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Diffstat (limited to 'xfa/fee/fde_txtedtpage.h')
| -rw-r--r-- | xfa/fee/fde_txtedtpage.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/xfa/fee/fde_txtedtpage.h b/xfa/fee/fde_txtedtpage.h new file mode 100644 index 0000000000..66c4c49282 --- /dev/null +++ b/xfa/fee/fde_txtedtpage.h @@ -0,0 +1,168 @@ +// 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_FEE_FDE_TXTEDTPAGE_H_ +#define XFA_FEE_FDE_TXTEDTPAGE_H_ + +#include "core/include/fxcrt/fx_coordinates.h" +#include "core/include/fxcrt/fx_string.h" +#include "xfa/fde/fde_visualset.h" +#include "xfa/fee/ifde_txtedtpage.h" +#include "xfa/fgas/crt/fgas_utils.h" + +class IFX_CharIter; +class CFDE_TxtEdtEngine; +class CFDE_TxtEdtPage; +class CFDE_TxtEdtParag; + +enum FDE_TXTEDT_CHARTYPE { + FDE_TXTEDT_CHARTYPE_Unknown = 0, + FDE_TXTEDT_CHARTYPE_Tab, + FDE_TXTEDT_CHARTYPE_Space, + FDE_TXTEDT_CHARTYPE_Punctuation, + FDE_TXTEDT_CHARTYPE_LineBreak, + FDE_TXTEDT_CHARTYPE_Number, + FDE_TXTEDT_CHARTYPE_Char, + FDE_TXTEDT_CHARTYPE_CJK, +}; + +inline FDE_TXTEDT_CHARTYPE FDE_GetEditSelCharType(FX_WCHAR wChar) { + if (wChar == 0x9) { + return FDE_TXTEDT_CHARTYPE_Tab; + } else if (wChar == 0x20 || wChar == 0xA0) { + return FDE_TXTEDT_CHARTYPE_Space; + } else if (wChar == 0x9 || wChar == 0x20 || wChar == 0xA0 || + (wChar >= L'!' && wChar <= L'/') || + (wChar >= L':' && wChar <= L'@') || + (wChar >= L'[' && wChar <= L'^') || + (wChar >= L'{' && wChar <= L'~') || wChar == 0x60) { + return FDE_TXTEDT_CHARTYPE_Punctuation; + } else if (wChar == 0x0a || wChar == 0x0d) { + return FDE_TXTEDT_CHARTYPE_LineBreak; + } else if (wChar >= '0' && wChar <= '9') { + return FDE_TXTEDT_CHARTYPE_Number; + } else if ((wChar >= 0x2e80 && wChar <= 0x2eff) || + (wChar >= 0x3000 && wChar <= 0x303f) || + (wChar >= 0x31c0 && wChar <= 0x31ef) || + (wChar >= 0x3200 && wChar <= 0x32ff) || + (wChar >= 0x3300 && wChar <= 0x33ff) || + (wChar >= 0x3400 && wChar <= 0x4dbf) || + (wChar >= 0x4e00 && wChar <= 0x9fff) || + (wChar >= 0xf900 && wChar <= 0xfaff) || + (wChar >= 0xfe30 && wChar <= 0xfe4f)) { + return FDE_TXTEDT_CHARTYPE_CJK; + } else { + return FDE_TXTEDT_CHARTYPE_Char; + } +} + +struct FDE_TEXTEDITPIECE { + int32_t nStart; + int32_t nCount; + int32_t nBidiLevel; + CFX_RectF rtPiece; + FX_DWORD dwCharStyles; +}; +typedef CFX_MassArrayTemplate<FDE_TEXTEDITPIECE> CFDE_TXTEDTPieceMassArray; + +class CFDE_TxtEdtTextSet : public IFDE_TextSet { + public: + CFDE_TxtEdtTextSet(CFDE_TxtEdtPage* pPage); + ~CFDE_TxtEdtTextSet(); + + virtual FDE_VISUALOBJTYPE GetType(); + virtual FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox); + virtual FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix); + virtual FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); + virtual FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); + virtual int32_t GetString(FDE_HVISUALOBJ hText, CFX_WideString& wsText); + virtual IFX_Font* GetFont(FDE_HVISUALOBJ hText); + virtual FX_FLOAT GetFontSize(FDE_HVISUALOBJ hText); + virtual FX_ARGB GetFontColor(FDE_HVISUALOBJ hText); + virtual int32_t GetDisplayPos(FDE_HVISUALOBJ hText, + FXTEXT_CHARPOS* pCharPos, + FX_BOOL bCharCode = FALSE, + CFX_WideString* pWSForms = NULL); + virtual int32_t GetCharRects(FDE_HVISUALOBJ hText, CFX_RectFArray& rtArray); + virtual int32_t GetCharRects_Impl(FDE_HVISUALOBJ hText, + CFX_RectFArray& rtArray, + FX_BOOL bBBox = FALSE); + + private: + CFDE_TxtEdtPage* m_pPage; +}; + +class CFDE_TxtEdtPage : public IFDE_TxtEdtPage { + public: + CFDE_TxtEdtPage(IFDE_TxtEdtEngine* pEngine, int32_t nLineIndex); + + // IFDE_TxtEditPage: + void Release() override; + IFDE_TxtEdtEngine* GetEngine() const override; + int32_t GetCharRect(int32_t nIndex, + CFX_RectF& rect, + FX_BOOL bBBox = FALSE) const override; + int32_t GetCharIndex(const CFX_PointF& fPoint, FX_BOOL& bBefore) override; + void CalcRangeRectArray(int32_t nStart, + int32_t nCount, + CFX_RectFArray& RectFArr) const override; + int32_t SelectWord(const CFX_PointF& fPoint, int32_t& nCount) override; + int32_t GetCharStart() const override; + int32_t GetCharCount() const override; + int32_t GetDisplayPos(const CFX_RectF& rtClip, + FXTEXT_CHARPOS*& pCharPos, + CFX_RectF* pBBox) const override; + FX_BOOL IsLoaded(const CFX_RectF* pClipBox) override; + int32_t LoadPage(const CFX_RectF* pClipBox, IFX_Pause* pPause) override; + void UnloadPage(const CFX_RectF* pClipBox) override; + const CFX_RectF& GetContentsBox() override; + + // IFDE_VisualSet: + FDE_VISUALOBJTYPE GetType() override; + FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox) override; + FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix) override; + FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) override; + FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) override; + + // IFDE_CanvasSet: + FX_POSITION GetFirstPosition(FDE_HVISUALOBJ hCanvas) override; + FDE_HVISUALOBJ GetNext(FDE_HVISUALOBJ hCanvas, + FX_POSITION& pos, + IFDE_VisualSet*& pVisualSet) override; + FDE_HVISUALOBJ GetParentCanvas(FDE_HVISUALOBJ hCanvas, + IFDE_VisualSet*& pVisualSet) override; + + // IFX_TxtAccess: + FX_WCHAR GetChar(void* pIdentity, int32_t index) const override; + int32_t GetWidth(void* pIdentity, int32_t index) const override; + + protected: + virtual ~CFDE_TxtEdtPage(); + + private: + void NormalizePt2Rect(CFX_PointF& ptF, + const CFX_RectF& rtF, + FX_FLOAT fTolerance) const; + + IFX_CharIter* m_pIter; + CFDE_TxtEdtTextSet* m_pTextSet; + CFDE_TxtEdtEngine* m_pEditEngine; + CFDE_TXTEDTPieceMassArray m_PieceMassArr; + CFDE_TxtEdtParag* m_pBgnParag; + CFDE_TxtEdtParag* m_pEndParag; + int32_t m_nRefCount; + int32_t m_nPageStart; + int32_t m_nCharCount; + int32_t m_nPageIndex; + FX_BOOL m_bLoaded; + CFX_RectF m_rtPage; + CFX_RectF m_rtPageMargin; + CFX_RectF m_rtPageContents; + CFX_RectF m_rtPageCanvas; + int32_t* m_pCharWidth; +}; + +#endif // XFA_FEE_FDE_TXTEDTPAGE_H_ |