Initial commit.

1 files changed, 173 insertions, 0 deletions

diff --git a/core/include/fpdftext/fpdf_text.h b/core/include/fpdftext/fpdf_text.h
new file mode 100644
index 0000000000..8b5edc348f
--- /dev/null
+++ b/core/include/fpdftext/fpdf_text.h
@@ -0,0 +1,173 @@
+// Copyright 2014 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 _FPDF_TEXT_H_

+#define _FPDF_TEXT_H_

+#ifndef _FPDF_PARSER_

+#include "../fpdfapi/fpdf_parser.h"

+#endif

+#ifndef _FPDF_PAGEOBJ_H_

+#include "../fpdfapi/fpdf_pageobj.h"

+#endif

+#ifndef _FPDF_PAGE_

+#include "../fpdfapi/fpdf_page.h"

+#endif

+class CPDF_PageObjects;

+#define PDF2TXT_AUTO_ROTATE		1

+#define PDF2TXT_AUTO_WIDTH		2

+#define PDF2TXT_KEEP_COLUMN		4

+#define PDF2TXT_USE_OCR			8

+#define PDF2TXT_INCLUDE_INVISIBLE	16

+void PDF_GetPageText(CFX_ByteStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage,

+                     int iMinWidth, FX_DWORD flags);

+void PDF_GetPageText_Unicode(CFX_WideStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage,

+                             int iMinWidth, FX_DWORD flags);

+void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_Document* pDoc, CPDF_Dictionary* pPage,

+                               FX_DWORD flags);

+CFX_WideString PDF_GetFirstTextLine_Unicode(CPDF_Document* pDoc, CPDF_Dictionary* pPage);

+class IPDF_TextPage;

+class IPDF_LinkExtract;

+class IPDF_TextPageFind;

+#define CHAR_ERROR			-1

+#define CHAR_NORMAL			0

+#define CHAR_GENERATED		1

+#define CHAR_UNUNICODE		2

+typedef struct {

+    FX_WCHAR			m_Unicode;

+    FX_WCHAR			m_Charcode;

+    FX_INT32			m_Flag;

+    FX_FLOAT			m_FontSize;

+    FX_FLOAT			m_OriginX;

+    FX_FLOAT			m_OriginY;

+    CFX_FloatRect		m_CharBox;

+    CPDF_TextObject*	m_pTextObj;

+    CFX_AffineMatrix	m_Matrix;

+} FPDF_CHAR_INFO;

+typedef	CFX_ArrayTemplate<CFX_FloatRect> CFX_RectArray;

+#define FPDFTEXT_LRTB	0

+#define FPDFTEXT_RLTB	1

+#define FPDFTEXT_TBRL	2

+#define FPDFTEXT_LEFT			-1

+#define FPDFTEXT_RIGHT			1

+#define FPDFTEXT_UP				-2

+#define FPDFTEXT_DOWN			2

+class IPDF_ReflowedPage;

+#define FPDFTEXT_WRITINGMODE_UNKNOW	0

+#define FPDFTEXT_WRITINGMODE_LRTB	1

+#define FPDFTEXT_WRITINGMODE_RLTB	2

+#define FPDFTEXT_WRITINGMODE_TBRL	3

+class CPDFText_ParseOptions : public CFX_Object

+{

+public:

+

+    CPDFText_ParseOptions();

+    FX_BOOL			m_bGetCharCodeOnly;

+    FX_BOOL			m_bNormalizeObjs;

+    FX_BOOL			m_bOutputHyphen;

+};

+class IPDF_TextPage : public CFX_Object

+{

+public:

+

+    virtual ~IPDF_TextPage() {}

+    static IPDF_TextPage*	CreateTextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions);

+    static IPDF_TextPage*	CreateTextPage(const CPDF_Page* pPage, int flags = 0);

+    static IPDF_TextPage*	CreateTextPage(const CPDF_PageObjects* pObjs, int flags = 0);

+    static IPDF_TextPage*	CreateReflowTextPage(IPDF_ReflowedPage* pRefPage);

+

+    virtual void			NormalizeObjects(FX_BOOL bNormalize) = 0;

+

+    virtual FX_BOOL			ParseTextPage() = 0;

+

+

+    virtual FX_BOOL			IsParsered() const = 0;

+public:

+

+    virtual int CharIndexFromTextIndex(int TextIndex) const = 0;

+

+    virtual int TextIndexFromCharIndex(int CharIndex) const = 0;

+

+

+    virtual int				CountChars() const = 0;

+

+    virtual	void			GetCharInfo(int index, FPDF_CHAR_INFO & info) const = 0;

+

+    virtual void			GetRectArray(int start, int nCount, CFX_RectArray& rectArray) const = 0;

+

+

+

+    virtual int				GetIndexAtPos(CPDF_Point point, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const = 0;

+

+    virtual int				GetIndexAtPos(FX_FLOAT x, FX_FLOAT y, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const = 0;

+

+    virtual	int				GetOrderByDirection(int index, int direction) const = 0;

+

+    virtual CFX_WideString	GetTextByRect(CFX_FloatRect rect) const = 0;

+

+    virtual void			GetRectsArrayByRect(CFX_FloatRect rect, CFX_RectArray& resRectArray) const = 0;

+

+

+    virtual int				CountRects(int start, int nCount) = 0;

+

+    virtual	void			GetRect(int rectIndex, FX_FLOAT& left, FX_FLOAT& top, FX_FLOAT& right, FX_FLOAT &bottom) const = 0;

+

+    virtual FX_BOOL			GetBaselineRotate(int rectIndex, int& Rotate) = 0;

+

+    virtual FX_BOOL			GetBaselineRotate(CFX_FloatRect rect, int& Rotate) = 0;

+

+    virtual	int				CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, FX_FLOAT right, FX_FLOAT bottom, FX_BOOL bContains = FALSE) = 0;

+

+    virtual	void			GetBoundedSegment(int index, int& start, int& count) const = 0;

+

+

+    virtual int				GetWordBreak(int index, int direction) const = 0;

+

+    virtual CFX_WideString	GetPageText(int start = 0, int nCount = -1 ) const = 0;

+};

+#define FPDFTEXT_MATCHCASE      0x00000001

+#define FPDFTEXT_MATCHWHOLEWORD 0x00000002

+#define FPDFTEXT_CONSECUTIVE	0x00000004

+class IPDF_TextPageFind : public CFX_Object

+{

+public:

+

+    virtual	~IPDF_TextPageFind() {}

+

+    static	IPDF_TextPageFind*	CreatePageFind(const IPDF_TextPage* pTextPage);

+public:

+

+    virtual	FX_BOOL				FindFirst(CFX_WideString findwhat, int flags, int startPos = 0) = 0;

+

+    virtual	FX_BOOL				FindNext() = 0;

+

+    virtual	FX_BOOL				FindPrev() = 0;

+

+    virtual void				GetRectArray(CFX_RectArray& rects) const = 0;

+

+    virtual int					GetCurOrder() const = 0;

+

+    virtual int					GetMatchedCount() const = 0;

+};

+class IPDF_LinkExtract : public CFX_Object

+{

+public:

+

+    virtual	~IPDF_LinkExtract() {}

+

+    static	IPDF_LinkExtract*	CreateLinkExtract();

+

+    virtual FX_BOOL				ExtractLinks(const IPDF_TextPage* pTextPage) = 0;

+public:

+

+    virtual int					CountLinks() const = 0;

+

+    virtual CFX_WideString		GetURL(int index) const = 0;

+

+    virtual	void				GetBoundedSegment(int index, int& start, int& count) const = 0;

+

+    virtual void				GetRects(int index, CFX_RectArray& rects) const = 0;

+};

+#endif