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 "drawingml/chart/chartdrawingfragment.hxx"
  21
  22 #include <osl/diagnose.h>
  23
  24 #include <basegfx/matrix/b2dhommatrix.hxx>
  25 #include <com/sun/star/awt/Rectangle.hpp>
  26 #include "oox/core/xmlfilterbase.hxx"
  27 #include "oox/drawingml/connectorshapecontext.hxx"
  28 #include "oox/drawingml/graphicshapecontext.hxx"
  29 #include "oox/drawingml/shapecontext.hxx"
  30 #include "oox/drawingml/shapegroupcontext.hxx"
  31 #include <oox/helper/attributelist.hxx>
  32 #include <oox/token/namespaces.hxx>
  33 #include <oox/token/tokens.hxx>
  34
  35 namespace oox {
  36 namespace drawingml {
  37 namespace chart {
  38
  39 using namespace ::com::sun::star;
  40 using namespace ::com::sun::star::drawing;
  41 using namespace ::com::sun::star::uno;
  42 using namespace ::oox::core;
  43
  44 ShapeAnchor::ShapeAnchor( bool bRelSize ) :
  45     mbRelSize( bRelSize )
  46 {
  47 }
  48
  49 void ShapeAnchor::importExt( const AttributeList& rAttribs )
  50 {
  51     OSL_ENSURE( !mbRelSize, "ShapeAnchor::importExt - unexpected 'cdr:ext' element" );
  52     maSize.Width = rAttribs.getHyper( XML_cx, 0 );
  53     maSize.Height = rAttribs.getHyper( XML_cy, 0 );
  54 }
  55
  56 void ShapeAnchor::setPos( sal_Int32 nElement, sal_Int32 nParentContext, const OUString& rValue )
  57 {
  58     AnchorPosModel* pAnchorPos = nullptr;
  59     switch( nParentContext )
  60     {
  61         case CDR_TOKEN( from ):
  62             pAnchorPos = &maFrom;
  63         break;
  64         case CDR_TOKEN( to ):
  65             OSL_ENSURE( mbRelSize, "ShapeAnchor::setPos - unexpected 'cdr:to' element" );
  66             pAnchorPos = &maTo;
  67         break;
  68         default:
  69             OSL_FAIL( "ShapeAnchor::setPos - unexpected parent element" );
  70     }
  71     if( pAnchorPos ) switch( nElement )
  72     {
  73         case CDR_TOKEN( x ):    pAnchorPos->mfX = rValue.toDouble();    break;
  74         case CDR_TOKEN( y ):    pAnchorPos->mfY = rValue.toDouble();    break;
  75         default:    OSL_FAIL( "ShapeAnchor::setPos - unexpected element" );
  76     }
  77 }
  78
  79 EmuRectangle ShapeAnchor::calcAnchorRectEmu( const EmuRectangle& rChartRect ) const
  80 {
  81     EmuRectangle aAnchorRect( -1, -1, -1, -1 );
  82
  83     OSL_ENSURE( maFrom.isValid(), "ShapeAnchor::calcAnchorRectEmu - invalid from position" );
  84     OSL_ENSURE( mbRelSize ? maTo.isValid() : maSize.isValid(), "ShapeAnchor::calcAnchorRectEmu - invalid to/size" );
  85     if( maFrom.isValid() && (mbRelSize ? maTo.isValid() : maSize.isValid()) )
  86     {
  87         // calculate shape position
  88         aAnchorRect.X = static_cast< sal_Int64 >( maFrom.mfX * rChartRect.Width + 0.5 );
  89         aAnchorRect.Y = static_cast< sal_Int64 >( maFrom.mfY * rChartRect.Height + 0.5 );
  90
  91         // calculate shape size
  92         if( mbRelSize )
  93         {
  94             aAnchorRect.Width = static_cast< sal_Int64 >( maTo.mfX * rChartRect.Width + 0.5 ) - aAnchorRect.X;
  95             if( aAnchorRect.Width < 0 )
  96             {
  97                 aAnchorRect.X += aAnchorRect.Width;
  98                 aAnchorRect.Width *= -1;
  99             }
 100             aAnchorRect.Height = static_cast< sal_Int64 >( maTo.mfY * rChartRect.Height + 0.5 ) - aAnchorRect.Y;
 101             if( aAnchorRect.Height < 0 )
 102             {
 103                 aAnchorRect.Y += aAnchorRect.Height;
 104                 aAnchorRect.Height *= -1;
 105             }
 106         }
 107         else
 108         {
 109             aAnchorRect.setSize( maSize );
 110         }
 111     }
 112
 113     return aAnchorRect;
 114 }
 115
 116 ChartDrawingFragment::ChartDrawingFragment( XmlFilterBase& rFilter,
 117         const OUString& rFragmentPath, const Reference< XShapes >& rxDrawPage,
 118         const awt::Size& rChartSize, const awt::Point& rShapesOffset, bool bOleSupport ) :
 119     FragmentHandler2( rFilter, rFragmentPath ),
 120     mxDrawPage( rxDrawPage ),
 121     mbOleSupport( bOleSupport )
 122 {
 123     maChartRectEmu.X = convertHmmToEmu( rShapesOffset.X );
 124     maChartRectEmu.Y = convertHmmToEmu( rShapesOffset.Y );
 125     maChartRectEmu.Width = convertHmmToEmu( rChartSize.Width );
 126     maChartRectEmu.Height = convertHmmToEmu( rChartSize.Height );
 127 }
 128
 129 ChartDrawingFragment::~ChartDrawingFragment()
 130 {
 131 }
 132
 133 ContextHandlerRef ChartDrawingFragment::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
 134 {
 135     switch( getCurrentElement() )
 136     {
 137         case XML_ROOT_CONTEXT:
 138             if( nElement == C_TOKEN( userShapes ) ) return this;
 139         break;
 140
 141         case C_TOKEN( userShapes ):
 142             switch( nElement )
 143             {
 144                 case CDR_TOKEN( absSizeAnchor ):
 145                     mxAnchor.reset( new ShapeAnchor( false ) );
 146                     return this;
 147                 case CDR_TOKEN( relSizeAnchor ):
 148                     mxAnchor.reset( new ShapeAnchor( true ) );
 149                     return this;
 150             }
 151         break;
 152
 153         case CDR_TOKEN( absSizeAnchor ):
 154         case CDR_TOKEN( relSizeAnchor ):
 155             switch( nElement )
 156             {
 157                 case CDR_TOKEN( sp ):
 158                     mxShape.reset( new Shape( "com.sun.star.drawing.CustomShape" ) );
 159                     return new ShapeContext( *this, ShapePtr(), mxShape );
 160                 case CDR_TOKEN( cxnSp ):
 161                     mxShape.reset( new Shape( "com.sun.star.drawing.ConnectorShape" ) );
 162                     return new ConnectorShapeContext( *this, ShapePtr(), mxShape );
 163                 case CDR_TOKEN( pic ):
 164                     mxShape.reset( new Shape( "com.sun.star.drawing.GraphicObjectShape" ) );
 165                     return new GraphicShapeContext( *this, ShapePtr(), mxShape );
 166                 case CDR_TOKEN( graphicFrame ):
 167                     if( !mbOleSupport )
 168                         return nullptr;
 169                     mxShape.reset( new Shape( "com.sun.star.drawing.GraphicObjectShape" ) );
 170                     return new GraphicalObjectFrameContext( *this, ShapePtr(), mxShape, true );
 171                 case CDR_TOKEN( grpSp ):
 172                     mxShape.reset( new Shape( "com.sun.star.drawing.GroupShape" ) );
 173                     return new ShapeGroupContext( *this, ShapePtr(), mxShape );
 174
 175                 case CDR_TOKEN( from ):
 176                 case CDR_TOKEN( to ):
 177                     return this;
 178
 179                 case CDR_TOKEN( ext ):
 180                     if( mxAnchor.get() ) mxAnchor->importExt( rAttribs );
 181                     return nullptr;
 182             }
 183         break;
 184
 185         case CDR_TOKEN( from ):
 186         case CDR_TOKEN( to ):
 187             switch( nElement )
 188             {
 189                 case CDR_TOKEN( x ):
 190                 case CDR_TOKEN( y ):
 191                     return this;        // collect value in onEndElement()
 192             }
 193         break;
 194     }
 195     return nullptr;
 196 }
 197
 198 void ChartDrawingFragment::onCharacters( const OUString& rChars )
 199 {
 200     if( isCurrentElement( CDR_TOKEN( x ), CDR_TOKEN( y ) ) && mxAnchor.get() )
 201         mxAnchor->setPos( getCurrentElement(), getParentElement(), rChars );
 202 }
 203
 204 void ChartDrawingFragment::onEndElement()
 205 {
 206     if( isCurrentElement( CDR_TOKEN( absSizeAnchor ), CDR_TOKEN( relSizeAnchor ) ) )
 207     {
 208         if( mxDrawPage.is() && mxShape.get() && mxAnchor.get() )
 209         {
 210             EmuRectangle aShapeRectEmu = mxAnchor->calcAnchorRectEmu( maChartRectEmu );
 211             if( (aShapeRectEmu.X >= 0) && (aShapeRectEmu.Y >= 0) && (aShapeRectEmu.Width >= 0) && (aShapeRectEmu.Height >= 0) )
 212             {
 213                 // TODO: DrawingML implementation expects 32-bit coordinates for EMU rectangles (change that to EmuRectangle)
 214                 awt::Rectangle aShapeRectEmu32(
 215                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.X, 0, SAL_MAX_INT32 ),
 216                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Y, 0, SAL_MAX_INT32 ),
 217                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Width, 0, SAL_MAX_INT32 ),
 218                     getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Height, 0, SAL_MAX_INT32 ) );
 219
 220                 // Set the position and size before calling addShape().
 221                 mxShape->setPosition(awt::Point(aShapeRectEmu32.X, aShapeRectEmu32.Y));
 222                 mxShape->setSize(awt::Size(aShapeRectEmu32.Width, aShapeRectEmu32.Height));
 223
 224                 basegfx::B2DHomMatrix aMatrix;
 225                 mxShape->addShape( getFilter(), getFilter().getCurrentTheme(), mxDrawPage, aMatrix, mxShape->getFillProperties() );
 226             }
 227         }
 228         mxShape.reset();
 229         mxAnchor.reset();
 230     }
 231 }
 232
 233 } // namespace chart
 234 } // namespace drawingml
 235 } // namespace oox
 236
 237 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */