() override;
SharedCopyOnWrite<StateData> m_Ref;