/* -*- 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 "EnhancedCustomShapeFontWork.hxx" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace com::sun::star; using namespace com::sun::star::uno; namespace { struct FWCharacterData // representing a single character { std::vector< tools::PolyPolygon > vOutlines; tools::Rectangle aBoundRect; }; struct FWParagraphData // representing a single paragraph { OUString aString; std::vector< FWCharacterData > vCharacters; tools::Rectangle aBoundRect; SvxFrameDirection nFrameDirection; }; struct FWTextArea // representing multiple concluding paragraphs { std::vector< FWParagraphData > vParagraphs; tools::Rectangle aBoundRect; sal_Int32 nHAlignMove = 0; }; struct FWData // representing the whole text { std::vector< FWTextArea > vTextAreas; double fHorizontalTextScaling; double fVerticalTextScaling; sal_uInt32 nMaxParagraphsPerTextArea; sal_Int32 nSingleLineHeight; bool bSingleLineMode; bool bScaleX; }; } static bool InitializeFontWorkData( const SdrObjCustomShape& rSdrObjCustomShape, const sal_uInt16 nOutlinesCount2d, FWData& rFWData) { bool bNoErr = false; bool bSingleLineMode = false; sal_uInt16 nTextAreaCount = nOutlinesCount2d; if ( nOutlinesCount2d & 1 ) bSingleLineMode = true; else nTextAreaCount >>= 1; const SdrCustomShapeGeometryItem& rGeometryItem( rSdrObjCustomShape.GetMergedItem( SDRATTR_CUSTOMSHAPE_GEOMETRY ) ); const css::uno::Any* pAny = rGeometryItem.GetPropertyValueByName( "TextPath", "ScaleX" ); if (pAny) *pAny >>= rFWData.bScaleX; else rFWData.bScaleX = false; if ( nTextAreaCount ) { rFWData.bSingleLineMode = bSingleLineMode; // setting the strings OutlinerParaObject* pParaObj(rSdrObjCustomShape.GetOutlinerParaObject()); if ( pParaObj ) { const EditTextObject& rTextObj = pParaObj->GetTextObject(); sal_Int32 nParagraphsCount = rTextObj.GetParagraphCount(); // Collect all the lines from all paragraphs std::vector aLineParaID; // which para this line is in std::vector aLineStart; // where this line start in that para std::vector aLineLength; std::vector aParaText; for (sal_Int32 nPara = 0; nPara < nParagraphsCount; ++nPara) { aParaText.push_back(rTextObj.GetText(nPara)); sal_Int32 nPos = 0; sal_Int32 nPrevPos = 0; do { // search line break. if (!rSdrObjCustomShape.getSdrModelFromSdrObject().GetCompatibilityFlag( SdrCompatibilityFlag::LegacyFontwork)) nPos = aParaText[nPara].indexOf(sal_Unicode(u'\1'), nPrevPos); else nPos = -1; // tdf#148000: ignore line breaks in legacy fontworks aLineParaID.push_back(nPara); aLineStart.push_back(nPrevPos); aLineLength.push_back((nPos >= 0 ? nPos : aParaText[nPara].getLength()) - nPrevPos); nPrevPos = nPos + 1; } while (nPos >= 0); } sal_Int32 nLinesLeft = aLineParaID.size(); rFWData.nMaxParagraphsPerTextArea = ((nLinesLeft - 1) / nTextAreaCount) + 1; sal_Int32 nLine = 0; while (nLinesLeft && nTextAreaCount) { FWTextArea aTextArea; sal_Int32 nLinesInPara = ((nLinesLeft - 1) / nTextAreaCount) + 1; for (sal_Int32 i = 0; i < nLinesInPara; ++i, ++nLine) { FWParagraphData aParagraphData; aParagraphData.aString = aParaText[aLineParaID[nLine]].subView( aLineStart[nLine], aLineLength[nLine]); // retrieving some paragraph attributes const SfxItemSet& rParaSet = rTextObj.GetParaAttribs(aLineParaID[nLine]); aParagraphData.nFrameDirection = rParaSet.Get(EE_PARA_WRITINGDIR).GetValue(); aTextArea.vParagraphs.push_back(aParagraphData); } rFWData.vTextAreas.push_back(aTextArea); nLinesLeft -= nLinesInPara; nTextAreaCount--; } bNoErr = true; } } return bNoErr; } static double GetLength( const tools::Polygon& rPolygon ) { double fLength = 0; if ( rPolygon.GetSize() > 1 ) { sal_uInt16 nCount = rPolygon.GetSize(); while( --nCount ) fLength += rPolygon.CalcDistance( nCount, nCount - 1 ); } return fLength; } /* CalculateHorizontalScalingFactor returns the horizontal scaling factor for the whole text object, so that each text will match its corresponding 2d Outline */ static void CalculateHorizontalScalingFactor( const SdrObjCustomShape& rSdrObjCustomShape, FWData& rFWData, const tools::PolyPolygon& rOutline2d) { double fScalingFactor = 1.0; rFWData.fVerticalTextScaling = 1.0; sal_uInt16 i = 0; bool bSingleLineMode = false; sal_uInt16 nOutlinesCount2d = rOutline2d.Count(); vcl::Font aFont; const SvxFontItem& rFontItem( rSdrObjCustomShape.GetMergedItem( EE_CHAR_FONTINFO ) ); const SvxFontHeightItem& rFontHeight( rSdrObjCustomShape.GetMergedItem( EE_CHAR_FONTHEIGHT ) ); sal_Int32 nFontSize = rFontHeight.GetHeight(); if (rFWData.bScaleX) aFont.SetFontHeight( nFontSize ); else aFont.SetFontHeight( rSdrObjCustomShape.GetLogicRect().GetHeight() / rFWData.nMaxParagraphsPerTextArea ); aFont.SetAlignment( ALIGN_TOP ); aFont.SetFamilyName( rFontItem.GetFamilyName() ); aFont.SetFamily( rFontItem.GetFamily() ); aFont.SetStyleName( rFontItem.GetStyleName() ); const SvxPostureItem& rPostureItem = rSdrObjCustomShape.GetMergedItem( EE_CHAR_ITALIC ); aFont.SetItalic( rPostureItem.GetPosture() ); const SvxWeightItem& rWeightItem = rSdrObjCustomShape.GetMergedItem( EE_CHAR_WEIGHT ); aFont.SetWeight( rWeightItem.GetWeight() ); aFont.SetOrientation( 0_deg10 ); // initializing virtual device ScopedVclPtrInstance< VirtualDevice > pVirDev(DeviceFormat::WITHOUT_ALPHA); pVirDev->SetMapMode(MapMode(MapUnit::Map100thMM)); pVirDev->SetFont( aFont ); pVirDev->SetAntialiasing( AntialiasingFlags::DisableText ); if ( nOutlinesCount2d & 1 ) bSingleLineMode = true; // In case of rFWData.bScaleX == true it loops with reduced font size until the current run // results in a fScalingFactor >=1.0. The fact, that case rFWData.bScaleX == true keeps font // size if possible, is not done here with scaling factor 1 but is done in method // FitTextOutlinesToShapeOutlines() do { i = 0; bool bScalingFactorDefined = false; // New calculation for each font size for( const auto& rTextArea : rFWData.vTextAreas ) { // calculating the width of the corresponding 2d text area double fWidth = GetLength( rOutline2d.GetObject( i++ ) ); if ( !bSingleLineMode ) { fWidth += GetLength( rOutline2d.GetObject( i++ ) ); fWidth /= 2.0; } for( const auto& rParagraph : rTextArea.vParagraphs ) { double fTextWidth = pVirDev->GetTextWidth( rParagraph.aString ); if ( fTextWidth > 0.0 ) { double fScale = fWidth / fTextWidth; if ( !bScalingFactorDefined ) { fScalingFactor = fScale; bScalingFactorDefined = true; } else if (fScale < fScalingFactor) { fScalingFactor = fScale; } } } } if (fScalingFactor < 1.0) { nFontSize--; aFont.SetFontHeight( nFontSize ); pVirDev->SetFont( aFont ); } } while (rFWData.bScaleX && fScalingFactor < 1.0 && nFontSize > 1 ); if (nFontSize > 1) rFWData.fVerticalTextScaling = static_cast(nFontSize) / rFontHeight.GetHeight(); rFWData.fHorizontalTextScaling = fScalingFactor; } static void GetTextAreaOutline( const FWData& rFWData, const SdrObjCustomShape& rSdrObjCustomShape, FWTextArea& rTextArea, bool bSameLetterHeights) { bool bIsVertical(rSdrObjCustomShape.IsVerticalWriting()); sal_Int32 nVerticalOffset = rFWData.nMaxParagraphsPerTextArea > rTextArea.vParagraphs.size() ? rFWData.nSingleLineHeight / 2 : 0; for( auto& rParagraph : rTextArea.vParagraphs ) { const OUString& rText = rParagraph.aString; if ( !rText.isEmpty() ) { // generating vcl/font sal_uInt16 nScriptType = i18n::ScriptType::LATIN; Reference< i18n::XBreakIterator > xBI( EnhancedCustomShapeFontWork::GetBreakIterator() ); if ( xBI.is() ) { nScriptType = xBI->getScriptType( rText, 0 ); if( i18n::ScriptType::WEAK == nScriptType ) { sal_Int32 nChg = xBI->endOfScript( rText, 0, nScriptType ); if (nChg < rText.getLength() && nChg >= 0) nScriptType = xBI->getScriptType( rText, nChg ); else nScriptType = i18n::ScriptType::LATIN; } } sal_uInt16 nFntItm = EE_CHAR_FONTINFO; if ( nScriptType == i18n::ScriptType::COMPLEX ) nFntItm = EE_CHAR_FONTINFO_CTL; else if ( nScriptType == i18n::ScriptType::ASIAN ) nFntItm = EE_CHAR_FONTINFO_CJK; const SvxFontItem& rFontItem = static_cast(rSdrObjCustomShape.GetMergedItem( nFntItm )); vcl::Font aFont; aFont.SetFontHeight( rFWData.nSingleLineHeight ); aFont.SetAlignment( ALIGN_TOP ); aFont.SetFamilyName( rFontItem.GetFamilyName() ); aFont.SetFamily( rFontItem.GetFamily() ); aFont.SetStyleName( rFontItem.GetStyleName() ); aFont.SetOrientation( 0_deg10 ); const SvxPostureItem& rPostureItem = rSdrObjCustomShape.GetMergedItem( EE_CHAR_ITALIC ); aFont.SetItalic( rPostureItem.GetPosture() ); const SvxWeightItem& rWeightItem = rSdrObjCustomShape.GetMergedItem( EE_CHAR_WEIGHT ); aFont.SetWeight( rWeightItem.GetWeight() ); // initializing virtual device ScopedVclPtrInstance< VirtualDevice > pVirDev(DeviceFormat::WITHOUT_ALPHA); pVirDev->SetMapMode(MapMode(MapUnit::Map100thMM)); pVirDev->SetFont( aFont ); pVirDev->SetAntialiasing( AntialiasingFlags::DisableText ); pVirDev->EnableRTL(); if ( rParagraph.nFrameDirection == SvxFrameDirection::Horizontal_RL_TB ) pVirDev->SetLayoutMode( vcl::text::ComplexTextLayoutFlags::BiDiRtl ); const SvxCharScaleWidthItem& rCharScaleWidthItem = rSdrObjCustomShape.GetMergedItem( EE_CHAR_FONTWIDTH ); sal_uInt16 nCharScaleWidth = rCharScaleWidthItem.GetValue(); sal_Int32 nWidth = 0; // VERTICAL if ( bIsVertical ) { // vertical _> each single character needs to be rotated by 90 sal_Int32 i; sal_Int32 nHeight = 0; tools::Rectangle aSingleCharacterUnion; for ( i = 0; i < rText.getLength(); i++ ) { FWCharacterData aCharacterData; OUString aCharText( rText[ i ] ); if ( pVirDev->GetTextOutlines( aCharacterData.vOutlines, aCharText, 0, 0, -1, nWidth, {} ) ) { sal_Int32 nTextWidth = pVirDev->GetTextWidth( aCharText); if ( aCharacterData.vOutlines.empty() ) { nHeight += rFWData.nSingleLineHeight; } else { for ( auto& rOutline : aCharacterData.vOutlines ) { // rotating rOutline.Rotate( Point( nTextWidth / 2, rFWData.nSingleLineHeight / 2 ), 900_deg10 ); aCharacterData.aBoundRect.Union( rOutline.GetBoundRect() ); } for ( auto& rOutline : aCharacterData.vOutlines ) { sal_Int32 nM = - aCharacterData.aBoundRect.Left() + nHeight; rOutline.Move( nM, 0 ); aCharacterData.aBoundRect.Move( nM, 0 ); } nHeight += aCharacterData.aBoundRect.GetWidth() + ( rFWData.nSingleLineHeight / 5 ); aSingleCharacterUnion.Union( aCharacterData.aBoundRect ); } } rParagraph.vCharacters.push_back( aCharacterData ); } for ( auto& rCharacter : rParagraph.vCharacters ) { for ( auto& rOutline : rCharacter.vOutlines ) { rOutline.Move( ( aSingleCharacterUnion.GetWidth() - rCharacter.aBoundRect.GetWidth() ) / 2, 0 ); } } } else { KernArray aDXArry; if ( ( nCharScaleWidth != 100 ) && nCharScaleWidth ) { // applying character spacing pVirDev->GetTextArray( rText, &aDXArry); FontMetric aFontMetric( pVirDev->GetFontMetric() ); aFont.SetAverageFontWidth( static_cast( static_cast(aFontMetric.GetAverageFontWidth()) * ( double(100) / static_cast(nCharScaleWidth) ) ) ); pVirDev->SetFont( aFont ); } FWCharacterData aCharacterData; if ( pVirDev->GetTextOutlines( aCharacterData.vOutlines, rText, 0, 0, -1, nWidth, aDXArry ) ) { rParagraph.vCharacters.push_back( aCharacterData ); } else { // GetTextOutlines failed what usually means that it is // not implemented. To make FontWork not fail (it is // dependent of graphic content to get a Range) create // a rectangle substitution for now pVirDev->GetTextArray( rText, &aDXArry); aCharacterData.vOutlines.clear(); if(aDXArry.size()) { for(size_t a(0); a < aDXArry.size(); a++) { const basegfx::B2DPolygon aPolygon( basegfx::utils::createPolygonFromRect( basegfx::B2DRange( 0 == a ? 0 : aDXArry[a - 1], 0, aDXArry[a], aFont.GetFontHeight() ))); aCharacterData.vOutlines.push_back(tools::PolyPolygon(tools::Polygon(aPolygon))); } } else { const basegfx::B2DPolygon aPolygon( basegfx::utils::createPolygonFromRect( basegfx::B2DRange( 0, 0, aDXArry.empty() ? 10 : aDXArry.back(), aFont.GetFontHeight() ))); aCharacterData.vOutlines.push_back(tools::PolyPolygon(tools::Polygon(aPolygon))); } rParagraph.vCharacters.push_back( aCharacterData ); } } // vertical alignment for ( auto& rCharacter : rParagraph.vCharacters ) { for( tools::PolyPolygon& rPolyPoly : rCharacter.vOutlines ) { if ( nVerticalOffset ) rPolyPoly.Move( 0, nVerticalOffset ); // retrieving the boundrect for the paragraph tools::Rectangle aBoundRect( rPolyPoly.GetBoundRect() ); rParagraph.aBoundRect.Union( aBoundRect ); } } } // updating the boundrect for the text area by merging the current paragraph boundrect if ( rParagraph.aBoundRect.IsEmpty() ) { if ( rTextArea.aBoundRect.IsEmpty() ) rTextArea.aBoundRect = tools::Rectangle( Point( 0, 0 ), Size( 1, rFWData.nSingleLineHeight ) ); else rTextArea.aBoundRect.AdjustBottom(rFWData.nSingleLineHeight ); } else { tools::Rectangle& rParagraphBoundRect = rParagraph.aBoundRect; rTextArea.aBoundRect.Union( rParagraphBoundRect ); if ( bSameLetterHeights ) { for ( auto& rCharacter : rParagraph.vCharacters ) { for( auto& rOutline : rCharacter.vOutlines ) { tools::Rectangle aPolyPolyBoundRect( rOutline.GetBoundRect() ); if (aPolyPolyBoundRect.GetHeight() != rParagraphBoundRect.GetHeight() && aPolyPolyBoundRect.GetHeight()) rOutline.Scale( 1.0, static_cast(rParagraphBoundRect.GetHeight()) / aPolyPolyBoundRect.GetHeight() ); aPolyPolyBoundRect = rOutline.GetBoundRect(); sal_Int32 nMove = aPolyPolyBoundRect.Top() - rParagraphBoundRect.Top(); if ( nMove ) rOutline.Move( 0, -nMove ); } } } } if ( bIsVertical ) nVerticalOffset -= rFWData.nSingleLineHeight; else nVerticalOffset += rFWData.nSingleLineHeight; } } static bool GetFontWorkOutline( FWData& rFWData, const SdrObjCustomShape& rSdrObjCustomShape) { SdrTextHorzAdjust eHorzAdjust(rSdrObjCustomShape.GetMergedItem( SDRATTR_TEXT_HORZADJUST ).GetValue()); drawing::TextFitToSizeType const eFTS(rSdrObjCustomShape.GetMergedItem( SDRATTR_TEXT_FITTOSIZE ).GetValue()); bool bSameLetterHeights = false; const SdrCustomShapeGeometryItem& rGeometryItem(rSdrObjCustomShape.GetMergedItem( SDRATTR_CUSTOMSHAPE_GEOMETRY )); const css::uno::Any* pAny = rGeometryItem.GetPropertyValueByName( "TextPath", "SameLetterHeights" ); if ( pAny ) *pAny >>= bSameLetterHeights; const SvxFontHeightItem& rFontHeight( rSdrObjCustomShape.GetMergedItem( EE_CHAR_FONTHEIGHT ) ); if (rFWData.bScaleX) rFWData.nSingleLineHeight = rFWData.fVerticalTextScaling * rFontHeight.GetHeight(); else rFWData.nSingleLineHeight = static_cast( ( static_cast( rSdrObjCustomShape.GetLogicRect().GetHeight() ) / rFWData.nMaxParagraphsPerTextArea ) * rFWData.fHorizontalTextScaling ); if (rFWData.nSingleLineHeight == SAL_MIN_INT32) return false; for ( auto& rTextArea : rFWData.vTextAreas ) { GetTextAreaOutline( rFWData, rSdrObjCustomShape, rTextArea, bSameLetterHeights); if (eFTS == drawing::TextFitToSizeType_ALLLINES || // tdf#97630 interpret PROPORTIONAL same as ALLLINES so we don't // need another ODF attribute! eFTS == drawing::TextFitToSizeType_PROPORTIONAL) { for ( auto& rParagraph : rTextArea.vParagraphs ) { sal_Int32 nParaWidth = rParagraph.aBoundRect.GetWidth(); if ( nParaWidth ) { double fScale = static_cast(rTextArea.aBoundRect.GetWidth()) / nParaWidth; for ( auto& rCharacter : rParagraph.vCharacters ) { for( auto& rOutline : rCharacter.vOutlines ) { rOutline.Scale( fScale, 1.0 ); } } } } } else if (rFWData.bScaleX) { const SdrTextVertAdjust nVertJustify = rSdrObjCustomShape.GetMergedItem( SDRATTR_TEXT_VERTADJUST ).GetValue(); double fFactor = nVertJustify == SdrTextVertAdjust::SDRTEXTVERTADJUST_BOTTOM ? -0.5 : ( nVertJustify == SdrTextVertAdjust::SDRTEXTVERTADJUST_TOP ? 0.5 : 0 ); for ( auto& rParagraph : rTextArea.vParagraphs ) { sal_Int32 nHorzDiff = 0; sal_Int32 nVertDiff = static_cast( rFWData.nSingleLineHeight ) * fFactor * ( rTextArea.vParagraphs.size() - 1 ); rTextArea.nHAlignMove = nVertDiff; if ( eHorzAdjust == SDRTEXTHORZADJUST_CENTER ) nHorzDiff = ( rFWData.fHorizontalTextScaling * rTextArea.aBoundRect.GetWidth() - rParagraph.aBoundRect.GetWidth() ) / 2; else if ( eHorzAdjust == SDRTEXTHORZADJUST_RIGHT ) nHorzDiff = ( rFWData.fHorizontalTextScaling * rTextArea.aBoundRect.GetWidth() - rParagraph.aBoundRect.GetWidth() ); if (nHorzDiff || nVertDiff) { for ( auto& rCharacter : rParagraph.vCharacters ) { for( auto& rOutline : rCharacter.vOutlines ) { rOutline.Move( nHorzDiff, nVertDiff ); } } } } } else { switch( eHorzAdjust ) { case SDRTEXTHORZADJUST_RIGHT : case SDRTEXTHORZADJUST_CENTER: { for ( auto& rParagraph : rTextArea.vParagraphs ) { sal_Int32 nHorzDiff = 0; if ( eHorzAdjust == SDRTEXTHORZADJUST_CENTER ) nHorzDiff = ( rTextArea.aBoundRect.GetWidth() - rParagraph.aBoundRect.GetWidth() ) / 2; else if ( eHorzAdjust == SDRTEXTHORZADJUST_RIGHT ) nHorzDiff = ( rTextArea.aBoundRect.GetWidth() - rParagraph.aBoundRect.GetWidth() ); if ( nHorzDiff ) { for ( auto& rCharacter : rParagraph.vCharacters ) { for( auto& rOutline : rCharacter.vOutlines ) { rOutline.Move( nHorzDiff, 0 ); } } } } } break; default: case SDRTEXTHORZADJUST_BLOCK : break; // don't know case SDRTEXTHORZADJUST_LEFT : break; // already left aligned -> nothing to do } } } return true; } static basegfx::B2DPolyPolygon GetOutlinesFromShape2d( const SdrObject* pShape2d ) { basegfx::B2DPolyPolygon aOutlines2d; SdrObjListIter aObjListIter( *pShape2d, SdrIterMode::DeepWithGroups ); while( aObjListIter.IsMore() ) { SdrObject* pPartObj = aObjListIter.Next(); if ( auto pPathObj = dynamic_cast( pPartObj)) { basegfx::B2DPolyPolygon aCandidate(pPathObj->GetPathPoly()); if(aCandidate.areControlPointsUsed()) { aCandidate = basegfx::utils::adaptiveSubdivideByAngle(aCandidate); } aOutlines2d.append(aCandidate); } } return aOutlines2d; } static void CalcDistances( const tools::Polygon& rPoly, std::vector< double >& rDistances ) { sal_uInt16 i, nCount = rPoly.GetSize(); if ( nCount <= 1 ) return; for ( i = 0; i < nCount; i++ ) { double fDistance = i ? rPoly.CalcDistance( i, i - 1 ) : 0.0; rDistances.push_back( fDistance ); } std::partial_sum( rDistances.begin(), rDistances.end(), rDistances.begin() ); double fLength = rDistances[ rDistances.size() - 1 ]; if ( fLength > 0.0 ) { for ( auto& rDistance : rDistances ) rDistance /= fLength; } } static void InsertMissingOutlinePoints( const std::vector< double >& rDistances, const tools::Rectangle& rTextAreaBoundRect, tools::Polygon& rPoly ) { sal_uInt16 nSize = rPoly.GetSize(); if (nSize == 0) return; tools::Long nTextWidth = rTextAreaBoundRect.GetWidth(); if (nTextWidth == 0) throw o3tl::divide_by_zero(); double fLastDistance = 0.0; for (sal_uInt16 i = 0; i < nSize; ++i) { Point& rPoint = rPoly[ i ]; double fDistance = static_cast( rPoint.X() - rTextAreaBoundRect.Left() ) / static_cast(nTextWidth); if ( i ) { if ( fDistance > fLastDistance ) { std::vector< double >::const_iterator aIter = std::upper_bound( rDistances.begin(), rDistances.end(), fLastDistance ); if ( aIter != rDistances.end() && ( *aIter > fLastDistance ) && ( *aIter < fDistance ) ) { Point& rPt0 = rPoly[ i - 1 ]; sal_Int32 fX = rPoint.X() - rPt0.X(); sal_Int32 fY = rPoint.Y() - rPt0.Y(); double fd = ( 1.0 / ( fDistance - fLastDistance ) ) * ( *aIter - fLastDistance ); rPoly.Insert( i, Point( static_cast( rPt0.X() + fX * fd ), static_cast( rPt0.Y() + fY * fd ) ) ); fDistance = *aIter; } } else if ( fDistance < fLastDistance ) { std::vector< double >::const_iterator aIter = std::lower_bound( rDistances.begin(), rDistances.end(), fLastDistance ); if ( aIter != rDistances.begin() ) { --aIter; if ( ( *aIter > fDistance ) && ( *aIter < fLastDistance ) ) { Point& rPt0 = rPoly[ i - 1 ]; sal_Int32 fX = rPoint.X() - rPt0.X(); sal_Int32 fY = rPoint.Y() - rPt0.Y(); double fd = ( 1.0 / ( fDistance - fLastDistance ) ) * ( *aIter - fLastDistance ); rPoly.Insert( i, Point( static_cast( rPt0.X() + fX * fd ), static_cast( rPt0.Y() + fY * fd ) ) ); fDistance = *aIter; } } } } fLastDistance = fDistance; } } //only 2 types used: 'const tools::Polygon&' and 'const std::vector&' template static void GetPoint( T rPoly, const std::vector< double >& rDistances, const double& fX, double& fx1, double& fy1 ) { fy1 = fx1 = 0.0; if (rPoly.size() <= 1) return; std::vector< double >::const_iterator aIter = std::lower_bound( rDistances.begin(), rDistances.end(), fX ); sal_uInt16 nIdx = sal::static_int_cast( std::distance( rDistances.begin(), aIter ) ); if ( aIter == rDistances.end() ) nIdx--; const Point& rPt = rPoly[ nIdx ]; fx1 = rPt.X(); fy1 = rPt.Y(); if ( !nIdx || ( aIter == rDistances.end() ) || rtl::math::approxEqual( *aIter, fX ) ) return; nIdx = sal::static_int_cast( std::distance( rDistances.begin(), aIter ) ); double fDist0 = *( aIter - 1 ); double fd = ( 1.0 / ( *aIter - fDist0 ) ) * ( fX - fDist0 ); const Point& rPt2 = rPoly[ nIdx - 1 ]; double fWidth = rPt.X() - rPt2.X(); double fHeight= rPt.Y() - rPt2.Y(); fWidth *= fd; fHeight*= fd; fx1 = rPt2.X() + fWidth; fy1 = rPt2.Y() + fHeight; } static void FitTextOutlinesToShapeOutlines(const tools::PolyPolygon& aOutlines2d, FWData& rFWData, SdrTextHorzAdjust eHorzAdjust, bool bPPFontwork) { sal_uInt16 nOutline2dIdx = 0; for( auto& rTextArea : rFWData.vTextAreas ) { tools::Rectangle rTextAreaBoundRect = rTextArea.aBoundRect; sal_Int32 nLeft = rTextAreaBoundRect.Left(); sal_Int32 nTop = rTextAreaBoundRect.Top(); sal_Int32 nWidth = rTextAreaBoundRect.GetWidth(); sal_Int32 nHeight= rTextAreaBoundRect.GetHeight(); if (rFWData.bScaleX) { nWidth *= rFWData.fHorizontalTextScaling; } if ( rFWData.bSingleLineMode && nHeight && nWidth ) { if ( nOutline2dIdx >= aOutlines2d.Count() ) break; const tools::Polygon& rOutlinePoly( aOutlines2d[ nOutline2dIdx++ ] ); const sal_uInt16 nPointCount = rOutlinePoly.GetSize(); if ( nPointCount > 1 ) { std::vector< double > vDistances; vDistances.reserve( nPointCount ); CalcDistances( rOutlinePoly, vDistances ); if ( !vDistances.empty() ) { // horizontal alignment: how much we have to move text to the right. int nAdjust = -1; switch (eHorzAdjust) { case SDRTEXTHORZADJUST_RIGHT: nAdjust = 2; // 2 half of the possible break; case SDRTEXTHORZADJUST_CENTER: nAdjust = 1; // 1 half of the possible break; case SDRTEXTHORZADJUST_BLOCK: nAdjust = -1; // don't know what it is, so don't even align break; case SDRTEXTHORZADJUST_LEFT: nAdjust = 0; // no need to move break; } if (bPPFontwork && rTextArea.vParagraphs.size() > 1 && nAdjust >= 0) { // If we have multiple lines of text to fit to the outline (curve) // then we have to be able to calculate outer versions of the outline // where we can fit the next lines of texts // those outer lines will be wider (or shorter) as the original outline // and probably will looks different as the original outline. // // for example if we have an outline like this: // <____> // then the middle part will have the same normals, so distances there, // will not change for an outer outline // while the points near the edge will have different normals, // distances around there will increase for an outer (wider) outline //Normal vectors for every rOutlinePoly point. 1024 long std::vector vNorm; //wider curve path points, for current paragraph (rOutlinePoly + vNorm*line) std::vector vCurOutline; //distances between points of this wider curve std::vector vCurDistances; vCurDistances.reserve(nPointCount); vCurOutline.reserve(nPointCount); vNorm.reserve(nPointCount); // Calculate Normal vectors, and allocate curve data sal_uInt16 i; for (i = 0; i < nPointCount; i++) { //Normal vector for a point will be calculated from its neighbour points //except if it is in the start/end of the vector sal_uInt16 nPointIdx1 = i == 0 ? i : i - 1; sal_uInt16 nPointIdx2 = i == nPointCount - 1 ? i : i + 1; Point aPoint = rOutlinePoly.GetPoint(nPointIdx2) - rOutlinePoly.GetPoint(nPointIdx1); double fLen = sqrt(aPoint.X() * aPoint.X() + aPoint.Y() * aPoint.Y()); if (fLen > 0) { //Rotate by 90 degree, and divide by length, to get normal vector vNorm.emplace_back(aPoint.getY() * 1024 / fLen, -aPoint.getX() * 1024 / fLen); } else { vNorm.emplace_back(0, 0); } vCurOutline.emplace_back(Point()); vCurDistances.push_back(0); } for( auto& rParagraph : rTextArea.vParagraphs ) { //calculate the actual outline length, and its align adjustments double fAdjust; double fCurWidth; // distance between the original and the current curve double fCurvesDist = rTextArea.aBoundRect.GetHeight() / 2.0 + rTextArea.aBoundRect.Top() - rParagraph.aBoundRect.Center().Y(); // vertical alignment adjust fCurvesDist -= rTextArea.nHAlignMove; for (i = 0; i < nPointCount; i++) { vCurOutline[i] = rOutlinePoly.GetPoint(i) + vNorm[i] * fCurvesDist / 1024.0; if (i > 0) { //calculate distances between points on the outer outline const double fDx = vCurOutline[i].X() - vCurOutline[i - 1].X(); const double fDy = vCurOutline[i].Y() - vCurOutline[i - 1].Y(); vCurDistances[i] = sqrt(fDx * fDx + fDy * fDy); } else vCurDistances[i] = 0; } std::partial_sum(vCurDistances.begin(), vCurDistances.end(), vCurDistances.begin()); fCurWidth = vCurDistances[vCurDistances.size() - 1]; if (fCurWidth > 0.0) { for (auto& rDistance : vCurDistances) rDistance /= fCurWidth; } // if the current outline is longer then the text to fit in, // then we have to divide the bonus space between the // before-/after- text area. // fAdjust means how much space we put before the text. if (fCurWidth > rParagraph.aBoundRect.GetWidth()) { fAdjust = nAdjust * (fCurWidth - rParagraph.aBoundRect.GetWidth()) / 2; } else fAdjust = -1; // we need to shrink the text to fit the curve for ( auto& rCharacter : rParagraph.vCharacters ) { for (tools::PolyPolygon& rPolyPoly : rCharacter.vOutlines) { tools::Rectangle aBoundRect(rPolyPoly.GetBoundRect()); double fx1 = aBoundRect.Left() - nLeft; double fx2 = aBoundRect.Right() - nLeft; double fParaRectWidth = rParagraph.aBoundRect.GetWidth(); // Undo Horizontal alignment, hacked into poly coords, // so we can calculate it the right way double fHA = (rFWData.fHorizontalTextScaling * rTextArea.aBoundRect.GetWidth() - rParagraph.aBoundRect.GetWidth()) * nAdjust / 2; fx1 -= fHA; fx2 -= fHA; double fy1, fy2; double fM1 = fx1 / fParaRectWidth; double fM2 = fx2 / fParaRectWidth; // if fAdjust<0, then it means, the text was longer, as // the current outline, so we will skip the text scaling, and // the text horizontal alignment adjustment // so the text will be rendered just as long as the curve is. if (fAdjust >= 0) { fM1 = (fM1 * fParaRectWidth + fAdjust) / fCurWidth; fM2 = (fM2 * fParaRectWidth + fAdjust) / fCurWidth; } // 0 <= fM1,fM2 <= 1 should be true, but rounding errors can // make a small mistake. // make sure they are >0 because GetPoint() need that if (fM1 < 0) fM1 = 0; if (fM2 < 0) fM2 = 0; GetPoint(vCurOutline, vCurDistances, fM1, fx1, fy1); GetPoint(vCurOutline, vCurDistances, fM2, fx2, fy2); double fvx = fy2 - fy1; double fvy = - ( fx2 - fx1 ); fx1 = fx1 + ( ( fx2 - fx1 ) * 0.5 ); fy1 = fy1 + ( ( fy2 - fy1 ) * 0.5 ); double fAngle = atan2( -fvx, -fvy ); double fL = hypot( fvx, fvy ); if (fL == 0.0) { SAL_WARN("svx", "FitTextOutlinesToShapeOutlines div-by-zero, abandon fit"); break; } fvx = fvx / fL; fvy = fvy / fL; // Undo Vertical alignment hacked into poly coords // We already calculated the right alignment into the curve fL = rTextArea.nHAlignMove; fvx *= fL; fvy *= fL; rPolyPoly.Rotate( Point( aBoundRect.Center().X(), rParagraph.aBoundRect.Center().Y() ), sin( fAngle ), cos( fAngle ) ); rPolyPoly.Move( static_cast( ( fx1 + fvx )- aBoundRect.Center().X() ), static_cast( ( fy1 + fvy ) - rParagraph.aBoundRect.Center().Y() ) ); } } } } else { // Fallback / old way to handle multiple lines: // Every text lines use the same original outline (curve), // it just scale character coordinates to fit to the right text line // (curve), resulting wider/thinner space between characters for (auto& rParagraph : rTextArea.vParagraphs) { for (auto& rCharacter : rParagraph.vCharacters) { for (tools::PolyPolygon& rPolyPoly : rCharacter.vOutlines) { tools::Rectangle aBoundRect(rPolyPoly.GetBoundRect()); double fx1 = aBoundRect.Left() - nLeft; double fx2 = aBoundRect.Right() - nLeft; double fy1, fy2; double fM1 = fx1 / static_cast(nWidth); double fM2 = fx2 / static_cast(nWidth); GetPoint(rOutlinePoly, vDistances, fM1, fx1, fy1); GetPoint(rOutlinePoly, vDistances, fM2, fx2, fy2); double fvx = fy2 - fy1; double fvy = -(fx2 - fx1); fx1 = fx1 + ((fx2 - fx1) * 0.5); fy1 = fy1 + ((fy2 - fy1) * 0.5); double fAngle = atan2(-fvx, -fvy); double fL = hypot(fvx, fvy); if (fL == 0.0) { SAL_WARN("svx", "FitTextOutlinesToShapeOutlines div-by-zero, abandon fit"); break; } fvx = fvx / fL; fvy = fvy / fL; fL = rTextArea.aBoundRect.GetHeight() / 2.0 + rTextArea.aBoundRect.Top() - rParagraph.aBoundRect.Center().Y(); fvx *= fL; fvy *= fL; rPolyPoly.Rotate( Point( aBoundRect.Center().X(), rParagraph.aBoundRect.Center().Y() ), sin( fAngle ), cos( fAngle ) ); rPolyPoly.Move( static_cast( ( fx1 + fvx )- aBoundRect.Center().X() ), static_cast( ( fy1 + fvy ) - rParagraph.aBoundRect.Center().Y() ) ); } } } } } } } else { if ( ( nOutline2dIdx + 1 ) >= aOutlines2d.Count() ) break; const tools::Polygon& rOutlinePoly( aOutlines2d[ nOutline2dIdx++ ] ); const tools::Polygon& rOutlinePoly2( aOutlines2d[ nOutline2dIdx++ ] ); const sal_uInt16 nPointCount = rOutlinePoly.GetSize(); const sal_uInt16 nPointCount2 = rOutlinePoly2.GetSize(); if ( ( nPointCount > 1 ) && ( nPointCount2 > 1 ) ) { std::vector< double > vDistances; vDistances.reserve( nPointCount ); std::vector< double > vDistances2; vDistances2.reserve( nPointCount2 ); CalcDistances( rOutlinePoly, vDistances ); CalcDistances( rOutlinePoly2, vDistances2 ); for( auto& rParagraph : rTextArea.vParagraphs ) { for ( auto& rCharacter : rParagraph.vCharacters ) { for( tools::PolyPolygon& rPolyPoly : rCharacter.vOutlines ) { sal_uInt16 i, nPolyCount = rPolyPoly.Count(); for ( i = 0; i < nPolyCount; i++ ) { // #i35928# basegfx::B2DPolygon aCandidate(rPolyPoly[ i ].getB2DPolygon()); if(aCandidate.areControlPointsUsed()) { aCandidate = basegfx::utils::adaptiveSubdivideByAngle(aCandidate); } // create local polygon copy to work on tools::Polygon aLocalPoly(aCandidate); InsertMissingOutlinePoints( vDistances, rTextAreaBoundRect, aLocalPoly ); InsertMissingOutlinePoints( vDistances2, rTextAreaBoundRect, aLocalPoly ); sal_uInt16 _nPointCount = aLocalPoly.GetSize(); if (_nPointCount) { if (!nWidth || !nHeight) throw o3tl::divide_by_zero(); for (sal_uInt16 j = 0; j < _nPointCount; ++j) { Point& rPoint = aLocalPoly[ j ]; rPoint.AdjustX( -nLeft ); rPoint.AdjustY( -nTop ); double fX = static_cast(rPoint.X()) / static_cast(nWidth); double fY = static_cast(rPoint.Y()) / static_cast(nHeight); double fx1, fy1, fx2, fy2; GetPoint( rOutlinePoly, vDistances, fX, fx1, fy1 ); GetPoint( rOutlinePoly2, vDistances2, fX, fx2, fy2 ); double fWidth = fx2 - fx1; double fHeight= fy2 - fy1; rPoint.setX( static_cast( fx1 + fWidth * fY ) ); rPoint.setY( static_cast( fy1 + fHeight* fY ) ); } } // write back polygon rPolyPoly[ i ] = aLocalPoly; } } } } } } } } static rtl::Reference CreateSdrObjectFromParagraphOutlines( const FWData& rFWData, const SdrObjCustomShape& rSdrObjCustomShape) { rtl::Reference pRet; basegfx::B2DPolyPolygon aPolyPoly; if ( !rFWData.vTextAreas.empty() ) { for ( const auto& rTextArea : rFWData.vTextAreas ) { for ( const auto& rParagraph : rTextArea.vParagraphs ) { for ( const auto& rCharacter : rParagraph.vCharacters ) { for( const auto& rOutline : rCharacter.vOutlines ) { aPolyPoly.append( rOutline.getB2DPolyPolygon() ); } } } } pRet = new SdrPathObj( rSdrObjCustomShape.getSdrModelFromSdrObject(), SdrObjKind::Polygon, std::move(aPolyPoly)); SfxItemSet aSet(rSdrObjCustomShape.GetMergedItemSet()); aSet.ClearItem( SDRATTR_TEXTDIRECTION ); //SJ: vertical writing is not required, by removing this item no outliner is created aSet.Put(makeSdrShadowItem(false)); // #i37011# NO shadow for FontWork geometry pRet->SetMergedItemSet( aSet ); // * otherwise we would crash, because the outliner tries to create a Paraobject, but there is no model } return pRet; } Reference < i18n::XBreakIterator > EnhancedCustomShapeFontWork::mxBreakIterator; Reference < i18n::XBreakIterator > const & EnhancedCustomShapeFontWork::GetBreakIterator() { if ( !mxBreakIterator.is() ) { Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext(); mxBreakIterator = i18n::BreakIterator::create(xContext); } return mxBreakIterator; } rtl::Reference EnhancedCustomShapeFontWork::CreateFontWork( const SdrObject* pShape2d, const SdrObjCustomShape& rSdrObjCustomShape) { rtl::Reference pRet; // calculating scaling factor is too slow if (utl::ConfigManager::IsFuzzing()) return pRet; tools::PolyPolygon aOutlines2d( GetOutlinesFromShape2d( pShape2d ) ); sal_uInt16 nOutlinesCount2d = aOutlines2d.Count(); if ( nOutlinesCount2d ) { FWData aFWData; if(InitializeFontWorkData(rSdrObjCustomShape, nOutlinesCount2d, aFWData)) { /* retrieves the horizontal scaling factor that has to be used to fit each paragraph text into its corresponding 2d outline */ CalculateHorizontalScalingFactor( rSdrObjCustomShape, aFWData, aOutlines2d); /* retrieving the Outlines for the each Paragraph. */ if(!GetFontWorkOutline( aFWData, rSdrObjCustomShape)) { return nullptr; } SdrTextHorzAdjust eHorzAdjust( rSdrObjCustomShape.GetMergedItem(SDRATTR_TEXT_HORZADJUST).GetValue()); bool bPPFontwork = !rSdrObjCustomShape.getSdrModelFromSdrObject().GetCompatibilityFlag( SdrCompatibilityFlag::LegacyFontwork); FitTextOutlinesToShapeOutlines( aOutlines2d, aFWData, eHorzAdjust, bPPFontwork ); pRet = CreateSdrObjectFromParagraphOutlines( aFWData, rSdrObjCustomShape); } } return pRet; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */