oox/source/drawingml/chart/chartdrawingfragment.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.
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   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 "oox/drawingml/chart/chartdrawingfragment.hxx"
  21
  22 #include "oox/core/xmlfilterbase.hxx"
  23 #include "oox/drawingml/connectorshapecontext.hxx"
  24 #include "oox/drawingml/graphicshapecontext.hxx"
  25 #include "oox/drawingml/shapecontext.hxx"
  26 #include "oox/drawingml/shapegroupcontext.hxx"
  27
  28 namespace oox {
  29 namespace drawingml {
  30 namespace chart {
  31
  32 // ============================================================================
  33
  34 using namespace ::com::sun::star;
  35 using namespace ::com::sun::star::drawing;
  36 using namespace ::com::sun::star::uno;
  37 using namespace ::oox::core;
  38
  39 // ============================================================================
  40
  41 ShapeAnchor::ShapeAnchor( bool bRelSize ) :
  42     mbRelSize( bRelSize )
  43 {
  44 }
  45
  46 void ShapeAnchor::importExt( const AttributeList& rAttribs )
  47 {
  48     OSL_ENSURE( !mbRelSize, "ShapeAnchor::importExt - unexpected 'cdr:ext' element" );
  49     maSize.Width = rAttribs.getHyper( XML_cx, 0 );
  50     maSize.Height = rAttribs.getHyper( XML_cy, 0 );
  51 }
  52
  53 void ShapeAnchor::setPos( sal_Int32 nElement, sal_Int32 nParentContext, const OUString& rValue )
  54 {
  55     AnchorPosModel* pAnchorPos = 0;
  56     switch( nParentContext )
  57     {
  58         case CDR_TOKEN( from ):
  59             pAnchorPos = &maFrom;
  60         break;
  61         case CDR_TOKEN( to ):
  62             OSL_ENSURE( mbRelSize, "ShapeAnchor::setPos - unexpected 'cdr:to' element" );
  63             pAnchorPos = &maTo;
  64         break;
  65         default:
  66             OSL_FAIL( "ShapeAnchor::setPos - unexpected parent element" );
  67     }
  68     if( pAnchorPos ) switch( nElement )
  69     {
  70         case CDR_TOKEN( x ):    pAnchorPos->mfX = rValue.toDouble();    break;
  71         case CDR_TOKEN( y ):    pAnchorPos->mfY = rValue.toDouble();    break;
  72         default:    OSL_FAIL( "ShapeAnchor::setPos - unexpected element" );
  73     }
  74 }
  75
  76 EmuRectangle ShapeAnchor::calcAnchorRectEmu( const EmuRectangle& rChartRect ) const
  77 {
  78     EmuRectangle aAnchorRect( -1, -1, -1, -1 );
  79
  80     OSL_ENSURE( maFrom.isValid(), "ShapeAnchor::calcAnchorRectEmu - invalid from position" );
  81     OSL_ENSURE( mbRelSize ? maTo.isValid() : maSize.isValid(), "ShapeAnchor::calcAnchorRectEmu - invalid to/size" );
  82     if( maFrom.isValid() && (mbRelSize ? maTo.isValid() : maSize.isValid()) )
  83     {
  84         // calculate shape position
  85         aAnchorRect.X = static_cast< sal_Int64 >( maFrom.mfX * rChartRect.Width + 0.5 );
  86         aAnchorRect.Y = static_cast< sal_Int64 >( maFrom.mfY * rChartRect.Height + 0.5 );
  87
  88         // calculate shape size
  89         if( mbRelSize )
  90         {
  91             aAnchorRect.Width = static_cast< sal_Int64 >( maTo.mfX * rChartRect.Width + 0.5 ) - aAnchorRect.X;
  92             if( aAnchorRect.Width < 0 )
  93             {
  94                 aAnchorRect.X += aAnchorRect.Width;
  95                 aAnchorRect.Width *= -1;
  96             }
  97             aAnchorRect.Height = static_cast< sal_Int64 >( maTo.mfY * rChartRect.Height + 0.5 ) - aAnchorRect.Y;
  98             if( aAnchorRect.Height < 0 )
  99             {
 100                 aAnchorRect.Y += aAnchorRect.Height;
 101                 aAnchorRect.Height *= -1;
 102             }
 103         }
 104         else
 105         {
 106             aAnchorRect.setSize( maSize );
 107         }
 108     }
 109
 110     return aAnchorRect;
 111 }
 112 // ============================================================================
 113
 114 ChartDrawingFragment::ChartDrawingFragment( XmlFilterBase& rFilter,
 115         const OUString& rFragmentPath, const Reference< XShapes >& rxDrawPage,
 116         const awt::Size& rChartSize, const awt::Point& rShapesOffset, bool bOleSupport ) :
 117     FragmentHandler2( rFilter, rFragmentPath ),
 118     mxDrawPage( rxDrawPage ),
 119     mbOleSupport( bOleSupport )
 120 {
 121     maChartRectEmu.X = convertHmmToEmu( rShapesOffset.X );
 122     maChartRectEmu.Y = convertHmmToEmu( rShapesOffset.Y );
 123     maChartRectEmu.Width = convertHmmToEmu( rChartSize.Width );
 124     maChartRectEmu.Height = convertHmmToEmu( rChartSize.Height );
 125 }
 126
 127 ChartDrawingFragment::~ChartDrawingFragment()
 128 {
 129 }
 130
 131 ContextHandlerRef ChartDrawingFragment::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
 132 {
 133     switch( getCurrentElement() )
 134     {
 135         case XML_ROOT_CONTEXT:
 136             if( nElement == C_TOKEN( userShapes ) ) return this;
 137         break;
 138
 139         case C_TOKEN( userShapes ):
 140             switch( nElement )
 141             {
 142                 case CDR_TOKEN( absSizeAnchor ):
 143                     mxAnchor.reset( new ShapeAnchor( false ) );
 144                     return this;
 145                 case CDR_TOKEN( relSizeAnchor ):
 146                     mxAnchor.reset( new ShapeAnchor( true ) );
 147                     return this;
 148             }
 149         break;
 150
 151         case CDR_TOKEN( absSizeAnchor ):
 152         case CDR_TOKEN( relSizeAnchor ):
 153             switch( nElement )
 154             {
 155                 case CDR_TOKEN( sp ):
 156                     mxShape.reset( new Shape( "com.sun.star.drawing.CustomShape" ) );
 157                     return new ShapeContext( *this, ShapePtr(), mxShape );
 158                 case CDR_TOKEN( cxnSp ):
 159                     mxShape.reset( new Shape( "com.sun.star.drawing.ConnectorShape" ) );
 160                     return new ConnectorShapeContext( *this, ShapePtr(), mxShape );
 161                 case CDR_TOKEN( pic ):
 162                     mxShape.reset( new Shape( "com.sun.star.drawing.GraphicObjectShape" ) );
 163                     return new GraphicShapeContext( *this, ShapePtr(), mxShape );
 164                 case CDR_TOKEN( graphicFrame ):
 165                     if( !mbOleSupport )
 166                         return 0;
 167                     mxShape.reset( new Shape( "com.sun.star.drawing.GraphicObjectShape" ) );
 168                     return new GraphicalObjectFrameContext( *this, ShapePtr(), mxShape, true );
 169                 case CDR_TOKEN( grpSp ):
 170                     mxShape.reset( new Shape( "com.sun.star.drawing.GroupShape" ) );
 171                     return new ShapeGroupContext( *this, ShapePtr(), mxShape );
 172
 173                 case CDR_TOKEN( from ):
 174                 case CDR_TOKEN( to ):
 175                     return this;
 176
 177                 case CDR_TOKEN( ext ):
 178                     if( mxAnchor.get() ) mxAnchor->importExt( rAttribs );
 179                     return 0;
 180             }
 181         break;
 182
 183         case CDR_TOKEN( from ):
 184         case CDR_TOKEN( to ):
 185             switch( nElement )
 186             {
 187                 case CDR_TOKEN( x ):
 188                 case CDR_TOKEN( y ):
 189                     return this;        // collect value in onEndElement()
 190             }
 191         break;
 192     }
 193     return 0;
 194 }
 195
 196 void ChartDrawingFragment::onCharacters( const OUString& rChars )
 197 {
 198     if( isCurrentElement( CDR_TOKEN( x ), CDR_TOKEN( y ) ) && mxAnchor.get() )
 199         mxAnchor->setPos( getCurrentElement(), getParentElement(), rChars );
 200 }
 201
 202 void ChartDrawingFragment::onEndElement()
 203 {
 204     if( isCurrentElement( CDR_TOKEN( absSizeAnchor ), CDR_TOKEN( relSizeAnchor ) ) )
 205     {
 206         if( mxDrawPage.is() && mxShape.get() && mxAnchor.get() )
 207         {
 208             EmuRectangle aShapeRectEmu = mxAnchor->calcAnchorRectEmu( maChartRectEmu );
 209             if( (aShapeRectEmu.X >= 0) && (aShapeRectEmu.Y >= 0) && (aShapeRectEmu.Width >= 0) && (aShapeRectEmu.Height >= 0) )
 210             {
 211                 // TODO: DrawingML implementation expects 32-bit coordinates for EMU rectangles (change that to EmuRectangle)
 212                 awt::Rectangle aShapeRectEmu32(
 213                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.X, 0, SAL_MAX_INT32 ),
 214                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Y, 0, SAL_MAX_INT32 ),
 215                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Width, 0, SAL_MAX_INT32 ),
 216                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Height, 0, SAL_MAX_INT32 ) );
 217                 basegfx::B2DHomMatrix aMatrix;
 218                 mxShape->addShape( getFilter(), getFilter().getCurrentTheme(), mxDrawPage, aMatrix, mxShape->getFillProperties(), &aShapeRectEmu32 );
 219             }
 220         }
 221         mxShape.reset();
 222         mxAnchor.reset();
 223     }
 224 }
 225
 226 // ============================================================================
 227
 228 } // namespace chart
 229 } // namespace drawingml
 230 } // namespace oox
 231
 232 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */