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