xmloff/source/style/MarkerStyle.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <memory>
  21 #include <xmloff/MarkerStyle.hxx>
  22 #include <xexptran.hxx>
  23 #include <xmloff/namespacemap.hxx>
  24 #include <xmloff/xmluconv.hxx>
  25 #include <xmloff/xmlnamespace.hxx>
  26 #include <xmloff/xmltoken.hxx>
  27 #include <xmloff/xmlexp.hxx>
  28 #include <xmloff/xmlimp.hxx>
  29 #include <sal/log.hxx>
  30 #include <rtl/ustring.hxx>
  31 #include <com/sun/star/drawing/PolyPolygonBezierCoords.hpp>
  32 #include <basegfx/polygon/b2dpolypolygon.hxx>
  33 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  34 #include <basegfx/matrix/b2dhommatrixtools.hxx>
  35
  36 using namespace ::com::sun::star;
  37
  38 using namespace ::xmloff::token;
  39
  40 // Import
  41
  42 XMLMarkerStyleImport::XMLMarkerStyleImport( SvXMLImport& rImp )
  43     : m_rImport( rImp )
  44 {
  45 }
  46
  47 void XMLMarkerStyleImport::importXML(
  48     const uno::Reference< xml::sax::XFastAttributeList >& xAttrList,
  49     uno::Any& rValue,
  50     OUString& rStrName )
  51 {
  52     bool bHasViewBox    = false;
  53     bool bHasPathData   = false;
  54     OUString aDisplayName;
  55
  56     std::unique_ptr<SdXMLImExViewBox> xViewBox;
  57
  58     SvXMLUnitConverter& rUnitConverter = m_rImport.GetMM100UnitConverter();
  59
  60     OUString strPathData;
  61
  62     for (auto &aIter : sax_fastparser::castToFastAttributeList( xAttrList ))
  63     {
  64         OUString aStrValue = aIter.toString();
  65
  66         switch (aIter.getToken() & TOKEN_MASK)
  67         {
  68             case XML_NAME:
  69                 rStrName = aStrValue;
  70                 break;
  71             case XML_DISPLAY_NAME:
  72                 aDisplayName = aStrValue;
  73                 break;
  74             case XML_VIEWBOX:
  75                 xViewBox.reset(new SdXMLImExViewBox(aStrValue, rUnitConverter));
  76                 bHasViewBox = true;
  77                 break;
  78             case XML_D:
  79                 strPathData = aStrValue;
  80                 bHasPathData = true;
  81                 break;
  82             default:
  83                 XMLOFF_WARN_UNKNOWN("xmloff.style", aIter);
  84         }
  85     }
  86
  87     if( bHasViewBox && bHasPathData )
  88     {
  89         basegfx::B2DPolyPolygon aPolyPolygon;
  90
  91         if(basegfx::utils::importFromSvgD(aPolyPolygon, strPathData, m_rImport.needFixPositionAfterZ(), nullptr))
  92         {
  93             if(aPolyPolygon.count())
  94             {
  95                 // ViewBox probably not used, but stay with former processing inside of
  96                 // SdXMLImExSvgDElement
  97                 const basegfx::B2DRange aSourceRange(
  98                     xViewBox->GetX(), xViewBox->GetY(),
  99                     xViewBox->GetX() + xViewBox->GetWidth(),
 100                     xViewBox->GetY() + xViewBox->GetHeight());
 101                 const basegfx::B2DRange aTargetRange(
 102                     0.0, 0.0,
 103                     xViewBox->GetWidth(), xViewBox->GetHeight());
 104
 105                 if(!aSourceRange.equal(aTargetRange))
 106                 {
 107                     aPolyPolygon.transform(
 108                         basegfx::utils::createSourceRangeTargetRangeTransform(
 109                             aSourceRange,
 110                             aTargetRange));
 111                 }
 112
 113                 // always use PolyPolygonBezierCoords here
 114                 drawing::PolyPolygonBezierCoords aSourcePolyPolygon;
 115
 116                 basegfx::utils::B2DPolyPolygonToUnoPolyPolygonBezierCoords(
 117                     aPolyPolygon,
 118                     aSourcePolyPolygon);
 119                 rValue <<= aSourcePolyPolygon;
 120             }
 121         }
 122
 123         if( !aDisplayName.isEmpty() )
 124         {
 125             m_rImport.AddStyleDisplayName( XmlStyleFamily::SD_MARKER_ID, rStrName,
 126                                         aDisplayName );
 127             rStrName = aDisplayName;
 128         }
 129     }
 130
 131     xViewBox.reset();
 132 }
 133
 134 // Export
 135
 136 XMLMarkerStyleExport::XMLMarkerStyleExport( SvXMLExport& rExp )
 137     : m_rExport( rExp )
 138 {
 139 }
 140
 141 void XMLMarkerStyleExport::exportXML(
 142     const OUString& rStrName,
 143     const uno::Any& rValue )
 144 {
 145     if(rStrName.isEmpty())
 146         return;
 147
 148     drawing::PolyPolygonBezierCoords aBezier;
 149
 150     if(!(rValue >>= aBezier))
 151         return;
 152
 153     // Name
 154     bool bEncoded(false);
 155
 156     m_rExport.AddAttribute(XML_NAMESPACE_DRAW, XML_NAME, m_rExport.EncodeStyleName( rStrName, &bEncoded ) );
 157
 158     if( bEncoded )
 159     {
 160         m_rExport.AddAttribute( XML_NAMESPACE_DRAW, XML_DISPLAY_NAME, rStrName );
 161     }
 162
 163     const basegfx::B2DPolyPolygon aPolyPolygon(
 164         basegfx::utils::UnoPolyPolygonBezierCoordsToB2DPolyPolygon(
 165             aBezier));
 166     const basegfx::B2DRange aPolyPolygonRange(aPolyPolygon.getB2DRange());
 167
 168
 169     // Viewbox (viewBox="0 0 1500 1000")
 170
 171     SdXMLImExViewBox aViewBox(
 172         aPolyPolygonRange.getMinX(),
 173         aPolyPolygonRange.getMinY(),
 174         aPolyPolygonRange.getWidth(),
 175         aPolyPolygonRange.getHeight());
 176     m_rExport.AddAttribute( XML_NAMESPACE_SVG, XML_VIEWBOX, aViewBox.GetExportString() );
 177
 178     // Pathdata
 179     const OUString aPolygonString(
 180         basegfx::utils::exportToSvgD(
 181             aPolyPolygon,
 182             true,           // bUseRelativeCoordinates
 183             false,          // bDetectQuadraticBeziers: not used in old, but maybe activated now
 184             true));         // bHandleRelativeNextPointCompatible
 185
 186     // write point array
 187     m_rExport.AddAttribute(XML_NAMESPACE_SVG, XML_D, aPolygonString);
 188
 189     // Do Write
 190     SvXMLElementExport rElem( m_rExport, XML_NAMESPACE_DRAW, XML_MARKER, true, false );
 191 }
 192
 193 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */