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Diffstat (limited to '')
| -rw-r--r-- | xmloff/source/style/XMLBackgroundImageContext.cxx | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/xmloff/source/style/XMLBackgroundImageContext.cxx b/xmloff/source/style/XMLBackgroundImageContext.cxx new file mode 100644 index 000000000..cd500672c --- /dev/null +++ b/xmloff/source/style/XMLBackgroundImageContext.cxx @@ -0,0 +1,397 @@ +/* -*- 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 <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/drawing/BitmapMode.hpp> +#include <com/sun/star/graphic/XGraphic.hpp> + +#include <tools/debug.hxx> +#include <sal/log.hxx> +#include <sax/tools/converter.hxx> + +#include <xmloff/xmltkmap.hxx> +#include <xmloff/xmluconv.hxx> +#include <xmloff/xmlnamespace.hxx> +#include <xmloff/xmltoken.hxx> +#include <xmloff/xmlimp.hxx> +#include <xmloff/namespacemap.hxx> +#include <xmloff/xmlement.hxx> +#include <xmloff/XMLBase64ImportContext.hxx> +#include <XMLBackgroundImageContext.hxx> + + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::style; +using namespace ::com::sun::star::io; +using namespace ::xmloff::token; + +const SvXMLEnumMapEntry<GraphicLocation> psXML_BrushHoriPos[] = +{ + { XML_LEFT, GraphicLocation_LEFT_MIDDLE }, + { XML_RIGHT, GraphicLocation_RIGHT_MIDDLE }, + { XML_TOKEN_INVALID, GraphicLocation(0) } +}; + +const SvXMLEnumMapEntry<GraphicLocation> psXML_BrushVertPos[] = +{ + { XML_TOP, GraphicLocation_MIDDLE_TOP }, + { XML_BOTTOM, GraphicLocation_MIDDLE_BOTTOM }, + { XML_TOKEN_INVALID, GraphicLocation(0) } +}; + +static void lcl_xmlbic_MergeHoriPos( GraphicLocation& ePos, + GraphicLocation eHori ) +{ + DBG_ASSERT( GraphicLocation_LEFT_MIDDLE==eHori || + GraphicLocation_MIDDLE_MIDDLE==eHori || + GraphicLocation_RIGHT_MIDDLE==eHori, + "lcl_xmlbic_MergeHoriPos: vertical pos must be middle" ); + + switch( ePos ) + { + case GraphicLocation_LEFT_TOP: + case GraphicLocation_MIDDLE_TOP: + case GraphicLocation_RIGHT_TOP: + ePos = GraphicLocation_LEFT_MIDDLE==eHori + ? GraphicLocation_LEFT_TOP + : (GraphicLocation_MIDDLE_MIDDLE==eHori + ? GraphicLocation_MIDDLE_TOP + : GraphicLocation_RIGHT_TOP); + break; + + case GraphicLocation_LEFT_MIDDLE: + case GraphicLocation_MIDDLE_MIDDLE: + case GraphicLocation_RIGHT_MIDDLE: + ePos = eHori; + break; + + case GraphicLocation_LEFT_BOTTOM: + case GraphicLocation_MIDDLE_BOTTOM: + case GraphicLocation_RIGHT_BOTTOM: + ePos = GraphicLocation_LEFT_MIDDLE==eHori + ? GraphicLocation_LEFT_BOTTOM + : (GraphicLocation_MIDDLE_MIDDLE==eHori + ? GraphicLocation_MIDDLE_BOTTOM + : GraphicLocation_RIGHT_BOTTOM); + break; + default: + break; + } +} + +static void lcl_xmlbic_MergeVertPos( GraphicLocation& ePos, + GraphicLocation eVert ) +{ + DBG_ASSERT( GraphicLocation_MIDDLE_TOP==eVert || + GraphicLocation_MIDDLE_MIDDLE==eVert || + GraphicLocation_MIDDLE_BOTTOM==eVert, + "lcl_xmlbic_MergeVertPos: horizontal pos must be middle" ); + + switch( ePos ) + { + case GraphicLocation_LEFT_TOP: + case GraphicLocation_LEFT_MIDDLE: + case GraphicLocation_LEFT_BOTTOM: + ePos = GraphicLocation_MIDDLE_TOP==eVert + ? GraphicLocation_LEFT_TOP + : (GraphicLocation_MIDDLE_MIDDLE==eVert + ? GraphicLocation_LEFT_MIDDLE + : GraphicLocation_LEFT_BOTTOM); + break; + + case GraphicLocation_MIDDLE_TOP: + case GraphicLocation_MIDDLE_MIDDLE: + case GraphicLocation_MIDDLE_BOTTOM: + ePos = eVert; + break; + + case GraphicLocation_RIGHT_TOP: + case GraphicLocation_RIGHT_MIDDLE: + case GraphicLocation_RIGHT_BOTTOM: + ePos = GraphicLocation_MIDDLE_TOP==eVert + ? GraphicLocation_RIGHT_TOP + : (GraphicLocation_MIDDLE_MIDDLE==eVert + ? GraphicLocation_RIGHT_MIDDLE + : GraphicLocation_RIGHT_BOTTOM); + break; + default: + break; + } +} + + +void XMLBackgroundImageContext::ProcessAttrs( + const Reference< xml::sax::XFastAttributeList >& xAttrList ) +{ + ePos = GraphicLocation_NONE; + + for (auto &aIter : sax_fastparser::castToFastAttributeList(xAttrList)) + { + switch( aIter.getToken() ) + { + case XML_ELEMENT(XLINK, XML_HREF): + m_sURL = aIter.toString(); + if( GraphicLocation_NONE == ePos ) + ePos = GraphicLocation_TILED; + break; + case XML_ELEMENT(XLINK, XML_TYPE): + case XML_ELEMENT(XLINK, XML_ACTUATE): + case XML_ELEMENT(XLINK, XML_SHOW): + break; + case XML_ELEMENT(STYLE, XML_POSITION): + { + GraphicLocation eNewPos = GraphicLocation_NONE, eTmp; + OUString sValue = aIter.toString(); + SvXMLTokenEnumerator aTokenEnum( sValue ); + std::u16string_view aToken; + bool bHori = false, bVert = false; + bool bOK = true; + while( bOK && aTokenEnum.getNextToken( aToken ) ) + { + GraphicLocation nTmpGraphicLocation; + if( bHori && bVert ) + { + bOK = false; + } + else if( std::u16string_view::npos != aToken.find( '%' ) ) + { + sal_Int32 nPrc = 50; + if (::sax::Converter::convertPercent( nPrc, aToken )) + { + if( !bHori ) + { + eNewPos = nPrc < 25 + ? GraphicLocation_LEFT_TOP + : (nPrc < 75 ? GraphicLocation_MIDDLE_MIDDLE + : GraphicLocation_RIGHT_BOTTOM); + bHori = true; + } + else + { + eTmp = nPrc < 25 + ? GraphicLocation_LEFT_TOP + : (nPrc < 75 ? GraphicLocation_LEFT_MIDDLE + : GraphicLocation_LEFT_BOTTOM); + lcl_xmlbic_MergeVertPos( eNewPos, eTmp ); + bVert = true; + } + } + else + { + // wrong percentage + bOK = false; + } + } + else if( IsXMLToken( aToken, XML_CENTER ) ) + { + if( bHori ) + lcl_xmlbic_MergeVertPos( eNewPos, + GraphicLocation_MIDDLE_MIDDLE ); + else if ( bVert ) + lcl_xmlbic_MergeHoriPos( eNewPos, + GraphicLocation_MIDDLE_MIDDLE ); + else + eNewPos = GraphicLocation_MIDDLE_MIDDLE; + } + else if( SvXMLUnitConverter::convertEnum( nTmpGraphicLocation, aToken, + psXML_BrushHoriPos ) ) + { + if( bVert ) + lcl_xmlbic_MergeHoriPos( eNewPos, nTmpGraphicLocation ); + else if( !bHori ) + eNewPos = nTmpGraphicLocation; + else + bOK = false; + bHori = true; + } + else if( SvXMLUnitConverter::convertEnum( nTmpGraphicLocation, aToken, + psXML_BrushVertPos ) ) + { + if( bHori ) + lcl_xmlbic_MergeVertPos( eNewPos, nTmpGraphicLocation ); + else if( !bVert ) + eNewPos = nTmpGraphicLocation; + else + bOK = false; + bVert = true; + } + else + { + bOK = false; + } + } + + bOK &= GraphicLocation_NONE != eNewPos; + if( bOK ) + ePos = eNewPos; + } + break; + case XML_ELEMENT(STYLE, XML_REPEAT): + { + GraphicLocation nPos = GraphicLocation_NONE; + static const SvXMLEnumMapEntry<GraphicLocation> psXML_BrushRepeat[] = + { + { XML_REPEAT, GraphicLocation_TILED }, + { XML_BACKGROUND_NO_REPEAT, GraphicLocation_MIDDLE_MIDDLE }, + { XML_STRETCH, GraphicLocation_AREA }, + { XML_TOKEN_INVALID, GraphicLocation(0) } + }; + if( SvXMLUnitConverter::convertEnum( nPos, aIter.toView(), + psXML_BrushRepeat ) ) + { + if( GraphicLocation_MIDDLE_MIDDLE != nPos || + GraphicLocation_NONE == ePos || + GraphicLocation_AREA == ePos || + GraphicLocation_TILED == ePos ) + ePos = nPos; + } + } + break; + case XML_ELEMENT(STYLE, XML_FILTER_NAME): + sFilter = aIter.toString(); + break; + case XML_ELEMENT(DRAW, XML_OPACITY): + { + sal_Int32 nTmp; + // convert from percent and clip + if (::sax::Converter::convertPercent( nTmp, aIter.toView() )) + { + if( (nTmp >= 0) && (nTmp <= 100) ) + nTransparency = static_cast<sal_Int8>( 100-nTmp ); + } + } + break; + default: + XMLOFF_WARN_UNKNOWN("xmloff", aIter); + } + } + +} + +XMLBackgroundImageContext::XMLBackgroundImageContext( + SvXMLImport& rImport, sal_Int32 nElement, + const Reference< xml::sax::XFastAttributeList > & xAttrList, + const XMLPropertyState& rProp, + sal_Int32 nPosIdx, + sal_Int32 nFilterIdx, + sal_Int32 nTransparencyIdx, + sal_Int32 nBitmapModeIdx, + ::std::vector< XMLPropertyState > &rProps ) : + XMLElementPropertyContext( rImport, nElement, rProp, rProps ), + aPosProp( nPosIdx ), + m_nBitmapModeIdx(nBitmapModeIdx), + aFilterProp( nFilterIdx ), + aTransparencyProp( nTransparencyIdx ), + nTransparency( 0 ) +{ + ProcessAttrs( xAttrList ); +} + +XMLBackgroundImageContext::~XMLBackgroundImageContext() +{ +} + +css::uno::Reference< css::xml::sax::XFastContextHandler > XMLBackgroundImageContext::createFastChildContext( + sal_Int32 nElement, + const css::uno::Reference< css::xml::sax::XFastAttributeList >& /*xAttrList*/ ) +{ + if( nElement == XML_ELEMENT(OFFICE, xmloff::token::XML_BINARY_DATA) ) + { + if( m_sURL.isEmpty() && !m_xBase64Stream.is() ) + { + m_xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64(); + if( m_xBase64Stream.is() ) + return new XMLBase64ImportContext( GetImport(), m_xBase64Stream ); + } + } + XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement); + return nullptr; +} + +void XMLBackgroundImageContext::endFastElement(sal_Int32 nElement) +{ + uno::Reference<graphic::XGraphic> xGraphic; + if (!m_sURL.isEmpty()) + { + xGraphic = GetImport().loadGraphicByURL(m_sURL); + } + else if (m_xBase64Stream.is()) + { + xGraphic = GetImport().loadGraphicFromBase64(m_xBase64Stream); + m_xBase64Stream = nullptr; + } + + if (!xGraphic.is()) + ePos = GraphicLocation_NONE; + else if (GraphicLocation_NONE == ePos) + ePos = GraphicLocation_TILED; + + if (xGraphic.is()) + aProp.maValue <<= xGraphic; + aPosProp.maValue <<= ePos; + aFilterProp.maValue <<= sFilter; + aTransparencyProp.maValue <<= nTransparency; + + SetInsert( true ); + XMLElementPropertyContext::endFastElement(nElement); + + if( -1 != aPosProp.mnIndex ) + { + // See if a FillBitmapMode property is already set, in that case + // BackGraphicLocation will be ignored. + bool bFound = false; + if (m_nBitmapModeIdx != -1) + { + for (XMLPropertyState& rProperty : rProperties) + { + if (rProperty.mnIndex == m_nBitmapModeIdx) + { + bFound = true; + + // Found, so map the old property to the new one. + switch (ePos) + { + case GraphicLocation_TILED: + rProperty.maValue <<= drawing::BitmapMode_REPEAT; + break; + case GraphicLocation_AREA: + rProperty.maValue <<= drawing::BitmapMode_STRETCH; + break; + case GraphicLocation_MIDDLE_MIDDLE: + rProperty.maValue <<= drawing::BitmapMode_NO_REPEAT; + break; + default: + break; + } + break; + } + } + } + if (!bFound) + rProperties.push_back( aPosProp ); + } + if( -1 != aFilterProp.mnIndex ) + rProperties.push_back( aFilterProp ); + if( -1 != aTransparencyProp.mnIndex ) + rProperties.push_back( aTransparencyProp ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |