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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. http://www.foxitsoftware.com
#ifndef CORE_FPDFAPI_PAGE_CPDF_TEXTSTATE_H_
#define CORE_FPDFAPI_PAGE_CPDF_TEXTSTATE_H_
#include "core/fxcrt/shared_copy_on_write.h"
#include "core/fxcrt/unowned_ptr.h"
class CPDF_Document;
class CPDF_Font;
// See PDF Reference 1.7, page 402, table 5.3.
enum class TextRenderingMode {
MODE_FILL = 0,
MODE_STROKE = 1,
MODE_FILL_STROKE = 2,
MODE_INVISIBLE = 3,
MODE_FILL_CLIP = 4,
MODE_STROKE_CLIP = 5,
MODE_FILL_STROKE_CLIP = 6,
MODE_CLIP = 7,
};
class CPDF_TextState {
public:
CPDF_TextState();
~CPDF_TextState();
void Emplace();
CPDF_Font* GetFont() const;
void SetFont(CPDF_Font* pFont);
float GetFontSize() const;
void SetFontSize(float size);
const float* GetMatrix() const;
float* GetMutableMatrix();
float GetCharSpace() const;
void SetCharSpace(float sp);
float GetWordSpace() const;
void SetWordSpace(float sp);
float GetFontSizeV() const;
float GetFontSizeH() const;
float GetBaselineAngle() const;
float GetShearAngle() const;
TextRenderingMode GetTextMode() const;
void SetTextMode(TextRenderingMode mode);
const float* GetCTM() const;
float* GetMutableCTM();
private:
class TextData {
public:
TextData();
TextData(const TextData& src);
~TextData();
void SetFont(CPDF_Font* pFont);
float GetFontSizeV() const;
float GetFontSizeH() const;
float GetBaselineAngle() const;
float GetShearAngle() const;
CPDF_Font* m_pFont;
UnownedPtr<CPDF_Document> m_pDocument;
float m_FontSize;
float m_CharSpace;
float m_WordSpace;
TextRenderingMode m_TextMode;
float m_Matrix[4];
float m_CTM[4];
private:
void ReleaseFont();
};
SharedCopyOnWrite<TextData> m_Ref;
};
bool SetTextRenderingModeFromInt(int iMode, TextRenderingMode* mode);
bool TextRenderingModeIsClipMode(const TextRenderingMode& mode);
bool TextRenderingModeIsStrokeMode(const TextRenderingMode& mode);
#endif // CORE_FPDFAPI_PAGE_CPDF_TEXTSTATE_H_
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