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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_COLORSTATE_H_
#define CORE_FPDFAPI_PAGE_CPDF_COLORSTATE_H_
#include <optional>
#include <vector>
#include "core/fpdfapi/page/cpdf_color.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/shared_copy_on_write.h"
#include "core/fxcrt/span.h"
#include "core/fxge/dib/fx_dib.h"
class CPDF_ColorSpace;
class CPDF_Pattern;
class CPDF_ColorState {
public:
CPDF_ColorState();
CPDF_ColorState(const CPDF_ColorState& that);
~CPDF_ColorState();
void Emplace();
void SetDefault();
FX_COLORREF GetFillColorRef() const;
void SetFillColorRef(FX_COLORREF colorref);
FX_COLORREF GetStrokeColorRef() const;
void SetStrokeColorRef(FX_COLORREF colorref);
const CPDF_Color* GetFillColor() const;
CPDF_Color* GetMutableFillColor();
bool HasFillColor() const;
const CPDF_Color* GetStrokeColor() const;
CPDF_Color* GetMutableStrokeColor();
bool HasStrokeColor() const;
void SetFillColor(RetainPtr<CPDF_ColorSpace> colorspace,
std::vector<float> values);
void SetStrokeColor(RetainPtr<CPDF_ColorSpace> colorspace,
std::vector<float> values);
void SetFillPattern(RetainPtr<CPDF_Pattern> pattern,
pdfium::span<float> values);
void SetStrokePattern(RetainPtr<CPDF_Pattern> pattern,
pdfium::span<float> values);
bool HasRef() const { return !!m_Ref; }
private:
class ColorData final : public Retainable {
public:
CONSTRUCT_VIA_MAKE_RETAIN;
RetainPtr<ColorData> Clone() const;
void SetDefault();
FX_COLORREF m_FillColorRef = 0;
FX_COLORREF m_StrokeColorRef = 0;
CPDF_Color m_FillColor;
CPDF_Color m_StrokeColor;
private:
ColorData();
ColorData(const ColorData& src);
~ColorData() override;
};
std::optional<FX_COLORREF> SetColor(RetainPtr<CPDF_ColorSpace> colorspace,
std::vector<float> values,
CPDF_Color& color);
FX_COLORREF SetPattern(RetainPtr<CPDF_Pattern> pattern,
pdfium::span<float> values,
CPDF_Color& color);
SharedCopyOnWrite<ColorData> m_Ref;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_COLORSTATE_H_