LibreOffice Module oox (master)  1
chartdrawingfragment.cxx
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19 
21 
22 #include <osl/diagnose.h>
23 
25 #include <com/sun/star/awt/Rectangle.hpp>
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 
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 
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 
129 {
130 }
131 
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 
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: */
bool mbRelSize
Shape size, if anchor has absolute size.
const sal_Int32 PER_DEGREE
::oox::drawingml::ShapePtr mxShape
Drawing page of this sheet.
virtual void onEndElement() override
Will be called when the current element is about to be left.
bool isCurrentElement(sal_Int32 nElement) const
Returns true, if nElement contains the identifier of the currently processed element.
css::uno::Reference< css::drawing::XShapes > mxDrawPage
void importExt(const AttributeList &rAttribs)
Imports the absolute anchor size from the cdr:ext element.
bool mbOleSupport
Position and size of the chart object for embedded shapes (in EMUs).
uno::Reference< drawing::XDrawPage > mxDrawPage
EmuRectangle maChartRectEmu
Current anchor of top-level shape.
float x
sal_Int32 getParentElement(sal_Int32 nCountBack=1) const
Returns the identifier of the specified parent element.
AnchorSizeModel maSize
Bottom-right position relative to chart object.
virtual ::oox::core::ContextHandlerRef onCreateContext(sal_Int32 nElement, const AttributeList &rAttribs) override
Will be called to create a context handler for the passed element.
double mfY
X coordinate relative to chart object (0.0 to 1.0).
ChartDrawingFragment(::oox::core::XmlFilterBase &rFilter, const OUString &rFragmentPath, const css::uno::Reference< css::drawing::XShapes > &rxDrawPage, const css::awt::Size &rChartSize, const css::awt::Point &rShapesOffset, bool bOleSupport)
UBlockCode from
UBlockCode to
float y
OptValue< sal_Int64 > getHyper(sal_Int32 nAttrToken) const
Returns the 64-bit signed integer value of the specified attribute (decimal).
double toDouble(std::u16string_view str)
#define SAL_MAX_INT32
sal_Int64 convertHmmToEmu(sal_Int32 nValue)
Converts the passed 32-bit integer value from 1/100 mm to EMUs.
sal_Int32 getCurrentElement() const
Returns the identifier of the currently processed element.
Provides access to attribute values of an element.
AnchorPosModel maTo
Top-left position relative to chart object.
virtual void onCharacters(const OUString &rChars) override
Will be called before a new child element starts, or if the current element is about to be left...
A structure for a rectangle with 64-bit integer components.
std::shared_ptr< ShapeAnchor > mxAnchor
Current top-level shape.
const sal_Int32 XML_ROOT_CONTEXT
std::shared_ptr< Shape > ShapePtr
void setSize(const EmuSize &rSize)
Relative shape position in a chart object.
EmuRectangle calcAnchorRectEmu(const EmuRectangle &rChartRect) const
Calculates the resulting shape anchor in EMUs.
void setPos(sal_Int32 nElement, sal_Int32 nParentContext, std::u16string_view rValue)
Sets the relative anchor position from the cdr:from or cdr:to element.
bool m_bDetectedRangeSegmentation false