408 lines
14 KiB
C++
408 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/io/XOutputStream.hpp>
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#include <tools/debug.hxx>
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#include <sax/tools/converter.hxx>
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#include <xmloff/xmltkmap.hxx>
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#include <xmloff/xmluconv.hxx>
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#include <xmloff/xmlnmspe.hxx>
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#include <xmloff/xmltoken.hxx>
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#include <xmloff/xmlimp.hxx>
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#include <xmloff/nmspmap.hxx>
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#include <xmloff/XMLBase64ImportContext.hxx>
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#include "XMLBackgroundImageContext.hxx"
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::style;
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using namespace ::com::sun::star::io;
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using namespace ::xmloff::token;
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enum SvXMLTokenMapAttrs
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{
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XML_TOK_BGIMG_HREF,
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XML_TOK_BGIMG_TYPE,
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XML_TOK_BGIMG_ACTUATE,
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XML_TOK_BGIMG_SHOW,
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XML_TOK_BGIMG_POSITION,
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XML_TOK_BGIMG_REPEAT,
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XML_TOK_BGIMG_FILTER,
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XML_TOK_BGIMG_OPACITY,
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XML_TOK_NGIMG_END=XML_TOK_UNKNOWN
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};
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static const SvXMLTokenMapEntry* lcl_getBGImgAttributesAttrTokenMap()
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{
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static const SvXMLTokenMapEntry aBGImgAttributesAttrTokenMap[] =
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{
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{ XML_NAMESPACE_XLINK, XML_HREF, XML_TOK_BGIMG_HREF },
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{ XML_NAMESPACE_XLINK, XML_TYPE, XML_TOK_BGIMG_TYPE },
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{ XML_NAMESPACE_XLINK, XML_ACTUATE, XML_TOK_BGIMG_ACTUATE },
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{ XML_NAMESPACE_XLINK, XML_SHOW, XML_TOK_BGIMG_SHOW },
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{ XML_NAMESPACE_STYLE, XML_POSITION, XML_TOK_BGIMG_POSITION },
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{ XML_NAMESPACE_STYLE, XML_REPEAT, XML_TOK_BGIMG_REPEAT },
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{ XML_NAMESPACE_STYLE, XML_FILTER_NAME, XML_TOK_BGIMG_FILTER },
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{ XML_NAMESPACE_DRAW, XML_OPACITY, XML_TOK_BGIMG_OPACITY },
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XML_TOKEN_MAP_END
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};
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return aBGImgAttributesAttrTokenMap;
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}
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static const SvXMLEnumMapEntry psXML_BrushHoriPos[] =
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{
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{ XML_LEFT, GraphicLocation_LEFT_MIDDLE },
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{ XML_RIGHT, GraphicLocation_RIGHT_MIDDLE },
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{ XML_TOKEN_INVALID, 0 }
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};
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static const SvXMLEnumMapEntry psXML_BrushVertPos[] =
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{
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{ XML_TOP, GraphicLocation_MIDDLE_TOP },
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{ XML_BOTTOM, GraphicLocation_MIDDLE_BOTTOM },
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{ XML_TOKEN_INVALID, 0 }
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};
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static void lcl_xmlbic_MergeHoriPos( GraphicLocation& ePos,
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GraphicLocation eHori )
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{
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DBG_ASSERT( GraphicLocation_LEFT_MIDDLE==eHori ||
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GraphicLocation_MIDDLE_MIDDLE==eHori ||
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GraphicLocation_RIGHT_MIDDLE==eHori,
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"lcl_xmlbic_MergeHoriPos: vertical pos must be middle" );
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switch( ePos )
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{
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case GraphicLocation_LEFT_TOP:
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case GraphicLocation_MIDDLE_TOP:
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case GraphicLocation_RIGHT_TOP:
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ePos = GraphicLocation_LEFT_MIDDLE==eHori
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? GraphicLocation_LEFT_TOP
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: (GraphicLocation_MIDDLE_MIDDLE==eHori
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? GraphicLocation_MIDDLE_TOP
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: GraphicLocation_RIGHT_TOP);
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break;
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case GraphicLocation_LEFT_MIDDLE:
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case GraphicLocation_MIDDLE_MIDDLE:
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case GraphicLocation_RIGHT_MIDDLE:
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ePos = eHori;
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break;
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case GraphicLocation_LEFT_BOTTOM:
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case GraphicLocation_MIDDLE_BOTTOM:
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case GraphicLocation_RIGHT_BOTTOM:
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ePos = GraphicLocation_LEFT_MIDDLE==eHori
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? GraphicLocation_LEFT_BOTTOM
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: (GraphicLocation_MIDDLE_MIDDLE==eHori
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? GraphicLocation_MIDDLE_BOTTOM
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: GraphicLocation_RIGHT_BOTTOM);
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break;
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default:
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break;
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}
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}
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static void lcl_xmlbic_MergeVertPos( GraphicLocation& ePos,
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GraphicLocation eVert )
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{
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DBG_ASSERT( GraphicLocation_MIDDLE_TOP==eVert ||
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GraphicLocation_MIDDLE_MIDDLE==eVert ||
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GraphicLocation_MIDDLE_BOTTOM==eVert,
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"lcl_xmlbic_MergeVertPos: horizontal pos must be middle" );
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switch( ePos )
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{
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case GraphicLocation_LEFT_TOP:
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case GraphicLocation_LEFT_MIDDLE:
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case GraphicLocation_LEFT_BOTTOM:
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ePos = GraphicLocation_MIDDLE_TOP==eVert
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? GraphicLocation_LEFT_TOP
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: (GraphicLocation_MIDDLE_MIDDLE==eVert
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? GraphicLocation_LEFT_MIDDLE
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: GraphicLocation_LEFT_BOTTOM);
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break;
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case GraphicLocation_MIDDLE_TOP:
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case GraphicLocation_MIDDLE_MIDDLE:
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case GraphicLocation_MIDDLE_BOTTOM:
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ePos = eVert;
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break;
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case GraphicLocation_RIGHT_TOP:
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case GraphicLocation_RIGHT_MIDDLE:
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case GraphicLocation_RIGHT_BOTTOM:
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ePos = GraphicLocation_MIDDLE_TOP==eVert
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? GraphicLocation_RIGHT_TOP
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: (GraphicLocation_MIDDLE_MIDDLE==eVert
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? GraphicLocation_RIGHT_MIDDLE
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: GraphicLocation_RIGHT_BOTTOM);
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break;
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default:
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break;
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}
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}
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TYPEINIT1( XMLBackgroundImageContext, XMLElementPropertyContext );
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void XMLBackgroundImageContext::ProcessAttrs(
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const Reference< xml::sax::XAttributeList >& xAttrList )
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{
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SvXMLTokenMap aTokenMap( lcl_getBGImgAttributesAttrTokenMap() );
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ePos = GraphicLocation_NONE;
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sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
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for( sal_Int16 i=0; i < nAttrCount; i++ )
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{
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const OUString& rAttrName = xAttrList->getNameByIndex( i );
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OUString aLocalName;
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sal_uInt16 nPrefix =
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GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
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&aLocalName );
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const OUString& rValue = xAttrList->getValueByIndex( i );
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switch( aTokenMap.Get( nPrefix, aLocalName ) )
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{
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case XML_TOK_BGIMG_HREF:
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sURL = rValue;
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if( GraphicLocation_NONE == ePos )
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ePos = GraphicLocation_TILED;
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break;
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case XML_TOK_BGIMG_TYPE:
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case XML_TOK_BGIMG_ACTUATE:
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case XML_TOK_BGIMG_SHOW:
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break;
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case XML_TOK_BGIMG_POSITION:
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{
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GraphicLocation eNewPos = GraphicLocation_NONE, eTmp;
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sal_uInt16 nTmp;
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SvXMLTokenEnumerator aTokenEnum( rValue );
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OUString aToken;
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bool bHori = false, bVert = false;
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bool bOK = true;
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while( bOK && aTokenEnum.getNextToken( aToken ) )
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{
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if( bHori && bVert )
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{
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bOK = false;
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}
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else if( -1 != aToken.indexOf( '%' ) )
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{
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sal_Int32 nPrc = 50;
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if (::sax::Converter::convertPercent( nPrc, aToken ))
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{
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if( !bHori )
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{
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eNewPos = nPrc < 25
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? GraphicLocation_LEFT_TOP
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: (nPrc < 75 ? GraphicLocation_MIDDLE_MIDDLE
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: GraphicLocation_RIGHT_BOTTOM);
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bHori = true;
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}
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else
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{
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eTmp = nPrc < 25
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? GraphicLocation_LEFT_TOP
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: (nPrc < 75 ? GraphicLocation_LEFT_MIDDLE
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: GraphicLocation_LEFT_BOTTOM);
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lcl_xmlbic_MergeVertPos( eNewPos, eTmp );
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bVert = true;
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}
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}
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else
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{
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// wrong percentage
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bOK = false;
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}
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}
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else if( IsXMLToken( aToken, XML_CENTER ) )
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{
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if( bHori )
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lcl_xmlbic_MergeVertPos( eNewPos,
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GraphicLocation_MIDDLE_MIDDLE );
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else if ( bVert )
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lcl_xmlbic_MergeHoriPos( eNewPos,
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GraphicLocation_MIDDLE_MIDDLE );
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else
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eNewPos = GraphicLocation_MIDDLE_MIDDLE;
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}
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else if( SvXMLUnitConverter::convertEnum( nTmp, aToken,
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psXML_BrushHoriPos ) )
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{
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if( bVert )
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lcl_xmlbic_MergeHoriPos( eNewPos,
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(GraphicLocation)nTmp );
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else if( !bHori )
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eNewPos = (GraphicLocation)nTmp;
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else
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bOK = false;
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bHori = true;
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}
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else if( SvXMLUnitConverter::convertEnum( nTmp, aToken,
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psXML_BrushVertPos ) )
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{
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if( bHori )
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lcl_xmlbic_MergeVertPos( eNewPos,
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(GraphicLocation)nTmp );
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else if( !bVert )
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eNewPos = (GraphicLocation)nTmp;
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else
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bOK = false;
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bVert = true;
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}
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else
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{
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bOK = false;
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}
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}
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bOK &= GraphicLocation_NONE != eNewPos;
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if( bOK )
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ePos = eNewPos;
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}
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break;
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case XML_TOK_BGIMG_REPEAT:
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{
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sal_uInt16 nPos = GraphicLocation_NONE;
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static const SvXMLEnumMapEntry psXML_BrushRepeat[] =
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{
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{ XML_BACKGROUND_REPEAT, GraphicLocation_TILED },
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{ XML_BACKGROUND_NO_REPEAT, GraphicLocation_MIDDLE_MIDDLE },
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{ XML_BACKGROUND_STRETCH, GraphicLocation_AREA },
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{ XML_TOKEN_INVALID, 0 }
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};
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if( SvXMLUnitConverter::convertEnum( nPos, rValue,
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psXML_BrushRepeat ) )
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{
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if( GraphicLocation_MIDDLE_MIDDLE != nPos ||
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GraphicLocation_NONE == ePos ||
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GraphicLocation_AREA == ePos ||
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GraphicLocation_TILED == ePos )
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ePos = (GraphicLocation)nPos;
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}
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}
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break;
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case XML_TOK_BGIMG_FILTER:
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sFilter = rValue;
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break;
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case XML_TOK_BGIMG_OPACITY:
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{
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sal_Int32 nTmp;
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// convert from percent and clip
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if (::sax::Converter::convertPercent( nTmp, rValue ))
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{
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if( (nTmp >= 0) && (nTmp <= 100) )
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nTransparency = static_cast<sal_Int8>( 100-nTmp );
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}
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}
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break;
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}
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}
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}
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XMLBackgroundImageContext::XMLBackgroundImageContext(
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SvXMLImport& rImport, sal_uInt16 nPrfx,
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const OUString& rLName,
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const Reference< xml::sax::XAttributeList > & xAttrList,
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const XMLPropertyState& rProp,
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sal_Int32 nPosIdx,
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sal_Int32 nFilterIdx,
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sal_Int32 nTransparencyIdx,
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::std::vector< XMLPropertyState > &rProps ) :
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XMLElementPropertyContext( rImport, nPrfx, rLName, rProp, rProps ),
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aPosProp( nPosIdx ),
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aFilterProp( nFilterIdx ),
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aTransparencyProp( nTransparencyIdx ),
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nTransparency( 0 )
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{
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ProcessAttrs( xAttrList );
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}
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XMLBackgroundImageContext::~XMLBackgroundImageContext()
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{
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}
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SvXMLImportContext *XMLBackgroundImageContext::CreateChildContext(
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sal_uInt16 nPrefix, const OUString& rLocalName,
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const Reference< xml::sax::XAttributeList > & xAttrList )
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{
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SvXMLImportContext *pContext = NULL;
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if( (XML_NAMESPACE_OFFICE == nPrefix) &&
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xmloff::token::IsXMLToken( rLocalName,
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xmloff::token::XML_BINARY_DATA ) )
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{
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if( sURL.isEmpty() && !xBase64Stream.is() )
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{
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xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
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if( xBase64Stream.is() )
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pContext = new XMLBase64ImportContext( GetImport(), nPrefix,
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rLocalName, xAttrList,
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xBase64Stream );
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}
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}
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if( !pContext )
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{
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pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
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}
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return pContext;
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}
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void XMLBackgroundImageContext::EndElement()
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{
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if( !sURL.isEmpty() )
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{
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sURL = GetImport().ResolveGraphicObjectURL( sURL, false );
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}
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else if( xBase64Stream.is() )
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{
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sURL = GetImport().ResolveGraphicObjectURLFromBase64( xBase64Stream );
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xBase64Stream = 0;
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}
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if( sURL.isEmpty() )
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ePos = GraphicLocation_NONE;
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else if( GraphicLocation_NONE == ePos )
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ePos = GraphicLocation_TILED;
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aProp.maValue <<= sURL;
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aPosProp.maValue <<= ePos;
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aFilterProp.maValue <<= sFilter;
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aTransparencyProp.maValue <<= nTransparency;
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SetInsert( true );
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XMLElementPropertyContext::EndElement();
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if( -1 != aPosProp.mnIndex )
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rProperties.push_back( aPosProp );
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if( -1 != aFilterProp.mnIndex )
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rProperties.push_back( aFilterProp );
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if( -1 != aTransparencyProp.mnIndex )
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rProperties.push_back( aTransparencyProp );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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