summaryrefslogtreecommitdiff
path: root/starmath/inc/node.hxx
blob: f9fed9c9602abf520484123e0499d1acd9c6d24b (plain)
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
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/


#ifndef NODE_HXX
#define NODE_HXX


#include <vector>

#include "parse.hxx"
#include "types.hxx"
#include "rect.hxx"
#include "format.hxx"


#define ATTR_BOLD       0x0001
#define ATTR_ITALIC     0x0002

#define FNTSIZ_ABSOLUT  1
#define FNTSIZ_PLUS     2
#define FNTSIZ_MINUS    3
#define FNTSIZ_MULTIPLY 4
#define FNTSIZ_DIVIDE   5

// flags to interdict respective status changes
#define FLG_FONT        0x0001
#define FLG_SIZE        0x0002
#define FLG_BOLD        0x0004
#define FLG_ITALIC      0x0008
#define FLG_COLOR       0x0010
#define FLG_VISIBLE     0x0020
#define FLG_HORALIGN    0x0040


extern SmFormat *pActiveFormat;

class SmDocShell;
class SmNode;
class SmStructureNode;

typedef std::vector< SmNode * > SmNodeArray;
typedef std::vector< SmStructureNode * > SmStructureNodeArray;


////////////////////////////////////////////////////////////////////////////////

enum SmScaleMode    { SCALE_NONE, SCALE_WIDTH, SCALE_HEIGHT };

enum SmNodeType
{
    NTABLE,         NBRACE,         NBRACEBODY,     NOPER,          NALIGN,
    NATTRIBUT,      NFONT,          NUNHOR,         NBINHOR,        NBINVER,
    NBINDIAGONAL,   NSUBSUP,        NMATRIX,        NPLACE,         NTEXT,
    NSPECIAL,       NGLYPH_SPECIAL, NMATH,          NBLANK,         NERROR,
    NLINE,          NEXPRESSION,    NPOLYLINE,      NROOT,          NROOTSYMBOL,
    NRECTANGLE,     NVERTICAL_BRACE
};


////////////////////////////////////////////////////////////////////////////////


class SmNode : public SmRect
{
    SmFace          aFace;

    SmToken         aNodeToken;
    SmNodeType      eType;
    SmScaleMode     eScaleMode;
    RectHorAlign    eRectHorAlign;
    USHORT          nFlags,
                    nAttributes;
    BOOL            bIsPhantom,
                    bIsDebug;
protected:
    SmNode(SmNodeType eNodeType, const SmToken &rNodeToken);

    // index in accessible text -1 if not (yet) applicable
    sal_Int32       nAccIndex;

public:
    virtual             ~SmNode();

    virtual BOOL        IsVisible() const;

    virtual USHORT      GetNumSubNodes() const;
    virtual SmNode *    GetSubNode(USHORT nIndex);
            const SmNode * GetSubNode(USHORT nIndex) const
            {
                return ((SmNode *) this)->GetSubNode(nIndex);
            }

    virtual SmNode *       GetLeftMost();
            const SmNode * GetLeftMost() const
            {
                return ((SmNode *) this)->GetLeftMost();
            }

            USHORT &    Flags() { return nFlags; }
            USHORT &    Attributes() { return nAttributes; }

            BOOL IsDebug() const { return bIsDebug; }
            BOOL IsPhantom() const { return bIsPhantom; }
            void SetPhantom(BOOL bIsPhantom);
            void SetColor(const Color &rColor);

            void SetAttribut(USHORT nAttrib);
            void ClearAttribut(USHORT nAttrib);

            const SmFace & GetFont() const { return aFace; };
                  SmFace & GetFont()       { return aFace; };

            void SetFont(const SmFace &rFace);
            void SetFontSize(const Fraction &rRelSize, USHORT nType);
            void SetSize(const Fraction &rScale);

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void PrepareAttributes();

#if OSL_DEBUG_LEVEL
            void ToggleDebug() const;
#endif

    void         SetRectHorAlign(RectHorAlign eHorAlign, BOOL bApplyToSubTree = TRUE );
    RectHorAlign GetRectHorAlign() const { return eRectHorAlign; }

    const SmRect & GetRect() const { return *this; }
          SmRect & GetRect()       { return *this; }

    virtual void Move(const Point &rPosition);
    void MoveTo(const Point &rPosition) { Move(rPosition - GetTopLeft()); }
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    virtual void CreateTextFromNode(String &rText);

#ifdef SM_RECT_DEBUG
    using   SmRect::Draw;
#endif
    virtual void Draw(OutputDevice &rDev, const Point &rPosition) const;

    virtual void    GetAccessibleText( String &rText ) const;
    sal_Int32       GetAccessibleIndex() const { return nAccIndex; }
    const SmNode *  FindNodeWithAccessibleIndex(xub_StrLen nAccIndex) const;

    USHORT  GetRow() const    { return (USHORT)aNodeToken.nRow; }
    USHORT  GetColumn() const { return (USHORT)aNodeToken.nCol; }

    SmScaleMode     GetScaleMode() const { return eScaleMode; }
    void            SetScaleMode(SmScaleMode eMode) { eScaleMode = eMode; }

    virtual void AdaptToX(const OutputDevice &rDev, ULONG nWidth);
    virtual void AdaptToY(const OutputDevice &rDev, ULONG nHeight);

    SmNodeType      GetType() const  { return eType; }
    const SmToken & GetToken() const { return aNodeToken; }

    const SmNode *  FindTokenAt(USHORT nRow, USHORT nCol) const;
    const SmNode *  FindRectClosestTo(const Point &rPoint) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmStructureNode : public SmNode
{
    SmNodeArray  aSubNodes;

protected:
    SmStructureNode(SmNodeType eNodeType, const SmToken &rNodeToken)
    :   SmNode(eNodeType, rNodeToken)
    {}

public:
            SmStructureNode( const SmStructureNode &rNode );
    virtual ~SmStructureNode();

    virtual BOOL        IsVisible() const;

    virtual USHORT      GetNumSubNodes() const;
            void        SetNumSubNodes(USHORT nSize) { aSubNodes.resize(nSize); }

    using   SmNode::GetSubNode;
    virtual SmNode *    GetSubNode(USHORT nIndex);
            void SetSubNodes(SmNode *pFirst, SmNode *pSecond, SmNode *pThird = NULL);
            void SetSubNodes(const SmNodeArray &rNodeArray);

    virtual SmStructureNode & operator = ( const SmStructureNode &rNode );

    virtual void  GetAccessibleText( String &rText ) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmVisibleNode : public SmNode
{
protected:
    SmVisibleNode(SmNodeType eNodeType, const SmToken &rNodeToken)
    :   SmNode(eNodeType, rNodeToken)
    {}

public:

    virtual BOOL        IsVisible() const;
    virtual USHORT      GetNumSubNodes() const;
    using   SmNode::GetSubNode;
    virtual SmNode *    GetSubNode(USHORT nIndex);
};


////////////////////////////////////////////////////////////////////////////////


class SmGraphicNode : public SmVisibleNode
{
protected:
    SmGraphicNode(SmNodeType eNodeType, const SmToken &rNodeToken)
    :   SmVisibleNode(eNodeType, rNodeToken)
    {}

public:

    virtual void  GetAccessibleText( String &rText ) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmRectangleNode : public SmGraphicNode
{
    Size  aToSize;

public:
    SmRectangleNode(const SmToken &rNodeToken)
    :   SmGraphicNode(NRECTANGLE, rNodeToken)
    {}

    virtual void AdaptToX(const OutputDevice &rDev, ULONG nWidth);
    virtual void AdaptToY(const OutputDevice &rDev, ULONG nHeight);

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);

#ifdef SM_RECT_DEBUG
    using   SmRect::Draw;
#endif
    virtual void Draw(OutputDevice &rDev, const Point &rPosition) const;

    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmPolyLineNode : public SmGraphicNode
{
    Polygon     aPoly;
    Size        aToSize;
    long        nWidth;

public:
    SmPolyLineNode(const SmToken &rNodeToken);

    long         GetWidth() const { return nWidth; }

    virtual void AdaptToX(const OutputDevice &rDev, ULONG nWidth);
    virtual void AdaptToY(const OutputDevice &rDev, ULONG nHeight);

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);

#ifdef SM_RECT_DEBUG
    using   SmRect::Draw;
#endif
    virtual void Draw(OutputDevice &rDev, const Point &rPosition) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmTextNode : public SmVisibleNode
{
    XubString   aText;
    USHORT      nFontDesc;

protected:
    SmTextNode(SmNodeType eNodeType, const SmToken &rNodeToken, USHORT nFontDescP)
    :   SmVisibleNode(eNodeType, rNodeToken)
    {
        nFontDesc = nFontDescP;
    }

public:
    SmTextNode(const SmToken &rNodeToken, USHORT nFontDescP)
    :   SmVisibleNode(NTEXT, rNodeToken)
    {
        nFontDesc = nFontDescP;
    }


    USHORT              GetFontDesc() const { return nFontDesc; }
    void                SetText(const XubString &rText) { aText = rText; }
    const XubString &   GetText() const { return aText; }

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    virtual void CreateTextFromNode(String &rText);

#ifdef SM_RECT_DEBUG
    using   SmRect::Draw;
#endif
    virtual void Draw(OutputDevice &rDev, const Point &rPosition) const;

    virtual void  GetAccessibleText( String &rText ) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmSpecialNode : public SmTextNode
{
protected:
    SmSpecialNode(SmNodeType eNodeType, const SmToken &rNodeToken, USHORT _nFontDesc)
    :   SmTextNode(eNodeType, rNodeToken, _nFontDesc)
    {}

public:
    SmSpecialNode(const SmToken &rNodeToken)
    :   SmTextNode(NSPECIAL, rNodeToken, FNT_MATH)  //! default Font nicht immer richtig
    {}

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);

#ifdef SM_RECT_DEBUG
    using   SmRect::Draw;
#endif
    virtual void Draw(OutputDevice &rDev, const Point &rPosition) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmGlyphSpecialNode : public SmSpecialNode
{
public:
    SmGlyphSpecialNode(const SmToken &rNodeToken)
    :   SmSpecialNode(NGLYPH_SPECIAL, rNodeToken, FNT_MATH)
    {}

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmMathSymbolNode : public SmSpecialNode
{
protected:
    SmMathSymbolNode(SmNodeType eNodeType, const SmToken &rNodeToken)
    :   SmSpecialNode(eNodeType, rNodeToken, FNT_MATH)
    {
        xub_Unicode cChar = GetToken().cMathChar;
        if ((xub_Unicode) '\0' != cChar)
            SetText( cChar );
    }

public:
    SmMathSymbolNode(const SmToken &rNodeToken);

    virtual void AdaptToX(const OutputDevice &rDev, ULONG nWidth);
    virtual void AdaptToY(const OutputDevice &rDev, ULONG nHeight);

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmRootSymbolNode : public SmMathSymbolNode
{
    ULONG  nBodyWidth;  // width of body (argument) of root sign

public:
    SmRootSymbolNode(const SmToken &rNodeToken)
    :   SmMathSymbolNode(NROOTSYMBOL, rNodeToken)
    {}

    virtual void AdaptToX(const OutputDevice &rDev, ULONG nWidth);
    virtual void AdaptToY(const OutputDevice &rDev, ULONG nHeight);

#ifdef SM_RECT_DEBUG
    using   SmRect::Draw;
#endif
    virtual void Draw(OutputDevice &rDev, const Point &rPosition) const;
};


////////////////////////////////////////////////////////////////////////////////


class SmPlaceNode : public SmMathSymbolNode
{
public:
    SmPlaceNode(const SmToken &rNodeToken)
    :   SmMathSymbolNode(NPLACE, rNodeToken)
    {
    }

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmErrorNode : public SmMathSymbolNode
{
public:
    SmErrorNode(SmParseError /*eError*/, const SmToken &rNodeToken)
    :   SmMathSymbolNode(NERROR, rNodeToken)
    {
        SetText((xub_Unicode) MS_ERROR);
    }

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmTableNode : public SmStructureNode
{
public:
    SmTableNode(const SmToken &rNodeToken)
    :   SmStructureNode(NTABLE, rNodeToken)
    {}

    using   SmNode::GetLeftMost;
    virtual SmNode * GetLeftMost();

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmLineNode : public SmStructureNode
{
protected:
    SmLineNode(SmNodeType eNodeType, const SmToken &rNodeToken)
    :   SmStructureNode(eNodeType, rNodeToken)
    {}

public:
    SmLineNode(const SmToken &rNodeToken)
    :   SmStructureNode(NLINE, rNodeToken)
    {}

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmExpressionNode : public SmLineNode
{
public:
    SmExpressionNode(const SmToken &rNodeToken)
    :   SmLineNode(NEXPRESSION, rNodeToken)
    {}

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmUnHorNode : public SmStructureNode
{
public:
    SmUnHorNode(const SmToken &rNodeToken)
    :   SmStructureNode(NUNHOR, rNodeToken)
    {
        SetNumSubNodes(2);
    }

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmRootNode : public SmStructureNode
{
protected:
    void   GetHeightVerOffset(const SmRect &rRect,
                              long &rHeight, long &rVerOffset) const;
    Point  GetExtraPos(const SmRect &rRootSymbol, const SmRect &rExtra) const;

public:
    SmRootNode(const SmToken &rNodeToken)
    :   SmStructureNode(NROOT, rNodeToken)
    {
        SetNumSubNodes(3);
    }

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmBinHorNode : public SmStructureNode
{
public:
    SmBinHorNode(const SmToken &rNodeToken)
    :   SmStructureNode(NBINHOR, rNodeToken)
    {
        SetNumSubNodes(3);
    }

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmBinVerNode : public SmStructureNode
{
public:
    SmBinVerNode(const SmToken &rNodeToken)
    :   SmStructureNode(NBINVER, rNodeToken)
    {
        SetNumSubNodes(3);
    }

    using   SmNode::GetLeftMost;
    virtual SmNode * GetLeftMost();

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmBinDiagonalNode : public SmStructureNode
{
    BOOL    bAscending;

    void    GetOperPosSize(Point &rPos, Size &rSize,
                           const Point &rDiagPoint, double fAngleDeg) const;

public:
    SmBinDiagonalNode(const SmToken &rNodeToken);

    BOOL    IsAscending() const { return bAscending; }
    void    SetAscending(BOOL bVal)  { bAscending = bVal; }

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


// enums used to index sub-/supscripts in the 'aSubNodes' array
// in 'SmSubSupNode'
// See graphic for positions at char:
//
//      CSUP
//
// LSUP H  H RSUP
//      H  H
//      HHHH
//      H  H
// LSUB H  H RSUB
//
//      CSUB
//
enum SmSubSup
{   CSUB, CSUP, RSUB, RSUP, LSUB, LSUP
};

// numbers of entries in the above enum (that is: the number of possible
// sub-/supscripts)
#define SUBSUP_NUM_ENTRIES 6


class SmSubSupNode : public SmStructureNode
{
    BOOL  bUseLimits;

public:
    SmSubSupNode(const SmToken &rNodeToken)
    :   SmStructureNode(NSUBSUP, rNodeToken)
    {
        SetNumSubNodes(1 + SUBSUP_NUM_ENTRIES);
        bUseLimits = FALSE;
    }

    SmNode *       GetBody()    { return GetSubNode(0); }
    const SmNode * GetBody() const
    {
        return ((SmSubSupNode *) this)->GetBody();
    }

    void  SetUseLimits(BOOL bVal) { bUseLimits = bVal; }
    BOOL  IsUseLimits() const { return bUseLimits; };

    SmNode * GetSubSup(SmSubSup eSubSup) { return GetSubNode( sal::static_int_cast< USHORT >(1 + eSubSup) ); };

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);

};


////////////////////////////////////////////////////////////////////////////////


class SmBraceNode : public SmStructureNode
{
public:
    SmBraceNode(const SmToken &rNodeToken)
    :   SmStructureNode(NBRACE, rNodeToken)
    {
        SetNumSubNodes(3);
    }

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmBracebodyNode : public SmStructureNode
{
    long  nBodyHeight;

public:
    inline SmBracebodyNode(const SmToken &rNodeToken);

    virtual void    Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    long            GetBodyHeight() const { return nBodyHeight; }
};


inline SmBracebodyNode::SmBracebodyNode(const SmToken &rNodeToken) :
    SmStructureNode(NBRACEBODY, rNodeToken)
{
    nBodyHeight = 0;
}


////////////////////////////////////////////////////////////////////////////////


class SmVerticalBraceNode : public SmStructureNode
{
public:
    inline SmVerticalBraceNode(const SmToken &rNodeToken);

    virtual void    Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


inline SmVerticalBraceNode::SmVerticalBraceNode(const SmToken &rNodeToken) :
    SmStructureNode(NVERTICAL_BRACE, rNodeToken)
{
    SetNumSubNodes(3);
}


////////////////////////////////////////////////////////////////////////////////


class SmOperNode : public SmStructureNode
{
public:
    SmOperNode(const SmToken &rNodeToken)
    :   SmStructureNode(NOPER, rNodeToken)
    {
        SetNumSubNodes(2);
    }

    SmNode *       GetSymbol();
    const SmNode * GetSymbol() const
    {
        return ((SmOperNode *) this)->GetSymbol();
    }

    long CalcSymbolHeight(const SmNode &rSymbol, const SmFormat &rFormat) const;

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmAlignNode : public SmStructureNode
{
public:
    SmAlignNode(const SmToken &rNodeToken)
    :   SmStructureNode(NALIGN, rNodeToken)
    {}

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////


class SmAttributNode : public SmStructureNode
{
public:
    SmAttributNode(const SmToken &rNodeToken)
    :   SmStructureNode(NATTRIBUT, rNodeToken)
    {}

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmFontNode : public SmStructureNode
{
    USHORT      nSizeType;
    Fraction    aFontSize;

public:
    SmFontNode(const SmToken &rNodeToken)
    :   SmStructureNode(NFONT, rNodeToken)
    {
        nSizeType = FNTSIZ_MULTIPLY;
        aFontSize = Fraction(1L);
    }

    void SetSizeParameter(const Fraction &rValue, USHORT nType);
    const Fraction & GetSizeParameter() const {return aFontSize;}
    const USHORT& GetSizeType() const {return nSizeType;}

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmMatrixNode : public SmStructureNode
{
    USHORT  nNumRows,
            nNumCols;

public:
    SmMatrixNode(const SmToken &rNodeToken)
    :   SmStructureNode(NMATRIX, rNodeToken)
    {
        nNumRows = nNumCols = 0;
    }

    USHORT GetNumRows() const {return nNumRows;}
    USHORT GetNumCols() const {return nNumCols;}
    void SetRowCol(USHORT nMatrixRows, USHORT nMatrixCols);

    using   SmNode::GetLeftMost;
    virtual SmNode * GetLeftMost();

    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
    void CreateTextFromNode(String &rText);
};


////////////////////////////////////////////////////////////////////////////////


class SmBlankNode : public SmGraphicNode
{
    USHORT  nNum;

public:
    SmBlankNode(const SmToken &rNodeToken)
    :   SmGraphicNode(NBLANK, rNodeToken)
    {
        nNum = 0;
    }

    void         IncreaseBy(const SmToken &rToken);
    void         Clear() { nNum = 0; }

    virtual void Prepare(const SmFormat &rFormat, const SmDocShell &rDocShell);
    virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
};


////////////////////////////////////////////////////////////////////////////////

#endif