1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
************************************************************************/


#include "cellvalueconversion.hxx"
#include "svtools/table/gridtablerenderer.hxx"
#include "svtools/colorcfg.hxx"

/** === begin UNO includes === **/
#include <com/sun/star/graphic/XGraphic.hpp>
/** === end UNO includes === **/

#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/window.hxx>
#include <vcl/image.hxx>
#include <vcl/virdev.hxx>
#include <vcl/decoview.hxx>

//......................................................................................................................
namespace svt { namespace table
{
//......................................................................................................................

    /** === begin UNO using === **/
    using ::com::sun::star::uno::Any;
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::UNO_QUERY;
    using ::com::sun::star::uno::XInterface;
    using ::com::sun::star::uno::TypeClass_INTERFACE;
    using ::com::sun::star::graphic::XGraphic;
    using ::com::sun::star::style::HorizontalAlignment;
    using ::com::sun::star::style::HorizontalAlignment_LEFT;
    using ::com::sun::star::style::HorizontalAlignment_CENTER;
    using ::com::sun::star::style::HorizontalAlignment_RIGHT;
    using ::com::sun::star::style::VerticalAlignment;
    using ::com::sun::star::style::VerticalAlignment_TOP;
    using ::com::sun::star::style::VerticalAlignment_MIDDLE;
    using ::com::sun::star::style::VerticalAlignment_BOTTOM;
    /** === end UNO using === **/

    //==================================================================================================================
    //= CachedSortIndicator
    //==================================================================================================================
    class CachedSortIndicator
    {
    public:
        CachedSortIndicator()
            :m_lastHeaderHeight( 0 )
            ,m_lastArrowColor( COL_TRANSPARENT )
        {
        }

        BitmapEx const & getBitmapFor( OutputDevice const & i_device, long const i_headerHeight, StyleSettings const & i_style, bool const i_sortAscending );

    private:
        long        m_lastHeaderHeight;
        Color       m_lastArrowColor;
        BitmapEx    m_sortAscending;
        BitmapEx    m_sortDescending;
    };

    //------------------------------------------------------------------------------------------------------------------
    BitmapEx const & CachedSortIndicator::getBitmapFor( OutputDevice const & i_device, long const i_headerHeight,
        StyleSettings const & i_style, bool const i_sortAscending )
    {
        BitmapEx & rBitmap( i_sortAscending ? m_sortAscending : m_sortDescending );
        if ( !rBitmap || ( i_headerHeight != m_lastHeaderHeight ) || ( i_style.GetActiveColor() != m_lastArrowColor ) )
        {
            long const nSortIndicatorWidth = 2 * i_headerHeight / 3;
            long const nSortIndicatorHeight = 2 * nSortIndicatorWidth / 3;

            Point const aBitmapPos( 0, 0 );
            Size const aBitmapSize( nSortIndicatorWidth, nSortIndicatorHeight );
            VirtualDevice aDevice( i_device, 0, 0 );
            aDevice.SetOutputSizePixel( aBitmapSize );

            DecorationView aDecoView( &aDevice );
            aDecoView.DrawSymbol(
                Rectangle( aBitmapPos, aBitmapSize ),
                i_sortAscending ? SYMBOL_SPIN_UP : SYMBOL_SPIN_DOWN,
                i_style.GetActiveColor()
            );

            rBitmap = aDevice.GetBitmapEx( aBitmapPos, aBitmapSize );
            m_lastHeaderHeight = i_headerHeight;
            m_lastArrowColor = i_style.GetActiveColor();
        }
        return rBitmap;<--- Returning reference to auto variable
    }

    //==================================================================================================================
    //= GridTableRenderer_Impl
    //==================================================================================================================
    struct GridTableRenderer_Impl
    {
        ITableModel&        rModel;
        RowPos              nCurrentRow;
        bool                bUseGridLines;
        CachedSortIndicator aSortIndicator;

        GridTableRenderer_Impl( ITableModel& _rModel )
            :rModel( _rModel )
            ,nCurrentRow( ROW_INVALID )
            ,bUseGridLines( true )
        {
        }
    };

    //==================================================================================================================
    //= helper
    //==================================================================================================================
    namespace
    {
        static Rectangle lcl_getContentArea( GridTableRenderer_Impl const & i_impl, Rectangle const & i_cellArea )
        {
            Rectangle aContentArea( i_cellArea );
            if ( i_impl.bUseGridLines )
            {
                --aContentArea.Right();
                --aContentArea.Bottom();
            }
            return aContentArea;
        }
        static Rectangle lcl_getTextRenderingArea( Rectangle const & i_contentArea )
        {
            Rectangle aTextArea( i_contentArea );
            aTextArea.Left() += 2; aTextArea.Right() -= 2;
            ++aTextArea.Top(); --aTextArea.Bottom();
            return aTextArea;
        }

        static sal_uLong lcl_getAlignmentTextDrawFlags( GridTableRenderer_Impl const & i_impl, ColPos const i_columnPos )
        {
            sal_uLong nVertFlag = TEXT_DRAW_TOP;
            VerticalAlignment const eVertAlign = i_impl.rModel.getVerticalAlign();
            switch ( eVertAlign )
            {
            case VerticalAlignment_MIDDLE:  nVertFlag = TEXT_DRAW_VCENTER;  break;
            case VerticalAlignment_BOTTOM:  nVertFlag = TEXT_DRAW_BOTTOM;   break;
            default:
                break;
            }

            sal_uLong nHorzFlag = TEXT_DRAW_LEFT;
            HorizontalAlignment const eHorzAlign = i_impl.rModel.getColumnModel( i_columnPos )->getHorizontalAlign();
            switch ( eHorzAlign )
            {
            case HorizontalAlignment_CENTER:    nHorzFlag = TEXT_DRAW_CENTER;   break;
            case HorizontalAlignment_RIGHT:     nHorzFlag = TEXT_DRAW_RIGHT;    break;
            default:
                break;
            }

            return nVertFlag | nHorzFlag;
        }

    }

    //==================================================================================================================
    //= GridTableRenderer
    //==================================================================================================================
    //------------------------------------------------------------------------------------------------------------------
    GridTableRenderer::GridTableRenderer( ITableModel& _rModel )
        :m_pImpl( new GridTableRenderer_Impl( _rModel ) )
    {
    }

    //------------------------------------------------------------------------------------------------------------------
    GridTableRenderer::~GridTableRenderer()
    {
    }

    //------------------------------------------------------------------------------------------------------------------
    bool GridTableRenderer::useGridLines() const
    {
        return m_pImpl->bUseGridLines;
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::useGridLines( bool const i_use )
    {
        m_pImpl->bUseGridLines = i_use;
    }

    //------------------------------------------------------------------------------------------------------------------
    namespace
    {
        Color lcl_getEffectiveColor(
            ::boost::optional< ::Color > const & i_modelColor,
            StyleSettings const & i_styleSettings,
            ::Color const & ( StyleSettings::*i_getDefaultColor ) () const
        )
        {
            if ( !!i_modelColor )
                return *i_modelColor;
            return ( i_styleSettings.*i_getDefaultColor )();
        }
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::PaintHeaderArea(
        OutputDevice& _rDevice, const Rectangle& _rArea, bool _bIsColHeaderArea, bool _bIsRowHeaderArea,
        const StyleSettings& _rStyle )
    {
        OSL_PRECOND( _bIsColHeaderArea || _bIsRowHeaderArea,
            "GridTableRenderer::PaintHeaderArea: invalid area flags!" );

        _rDevice.Push( PUSH_FILLCOLOR | PUSH_LINECOLOR );

        Color const background = lcl_getEffectiveColor( m_pImpl->rModel.getHeaderBackgroundColor(), _rStyle, &StyleSettings::GetDialogColor );
        _rDevice.SetFillColor( background );

        _rDevice.SetLineColor();
        _rDevice.DrawRect( _rArea );

        // delimiter lines at bottom/right
        ::boost::optional< ::Color > aLineColor( m_pImpl->rModel.getLineColor() );
        ::Color const lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
        _rDevice.SetLineColor( lineColor );
        _rDevice.DrawLine( _rArea.BottomLeft(), _rArea.BottomRight() );
        _rDevice.DrawLine( _rArea.BottomRight(), _rArea.TopRight() );

        _rDevice.Pop();
        (void)_bIsColHeaderArea;
        (void)_bIsRowHeaderArea;
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::PaintColumnHeader( ColPos _nCol, bool _bActive, bool _bSelected,
        OutputDevice& _rDevice, const Rectangle& _rArea, const StyleSettings& _rStyle )
    {
        _rDevice.Push( PUSH_LINECOLOR);

        String sHeaderText;
        PColumnModel const pColumn = m_pImpl->rModel.getColumnModel( _nCol );
        DBG_ASSERT( !!pColumn, "GridTableRenderer::PaintColumnHeader: invalid column model object!" );
        if ( !!pColumn )
            sHeaderText = pColumn->getName();

        ::Color const textColor = lcl_getEffectiveColor( m_pImpl->rModel.getTextColor(), _rStyle, &StyleSettings::GetFieldTextColor );
        _rDevice.SetTextColor( textColor );

        Rectangle const aTextRect( lcl_getTextRenderingArea( lcl_getContentArea( *m_pImpl, _rArea ) ) );
        sal_uLong const nDrawTextFlags = lcl_getAlignmentTextDrawFlags( *m_pImpl, _nCol ) | TEXT_DRAW_CLIP;
        _rDevice.DrawText( aTextRect, sHeaderText, nDrawTextFlags );

        ::boost::optional< ::Color > const aLineColor( m_pImpl->rModel.getLineColor() );
        ::Color const lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
        _rDevice.SetLineColor( lineColor );
        _rDevice.DrawLine( _rArea.BottomRight(), _rArea.TopRight());
        _rDevice.DrawLine( _rArea.BottomLeft(), _rArea.BottomRight() );

        // draw sort indicator if the model data is sorted by the given column
        ITableDataSort const * pSortAdapter = m_pImpl->rModel.getSortAdapter();
        ColumnSort aCurrentSortOrder;
        if ( pSortAdapter != NULL )
            aCurrentSortOrder = pSortAdapter->getCurrentSortOrder();
        if ( aCurrentSortOrder.nColumnPos == _nCol )
        {
            long const nHeaderHeight( _rArea.GetHeight() );
            BitmapEx const aIndicatorBitmap = m_pImpl->aSortIndicator.getBitmapFor( _rDevice, nHeaderHeight, _rStyle,
                aCurrentSortOrder.eSortDirection == ColumnSortAscending );
            Size const aBitmapSize( aIndicatorBitmap.GetSizePixel() );
            long const nSortIndicatorPaddingX = 2;
            long const nSortIndicatorPaddingY = ( nHeaderHeight - aBitmapSize.Height() ) / 2;

            if ( ( nDrawTextFlags & TEXT_DRAW_RIGHT ) != 0 )
            {
                // text is right aligned => draw the sort indicator at the left hand side
                _rDevice.DrawBitmapEx(
                    Point( _rArea.Left() + nSortIndicatorPaddingX, _rArea.Top() + nSortIndicatorPaddingY ),
                    aIndicatorBitmap
                );
            }
            else
            {
                // text is left-aligned or centered => draw the sort indicator at the right hand side
                _rDevice.DrawBitmapEx(
                    Point( _rArea.Right() - nSortIndicatorPaddingX - aBitmapSize.Width(), nSortIndicatorPaddingY ),
                    aIndicatorBitmap
                );
            }
        }

        _rDevice.Pop();

        (void)_bActive;
        // no special painting for the active column at the moment

        (void)_bSelected;
        // selection for column header not yet implemented
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::PrepareRow( RowPos _nRow, bool _bActive, bool _bSelected,
        OutputDevice& _rDevice, const Rectangle& _rRowArea, const StyleSettings& _rStyle )
    {
        // remember the row for subsequent calls to the other ->ITableRenderer methods
        m_pImpl->nCurrentRow = _nRow;

        _rDevice.Push( PUSH_FILLCOLOR | PUSH_LINECOLOR);

        ::Color backgroundColor = _rStyle.GetFieldColor();

        ::boost::optional< ::Color > aLineColor( m_pImpl->rModel.getLineColor() );
        ::Color lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;

        if ( _bSelected )
        {
            // selected rows use the background color from the style
            backgroundColor = _rStyle.GetHighlightColor();
            if ( !aLineColor )
                lineColor = backgroundColor;
        }
        else
        {
            ::boost::optional< ::std::vector< ::Color > > aRowColors = m_pImpl->rModel.getRowBackgroundColors();
            if ( !aRowColors )
            {
                // use alternating default colors
                Color const fieldColor = _rStyle.GetFieldColor();
                if ( _rStyle.GetHighContrastMode() || ( ( m_pImpl->nCurrentRow % 2 ) == 0 ) )
                {
                    backgroundColor = fieldColor;
                }
                else
                {
                    Color hilightColor = _rStyle.GetHighlightColor();
                    hilightColor.SetRed( 9 * ( fieldColor.GetRed() - hilightColor.GetRed() ) / 10 + hilightColor.GetRed() );
                    hilightColor.SetGreen( 9 * ( fieldColor.GetGreen() - hilightColor.GetGreen() ) / 10 + hilightColor.GetGreen() );
                    hilightColor.SetBlue( 9 * ( fieldColor.GetBlue() - hilightColor.GetBlue() ) / 10 + hilightColor.GetBlue() );
                    backgroundColor = hilightColor;
                }
            }
            else
            {
                if ( aRowColors->empty() )
                {
                    // all colors have the same background color
                    backgroundColor = _rStyle.GetFieldColor();
                }
                else
                {
                    backgroundColor = aRowColors->at( m_pImpl->nCurrentRow % aRowColors->size() );
                }
            }
        }

        //m_pImpl->bUseGridLines ? _rDevice.SetLineColor( lineColor ) : _rDevice.SetLineColor();
        _rDevice.SetLineColor();
        _rDevice.SetFillColor( backgroundColor );
        _rDevice.DrawRect( _rRowArea );

        _rDevice.Pop();

        (void)_bActive;
        // row containing the active cell not rendered any special at the moment
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::PaintRowHeader( bool _bActive, bool _bSelected, OutputDevice& _rDevice, const Rectangle& _rArea,
        const StyleSettings& _rStyle )
    {
        _rDevice.Push( PUSH_LINECOLOR | PUSH_TEXTCOLOR );

        ::boost::optional< ::Color > const aLineColor( m_pImpl->rModel.getLineColor() );
        ::Color const lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
        _rDevice.SetLineColor( lineColor );
        _rDevice.DrawLine( _rArea.BottomLeft(), _rArea.BottomRight() );

        Any const rowHeading( m_pImpl->rModel.getRowHeading( m_pImpl->nCurrentRow ) );
        ::rtl::OUString const rowTitle( CellValueConversion::convertToString( rowHeading ) );
        if ( !rowTitle.isEmpty() )
        {
            ::Color const textColor = lcl_getEffectiveColor( m_pImpl->rModel.getHeaderTextColor(), _rStyle, &StyleSettings::GetFieldTextColor );
            _rDevice.SetTextColor( textColor );

            Rectangle const aTextRect( lcl_getTextRenderingArea( lcl_getContentArea( *m_pImpl, _rArea ) ) );
            sal_uLong const nDrawTextFlags = lcl_getAlignmentTextDrawFlags( *m_pImpl, 0 ) | TEXT_DRAW_CLIP;
                // TODO: is using the horizontal alignment of the 0'th column a good idea here? This is pretty ... arbitray ..
            _rDevice.DrawText( aTextRect, rowTitle, nDrawTextFlags );
        }

        // TODO: active? selected?
        (void)_bActive;
        (void)_bSelected;
        _rDevice.Pop();
    }

    //------------------------------------------------------------------------------------------------------------------
    struct GridTableRenderer::CellRenderContext
    {
        OutputDevice&           rDevice;
        Rectangle const         aContentArea;
        StyleSettings const &   rStyle;
        ColPos const            nColumn;
        bool const              bSelected;

        CellRenderContext( OutputDevice& i_device, Rectangle const & i_contentArea,
            StyleSettings const & i_style, ColPos const i_column, bool const i_selected )
            :rDevice( i_device )
            ,aContentArea( i_contentArea )
            ,rStyle( i_style )
            ,nColumn( i_column )
            ,bSelected( i_selected )
        {
        }
    };

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::PaintCell( ColPos const i_column, bool _bSelected, bool _bActive,
        OutputDevice& _rDevice, const Rectangle& _rArea, const StyleSettings& _rStyle )
    {
        _rDevice.Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );

        Rectangle const aContentArea( lcl_getContentArea( *m_pImpl, _rArea ) );
        CellRenderContext const aRenderContext( _rDevice, aContentArea, _rStyle, i_column, _bSelected );
        impl_paintCellContent( aRenderContext );

        if ( m_pImpl->bUseGridLines )
        {
            ::boost::optional< ::Color > aLineColor( m_pImpl->rModel.getLineColor() );
            ::Color lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;

            if ( _bSelected && !aLineColor )
            {
                // if no line color is specified by the model, use the usual selection color for lines in selected cells
                lineColor = _rStyle.GetHighlightColor();
            }

            _rDevice.SetLineColor( lineColor );
            _rDevice.DrawLine( _rArea.BottomLeft(), _rArea.BottomRight() );
            _rDevice.DrawLine( _rArea.BottomRight(), _rArea.TopRight() );
        }

        _rDevice.Pop();

        (void)_bActive;
        // no special painting for the active cell at the moment
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::impl_paintCellImage( CellRenderContext const & i_context, Image const & i_image )
    {
        Point imagePos( Point( i_context.aContentArea.Left(), i_context.aContentArea.Top() ) );
        Size imageSize = i_image.GetSizePixel();
        if ( i_context.aContentArea.GetWidth() > imageSize.Width() )
        {
            const HorizontalAlignment eHorzAlign = m_pImpl->rModel.getColumnModel( i_context.nColumn )->getHorizontalAlign();
            switch ( eHorzAlign )
            {
            case HorizontalAlignment_CENTER:
                imagePos.X() += ( i_context.aContentArea.GetWidth() - imageSize.Width() ) / 2;
                break;
            case HorizontalAlignment_RIGHT:
                imagePos.X() = i_context.aContentArea.Right() - imageSize.Width();
                break;
            default:
                break;
            }

        }
        else
            imageSize.Width() = i_context.aContentArea.GetWidth();

        if ( i_context.aContentArea.GetHeight() > imageSize.Height() )
        {
            const VerticalAlignment eVertAlign = m_pImpl->rModel.getVerticalAlign();
            switch ( eVertAlign )
            {
            case VerticalAlignment_MIDDLE:
                imagePos.Y() += ( i_context.aContentArea.GetHeight() - imageSize.Height() ) / 2;
                break;
            case VerticalAlignment_BOTTOM:
                imagePos.Y() = i_context.aContentArea.Bottom() - imageSize.Height();
                break;
            default:
                break;
            }
        }
        else
            imageSize.Height() = i_context.aContentArea.GetHeight() - 1;

        i_context.rDevice.DrawImage( imagePos, imageSize, i_image, 0 );
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::impl_paintCellContent( CellRenderContext const & i_context )
    {
        Any aCellContent;
        m_pImpl->rModel.getCellContent( i_context.nColumn, m_pImpl->nCurrentRow, aCellContent );

        if ( aCellContent.getValueTypeClass() == TypeClass_INTERFACE )
        {
            Reference< XInterface > const xContentInterface( aCellContent, UNO_QUERY );
            if ( !xContentInterface.is() )
                // allowed. kind of.
                return;

            Reference< XGraphic > const xGraphic( aCellContent, UNO_QUERY );
            ENSURE_OR_RETURN_VOID( xGraphic.is(), "GridTableRenderer::impl_paintCellContent: only XGraphic interfaces (or NULL) are supported for painting." );

            const Image aImage( xGraphic );
            impl_paintCellImage( i_context, aImage );
            return;
        }

        const ::rtl::OUString sText( CellValueConversion::convertToString( aCellContent ) );
        impl_paintCellText( i_context, sText );
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::impl_paintCellText( CellRenderContext const & i_context, ::rtl::OUString const & i_text )
    {
        if ( i_context.bSelected )
            i_context.rDevice.SetTextColor( i_context.rStyle.GetHighlightTextColor() );
        else
        {
            ::Color const textColor = lcl_getEffectiveColor( m_pImpl->rModel.getTextColor(), i_context.rStyle, &StyleSettings::GetFieldTextColor );
            i_context.rDevice.SetTextColor( textColor );
        }

        Rectangle const textRect( lcl_getTextRenderingArea( i_context.aContentArea ) );
        sal_uLong const nDrawTextFlags = lcl_getAlignmentTextDrawFlags( *m_pImpl, i_context.nColumn ) | TEXT_DRAW_CLIP;
        i_context.rDevice.DrawText( textRect, i_text, nDrawTextFlags );
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::ShowCellCursor( Window& _rView, const Rectangle& _rCursorRect)
    {
        _rView.ShowFocus( _rCursorRect );
    }

    //------------------------------------------------------------------------------------------------------------------
    void GridTableRenderer::HideCellCursor( Window& _rView, const Rectangle& _rCursorRect)
    {
        (void)_rCursorRect;
        _rView.HideFocus();
    }

    //------------------------------------------------------------------------------------------------------------------
    bool GridTableRenderer::FitsIntoCell( Any const & i_cellContent, ColPos const i_colPos, RowPos const i_rowPos,
        bool const i_active, bool const i_selected, OutputDevice& i_targetDevice, Rectangle const & i_targetArea )
    {
        if ( !i_cellContent.hasValue() )
            return true;

        if ( i_cellContent.getValueTypeClass() == TypeClass_INTERFACE )
        {
            Reference< XInterface > const xContentInterface( i_cellContent, UNO_QUERY );
            if ( !xContentInterface.is() )
                return true;

            Reference< XGraphic > const xGraphic( i_cellContent, UNO_QUERY );
            if ( xGraphic.is() )
                // for the moment, assume it fits. We can always scale it down during painting ...
                return true;

            OSL_ENSURE( false, "GridTableRenderer::FitsIntoCell: only XGraphic interfaces (or NULL) are supported for painting." );
            return true;
        }

        ::rtl::OUString const sText( CellValueConversion::convertToString( i_cellContent ) );
        if ( sText.isEmpty() )
            return true;

        Rectangle const aTargetArea( lcl_getTextRenderingArea( lcl_getContentArea( *m_pImpl, i_targetArea ) ) );

        long const nTextHeight = i_targetDevice.GetTextHeight();
        if ( nTextHeight > aTargetArea.GetHeight() )
            return false;

        long const nTextWidth = i_targetDevice.GetTextWidth( sText );
        if ( nTextWidth > aTargetArea.GetWidth() )
            return false;

        OSL_UNUSED( i_active );
        OSL_UNUSED( i_selected );
        OSL_UNUSED( i_rowPos );
        OSL_UNUSED( i_colPos );
        return true;
    }

//......................................................................................................................
} } // namespace svt::table
//......................................................................................................................

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */