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.
   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 <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 #include <o3tl/string_view.hxx>
  35
  36 namespace oox::drawingml::chart {
  37
  38 using namespace ::com::sun::star;
  39 using namespace ::com::sun::star::drawing;
  40 using namespace ::com::sun::star::uno;
  41 using namespace ::oox::core;
  42
  43 ShapeAnchor::ShapeAnchor( bool bRelSize ) :
  44     mbRelSize( bRelSize )
  45 {
  46 }
  47
  48 void ShapeAnchor::importExt( const AttributeList& rAttribs )
  49 {
  50     OSL_ENSURE( !mbRelSize, "ShapeAnchor::importExt - unexpected 'cdr:ext' element" );
  51     maSize.Width = rAttribs.getHyper( XML_cx, 0 );
  52     maSize.Height = rAttribs.getHyper( XML_cy, 0 );
  53 }
  54
  55 void ShapeAnchor::setPos( sal_Int32 nElement, sal_Int32 nParentContext, std::u16string_view rValue )
  56 {
  57     AnchorPosModel* pAnchorPos = nullptr;
  58     switch( nParentContext )
  59     {
  60         case CDR_TOKEN( from ):
  61             pAnchorPos = &maFrom;
  62         break;
  63         case CDR_TOKEN( to ):
  64             OSL_ENSURE( mbRelSize, "ShapeAnchor::setPos - unexpected 'cdr:to' element" );
  65             pAnchorPos = &maTo;
  66         break;
  67         default:
  68             OSL_FAIL( "ShapeAnchor::setPos - unexpected parent element" );
  69     }
  70     if( pAnchorPos ) switch( nElement )
  71     {
  72         case CDR_TOKEN( x ):    pAnchorPos->mfX = o3tl::toDouble(rValue);    break;
  73         case CDR_TOKEN( y ):    pAnchorPos->mfY = o3tl::toDouble(rValue);    break;
  74         default:    OSL_FAIL( "ShapeAnchor::setPos - unexpected element" );
  75     }
  76 }
  77
  78 EmuRectangle ShapeAnchor::calcAnchorRectEmu( const EmuRectangle& rChartRect ) const
  79 {
  80     EmuRectangle aAnchorRect( -1, -1, -1, -1 );
  81
  82     OSL_ENSURE( maFrom.isValid(), "ShapeAnchor::calcAnchorRectEmu - invalid from position" );
  83     OSL_ENSURE( mbRelSize ? maTo.isValid() : maSize.isValid(), "ShapeAnchor::calcAnchorRectEmu - invalid to/size" );
  84     if( maFrom.isValid() && (mbRelSize ? maTo.isValid() : maSize.isValid()) )
  85     {
  86         // calculate shape position
  87         aAnchorRect.X = static_cast< sal_Int64 >( maFrom.mfX * rChartRect.Width + 0.5 );
  88         aAnchorRect.Y = static_cast< sal_Int64 >( maFrom.mfY * rChartRect.Height + 0.5 );
  89
  90         // calculate shape size
  91         if( mbRelSize )
  92         {
  93             aAnchorRect.Width = static_cast< sal_Int64 >( maTo.mfX * rChartRect.Width + 0.5 ) - aAnchorRect.X;
  94             if( aAnchorRect.Width < 0 )
  95             {
  96                 aAnchorRect.X += aAnchorRect.Width;
  97                 aAnchorRect.Width *= -1;
  98             }
  99             aAnchorRect.Height = static_cast< sal_Int64 >( maTo.mfY * rChartRect.Height + 0.5 ) - aAnchorRect.Y;
 100             if( aAnchorRect.Height < 0 )
 101             {
 102                 aAnchorRect.Y += aAnchorRect.Height;
 103                 aAnchorRect.Height *= -1;
 104             }
 105         }
 106         else
 107         {
 108             aAnchorRect.setSize( maSize );
 109         }
 110     }
 111
 112     return aAnchorRect;
 113 }
 114
 115 ChartDrawingFragment::ChartDrawingFragment( XmlFilterBase& rFilter,
 116         const OUString& rFragmentPath, const Reference< XShapes >& rxDrawPage,
 117         const awt::Size& rChartSize, const awt::Point& rShapesOffset, bool bOleSupport ) :
 118     FragmentHandler2( rFilter, rFragmentPath ),
 119     mxDrawPage( rxDrawPage ),
 120     mbOleSupport( bOleSupport )
 121 {
 122     maChartRectEmu.X = convertHmmToEmu( rShapesOffset.X );
 123     maChartRectEmu.Y = convertHmmToEmu( rShapesOffset.Y );
 124     maChartRectEmu.Width = convertHmmToEmu( rChartSize.Width );
 125     maChartRectEmu.Height = convertHmmToEmu( rChartSize.Height );
 126 }
 127
 128 ChartDrawingFragment::~ChartDrawingFragment()
 129 {
 130 }
 131
 132 ContextHandlerRef ChartDrawingFragment::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs )
 133 {
 134     switch( getCurrentElement() )
 135     {
 136         case XML_ROOT_CONTEXT:
 137             if( nElement == C_TOKEN( userShapes ) ) return this;
 138         break;
 139
 140         case C_TOKEN( userShapes ):
 141             switch( nElement )
 142             {
 143                 case CDR_TOKEN( absSizeAnchor ):
 144                     mxAnchor = std::make_shared<ShapeAnchor>( false );
 145                     return this;
 146                 case CDR_TOKEN( relSizeAnchor ):
 147                     mxAnchor = std::make_shared<ShapeAnchor>( true );
 148                     return this;
 149             }
 150         break;
 151
 152         case CDR_TOKEN( absSizeAnchor ):
 153         case CDR_TOKEN( relSizeAnchor ):
 154             switch( nElement )
 155             {
 156                 case CDR_TOKEN( sp ):
 157                     mxShape = std::make_shared<Shape>( "com.sun.star.drawing.CustomShape" );
 158                     return new ShapeContext( *this, ShapePtr(), mxShape );
 159                 case CDR_TOKEN( cxnSp ):
 160                     mxShape = std::make_shared<Shape>( "com.sun.star.drawing.ConnectorShape" );
 161                     return new ConnectorShapeContext(*this, ShapePtr(), mxShape,
 162                                                      mxShape->getConnectorShapeProperties());
 163                 case CDR_TOKEN( pic ):
 164                     mxShape = std::make_shared<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 = std::make_shared<Shape>( "com.sun.star.drawing.GraphicObjectShape" );
 170                     return new GraphicalObjectFrameContext( *this, ShapePtr(), mxShape, true );
 171                 case CDR_TOKEN( grpSp ):
 172                     mxShape = std::make_shared<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 ) 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 )
 201         mxAnchor->setPos( getCurrentElement(), getParentElement(), rChars );
 202 }
 203
 204 void ChartDrawingFragment::onEndElement()
 205 {
 206     if( !isCurrentElement( CDR_TOKEN( absSizeAnchor ), CDR_TOKEN( relSizeAnchor ) ) )
 207         return;
 208
 209     if( mxDrawPage.is() && mxShape && mxAnchor )
 210     {
 211         EmuRectangle aShapeRectEmu = mxAnchor->calcAnchorRectEmu( maChartRectEmu );
 212         if( (aShapeRectEmu.X >= 0) && (aShapeRectEmu.Y >= 0) && (aShapeRectEmu.Width >= 0) && (aShapeRectEmu.Height >= 0) )
 213         {
 214             const sal_Int32 aRotation = mxShape->getRotation();
 215             if( (aRotation >= 45 * PER_DEGREE && aRotation < 135 * PER_DEGREE) || (aRotation >= 225 * PER_DEGREE && aRotation < 315 * PER_DEGREE) )
 216             {
 217                 sal_Int64 nHalfWidth = aShapeRectEmu.Width / 2;
 218                 sal_Int64 nHalfHeight = aShapeRectEmu.Height / 2;
 219                 aShapeRectEmu.X = aShapeRectEmu.X + nHalfWidth - nHalfHeight;
 220                 aShapeRectEmu.Y = aShapeRectEmu.Y + nHalfHeight - nHalfWidth;
 221                 std::swap(aShapeRectEmu.Width, aShapeRectEmu.Height);
 222             }
 223             // TODO: DrawingML implementation expects 32-bit coordinates for EMU rectangles (change that to EmuRectangle)
 224             awt::Rectangle aShapeRectEmu32(
 225                 getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.X, 0, SAL_MAX_INT32 ),
 226                 getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Y, 0, SAL_MAX_INT32 ),
 227                 getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Width, 0, SAL_MAX_INT32 ),
 228                 getLimitedValue< sal_Int32, sal_Int64 >( aShapeRectEmu.Height, 0, SAL_MAX_INT32 ) );
 229
 230             // Set the position and size before calling addShape().
 231             mxShape->setPosition(awt::Point(aShapeRectEmu32.X, aShapeRectEmu32.Y));
 232             mxShape->setSize(awt::Size(aShapeRectEmu32.Width, aShapeRectEmu32.Height));
 233
 234             basegfx::B2DHomMatrix aMatrix;
 235             mxShape->addShape( getFilter(), getFilter().getCurrentTheme(), mxDrawPage, aMatrix, mxShape->getFillProperties() );
 236         }
 237     }
 238     mxShape.reset();
 239     mxAnchor.reset();
 240 }
 241
 242 } // namespace oox::drawingml::chart
 243
 244 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */