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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <memory>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+#include <com/sun/star/i18n/WordType.hpp>
+#include <com/sun/star/i18n/XBreakIterator.hpp>
+#include <com/sun/star/linguistic2/LinguServiceManager.hpp>
+
+#include <comphelper/processfactory.hxx>
+#include <osl/file.h>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <tools/lineend.hxx>
+#include <tools/debug.hxx>
+#include <vcl/gdimtf.hxx>
+#include <vcl/metaact.hxx>
+#include <vcl/metric.hxx>
+#include <vcl/textrectinfo.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/sysdata.hxx>
+#include <vcl/unohelp.hxx>
+#include <vcl/toolkit/controllayout.hxx>
+#ifdef MACOSX
+# include <vcl/opengl/OpenGLHelper.hxx>
+#endif
+
+#include <outdata.hxx>
+#include <outdev.h>
+#include <salgdi.hxx>
+#include <svdata.hxx>
+#include <textlayout.hxx>
+#include <textlineinfo.hxx>
+#include <impglyphitem.hxx>
+#include <optional>
+
+#define TEXT_DRAW_ELLIPSIS (DrawTextFlags::EndEllipsis | DrawTextFlags::PathEllipsis | DrawTextFlags::NewsEllipsis)
+
+ImplMultiTextLineInfo::ImplMultiTextLineInfo()
+{
+}
+
+ImplMultiTextLineInfo::~ImplMultiTextLineInfo()
+{
+}
+
+void ImplMultiTextLineInfo::AddLine( ImplTextLineInfo* pLine )
+{
+ mvLines.push_back(std::unique_ptr<ImplTextLineInfo>(pLine));
+}
+
+void ImplMultiTextLineInfo::Clear()
+{
+ mvLines.clear();
+}
+
+void OutputDevice::ImplInitTextColor()
+{
+ DBG_TESTSOLARMUTEX();
+
+ if ( mbInitTextColor )
+ {
+ mpGraphics->SetTextColor( GetTextColor() );
+ mbInitTextColor = false;
+ }
+}
+
+void OutputDevice::ImplDrawTextRect( long nBaseX, long nBaseY,
+ long nDistX, long nDistY, long nWidth, long nHeight )
+{
+ long nX = nDistX;
+ long nY = nDistY;
+
+ short nOrientation = mpFontInstance->mnOrientation;
+ if ( nOrientation )
+ {
+ // Rotate rect without rounding problems for 90 degree rotations
+ if ( !(nOrientation % 900) )
+ {
+ if ( nOrientation == 900 )
+ {
+ long nTemp = nX;
+ nX = nY;
+ nY = -nTemp;
+ nTemp = nWidth;
+ nWidth = nHeight;
+ nHeight = nTemp;
+ nY -= nHeight;
+ }
+ else if ( nOrientation == 1800 )
+ {
+ nX = -nX;
+ nY = -nY;
+ nX -= nWidth;
+ nY -= nHeight;
+ }
+ else /* ( nOrientation == 2700 ) */
+ {
+ long nTemp = nX;
+ nX = -nY;
+ nY = nTemp;
+ nTemp = nWidth;
+ nWidth = nHeight;
+ nHeight = nTemp;
+ nX -= nWidth;
+ }
+ }
+ else
+ {
+ nX += nBaseX;
+ nY += nBaseY;
+ // inflate because polygons are drawn smaller
+ tools::Rectangle aRect( Point( nX, nY ), Size( nWidth+1, nHeight+1 ) );
+ tools::Polygon aPoly( aRect );
+ aPoly.Rotate( Point( nBaseX, nBaseY ), mpFontInstance->mnOrientation );
+ ImplDrawPolygon( aPoly );
+ return;
+ }
+ }
+
+ nX += nBaseX;
+ nY += nBaseY;
+ mpGraphics->DrawRect( nX, nY, nWidth, nHeight, this ); // original code
+
+}
+
+void OutputDevice::ImplDrawTextBackground( const SalLayout& rSalLayout )
+{
+ const long nWidth = rSalLayout.GetTextWidth() / rSalLayout.GetUnitsPerPixel();
+ const Point aBase = rSalLayout.DrawBase();
+ const long nX = aBase.X();
+ const long nY = aBase.Y();
+
+ if ( mbLineColor || mbInitLineColor )
+ {
+ mpGraphics->SetLineColor();
+ mbInitLineColor = true;
+ }
+ mpGraphics->SetFillColor( GetTextFillColor() );
+ mbInitFillColor = true;
+
+ ImplDrawTextRect( nX, nY, 0, -(mpFontInstance->mxFontMetric->GetAscent() + mnEmphasisAscent),
+ nWidth,
+ mpFontInstance->mnLineHeight+mnEmphasisAscent+mnEmphasisDescent );
+}
+
+tools::Rectangle OutputDevice::ImplGetTextBoundRect( const SalLayout& rSalLayout )
+{
+ Point aPoint = rSalLayout.GetDrawPosition();
+ long nX = aPoint.X();
+ long nY = aPoint.Y();
+
+ long nWidth = rSalLayout.GetTextWidth();
+ long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
+
+ nY -= mpFontInstance->mxFontMetric->GetAscent() + mnEmphasisAscent;
+
+ if ( mpFontInstance->mnOrientation )
+ {
+ long nBaseX = nX, nBaseY = nY;
+ if ( !(mpFontInstance->mnOrientation % 900) )
+ {
+ long nX2 = nX+nWidth;
+ long nY2 = nY+nHeight;
+
+ Point aBasePt( nBaseX, nBaseY );
+ aBasePt.RotateAround( nX, nY, mpFontInstance->mnOrientation );
+ aBasePt.RotateAround( nX2, nY2, mpFontInstance->mnOrientation );
+ nWidth = nX2-nX;
+ nHeight = nY2-nY;
+ }
+ else
+ {
+ // inflate by +1+1 because polygons are drawn smaller
+ tools::Rectangle aRect( Point( nX, nY ), Size( nWidth+1, nHeight+1 ) );
+ tools::Polygon aPoly( aRect );
+ aPoly.Rotate( Point( nBaseX, nBaseY ), mpFontInstance->mnOrientation );
+ return aPoly.GetBoundRect();
+ }
+ }
+
+ return tools::Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) );
+}
+
+bool OutputDevice::ImplDrawRotateText( SalLayout& rSalLayout )
+{
+ long nX = rSalLayout.DrawBase().X();
+ long nY = rSalLayout.DrawBase().Y();
+
+ tools::Rectangle aBoundRect;
+ rSalLayout.DrawBase() = Point( 0, 0 );
+ rSalLayout.DrawOffset() = Point( 0, 0 );
+ if (!rSalLayout.GetBoundRect(aBoundRect))
+ {
+ // guess vertical text extents if GetBoundRect failed
+ long nRight = rSalLayout.GetTextWidth();
+ long nTop = mpFontInstance->mxFontMetric->GetAscent() + mnEmphasisAscent;
+ long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
+ aBoundRect = tools::Rectangle( 0, -nTop, nRight, nHeight - nTop );
+ }
+
+ // cache virtual device for rotation
+ if (!mpOutDevData->mpRotateDev)
+ mpOutDevData->mpRotateDev = VclPtr<VirtualDevice>::Create(*this, DeviceFormat::BITMASK);
+ VirtualDevice* pVDev = mpOutDevData->mpRotateDev;
+
+ // size it accordingly
+ if( !pVDev->SetOutputSizePixel( aBoundRect.GetSize() ) )
+ return false;
+
+ const FontSelectPattern& rPattern = mpFontInstance->GetFontSelectPattern();
+ vcl::Font aFont( GetFont() );
+ aFont.SetOrientation( 0 );
+ aFont.SetFontSize( Size( rPattern.mnWidth, rPattern.mnHeight ) );
+ pVDev->SetFont( aFont );
+ pVDev->SetTextColor( COL_BLACK );
+ pVDev->SetTextFillColor();
+ if (!pVDev->InitFont())
+ return false;
+ pVDev->ImplInitTextColor();
+
+ // draw text into upper left corner
+ rSalLayout.DrawBase() -= aBoundRect.TopLeft();
+ rSalLayout.DrawText( *pVDev->mpGraphics );
+
+ Bitmap aBmp = pVDev->GetBitmap( Point(), aBoundRect.GetSize() );
+ if ( !aBmp || !aBmp.Rotate( mpFontInstance->mnOwnOrientation, COL_WHITE ) )
+ return false;
+
+ // calculate rotation offset
+ tools::Polygon aPoly( aBoundRect );
+ aPoly.Rotate( Point(), mpFontInstance->mnOwnOrientation );
+ Point aPoint = aPoly.GetBoundRect().TopLeft();
+ aPoint += Point( nX, nY );
+
+ // mask output with text colored bitmap
+ GDIMetaFile* pOldMetaFile = mpMetaFile;
+ long nOldOffX = mnOutOffX;
+ long nOldOffY = mnOutOffY;
+ bool bOldMap = mbMap;
+
+ mnOutOffX = 0;
+ mnOutOffY = 0;
+ mpMetaFile = nullptr;
+ EnableMapMode( false );
+
+ DrawMask( aPoint, aBmp, GetTextColor() );
+
+ EnableMapMode( bOldMap );
+ mnOutOffX = nOldOffX;
+ mnOutOffY = nOldOffY;
+ mpMetaFile = pOldMetaFile;
+
+ return true;
+}
+
+void OutputDevice::ImplDrawTextDirect( SalLayout& rSalLayout,
+ bool bTextLines)
+{
+ if( mpFontInstance->mnOwnOrientation )
+ if( ImplDrawRotateText( rSalLayout ) )
+ return;
+
+ long nOldX = rSalLayout.DrawBase().X();
+ if( HasMirroredGraphics() )
+ {
+ long w = IsVirtual() ? mnOutWidth : mpGraphics->GetGraphicsWidth();
+ long x = rSalLayout.DrawBase().X();
+ rSalLayout.DrawBase().setX( w - 1 - x );
+ if( !IsRTLEnabled() )
+ {
+ OutputDevice *pOutDevRef = this;
+ // mirror this window back
+ long devX = w-pOutDevRef->mnOutWidth-pOutDevRef->mnOutOffX; // re-mirrored mnOutOffX
+ rSalLayout.DrawBase().setX( devX + ( pOutDevRef->mnOutWidth - 1 - (rSalLayout.DrawBase().X() - devX) ) ) ;
+ }
+ }
+ else if( IsRTLEnabled() )
+ {
+ OutputDevice *pOutDevRef = this;
+
+ // mirror this window back
+ long devX = pOutDevRef->mnOutOffX; // re-mirrored mnOutOffX
+ rSalLayout.DrawBase().setX( pOutDevRef->mnOutWidth - 1 - (rSalLayout.DrawBase().X() - devX) + devX );
+ }
+
+ rSalLayout.DrawText( *mpGraphics );
+ rSalLayout.DrawBase().setX( nOldX );
+
+ if( bTextLines )
+ ImplDrawTextLines( rSalLayout,
+ maFont.GetStrikeout(), maFont.GetUnderline(), maFont.GetOverline(),
+ maFont.IsWordLineMode(), maFont.IsUnderlineAbove() );
+
+ // emphasis marks
+ if( maFont.GetEmphasisMark() & FontEmphasisMark::Style )
+ ImplDrawEmphasisMarks( rSalLayout );
+}
+
+void OutputDevice::ImplDrawSpecialText( SalLayout& rSalLayout )
+{
+ Color aOldColor = GetTextColor();
+ Color aOldTextLineColor = GetTextLineColor();
+ Color aOldOverlineColor = GetOverlineColor();
+ FontRelief eRelief = maFont.GetRelief();
+
+ Point aOrigPos = rSalLayout.DrawBase();
+ if ( eRelief != FontRelief::NONE )
+ {
+ Color aReliefColor( COL_LIGHTGRAY );
+ Color aTextColor( aOldColor );
+
+ Color aTextLineColor( aOldTextLineColor );
+ Color aOverlineColor( aOldOverlineColor );
+
+ // we don't have an automatic color, so black is always drawn on white
+ if ( aTextColor == COL_BLACK )
+ aTextColor = COL_WHITE;
+ if ( aTextLineColor == COL_BLACK )
+ aTextLineColor = COL_WHITE;
+ if ( aOverlineColor == COL_BLACK )
+ aOverlineColor = COL_WHITE;
+
+ // relief-color is black for white text, in all other cases
+ // we set this to LightGray
+ // coverity[copy_paste_error: FALSE] - this is intentional
+ if ( aTextColor == COL_WHITE )
+ aReliefColor = COL_BLACK;
+ SetTextLineColor( aReliefColor );
+ SetOverlineColor( aReliefColor );
+ SetTextColor( aReliefColor );
+ ImplInitTextColor();
+
+ // calculate offset - for high resolution printers the offset
+ // should be greater so that the effect is visible
+ long nOff = 1;
+ nOff += mnDPIX/300;
+
+ if ( eRelief == FontRelief::Engraved )
+ nOff = -nOff;
+ rSalLayout.DrawOffset() += Point( nOff, nOff);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawOffset() -= Point( nOff, nOff);
+
+ SetTextLineColor( aTextLineColor );
+ SetOverlineColor( aOverlineColor );
+ SetTextColor( aTextColor );
+ ImplInitTextColor();
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+
+ SetTextLineColor( aOldTextLineColor );
+ SetOverlineColor( aOldOverlineColor );
+
+ if ( aTextColor != aOldColor )
+ {
+ SetTextColor( aOldColor );
+ ImplInitTextColor();
+ }
+ }
+ else
+ {
+ if ( maFont.IsShadow() )
+ {
+ long nOff = 1 + ((mpFontInstance->mnLineHeight-24)/24);
+ if ( maFont.IsOutline() )
+ nOff++;
+ SetTextLineColor();
+ SetOverlineColor();
+ if ( (GetTextColor() == COL_BLACK)
+ || (GetTextColor().GetLuminance() < 8) )
+ SetTextColor( COL_LIGHTGRAY );
+ else
+ SetTextColor( COL_BLACK );
+ ImplInitTextColor();
+ rSalLayout.DrawBase() += Point( nOff, nOff );
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() -= Point( nOff, nOff );
+ SetTextColor( aOldColor );
+ SetTextLineColor( aOldTextLineColor );
+ SetOverlineColor( aOldOverlineColor );
+ ImplInitTextColor();
+
+ if ( !maFont.IsOutline() )
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ }
+
+ if ( maFont.IsOutline() )
+ {
+ rSalLayout.DrawBase() = aOrigPos + Point(-1,-1);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(+1,+1);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(-1,+0);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(-1,+1);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(+0,+1);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(+0,-1);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(+1,-1);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos + Point(+1,+0);
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ rSalLayout.DrawBase() = aOrigPos;
+
+ SetTextColor( COL_WHITE );
+ SetTextLineColor( COL_WHITE );
+ SetOverlineColor( COL_WHITE );
+ ImplInitTextColor();
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+ SetTextColor( aOldColor );
+ SetTextLineColor( aOldTextLineColor );
+ SetOverlineColor( aOldOverlineColor );
+ ImplInitTextColor();
+ }
+ }
+}
+
+void OutputDevice::ImplDrawText( SalLayout& rSalLayout )
+{
+
+ if( mbInitClipRegion )
+ InitClipRegion();
+ if( mbOutputClipped )
+ return;
+ if( mbInitTextColor )
+ ImplInitTextColor();
+
+ rSalLayout.DrawBase() += Point( mnTextOffX, mnTextOffY );
+
+ if( IsTextFillColor() )
+ ImplDrawTextBackground( rSalLayout );
+
+ if( mbTextSpecial )
+ ImplDrawSpecialText( rSalLayout );
+ else
+ ImplDrawTextDirect( rSalLayout, mbTextLines );
+}
+
+long OutputDevice::ImplGetTextLines( ImplMultiTextLineInfo& rLineInfo,
+ long nWidth, const OUString& rStr,
+ DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout )
+{
+ SAL_WARN_IF( nWidth <= 0, "vcl", "ImplGetTextLines: nWidth <= 0!" );
+
+ if ( nWidth <= 0 )
+ nWidth = 1;
+
+ long nMaxLineWidth = 0;
+ rLineInfo.Clear();
+ if (!rStr.isEmpty())
+ {
+ const bool bHyphenate = (nStyle & DrawTextFlags::WordBreakHyphenation) == DrawTextFlags::WordBreakHyphenation;
+ css::uno::Reference< css::linguistic2::XHyphenator > xHyph;
+ if (bHyphenate)
+ {
+ // get service provider
+ css::uno::Reference<css::uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+ css::uno::Reference<css::linguistic2::XLinguServiceManager2> xLinguMgr = css::linguistic2::LinguServiceManager::create(xContext);
+ xHyph = xLinguMgr->getHyphenator();
+ }
+
+ css::uno::Reference<css::i18n::XBreakIterator> xBI;
+ sal_Int32 nPos = 0;
+ sal_Int32 nLen = rStr.getLength();
+ while ( nPos < nLen )
+ {
+ sal_Int32 nBreakPos = nPos;
+
+ while ( ( nBreakPos < nLen ) && ( rStr[ nBreakPos ] != '\r' ) && ( rStr[ nBreakPos ] != '\n' ) )
+ nBreakPos++;
+
+ long nLineWidth = _rLayout.GetTextWidth( rStr, nPos, nBreakPos-nPos );
+ if ( ( nLineWidth > nWidth ) && ( nStyle & DrawTextFlags::WordBreak ) )
+ {
+ if ( !xBI.is() )
+ xBI = vcl::unohelper::CreateBreakIterator();
+
+ if ( xBI.is() )
+ {
+ const css::lang::Locale& rDefLocale(Application::GetSettings().GetUILanguageTag().getLocale());
+ sal_Int32 nSoftBreak = _rLayout.GetTextBreak( rStr, nWidth, nPos, nBreakPos - nPos );
+ if (nSoftBreak == -1)
+ {
+ nSoftBreak = nPos;
+ }
+ SAL_WARN_IF( nSoftBreak >= nBreakPos, "vcl", "Break?!" );
+ css::i18n::LineBreakHyphenationOptions aHyphOptions( xHyph, css::uno::Sequence <css::beans::PropertyValue>(), 1 );
+ css::i18n::LineBreakUserOptions aUserOptions;
+ css::i18n::LineBreakResults aLBR = xBI->getLineBreak( rStr, nSoftBreak, rDefLocale, nPos, aHyphOptions, aUserOptions );
+ nBreakPos = aLBR.breakIndex;
+ if ( nBreakPos <= nPos )
+ nBreakPos = nSoftBreak;
+ if ( bHyphenate )
+ {
+ // Whether hyphen or not: Put the word after the hyphen through
+ // word boundary.
+
+ // nMaxBreakPos the last char that fits into the line
+ // nBreakPos is the word's start
+
+ // We run into a problem if the doc is so narrow, that a word
+ // is broken into more than two lines ...
+ if ( xHyph.is() )
+ {
+ sal_Unicode cAlternateReplChar = 0;
+ css::i18n::Boundary aBoundary = xBI->getWordBoundary( rStr, nBreakPos, rDefLocale, css::i18n::WordType::DICTIONARY_WORD, true );
+ sal_Int32 nWordStart = nPos;
+ sal_Int32 nWordEnd = aBoundary.endPos;
+ SAL_WARN_IF( nWordEnd <= nWordStart, "vcl", "ImpBreakLine: Start >= End?" );
+
+ sal_Int32 nWordLen = nWordEnd - nWordStart;
+ if ( ( nWordEnd >= nSoftBreak ) && ( nWordLen > 3 ) )
+ {
+ // #104415# May happen, because getLineBreak may differ from getWordBoudary with DICTIONARY_WORD
+ // SAL_WARN_IF( nWordEnd < nMaxBreakPos, "vcl", "Hyph: Break?" );
+ OUString aWord = rStr.copy( nWordStart, nWordLen );
+ sal_Int32 nMinTrail = nWordEnd-nSoftBreak+1; //+1: Before the "broken off" char
+ css::uno::Reference< css::linguistic2::XHyphenatedWord > xHyphWord;
+ if (xHyph.is())
+ xHyphWord = xHyph->hyphenate( aWord, rDefLocale, aWord.getLength() - nMinTrail, css::uno::Sequence< css::beans::PropertyValue >() );
+ if (xHyphWord.is())
+ {
+ bool bAlternate = xHyphWord->isAlternativeSpelling();
+ sal_Int32 _nWordLen = 1 + xHyphWord->getHyphenPos();
+
+ if ( ( _nWordLen >= 2 ) && ( (nWordStart+_nWordLen) >= 2 ) )
+ {
+ if ( !bAlternate )
+ {
+ nBreakPos = nWordStart + _nWordLen;
+ }
+ else
+ {
+ OUString aAlt( xHyphWord->getHyphenatedWord() );
+
+ // We can have two cases:
+ // 1) "packen" turns into "pak-ken"
+ // 2) "Schiffahrt" turns into "Schiff-fahrt"
+
+ // In case 1 we need to replace a char
+ // In case 2 we add a char
+
+ // Correct recognition is made harder by words such as
+ // "Schiffahrtsbrennesseln", as the Hyphenator splits all
+ // positions of the word and comes up with "Schifffahrtsbrennnesseln"
+ // Thus, we cannot infer the aWord from the AlternativeWord's
+ // index.
+ // TODO: The whole junk will be made easier by a function in
+ // the Hyphenator, as soon as AMA adds it.
+ sal_Int32 nAltStart = _nWordLen - 1;
+ sal_Int32 nTxtStart = nAltStart - (aAlt.getLength() - aWord.getLength());
+ sal_Int32 nTxtEnd = nTxtStart;
+ sal_Int32 nAltEnd = nAltStart;
+
+ // The area between nStart and nEnd is the difference
+ // between AlternativeString and OriginalString
+ while( nTxtEnd < aWord.getLength() && nAltEnd < aAlt.getLength() &&
+ aWord[nTxtEnd] != aAlt[nAltEnd] )
+ {
+ ++nTxtEnd;
+ ++nAltEnd;
+ }
+
+ // If a char was added, we notice it now:
+ if( nAltEnd > nTxtEnd && nAltStart == nAltEnd &&
+ aWord[ nTxtEnd ] == aAlt[nAltEnd] )
+ {
+ ++nAltEnd;
+ ++nTxtStart;
+ ++nTxtEnd;
+ }
+
+ SAL_WARN_IF( ( nAltEnd - nAltStart ) != 1, "vcl", "Alternate: Wrong assumption!" );
+
+ if ( nTxtEnd > nTxtStart )
+ cAlternateReplChar = aAlt[ nAltStart ];
+
+ nBreakPos = nWordStart + nTxtStart;
+ if ( cAlternateReplChar )
+ nBreakPos++;
+ }
+ }
+ }
+ }
+ }
+ }
+ nLineWidth = _rLayout.GetTextWidth( rStr, nPos, nBreakPos-nPos );
+ }
+ else
+ {
+ // fallback to something really simple
+ sal_Int32 nSpacePos = rStr.getLength();
+ long nW = 0;
+ do
+ {
+ nSpacePos = rStr.lastIndexOf( ' ', nSpacePos );
+ if( nSpacePos != -1 )
+ {
+ if( nSpacePos > nPos )
+ nSpacePos--;
+ nW = _rLayout.GetTextWidth( rStr, nPos, nSpacePos-nPos );
+ }
+ } while( nW > nWidth );
+
+ if( nSpacePos != -1 )
+ {
+ nBreakPos = nSpacePos;
+ nLineWidth = _rLayout.GetTextWidth( rStr, nPos, nBreakPos-nPos );
+ if( nBreakPos < rStr.getLength()-1 )
+ nBreakPos++;
+ }
+ }
+ }
+
+ if ( nLineWidth > nMaxLineWidth )
+ nMaxLineWidth = nLineWidth;
+
+ rLineInfo.AddLine( new ImplTextLineInfo( nLineWidth, nPos, nBreakPos-nPos ) );
+
+ if ( nBreakPos == nPos )
+ nBreakPos++;
+ nPos = nBreakPos;
+
+ if ( nPos < nLen && ( ( rStr[ nPos ] == '\r' ) || ( rStr[ nPos ] == '\n' ) ) )
+ {
+ nPos++;
+ // CR/LF?
+ if ( ( nPos < nLen ) && ( rStr[ nPos ] == '\n' ) && ( rStr[ nPos-1 ] == '\r' ) )
+ nPos++;
+ }
+ }
+ }
+#ifdef DBG_UTIL
+ for ( sal_Int32 nL = 0; nL < rLineInfo.Count(); nL++ )
+ {
+ ImplTextLineInfo* pLine = rLineInfo.GetLine( nL );
+ OUString aLine = rStr.copy( pLine->GetIndex(), pLine->GetLen() );
+ SAL_WARN_IF( aLine.indexOf( '\r' ) != -1, "vcl", "ImplGetTextLines - Found CR!" );
+ SAL_WARN_IF( aLine.indexOf( '\n' ) != -1, "vcl", "ImplGetTextLines - Found LF!" );
+ }
+#endif
+
+ return nMaxLineWidth;
+}
+
+void OutputDevice::SetTextColor( const Color& rColor )
+{
+
+ Color aColor( rColor );
+
+ if ( mnDrawMode & ( DrawModeFlags::BlackText | DrawModeFlags::WhiteText |
+ DrawModeFlags::GrayText |
+ DrawModeFlags::SettingsText ) )
+ {
+ if ( mnDrawMode & DrawModeFlags::BlackText )
+ aColor = COL_BLACK;
+ else if ( mnDrawMode & DrawModeFlags::WhiteText )
+ aColor = COL_WHITE;
+ else if ( mnDrawMode & DrawModeFlags::GrayText )
+ {
+ const sal_uInt8 cLum = aColor.GetLuminance();
+ aColor = Color( cLum, cLum, cLum );
+ }
+ else if ( mnDrawMode & DrawModeFlags::SettingsText )
+ aColor = GetSettings().GetStyleSettings().GetFontColor();
+ }
+
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaTextColorAction( aColor ) );
+
+ if ( maTextColor != aColor )
+ {
+ maTextColor = aColor;
+ mbInitTextColor = true;
+ }
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->SetTextColor( COL_BLACK );
+}
+
+void OutputDevice::SetTextFillColor()
+{
+
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaTextFillColorAction( Color(), false ) );
+
+ if ( maFont.GetColor() != COL_TRANSPARENT ) {
+ maFont.SetFillColor( COL_TRANSPARENT );
+ }
+ if ( !maFont.IsTransparent() )
+ maFont.SetTransparent( true );
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->SetTextFillColor();
+}
+
+void OutputDevice::SetTextFillColor( const Color& rColor )
+{
+ Color aColor( rColor );
+ bool bTransFill = ImplIsColorTransparent( aColor );
+
+ if ( !bTransFill )
+ {
+ if ( mnDrawMode & ( DrawModeFlags::BlackFill | DrawModeFlags::WhiteFill |
+ DrawModeFlags::GrayFill | DrawModeFlags::NoFill |
+ DrawModeFlags::SettingsFill ) )
+ {
+ if ( mnDrawMode & DrawModeFlags::BlackFill )
+ aColor = COL_BLACK;
+ else if ( mnDrawMode & DrawModeFlags::WhiteFill )
+ aColor = COL_WHITE;
+ else if ( mnDrawMode & DrawModeFlags::GrayFill )
+ {
+ const sal_uInt8 cLum = aColor.GetLuminance();
+ aColor = Color( cLum, cLum, cLum );
+ }
+ else if( mnDrawMode & DrawModeFlags::SettingsFill )
+ aColor = GetSettings().GetStyleSettings().GetWindowColor();
+ else if ( mnDrawMode & DrawModeFlags::NoFill )
+ {
+ aColor = COL_TRANSPARENT;
+ bTransFill = true;
+ }
+ }
+ }
+
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaTextFillColorAction( aColor, true ) );
+
+ if ( maFont.GetFillColor() != aColor )
+ maFont.SetFillColor( aColor );
+ if ( maFont.IsTransparent() != bTransFill )
+ maFont.SetTransparent( bTransFill );
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->SetTextFillColor( COL_BLACK );
+}
+
+Color OutputDevice::GetTextFillColor() const
+{
+ if ( maFont.IsTransparent() )
+ return COL_TRANSPARENT;
+ else
+ return maFont.GetFillColor();
+}
+
+void OutputDevice::SetTextAlign( TextAlign eAlign )
+{
+
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaTextAlignAction( eAlign ) );
+
+ if ( maFont.GetAlignment() != eAlign )
+ {
+ maFont.SetAlignment( eAlign );
+ mbNewFont = true;
+ }
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->SetTextAlign( eAlign );
+}
+
+vcl::Region OutputDevice::GetOutputBoundsClipRegion() const
+{
+ return GetClipRegion();
+}
+
+void OutputDevice::DrawText( const Point& rStartPt, const OUString& rStr,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ MetricVector* pVector, OUString* pDisplayText,
+ const SalLayoutGlyphs* pLayoutCache
+ )
+{
+ assert(!is_double_buffered_window());
+
+ if( (nLen < 0) || (nIndex + nLen >= rStr.getLength()))
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+
+ if (mpOutDevData->mpRecordLayout)
+ {
+ pVector = &mpOutDevData->mpRecordLayout->m_aUnicodeBoundRects;
+ pDisplayText = &mpOutDevData->mpRecordLayout->m_aDisplayText;
+ }
+
+#if OSL_DEBUG_LEVEL > 2
+ SAL_INFO("vcl.gdi", "OutputDevice::DrawText(\"" << rStr << "\")");
+#endif
+
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaTextAction( rStartPt, rStr, nIndex, nLen ) );
+ if( pVector )
+ {
+ vcl::Region aClip(GetOutputBoundsClipRegion());
+
+ if (mpOutDevData->mpRecordLayout)
+ {
+ mpOutDevData->mpRecordLayout->m_aLineIndices.push_back( mpOutDevData->mpRecordLayout->m_aDisplayText.getLength() );
+ aClip.Intersect( mpOutDevData->maRecordRect );
+ }
+ if( ! aClip.IsNull() )
+ {
+ MetricVector aTmp;
+ GetGlyphBoundRects( rStartPt, rStr, nIndex, nLen, aTmp );
+
+ bool bInserted = false;
+ for( MetricVector::const_iterator it = aTmp.begin(); it != aTmp.end(); ++it, nIndex++ )
+ {
+ bool bAppend = false;
+
+ if( aClip.IsOver( *it ) )
+ bAppend = true;
+ else if( rStr[ nIndex ] == ' ' && bInserted )
+ {
+ MetricVector::const_iterator next = it;
+ ++next;
+ if( next != aTmp.end() && aClip.IsOver( *next ) )
+ bAppend = true;
+ }
+
+ if( bAppend )
+ {
+ pVector->push_back( *it );
+ if( pDisplayText )
+ *pDisplayText += OUStringChar(rStr[ nIndex ]);
+ bInserted = true;
+ }
+ }
+ }
+ else
+ {
+ GetGlyphBoundRects( rStartPt, rStr, nIndex, nLen, *pVector );
+ if( pDisplayText )
+ *pDisplayText += rStr.copy( nIndex, nLen );
+ }
+ }
+
+ if ( !IsDeviceOutputNecessary() || pVector )
+ return;
+
+ if(mpFontInstance)
+ // do not use cache with modified string
+ if(mpFontInstance->mpConversion)
+ pLayoutCache = nullptr;
+
+#ifdef MACOSX
+ // FIXME: tdf#112990
+ // Cache text layout crashes on mac with OpenGL enabled
+ // Force it to not use the cache
+ if(OpenGLHelper::isVCLOpenGLEnabled())
+ pLayoutCache = nullptr;
+#endif
+
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, 0, nullptr, SalLayoutFlags::NONE, nullptr, pLayoutCache);
+ if(pSalLayout)
+ {
+ ImplDrawText( *pSalLayout );
+ }
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->DrawText( rStartPt, rStr, nIndex, nLen, pVector, pDisplayText );
+}
+
+long OutputDevice::GetTextWidth( const OUString& rStr, sal_Int32 nIndex, sal_Int32 nLen,
+ vcl::TextLayoutCache const*const pLayoutCache,
+ SalLayoutGlyphs const*const pSalLayoutCache) const
+{
+
+ long nWidth = GetTextArray( rStr, nullptr, nIndex,
+ nLen, pLayoutCache, pSalLayoutCache );
+
+ return nWidth;
+}
+
+long OutputDevice::GetTextHeight() const
+{
+ if (!InitFont())
+ return 0;
+
+ long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
+
+ if ( mbMap )
+ nHeight = ImplDevicePixelToLogicHeight( nHeight );
+
+ return nHeight;
+}
+
+float OutputDevice::approximate_char_width() const
+{
+ //note pango uses "The quick brown fox jumps over the lazy dog." for english
+ //and has a bunch of per-language strings which corresponds somewhat with
+ //makeRepresentativeText in include/svtools/sampletext.hxx
+ return GetTextWidth("aemnnxEM") / 8.0;
+}
+
+float OutputDevice::approximate_digit_width() const
+{
+ return GetTextWidth("0123456789") / 10.0;
+}
+
+void OutputDevice::DrawTextArray( const Point& rStartPt, const OUString& rStr,
+ const long* pDXAry,
+ sal_Int32 nIndex, sal_Int32 nLen, SalLayoutFlags flags,
+ const SalLayoutGlyphs* pSalLayoutCache )
+{
+ assert(!is_double_buffered_window());
+
+ if( nLen < 0 || nIndex + nLen >= rStr.getLength() )
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaTextArrayAction( rStartPt, rStr, pDXAry, nIndex, nLen ) );
+
+ if ( !IsDeviceOutputNecessary() )
+ return;
+ if( !mpGraphics && !AcquireGraphics() )
+ return;
+ if( mbInitClipRegion )
+ InitClipRegion();
+ if( mbOutputClipped )
+ return;
+
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, 0, pDXAry, flags, nullptr, pSalLayoutCache);
+ if( pSalLayout )
+ {
+ ImplDrawText( *pSalLayout );
+ }
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->DrawTextArray( rStartPt, rStr, pDXAry, nIndex, nLen, flags );
+}
+
+long OutputDevice::GetTextArray( const OUString& rStr, long* pDXAry,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ vcl::TextLayoutCache const*const pLayoutCache,
+ SalLayoutGlyphs const*const pSalLayoutCache) const
+{
+ if( nIndex >= rStr.getLength() )
+ return 0; // TODO: this looks like a buggy caller?
+
+ if( nLen < 0 || nIndex + nLen >= rStr.getLength() )
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+
+ // do layout
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen,
+ Point(0,0), 0, nullptr, SalLayoutFlags::NONE, pLayoutCache, pSalLayoutCache);
+ if( !pSalLayout )
+ {
+ // The caller expects this to init the elements of pDXAry.
+ // Adapting all the callers to check that GetTextArray succeeded seems
+ // too much work.
+ // Init here to 0 only in the (rare) error case, so that any missing
+ // element init in the happy case will still be found by tools,
+ // and hope that is sufficient.
+ if (pDXAry)
+ {
+ memset(pDXAry, 0, nLen * sizeof(*pDXAry));
+ }
+ return 0;
+ }
+
+#if VCL_FLOAT_DEVICE_PIXEL
+ std::unique_ptr<DeviceCoordinate[]> pDXPixelArray;
+ if(pDXAry)
+ {
+ pDXPixelArray.reset(new DeviceCoordinate[nLen]);
+ }
+ DeviceCoordinate nWidth = pSalLayout->FillDXArray( pDXPixelArray.get() );
+ int nWidthFactor = pSalLayout->GetUnitsPerPixel();
+
+ // convert virtual char widths to virtual absolute positions
+ if( pDXPixelArray )
+ {
+ for( int i = 1; i < nLen; ++i )
+ {
+ pDXPixelArray[ i ] += pDXPixelArray[ i-1 ];
+ }
+ }
+ if( mbMap )
+ {
+ if( pDXPixelArray )
+ {
+ for( int i = 0; i < nLen; ++i )
+ {
+ pDXPixelArray[i] = ImplDevicePixelToLogicWidth( pDXPixelArray[i] );
+ }
+ }
+ nWidth = ImplDevicePixelToLogicWidth( nWidth );
+ }
+ if( nWidthFactor > 1 )
+ {
+ if( pDXPixelArray )
+ {
+ for( int i = 0; i < nLen; ++i )
+ {
+ pDXPixelArray[i] /= nWidthFactor;
+ }
+ }
+ nWidth /= nWidthFactor;
+ }
+ if(pDXAry)
+ {
+ for( int i = 0; i < nLen; ++i )
+ {
+ pDXAry[i] = basegfx::fround(pDXPixelArray[i]);
+ }
+ }
+ return basegfx::fround(nWidth);
+
+#else /* ! VCL_FLOAT_DEVICE_PIXEL */
+
+ long nWidth = pSalLayout->FillDXArray( pDXAry );
+ int nWidthFactor = pSalLayout->GetUnitsPerPixel();
+
+ // convert virtual char widths to virtual absolute positions
+ if( pDXAry )
+ for( int i = 1; i < nLen; ++i )
+ pDXAry[ i ] += pDXAry[ i-1 ];
+
+ // convert from font units to logical units
+ if( mbMap )
+ {
+ if( pDXAry )
+ for( int i = 0; i < nLen; ++i )
+ pDXAry[i] = ImplDevicePixelToLogicWidth( pDXAry[i] );
+ nWidth = ImplDevicePixelToLogicWidth( nWidth );
+ }
+
+ if( nWidthFactor > 1 )
+ {
+ if( pDXAry )
+ for( int i = 0; i < nLen; ++i )
+ pDXAry[i] /= nWidthFactor;
+ nWidth /= nWidthFactor;
+ }
+ return nWidth;
+#endif /* VCL_FLOAT_DEVICE_PIXEL */
+}
+
+void OutputDevice::GetCaretPositions( const OUString& rStr, long* pCaretXArray,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ const SalLayoutGlyphs* pGlyphs ) const
+{
+
+ if( nIndex >= rStr.getLength() )
+ return;
+ if( nIndex+nLen >= rStr.getLength() )
+ nLen = rStr.getLength() - nIndex;
+
+ // layout complex text
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, Point(0, 0), 0, nullptr,
+ SalLayoutFlags::NONE, nullptr, pGlyphs);
+ if( !pSalLayout )
+ return;
+
+ int nWidthFactor = pSalLayout->GetUnitsPerPixel();
+ pSalLayout->GetCaretPositions( 2*nLen, pCaretXArray );
+ long nWidth = pSalLayout->GetTextWidth();
+
+ // fixup unknown caret positions
+ int i;
+ for( i = 0; i < 2 * nLen; ++i )
+ if( pCaretXArray[ i ] >= 0 )
+ break;
+ long nXPos = pCaretXArray[ i ];
+ for( i = 0; i < 2 * nLen; ++i )
+ {
+ if( pCaretXArray[ i ] >= 0 )
+ nXPos = pCaretXArray[ i ];
+ else
+ pCaretXArray[ i ] = nXPos;
+ }
+
+ // handle window mirroring
+ if( IsRTLEnabled() )
+ {
+ for( i = 0; i < 2 * nLen; ++i )
+ pCaretXArray[i] = nWidth - pCaretXArray[i] - 1;
+ }
+
+ // convert from font units to logical units
+ if( mbMap )
+ {
+ for( i = 0; i < 2*nLen; ++i )
+ pCaretXArray[i] = ImplDevicePixelToLogicWidth( pCaretXArray[i] );
+ }
+
+ if( nWidthFactor != 1 )
+ {
+ for( i = 0; i < 2*nLen; ++i )
+ pCaretXArray[i] /= nWidthFactor;
+ }
+}
+
+void OutputDevice::DrawStretchText( const Point& rStartPt, sal_uLong nWidth,
+ const OUString& rStr,
+ sal_Int32 nIndex, sal_Int32 nLen)
+{
+ assert(!is_double_buffered_window());
+
+ if( (nLen < 0) || (nIndex + nLen >= rStr.getLength()))
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+
+ if ( mpMetaFile )
+ mpMetaFile->AddAction( new MetaStretchTextAction( rStartPt, nWidth, rStr, nIndex, nLen ) );
+
+ if ( !IsDeviceOutputNecessary() )
+ return;
+
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, nWidth);
+ if( pSalLayout )
+ {
+ ImplDrawText( *pSalLayout );
+ }
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->DrawStretchText( rStartPt, nWidth, rStr, nIndex, nLen );
+}
+
+ImplLayoutArgs OutputDevice::ImplPrepareLayoutArgs( OUString& rStr,
+ const sal_Int32 nMinIndex, const sal_Int32 nLen,
+ DeviceCoordinate nPixelWidth, const DeviceCoordinate* pDXArray,
+ SalLayoutFlags nLayoutFlags,
+ vcl::TextLayoutCache const*const pLayoutCache) const
+{
+ assert(nMinIndex >= 0);
+ assert(nLen >= 0);
+
+ // get string length for calculating extents
+ sal_Int32 nEndIndex = rStr.getLength();
+ if( nMinIndex + nLen < nEndIndex )
+ nEndIndex = nMinIndex + nLen;
+
+ // don't bother if there is nothing to do
+ if( nEndIndex < nMinIndex )
+ nEndIndex = nMinIndex;
+
+ if( mnTextLayoutMode & ComplexTextLayoutFlags::BiDiRtl )
+ nLayoutFlags |= SalLayoutFlags::BiDiRtl;
+ if( mnTextLayoutMode & ComplexTextLayoutFlags::BiDiStrong )
+ nLayoutFlags |= SalLayoutFlags::BiDiStrong;
+ else if( !(mnTextLayoutMode & ComplexTextLayoutFlags::BiDiRtl) )
+ {
+ // Disable Bidi if no RTL hint and only known LTR codes used.
+ bool bAllLtr = true;
+ for (sal_Int32 i = nMinIndex; i < nEndIndex; i++)
+ {
+ // [0x0000, 0x052F] are Latin, Greek and Cyrillic.
+ // [0x0370, 0x03FF] has a few holes as if Unicode 10.0.0, but
+ // hopefully no RTL character will be encoded there.
+ if (rStr[i] > 0x052F)
+ {
+ bAllLtr = false;
+ break;
+ }
+ }
+ if (bAllLtr)
+ nLayoutFlags |= SalLayoutFlags::BiDiStrong;
+ }
+
+ if( !maFont.IsKerning() )
+ nLayoutFlags |= SalLayoutFlags::DisableKerning;
+ if( maFont.GetKerning() & FontKerning::Asian )
+ nLayoutFlags |= SalLayoutFlags::KerningAsian;
+ if( maFont.IsVertical() )
+ nLayoutFlags |= SalLayoutFlags::Vertical;
+
+ if( meTextLanguage ) //TODO: (mnTextLayoutMode & ComplexTextLayoutFlags::SubstituteDigits)
+ {
+ // disable character localization when no digits used
+ const sal_Unicode* pBase = rStr.getStr();
+ const sal_Unicode* pStr = pBase + nMinIndex;
+ const sal_Unicode* pEnd = pBase + nEndIndex;
+ std::optional<OUStringBuffer> xTmpStr;
+ for( ; pStr < pEnd; ++pStr )
+ {
+ // TODO: are there non-digit localizations?
+ if( (*pStr >= '0') && (*pStr <= '9') )
+ {
+ // translate characters to local preference
+ sal_UCS4 cChar = GetLocalizedChar( *pStr, meTextLanguage );
+ if( cChar != *pStr )
+ {
+ if (!xTmpStr)
+ xTmpStr = OUStringBuffer(rStr);
+ // TODO: are the localized digit surrogates?
+ (*xTmpStr)[pStr - pBase] = cChar;
+ }
+ }
+ }
+ if (xTmpStr)
+ rStr = (*xTmpStr).makeStringAndClear();
+ }
+
+ // right align for RTL text, DRAWPOS_REVERSED, RTL window style
+ bool bRightAlign = bool(mnTextLayoutMode & ComplexTextLayoutFlags::BiDiRtl);
+ if( mnTextLayoutMode & ComplexTextLayoutFlags::TextOriginLeft )
+ bRightAlign = false;
+ else if ( mnTextLayoutMode & ComplexTextLayoutFlags::TextOriginRight )
+ bRightAlign = true;
+ // SSA: hack for western office, ie text get right aligned
+ // for debugging purposes of mirrored UI
+ bool bRTLWindow = IsRTLEnabled();
+ bRightAlign ^= bRTLWindow;
+ if( bRightAlign )
+ nLayoutFlags |= SalLayoutFlags::RightAlign;
+
+ // set layout options
+ ImplLayoutArgs aLayoutArgs(rStr, nMinIndex, nEndIndex, nLayoutFlags, maFont.GetLanguageTag(), pLayoutCache);
+
+ int nOrientation = mpFontInstance ? mpFontInstance->mnOrientation : 0;
+ aLayoutArgs.SetOrientation( nOrientation );
+
+ aLayoutArgs.SetLayoutWidth( nPixelWidth );
+ aLayoutArgs.SetDXArray( pDXArray );
+
+ return aLayoutArgs;
+}
+
+std::unique_ptr<SalLayout> OutputDevice::ImplLayout(const OUString& rOrigStr,
+ sal_Int32 nMinIndex, sal_Int32 nLen,
+ const Point& rLogicalPos, long nLogicalWidth,
+ const long* pDXArray, SalLayoutFlags flags,
+ vcl::TextLayoutCache const* pLayoutCache,
+ const SalLayoutGlyphs* pGlyphs) const
+{
+ if (pGlyphs && !pGlyphs->IsValid())
+ {
+ SAL_WARN("vcl", "Trying to setup invalid cached glyphs - falling back to relayout!");
+ pGlyphs = nullptr;
+ }
+
+ if (!InitFont())
+ return nullptr;
+
+ // check string index and length
+ if( -1 == nLen || nMinIndex + nLen > rOrigStr.getLength() )
+ {
+ const sal_Int32 nNewLen = rOrigStr.getLength() - nMinIndex;
+ if( nNewLen <= 0 )
+ return nullptr;
+ nLen = nNewLen;
+ }
+
+ OUString aStr = rOrigStr;
+
+ // convert from logical units to physical units
+ // recode string if needed
+ if( mpFontInstance->mpConversion ) {
+ mpFontInstance->mpConversion->RecodeString( aStr, 0, aStr.getLength() );
+ pLayoutCache = nullptr; // don't use cache with modified string!
+ pGlyphs = nullptr;
+ }
+
+ DeviceCoordinate nPixelWidth = static_cast<DeviceCoordinate>(nLogicalWidth);
+ if( nLogicalWidth && mbMap )
+ {
+ nPixelWidth = LogicWidthToDeviceCoordinate( nLogicalWidth );
+ }
+
+ std::unique_ptr<DeviceCoordinate[]> xDXPixelArray;
+ DeviceCoordinate* pDXPixelArray(nullptr);
+ if( pDXArray)
+ {
+ if(mbMap)
+ {
+ // convert from logical units to font units using a temporary array
+ xDXPixelArray.reset(new DeviceCoordinate[nLen]);
+ pDXPixelArray = xDXPixelArray.get();
+ // using base position for better rounding a.k.a. "dancing characters"
+ DeviceCoordinate nPixelXOfs = LogicWidthToDeviceCoordinate( rLogicalPos.X() );
+ for( int i = 0; i < nLen; ++i )
+ {
+ pDXPixelArray[i] = LogicWidthToDeviceCoordinate( rLogicalPos.X() + pDXArray[i] ) - nPixelXOfs;
+ }
+ }
+ else
+ {
+#if VCL_FLOAT_DEVICE_PIXEL
+ xDXPixelArray.reset(new DeviceCoordinate[nLen]);
+ pDXPixelArray = xDXPixelArray.get();
+ for( int i = 0; i < nLen; ++i )
+ {
+ pDXPixelArray[i] = pDXArray[i];
+ }
+#else /* !VCL_FLOAT_DEVICE_PIXEL */
+ pDXPixelArray = const_cast<DeviceCoordinate*>(pDXArray);
+#endif /* !VCL_FLOAT_DEVICE_PIXEL */
+ }
+ }
+
+ ImplLayoutArgs aLayoutArgs = ImplPrepareLayoutArgs( aStr, nMinIndex, nLen,
+ nPixelWidth, pDXPixelArray, flags, pLayoutCache);
+
+ // get matching layout object for base font
+ std::unique_ptr<SalLayout> pSalLayout = mpGraphics->GetTextLayout(0);
+
+ // layout text
+ if( pSalLayout && !pSalLayout->LayoutText( aLayoutArgs, pGlyphs ) )
+ {
+ pSalLayout.reset();
+ }
+
+ if( !pSalLayout )
+ return nullptr;
+
+ // do glyph fallback if needed
+ // #105768# avoid fallback for very small font sizes
+ if (aLayoutArgs.NeedFallback() && mpFontInstance->GetFontSelectPattern().mnHeight >= 3)
+ pSalLayout = ImplGlyphFallbackLayout(std::move(pSalLayout), aLayoutArgs);
+
+ if (flags & SalLayoutFlags::GlyphItemsOnly)
+ // Return glyph items only after fallback handling. Otherwise they may
+ // contain invalid glyph IDs.
+ return pSalLayout;
+
+ // position, justify, etc. the layout
+ pSalLayout->AdjustLayout( aLayoutArgs );
+ pSalLayout->DrawBase() = ImplLogicToDevicePixel( rLogicalPos );
+ // adjust to right alignment if necessary
+ if( aLayoutArgs.mnFlags & SalLayoutFlags::RightAlign )
+ {
+ DeviceCoordinate nRTLOffset;
+ if( pDXPixelArray )
+ nRTLOffset = pDXPixelArray[ nLen - 1 ];
+ else if( nPixelWidth )
+ nRTLOffset = nPixelWidth;
+ else
+ nRTLOffset = pSalLayout->GetTextWidth() / pSalLayout->GetUnitsPerPixel();
+ pSalLayout->DrawOffset().setX( 1 - nRTLOffset );
+ }
+
+ return pSalLayout;
+}
+
+std::shared_ptr<vcl::TextLayoutCache> OutputDevice::CreateTextLayoutCache(
+ OUString const& rString)
+{
+ return GenericSalLayout::CreateTextLayoutCache(rString);
+}
+
+bool OutputDevice::GetTextIsRTL( const OUString& rString, sal_Int32 nIndex, sal_Int32 nLen ) const
+{
+ OUString aStr( rString );
+ ImplLayoutArgs aArgs = ImplPrepareLayoutArgs( aStr, nIndex, nLen, 0, nullptr );
+ bool bRTL = false;
+ int nCharPos = -1;
+ if (!aArgs.GetNextPos(&nCharPos, &bRTL))
+ return false;
+ return (nCharPos != nIndex);
+}
+
+sal_Int32 OutputDevice::GetTextBreak( const OUString& rStr, long nTextWidth,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ long nCharExtra,
+ vcl::TextLayoutCache const*const pLayoutCache,
+ const SalLayoutGlyphs* pGlyphs) const
+{
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout( rStr, nIndex, nLen,
+ Point(0,0), 0, nullptr, SalLayoutFlags::NONE, pLayoutCache, pGlyphs);
+ sal_Int32 nRetVal = -1;
+ if( pSalLayout )
+ {
+ // convert logical widths into layout units
+ // NOTE: be very careful to avoid rounding errors for nCharExtra case
+ // problem with rounding errors especially for small nCharExtras
+ // TODO: remove when layout units have subpixel granularity
+ long nWidthFactor = pSalLayout->GetUnitsPerPixel();
+ long nSubPixelFactor = (nWidthFactor < 64 ) ? 64 : 1;
+ nTextWidth *= nWidthFactor * nSubPixelFactor;
+ DeviceCoordinate nTextPixelWidth = LogicWidthToDeviceCoordinate( nTextWidth );
+ DeviceCoordinate nExtraPixelWidth = 0;
+ if( nCharExtra != 0 )
+ {
+ nCharExtra *= nWidthFactor * nSubPixelFactor;
+ nExtraPixelWidth = LogicWidthToDeviceCoordinate( nCharExtra );
+ }
+ nRetVal = pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor );
+ }
+
+ return nRetVal;
+}
+
+sal_Int32 OutputDevice::GetTextBreak( const OUString& rStr, long nTextWidth,
+ sal_Unicode nHyphenChar, sal_Int32& rHyphenPos,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ long nCharExtra,
+ vcl::TextLayoutCache const*const pLayoutCache) const
+{
+ rHyphenPos = -1;
+
+ std::unique_ptr<SalLayout> pSalLayout = ImplLayout( rStr, nIndex, nLen,
+ Point(0,0), 0, nullptr, SalLayoutFlags::NONE, pLayoutCache);
+ sal_Int32 nRetVal = -1;
+ if( pSalLayout )
+ {
+ // convert logical widths into layout units
+ // NOTE: be very careful to avoid rounding errors for nCharExtra case
+ // problem with rounding errors especially for small nCharExtras
+ // TODO: remove when layout units have subpixel granularity
+ long nWidthFactor = pSalLayout->GetUnitsPerPixel();
+ long nSubPixelFactor = (nWidthFactor < 64 ) ? 64 : 1;
+
+ nTextWidth *= nWidthFactor * nSubPixelFactor;
+ DeviceCoordinate nTextPixelWidth = LogicWidthToDeviceCoordinate( nTextWidth );
+ DeviceCoordinate nExtraPixelWidth = 0;
+ if( nCharExtra != 0 )
+ {
+ nCharExtra *= nWidthFactor * nSubPixelFactor;
+ nExtraPixelWidth = LogicWidthToDeviceCoordinate( nCharExtra );
+ }
+
+ // calculate un-hyphenated break position
+ nRetVal = pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor );
+
+ // calculate hyphenated break position
+ OUString aHyphenStr(nHyphenChar);
+ std::unique_ptr<SalLayout> pHyphenLayout = ImplLayout( aHyphenStr, 0, 1 );
+ if( pHyphenLayout )
+ {
+ // calculate subpixel width of hyphenation character
+ long nHyphenPixelWidth = pHyphenLayout->GetTextWidth() * nSubPixelFactor;
+
+ // calculate hyphenated break position
+ nTextPixelWidth -= nHyphenPixelWidth;
+ if( nExtraPixelWidth > 0 )
+ nTextPixelWidth -= nExtraPixelWidth;
+
+ rHyphenPos = pSalLayout->GetTextBreak(nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor);
+
+ if( rHyphenPos > nRetVal )
+ rHyphenPos = nRetVal;
+ }
+ }
+
+ return nRetVal;
+}
+
+void OutputDevice::ImplDrawText( OutputDevice& rTargetDevice, const tools::Rectangle& rRect,
+ const OUString& rOrigStr, DrawTextFlags nStyle,
+ MetricVector* pVector, OUString* pDisplayText,
+ vcl::ITextLayout& _rLayout )
+{
+
+ Color aOldTextColor;
+ Color aOldTextFillColor;
+ bool bRestoreFillColor = false;
+ if ( (nStyle & DrawTextFlags::Disable) && ! pVector )
+ {
+ bool bHighContrastBlack = false;
+ bool bHighContrastWhite = false;
+ const StyleSettings& rStyleSettings( rTargetDevice.GetSettings().GetStyleSettings() );
+ if( rStyleSettings.GetHighContrastMode() )
+ {
+ Color aCol;
+ if( rTargetDevice.IsBackground() )
+ aCol = rTargetDevice.GetBackground().GetColor();
+ else
+ // best guess is the face color here
+ // but it may be totally wrong. the background color
+ // was typically already reset
+ aCol = rStyleSettings.GetFaceColor();
+
+ bHighContrastBlack = aCol.IsDark();
+ bHighContrastWhite = aCol.IsBright();
+ }
+
+ aOldTextColor = rTargetDevice.GetTextColor();
+ if ( rTargetDevice.IsTextFillColor() )
+ {
+ bRestoreFillColor = true;
+ aOldTextFillColor = rTargetDevice.GetTextFillColor();
+ }
+ if( bHighContrastBlack )
+ rTargetDevice.SetTextColor( COL_GREEN );
+ else if( bHighContrastWhite )
+ rTargetDevice.SetTextColor( COL_LIGHTGREEN );
+ else
+ {
+ // draw disabled text always without shadow
+ // as it fits better with native look
+ rTargetDevice.SetTextColor( rTargetDevice.GetSettings().GetStyleSettings().GetDisableColor() );
+ }
+ }
+
+ long nWidth = rRect.GetWidth();
+ long nHeight = rRect.GetHeight();
+
+ if ( ((nWidth <= 0) || (nHeight <= 0)) && (nStyle & DrawTextFlags::Clip) )
+ return;
+
+ Point aPos = rRect.TopLeft();
+
+ long nTextHeight = rTargetDevice.GetTextHeight();
+ TextAlign eAlign = rTargetDevice.GetTextAlign();
+ sal_Int32 nMnemonicPos = -1;
+
+ OUString aStr = rOrigStr;
+ if ( nStyle & DrawTextFlags::Mnemonic )
+ aStr = GetNonMnemonicString( aStr, nMnemonicPos );
+
+ const bool bDrawMnemonics = !(rTargetDevice.GetSettings().GetStyleSettings().GetOptions() & StyleSettingsOptions::NoMnemonics) && !pVector;
+
+ // We treat multiline text differently
+ if ( nStyle & DrawTextFlags::MultiLine )
+ {
+
+ OUString aLastLine;
+ ImplMultiTextLineInfo aMultiLineInfo;
+ ImplTextLineInfo* pLineInfo;
+ sal_Int32 i;
+ sal_Int32 nLines;
+ sal_Int32 nFormatLines;
+
+ if ( nTextHeight )
+ {
+ long nMaxTextWidth = ImplGetTextLines( aMultiLineInfo, nWidth, aStr, nStyle, _rLayout );
+ nLines = static_cast<sal_Int32>(nHeight/nTextHeight);
+ nFormatLines = aMultiLineInfo.Count();
+ if (nLines <= 0)
+ nLines = 1;
+ if ( nFormatLines > nLines )
+ {
+ if ( nStyle & DrawTextFlags::EndEllipsis )
+ {
+ // Create last line and shorten it
+ nFormatLines = nLines-1;
+
+ pLineInfo = aMultiLineInfo.GetLine( nFormatLines );
+ aLastLine = convertLineEnd(aStr.copy(pLineInfo->GetIndex()), LINEEND_LF);
+ // Replace all LineFeeds with Spaces
+ OUStringBuffer aLastLineBuffer(aLastLine);
+ sal_Int32 nLastLineLen = aLastLineBuffer.getLength();
+ for ( i = 0; i < nLastLineLen; i++ )
+ {
+ if ( aLastLineBuffer[ i ] == '\n' )
+ aLastLineBuffer[ i ] = ' ';
+ }
+ aLastLine = aLastLineBuffer.makeStringAndClear();
+ aLastLine = ImplGetEllipsisString( rTargetDevice, aLastLine, nWidth, nStyle, _rLayout );
+ nStyle &= ~DrawTextFlags(DrawTextFlags::VCenter | DrawTextFlags::Bottom);
+ nStyle |= DrawTextFlags::Top;
+ }
+ }
+ else
+ {
+ if ( nMaxTextWidth <= nWidth )
+ nStyle &= ~DrawTextFlags::Clip;
+ }
+
+ // Do we need to clip the height?
+ if ( nFormatLines*nTextHeight > nHeight )
+ nStyle |= DrawTextFlags::Clip;
+
+ // Set clipping
+ if ( nStyle & DrawTextFlags::Clip )
+ {
+ rTargetDevice.Push( PushFlags::CLIPREGION );
+ rTargetDevice.IntersectClipRegion( rRect );
+ }
+
+ // Vertical alignment
+ if ( nStyle & DrawTextFlags::Bottom )
+ aPos.AdjustY(nHeight-(nFormatLines*nTextHeight) );
+ else if ( nStyle & DrawTextFlags::VCenter )
+ aPos.AdjustY((nHeight-(nFormatLines*nTextHeight))/2 );
+
+ // Font alignment
+ if ( eAlign == ALIGN_BOTTOM )
+ aPos.AdjustY(nTextHeight );
+ else if ( eAlign == ALIGN_BASELINE )
+ aPos.AdjustY(rTargetDevice.GetFontMetric().GetAscent() );
+
+ // Output all lines except for the last one
+ for ( i = 0; i < nFormatLines; i++ )
+ {
+ pLineInfo = aMultiLineInfo.GetLine( i );
+ if ( nStyle & DrawTextFlags::Right )
+ aPos.AdjustX(nWidth-pLineInfo->GetWidth() );
+ else if ( nStyle & DrawTextFlags::Center )
+ aPos.AdjustX((nWidth-pLineInfo->GetWidth())/2 );
+ sal_Int32 nIndex = pLineInfo->GetIndex();
+ sal_Int32 nLineLen = pLineInfo->GetLen();
+ _rLayout.DrawText( aPos, aStr, nIndex, nLineLen, pVector, pDisplayText );
+ if ( bDrawMnemonics )
+ {
+ if ( (nMnemonicPos >= nIndex) && (nMnemonicPos < nIndex+nLineLen) )
+ {
+ long nMnemonicX;
+ long nMnemonicY;
+ DeviceCoordinate nMnemonicWidth;
+
+ std::unique_ptr<long[]> const pCaretXArray(new long[2 * nLineLen]);
+ /*sal_Bool bRet =*/ _rLayout.GetCaretPositions( aStr, pCaretXArray.get(),
+ nIndex, nLineLen );
+ long lc_x1 = pCaretXArray[2*(nMnemonicPos - nIndex)];
+ long lc_x2 = pCaretXArray[2*(nMnemonicPos - nIndex)+1];
+ nMnemonicWidth = rTargetDevice.LogicWidthToDeviceCoordinate( std::abs(lc_x1 - lc_x2) );
+
+ Point aTempPos = rTargetDevice.LogicToPixel( aPos );
+ nMnemonicX = rTargetDevice.GetOutOffXPixel() + aTempPos.X() + rTargetDevice.ImplLogicWidthToDevicePixel( std::min( lc_x1, lc_x2 ) );
+ nMnemonicY = rTargetDevice.GetOutOffYPixel() + aTempPos.Y() + rTargetDevice.ImplLogicWidthToDevicePixel( rTargetDevice.GetFontMetric().GetAscent() );
+ rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
+ }
+ }
+ aPos.AdjustY(nTextHeight );
+ aPos.setX( rRect.Left() );
+ }
+
+ // If there still is a last line, we output it left-aligned as the line would be clipped
+ if ( !aLastLine.isEmpty() )
+ _rLayout.DrawText( aPos, aLastLine, 0, aLastLine.getLength(), pVector, pDisplayText );
+
+ // Reset clipping
+ if ( nStyle & DrawTextFlags::Clip )
+ rTargetDevice.Pop();
+ }
+ }
+ else
+ {
+ long nTextWidth = _rLayout.GetTextWidth( aStr, 0, -1 );
+
+ // Clip text if needed
+ if ( nTextWidth > nWidth )
+ {
+ if ( nStyle & TEXT_DRAW_ELLIPSIS )
+ {
+ aStr = ImplGetEllipsisString( rTargetDevice, aStr, nWidth, nStyle, _rLayout );
+ nStyle &= ~DrawTextFlags(DrawTextFlags::Center | DrawTextFlags::Right);
+ nStyle |= DrawTextFlags::Left;
+ nTextWidth = _rLayout.GetTextWidth( aStr, 0, aStr.getLength() );
+ }
+ }
+ else
+ {
+ if ( nTextHeight <= nHeight )
+ nStyle &= ~DrawTextFlags::Clip;
+ }
+
+ // horizontal text alignment
+ if ( nStyle & DrawTextFlags::Right )
+ aPos.AdjustX(nWidth-nTextWidth );
+ else if ( nStyle & DrawTextFlags::Center )
+ aPos.AdjustX((nWidth-nTextWidth)/2 );
+
+ // vertical font alignment
+ if ( eAlign == ALIGN_BOTTOM )
+ aPos.AdjustY(nTextHeight );
+ else if ( eAlign == ALIGN_BASELINE )
+ aPos.AdjustY(rTargetDevice.GetFontMetric().GetAscent() );
+
+ if ( nStyle & DrawTextFlags::Bottom )
+ aPos.AdjustY(nHeight-nTextHeight );
+ else if ( nStyle & DrawTextFlags::VCenter )
+ aPos.AdjustY((nHeight-nTextHeight)/2 );
+
+ long nMnemonicX = 0;
+ long nMnemonicY = 0;
+ DeviceCoordinate nMnemonicWidth = 0;
+ if ( nMnemonicPos != -1 )
+ {
+ std::unique_ptr<long[]> const pCaretXArray(new long[2 * aStr.getLength()]);
+ /*sal_Bool bRet =*/ _rLayout.GetCaretPositions( aStr, pCaretXArray.get(), 0, aStr.getLength() );
+ long lc_x1 = pCaretXArray[2*nMnemonicPos];
+ long lc_x2 = pCaretXArray[2*nMnemonicPos+1];
+ nMnemonicWidth = rTargetDevice.LogicWidthToDeviceCoordinate( std::abs(lc_x1 - lc_x2) );
+
+ Point aTempPos = rTargetDevice.LogicToPixel( aPos );
+ nMnemonicX = rTargetDevice.GetOutOffXPixel() + aTempPos.X() + rTargetDevice.ImplLogicWidthToDevicePixel( std::min(lc_x1, lc_x2) );
+ nMnemonicY = rTargetDevice.GetOutOffYPixel() + aTempPos.Y() + rTargetDevice.ImplLogicWidthToDevicePixel( rTargetDevice.GetFontMetric().GetAscent() );
+ }
+
+ if ( nStyle & DrawTextFlags::Clip )
+ {
+ rTargetDevice.Push( PushFlags::CLIPREGION );
+ rTargetDevice.IntersectClipRegion( rRect );
+ _rLayout.DrawText( aPos, aStr, 0, aStr.getLength(), pVector, pDisplayText );
+ if ( bDrawMnemonics && nMnemonicPos != -1 )
+ rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
+ rTargetDevice.Pop();
+ }
+ else
+ {
+ _rLayout.DrawText( aPos, aStr, 0, aStr.getLength(), pVector, pDisplayText );
+ if ( bDrawMnemonics && nMnemonicPos != -1 )
+ rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
+ }
+ }
+
+ if ( nStyle & DrawTextFlags::Disable && !pVector )
+ {
+ rTargetDevice.SetTextColor( aOldTextColor );
+ if ( bRestoreFillColor )
+ rTargetDevice.SetTextFillColor( aOldTextFillColor );
+ }
+}
+
+void OutputDevice::AddTextRectActions( const tools::Rectangle& rRect,
+ const OUString& rOrigStr,
+ DrawTextFlags nStyle,
+ GDIMetaFile& rMtf )
+{
+
+ if ( rOrigStr.isEmpty() || rRect.IsEmpty() )
+ return;
+
+ // we need a graphics
+ if( !mpGraphics && !AcquireGraphics() )
+ return;
+ if( mbInitClipRegion )
+ InitClipRegion();
+
+ // temporarily swap in passed mtf for action generation, and
+ // disable output generation.
+ const bool bOutputEnabled( IsOutputEnabled() );
+ GDIMetaFile* pMtf = mpMetaFile;
+
+ mpMetaFile = &rMtf;
+ EnableOutput( false );
+
+ // #i47157# Factored out to ImplDrawTextRect(), to be shared
+ // between us and DrawText()
+ vcl::DefaultTextLayout aLayout( *this );
+ ImplDrawText( *this, rRect, rOrigStr, nStyle, nullptr, nullptr, aLayout );
+
+ // and restore again
+ EnableOutput( bOutputEnabled );
+ mpMetaFile = pMtf;
+}
+
+void OutputDevice::DrawText( const tools::Rectangle& rRect, const OUString& rOrigStr, DrawTextFlags nStyle,
+ MetricVector* pVector, OUString* pDisplayText,
+ vcl::ITextLayout* _pTextLayout )
+{
+ assert(!is_double_buffered_window());
+
+ if (mpOutDevData->mpRecordLayout)
+ {
+ pVector = &mpOutDevData->mpRecordLayout->m_aUnicodeBoundRects;
+ pDisplayText = &mpOutDevData->mpRecordLayout->m_aDisplayText;
+ }
+
+ bool bDecomposeTextRectAction = ( _pTextLayout != nullptr ) && _pTextLayout->DecomposeTextRectAction();
+ if ( mpMetaFile && !bDecomposeTextRectAction )
+ mpMetaFile->AddAction( new MetaTextRectAction( rRect, rOrigStr, nStyle ) );
+
+ if ( ( !IsDeviceOutputNecessary() && !pVector && !bDecomposeTextRectAction ) || rOrigStr.isEmpty() || rRect.IsEmpty() )
+ return;
+
+ // we need a graphics
+ if( !mpGraphics && !AcquireGraphics() )
+ return;
+ if( mbInitClipRegion )
+ InitClipRegion();
+ if( mbOutputClipped && !bDecomposeTextRectAction )
+ return;
+
+ // temporarily disable mtf action generation (ImplDrawText _does_
+ // create MetaActionType::TEXTs otherwise)
+ GDIMetaFile* pMtf = mpMetaFile;
+ if ( !bDecomposeTextRectAction )
+ mpMetaFile = nullptr;
+
+ // #i47157# Factored out to ImplDrawText(), to be used also
+ // from AddTextRectActions()
+ vcl::DefaultTextLayout aDefaultLayout( *this );
+ ImplDrawText( *this, rRect, rOrigStr, nStyle, pVector, pDisplayText, _pTextLayout ? *_pTextLayout : aDefaultLayout );
+
+ // and enable again
+ mpMetaFile = pMtf;
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->DrawText( rRect, rOrigStr, nStyle, pVector, pDisplayText );
+}
+
+tools::Rectangle OutputDevice::GetTextRect( const tools::Rectangle& rRect,
+ const OUString& rStr, DrawTextFlags nStyle,
+ TextRectInfo* pInfo,
+ const vcl::ITextLayout* _pTextLayout ) const
+{
+
+ tools::Rectangle aRect = rRect;
+ sal_Int32 nLines;
+ long nWidth = rRect.GetWidth();
+ long nMaxWidth;
+ long nTextHeight = GetTextHeight();
+
+ OUString aStr = rStr;
+ if ( nStyle & DrawTextFlags::Mnemonic )
+ aStr = GetNonMnemonicString( aStr );
+
+ if ( nStyle & DrawTextFlags::MultiLine )
+ {
+ ImplMultiTextLineInfo aMultiLineInfo;
+ ImplTextLineInfo* pLineInfo;
+ sal_Int32 nFormatLines;
+ sal_Int32 i;
+
+ nMaxWidth = 0;
+ vcl::DefaultTextLayout aDefaultLayout( *const_cast< OutputDevice* >( this ) );
+ ImplGetTextLines( aMultiLineInfo, nWidth, aStr, nStyle, _pTextLayout ? *_pTextLayout : aDefaultLayout );
+ nFormatLines = aMultiLineInfo.Count();
+ if ( !nTextHeight )
+ nTextHeight = 1;
+ nLines = static_cast<sal_uInt16>(aRect.GetHeight()/nTextHeight);
+ if ( pInfo )
+ pInfo->mnLineCount = nFormatLines;
+ if ( !nLines )
+ nLines = 1;
+ if ( nFormatLines <= nLines )
+ nLines = nFormatLines;
+ else
+ {
+ if ( !(nStyle & DrawTextFlags::EndEllipsis) )
+ nLines = nFormatLines;
+ else
+ {
+ if ( pInfo )
+ pInfo->mbEllipsis = true;
+ nMaxWidth = nWidth;
+ }
+ }
+ if ( pInfo )
+ {
+ bool bMaxWidth = nMaxWidth == 0;
+ pInfo->mnMaxWidth = 0;
+ for ( i = 0; i < nLines; i++ )
+ {
+ pLineInfo = aMultiLineInfo.GetLine( i );
+ if ( bMaxWidth && (pLineInfo->GetWidth() > nMaxWidth) )
+ nMaxWidth = pLineInfo->GetWidth();
+ if ( pLineInfo->GetWidth() > pInfo->mnMaxWidth )
+ pInfo->mnMaxWidth = pLineInfo->GetWidth();
+ }
+ }
+ else if ( !nMaxWidth )
+ {
+ for ( i = 0; i < nLines; i++ )
+ {
+ pLineInfo = aMultiLineInfo.GetLine( i );
+ if ( pLineInfo->GetWidth() > nMaxWidth )
+ nMaxWidth = pLineInfo->GetWidth();
+ }
+ }
+ }
+ else
+ {
+ nLines = 1;
+ nMaxWidth = _pTextLayout ? _pTextLayout->GetTextWidth( aStr, 0, aStr.getLength() ) : GetTextWidth( aStr );
+
+ if ( pInfo )
+ {
+ pInfo->mnLineCount = 1;
+ pInfo->mnMaxWidth = nMaxWidth;
+ }
+
+ if ( (nMaxWidth > nWidth) && (nStyle & TEXT_DRAW_ELLIPSIS) )
+ {
+ if ( pInfo )
+ pInfo->mbEllipsis = true;
+ nMaxWidth = nWidth;
+ }
+ }
+
+ if ( nStyle & DrawTextFlags::Right )
+ aRect.SetLeft( aRect.Right()-nMaxWidth+1 );
+ else if ( nStyle & DrawTextFlags::Center )
+ {
+ aRect.AdjustLeft((nWidth-nMaxWidth)/2 );
+ aRect.SetRight( aRect.Left()+nMaxWidth-1 );
+ }
+ else
+ aRect.SetRight( aRect.Left()+nMaxWidth-1 );
+
+ if ( nStyle & DrawTextFlags::Bottom )
+ aRect.SetTop( aRect.Bottom()-(nTextHeight*nLines)+1 );
+ else if ( nStyle & DrawTextFlags::VCenter )
+ {
+ aRect.AdjustTop((aRect.GetHeight()-(nTextHeight*nLines))/2 );
+ aRect.SetBottom( aRect.Top()+(nTextHeight*nLines)-1 );
+ }
+ else
+ aRect.SetBottom( aRect.Top()+(nTextHeight*nLines)-1 );
+
+ // #99188# get rid of rounding problems when using this rect later
+ if (nStyle & DrawTextFlags::Right)
+ aRect.AdjustLeft( -1 );
+ else
+ aRect.AdjustRight( 1 );
+ return aRect;
+}
+
+static bool ImplIsCharIn( sal_Unicode c, const char* pStr )
+{
+ while ( *pStr )
+ {
+ if ( *pStr == c )
+ return true;
+ pStr++;
+ }
+
+ return false;
+}
+
+OUString OutputDevice::GetEllipsisString( const OUString& rOrigStr, long nMaxWidth,
+ DrawTextFlags nStyle ) const
+{
+ vcl::DefaultTextLayout aTextLayout( *const_cast< OutputDevice* >( this ) );
+ return ImplGetEllipsisString( *this, rOrigStr, nMaxWidth, nStyle, aTextLayout );
+}
+
+OUString OutputDevice::ImplGetEllipsisString( const OutputDevice& rTargetDevice, const OUString& rOrigStr, long nMaxWidth,
+ DrawTextFlags nStyle, const vcl::ITextLayout& _rLayout )
+{
+ OUString aStr = rOrigStr;
+ sal_Int32 nIndex = _rLayout.GetTextBreak( aStr, nMaxWidth, 0, aStr.getLength() );
+
+ if ( nIndex != -1 )
+ {
+ if( (nStyle & DrawTextFlags::CenterEllipsis) == DrawTextFlags::CenterEllipsis )
+ {
+ OUStringBuffer aTmpStr( aStr );
+ // speed it up by removing all but 1.33x as many as the break pos.
+ sal_Int32 nEraseChars = std::max<sal_Int32>(4, aStr.getLength() - (nIndex*4)/3);
+ while( nEraseChars < aStr.getLength() && _rLayout.GetTextWidth( aTmpStr.toString(), 0, aTmpStr.getLength() ) > nMaxWidth )
+ {
+ aTmpStr = aStr;
+ sal_Int32 i = (aTmpStr.getLength() - nEraseChars)/2;
+ aTmpStr.remove(i, nEraseChars++);
+ aTmpStr.insert(i, "...");
+ }
+ aStr = aTmpStr.makeStringAndClear();
+ }
+ else if ( nStyle & DrawTextFlags::EndEllipsis )
+ {
+ aStr = aStr.copy(0, nIndex);
+ if ( nIndex > 1 )
+ {
+ aStr += "...";
+ while ( !aStr.isEmpty() && (_rLayout.GetTextWidth( aStr, 0, aStr.getLength() ) > nMaxWidth) )
+ {
+ if ( (nIndex > 1) || (nIndex == aStr.getLength()) )
+ nIndex--;
+ aStr = aStr.replaceAt( nIndex, 1, "");
+ }
+ }
+
+ if ( aStr.isEmpty() && (nStyle & DrawTextFlags::Clip) )
+ aStr += OUStringChar(rOrigStr[ 0 ]);
+ }
+ else if ( nStyle & DrawTextFlags::PathEllipsis )
+ {
+ OUString aPath( rOrigStr );
+ OUString aAbbreviatedPath;
+ osl_abbreviateSystemPath( aPath.pData, &aAbbreviatedPath.pData, nIndex, nullptr );
+ aStr = aAbbreviatedPath;
+ }
+ else if ( nStyle & DrawTextFlags::NewsEllipsis )
+ {
+ static char const pSepChars[] = ".";
+ // Determine last section
+ sal_Int32 nLastContent = aStr.getLength();
+ while ( nLastContent )
+ {
+ nLastContent--;
+ if ( ImplIsCharIn( aStr[ nLastContent ], pSepChars ) )
+ break;
+ }
+ while ( nLastContent &&
+ ImplIsCharIn( aStr[ nLastContent-1 ], pSepChars ) )
+ nLastContent--;
+
+ OUString aLastStr = aStr.copy(nLastContent);
+ OUString aTempLastStr1 = "..." + aLastStr;
+ if ( _rLayout.GetTextWidth( aTempLastStr1, 0, aTempLastStr1.getLength() ) > nMaxWidth )
+ aStr = OutputDevice::ImplGetEllipsisString( rTargetDevice, aStr, nMaxWidth, nStyle | DrawTextFlags::EndEllipsis, _rLayout );
+ else
+ {
+ sal_Int32 nFirstContent = 0;
+ while ( nFirstContent < nLastContent )
+ {
+ nFirstContent++;
+ if ( ImplIsCharIn( aStr[ nFirstContent ], pSepChars ) )
+ break;
+ }
+ while ( (nFirstContent < nLastContent) &&
+ ImplIsCharIn( aStr[ nFirstContent ], pSepChars ) )
+ nFirstContent++;
+ // MEM continue here
+ if ( nFirstContent >= nLastContent )
+ aStr = OutputDevice::ImplGetEllipsisString( rTargetDevice, aStr, nMaxWidth, nStyle | DrawTextFlags::EndEllipsis, _rLayout );
+ else
+ {
+ if ( nFirstContent > 4 )
+ nFirstContent = 4;
+ OUString aFirstStr = aStr.copy( 0, nFirstContent ) + "...";
+ OUString aTempStr = aFirstStr + aLastStr;
+ if ( _rLayout.GetTextWidth( aTempStr, 0, aTempStr.getLength() ) > nMaxWidth )
+ aStr = OutputDevice::ImplGetEllipsisString( rTargetDevice, aStr, nMaxWidth, nStyle | DrawTextFlags::EndEllipsis, _rLayout );
+ else
+ {
+ do
+ {
+ aStr = aTempStr;
+ if( nLastContent > aStr.getLength() )
+ nLastContent = aStr.getLength();
+ while ( nFirstContent < nLastContent )
+ {
+ nLastContent--;
+ if ( ImplIsCharIn( aStr[ nLastContent ], pSepChars ) )
+ break;
+
+ }
+ while ( (nFirstContent < nLastContent) &&
+ ImplIsCharIn( aStr[ nLastContent-1 ], pSepChars ) )
+ nLastContent--;
+
+ if ( nFirstContent < nLastContent )
+ {
+ OUString aTempLastStr = aStr.copy( nLastContent );
+ aTempStr = aFirstStr + aTempLastStr;
+
+ if ( _rLayout.GetTextWidth( aTempStr, 0, aTempStr.getLength() ) > nMaxWidth )
+ break;
+ }
+ }
+ while ( nFirstContent < nLastContent );
+ }
+ }
+ }
+ }
+ }
+
+ return aStr;
+}
+
+void OutputDevice::DrawCtrlText( const Point& rPos, const OUString& rStr,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ DrawTextFlags nStyle, MetricVector* pVector, OUString* pDisplayText,
+ const SalLayoutGlyphs* pGlyphs )
+{
+ assert(!is_double_buffered_window());
+
+ if( (nLen < 0) || (nIndex + nLen >= rStr.getLength()))
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+
+ if ( !IsDeviceOutputNecessary() || (nIndex >= rStr.getLength()) )
+ return;
+
+ // better get graphics here because ImplDrawMnemonicLine() will not
+ // we need a graphics
+ if( !mpGraphics && !AcquireGraphics() )
+ return;
+ if( mbInitClipRegion )
+ InitClipRegion();
+ if ( mbOutputClipped )
+ return;
+
+ if( nIndex >= rStr.getLength() )
+ return;
+
+ if( (nLen < 0) || (nIndex + nLen >= rStr.getLength()))
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+ OUString aStr = rStr;
+ sal_Int32 nMnemonicPos = -1;
+
+ long nMnemonicX = 0;
+ long nMnemonicY = 0;
+ long nMnemonicWidth = 0;
+ if ( (nStyle & DrawTextFlags::Mnemonic) && nLen > 1 )
+ {
+ aStr = GetNonMnemonicString( aStr, nMnemonicPos );
+ if ( nMnemonicPos != -1 )
+ {
+ if( nMnemonicPos < nIndex )
+ {
+ --nIndex;
+ }
+ else
+ {
+ if( nMnemonicPos < (nIndex+nLen) )
+ --nLen;
+ SAL_WARN_IF( nMnemonicPos >= (nIndex+nLen), "vcl", "Mnemonic underline marker after last character" );
+ }
+ bool bInvalidPos = false;
+
+ if( nMnemonicPos >= nLen )
+ {
+ // may occur in BiDi-Strings: the '~' is sometimes found behind the last char
+ // due to some strange BiDi text editors
+ // -> place the underline behind the string to indicate a failure
+ bInvalidPos = true;
+ nMnemonicPos = nLen-1;
+ }
+
+ std::unique_ptr<long[]> const pCaretXArray(new long[2 * nLen]);
+ /*sal_Bool bRet =*/ GetCaretPositions( aStr, pCaretXArray.get(), nIndex, nLen, pGlyphs );
+ long lc_x1 = pCaretXArray[ 2*(nMnemonicPos - nIndex) ];
+ long lc_x2 = pCaretXArray[ 2*(nMnemonicPos - nIndex)+1 ];
+ nMnemonicWidth = ::abs(static_cast<int>(lc_x1 - lc_x2));
+
+ Point aTempPos( std::min(lc_x1,lc_x2), GetFontMetric().GetAscent() );
+ if( bInvalidPos ) // #106952#, place behind the (last) character
+ aTempPos = Point( std::max(lc_x1,lc_x2), GetFontMetric().GetAscent() );
+
+ aTempPos += rPos;
+ aTempPos = LogicToPixel( aTempPos );
+ nMnemonicX = mnOutOffX + aTempPos.X();
+ nMnemonicY = mnOutOffY + aTempPos.Y();
+ }
+ }
+
+ bool autoacc = ImplGetSVData()->maNWFData.mbAutoAccel;
+
+ if ( nStyle & DrawTextFlags::Disable && ! pVector )
+ {
+ Color aOldTextColor;
+ Color aOldTextFillColor;
+ bool bRestoreFillColor;
+ bool bHighContrastBlack = false;
+ bool bHighContrastWhite = false;
+ const StyleSettings& rStyleSettings( GetSettings().GetStyleSettings() );
+ if( rStyleSettings.GetHighContrastMode() )
+ {
+ if( IsBackground() )
+ {
+ Wallpaper aWall = GetBackground();
+ Color aCol = aWall.GetColor();
+ bHighContrastBlack = aCol.IsDark();
+ bHighContrastWhite = aCol.IsBright();
+ }
+ }
+
+ aOldTextColor = GetTextColor();
+ if ( IsTextFillColor() )
+ {
+ bRestoreFillColor = true;
+ aOldTextFillColor = GetTextFillColor();
+ }
+ else
+ bRestoreFillColor = false;
+
+ if( bHighContrastBlack )
+ SetTextColor( COL_GREEN );
+ else if( bHighContrastWhite )
+ SetTextColor( COL_LIGHTGREEN );
+ else
+ SetTextColor( GetSettings().GetStyleSettings().GetDisableColor() );
+
+ DrawText( rPos, aStr, nIndex, nLen, pVector, pDisplayText );
+ if (!(GetSettings().GetStyleSettings().GetOptions() & StyleSettingsOptions::NoMnemonics)
+ && (!autoacc || !(nStyle & DrawTextFlags::HideMnemonic)) )
+ {
+ if ( nMnemonicPos != -1 )
+ ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
+ }
+ SetTextColor( aOldTextColor );
+ if ( bRestoreFillColor )
+ SetTextFillColor( aOldTextFillColor );
+ }
+ else
+ {
+ DrawText( rPos, aStr, nIndex, nLen, pVector, pDisplayText, pGlyphs );
+ if ( !(GetSettings().GetStyleSettings().GetOptions() & StyleSettingsOptions::NoMnemonics) && !pVector
+ && (!autoacc || !(nStyle & DrawTextFlags::HideMnemonic)) )
+ {
+ if ( nMnemonicPos != -1 )
+ ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
+ }
+ }
+
+ if( mpAlphaVDev )
+ mpAlphaVDev->DrawCtrlText( rPos, rStr, nIndex, nLen, nStyle, pVector, pDisplayText );
+}
+
+long OutputDevice::GetCtrlTextWidth( const OUString& rStr, const SalLayoutGlyphs* pGlyphs ) const
+{
+ sal_Int32 nLen = rStr.getLength();
+ sal_Int32 nIndex = 0;
+
+ sal_Int32 nMnemonicPos;
+ OUString aStr = GetNonMnemonicString( rStr, nMnemonicPos );
+ if ( nMnemonicPos != -1 )
+ {
+ if ( nMnemonicPos < nIndex )
+ nIndex--;
+ else if (static_cast<sal_uLong>(nMnemonicPos) < static_cast<sal_uLong>(nIndex+nLen))
+ nLen--;
+ }
+ return GetTextWidth( aStr, nIndex, nLen, nullptr, pGlyphs );
+}
+
+OUString OutputDevice::GetNonMnemonicString( const OUString& rStr, sal_Int32& rMnemonicPos )
+{
+ OUString aStr = rStr;
+ sal_Int32 nLen = aStr.getLength();
+ sal_Int32 i = 0;
+
+ rMnemonicPos = -1;
+ while ( i < nLen )
+ {
+ if ( aStr[ i ] == '~' )
+ {
+ if ( nLen <= i+1 )
+ break;
+
+ if ( aStr[ i+1 ] != '~' )
+ {
+ if ( rMnemonicPos == -1 )
+ rMnemonicPos = i;
+ aStr = aStr.replaceAt( i, 1, "" );
+ nLen--;
+ }
+ else
+ {
+ aStr = aStr.replaceAt( i, 1, "" );
+ nLen--;
+ i++;
+ }
+ }
+ else
+ i++;
+ }
+
+ return aStr;
+}
+
+/** OutputDevice::GetSysTextLayoutData
+ *
+ * @param rStartPt Start point of the text
+ * @param rStr Text string that will be transformed into layout of glyphs
+ * @param nIndex Position in the string from where layout will be done
+ * @param nLen Length of the string
+ * @param pDXAry Custom layout adjustment data
+ *
+ * Export finalized glyph layout data as platform independent SystemTextLayoutData
+ * (see vcl/inc/vcl/sysdata.hxx)
+ *
+ * Only parameters rStartPt and rStr are mandatory, the rest is optional
+ * (default values will be used)
+ *
+ * @return SystemTextLayoutData
+ **/
+SystemTextLayoutData OutputDevice::GetSysTextLayoutData(const Point& rStartPt, const OUString& rStr, sal_Int32 nIndex, sal_Int32 nLen,
+ const long* pDXAry) const
+{
+ if( (nLen < 0) || (nIndex + nLen >= rStr.getLength()))
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+
+ SystemTextLayoutData aSysLayoutData;
+ aSysLayoutData.rGlyphData.reserve( 256 );
+ aSysLayoutData.orientation = 0;
+
+ if ( mpMetaFile )
+ {
+ if (pDXAry)
+ mpMetaFile->AddAction( new MetaTextArrayAction( rStartPt, rStr, pDXAry, nIndex, nLen ) );
+ else
+ mpMetaFile->AddAction( new MetaTextAction( rStartPt, rStr, nIndex, nLen ) );
+ }
+
+ if ( !IsDeviceOutputNecessary() ) return aSysLayoutData;
+
+ std::unique_ptr<SalLayout> pLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, 0, pDXAry);
+
+ if ( !pLayout ) return aSysLayoutData;
+
+ // setup glyphs
+ Point aPos;
+ const GlyphItem* pGlyph;
+ int nStart = 0;
+ SystemGlyphData aSystemGlyph;
+ while (pLayout->GetNextGlyph(&pGlyph, aPos, nStart, nullptr, &aSystemGlyph.fallbacklevel))
+ {
+ aSystemGlyph.index = pGlyph->glyphId();
+ aSystemGlyph.x = aPos.X();
+ aSystemGlyph.y = aPos.Y();
+ aSysLayoutData.rGlyphData.push_back(aSystemGlyph);
+ }
+
+ // Get font data
+ aSysLayoutData.orientation = pLayout->GetOrientation();
+
+ return aSysLayoutData;
+}
+
+bool OutputDevice::GetTextBoundRect( tools::Rectangle& rRect,
+ const OUString& rStr, sal_Int32 nBase,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ sal_uLong nLayoutWidth, const long* pDXAry,
+ const SalLayoutGlyphs* pGlyphs ) const
+{
+ bool bRet = false;
+ rRect.SetEmpty();
+
+ std::unique_ptr<SalLayout> pSalLayout;
+ const Point aPoint;
+ // calculate offset when nBase!=nIndex
+ long nXOffset = 0;
+ if( nBase != nIndex )
+ {
+ sal_Int32 nStart = std::min( nBase, nIndex );
+ sal_Int32 nOfsLen = std::max( nBase, nIndex ) - nStart;
+ pSalLayout = ImplLayout( rStr, nStart, nOfsLen, aPoint, nLayoutWidth, pDXAry );
+ if( pSalLayout )
+ {
+ nXOffset = pSalLayout->GetTextWidth();
+ nXOffset /= pSalLayout->GetUnitsPerPixel();
+ // TODO: fix offset calculation for Bidi case
+ if( nBase < nIndex)
+ nXOffset = -nXOffset;
+ }
+ }
+
+ pSalLayout = ImplLayout(rStr, nIndex, nLen, aPoint, nLayoutWidth, pDXAry, SalLayoutFlags::NONE,
+ nullptr, pGlyphs);
+ tools::Rectangle aPixelRect;
+ if( pSalLayout )
+ {
+ bRet = pSalLayout->GetBoundRect(aPixelRect);
+
+ if( bRet )
+ {
+ int nWidthFactor = pSalLayout->GetUnitsPerPixel();
+
+ if( nWidthFactor > 1 )
+ {
+ double fFactor = 1.0 / nWidthFactor;
+ aPixelRect.SetLeft(
+ static_cast< long >(aPixelRect.Left() * fFactor) );
+ aPixelRect.SetRight(
+ static_cast< long >(aPixelRect.Right() * fFactor) );
+ aPixelRect.SetTop(
+ static_cast< long >(aPixelRect.Top() * fFactor) );
+ aPixelRect.SetBottom(
+ static_cast< long >(aPixelRect.Bottom() * fFactor) );
+ }
+
+ Point aRotatedOfs( mnTextOffX, mnTextOffY );
+ aRotatedOfs -= pSalLayout->GetDrawPosition( Point( nXOffset, 0 ) );
+ aPixelRect += aRotatedOfs;
+ rRect = PixelToLogic( aPixelRect );
+ if( mbMap )
+ rRect += Point( maMapRes.mnMapOfsX, maMapRes.mnMapOfsY );
+ }
+ }
+
+ return bRet;
+}
+
+bool OutputDevice::GetTextOutlines( basegfx::B2DPolyPolygonVector& rVector,
+ const OUString& rStr, sal_Int32 nBase,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ sal_uLong nLayoutWidth, const long* pDXArray ) const
+{
+ if (!InitFont())
+ return false;
+
+ bool bRet = false;
+ rVector.clear();
+ if( nLen < 0 )
+ {
+ nLen = rStr.getLength() - nIndex;
+ }
+ rVector.reserve( nLen );
+
+ // we want to get the Rectangle in logical units, so to
+ // avoid rounding errors we just size the font in logical units
+ bool bOldMap = mbMap;
+ if( bOldMap )
+ {
+ const_cast<OutputDevice&>(*this).mbMap = false;
+ const_cast<OutputDevice&>(*this).mbNewFont = true;
+ }
+
+ std::unique_ptr<SalLayout> pSalLayout;
+
+ // calculate offset when nBase!=nIndex
+ long nXOffset = 0;
+ if( nBase != nIndex )
+ {
+ sal_Int32 nStart = std::min( nBase, nIndex );
+ sal_Int32 nOfsLen = std::max( nBase, nIndex ) - nStart;
+ pSalLayout = ImplLayout( rStr, nStart, nOfsLen, Point(0,0), nLayoutWidth, pDXArray );
+ if( pSalLayout )
+ {
+ nXOffset = pSalLayout->GetTextWidth();
+ pSalLayout.reset();
+ // TODO: fix offset calculation for Bidi case
+ if( nBase > nIndex)
+ nXOffset = -nXOffset;
+ }
+ }
+
+ pSalLayout = ImplLayout( rStr, nIndex, nLen, Point(0,0), nLayoutWidth, pDXArray );
+ if( pSalLayout )
+ {
+ bRet = pSalLayout->GetOutline(rVector);
+ if( bRet )
+ {
+ // transform polygon to pixel units
+ basegfx::B2DHomMatrix aMatrix;
+
+ int nWidthFactor = pSalLayout->GetUnitsPerPixel();
+ if( nXOffset | mnTextOffX | mnTextOffY )
+ {
+ Point aRotatedOfs( mnTextOffX*nWidthFactor, mnTextOffY*nWidthFactor );
+ aRotatedOfs -= pSalLayout->GetDrawPosition( Point( nXOffset, 0 ) );
+ aMatrix.translate( aRotatedOfs.X(), aRotatedOfs.Y() );
+ }
+
+ if( nWidthFactor > 1 )
+ {
+ double fFactor = 1.0 / nWidthFactor;
+ aMatrix.scale( fFactor, fFactor );
+ }
+
+ if( !aMatrix.isIdentity() )
+ {
+ for (auto & elem : rVector)
+ elem.transform( aMatrix );
+ }
+ }
+
+ pSalLayout.reset();
+ }
+
+ if( bOldMap )
+ {
+ // restore original font size and map mode
+ const_cast<OutputDevice&>(*this).mbMap = bOldMap;
+ const_cast<OutputDevice&>(*this).mbNewFont = true;
+ }
+
+ return bRet;
+}
+
+bool OutputDevice::GetTextOutlines( PolyPolyVector& rResultVector,
+ const OUString& rStr, sal_Int32 nBase,
+ sal_Int32 nIndex, sal_Int32 nLen,
+ sal_uLong nTWidth, const long* pDXArray ) const
+{
+ rResultVector.clear();
+
+ // get the basegfx polypolygon vector
+ basegfx::B2DPolyPolygonVector aB2DPolyPolyVector;
+ if( !GetTextOutlines( aB2DPolyPolyVector, rStr, nBase, nIndex, nLen,
+ nTWidth, pDXArray ) )
+ return false;
+
+ // convert to a tool polypolygon vector
+ rResultVector.reserve( aB2DPolyPolyVector.size() );
+ for (auto const& elem : aB2DPolyPolyVector)
+ rResultVector.emplace_back(elem); // #i76339#
+
+ return true;
+}
+
+bool OutputDevice::GetTextOutline( tools::PolyPolygon& rPolyPoly, const OUString& rStr,
+ sal_Int32 nLen,
+ sal_uLong nTWidth, const long* pDXArray ) const
+{
+ rPolyPoly.Clear();
+
+ // get the basegfx polypolygon vector
+ basegfx::B2DPolyPolygonVector aB2DPolyPolyVector;
+ if( !GetTextOutlines( aB2DPolyPolyVector, rStr, 0/*nBase*/, 0/*nIndex*/, nLen,
+ nTWidth, pDXArray ) )
+ return false;
+
+ // convert and merge into a tool polypolygon
+ for (auto const& elem : aB2DPolyPolyVector)
+ for(auto const& rB2DPolygon : elem)
+ rPolyPoly.Insert(tools::Polygon(rB2DPolygon)); // #i76339#
+
+ return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 23:27:01 +0000