filter/source/graphicfilter/idxf/dxfentrd.hxx

   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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   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 #ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFENTRD_HXX
  21 #define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFENTRD_HXX
  22
  23 #include "dxfgrprd.hxx"
  24 #include "dxfvec.hxx"
  25 #include <tools/long.hxx>
  26
  27 #include <memory>
  28 #include <vector>
  29
  30 enum DXFEntityType {
  31     DXF_LINE,
  32     DXF_POINT,
  33     DXF_CIRCLE,
  34     DXF_ARC,
  35     DXF_TRACE,
  36     DXF_SOLID,
  37     DXF_TEXT,
  38     DXF_SHAPE,
  39     DXF_INSERT,
  40     DXF_ATTDEF,
  41     DXF_ATTRIB,
  42     DXF_POLYLINE,
  43     DXF_VERTEX,
  44     DXF_SEQEND,
  45     DXF_3DFACE,
  46     DXF_DIMENSION,
  47     DXF_LWPOLYLINE,
  48     DXF_HATCH
  49 };
  50
  51 // base class of an entity
  52
  53 class DXFBasicEntity {
  54
  55 public:
  56
  57     DXFBasicEntity * pSucc;
  58         // pointer to next entity (in the list of DXFEntities.pFirst)
  59
  60     DXFEntityType eType;
  61         // entity kind (line or circle or what)
  62
  63     // properties that all entities have, each
  64     // commented with group codes:
  65     OString m_sLayer;                     //  8
  66     OString m_sLineType;                  //  6
  67     double fThickness;                    // 39
  68     tools::Long nColor;                          // 62
  69     tools::Long nSpace;                          // 67
  70     DXFVector aExtrusion;                 // 210,220,230
  71
  72 protected:
  73
  74     DXFBasicEntity(DXFEntityType eThisType);
  75         // always initialize the constructors of entities with default values
  76
  77 public:
  78
  79     virtual ~DXFBasicEntity();
  80     void Read(DXFGroupReader & rDGR);
  81         // Reads a parameter till the next 0-group
  82
  83 protected:
  84
  85     virtual void EvaluateGroup(DXFGroupReader & rDGR);
  86         // This method will be called by Read() for every parameter (respectively
  87         // for every group).
  88         // As far as the group code of the entity is known, the corresponding
  89         // parameter is fetched.
  90
  91 };
  92
  93
  94 // the different kinds of entities
  95
  96 class DXFLineEntity : public DXFBasicEntity {
  97
  98 public:
  99
 100     DXFVector aP0; // 10,20,30
 101     DXFVector aP1; // 11,21,31
 102
 103     DXFLineEntity();
 104
 105 protected:
 106
 107     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 108 };
 109
 110 class DXFPointEntity : public DXFBasicEntity {
 111
 112 public:
 113
 114     DXFVector aP0; // 10,20,30
 115
 116     DXFPointEntity();
 117
 118 protected:
 119
 120     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 121 };
 122
 123 class DXFCircleEntity : public DXFBasicEntity {
 124
 125 public:
 126
 127     DXFVector aP0;  // 10,20,30
 128     double fRadius; // 40
 129
 130     DXFCircleEntity();
 131
 132 protected:
 133
 134     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 135 };
 136
 137 class DXFArcEntity : public DXFBasicEntity {
 138
 139 public:
 140
 141     DXFVector aP0;  // 10,20,30
 142     double fRadius; // 40
 143     double fStart;  // 50
 144     double fEnd;    // 51
 145
 146     DXFArcEntity();
 147
 148 protected:
 149
 150     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 151 };
 152
 153 class DXFTraceEntity : public DXFBasicEntity {
 154
 155 public:
 156
 157     DXFVector aP0; // 10,20,30
 158     DXFVector aP1; // 11,21,31
 159     DXFVector aP2; // 12,22,32
 160     DXFVector aP3; // 13,23,33
 161
 162     DXFTraceEntity();
 163
 164 protected:
 165
 166     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 167 };
 168
 169 class DXFSolidEntity : public DXFBasicEntity {
 170
 171 public:
 172
 173     DXFVector aP0; // 10,20,30
 174     DXFVector aP1; // 11,21,31
 175     DXFVector aP2; // 12,22,32
 176     DXFVector aP3; // 13,23,33
 177
 178     DXFSolidEntity();
 179
 180 protected:
 181
 182     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 183 };
 184
 185 class DXFTextEntity : public DXFBasicEntity {
 186
 187 public:
 188
 189     DXFVector aP0;                     // 10,20,30
 190     double fHeight;                    // 40
 191     OString m_sText;                   //  1
 192     double fRotAngle;                  // 50
 193     double fXScale;                    // 41
 194     double fOblAngle;                  // 42
 195     OString m_sStyle;                  //  7
 196     tools::Long nGenFlags;                    // 71
 197     tools::Long nHorzJust;                    // 72
 198     tools::Long nVertJust;                    // 73
 199     DXFVector aAlign;                  // 11,21,31
 200
 201     DXFTextEntity();
 202
 203 protected:
 204
 205     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 206 };
 207
 208 class DXFShapeEntity : public DXFBasicEntity {
 209
 210     DXFVector aP0;                    // 10,20,30
 211     double fSize;                     // 40
 212     OString m_sName;                  //  2
 213     double fRotAngle;                 // 50
 214     double fXScale;                   // 41
 215     double fOblAngle;                 // 51
 216
 217 public:
 218
 219     DXFShapeEntity();
 220
 221 protected:
 222
 223     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 224 };
 225
 226 class DXFInsertEntity : public DXFBasicEntity {
 227
 228 public:
 229
 230     tools::Long nAttrFlag;                   // 66
 231     OString m_sName;                  //  2
 232     DXFVector aP0;                    // 10,20,30
 233     double fXScale;                   // 41
 234     double fYScale;                   // 42
 235     double fZScale;                   // 43
 236     double fRotAngle;                 // 50
 237     tools::Long nColCount;                   // 70
 238     tools::Long nRowCount;                   // 71
 239     double fColSpace;                 // 44
 240     double fRowSpace;                 // 45
 241
 242     DXFInsertEntity();
 243
 244 protected:
 245
 246     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 247 };
 248
 249 class DXFAttDefEntity : public DXFBasicEntity {
 250
 251     DXFVector aP0;                      // 10,20,30
 252     double fHeight;                     // 40
 253     OString m_sDefVal;                  //  1
 254     OString m_sPrompt;                  //  3
 255     OString m_sTagStr;                  //  2
 256     tools::Long nAttrFlags;                    // 70
 257     tools::Long nFieldLen;                     // 73
 258     double fRotAngle;                   // 50
 259     double fXScale;                     // 41
 260     double fOblAngle;                   // 51
 261     OString m_sStyle;                   //  7
 262     tools::Long nGenFlags;                     // 71
 263     tools::Long nHorzJust;                     // 72
 264     tools::Long nVertJust;                     // 74
 265     DXFVector aAlign;                   // 11,21,31
 266
 267 public:
 268
 269     DXFAttDefEntity();
 270
 271 protected:
 272
 273     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 274 };
 275
 276 class DXFAttribEntity : public DXFBasicEntity {
 277
 278 public:
 279
 280     DXFVector aP0;                      // 10,20,30
 281     double fHeight;                     // 40
 282     OString m_sText;                    //  1
 283     OString m_sTagStr;                  //  2
 284     tools::Long nAttrFlags;                    // 70
 285     tools::Long nFieldLen;                     // 73
 286     double fRotAngle;                   // 50
 287     double fXScale;                     // 41
 288     double fOblAngle;                   // 51
 289     OString m_sStyle;                   //  7
 290     tools::Long nGenFlags;                     // 71
 291     tools::Long nHorzJust;                     // 72
 292     tools::Long nVertJust;                     // 74
 293     DXFVector aAlign;                   // 11,21,31
 294
 295     DXFAttribEntity();
 296
 297 protected:
 298
 299     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 300 };
 301
 302 class DXFPolyLineEntity : public DXFBasicEntity {
 303
 304 public:
 305
 306     tools::Long nFlags;       // 70
 307     double fSWidth;    // 40
 308     double fEWidth;    // 41
 309     tools::Long nMeshMCount;  // 71
 310     tools::Long nMeshNCount;  // 72
 311     tools::Long nMDensity;    // 73
 312     tools::Long nNDensity;    // 74
 313     tools::Long nCSSType;     // 75
 314
 315     DXFPolyLineEntity();
 316
 317 protected:
 318
 319     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 320 };
 321
 322 class DXFLWPolyLineEntity : public DXFBasicEntity
 323 {
 324         sal_Int32   nIndex;
 325         sal_Int32   nCount;         // 90
 326
 327     public:
 328
 329         sal_Int32   nFlags;         // 70   1 = closed, 128 = plinegen
 330         double      fConstantWidth; // 43   (optional - default: 0, not used if fStartWidth and/or fEndWidth is used)
 331         double      fStartWidth;    // 40
 332         double      fEndWidth;      // 41
 333
 334         std::vector<DXFVector>  aP;
 335
 336         DXFLWPolyLineEntity();
 337
 338     protected:
 339
 340         virtual void EvaluateGroup( DXFGroupReader & rDGR ) override;
 341
 342 };
 343
 344 struct DXFEdgeType
 345 {
 346     sal_Int32 nEdgeType;
 347
 348     virtual ~DXFEdgeType(){};
 349     virtual bool EvaluateGroup( DXFGroupReader & /*rDGR*/ ){ return true; };
 350
 351     protected:
 352
 353         DXFEdgeType( sal_Int32 EdgeType ):nEdgeType(EdgeType){};
 354 };
 355
 356 struct DXFEdgeTypeLine : public DXFEdgeType
 357 {
 358     DXFVector aStartPoint;              // 10,20
 359     DXFVector aEndPoint;                // 11,21
 360     DXFEdgeTypeLine();
 361     virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
 362 };
 363
 364 struct DXFEdgeTypeCircularArc : public DXFEdgeType
 365 {
 366     DXFVector aCenter;                  // 10,20
 367     double    fRadius;                  // 40
 368     double    fStartAngle;              // 50
 369     double    fEndAngle;                // 51
 370     sal_Int32 nIsCounterClockwiseFlag;  // 73
 371     DXFEdgeTypeCircularArc();
 372     virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
 373 };
 374
 375 struct DXFEdgeTypeEllipticalArc : public DXFEdgeType
 376 {
 377     DXFVector aCenter;                  // 10,20
 378     DXFVector aEndPoint;                // 11,21
 379     double    fLength;                  // 40
 380     double    fStartAngle;              // 50
 381     double    fEndAngle;                // 51
 382     sal_Int32 nIsCounterClockwiseFlag;  // 73
 383
 384     DXFEdgeTypeEllipticalArc();
 385     virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
 386 };
 387
 388 struct DXFEdgeTypeSpline : public DXFEdgeType
 389 {
 390     sal_Int32 nDegree;                  // 94
 391     sal_Int32 nRational;                // 73
 392     sal_Int32 nPeriodic;                // 74
 393     sal_Int32 nKnotCount;               // 75
 394     sal_Int32 nControlCount;            // 76
 395
 396     DXFEdgeTypeSpline();
 397     virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
 398 };
 399
 400 struct DXFBoundaryPathData
 401 {
 402 private:
 403     sal_Int32           nPointCount;            // 93
 404 public:
 405     sal_Int32           nFlags;                 // 92
 406     sal_Int32           nHasBulgeFlag;          // 72
 407     sal_Int32           nIsClosedFlag;          // 73
 408     double              fBulge;                 // 42
 409     sal_Int32           nSourceBoundaryObjects; // 97
 410     sal_Int32           nEdgeCount;             // 93
 411
 412     bool                bIsPolyLine;
 413     sal_Int32           nPointIndex;
 414
 415     std::vector<DXFVector> aP;
 416     std::vector<std::unique_ptr<DXFEdgeType>> aEdges;
 417
 418     DXFBoundaryPathData();
 419     ~DXFBoundaryPathData();
 420
 421     bool EvaluateGroup( DXFGroupReader & rDGR );
 422 };
 423
 424 class DXFHatchEntity : public DXFBasicEntity
 425 {
 426         bool    bIsInBoundaryPathContext;
 427         sal_Int32   nCurrentBoundaryPathIndex;
 428
 429     public:
 430
 431         sal_Int32   nFlags;                         // 70 (solid fill = 1, pattern fill = 0)
 432         sal_Int32   nAssociativityFlag;             // 71 (associative = 1, non-associative = 0)
 433         sal_Int32   nBoundaryPathCount;             // 91
 434         sal_Int32   nHatchStyle;                    // 75 (odd parity = 0, outmost area = 1, entire area = 2 )
 435         sal_Int32   nHatchPatternType;              // 76 (user defined = 0, predefined = 1, custom = 2)
 436         double      fHatchPatternAngle;             // 52 (pattern fill only)
 437         double      fHatchPatternScale;             // 41 (pattern fill only:scale or spacing)
 438         sal_Int32   nHatchDoubleFlag;               // 77 (pattern fill only:double = 1, not double = 0)
 439         sal_Int32   nHatchPatternDefinitionLines;   // 78
 440         double      fPixelSize;                     // 47
 441         sal_Int32   nNumberOfSeedPoints;            // 98
 442
 443         std::unique_ptr<DXFBoundaryPathData[]> pBoundaryPathData;
 444
 445         DXFHatchEntity();
 446
 447     protected:
 448
 449         virtual void EvaluateGroup( DXFGroupReader & rDGR ) override;
 450 };
 451
 452 class DXFVertexEntity : public DXFBasicEntity {
 453
 454 public:
 455
 456     DXFVector aP0;     // 10,20,30
 457     double fSWidth;    // 40 (if <0.0, then one has DXFPolyLine::fSWidth)
 458     double fEWidth;    // 41 (if <0.0, then one has DXFPolyLine::fEWidth)
 459     double fBulge;     // 42
 460     tools::Long nFlags;       // 70
 461     double fCFTDir;    // 50
 462
 463     DXFVertexEntity();
 464
 465 protected:
 466
 467     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 468 };
 469
 470 class DXFSeqEndEntity : public DXFBasicEntity {
 471
 472 public:
 473
 474     DXFSeqEndEntity();
 475 };
 476
 477 class DXF3DFaceEntity : public DXFBasicEntity {
 478
 479 public:
 480
 481     DXFVector aP0; // 10,20,30
 482     DXFVector aP1; // 11,21,31
 483     DXFVector aP2; // 12,22,32
 484     DXFVector aP3; // 13,23,33
 485     tools::Long nIEFlags; // 70
 486
 487     DXF3DFaceEntity();
 488
 489 protected:
 490
 491     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 492 };
 493
 494 class DXFDimensionEntity : public DXFBasicEntity {
 495
 496 public:
 497
 498     OString m_sPseudoBlock;                  //  2
 499
 500     DXFDimensionEntity();
 501
 502 protected:
 503
 504     virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
 505 };
 506
 507
 508 // read and represent the set of entities
 509 class DXFEntities {
 510
 511 public:
 512
 513     DXFEntities()
 514         : pFirst(nullptr)
 515         , mbBeingDrawn(false)
 516     {
 517     }
 518
 519     ~DXFEntities()
 520     {
 521         Clear();
 522     }
 523
 524     DXFBasicEntity * pFirst; // list of entities, READ ONLY!
 525     mutable bool mbBeingDrawn; // guard for loop in entity parsing
 526
 527     void Read(DXFGroupReader & rDGR);
 528         // read entities by rGDR of a DXF file until a
 529         // ENDBLK, ENDSEC or EOF (of group 0).
 530         // (all unknown thing will be skipped)
 531
 532     void Clear();
 533         // deletes all entities
 534 };
 535
 536 #endif
 537
 538
 539 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */