diff options
Diffstat (limited to 'xfa/src/fxfa/app/xfa_textlayout.h')
| -rw-r--r-- | xfa/src/fxfa/app/xfa_textlayout.h | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/xfa/src/fxfa/app/xfa_textlayout.h b/xfa/src/fxfa/app/xfa_textlayout.h deleted file mode 100644 index 2d8d1bf15e..0000000000 --- a/xfa/src/fxfa/app/xfa_textlayout.h +++ /dev/null @@ -1,425 +0,0 @@ -// 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 XFA_SRC_FXFA_APP_XFA_TEXTLAYOUT_H_ -#define XFA_SRC_FXFA_APP_XFA_TEXTLAYOUT_H_ - -#include "xfa/src/fde/css/fde_css.h" -#include "xfa/src/fde/fde_brush.h" -#include "xfa/src/fde/fde_renderdevice.h" -#include "xfa/src/fgas/layout/fgas_rtfbreak.h" -#include "xfa/src/fxfa/app/xfa_ffdoc.h" -#include "xfa/src/fxfa/parser/xfa_object.h" - -#define XFA_LOADERCNTXTFLG_FILTERSPACE 0x001 - -class CXFA_Para; -class CXFA_Font; -class CXFA_TextTabstopsContext; - -class IXFA_TextProvider { - public: - virtual ~IXFA_TextProvider() {} - virtual CXFA_Node* GetTextNode(FX_BOOL& bRichText) = 0; - virtual CXFA_Para GetParaNode() = 0; - virtual CXFA_Font GetFontNode() = 0; - virtual FX_BOOL IsCheckButtonAndAutoWidth() = 0; - virtual CXFA_FFDoc* GetDocNode() = 0; - virtual FX_BOOL GetEmbbedObj(FX_BOOL bURI, - FX_BOOL bRaw, - const CFX_WideString& wsAttr, - CFX_WideString& wsValue) = 0; -}; - -class CXFA_CSSTagProvider : public IFDE_CSSTagProvider { - public: - CXFA_CSSTagProvider() : m_bTagAviliable(FALSE), m_bContent(FALSE) {} - virtual ~CXFA_CSSTagProvider(); - virtual CFX_WideStringC GetTagName() { return m_wsTagName; } - virtual FX_POSITION GetFirstAttribute() { - return m_Attributes.GetStartPosition(); - } - virtual void GetNextAttribute(FX_POSITION& pos, - CFX_WideStringC& wsAttr, - CFX_WideStringC& wsValue); - void SetTagNameObj(const CFX_WideString& wsName) { m_wsTagName = wsName; } - void SetAttribute(const CFX_WideString& wsAttr, - const CFX_WideString& wsValue); - FX_BOOL m_bTagAviliable; - FX_BOOL m_bContent; - - protected: - CFX_WideString m_wsTagName; - CFX_MapPtrToPtr m_Attributes; -}; - -class CXFA_TextParseContext : public CFX_Target { - public: - CXFA_TextParseContext() - : m_pParentStyle(nullptr), - m_ppMatchedDecls(nullptr), - m_dwMatchedDecls(0), - m_eDisplay(FDE_CSSDISPLAY_None) {} - ~CXFA_TextParseContext() { - if (m_pParentStyle) - m_pParentStyle->Release(); - FX_Free(m_ppMatchedDecls); - } - void SetDisplay(FDE_CSSDISPLAY eDisplay) { m_eDisplay = eDisplay; } - FDE_CSSDISPLAY GetDisplay() const { return m_eDisplay; } - void SetDecls(const IFDE_CSSDeclaration** ppDeclArray, int32_t iDeclCount); - const IFDE_CSSDeclaration** GetDecls() { - return (const IFDE_CSSDeclaration**)m_ppMatchedDecls; - } - FX_DWORD CountDecls() const { return m_dwMatchedDecls; } - IFDE_CSSComputedStyle* m_pParentStyle; - - protected: - IFDE_CSSDeclaration** m_ppMatchedDecls; - FX_DWORD m_dwMatchedDecls; - FDE_CSSDISPLAY m_eDisplay; -}; - -class CXFA_TextParser { - public: - CXFA_TextParser() : m_pAllocator(NULL), m_pSelector(NULL), m_pUASheet(NULL) {} - virtual ~CXFA_TextParser(); - void Reset(); - void DoParse(IFDE_XMLNode* pXMLContainer, IXFA_TextProvider* pTextProvider); - IFDE_CSSComputedStyle* CreateRootStyle(IXFA_TextProvider* pTextProvider); - IFDE_CSSComputedStyle* ComputeStyle(IFDE_XMLNode* pXMLNode, - IFDE_CSSComputedStyle* pParentStyle); - FX_BOOL IsParsed() const { return m_pAllocator != NULL; } - - int32_t GetVAlgin(IXFA_TextProvider* pTextProvider) const; - FX_FLOAT GetTabInterval(IFDE_CSSComputedStyle* pStyle) const; - int32_t CountTabs(IFDE_CSSComputedStyle* pStyle) const; - FX_BOOL IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const; - FX_BOOL GetTabstops(IFDE_CSSComputedStyle* pStyle, - CXFA_TextTabstopsContext* pTabstopContext); - IFX_Font* GetFont(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - FX_FLOAT GetFontSize(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - int32_t GetHorScale(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - IFDE_XMLNode* pXMLNode) const; - int32_t GetVerScale(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - void GetUnderline(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - int32_t& iUnderline, - int32_t& iPeriod) const; - void GetLinethrough(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - int32_t& iLinethrough) const; - FX_ARGB GetColor(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - FX_FLOAT GetBaseline(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - FX_FLOAT GetLineHeight(IXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - FX_BOOL bFirst, - FX_FLOAT fVerScale) const; - FX_BOOL GetEmbbedObj(IXFA_TextProvider* pTextProvider, - IFDE_XMLNode* pXMLNode, - CFX_WideString& wsValue); - CXFA_TextParseContext* GetParseContextFromMap(IFDE_XMLNode* pXMLNode); - - private: - void InitCSSData(IXFA_TextProvider* pTextProvider); - void ParseRichText(IFDE_XMLNode* pXMLNode, - IFDE_CSSComputedStyle* pParentStyle); - void ParseTagInfo(IFDE_XMLNode* pXMLNode, CXFA_CSSTagProvider& tagProvider); - IFDE_CSSStyleSheet* LoadDefaultSheetStyle(); - IFDE_CSSComputedStyle* CreateStyle(IFDE_CSSComputedStyle* pParentStyle); - IFX_MEMAllocator* m_pAllocator; - IFDE_CSSStyleSelector* m_pSelector; - IFDE_CSSStyleSheet* m_pUASheet; - CFX_MapPtrTemplate<IFDE_XMLNode*, CXFA_TextParseContext*> - m_mapXMLNodeToParseContext; -}; - -class CXFA_LoaderContext { - public: - CXFA_LoaderContext() - : m_bSaveLineHeight(FALSE), - m_fWidth(0), - m_fHeight(0), - m_fLastPos(0), - m_fStartLineOffset(0), - m_iChar(0), - m_iTotalLines(-1), - m_pXMLNode(NULL), - m_pNode(NULL), - m_pParentStyle(NULL), - m_dwFlags(0) {} - FX_BOOL m_bSaveLineHeight; - FX_FLOAT m_fWidth; - FX_FLOAT m_fHeight; - FX_FLOAT m_fLastPos; - FX_FLOAT m_fStartLineOffset; - int32_t m_iChar; - int32_t m_iLines; - int32_t m_iTotalLines; - IFDE_XMLNode* m_pXMLNode; - CXFA_Node* m_pNode; - IFDE_CSSComputedStyle* m_pParentStyle; - CFX_ArrayTemplate<FX_FLOAT> m_lineHeights; - FX_DWORD m_dwFlags; - CFX_FloatArray m_BlocksHeight; -}; - -class CXFA_LinkUserData : public IFX_Unknown, public CFX_Target { - public: - CXFA_LinkUserData(IFX_MEMAllocator* pAllocator, FX_WCHAR* pszText) - : m_pAllocator(pAllocator), m_dwRefCount(1) { - m_pszURLContent = pszText; - } - ~CXFA_LinkUserData() {} - virtual FX_DWORD Release() { - FX_DWORD dwRefCount = --m_dwRefCount; - if (dwRefCount <= 0) { - FXTARGET_DeleteWith(CXFA_LinkUserData, m_pAllocator, this); - } - return dwRefCount; - } - virtual FX_DWORD AddRef() { return ++m_dwRefCount; } - - public: - const FX_WCHAR* GetLinkURL() { return m_pszURLContent; } - - protected: - IFX_MEMAllocator* m_pAllocator; - FX_DWORD m_dwRefCount; - CFX_WideString m_pszURLContent; -}; - -class CXFA_TextUserData : public IFX_Unknown, public CFX_Target { - public: - CXFA_TextUserData(IFX_MEMAllocator* pAllocator, IFDE_CSSComputedStyle* pStyle) - : m_pStyle(pStyle), - m_pLinkData(nullptr), - m_pAllocator(pAllocator), - m_dwRefCount(0) { - FXSYS_assert(m_pAllocator); - if (m_pStyle) - m_pStyle->AddRef(); - } - CXFA_TextUserData(IFX_MEMAllocator* pAllocator, - IFDE_CSSComputedStyle* pStyle, - CXFA_LinkUserData* pLinkData) - : m_pStyle(pStyle), - m_pLinkData(pLinkData), - m_pAllocator(pAllocator), - m_dwRefCount(0) { - FXSYS_assert(m_pAllocator); - if (m_pStyle) - m_pStyle->AddRef(); - } - ~CXFA_TextUserData() { - if (m_pStyle) - m_pStyle->Release(); - if (m_pLinkData) - m_pLinkData->Release(); - } - virtual FX_DWORD Release() { - FX_DWORD dwRefCount = --m_dwRefCount; - if (dwRefCount == 0) { - FXTARGET_DeleteWith(CXFA_TextUserData, m_pAllocator, this); - } - return dwRefCount; - } - virtual FX_DWORD AddRef() { return ++m_dwRefCount; } - - IFDE_CSSComputedStyle* m_pStyle; - CXFA_LinkUserData* m_pLinkData; - - protected: - IFX_MEMAllocator* m_pAllocator; - FX_DWORD m_dwRefCount; -}; - -class XFA_TextPiece : public CFX_Target { - public: - XFA_TextPiece() : pszText(nullptr), pFont(nullptr), pLinkData(nullptr) {} - ~XFA_TextPiece() { - if (pLinkData) - pLinkData->Release(); - } - - FX_WCHAR* pszText; - int32_t iChars; - int32_t* pWidths; - int32_t iHorScale; - int32_t iVerScale; - int32_t iBidiLevel; - int32_t iUnderline; - int32_t iPeriod; - int32_t iLineThrough; - IFX_Font* pFont; - FX_ARGB dwColor; - FX_FLOAT fFontSize; - CFX_RectF rtPiece; - CXFA_LinkUserData* pLinkData; -}; -typedef CFX_ArrayTemplate<XFA_TextPiece*> CXFA_PieceArray; - -class CXFA_PieceLine : public CFX_Target { - public: - CXFA_PieceLine() {} - CXFA_PieceArray m_textPieces; - CFX_Int32Array m_charCounts; -}; -typedef CFX_ArrayTemplate<CXFA_PieceLine*> CXFA_PieceLineArray; - -struct XFA_TABSTOPS { - FX_DWORD dwAlign; - FX_FLOAT fTabstops; -}; - -class CXFA_TextTabstopsContext { - public: - CXFA_TextTabstopsContext() - : m_iTabCount(0), - m_iTabIndex(-1), - m_bTabstops(FALSE), - m_fTabWidth(0), - m_fLeft(0) {} - void Append(FX_DWORD dwAlign, FX_FLOAT fTabstops) { - int32_t i = 0; - for (i = 0; i < m_iTabCount; i++) { - XFA_TABSTOPS* pTabstop = m_tabstops.GetDataPtr(i); - if (fTabstops < pTabstop->fTabstops) { - break; - } - } - m_tabstops.InsertSpaceAt(i, 1); - XFA_TABSTOPS tabstop; - tabstop.dwAlign = dwAlign; - tabstop.fTabstops = fTabstops; - m_tabstops.SetAt(i, tabstop); - m_iTabCount++; - } - void RemoveAll() { - m_tabstops.RemoveAll(); - m_iTabCount = 0; - } - void Reset() { - m_iTabIndex = -1; - m_bTabstops = FALSE; - m_fTabWidth = 0; - m_fLeft = 0; - } - CFX_ArrayTemplate<XFA_TABSTOPS> m_tabstops; - int32_t m_iTabCount; - int32_t m_iTabIndex; - FX_BOOL m_bTabstops; - FX_FLOAT m_fTabWidth; - FX_FLOAT m_fLeft; -}; - -class CXFA_TextLayout { - public: - CXFA_TextLayout(IXFA_TextProvider* pTextProvider); - virtual ~CXFA_TextLayout(); - int32_t GetText(CFX_WideString& wsText); - FX_FLOAT GetLayoutHeight(); - FX_FLOAT StartLayout(FX_FLOAT fWidth = -1); - FX_BOOL DoLayout(int32_t iBlockIndex, - FX_FLOAT& fCalcHeight, - FX_FLOAT fContentAreaHeight = -1, - FX_FLOAT fTextHeight = -1); - - FX_BOOL CalcSize(const CFX_SizeF& minSize, - const CFX_SizeF& maxSize, - CFX_SizeF& defaultSize); - FX_BOOL Layout(const CFX_SizeF& size, FX_FLOAT* fHeight = NULL); - void ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex); - FX_BOOL DrawString(CFX_RenderDevice* pFxDevice, - const CFX_Matrix& tmDoc2Device, - const CFX_RectF& rtClip, - int32_t iBlock = 0); - FX_BOOL IsLoaded() const { return m_pieceLines.GetSize() > 0; } - void Unload(); - const CXFA_PieceLineArray* GetPieceLines(); - - FX_BOOL m_bHasBlock; - CFX_Int32Array m_Blocks; - - private: - void GetTextDataNode(); - IFDE_XMLNode* GetXMLContainerNode(); - IFX_RTFBreak* CreateBreak(FX_BOOL bDefault); - void InitBreak(FX_FLOAT fLineWidth); - void InitBreak(IFDE_CSSComputedStyle* pStyle, - FDE_CSSDISPLAY eDisplay, - FX_FLOAT fLineWidth, - IFDE_XMLNode* pXMLNode, - IFDE_CSSComputedStyle* pParentStyle = NULL); - FX_BOOL Loader(const CFX_SizeF& szText, - FX_FLOAT& fLinePos, - FX_BOOL bSavePieces = TRUE); - void LoadText(CXFA_Node* pNode, - const CFX_SizeF& szText, - FX_FLOAT& fLinePos, - FX_BOOL bSavePieces); - FX_BOOL LoadRichText(IFDE_XMLNode* pXMLNode, - const CFX_SizeF& szText, - FX_FLOAT& fLinePos, - IFDE_CSSComputedStyle* pParentStyle, - FX_BOOL bSavePieces, - CXFA_LinkUserData* pLinkData = NULL, - FX_BOOL bEndBreak = TRUE, - FX_BOOL bIsOl = FALSE, - int32_t iLiCount = 0); - FX_BOOL AppendChar(const CFX_WideString& wsText, - FX_FLOAT& fLinePos, - FX_FLOAT fSpaceAbove, - FX_BOOL bSavePieces); - void AppendTextLine(FX_DWORD dwStatus, - FX_FLOAT& fLinePos, - FX_BOOL bSavePieces, - FX_BOOL bEndBreak = FALSE); - void EndBreak(FX_DWORD dwStatus, FX_FLOAT& fLinePos, FX_BOOL bDefault); - FX_BOOL IsEnd(FX_BOOL bSavePieces); - void ProcessText(CFX_WideString& wsText); - void UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom); - void RenderString(IFDE_RenderDevice* pDevice, - IFDE_SolidBrush* pBrush, - CXFA_PieceLine* pPieceLine, - int32_t iPiece, - FXTEXT_CHARPOS* pCharPos, - const CFX_Matrix& tmDoc2Device); - void RenderPath(IFDE_RenderDevice* pDevice, - IFDE_Pen* pPen, - CXFA_PieceLine* pPieceLine, - int32_t iPiece, - FXTEXT_CHARPOS* pCharPos, - const CFX_Matrix& tmDoc2Device); - int32_t GetDisplayPos(const XFA_TextPiece* pPiece, - FXTEXT_CHARPOS* pCharPos, - FX_BOOL bCharCode = FALSE); - FX_BOOL ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ& tr); - void DoTabstops(IFDE_CSSComputedStyle* pStyle, CXFA_PieceLine* pPieceLine); - FX_BOOL Layout(int32_t iBlock); - int32_t CountBlocks() const; - - IXFA_TextProvider* m_pTextProvider; - CXFA_Node* m_pTextDataNode; - FX_BOOL m_bRichText; - IFX_MEMAllocator* m_pAllocator; - IFX_RTFBreak* m_pBreak; - CXFA_LoaderContext* m_pLoader; - int32_t m_iLines; - FX_FLOAT m_fMaxWidth; - CXFA_TextParser m_textParser; - CXFA_PieceLineArray m_pieceLines; - CXFA_TextTabstopsContext* m_pTabstopContext; - FX_BOOL m_bBlockContinue; -}; - -#endif // XFA_SRC_FXFA_APP_XFA_TEXTLAYOUT_H_ |