diff options
Diffstat (limited to 'xfa/src/fde/tto/fde_textout.cpp')
| -rw-r--r-- | xfa/src/fde/tto/fde_textout.cpp | 1120 |
1 files changed, 1120 insertions, 0 deletions
diff --git a/xfa/src/fde/tto/fde_textout.cpp b/xfa/src/fde/tto/fde_textout.cpp new file mode 100644 index 0000000000..fc3e4ab24b --- /dev/null +++ b/xfa/src/fde/tto/fde_textout.cpp @@ -0,0 +1,1120 @@ +// 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 + +#include "xfa/src/fde/tto/fde_textout.h" + +#include <algorithm> + +#include "core/include/fxcrt/fx_coordinates.h" +#include "core/include/fxcrt/fx_system.h" +#include "xfa/src/fde/fde_brush.h" +#include "xfa/src/fde/fde_pen.h" +#include "xfa/src/fde/fde_renderdevice.h" +#include "xfa/src/fgas/crt/fgas_memory.h" +#include "xfa/src/fgas/crt/fgas_utils.h" +#include "xfa/src/fgas/layout/fgas_textbreak.h" + +namespace { + +struct FDE_TTOPIECE { + public: + int32_t iStartChar; + int32_t iChars; + FX_DWORD dwCharStyles; + CFX_RectF rtPiece; +}; +typedef FDE_TTOPIECE* FDE_LPTTOPIECE; +typedef CFX_MassArrayTemplate<FDE_TTOPIECE> CFDE_TTOPieceArray; + +class CFDE_TTOLine : public CFX_Target { + public: + CFDE_TTOLine(); + CFDE_TTOLine(const CFDE_TTOLine& ttoLine); + ~CFDE_TTOLine(); + int32_t AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece); + int32_t GetSize() const; + FDE_LPTTOPIECE GetPtrAt(int32_t index); + void RemoveLast(int32_t iCount); + void RemoveAll(FX_BOOL bLeaveMemory); + FX_BOOL m_bNewReload; + CFDE_TTOPieceArray m_pieces; + + protected: + int32_t m_iPieceCount; +}; +typedef CFX_ObjectMassArrayTemplate<CFDE_TTOLine> CFDE_TTOLineArray; + +class CFDE_TextOut : public IFDE_TextOut, public CFX_Target { + public: + CFDE_TextOut(); + ~CFDE_TextOut(); + virtual void Release() { delete this; } + virtual void SetFont(IFX_Font* pFont); + virtual void SetFontSize(FX_FLOAT fFontSize); + virtual void SetTextColor(FX_ARGB color); + virtual void SetStyles(FX_DWORD dwStyles); + virtual void SetTabWidth(FX_FLOAT fTabWidth); + virtual void SetEllipsisString(const CFX_WideString& wsEllipsis); + virtual void SetParagraphBreakChar(FX_WCHAR wch); + virtual void SetAlignment(int32_t iAlignment); + virtual void SetLineSpace(FX_FLOAT fLineSpace); + virtual void SetDIBitmap(CFX_DIBitmap* pDIB); + virtual void SetRenderDevice(CFX_RenderDevice* pDevice); + virtual void SetClipRect(const CFX_Rect& rtClip); + virtual void SetClipRect(const CFX_RectF& rtClip); + virtual void SetMatrix(const CFX_Matrix& matrix); + virtual void SetLineBreakTolerance(FX_FLOAT fTolerance); + virtual void CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_Size& size); + virtual void CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_SizeF& size); + virtual void CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_Rect& rect); + virtual void CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_RectF& rect); + + virtual void DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + int32_t x, + int32_t y); + virtual void DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + FX_FLOAT x, + FX_FLOAT y); + virtual void DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_Rect& rect); + virtual void DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect); + + virtual void SetLogicClipRect(const CFX_RectF& rtClip); + virtual void CalcLogicSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_SizeF& size); + virtual void CalcLogicSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_RectF& rect); + virtual void DrawLogicText(const FX_WCHAR* pwsStr, + int32_t iLength, + FX_FLOAT x, + FX_FLOAT y); + virtual void DrawLogicText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect); + virtual int32_t GetTotalLines(); + + protected: + void CalcTextSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect); + FX_BOOL RetrieveLineWidth(FX_DWORD dwBreakStatus, + FX_FLOAT& fStartPos, + FX_FLOAT& fWidth, + FX_FLOAT& fHeight); + void SetLineWidth(CFX_RectF& rect); + void DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect, + const CFX_RectF& rtClip); + void LoadText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect); + void LoadEllipsis(); + void ExpandBuffer(int32_t iSize, int32_t iType); + void RetrieveEllPieces(int32_t*& pCharWidths); + + void Reload(const CFX_RectF& rect); + void ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect); + FX_BOOL RetriecePieces(FX_DWORD dwBreakStatus, + int32_t& iStartChar, + int32_t& iPieceWidths, + FX_BOOL bReload, + const CFX_RectF& rect); + void AppendPiece(const FDE_TTOPIECE& ttoPiece, + FX_BOOL bNeedReload, + FX_BOOL bEnd); + void ReplaceWidthEllipsis(); + void DoAlignment(const CFX_RectF& rect); + void OnDraw(const CFX_RectF& rtClip); + int32_t GetDisplayPos(FDE_LPTTOPIECE pPiece); + int32_t GetCharRects(FDE_LPTTOPIECE pPiece); + + void ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr); + void DrawLine(const FDE_LPTTOPIECE pPiece, IFDE_Pen*& pPen); + + IFX_TxtBreak* m_pTxtBreak; + IFX_Font* m_pFont; + FX_FLOAT m_fFontSize; + FX_FLOAT m_fLineSpace; + FX_FLOAT m_fLinePos; + FX_FLOAT m_fTolerance; + int32_t m_iAlignment; + int32_t m_iTxtBkAlignment; + int32_t* m_pCharWidths; + int32_t m_iChars; + int32_t* m_pEllCharWidths; + int32_t m_iEllChars; + FX_WCHAR m_wParagraphBkChar; + FX_ARGB m_TxtColor; + FX_DWORD m_dwStyles; + FX_DWORD m_dwTxtBkStyles; + CFX_WideString m_wsEllipsis; + FX_BOOL m_bElliChanged; + int32_t m_iEllipsisWidth; + CFX_WideString m_wsText; + CFX_RectF m_rtClip; + CFX_RectF m_rtLogicClip; + CFX_Matrix m_Matrix; + CFDE_TTOLineArray m_ttoLines; + int32_t m_iCurLine; + int32_t m_iCurPiece; + int32_t m_iTotalLines; + FXTEXT_CHARPOS* m_pCharPos; + int32_t m_iCharPosSize; + IFDE_RenderDevice* m_pRenderDevice; + CFX_Int32Array m_hotKeys; + CFX_RectFArray m_rectArray; +}; + +} // namespace + +IFDE_TextOut* IFDE_TextOut::Create() { + return new CFDE_TextOut; +} +CFDE_TextOut::CFDE_TextOut() + : m_pFont(NULL), + m_fFontSize(12.0f), + m_fLineSpace(m_fFontSize), + m_fLinePos(0.0f), + m_fTolerance(0.0f), + m_iAlignment(0), + m_iTxtBkAlignment(0), + m_pCharWidths(NULL), + m_iChars(0), + m_pEllCharWidths(NULL), + m_iEllChars(0), + m_wParagraphBkChar(L'\n'), + m_TxtColor(0xFF000000), + m_dwStyles(0), + m_dwTxtBkStyles(0), + m_bElliChanged(FALSE), + m_iEllipsisWidth(0), + m_ttoLines(5), + m_iCurLine(0), + m_iCurPiece(0), + m_iTotalLines(0), + m_pCharPos(NULL), + m_iCharPosSize(0), + m_pRenderDevice(NULL) { + m_pTxtBreak = IFX_TxtBreak::Create(FX_TXTBREAKPOLICY_None); + FXSYS_assert(m_pTxtBreak != NULL); + m_Matrix.SetIdentity(); + m_rtClip.Reset(); + m_rtLogicClip.Reset(); +} +CFDE_TextOut::~CFDE_TextOut() { + if (m_pTxtBreak) { + m_pTxtBreak->Release(); + } + FX_Free(m_pCharWidths); + FX_Free(m_pEllCharWidths); + if (m_pRenderDevice) { + m_pRenderDevice->Release(); + } + FX_Free(m_pCharPos); + m_ttoLines.RemoveAll(); +} +void CFDE_TextOut::SetFont(IFX_Font* pFont) { + FXSYS_assert(pFont); + m_pFont = pFont; + m_pTxtBreak->SetFont(pFont); +} +void CFDE_TextOut::SetFontSize(FX_FLOAT fFontSize) { + FXSYS_assert(fFontSize > 0); + m_fFontSize = fFontSize; + m_pTxtBreak->SetFontSize(fFontSize); +} +void CFDE_TextOut::SetTextColor(FX_ARGB color) { + m_TxtColor = color; +} +void CFDE_TextOut::SetStyles(FX_DWORD dwStyles) { + m_dwStyles = dwStyles; + m_dwTxtBkStyles = 0; + if (dwStyles & FDE_TTOSTYLE_SingleLine) { + m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_SingleLine; + } + if (dwStyles & FDE_TTOSTYLE_ExpandTab) { + m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_ExpandTab; + } + if (dwStyles & FDE_TTOSTYLE_ArabicShapes) { + m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_ArabicShapes; + } + if (dwStyles & FDE_TTOSTYLE_RTL) { + m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_RTLReadingOrder; + } + if (dwStyles & FDE_TTOSTYLE_ArabicContext) { + m_dwTxtBkStyles |= FX_TXTLAYOUTSTYLE_ArabicContext; + } + if (dwStyles & FDE_TTOSTYLE_VerticalLayout) { + m_dwTxtBkStyles |= + (FX_TXTLAYOUTSTYLE_VerticalChars | FX_TXTLAYOUTSTYLE_VerticalLayout); + } + m_pTxtBreak->SetLayoutStyles(m_dwTxtBkStyles); +} +void CFDE_TextOut::SetTabWidth(FX_FLOAT fTabWidth) { + FXSYS_assert(fTabWidth > 1.0f); + m_pTxtBreak->SetTabWidth(fTabWidth, FALSE); +} +void CFDE_TextOut::SetEllipsisString(const CFX_WideString& wsEllipsis) { + m_bElliChanged = TRUE; + m_wsEllipsis = wsEllipsis; +} +void CFDE_TextOut::SetParagraphBreakChar(FX_WCHAR wch) { + m_wParagraphBkChar = wch; + m_pTxtBreak->SetParagraphBreakChar(wch); +} +void CFDE_TextOut::SetAlignment(int32_t iAlignment) { + m_iAlignment = iAlignment; + switch (m_iAlignment) { + case FDE_TTOALIGNMENT_TopCenter: + case FDE_TTOALIGNMENT_Center: + case FDE_TTOALIGNMENT_BottomCenter: + m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Center; + break; + case FDE_TTOALIGNMENT_TopRight: + case FDE_TTOALIGNMENT_CenterRight: + case FDE_TTOALIGNMENT_BottomRight: + m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Right; + break; + default: + m_iTxtBkAlignment = FX_TXTLINEALIGNMENT_Left; + break; + } + m_pTxtBreak->SetAlignment(m_iTxtBkAlignment); +} +void CFDE_TextOut::SetLineSpace(FX_FLOAT fLineSpace) { + FXSYS_assert(fLineSpace > 1.0f); + m_fLineSpace = fLineSpace; +} +void CFDE_TextOut::SetDIBitmap(CFX_DIBitmap* pDIB) { + FXSYS_assert(pDIB != NULL); + if (m_pRenderDevice != NULL) { + m_pRenderDevice->Release(); + } + m_pRenderDevice = IFDE_RenderDevice::Create(pDIB); +} +void CFDE_TextOut::SetRenderDevice(CFX_RenderDevice* pDevice) { + FXSYS_assert(pDevice != NULL); + if (m_pRenderDevice != NULL) { + m_pRenderDevice->Release(); + } + m_pRenderDevice = IFDE_RenderDevice::Create(pDevice); +} +void CFDE_TextOut::SetClipRect(const CFX_Rect& rtClip) { + m_rtClip.Set((FX_FLOAT)rtClip.left, (FX_FLOAT)rtClip.top, + (FX_FLOAT)rtClip.Width(), (FX_FLOAT)rtClip.Height()); +} +void CFDE_TextOut::SetClipRect(const CFX_RectF& rtClip) { + m_rtClip = rtClip; +} +void CFDE_TextOut::SetLogicClipRect(const CFX_RectF& rtClip) { + m_rtLogicClip = rtClip; +} +void CFDE_TextOut::SetMatrix(const CFX_Matrix& matrix) { + m_Matrix = matrix; +} +void CFDE_TextOut::SetLineBreakTolerance(FX_FLOAT fTolerance) { + m_fTolerance = fTolerance; + m_pTxtBreak->SetLineBreakTolerance(m_fTolerance); +} +int32_t CFDE_TextOut::GetTotalLines() { + return m_iTotalLines; +} +void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_Size& size) { + CFX_RectF rtText; + rtText.Set(0.0f, 0.0f, (FX_FLOAT)size.x, (FX_FLOAT)size.y); + CalcSize(pwsStr, iLength, rtText); + size.x = (int32_t)rtText.Width(); + size.y = (int32_t)rtText.Height(); +} +void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_SizeF& size) { + CFX_RectF rtText; + rtText.Set(0.0f, 0.0f, size.x, size.y); + CalcSize(pwsStr, iLength, rtText); + size.x = rtText.Width(); + size.y = rtText.Height(); +} +void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_Rect& rect) { + CFX_RectF rtText; + rtText.Set((FX_FLOAT)rect.left, (FX_FLOAT)rect.top, (FX_FLOAT)rect.Width(), + (FX_FLOAT)rect.Height()); + CalcSize(pwsStr, iLength, rtText); + rect.Set((int32_t)rtText.left, (int32_t)rtText.top, (int32_t)rtText.Width(), + (int32_t)rtText.Height()); +} +void CFDE_TextOut::CalcSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_RectF& rect) { + if (pwsStr == NULL || iLength < 1) { + rect.width = 0.0f; + rect.height = 0.0f; + } else { + CFX_Matrix rm; + rm.SetReverse(m_Matrix); + rm.TransformRect(rect); + CalcTextSize(pwsStr, iLength, rect); + m_Matrix.TransformRect(rect); + } +} +void CFDE_TextOut::CalcLogicSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_SizeF& size) { + CFX_RectF rtText; + rtText.Set(0.0f, 0.0f, size.x, size.y); + CalcLogicSize(pwsStr, iLength, rtText); + size.x = rtText.Width(); + size.y = rtText.Height(); +} +void CFDE_TextOut::CalcLogicSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_RectF& rect) { + if (pwsStr == NULL || iLength < 1) { + rect.width = 0.0f; + rect.height = 0.0f; + } else { + CalcTextSize(pwsStr, iLength, rect); + } +} +void CFDE_TextOut::CalcTextSize(const FX_WCHAR* pwsStr, + int32_t iLength, + CFX_RectF& rect) { + FXSYS_assert(m_pFont != NULL && m_fFontSize >= 1.0f); + SetLineWidth(rect); + m_iTotalLines = 0; + const FX_WCHAR* pStr = pwsStr; + FX_BOOL bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); + FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); + FX_FLOAT fWidth = 0.0f; + FX_FLOAT fHeight = 0.0f; + FX_FLOAT fStartPos = bVertical ? rect.bottom() : rect.right(); + FX_DWORD dwBreakStatus = 0; + FX_WCHAR wPreChar = 0; + FX_WCHAR wch; + FX_WCHAR wBreak = 0; + while (iLength-- > 0) { + wch = *pStr++; + if (wBreak == 0 && (wch == L'\n' || wch == L'\r')) { + wBreak = wch; + m_pTxtBreak->SetParagraphBreakChar(wch); + } + if (bHotKey && wch == L'&' && wPreChar != L'&') { + wPreChar = wch; + continue; + } + dwBreakStatus = m_pTxtBreak->AppendChar(wch); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + RetrieveLineWidth(dwBreakStatus, fStartPos, fWidth, fHeight); + } + wPreChar = 0; + } + dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + RetrieveLineWidth(dwBreakStatus, fStartPos, fWidth, fHeight); + } + m_pTxtBreak->Reset(); + FX_FLOAT fInc = rect.Height() - fHeight; + if (bVertical) { + fInc = rect.Width() - fHeight; + } + if (m_iAlignment >= FDE_TTOALIGNMENT_CenterLeft && + m_iAlignment < FDE_TTOALIGNMENT_BottomLeft) { + fInc /= 2.0f; + } else if (m_iAlignment < FDE_TTOALIGNMENT_CenterLeft) { + fInc = 0.0f; + } + if (bVertical) { + rect.top += fStartPos; + rect.left += fInc; + rect.width = fHeight; + rect.height = std::min(fWidth, rect.Height()); + } else { + rect.left += fStartPos; + rect.top += fInc; + rect.width = std::min(fWidth, rect.Width()); + rect.height = fHeight; + if (m_dwStyles & FDE_TTOSTYLE_LastLineHeight) { + rect.height -= m_fLineSpace - m_fFontSize; + } + } +} +void CFDE_TextOut::SetLineWidth(CFX_RectF& rect) { + if ((m_dwStyles & FDE_TTOSTYLE_SingleLine) == 0) { + FX_FLOAT fLineWidth = 0.0f; + if (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) { + if (rect.Height() < 1.0f) { + rect.height = m_fFontSize * 1000.0f; + } + fLineWidth = rect.Height(); + } else { + if (rect.Width() < 1.0f) { + rect.width = m_fFontSize * 1000.0f; + } + fLineWidth = rect.Width(); + } + m_pTxtBreak->SetLineWidth(fLineWidth); + } +} +FX_BOOL CFDE_TextOut::RetrieveLineWidth(FX_DWORD dwBreakStatus, + FX_FLOAT& fStartPos, + FX_FLOAT& fWidth, + FX_FLOAT& fHeight) { + if (dwBreakStatus <= FX_TXTBREAK_PieceBreak) { + return FALSE; + } + FX_FLOAT fLineStep = + (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize; + FX_BOOL bLineWrap = !!(m_dwStyles & FDE_TTOSTYLE_LineWrap); + FX_FLOAT fLineWidth = 0.0f; + int32_t iCount = m_pTxtBreak->CountBreakPieces(); + for (int32_t i = 0; i < iCount; i++) { + const CFX_TxtPiece* pPiece = m_pTxtBreak->GetBreakPiece(i); + fLineWidth += (FX_FLOAT)pPiece->m_iWidth / 20000.0f; + fStartPos = std::min(fStartPos, (FX_FLOAT)pPiece->m_iStartPos / 20000.0f); + } + m_pTxtBreak->ClearBreakPieces(); + if (dwBreakStatus == FX_TXTBREAK_ParagraphBreak) { + m_pTxtBreak->Reset(); + } + if (!bLineWrap && dwBreakStatus == FX_TXTBREAK_LineBreak) { + fWidth += fLineWidth; + } else { + fWidth = std::max(fWidth, fLineWidth); + fHeight += fLineStep; + } + m_iTotalLines++; + return TRUE; +} +void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + int32_t x, + int32_t y) { + CFX_RectF rtText; + rtText.Set((FX_FLOAT)x, (FX_FLOAT)y, m_fFontSize * 1000.0f, + m_fFontSize * 1000.0f); + DrawText(pwsStr, iLength, rtText); +} +void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + FX_FLOAT x, + FX_FLOAT y) { + CFX_RectF rtText; + rtText.Set(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f); + DrawText(pwsStr, iLength, rtText); +} +void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_Rect& rect) { + CFX_RectF rtText; + rtText.Set((FX_FLOAT)rect.left, (FX_FLOAT)rect.top, (FX_FLOAT)rect.width, + (FX_FLOAT)rect.height); + DrawText(pwsStr, iLength, rtText); +} +void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect) { + CFX_RectF rtText; + rtText.Set(rect.left, rect.top, rect.width, rect.height); + CFX_Matrix rm; + rm.SetReverse(m_Matrix); + rm.TransformRect(rtText); + DrawText(pwsStr, iLength, rtText, m_rtClip); +} +void CFDE_TextOut::DrawLogicText(const FX_WCHAR* pwsStr, + int32_t iLength, + FX_FLOAT x, + FX_FLOAT y) { + CFX_RectF rtText; + rtText.Set(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f); + DrawLogicText(pwsStr, iLength, rtText); +} +void CFDE_TextOut::DrawLogicText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect) { + CFX_RectF rtClip; + rtClip.Set(m_rtLogicClip.left, m_rtLogicClip.top, m_rtLogicClip.width, + m_rtLogicClip.height); + m_Matrix.TransformRect(rtClip); + DrawText(pwsStr, iLength, rect, rtClip); +} +void CFDE_TextOut::DrawText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect, + const CFX_RectF& rtClip) { + FXSYS_assert(m_pFont != NULL && m_fFontSize >= 1.0f); + if (pwsStr == NULL || iLength < 1) { + return; + } + if (rect.width < m_fFontSize || rect.height < m_fFontSize) { + return; + } + FX_FLOAT fLineWidth = rect.width; + if (m_dwStyles & FDE_TTOSTYLE_VerticalLayout) { + fLineWidth = rect.height; + } + m_pTxtBreak->SetLineWidth(fLineWidth); + m_ttoLines.RemoveAll(TRUE); + m_wsText.Empty(); + LoadText(pwsStr, iLength, rect); + if (m_dwStyles & FDE_TTOSTYLE_Ellipsis) { + ReplaceWidthEllipsis(); + } + Reload(rect); + DoAlignment(rect); + OnDraw(rtClip); +} +void CFDE_TextOut::ExpandBuffer(int32_t iSize, int32_t iType) { + switch (iType) { + case 0: + if (!m_pCharWidths) { + m_pCharWidths = FX_Alloc(int32_t, iSize); + m_iChars = iSize; + } else if (m_iChars < iSize) { + m_pCharWidths = FX_Realloc(int32_t, m_pCharWidths, iSize); + m_iChars = iSize; + } + FXSYS_memset(m_pCharWidths, 0, iSize * sizeof(int32_t)); + break; + case 1: + if (!m_pEllCharWidths) { + m_pEllCharWidths = FX_Alloc(int32_t, iSize); + m_iEllChars = iSize; + } else if (m_iEllChars < iSize) { + m_pEllCharWidths = FX_Realloc(int32_t, m_pEllCharWidths, iSize); + m_iEllChars = iSize; + } + FXSYS_memset(m_pEllCharWidths, 0, iSize * sizeof(int32_t)); + break; + case 2: + if (m_pCharPos == NULL) { + m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, iSize); + m_iCharPosSize = iSize; + } else if (m_iCharPosSize < iSize) { + m_pCharPos = FX_Realloc(FXTEXT_CHARPOS, m_pCharPos, iSize); + m_iCharPosSize = iSize; + } + break; + } +} +void CFDE_TextOut::LoadEllipsis() { + if (!m_bElliChanged) { + return; + } + m_bElliChanged = FALSE; + m_iEllipsisWidth = 0; + int32_t iLength = m_wsEllipsis.GetLength(); + if (iLength < 1) { + return; + } + ExpandBuffer(iLength, 1); + const FX_WCHAR* pStr = (const FX_WCHAR*)m_wsEllipsis; + int32_t* pCharWidths = m_pEllCharWidths; + FX_DWORD dwBreakStatus; + FX_WCHAR wch; + while (iLength-- > 0) { + wch = *pStr++; + dwBreakStatus = m_pTxtBreak->AppendChar(wch); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + RetrieveEllPieces(pCharWidths); + } + } + dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + RetrieveEllPieces(pCharWidths); + } + m_pTxtBreak->Reset(); +} +void CFDE_TextOut::RetrieveEllPieces(int32_t*& pCharWidths) { + int32_t iCount = m_pTxtBreak->CountBreakPieces(); + CFX_Char* pTC; + for (int32_t i = 0; i < iCount; i++) { + const CFX_TxtPiece* pPiece = m_pTxtBreak->GetBreakPiece(i); + int32_t iPieceChars = pPiece->GetLength(); + for (int32_t j = 0; j < iPieceChars; j++) { + pTC = pPiece->GetCharPtr(j); + if (pTC->m_iCharWidth <= 0) { + *pCharWidths = 0; + } else { + *pCharWidths = pTC->m_iCharWidth; + } + m_iEllipsisWidth += *pCharWidths; + pCharWidths++; + } + } + m_pTxtBreak->ClearBreakPieces(); +} +void CFDE_TextOut::LoadText(const FX_WCHAR* pwsStr, + int32_t iLength, + const CFX_RectF& rect) { + FX_WCHAR* pStr = m_wsText.GetBuffer(iLength); + int32_t iTxtLength = iLength; + ExpandBuffer(iTxtLength, 0); + FX_BOOL bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); + FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); + FX_BOOL bLineWrap = !!(m_dwStyles & FDE_TTOSTYLE_LineWrap); + FX_FLOAT fLineStep = + (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize; + FX_FLOAT fLineStop = bVertical ? rect.left : rect.bottom(); + m_fLinePos = bVertical ? rect.right() : rect.top; + if (bVertical) { + fLineStep = -fLineStep; + } + m_hotKeys.RemoveAll(); + int32_t iStartChar = 0; + int32_t iChars = 0; + int32_t iPieceWidths = 0; + FX_DWORD dwBreakStatus; + FX_WCHAR wch; + FX_BOOL bRet = FALSE; + while (iTxtLength-- > 0) { + wch = *pwsStr++; + if (wch == L'&' && bHotKey && (pStr - 1) != NULL && *(pStr - 1) != L'&') { + if (iTxtLength > 0) { + m_hotKeys.Add(iChars); + } + continue; + } + *pStr++ = wch; + iChars++; + dwBreakStatus = m_pTxtBreak->AppendChar(wch); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + FX_BOOL bEndofLine = + RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, FALSE, rect); + if (bEndofLine && (bLineWrap || (dwBreakStatus > FX_TXTBREAK_LineBreak && + !bLineWrap))) { + iPieceWidths = 0; + m_iCurLine++; + m_fLinePos += fLineStep; + } + if ((bVertical && m_fLinePos + fLineStep < fLineStop) || + (!bVertical && m_fLinePos + fLineStep > fLineStop)) { + int32_t iCurLine = m_iCurLine; + if (bEndofLine) { + iCurLine--; + } + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(iCurLine); + pLine->m_bNewReload = TRUE; + bRet = TRUE; + break; + } + } + } + dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak && !bRet) { + RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, FALSE, rect); + } + m_pTxtBreak->ClearBreakPieces(); + m_pTxtBreak->Reset(); + m_wsText.ReleaseBuffer(iLength); +} +FX_BOOL CFDE_TextOut::RetriecePieces(FX_DWORD dwBreakStatus, + int32_t& iStartChar, + int32_t& iPieceWidths, + FX_BOOL bReload, + const CFX_RectF& rect) { + FX_BOOL bSingleLine = !!(m_dwStyles & FDE_TTOSTYLE_SingleLine); + FX_BOOL bLineWrap = !!(m_dwStyles & FDE_TTOSTYLE_LineWrap); + FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); + FX_FLOAT fLineStep = + (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize; + if (bVertical) { + fLineStep = -fLineStep; + } + CFX_Char* pTC = NULL; + FX_BOOL bNeedReload = FALSE; + FX_FLOAT fLineWidth = bVertical ? rect.Height() : rect.Width(); + int32_t iLineWidth = FXSYS_round(fLineWidth * 20000.0f); + int32_t iCount = m_pTxtBreak->CountBreakPieces(); + for (int32_t i = 0; i < iCount; i++) { + const CFX_TxtPiece* pPiece = m_pTxtBreak->GetBreakPiece(i); + int32_t iPieceChars = pPiece->GetLength(); + int32_t iChar = iStartChar; + int32_t iWidth = 0; + int32_t j = 0; + for (; j < iPieceChars; j++) { + pTC = pPiece->GetCharPtr(j); + int32_t iCurCharWidth = pTC->m_iCharWidth > 0 ? pTC->m_iCharWidth : 0; + if (bSingleLine || !bLineWrap) { + if (iLineWidth - iPieceWidths - iWidth < iCurCharWidth) { + bNeedReload = TRUE; + break; + } + } + iWidth += iCurCharWidth; + m_pCharWidths[iChar++] = iCurCharWidth; + } + if (j == 0 && !bReload) { + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(m_iCurLine); + pLine->m_bNewReload = TRUE; + } else if (j > 0) { + CFX_RectF rtPiece; + if (bVertical) { + rtPiece.left = m_fLinePos; + rtPiece.top = rect.top + (FX_FLOAT)pPiece->m_iStartPos / 20000.0f; + rtPiece.width = fLineStep; + rtPiece.height = iWidth / 20000.0f; + } else { + rtPiece.left = rect.left + (FX_FLOAT)pPiece->m_iStartPos / 20000.0f; + rtPiece.top = m_fLinePos; + rtPiece.width = iWidth / 20000.0f; + rtPiece.height = fLineStep; + } + FDE_TTOPIECE ttoPiece; + ttoPiece.iStartChar = iStartChar; + ttoPiece.iChars = j; + ttoPiece.rtPiece = rtPiece; + ttoPiece.dwCharStyles = pPiece->m_dwCharStyles; + if (FX_IsOdd(pPiece->m_iBidiLevel)) { + ttoPiece.dwCharStyles |= FX_TXTCHARSTYLE_OddBidiLevel; + } + AppendPiece(ttoPiece, bNeedReload, (bReload && i == iCount - 1)); + } + iStartChar += iPieceChars; + iPieceWidths += iWidth; + } + m_pTxtBreak->ClearBreakPieces(); + FX_BOOL bRet = bSingleLine || bLineWrap || (!bLineWrap && bNeedReload) || + dwBreakStatus == FX_TXTBREAK_ParagraphBreak; + return bRet; +} +void CFDE_TextOut::AppendPiece(const FDE_TTOPIECE& ttoPiece, + FX_BOOL bNeedReload, + FX_BOOL bEnd) { + if (m_iCurLine >= m_ttoLines.GetSize()) { + CFDE_TTOLine ttoLine; + ttoLine.m_bNewReload = bNeedReload; + m_iCurPiece = ttoLine.AddPiece(m_iCurPiece, ttoPiece); + m_iCurLine = m_ttoLines.Add(ttoLine); + } else { + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(m_iCurLine); + pLine->m_bNewReload = bNeedReload; + m_iCurPiece = pLine->AddPiece(m_iCurPiece, ttoPiece); + if (bEnd) { + int32_t iPieces = pLine->GetSize(); + if (m_iCurPiece < iPieces) { + pLine->RemoveLast(iPieces - m_iCurPiece - 1); + } + } + } + if (!bEnd && bNeedReload) { + m_iCurPiece = 0; + } +} +void CFDE_TextOut::ReplaceWidthEllipsis() { + LoadEllipsis(); + int32_t iLength = m_wsEllipsis.GetLength(); + if (iLength < 1) { + return; + } + int32_t iLines = m_ttoLines.GetSize(); + for (int32_t i = 0; i < iLines; i++) { + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i); + if (!pLine->m_bNewReload) { + continue; + } + int32_t iEllipsisCharIndex = iLength - 1; + int32_t iCharWidth = 0; + int32_t iCharCount = 0; + int32_t iPiece = pLine->GetSize(); + while (iPiece-- > 0) { + FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(iPiece); + if (pPiece == NULL) { + break; + } + for (int32_t j = pPiece->iChars - 1; j >= 0; j--) { + if (iEllipsisCharIndex < 0) { + break; + } + int32_t index = pPiece->iStartChar + j; + iCharWidth += m_pCharWidths[index]; + iCharCount++; + if (iCharCount <= iLength) { + m_wsText.SetAt(index, m_wsEllipsis.GetAt(iEllipsisCharIndex)); + m_pCharWidths[index] = m_pEllCharWidths[iEllipsisCharIndex]; + } else if (iCharWidth <= m_iEllipsisWidth) { + m_wsText.SetAt(index, 0); + m_pCharWidths[index] = 0; + } + iEllipsisCharIndex--; + } + if (iEllipsisCharIndex < 0) { + break; + } + } + } +} +void CFDE_TextOut::Reload(const CFX_RectF& rect) { + int32_t iCount = m_ttoLines.GetSize(); + for (int32_t i = 0; i < iCount; i++) { + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i); + if (pLine == NULL || !pLine->m_bNewReload) { + continue; + } + m_iCurLine = i; + m_iCurPiece = 0; + ReloadLinePiece(pLine, rect); + } +} +void CFDE_TextOut::ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect) { + const FX_WCHAR* pwsStr = (const FX_WCHAR*)m_wsText; + FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); + int32_t iPieceWidths = 0; + FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(0); + int32_t iStartChar = pPiece->iStartChar; + m_fLinePos = bVertical ? pPiece->rtPiece.left : pPiece->rtPiece.top; + int32_t iPieceCount = pLine->GetSize(); + int32_t iPieceIndex = 0; + FX_DWORD dwBreakStatus = 0; + FX_WCHAR wch; + while (iPieceIndex < iPieceCount) { + int32_t iStar = iStartChar; + int32_t iEnd = pPiece->iChars + iStar; + while (iStar < iEnd) { + wch = *(pwsStr + iStar); + dwBreakStatus = m_pTxtBreak->AppendChar(wch); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, TRUE, rect); + } + iStar++; + } + iPieceIndex++; + pPiece = pLine->GetPtrAt(iPieceIndex); + } + dwBreakStatus = m_pTxtBreak->EndBreak(FX_TXTBREAK_ParagraphBreak); + if (dwBreakStatus > FX_TXTBREAK_PieceBreak) { + RetriecePieces(dwBreakStatus, iStartChar, iPieceWidths, TRUE, rect); + } + m_pTxtBreak->Reset(); +} +void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) { + FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); + FX_FLOAT fLineStopS = bVertical ? rect.right() : rect.bottom(); + int32_t iLines = m_ttoLines.GetSize(); + if (iLines < 1) { + return; + } + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(iLines - 1); + FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(0); + if (pPiece == NULL) { + return; + } + FX_FLOAT fLineStopD = + bVertical ? pPiece->rtPiece.right() : pPiece->rtPiece.bottom(); + FX_FLOAT fInc = fLineStopS - fLineStopD; + if (m_iAlignment >= FDE_TTOALIGNMENT_CenterLeft && + m_iAlignment < FDE_TTOALIGNMENT_BottomLeft) { + fInc /= 2.0f; + } else if (m_iAlignment < FDE_TTOALIGNMENT_CenterLeft) { + fInc = 0.0f; + } + if (fInc < 1.0f) { + return; + } + for (int32_t i = 0; i < iLines; i++) { + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i); + int32_t iPieces = pLine->GetSize(); + for (int32_t j = 0; j < iPieces; j++) { + FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j); + if (bVertical) { + pPiece->rtPiece.left += fInc; + } else { + pPiece->rtPiece.top += fInc; + } + } + } +} +void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) { + if (m_pRenderDevice == NULL) { + return; + } + int32_t iLines = m_ttoLines.GetSize(); + if (iLines < 1) { + return; + } + IFDE_SolidBrush* pBrush = + (IFDE_SolidBrush*)IFDE_Brush::Create(FDE_BRUSHTYPE_Solid); + pBrush->SetColor(m_TxtColor); + IFDE_Pen* pPen = NULL; + FDE_HDEVICESTATE hDev = m_pRenderDevice->SaveState(); + if (rtClip.Width() > 0.0f && rtClip.Height() > 0.0f) { + m_pRenderDevice->SetClipRect(rtClip); + } + for (int32_t i = 0; i < iLines; i++) { + CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i); + int32_t iPieces = pLine->GetSize(); + for (int32_t j = 0; j < iPieces; j++) { + FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j); + if (pPiece == NULL) { + continue; + } + int32_t iCount = GetDisplayPos(pPiece); + if (iCount > 0) { + m_pRenderDevice->DrawString(pBrush, m_pFont, m_pCharPos, iCount, + m_fFontSize, &m_Matrix); + } + DrawLine(pPiece, pPen); + } + } + m_pRenderDevice->RestoreState(hDev); + if (pBrush) { + pBrush->Release(); + } + if (pPen) { + pPen->Release(); + } +} +int32_t CFDE_TextOut::GetDisplayPos(FDE_LPTTOPIECE pPiece) { + FX_TXTRUN tr; + ToTextRun(pPiece, tr); + ExpandBuffer(tr.iLength, 2); + return m_pTxtBreak->GetDisplayPos(&tr, m_pCharPos); +} +int32_t CFDE_TextOut::GetCharRects(FDE_LPTTOPIECE pPiece) { + FX_TXTRUN tr; + ToTextRun(pPiece, tr); + m_rectArray.RemoveAll(); + return m_pTxtBreak->GetCharRects(&tr, m_rectArray); +} +void CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr) { + tr.pAccess = NULL; + tr.pIdentity = NULL; + tr.pStr = (const FX_WCHAR*)m_wsText + pPiece->iStartChar; + tr.pWidths = m_pCharWidths + pPiece->iStartChar; + tr.iLength = pPiece->iChars; + tr.pFont = m_pFont; + tr.fFontSize = m_fFontSize; + tr.dwStyles = m_dwTxtBkStyles; + tr.iCharRotation = 0; + tr.dwCharStyles = pPiece->dwCharStyles; + tr.wLineBreakChar = m_wParagraphBkChar; + tr.pRect = &pPiece->rtPiece; +} +void CFDE_TextOut::DrawLine(const FDE_LPTTOPIECE pPiece, IFDE_Pen*& pPen) { + FX_BOOL bUnderLine = !!(m_dwStyles & FDE_TTOSTYLE_Underline); + FX_BOOL bStrikeOut = !!(m_dwStyles & FDE_TTOSTYLE_Strikeout); + FX_BOOL bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); + FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); + if (!bUnderLine && !bStrikeOut && !bHotKey) { + return; + } + if (pPen == NULL) { + pPen = IFDE_Pen::Create(); + pPen->SetColor(m_TxtColor); + } + IFDE_Path* pPath = IFDE_Path::Create(); + int32_t iLineCount = 0; + CFX_RectF rtText = pPiece->rtPiece; + CFX_PointF pt1, pt2; + if (bUnderLine) { + if (bVertical) { + pt1.x = rtText.left; + pt1.y = rtText.top; + pt2.x = rtText.left; + pt2.y = rtText.bottom(); + } else { + pt1.x = rtText.left; + pt1.y = rtText.bottom(); + pt2.x = rtText.right(); + pt2.y = rtText.bottom(); + } + pPath->AddLine(pt1, pt2); + iLineCount++; + } + if (bStrikeOut) { + if (bVertical) { + pt1.x = rtText.left + rtText.width * 2.0f / 5.0f; + pt1.y = rtText.top; + pt2.x = pt1.x; + pt2.y = rtText.bottom(); + } else { + pt1.x = rtText.left; + pt1.y = rtText.bottom() - rtText.height * 2.0f / 5.0f; + pt2.x = rtText.right(); + pt2.y = pt1.y; + } + pPath->AddLine(pt1, pt2); + iLineCount++; + } + if (bHotKey) { + int32_t iHotKeys = m_hotKeys.GetSize(); + int32_t iCount = GetCharRects(pPiece); + if (iCount > 0) { + for (int32_t i = 0; i < iHotKeys; i++) { + int32_t iCharIndex = m_hotKeys.GetAt(i); + if (iCharIndex >= pPiece->iStartChar && + iCharIndex < pPiece->iStartChar + pPiece->iChars) { + CFX_RectF rect = m_rectArray.GetAt(iCharIndex - pPiece->iStartChar); + if (bVertical) { + pt1.x = rect.left; + pt1.y = rect.top; + pt2.x = rect.left; + pt2.y = rect.bottom(); + } else { + pt1.x = rect.left; + pt1.y = rect.bottom(); + pt2.x = rect.right(); + pt2.y = rect.bottom(); + } + pPath->AddLine(pt1, pt2); + iLineCount++; + } + } + } + } + if (iLineCount > 0) { + m_pRenderDevice->DrawPath(pPen, 1, pPath, &m_Matrix); + } + pPath->Release(); +} +CFDE_TTOLine::CFDE_TTOLine() + : m_bNewReload(FALSE), m_pieces(5), m_iPieceCount(0) {} +CFDE_TTOLine::CFDE_TTOLine(const CFDE_TTOLine& ttoLine) : m_pieces(5) { + m_bNewReload = ttoLine.m_bNewReload; + m_iPieceCount = ttoLine.m_iPieceCount; + m_pieces.Copy(ttoLine.m_pieces); +} +CFDE_TTOLine::~CFDE_TTOLine() {} +int32_t CFDE_TTOLine::AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece) { + if (index >= m_iPieceCount) { + index = m_pieces.Add(ttoPiece) + 1; + m_iPieceCount++; + } else { + FDE_TTOPIECE& piece = m_pieces.GetAt(index); + piece = ttoPiece; + } + return index; +} +int32_t CFDE_TTOLine::GetSize() const { + return m_iPieceCount; +} +FDE_LPTTOPIECE CFDE_TTOLine::GetPtrAt(int32_t index) { + if (index >= m_iPieceCount) { + return NULL; + } + return m_pieces.GetPtrAt(index); +} +void CFDE_TTOLine::RemoveLast(int32_t iCount) { + m_pieces.RemoveLast(iCount); +} +void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory) { + m_pieces.RemoveAll(bLeaveMemory); +} |