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// 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_VT_H_
#define _FPDF_VT_H_
#include "../fpdfapi/fpdf_parser.h"
#include "../fxcrt/fx_basic.h"
#include "../fxge/fx_dib.h"
class IPDF_VariableText;
class IPDF_VariableText_Iterator;
class IPDF_VariableText_Provider;
struct CPVT_Line;
struct CPVT_Section;
struct CPVT_Word;
struct CPVT_WordPlace;
struct CPVT_WordRange;
struct CPVT_WordPlace {
CPVT_WordPlace() : nSecIndex(-1), nLineIndex(-1), nWordIndex(-1)
{
}
CPVT_WordPlace(FX_INT32 nSecIndex, FX_INT32 nLineIndex, FX_INT32 nWordIndex)
{
this->nSecIndex = nSecIndex;
this->nLineIndex = nLineIndex;
this->nWordIndex = nWordIndex;
}
void Default()
{
nSecIndex = nLineIndex = nWordIndex = -1;
}
FX_BOOL operator == (const CPVT_WordPlace & wp) const
{
return wp.nSecIndex == this->nSecIndex && wp.nLineIndex == this->nLineIndex && wp.nWordIndex == this->nWordIndex;
}
FX_BOOL operator != (const CPVT_WordPlace & wp) const
{
return wp.nSecIndex != this->nSecIndex || wp.nLineIndex != this->nLineIndex || wp.nWordIndex != this->nWordIndex;
}
inline FX_INT32 WordCmp(const CPVT_WordPlace & wp) const
{
if (this->nSecIndex > wp.nSecIndex) {
return 1;
}
if (this->nSecIndex < wp.nSecIndex) {
return -1;
}
if (this->nLineIndex > wp.nLineIndex) {
return 1;
}
if (this->nLineIndex < wp.nLineIndex) {
return -1;
}
if (this->nWordIndex > wp.nWordIndex) {
return 1;
}
if (this->nWordIndex < wp.nWordIndex) {
return -1;
}
return 0;
}
inline FX_INT32 LineCmp(const CPVT_WordPlace & wp) const
{
if (this->nSecIndex > wp.nSecIndex) {
return 1;
}
if (this->nSecIndex < wp.nSecIndex) {
return -1;
}
if (this->nLineIndex > wp.nLineIndex) {
return 1;
}
if (this->nLineIndex < wp.nLineIndex) {
return -1;
}
return 0;
}
inline FX_INT32 SecCmp(const CPVT_WordPlace & wp) const
{
if (this->nSecIndex > wp.nSecIndex) {
return 1;
}
if (this->nSecIndex < wp.nSecIndex) {
return -1;
}
return 0;
}
FX_INT32 nSecIndex;
FX_INT32 nLineIndex;
FX_INT32 nWordIndex;
};
struct CPVT_WordRange {
CPVT_WordRange()
{
}
CPVT_WordRange(const CPVT_WordPlace & begin, const CPVT_WordPlace & end)
{
Set(begin, end);
}
void Default()
{
BeginPos.Default();
EndPos.Default();
}
void Set(const CPVT_WordPlace & begin, const CPVT_WordPlace & end)
{
this->BeginPos = begin;
this->EndPos = end;
SwapWordPlace();
}
void SetBeginPos(const CPVT_WordPlace & begin)
{
this->BeginPos = begin;
SwapWordPlace();
}
void SetEndPos(const CPVT_WordPlace & end)
{
this->EndPos = end;
SwapWordPlace();
}
FX_BOOL IsExist() const
{
return this->BeginPos != this->EndPos;
}
FX_BOOL operator != (const CPVT_WordRange & wr) const
{
return wr.BeginPos != this->BeginPos || wr.EndPos != this->EndPos;
}
void SwapWordPlace()
{
if (BeginPos.WordCmp(EndPos) > 0) {
CPVT_WordPlace place = EndPos;
EndPos = BeginPos;
BeginPos = place;
}
}
CPVT_WordPlace BeginPos;
CPVT_WordPlace EndPos;
};
struct CPVT_SecProps : public CFX_Object {
CPVT_SecProps() : fLineLeading(0.0f), fLineIndent(0.0f), nAlignment(0)
{
}
CPVT_SecProps(FX_FLOAT lineLeading, FX_FLOAT lineIndent, FX_INT32 alignment) :
fLineLeading(lineLeading), fLineIndent(lineIndent), nAlignment(alignment)
{
}
CPVT_SecProps(const CPVT_SecProps & other) :
fLineLeading(other.fLineLeading), fLineIndent(other.fLineIndent), nAlignment(other.nAlignment)
{
}
FX_FLOAT fLineLeading;
FX_FLOAT fLineIndent;
FX_INT32 nAlignment;
};
struct CPVT_WordProps : public CFX_Object {
CPVT_WordProps() : nFontIndex(-1), fFontSize(0.0f), dwWordColor(0), nScriptType(0), nWordStyle(0),
fCharSpace(0.0f), nHorzScale(0)
{
}
CPVT_WordProps(FX_INT32 fontIndex, FX_FLOAT fontSize, FX_COLORREF wordColor = 0, FX_INT32 scriptType = 0, FX_INT32 wordStyle = 0,
FX_FLOAT charSpace = 0, FX_INT32 horzScale = 100) :
nFontIndex(fontIndex), fFontSize(fontSize), dwWordColor(wordColor), nScriptType(scriptType),
nWordStyle(wordStyle), fCharSpace(charSpace), nHorzScale(horzScale)
{
}
CPVT_WordProps(const CPVT_WordProps & other) :
nFontIndex(other.nFontIndex), fFontSize(other.fFontSize), dwWordColor(other.dwWordColor),
nScriptType(other.nScriptType), nWordStyle(other.nWordStyle), fCharSpace(other.fCharSpace),
nHorzScale(other.nHorzScale)
{
}
FX_INT32 nFontIndex;
FX_FLOAT fFontSize;
FX_COLORREF dwWordColor;
FX_INT32 nScriptType;
FX_INT32 nWordStyle;
FX_FLOAT fCharSpace;
FX_INT32 nHorzScale;
};
struct CPVT_Word {
CPVT_Word() : Word(0), nCharset(0), ptWord(0, 0), fAscent(0.0f), fDescent(0.0f), fWidth(0.0f),
fFontSize(0), WordProps()
{
}
FX_WORD Word;
FX_INT32 nCharset;
CPVT_WordPlace WordPlace;
CPDF_Point ptWord;
FX_FLOAT fAscent;
FX_FLOAT fDescent;
FX_FLOAT fWidth;
FX_INT32 nFontIndex;
FX_FLOAT fFontSize;
CPVT_WordProps WordProps;
};
struct CPVT_Line {
CPVT_Line() : ptLine(0, 0), fLineWidth(0.0f), fLineAscent(0.0f), fLineDescent(0.0f)
{
}
CPVT_WordPlace lineplace;
CPVT_WordPlace lineEnd;
CPDF_Point ptLine;
FX_FLOAT fLineWidth;
FX_FLOAT fLineAscent;
FX_FLOAT fLineDescent;
};
struct CPVT_Section {
CPVT_WordPlace secplace;
CPDF_Rect rcSection;
CPVT_SecProps SecProps;
CPVT_WordProps WordProps;
};
class IPDF_VariableText_Provider
{
public:
virtual ~IPDF_VariableText_Provider() { }
virtual FX_INT32 GetCharWidth(FX_INT32 nFontIndex, FX_WORD word, FX_INT32 nWordStyle) = 0;
virtual FX_INT32 GetTypeAscent(FX_INT32 nFontIndex) = 0;
virtual FX_INT32 GetTypeDescent(FX_INT32 nFontIndex) = 0;
virtual FX_INT32 GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex) = 0;
virtual FX_BOOL IsLatinWord(FX_WORD word) = 0;
virtual FX_INT32 GetDefaultFontIndex() = 0;
};
class IPDF_VariableText_Iterator
{
public:
virtual ~IPDF_VariableText_Iterator() { }
virtual FX_BOOL NextWord() = 0;
virtual FX_BOOL PrevWord() = 0;
virtual FX_BOOL NextLine() = 0;
virtual FX_BOOL PrevLine() = 0;
virtual FX_BOOL NextSection() = 0;
virtual FX_BOOL PrevSection() = 0;
virtual FX_BOOL GetWord(CPVT_Word & word) const = 0;
virtual FX_BOOL SetWord(const CPVT_Word & word) = 0;
virtual FX_BOOL GetLine(CPVT_Line & line) const = 0;
virtual FX_BOOL GetSection(CPVT_Section & section) const = 0;
virtual FX_BOOL SetSection(const CPVT_Section & section) = 0;
virtual void SetAt(FX_INT32 nWordIndex) = 0;
virtual void SetAt(const CPVT_WordPlace & place) = 0;
virtual const CPVT_WordPlace & GetAt() const = 0;
};
class IPDF_VariableText
{
public:
static IPDF_VariableText* NewVariableText();
static void DelVariableText(IPDF_VariableText* pVT);
virtual IPDF_VariableText_Provider* SetProvider(IPDF_VariableText_Provider * pProvider) = 0;
virtual IPDF_VariableText_Iterator* GetIterator() = 0;
virtual void SetPlateRect(const CPDF_Rect & rect) = 0;
virtual void SetAlignment(FX_INT32 nFormat = 0) = 0;
virtual void SetPasswordChar(FX_WORD wSubWord = '*') = 0;
virtual void SetLimitChar(FX_INT32 nLimitChar = 0) = 0;
virtual void SetCharArray(FX_INT32 nCharArray = 0) = 0;
virtual void SetCharSpace(FX_FLOAT fCharSpace = 0.0f) = 0;
virtual void SetHorzScale(FX_INT32 nHorzScale = 100) = 0;
virtual void SetMultiLine(FX_BOOL bMultiLine = TRUE) = 0;
virtual void SetAutoReturn(FX_BOOL bAuto = TRUE) = 0;
virtual void SetAutoFontSize(FX_BOOL bAuto = TRUE) = 0;
virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
virtual void SetLineLeading(FX_FLOAT fLineLeading) = 0;
virtual void SetRichText(FX_BOOL bRichText) = 0;
virtual void Initialize() = 0;
virtual FX_BOOL IsValid() const = 0;
virtual FX_BOOL IsRichText() const = 0;
virtual void RearrangeAll() = 0;
virtual void RearrangePart(const CPVT_WordRange & PlaceRange) = 0;
virtual void ResetAll() = 0;
virtual void SetText(FX_LPCWSTR text, FX_INT32 charset = 1, const CPVT_SecProps * pSecProps = NULL,
const CPVT_WordProps * pWordProps = NULL) = 0;
virtual CPVT_WordPlace InsertWord(const CPVT_WordPlace & place, FX_WORD word, FX_INT32 charset = 1,
const CPVT_WordProps * pWordProps = NULL) = 0;
virtual CPVT_WordPlace InsertSection(const CPVT_WordPlace & place, const CPVT_SecProps * pSecProps = NULL,
const CPVT_WordProps * pWordProps = NULL) = 0;
virtual CPVT_WordPlace InsertText(const CPVT_WordPlace & place, FX_LPCWSTR text, FX_INT32 charset = 1,
const CPVT_SecProps * pSecProps = NULL, const CPVT_WordProps * pWordProps = NULL) = 0;
virtual CPVT_WordPlace DeleteWords(const CPVT_WordRange & PlaceRange) = 0;
virtual CPVT_WordPlace DeleteWord(const CPVT_WordPlace & place) = 0;
virtual CPVT_WordPlace BackSpaceWord(const CPVT_WordPlace & place) = 0;
virtual const CPDF_Rect & GetPlateRect() const = 0;
virtual CPDF_Rect GetContentRect() const = 0;
virtual FX_INT32 GetTotalWords() const = 0;
virtual FX_FLOAT GetFontSize() const = 0;
virtual FX_INT32 GetAlignment() const = 0;
virtual FX_WORD GetPasswordChar() const = 0;
virtual FX_INT32 GetCharArray() const = 0;
virtual FX_INT32 GetLimitChar() const = 0;
virtual FX_BOOL IsMultiLine() const = 0;
virtual FX_INT32 GetHorzScale() const = 0;
virtual FX_FLOAT GetCharSpace() const = 0;
virtual CPVT_WordPlace GetBeginWordPlace() const = 0;
virtual CPVT_WordPlace GetEndWordPlace() const = 0;
virtual CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace SearchWordPlace(const CPDF_Point & point) const = 0;
virtual CPVT_WordPlace GetUpWordPlace(const CPVT_WordPlace & place, const CPDF_Point & point) const = 0;
virtual CPVT_WordPlace GetDownWordPlace(const CPVT_WordPlace & place, const CPDF_Point & point) const = 0;
virtual CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace & place) const = 0;
virtual void UpdateWordPlace(CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace AjustLineHeader(const CPVT_WordPlace & place, FX_BOOL bPrevOrNext) const = 0;
virtual FX_INT32 WordPlaceToWordIndex(const CPVT_WordPlace & place) const = 0;
virtual CPVT_WordPlace WordIndexToWordPlace(FX_INT32 index) const = 0;
protected:
~IPDF_VariableText() { }
};
#endif
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