/* -*- 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace ::com::sun::star; using namespace ::xmloff::token; SvXMLEnumMapEntry const pXML_GradientStyle_Enum[] = { { XML_LINEAR, awt::GradientStyle_LINEAR }, { XML_GRADIENTSTYLE_AXIAL, awt::GradientStyle_AXIAL }, { XML_GRADIENTSTYLE_RADIAL, awt::GradientStyle_RADIAL }, { XML_GRADIENTSTYLE_ELLIPSOID, awt::GradientStyle_ELLIPTICAL }, { XML_GRADIENTSTYLE_SQUARE, awt::GradientStyle_SQUARE }, { XML_GRADIENTSTYLE_RECTANGULAR, awt::GradientStyle_RECT }, { XML_TOKEN_INVALID, awt::GradientStyle(0) } }; // Import XMLTransGradientStyleImport::XMLTransGradientStyleImport( SvXMLImport& rImp ) : rImport(rImp) { } void XMLTransGradientStyleImport::importXML( const uno::Reference< xml::sax::XFastAttributeList >& xAttrList, uno::Any& rValue, OUString& rStrName ) { OUString aDisplayName; awt::Gradient2 aGradient; aGradient.XOffset = 0; aGradient.YOffset = 0; aGradient.StartIntensity = 100; aGradient.EndIntensity = 100; aGradient.Angle = 0; aGradient.Border = 0; for (auto &aIter : sax_fastparser::castToFastAttributeList( xAttrList )) { sal_Int32 nTmpValue; switch( aIter.getToken() ) { case XML_ELEMENT(DRAW, XML_NAME): { rStrName = aIter.toString(); } break; case XML_ELEMENT(DRAW, XML_DISPLAY_NAME): { aDisplayName = aIter.toString(); } break; case XML_ELEMENT(DRAW, XML_STYLE): { SvXMLUnitConverter::convertEnum( aGradient.Style, aIter.toView(), pXML_GradientStyle_Enum ); } break; case XML_ELEMENT(DRAW, XML_CX): ::sax::Converter::convertPercent( nTmpValue, aIter.toView() ); aGradient.XOffset = sal::static_int_cast< sal_Int16 >(nTmpValue); break; case XML_ELEMENT(DRAW, XML_CY): ::sax::Converter::convertPercent( nTmpValue, aIter.toView() ); aGradient.YOffset = sal::static_int_cast< sal_Int16 >(nTmpValue); break; case XML_ELEMENT(DRAW, XML_START): { sal_Int32 aStartTransparency; ::sax::Converter::convertPercent( aStartTransparency, aIter.toView() ); sal_uInt8 n = sal::static_int_cast< sal_uInt8 >( ( (100 - aStartTransparency) * 255 ) / 100 ); Color aColor( n, n, n ); aGradient.StartColor = static_cast( aColor ); } break; case XML_ELEMENT(DRAW, XML_END): { sal_Int32 aEndTransparency; ::sax::Converter::convertPercent( aEndTransparency, aIter.toView() ); sal_uInt8 n = sal::static_int_cast< sal_uInt8 >( ( (100 - aEndTransparency) * 255 ) / 100 ); Color aColor( n, n, n ); aGradient.EndColor = static_cast( aColor ); } break; case XML_ELEMENT(DRAW, XML_GRADIENT_ANGLE): { auto const cmp12(rImport.GetODFVersion().compareTo(ODFVER_012_TEXT)); // tdf#89475 try to detect borked OOo angles bool const bIsWrongOOo10thDegAngle( (cmp12 < 0) || (cmp12 == 0 && (rImport.isGeneratorVersionOlderThan(SvXMLImport::AOO_4x, SvXMLImport::LO_7x) // also for AOO 4.x, assume there won't ever be a 4.2 || rImport.getGeneratorVersion() == SvXMLImport::AOO_4x))); sal_Int16 nAngle; bool const bSuccess = ::sax::Converter::convert10thDegAngle( nAngle, aIter.toView(), bIsWrongOOo10thDegAngle); if (bSuccess) { // limit to valid range [0..3600[ nAngle = nAngle % 3600; if (nAngle < 0) nAngle += 3600; aGradient.Angle = nAngle; } SAL_INFO_IF(!bSuccess, "xmloff.style", "failed to import draw:angle"); } break; case XML_ELEMENT(DRAW, XML_BORDER): ::sax::Converter::convertPercent( nTmpValue, aIter.toView() ); aGradient.Border = sal::static_int_cast< sal_Int16 >(nTmpValue); break; default: XMLOFF_WARN_UNKNOWN("xmloff.style", aIter); } } rValue <<= aGradient; if( !aDisplayName.isEmpty() ) { rImport.AddStyleDisplayName( XmlStyleFamily::SD_GRADIENT_ID, rStrName, aDisplayName ); rStrName = aDisplayName; } } // Export XMLTransGradientStyleExport::XMLTransGradientStyleExport( SvXMLExport& rExp ) : rExport(rExp) { } void XMLTransGradientStyleExport::exportXML( const OUString& rStrName, const uno::Any& rValue ) { // MCGR: We try to write the gradient so, that applications without multi-color gradient support // can render it as best as possible. // This is similar to XMLGradientStyleExport::exportXML(). For details see there. if( rStrName.isEmpty() ) return; if (!rValue.has() && !rValue.has()) return; basegfx::BGradient aGradient = model::gradient::getFromAny(rValue); aGradient.tryToConvertToAxial(); aGradient.tryToRecreateBorder(nullptr); OUString aStrValue; OUStringBuffer aOut; // Style if (!SvXMLUnitConverter::convertEnum(aOut, aGradient.GetGradientStyle(), pXML_GradientStyle_Enum)) return; // Name bool bEncoded = false; rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_NAME, rExport.EncodeStyleName( rStrName, &bEncoded ) ); if( bEncoded ) rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_DISPLAY_NAME, rStrName ); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_STYLE, aStrValue ); // Center x/y if (awt::GradientStyle_LINEAR != aGradient.GetGradientStyle() && awt::GradientStyle_AXIAL != aGradient.GetGradientStyle()) { ::sax::Converter::convertPercent(aOut, aGradient.GetXOffset()); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_CX, aStrValue ); ::sax::Converter::convertPercent(aOut, aGradient.GetYOffset()); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_CY, aStrValue ); } // LO uses a gray color as transparency. ODF uses opacity in range [0%,100%]. // Default 100% opacity. double fOpacityStartPerc = 100.0; double fOpacityEndPerc = 100.0; if (!aGradient.GetColorStops().empty()) { fOpacityStartPerc = (1.0 - aGradient.GetColorStops().front().getStopColor().getRed()) * 100.0; fOpacityEndPerc = (1.0 - aGradient.GetColorStops().back().getStopColor().getRed()) * 100.0; } // Opacity start ::sax::Converter::convertPercent(aOut, static_cast(std::lround(fOpacityStartPerc))); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_START, aStrValue ); // Opacity end ::sax::Converter::convertPercent( aOut, static_cast(std::lround(fOpacityEndPerc))); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_END, aStrValue ); // Angle if (awt::GradientStyle_RADIAL != aGradient.GetGradientStyle()) { // true: wrong, but backward compatible with OOo/LO < 4.4 // false: OFFICE-3774 tdf#89475 write valid ODF 1.2 angle; needs LO 4.4 to import bool bIsWrongOOo10thDegAngle(rExport.getSaneDefaultVersion() < SvtSaveOptions::ODFSVER_012 || rExport.getSaneDefaultVersion() == SvtSaveOptions::ODFSVER_012_EXT_COMPAT); ::sax::Converter::convert10thDegAngle(aOut, aGradient.GetAngle().get(), bIsWrongOOo10thDegAngle); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute(XML_NAMESPACE_DRAW, XML_GRADIENT_ANGLE, aStrValue); } // Border ::sax::Converter::convertPercent(aOut, aGradient.GetBorder()); aStrValue = aOut.makeStringAndClear(); rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_BORDER, aStrValue ); // ctor writes start tag. End-tag is written by destructor at block end. SvXMLElementExport rElem(rExport, XML_NAMESPACE_DRAW, XML_OPACITY, true, false); // Write child elements // Do not export in standard ODF 1.3 or older. if ((rExport.getSaneDefaultVersion() & SvtSaveOptions::ODFSVER_EXTENDED) == 0) return; if (aGradient.GetColorStops().empty()) return; double fPreviousOffset = 0.0; for (auto& aCandidate : aGradient.GetColorStops()) { // Attribute svg:offset. Make sure offsets are increasing. double fOffset = std::clamp(aCandidate.getStopOffset(), 0.0, 1.0); if (fOffset < fPreviousOffset) fOffset = fPreviousOffset; rExport.AddAttribute(XML_NAMESPACE_SVG, XML_OFFSET, OUString::number(fOffset)); fPreviousOffset = fOffset; // Attribute svg:stop-opacity, data type zeroToOneDecimal double fOpacity = std::clamp(1.0 - aCandidate.getStopColor().getRed(), 0.0, 1.0); rExport.AddAttribute(XML_NAMESPACE_SVG, XML_STOP_OPACITY, OUString::number(fOpacity)); // write opacity stop element SvXMLElementExport aStopElement(rExport, XML_NAMESPACE_LO_EXT, XML_OPACITY_STOP, true, true); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ edrendering4'>feature/calctiledrendering4 LibreOffice 核心代码仓库文档基金会
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