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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_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
#include "core/fxcrt/include/fx_string.h"
#include "core/fxcrt/include/fx_system.h"
struct CPDF_TextObjectItem {
uint32_t m_CharCode;
FX_FLOAT m_OriginX;
FX_FLOAT m_OriginY;
};
class CPDF_TextObject : public CPDF_PageObject {
public:
CPDF_TextObject();
~CPDF_TextObject() override;
// CPDF_PageObject:
CPDF_TextObject* Clone() const override;
Type GetType() const override { return TEXT; };
void Transform(const CFX_Matrix& matrix) override;
bool IsText() const override { return true; };
CPDF_TextObject* AsText() override { return this; };
const CPDF_TextObject* AsText() const override { return this; };
int CountItems() const { return m_nChars; }
void GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const;
int CountChars() const;
void GetCharInfo(int index, uint32_t& charcode, FX_FLOAT& kerning) const;
void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const;
FX_FLOAT GetCharWidth(uint32_t charcode) const;
FX_FLOAT GetPosX() const { return m_PosX; }
FX_FLOAT GetPosY() const { return m_PosY; }
void GetTextMatrix(CFX_Matrix* pMatrix) const;
CPDF_Font* GetFont() const { return m_TextState.GetFont(); }
FX_FLOAT GetFontSize() const { return m_TextState.GetFontSize(); }
void SetText(const CFX_ByteString& text);
void SetPosition(FX_FLOAT x, FX_FLOAT y);
void RecalcPositionData() { CalcPositionData(nullptr, nullptr, 1); }
protected:
friend class CPDF_RenderStatus;
friend class CPDF_StreamContentParser;
friend class CPDF_TextRenderer;
void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);
void CalcPositionData(FX_FLOAT* pTextAdvanceX,
FX_FLOAT* pTextAdvanceY,
FX_FLOAT horz_scale,
int level = 0);
FX_FLOAT m_PosX;
FX_FLOAT m_PosY;
int m_nChars;
uint32_t* m_pCharCodes;
FX_FLOAT* m_pCharPos;
};
#endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
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