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Diffstat (limited to '')
| -rw-r--r-- | xmloff/source/draw/XMLImageMapContext.cxx | 542 |
1 files changed, 542 insertions, 0 deletions
diff --git a/xmloff/source/draw/XMLImageMapContext.cxx b/xmloff/source/draw/XMLImageMapContext.cxx new file mode 100644 index 000000000..1b9c295d0 --- /dev/null +++ b/xmloff/source/draw/XMLImageMapContext.cxx @@ -0,0 +1,542 @@ +/* -*- 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 <XMLImageMapContext.hxx> +#include <rtl/ustrbuf.hxx> +#include <com/sun/star/uno/Reference.h> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/beans/XPropertySetInfo.hpp> +#include <com/sun/star/frame/XModel.hpp> +#include <com/sun/star/xml/sax/XAttributeList.hpp> +#include <com/sun/star/container/XIndexContainer.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/document/XEventsSupplier.hpp> +#include <com/sun/star/awt/Rectangle.hpp> +#include <xmloff/xmltoken.hxx> +#include <xmloff/xmlimp.hxx> +#include <xmloff/xmltkmap.hxx> +#include <xmloff/xmlnamespace.hxx> +#include <xmloff/namespacemap.hxx> +#include <xmloff/xmluconv.hxx> +#include <xexptran.hxx> +#include <xmloff/xmlerror.hxx> +#include <xmloff/XMLEventsImportContext.hxx> +#include <XMLStringBufferImportContext.hxx> +#include <tools/debug.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <sal/log.hxx> + +using namespace ::com::sun::star; +using namespace ::xmloff::token; + +using ::com::sun::star::beans::XPropertySet; +using ::com::sun::star::beans::XPropertySetInfo; +using ::com::sun::star::container::XIndexContainer; +using ::com::sun::star::lang::XMultiServiceFactory; +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::UNO_QUERY; +using ::com::sun::star::xml::sax::XAttributeList; +using ::com::sun::star::uno::XInterface; +using ::com::sun::star::uno::Any; +using ::com::sun::star::document::XEventsSupplier; + +namespace { + +class XMLImageMapObjectContext : public SvXMLImportContext +{ + +protected: + + Reference<XIndexContainer> xImageMap; /// the image map + Reference<XPropertySet> xMapEntry; /// one map-entry (one area) + + OUString sUrl; + OUString sTargt; + OUStringBuffer sDescriptionBuffer; + OUStringBuffer sTitleBuffer; + OUString sNam; + bool bIsActive; + + bool bValid; + +public: + + XMLImageMapObjectContext( + SvXMLImport& rImport, + css::uno::Reference<css::container::XIndexContainer> const & xMap, + const char* pServiceName); + + virtual void SAL_CALL startFastElement( sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override; + + virtual void SAL_CALL endFastElement(sal_Int32 nElement) override; + + virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext( + sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& AttrList ) override; + +protected: + + virtual void ProcessAttribute(const sax_fastparser::FastAttributeList::FastAttributeIter &); + + virtual void Prepare( + css::uno::Reference<css::beans::XPropertySet> & rPropertySet); +}; + +} + +XMLImageMapObjectContext::XMLImageMapObjectContext( + SvXMLImport& rImport, + Reference<XIndexContainer> const & xMap, + const char* pServiceName) : + SvXMLImportContext(rImport), + xImageMap(xMap), + bIsActive(true), + bValid(false) +{ + DBG_ASSERT(nullptr != pServiceName, + "Please supply the image map object service name"); + + Reference<XMultiServiceFactory> xFactory(GetImport().GetModel(),UNO_QUERY); + if( !xFactory.is() ) + return; + + Reference<XInterface> xIfc = xFactory->createInstance( + OUString::createFromAscii(pServiceName)); + DBG_ASSERT(xIfc.is(), "can't create image map object!"); + if( xIfc.is() ) + { + Reference<XPropertySet> xPropertySet( xIfc, UNO_QUERY ); + + xMapEntry = xPropertySet; + } + // else: can't create service -> ignore + // else: can't even get factory -> ignore +} + +void XMLImageMapObjectContext::startFastElement( sal_Int32 /*nElement*/, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) +{ + for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) ) + ProcessAttribute(aIter); +} + +void XMLImageMapObjectContext::endFastElement(sal_Int32 ) +{ + // only create and insert image map object if validity flag is set + // (and we actually have an image map) + if ( bValid && xImageMap.is() && xMapEntry.is() ) + { + // set values + Prepare( xMapEntry ); + + // insert into image map + xImageMap->insertByIndex( xImageMap->getCount(), Any(xMapEntry) ); + } + // else: not valid -> don't create and insert +} + +css::uno::Reference< css::xml::sax::XFastContextHandler > XMLImageMapObjectContext::createFastChildContext( + sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& ) +{ + switch (nElement) + { + case XML_ELEMENT(OFFICE, XML_EVENT_LISTENERS): + { + Reference<XEventsSupplier> xEvents( xMapEntry, UNO_QUERY ); + return new XMLEventsImportContext( + GetImport(), xEvents); + } + case XML_ELEMENT(SVG, XML_TITLE): + case XML_ELEMENT(SVG_COMPAT, XML_TITLE): + return new XMLStringBufferImportContext( + GetImport(), sTitleBuffer); + case XML_ELEMENT(SVG, XML_DESC): + case XML_ELEMENT(SVG_COMPAT, XML_DESC): + return new XMLStringBufferImportContext( + GetImport(), sDescriptionBuffer); + } + XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement); + return nullptr; +} + +void XMLImageMapObjectContext::ProcessAttribute( + const sax_fastparser::FastAttributeList::FastAttributeIter & aIter) +{ + switch (aIter.getToken()) + { + case XML_ELEMENT(XLINK, XML_HREF): + sUrl = GetImport().GetAbsoluteReference(aIter.toString()); + break; + + case XML_ELEMENT(OFFICE, XML_TARGET_FRAME_NAME): + sTargt = aIter.toString(); + break; + + case XML_ELEMENT(DRAW, XML_NOHREF): + bIsActive = ! IsXMLToken(aIter, XML_NOHREF); + break; + + case XML_ELEMENT(OFFICE, XML_NAME): + sNam = aIter.toString(); + break; + default: + // do nothing + XMLOFF_WARN_UNKNOWN("xmloff", aIter); + break; + } +} + +void XMLImageMapObjectContext::Prepare( + Reference<XPropertySet> & rPropertySet) +{ + rPropertySet->setPropertyValue( "URL", Any( sUrl ) ); + rPropertySet->setPropertyValue( "Title", Any( sTitleBuffer.makeStringAndClear() ) ); + rPropertySet->setPropertyValue( "Description", Any( sDescriptionBuffer.makeStringAndClear() ) ); + rPropertySet->setPropertyValue( "Target", Any( sTargt ) ); + rPropertySet->setPropertyValue( "IsActive", Any( bIsActive ) ); + rPropertySet->setPropertyValue( "Name", Any( sNam ) ); +} + +namespace { + +class XMLImageMapRectangleContext : public XMLImageMapObjectContext +{ + awt::Rectangle aRectangle; + + bool bXOK; + bool bYOK; + bool bWidthOK; + bool bHeightOK; + +public: + + XMLImageMapRectangleContext( + SvXMLImport& rImport, + css::uno::Reference<css::container::XIndexContainer> const & xMap); + +protected: + virtual void ProcessAttribute( + const sax_fastparser::FastAttributeList::FastAttributeIter &) override; + + virtual void Prepare( + css::uno::Reference<css::beans::XPropertySet> & rPropertySet) override; +}; + +} + +XMLImageMapRectangleContext::XMLImageMapRectangleContext( + SvXMLImport& rImport, + Reference<XIndexContainer> const & xMap) : + XMLImageMapObjectContext(rImport, xMap, + "com.sun.star.image.ImageMapRectangleObject"), + bXOK(false), + bYOK(false), + bWidthOK(false), + bHeightOK(false) +{ +} + +void XMLImageMapRectangleContext::ProcessAttribute( + const sax_fastparser::FastAttributeList::FastAttributeIter & aIter) +{ + sal_Int32 nTmp; + switch (aIter.getToken()) + { + case XML_ELEMENT(SVG, XML_X): + case XML_ELEMENT(SVG_COMPAT, XML_X): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + aRectangle.X = nTmp; + bXOK = true; + } + break; + case XML_ELEMENT(SVG, XML_Y): + case XML_ELEMENT(SVG_COMPAT, XML_Y): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + aRectangle.Y = nTmp; + bYOK = true; + } + break; + case XML_ELEMENT(SVG, XML_WIDTH): + case XML_ELEMENT(SVG_COMPAT, XML_WIDTH): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + aRectangle.Width = nTmp; + bWidthOK = true; + } + break; + case XML_ELEMENT(SVG, XML_HEIGHT): + case XML_ELEMENT(SVG_COMPAT, XML_HEIGHT): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + aRectangle.Height = nTmp; + bHeightOK = true; + } + break; + default: + XMLImageMapObjectContext::ProcessAttribute(aIter); + } + + bValid = bHeightOK && bXOK && bYOK && bWidthOK; +} + +void XMLImageMapRectangleContext::Prepare( + Reference<XPropertySet> & rPropertySet) +{ + rPropertySet->setPropertyValue( "Boundary", uno::Any(aRectangle) ); + + // common properties handled by super class + XMLImageMapObjectContext::Prepare(rPropertySet); +} + +namespace { + +class XMLImageMapPolygonContext : public XMLImageMapObjectContext +{ + OUString sViewBoxString; + OUString sPointsString; + + bool bViewBoxOK; + bool bPointsOK; + +public: + + XMLImageMapPolygonContext( + SvXMLImport& rImport, + css::uno::Reference<css::container::XIndexContainer> const & xMap); + +protected: + virtual void ProcessAttribute(const sax_fastparser::FastAttributeList::FastAttributeIter &) override; + + virtual void Prepare( + css::uno::Reference<css::beans::XPropertySet> & rPropertySet) override; +}; + +} + +XMLImageMapPolygonContext::XMLImageMapPolygonContext( + SvXMLImport& rImport, + Reference<XIndexContainer> const & xMap) : + XMLImageMapObjectContext(rImport, xMap, + "com.sun.star.image.ImageMapPolygonObject"), + bViewBoxOK(false), + bPointsOK(false) +{ +} + +void XMLImageMapPolygonContext::ProcessAttribute( + const sax_fastparser::FastAttributeList::FastAttributeIter & aIter) +{ + switch (aIter.getToken()) + { + case XML_ELEMENT(DRAW, XML_POINTS): + sPointsString = aIter.toString(); + bPointsOK = true; + break; + case XML_ELEMENT(SVG, XML_VIEWBOX): + case XML_ELEMENT(SVG_COMPAT, XML_VIEWBOX): + sViewBoxString = aIter.toString(); + bViewBoxOK = true; + break; + default: + XMLImageMapObjectContext::ProcessAttribute(aIter); + break; + } + + bValid = bViewBoxOK && bPointsOK; +} + +void XMLImageMapPolygonContext::Prepare(Reference<XPropertySet> & rPropertySet) +{ + // process view box + SdXMLImExViewBox aViewBox(sViewBoxString, GetImport().GetMM100UnitConverter()); + + // get polygon sequence + basegfx::B2DPolygon aPolygon; + + if(basegfx::utils::importFromSvgPoints(aPolygon, sPointsString)) + { + if(aPolygon.count()) + { + css::drawing::PointSequence aPointSequence; + basegfx::utils::B2DPolygonToUnoPointSequence(aPolygon, aPointSequence); + rPropertySet->setPropertyValue("Polygon", Any(aPointSequence)); + } + } + + // parent properties + XMLImageMapObjectContext::Prepare(rPropertySet); +} + +namespace { + +class XMLImageMapCircleContext : public XMLImageMapObjectContext +{ + awt::Point aCenter; + sal_Int32 nRadius; + + bool bXOK; + bool bYOK; + bool bRadiusOK; + +public: + + XMLImageMapCircleContext( + SvXMLImport& rImport, + css::uno::Reference<css::container::XIndexContainer> const & xMap); + +protected: + virtual void ProcessAttribute( + const sax_fastparser::FastAttributeList::FastAttributeIter &) override; + + virtual void Prepare( + css::uno::Reference<css::beans::XPropertySet> & rPropertySet) override; +}; + +} + +XMLImageMapCircleContext::XMLImageMapCircleContext( + SvXMLImport& rImport, + Reference<XIndexContainer> const & xMap) + : XMLImageMapObjectContext(rImport, xMap, + "com.sun.star.image.ImageMapCircleObject") + , nRadius(0) + , bXOK(false) + , bYOK(false) + , bRadiusOK(false) +{ +} + +void XMLImageMapCircleContext::ProcessAttribute( + const sax_fastparser::FastAttributeList::FastAttributeIter & aIter) +{ + sal_Int32 nTmp; + switch (aIter.getToken()) + { + case XML_ELEMENT(SVG, XML_CX): + case XML_ELEMENT(SVG_COMPAT, XML_CX): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + aCenter.X = nTmp; + bXOK = true; + } + break; + case XML_ELEMENT(SVG, XML_CY): + case XML_ELEMENT(SVG_COMPAT, XML_CY): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + aCenter.Y = nTmp; + bYOK = true; + } + break; + case XML_ELEMENT(SVG, XML_R): + case XML_ELEMENT(SVG_COMPAT, XML_R): + if (GetImport().GetMM100UnitConverter().convertMeasureToCore(nTmp, + aIter.toView())) + { + nRadius = nTmp; + bRadiusOK = true; + } + break; + default: + XMLImageMapObjectContext::ProcessAttribute(aIter); + } + + bValid = bRadiusOK && bXOK && bYOK; +} + +void XMLImageMapCircleContext::Prepare( + Reference<XPropertySet> & rPropertySet) +{ + // center (x,y) + rPropertySet->setPropertyValue( "Center", uno::Any(aCenter) ); + // radius + rPropertySet->setPropertyValue( "Radius", uno::Any(nRadius) ); + + // common properties handled by super class + XMLImageMapObjectContext::Prepare(rPropertySet); +} + + +constexpr OUStringLiteral gsImageMap(u"ImageMap"); + +XMLImageMapContext::XMLImageMapContext( + SvXMLImport& rImport, + Reference<XPropertySet> const & rPropertySet) : + SvXMLImportContext(rImport), + xPropertySet(rPropertySet) +{ + try + { + Reference < XPropertySetInfo > xInfo = + xPropertySet->getPropertySetInfo(); + if( xInfo.is() && xInfo->hasPropertyByName( gsImageMap ) ) + xPropertySet->getPropertyValue(gsImageMap) >>= xImageMap; + } + catch(const css::uno::Exception& e) + { + rImport.SetError( XMLERROR_FLAG_WARNING | XMLERROR_API, {}, e.Message, nullptr ); + } +} + +XMLImageMapContext::~XMLImageMapContext() +{ +} + +css::uno::Reference< css::xml::sax::XFastContextHandler > XMLImageMapContext::createFastChildContext( + sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& ) +{ + switch (nElement) + { + case XML_ELEMENT(DRAW, XML_AREA_RECTANGLE): + return new XMLImageMapRectangleContext( + GetImport(), xImageMap); + case XML_ELEMENT(DRAW, XML_AREA_POLYGON): + return new XMLImageMapPolygonContext( + GetImport(), xImageMap); + case XML_ELEMENT(DRAW, XML_AREA_CIRCLE): + return new XMLImageMapCircleContext( + GetImport(), xImageMap); + default: + XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement); + } + + return nullptr; +} + +void XMLImageMapContext::endFastElement(sal_Int32 ) +{ + Reference < XPropertySetInfo > xInfo = + xPropertySet->getPropertySetInfo(); + if( xInfo.is() && xInfo->hasPropertyByName( gsImageMap ) ) + xPropertySet->setPropertyValue(gsImageMap, uno::Any( xImageMap ) ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |