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// Copyright 2016 The PDFium Authors
// 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_PAGE_CPDF_GENERALSTATE_H_
#define CORE_FPDFAPI_PAGE_CPDF_GENERALSTATE_H_
#include <vector>
#include "constants/transparency.h"
#include "core/fxcrt/bytestring.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/shared_copy_on_write.h"
#include "core/fxge/dib/fx_dib.h"
#include "third_party/base/containers/span.h"
class CPDF_Dictionary;
class CPDF_Object;
class CPDF_TransferFunc;
class CPDF_GeneralState {
public:
CPDF_GeneralState();
CPDF_GeneralState(const CPDF_GeneralState& that);
~CPDF_GeneralState();
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);
RetainPtr<const CPDF_Dictionary> GetSoftMask() const;
RetainPtr<CPDF_Dictionary> GetMutableSoftMask();
void SetSoftMask(RetainPtr<CPDF_Dictionary> pDict);
RetainPtr<const CPDF_Object> GetTR() const;
void SetTR(RetainPtr<const CPDF_Object> pObject);
RetainPtr<CPDF_TransferFunc> GetTransferFunc() const;
void SetTransferFunc(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(RetainPtr<const CPDF_Object> pObject);
void SetUCR(RetainPtr<const CPDF_Object> pObject);
void SetHT(RetainPtr<const 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();
void SetGraphicsResourceNames(std::vector<ByteString> names);
void AppendGraphicsResourceName(ByteString name);
pdfium::span<const ByteString> GetGraphicsResourceNames() const;
private:
class StateData final : public Retainable {
public:
CONSTRUCT_VIA_MAKE_RETAIN;
RetainPtr<StateData> Clone() const;
ByteString m_BlendMode = pdfium::transparency::kNormal;
BlendMode m_BlendType = BlendMode::kNormal;
RetainPtr<CPDF_Dictionary> m_pSoftMask;
CFX_Matrix m_SMaskMatrix;
float m_StrokeAlpha = 1.0f;
float m_FillAlpha = 1.0f;
RetainPtr<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;
RetainPtr<const CPDF_Object> m_pBG;
RetainPtr<const CPDF_Object> m_pUCR;
RetainPtr<const CPDF_Object> m_pHT;
float m_Flatness = 1.0f;
float m_Smoothness = 0.0f;
// The resource names of the graphics states that apply to this object.
std::vector<ByteString> m_GraphicsResourceNames;
private:
StateData();
StateData(const StateData& that);
~StateData() override;
};
SharedCopyOnWrite<StateData> m_Ref;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_GENERALSTATE_H_