core/fpdfapi/fpdf_page/cpdf_textobject.h - Issue 2384853002: Detect resursive loading of type3 font char to avoid infinite loop

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Side by Side Diff: core/fpdfapi/fpdf_page/cpdf_textobject.h

Issue 2384853002: Detect resursive loading of type3 font char to avoid infinite loop (Closed)

Patch Set: address comments Created 4 years, 2 months ago

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1 // Copyright 2016 PDFium Authors. All rights reserved.	1 // Copyright 2016 PDFium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com	5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

6	6

7 #ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTOBJECT_H_	7 #ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTOBJECT_H_

8 #define CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTOBJECT_H_	8 #define CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTOBJECT_H_

9	9

10 #include "core/fpdfapi/fpdf_page/cpdf_pageobject.h"	10 #include "core/fpdfapi/fpdf_page/cpdf_pageobject.h"

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49	49

50 protected:	50 protected:

51 friend class CPDF_RenderStatus;	51 friend class CPDF_RenderStatus;

52 friend class CPDF_StreamContentParser;	52 friend class CPDF_StreamContentParser;

53 friend class CPDF_TextRenderer;	53 friend class CPDF_TextRenderer;

54	54

55 void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);	55 void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);

56	56

57 void CalcPositionData(FX_FLOAT* pTextAdvanceX,	57 void CalcPositionData(FX_FLOAT* pTextAdvanceX,

58 FX_FLOAT* pTextAdvanceY,	58 FX_FLOAT* pTextAdvanceY,

59 FX_FLOAT horz_scale,	59 FX_FLOAT horz_scale);

60 int level = 0);

61	60

62 FX_FLOAT m_PosX;	61 FX_FLOAT m_PosX;

63 FX_FLOAT m_PosY;	62 FX_FLOAT m_PosY;

64 int m_nChars;	63 int m_nChars;

65 uint32_t* m_pCharCodes;	64 uint32_t* m_pCharCodes;

66 FX_FLOAT* m_pCharPos;	65 FX_FLOAT* m_pCharPos;

67 };	66 };

68	67

69 #endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTOBJECT_H_	68 #endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTOBJECT_H_

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