diff options
Diffstat (limited to 'xfa/fde/tto/fde_textout.cpp')
| -rw-r--r-- | xfa/fde/tto/fde_textout.cpp | 790 |
1 files changed, 0 insertions, 790 deletions
diff --git a/xfa/fde/tto/fde_textout.cpp b/xfa/fde/tto/fde_textout.cpp deleted file mode 100644 index c036c77931..0000000000 --- a/xfa/fde/tto/fde_textout.cpp +++ /dev/null @@ -1,790 +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 - -#include "xfa/fde/tto/fde_textout.h" - -#include <algorithm> - -#include "core/fxcrt/fx_coordinates.h" -#include "core/fxcrt/fx_system.h" -#include "third_party/base/ptr_util.h" -#include "third_party/base/stl_util.h" -#include "xfa/fde/cfde_brush.h" -#include "xfa/fde/cfde_path.h" -#include "xfa/fde/cfde_pen.h" -#include "xfa/fde/cfde_renderdevice.h" -#include "xfa/fgas/layout/fgas_textbreak.h" - -FDE_TTOPIECE::FDE_TTOPIECE() = default; - -FDE_TTOPIECE::FDE_TTOPIECE(const FDE_TTOPIECE& that) = default; - -FDE_TTOPIECE::~FDE_TTOPIECE() = default; - -CFDE_TextOut::CFDE_TextOut() - : m_pTxtBreak(pdfium::MakeUnique<CFX_TxtBreak>()), - m_pFont(nullptr), - m_fFontSize(12.0f), - m_fLineSpace(m_fFontSize), - m_fLinePos(0.0f), - m_fTolerance(0.0f), - m_iAlignment(0), - m_iTxtBkAlignment(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_Matrix.SetIdentity(); - m_rtClip.Reset(); - m_rtLogicClip.Reset(); -} - -CFDE_TextOut::~CFDE_TextOut() {} - -void CFDE_TextOut::SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont) { - ASSERT(pFont); - m_pFont = pFont; - m_pTxtBreak->SetFont(pFont); -} - -void CFDE_TextOut::SetFontSize(float fFontSize) { - ASSERT(fFontSize > 0); - m_fFontSize = fFontSize; - m_pTxtBreak->SetFontSize(fFontSize); -} - -void CFDE_TextOut::SetTextColor(FX_ARGB color) { - m_TxtColor = color; -} - -void CFDE_TextOut::SetStyles(uint32_t dwStyles) { - m_dwStyles = dwStyles; - m_dwTxtBkStyles = 0; - if (dwStyles & FDE_TTOSTYLE_SingleLine) - m_dwTxtBkStyles |= FX_LAYOUTSTYLE_SingleLine; - - m_pTxtBreak->SetLayoutStyles(m_dwTxtBkStyles); -} - -void CFDE_TextOut::SetTabWidth(float fTabWidth) { - ASSERT(fTabWidth > 1.0f); - m_pTxtBreak->SetTabWidth(fTabWidth); -} - -void CFDE_TextOut::SetEllipsisString(const CFX_WideString& wsEllipsis) { - m_bElliChanged = true; - m_wsEllipsis = wsEllipsis; -} - -void CFDE_TextOut::SetParagraphBreakChar(wchar_t 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 = CFX_TxtLineAlignment_Center; - break; - case FDE_TTOALIGNMENT_TopRight: - case FDE_TTOALIGNMENT_CenterRight: - case FDE_TTOALIGNMENT_BottomRight: - m_iTxtBkAlignment = CFX_TxtLineAlignment_Right; - break; - default: - m_iTxtBkAlignment = CFX_TxtLineAlignment_Left; - break; - } - m_pTxtBreak->SetAlignment(m_iTxtBkAlignment); -} - -void CFDE_TextOut::SetLineSpace(float fLineSpace) { - ASSERT(fLineSpace > 1.0f); - m_fLineSpace = fLineSpace; -} - -void CFDE_TextOut::SetDIBitmap(const CFX_RetainPtr<CFX_DIBitmap>& pDIB) { - ASSERT(pDIB); - - m_pRenderDevice.reset(); - CFX_FxgeDevice* device = new CFX_FxgeDevice; - device->Attach(pDIB, false, nullptr, false); - m_pRenderDevice = pdfium::MakeUnique<CFDE_RenderDevice>(device, false); -} - -void CFDE_TextOut::SetRenderDevice(CFX_RenderDevice* pDevice) { - ASSERT(pDevice); - m_pRenderDevice = pdfium::MakeUnique<CFDE_RenderDevice>(pDevice, false); -} - -void CFDE_TextOut::SetClipRect(const CFX_Rect& rtClip) { - m_rtClip = rtClip.As<float>(); -} - -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(float fTolerance) { - m_fTolerance = fTolerance; - m_pTxtBreak->SetLineBreakTolerance(m_fTolerance); -} - -int32_t CFDE_TextOut::GetTotalLines() { - return m_iTotalLines; -} - -void CFDE_TextOut::CalcLogicSize(const wchar_t* pwsStr, - int32_t iLength, - CFX_SizeF& size) { - CFX_RectF rtText(0.0f, 0.0f, size.width, size.height); - CalcLogicSize(pwsStr, iLength, rtText); - size = rtText.Size(); -} - -void CFDE_TextOut::CalcLogicSize(const wchar_t* pwsStr, - int32_t iLength, - CFX_RectF& rect) { - if (!pwsStr || iLength < 1) { - rect.width = 0.0f; - rect.height = 0.0f; - } else { - CalcTextSize(pwsStr, iLength, rect); - } -} - -void CFDE_TextOut::CalcTextSize(const wchar_t* pwsStr, - int32_t iLength, - CFX_RectF& rect) { - ASSERT(m_pFont && m_fFontSize >= 1.0f); - SetLineWidth(rect); - m_iTotalLines = 0; - const wchar_t* pStr = pwsStr; - bool bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); - float fWidth = 0.0f; - float fHeight = 0.0f; - float fStartPos = rect.right(); - CFX_BreakType dwBreakStatus = CFX_BreakType::None; - wchar_t wPreChar = 0; - wchar_t wch; - wchar_t 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 (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - RetrieveLineWidth(dwBreakStatus, fStartPos, fWidth, fHeight); - - wPreChar = 0; - } - dwBreakStatus = m_pTxtBreak->EndBreak(CFX_BreakType::Paragraph); - if (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - RetrieveLineWidth(dwBreakStatus, fStartPos, fWidth, fHeight); - - m_pTxtBreak->Reset(); - float fInc = rect.Height() - 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; - } - 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) { - float fLineWidth = 0.0f; - if (rect.Width() < 1.0f) - rect.width = m_fFontSize * 1000.0f; - - fLineWidth = rect.Width(); - m_pTxtBreak->SetLineWidth(fLineWidth); - } -} - -bool CFDE_TextOut::RetrieveLineWidth(CFX_BreakType dwBreakStatus, - float& fStartPos, - float& fWidth, - float& fHeight) { - if (CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - return false; - - float fLineStep = (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize; - bool bLineWrap = !!(m_dwStyles & FDE_TTOSTYLE_LineWrap); - float fLineWidth = 0.0f; - int32_t iCount = m_pTxtBreak->CountBreakPieces(); - for (int32_t i = 0; i < iCount; i++) { - const CFX_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i); - fLineWidth += static_cast<float>(pPiece->m_iWidth) / 20000.0f; - fStartPos = - std::min(fStartPos, static_cast<float>(pPiece->m_iStartPos) / 20000.0f); - } - m_pTxtBreak->ClearBreakPieces(); - if (dwBreakStatus == CFX_BreakType::Paragraph) { - m_pTxtBreak->Reset(); - } - if (!bLineWrap && dwBreakStatus == CFX_BreakType::Line) { - fWidth += fLineWidth; - } else { - fWidth = std::max(fWidth, fLineWidth); - fHeight += fLineStep; - } - m_iTotalLines++; - return true; -} - -void CFDE_TextOut::DrawText(const wchar_t* pwsStr, - int32_t iLength, - int32_t x, - int32_t y) { - CFX_RectF rtText(static_cast<float>(x), static_cast<float>(y), - m_fFontSize * 1000.0f, m_fFontSize * 1000.0f); - DrawText(pwsStr, iLength, rtText); -} - -void CFDE_TextOut::DrawText(const wchar_t* pwsStr, - int32_t iLength, - float x, - float y) { - DrawText(pwsStr, iLength, - CFX_RectF(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f)); -} - -void CFDE_TextOut::DrawText(const wchar_t* pwsStr, - int32_t iLength, - const CFX_Rect& rect) { - DrawText(pwsStr, iLength, rect.As<float>()); -} - -void CFDE_TextOut::DrawText(const wchar_t* pwsStr, - int32_t iLength, - const CFX_RectF& rect) { - CFX_RectF rtText(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 wchar_t* pwsStr, - int32_t iLength, - float x, - float y) { - CFX_RectF rtText(x, y, m_fFontSize * 1000.0f, m_fFontSize * 1000.0f); - DrawLogicText(pwsStr, iLength, rtText); -} - -void CFDE_TextOut::DrawLogicText(const wchar_t* pwsStr, - int32_t iLength, - const CFX_RectF& rect) { - CFX_RectF rtClip(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 wchar_t* pwsStr, - int32_t iLength, - const CFX_RectF& rect, - const CFX_RectF& rtClip) { - ASSERT(m_pFont && m_fFontSize >= 1.0f); - if (!pwsStr || iLength < 1) - return; - if (rect.width < m_fFontSize || rect.height < m_fFontSize) - return; - - float fLineWidth = rect.width; - m_pTxtBreak->SetLineWidth(fLineWidth); - m_ttoLines.clear(); - m_wsText.clear(); - 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) { - ASSERT(iSize >= 0); - size_t size = iSize; - switch (iType) { - case 0: - if (m_CharWidths.size() < size) - m_CharWidths.resize(size, 0); - break; - case 1: - if (m_EllCharWidths.size() < size) - m_EllCharWidths.resize(size, 0); - break; - case 2: - if (m_CharPos.size() < size) - m_CharPos.resize(size, FXTEXT_CHARPOS()); - 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 wchar_t* pStr = m_wsEllipsis.c_str(); - CFX_BreakType dwBreakStatus; - wchar_t wch; - while (iLength-- > 0) { - wch = *pStr++; - dwBreakStatus = m_pTxtBreak->AppendChar(wch); - if (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - RetrieveEllPieces(&m_EllCharWidths); - } - dwBreakStatus = m_pTxtBreak->EndBreak(CFX_BreakType::Paragraph); - if (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - RetrieveEllPieces(&m_EllCharWidths); - - m_pTxtBreak->Reset(); -} - -void CFDE_TextOut::RetrieveEllPieces(std::vector<int32_t>* pCharWidths) { - int32_t iCount = m_pTxtBreak->CountBreakPieces(); - int32_t iCharIndex = 0; - for (int32_t i = 0; i < iCount; i++) { - const CFX_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i); - int32_t iPieceChars = pPiece->GetLength(); - for (int32_t j = 0; j < iPieceChars; j++) { - (*pCharWidths)[iCharIndex] = - std::max(pPiece->GetChar(j)->m_iCharWidth, 0); - m_iEllipsisWidth += (*pCharWidths)[iCharIndex]; - iCharIndex++; - } - } - m_pTxtBreak->ClearBreakPieces(); -} - -void CFDE_TextOut::LoadText(const wchar_t* pwsStr, - int32_t iLength, - const CFX_RectF& rect) { - wchar_t* pStr = m_wsText.GetBuffer(iLength); - int32_t iTxtLength = iLength; - ExpandBuffer(iTxtLength, 0); - bool bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); - bool bLineWrap = !!(m_dwStyles & FDE_TTOSTYLE_LineWrap); - float fLineStep = (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize; - float fLineStop = rect.bottom(); - m_fLinePos = rect.top; - m_HotKeys.clear(); - int32_t iStartChar = 0; - int32_t iChars = 0; - int32_t iPieceWidths = 0; - CFX_BreakType dwBreakStatus; - wchar_t wch; - bool bRet = false; - while (iTxtLength-- > 0) { - wch = *pwsStr++; - if (bHotKey && wch == L'&' && *(pStr - 1) != L'&') { - if (iTxtLength > 0) - m_HotKeys.push_back(iChars); - continue; - } - *pStr++ = wch; - iChars++; - dwBreakStatus = m_pTxtBreak->AppendChar(wch); - if (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) { - bool bEndofLine = - RetrievePieces(dwBreakStatus, iStartChar, iPieceWidths, false, rect); - if (bEndofLine && - (bLineWrap || dwBreakStatus == CFX_BreakType::Paragraph || - dwBreakStatus == CFX_BreakType::Page)) { - iPieceWidths = 0; - m_iCurLine++; - m_fLinePos += fLineStep; - } - if (m_fLinePos + fLineStep > fLineStop) { - int32_t iCurLine = bEndofLine ? m_iCurLine - 1 : m_iCurLine; - m_ttoLines[iCurLine].SetNewReload(true); - bRet = true; - break; - } - } - } - dwBreakStatus = m_pTxtBreak->EndBreak(CFX_BreakType::Paragraph); - if (!CFX_BreakTypeNoneOrPiece(dwBreakStatus) && !bRet) - RetrievePieces(dwBreakStatus, iStartChar, iPieceWidths, false, rect); - - m_pTxtBreak->ClearBreakPieces(); - m_pTxtBreak->Reset(); - m_wsText.ReleaseBuffer(iLength); -} - -bool CFDE_TextOut::RetrievePieces(CFX_BreakType dwBreakStatus, - int32_t& iStartChar, - int32_t& iPieceWidths, - bool bReload, - const CFX_RectF& rect) { - bool bSingleLine = !!(m_dwStyles & FDE_TTOSTYLE_SingleLine); - bool bLineWrap = !!(m_dwStyles & FDE_TTOSTYLE_LineWrap); - float fLineStep = (m_fLineSpace > m_fFontSize) ? m_fLineSpace : m_fFontSize; - bool bNeedReload = false; - float fLineWidth = 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_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i); - int32_t iPieceChars = pPiece->GetLength(); - int32_t iChar = iStartChar; - int32_t iWidth = 0; - int32_t j = 0; - for (; j < iPieceChars; j++) { - const CFX_Char* pTC = pPiece->GetChar(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_CharWidths[iChar++] = iCurCharWidth; - } - if (j == 0 && !bReload) { - m_ttoLines[m_iCurLine].SetNewReload(true); - } else if (j > 0) { - CFX_RectF rtPiece; - rtPiece.left = rect.left + (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(); - return bSingleLine || bLineWrap || bNeedReload || - dwBreakStatus == CFX_BreakType::Paragraph; -} - -void CFDE_TextOut::AppendPiece(const FDE_TTOPIECE& ttoPiece, - bool bNeedReload, - bool bEnd) { - if (m_iCurLine >= pdfium::CollectionSize<int32_t>(m_ttoLines)) { - CFDE_TTOLine ttoLine; - ttoLine.SetNewReload(bNeedReload); - m_iCurPiece = ttoLine.AddPiece(m_iCurPiece, ttoPiece); - m_ttoLines.push_back(ttoLine); - m_iCurLine = pdfium::CollectionSize<int32_t>(m_ttoLines) - 1; - } else { - CFDE_TTOLine* pLine = &m_ttoLines[m_iCurLine]; - pLine->SetNewReload(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; - - for (auto& line : m_ttoLines) { - if (!line.GetNewReload()) - continue; - - int32_t iEllipsisCharIndex = iLength - 1; - int32_t iCharWidth = 0; - int32_t iCharCount = 0; - int32_t iPiece = line.GetSize(); - while (iPiece-- > 0) { - FDE_TTOPIECE* pPiece = line.GetPtrAt(iPiece); - if (!pPiece) - break; - - for (int32_t j = pPiece->iChars - 1; j >= 0; j--) { - if (iEllipsisCharIndex < 0) - break; - - int32_t index = pPiece->iStartChar + j; - iCharWidth += m_CharWidths[index]; - iCharCount++; - if (iCharCount <= iLength) { - m_wsText.SetAt(index, m_wsEllipsis.GetAt(iEllipsisCharIndex)); - m_CharWidths[index] = m_EllCharWidths[iEllipsisCharIndex]; - } else if (iCharWidth <= m_iEllipsisWidth) { - m_wsText.SetAt(index, 0); - m_CharWidths[index] = 0; - } - iEllipsisCharIndex--; - } - if (iEllipsisCharIndex < 0) - break; - } - } -} - -void CFDE_TextOut::Reload(const CFX_RectF& rect) { - int i = 0; - for (auto& line : m_ttoLines) { - if (line.GetNewReload()) { - m_iCurLine = i; - m_iCurPiece = 0; - ReloadLinePiece(&line, rect); - } - ++i; - } -} - -void CFDE_TextOut::ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect) { - const wchar_t* pwsStr = m_wsText.c_str(); - int32_t iPieceWidths = 0; - FDE_TTOPIECE* pPiece = pLine->GetPtrAt(0); - int32_t iStartChar = pPiece->iStartChar; - m_fLinePos = pPiece->rtPiece.top; - int32_t iPieceCount = pLine->GetSize(); - int32_t iPieceIndex = 0; - CFX_BreakType dwBreakStatus = CFX_BreakType::None; - wchar_t 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 (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - RetrievePieces(dwBreakStatus, iStartChar, iPieceWidths, true, rect); - iStar++; - } - iPieceIndex++; - pPiece = pLine->GetPtrAt(iPieceIndex); - } - dwBreakStatus = m_pTxtBreak->EndBreak(CFX_BreakType::Paragraph); - if (!CFX_BreakTypeNoneOrPiece(dwBreakStatus)) - RetrievePieces(dwBreakStatus, iStartChar, iPieceWidths, true, rect); - - m_pTxtBreak->Reset(); -} - -void CFDE_TextOut::DoAlignment(const CFX_RectF& rect) { - if (m_ttoLines.empty()) - return; - - float fLineStopS = rect.bottom(); - FDE_TTOPIECE* pFirstPiece = m_ttoLines.back().GetPtrAt(0); - if (!pFirstPiece) - return; - - float fLineStopD = pFirstPiece->rtPiece.bottom(); - 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 (auto& line : m_ttoLines) { - int32_t iPieces = line.GetSize(); - for (int32_t j = 0; j < iPieces; j++) { - FDE_TTOPIECE* pPiece = line.GetPtrAt(j); - pPiece->rtPiece.top += fInc; - } - } -} - -void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) { - if (!m_pRenderDevice || m_ttoLines.empty()) - return; - - auto pBrush = pdfium::MakeUnique<CFDE_Brush>(); - pBrush->SetColor(m_TxtColor); - m_pRenderDevice->SaveState(); - if (rtClip.Width() > 0.0f && rtClip.Height() > 0.0f) - m_pRenderDevice->SetClipRect(rtClip); - - auto pPen = pdfium::MakeUnique<CFDE_Pen>(); - pPen->SetColor(m_TxtColor); - - for (auto& line : m_ttoLines) { - int32_t iPieces = line.GetSize(); - for (int32_t j = 0; j < iPieces; j++) { - FDE_TTOPIECE* pPiece = line.GetPtrAt(j); - if (!pPiece) - continue; - - int32_t iCount = GetDisplayPos(pPiece); - if (iCount > 0) { - m_pRenderDevice->DrawString(pBrush.get(), m_pFont, m_CharPos.data(), - iCount, m_fFontSize, &m_Matrix); - } - DrawLine(pPiece, pPen.get()); - } - } - m_pRenderDevice->RestoreState(); -} - -int32_t CFDE_TextOut::GetDisplayPos(FDE_TTOPIECE* pPiece) { - FX_TXTRUN tr = ToTextRun(pPiece); - ExpandBuffer(tr.iLength, 2); - return m_pTxtBreak->GetDisplayPos(&tr, m_CharPos.data()); -} - -int32_t CFDE_TextOut::GetCharRects(const FDE_TTOPIECE* pPiece) { - FX_TXTRUN tr = ToTextRun(pPiece); - m_rectArray = m_pTxtBreak->GetCharRects(&tr); - return pdfium::CollectionSize<int32_t>(m_rectArray); -} - -FX_TXTRUN CFDE_TextOut::ToTextRun(const FDE_TTOPIECE* pPiece) { - FX_TXTRUN tr; - tr.wsStr = m_wsText + pPiece->iStartChar; - tr.pWidths = &m_CharWidths[pPiece->iStartChar]; - tr.iLength = pPiece->iChars; - tr.pFont = m_pFont; - tr.fFontSize = m_fFontSize; - tr.dwStyles = m_dwTxtBkStyles; - tr.dwCharStyles = pPiece->dwCharStyles; - tr.wLineBreakChar = m_wParagraphBkChar; - tr.pRect = &pPiece->rtPiece; - return tr; -} - -void CFDE_TextOut::DrawLine(const FDE_TTOPIECE* pPiece, CFDE_Pen* pPen) { - bool bUnderLine = !!(m_dwStyles & FDE_TTOSTYLE_Underline); - bool bStrikeOut = !!(m_dwStyles & FDE_TTOSTYLE_Strikeout); - bool bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); - if (!bUnderLine && !bStrikeOut && !bHotKey) - return; - - auto pPath = pdfium::MakeUnique<CFDE_Path>(); - int32_t iLineCount = 0; - CFX_RectF rtText = pPiece->rtPiece; - CFX_PointF pt1, pt2; - if (bUnderLine) { - pt1.x = rtText.left; - pt1.y = rtText.bottom(); - pt2.x = rtText.right(); - pt2.y = rtText.bottom(); - pPath->AddLine(pt1, pt2); - iLineCount++; - } - if (bStrikeOut) { - 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) { - if (GetCharRects(pPiece) > 0) { - for (int32_t iCharIndex : m_HotKeys) { - if (iCharIndex >= pPiece->iStartChar && - iCharIndex < pPiece->iStartChar + pPiece->iChars) { - CFX_RectF rect = m_rectArray[iCharIndex - pPiece->iStartChar]; - 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.get(), &m_Matrix); -} - -CFDE_TTOLine::CFDE_TTOLine() : m_bNewReload(false) {} - -CFDE_TTOLine::CFDE_TTOLine(const CFDE_TTOLine& ttoLine) : m_pieces(5) { - m_bNewReload = ttoLine.m_bNewReload; - m_pieces = ttoLine.m_pieces; -} - -CFDE_TTOLine::~CFDE_TTOLine() {} - -int32_t CFDE_TTOLine::AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece) { - if (index >= pdfium::CollectionSize<int32_t>(m_pieces)) { - m_pieces.push_back(ttoPiece); - return pdfium::CollectionSize<int32_t>(m_pieces); - } - m_pieces[index] = ttoPiece; - return index; -} - -int32_t CFDE_TTOLine::GetSize() const { - return pdfium::CollectionSize<int32_t>(m_pieces); -} - -FDE_TTOPIECE* CFDE_TTOLine::GetPtrAt(int32_t index) { - return pdfium::IndexInBounds(m_pieces, index) ? &m_pieces[index] : nullptr; -} - -void CFDE_TTOLine::RemoveLast(int32_t icount) { - if (icount < 0) - return; - icount = std::min(icount, pdfium::CollectionSize<int32_t>(m_pieces)); - m_pieces.erase(m_pieces.end() - icount, m_pieces.end()); -} - -void CFDE_TTOLine::RemoveAll() { - m_pieces.clear(); -} |