| // 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_TEXTOBJECT_H_ |
| #define CORE_FPDFAPI_PAGE_CPDF_TEXTOBJECT_H_ |
| |
| #include <memory> |
| |
| #include "core/fpdfapi/page/cpdf_pageobject.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/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 |
| Type GetType() const override; |
| void Transform(const CFX_Matrix& matrix) override; |
| bool IsText() const override; |
| CPDF_TextObject* AsText() override; |
| const CPDF_TextObject* AsText() const override; |
| |
| std::unique_ptr<CPDF_TextObject> Clone() const; |
| int CountItems() const; |
| 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; |
| FX_FLOAT GetPosY() const; |
| void GetTextMatrix(CFX_Matrix* pMatrix) const; |
| CPDF_Font* GetFont() const; |
| FX_FLOAT GetFontSize() const; |
| |
| void SetText(const CFX_ByteString& text); |
| void SetPosition(FX_FLOAT x, FX_FLOAT y); |
| |
| void RecalcPositionData(); |
| |
| 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); |
| |
| FX_FLOAT m_PosX; |
| FX_FLOAT m_PosY; |
| int m_nChars; |
| uint32_t* m_pCharCodes; |
| FX_FLOAT* m_pCharPos; |
| }; |
| |
| #endif // CORE_FPDFAPI_PAGE_CPDF_TEXTOBJECT_H_ |