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path: root/xfa/fde/tto/fde_textout.cpp
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-rw-r--r--xfa/fde/tto/fde_textout.cpp790
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();
-}