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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/cfx_shared_copy_on_write.h"
#include "core/fxcrt/fx_basic.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);
FX_FLOAT GetFontSize() const;
void SetFontSize(FX_FLOAT size);
const FX_FLOAT* GetMatrix() const;
FX_FLOAT* GetMutableMatrix();
FX_FLOAT GetCharSpace() const;
void SetCharSpace(FX_FLOAT sp);
FX_FLOAT GetWordSpace() const;
void SetWordSpace(FX_FLOAT sp);
FX_FLOAT GetFontSizeV() const;
FX_FLOAT GetFontSizeH() const;
FX_FLOAT GetBaselineAngle() const;
FX_FLOAT GetShearAngle() const;
TextRenderingMode GetTextMode() const;
void SetTextMode(TextRenderingMode mode);
const FX_FLOAT* GetCTM() const;
FX_FLOAT* GetMutableCTM();
private:
class TextData {
public:
TextData();
TextData(const TextData& src);
~TextData();
void SetFont(CPDF_Font* pFont);
FX_FLOAT GetFontSizeV() const;
FX_FLOAT GetFontSizeH() const;
FX_FLOAT GetBaselineAngle() const;
FX_FLOAT GetShearAngle() const;
CPDF_Font* m_pFont;
CPDF_Document* m_pDocument;
FX_FLOAT m_FontSize;
FX_FLOAT m_CharSpace;
FX_FLOAT m_WordSpace;
TextRenderingMode m_TextMode;
FX_FLOAT m_Matrix[4];
FX_FLOAT m_CTM[4];
};
CFX_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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