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| 1 // Copyright 2016 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_ | |
| 8 #define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_ | |
| 9 | |
| 10 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h" | |
| 11 #include "core/fxcrt/include/fx_string.h" | |
| 12 #include "core/fxcrt/include/fx_system.h" | |
| 13 | |
| 14 struct CPDF_TextObjectItem { | |
| 15 uint32_t m_CharCode; | |
| 16 FX_FLOAT m_OriginX; | |
| 17 FX_FLOAT m_OriginY; | |
| 18 }; | |
| 19 | |
| 20 class CPDF_TextObject : public CPDF_PageObject { | |
| 21 public: | |
| 22 CPDF_TextObject(); | |
| 23 ~CPDF_TextObject() override; | |
| 24 | |
| 25 // CPDF_PageObject | |
| 26 CPDF_TextObject* Clone() const override; | |
| 27 Type GetType() const override; | |
| 28 void Transform(const CFX_Matrix& matrix) override; | |
| 29 bool IsText() const override; | |
| 30 CPDF_TextObject* AsText() override; | |
| 31 const CPDF_TextObject* AsText() const override; | |
| 32 | |
| 33 int CountItems() const; | |
| 34 void GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const; | |
| 35 int CountChars() const; | |
| 36 void GetCharInfo(int index, uint32_t& charcode, FX_FLOAT& kerning) const; | |
| 37 void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const; | |
| 38 FX_FLOAT GetCharWidth(uint32_t charcode) const; | |
| 39 FX_FLOAT GetPosX() const; | |
| 40 FX_FLOAT GetPosY() const; | |
| 41 void GetTextMatrix(CFX_Matrix* pMatrix) const; | |
| 42 CPDF_Font* GetFont() const; | |
| 43 FX_FLOAT GetFontSize() const; | |
| 44 | |
| 45 void SetText(const CFX_ByteString& text); | |
| 46 void SetPosition(FX_FLOAT x, FX_FLOAT y); | |
| 47 | |
| 48 void RecalcPositionData(); | |
| 49 | |
| 50 protected: | |
| 51 friend class CPDF_RenderStatus; | |
| 52 friend class CPDF_StreamContentParser; | |
| 53 friend class CPDF_TextRenderer; | |
| 54 | |
| 55 void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs); | |
| 56 | |
| 57 void CalcPositionData(FX_FLOAT* pTextAdvanceX, | |
| 58 FX_FLOAT* pTextAdvanceY, | |
| 59 FX_FLOAT horz_scale, | |
| 60 int level = 0); | |
| 61 | |
| 62 FX_FLOAT m_PosX; | |
| 63 FX_FLOAT m_PosY; | |
| 64 int m_nChars; | |
| 65 uint32_t* m_pCharCodes; | |
| 66 FX_FLOAT* m_pCharPos; | |
| 67 }; | |
| 68 | |
| 69 #endif // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_ | |
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