summaryrefslogtreecommitdiff
path: root/basegfx/inc/basegfx/tuple/b3dtuple.hxx
blob: 2098433a2af3d0fd4889964d17067b90fdf270e0 (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
/*************************************************************************
 *
 *  $RCSfile: b3dtuple.hxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: aw $ $Date: 2003-11-05 12:25:46 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library 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 for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _BGFX_TUPLE_B3DTUPLE_HXX
#define _BGFX_TUPLE_B3DTUPLE_HXX

#ifndef _BGFX_NUMERIC_FTOOLS_HXX
#include <basegfx/numeric/ftools.hxx>
#endif

namespace basegfx
{
    namespace tuple
    {
        /** Base class for all Points/Vectors with three double values

            This class provides all methods common to Point
            avd Vector classes which are derived from here.

            @derive Use this class to implement Points or Vectors
            which are based on three double values
        */
        class B3DTuple
        {
        private:
            static B3DTuple                             maEmptyTuple;

        protected:
            double                                      mfX;
            double                                      mfY;
            double                                      mfZ;

        public:
            /** Create a 3D Tuple

                @param fVal
                This parameter is used to initialize the coordinate
                part of the 3D Tuple.
            */
            B3DTuple(double fVal = 0.0)
            :   mfX(fVal),
                mfY(fVal),
                mfZ(fVal)
            {}

            /** Create a 3D Tuple

                @param fX
                This parameter is used to initialize the X-coordinate
                of the 3D Tuple.

                @param fY
                This parameter is used to initialize the Y-coordinate
                of the 3D Tuple.

                @param fZ
                This parameter is used to initialize the Z-coordinate
                of the 3D Tuple.
            */
            B3DTuple(double fX, double fY, double fZ)
            :   mfX(fX),
                mfY(fY),
                mfZ(fZ)
            {}

            /** Create a copy of a 3D Tuple

                @param rTup
                The 3D Tuple which will be copied.
            */
            B3DTuple(const B3DTuple& rTup)
            :   mfX( rTup.mfX ),
                mfY( rTup.mfY ),
                mfZ( rTup.mfZ )
            {}

            ~B3DTuple()
            {}

            /// get X-Coordinate of 3D Tuple
            double getX() const
            {
                return mfX;
            }

            /// get Y-Coordinate of 3D Tuple
            double getY() const
            {
                return mfY;
            }

            /// get Z-Coordinate of 3D Tuple
            double getZ() const
            {
                return mfZ;
            }

            /// set X-Coordinate of 3D Tuple
            void setX(double fX)
            {
                mfX = fX;
            }

            /// set Y-Coordinate of 3D Tuple
            void setY(double fY)
            {
                mfY = fY;
            }

            /// set Z-Coordinate of 3D Tuple
            void setZ(double fZ)
            {
                mfZ = fZ;
            }

            /// Array-access to 3D Tuple
            const double& operator[] (int nPos) const
            {
                // Here, normally two if(...)'s should be used. In the assumption that
                // both double members can be accessed as an array a shortcut is used here.
                // if(0 == nPos) return mfX; if(1 == nPos) return mfY; return mfZ;
                return *((&mfX) + nPos);
            }

            /// Array-access to 3D Tuple
            double& operator[] (int nPos)
            {
                // Here, normally two if(...)'s should be used. In the assumption that
                // both double members can be accessed as an array a shortcut is used here.
                // if(0 == nPos) return mfX; if(1 == nPos) return mfY; return mfZ;
                return *((&mfX) + nPos);
            }

            // comparators with tolerance
            //////////////////////////////////////////////////////////////////////

            sal_Bool EqualZero() const
            {
                return (this == &maEmptyTuple ||
                    (::basegfx::numeric::fTools::equalZero(mfX) && ::basegfx::numeric::fTools::equalZero(mfY) && ::basegfx::numeric::fTools::equalZero(mfZ)));
            }

            sal_Bool EqualZero(const double& rfSmallValue) const
            {
                return (this == &maEmptyTuple ||
                    (::basegfx::numeric::fTools::equalZero(mfX, rfSmallValue)
                    && ::basegfx::numeric::fTools::equalZero(mfY, rfSmallValue)
                    && ::basegfx::numeric::fTools::equalZero(mfZ, rfSmallValue)));
            }

            sal_Bool Equal(const B3DTuple& rTup) const
            {
                return (
                    ::basegfx::numeric::fTools::equal(mfX, rTup.mfX) &&
                    ::basegfx::numeric::fTools::equal(mfY, rTup.mfY) &&
                    ::basegfx::numeric::fTools::equal(mfZ, rTup.mfZ));
            }

            sal_Bool Equal(const B3DTuple& rTup, const double& rfSmallValue) const
            {
                return (
                    ::basegfx::numeric::fTools::equal(mfX, rTup.mfX, rfSmallValue) &&
                    ::basegfx::numeric::fTools::equal(mfY, rTup.mfY, rfSmallValue) &&
                    ::basegfx::numeric::fTools::equal(mfZ, rTup.mfZ, rfSmallValue));
            }

            // operators
            //////////////////////////////////////////////////////////////////////

            B3DTuple& operator+=( const B3DTuple& rTup )
            {
                mfX += rTup.mfX;
                mfY += rTup.mfY;
                mfZ += rTup.mfZ;
                return *this;
            }

            B3DTuple& operator-=( const B3DTuple& rTup )
            {
                mfX -= rTup.mfX;
                mfY -= rTup.mfY;
                mfZ -= rTup.mfZ;
                return *this;
            }

            B3DTuple& operator/=( const B3DTuple& rTup )
            {
                mfX /= rTup.mfX;
                mfY /= rTup.mfY;
                mfZ /= rTup.mfZ;
                return *this;
            }

            B3DTuple& operator*=( const B3DTuple& rTup )
            {
                mfX *= rTup.mfX;
                mfY *= rTup.mfY;
                mfZ *= rTup.mfZ;
                return *this;
            }

            B3DTuple& operator*=(double t)
            {
                mfX *= t;
                mfY *= t;
                mfZ *= t;
                return *this;
            }

            B3DTuple& operator/=(double t)
            {
                const double fVal(1.0 / t);
                mfX *= t;
                mfY *= t;
                mfZ *= t;
                return *this;
            }

            B3DTuple operator-(void) const
            {
                return B3DTuple(-mfX, -mfY, -mfZ);
            }

            sal_Bool operator==( const B3DTuple& rTup ) const
            {
                return Equal(rTup);
            }

            sal_Bool operator!=( const B3DTuple& rTup ) const
            {
                return !Equal(rTup);
            }

            B3DTuple& operator=( const B3DTuple& rTup )
            {
                mfX = rTup.mfX;
                mfY = rTup.mfY;
                mfZ = rTup.mfZ;
                return *this;
            }

            void correctValues(const double fCompareValue = 0.0)
            {
                if(0.0 == fCompareValue)
                {
                    if(::basegfx::numeric::fTools::equalZero(mfX))
                    {
                        mfX = 0.0;
                    }

                    if(::basegfx::numeric::fTools::equalZero(mfY))
                    {
                        mfY = 0.0;
                    }

                    if(::basegfx::numeric::fTools::equalZero(mfZ))
                    {
                        mfZ = 0.0;
                    }
                }
                else
                {
                    if(::basegfx::numeric::fTools::equal(mfX, fCompareValue))
                    {
                        mfX = fCompareValue;
                    }

                    if(::basegfx::numeric::fTools::equal(mfY, fCompareValue))
                    {
                        mfY = fCompareValue;
                    }

                    if(::basegfx::numeric::fTools::equal(mfZ, fCompareValue))
                    {
                        mfZ = fCompareValue;
                    }
                }
            }

            static const B3DTuple& getEmptyTuple()
            {
                return maEmptyTuple;
            }
        };

        // external operators
        //////////////////////////////////////////////////////////////////////////

        inline B3DTuple min(const B3DTuple& rTupA, const B3DTuple& rTupB)
        {
            B3DTuple aMin(
                (rTupB.getX() < rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
                (rTupB.getY() < rTupA.getY()) ? rTupB.getY() : rTupA.getY(),
                (rTupB.getZ() < rTupA.getZ()) ? rTupB.getZ() : rTupA.getZ());
            return aMin;
        }

        inline B3DTuple max(const B3DTuple& rTupA, const B3DTuple& rTupB)
        {
            B3DTuple aMax(
                (rTupB.getX() > rTupA.getX()) ? rTupB.getX() : rTupA.getX(),
                (rTupB.getY() > rTupA.getY()) ? rTupB.getY() : rTupA.getY(),
                (rTupB.getZ() > rTupA.getZ()) ? rTupB.getZ() : rTupA.getZ());
            return aMax;
        }

        inline B3DTuple abs(const B3DTuple& rTup)
        {
            B3DTuple aAbs(
                (0.0 > rTup.getX()) ? -rTup.getX() : rTup.getX(),
                (0.0 > rTup.getY()) ? -rTup.getY() : rTup.getY(),
                (0.0 > rTup.getZ()) ? -rTup.getZ() : rTup.getZ());
            return aAbs;
        }

        inline B3DTuple interpolate(const B3DTuple& rOld1, const B3DTuple& rOld2, double t)
        {
            B3DTuple aInt(
                ((rOld2.getX() - rOld1.getX()) + t) + rOld1.getX(),
                ((rOld2.getY() - rOld1.getY()) + t) + rOld1.getY(),
                ((rOld2.getZ() - rOld1.getZ()) + t) + rOld1.getZ());
            return aInt;
        }

        inline B3DTuple average(const B3DTuple& rOld1, const B3DTuple& rOld2)
        {
            B3DTuple aAvg(
                (rOld1.getX() + rOld2.getX()) * 0.5,
                (rOld1.getY() + rOld2.getY()) * 0.5,
                (rOld1.getZ() + rOld2.getZ()) * 0.5);
            return aAvg;
        }

        inline B3DTuple average(const B3DTuple& rOld1, const B3DTuple& rOld2, const B3DTuple& rOld3)
        {
            B3DTuple aAvg(
                (rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0),
                (rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0),
                (rOld1.getZ() + rOld2.getZ() + rOld3.getZ()) * (1.0 / 3.0));
            return aAvg;
        }

        inline B3DTuple operator+(const B3DTuple& rTupA, const B3DTuple& rTupB)
        {
            B3DTuple aSum(rTupA);
            aSum += rTupB;
            return aSum;
        }

        inline B3DTuple operator-(const B3DTuple& rTupA, const B3DTuple& rTupB)
        {
            B3DTuple aSub(rTupA);
            aSub -= rTupB;
            return aSub;
        }

        inline B3DTuple operator/(const B3DTuple& rTupA, const B3DTuple& rTupB)
        {
            B3DTuple aDiv(rTupA);
            aDiv /= rTupB;
            return aDiv;
        }

        inline B3DTuple operator*(const B3DTuple& rTupA, const B3DTuple& rTupB)
        {
            B3DTuple aMul(rTupA);
            aMul *= rTupB;
            return aMul;
        }

        inline B3DTuple operator*(const B3DTuple& rTup, double t)
        {
            B3DTuple aNew(rTup);
            aNew *= t;
            return aNew;
        }

        inline B3DTuple operator*(double t, const B3DTuple& rTup)
        {
            B3DTuple aNew(rTup);
            aNew *= t;
            return aNew;
        }

        inline B3DTuple operator/(const B3DTuple& rTup, double t)
        {
            B3DTuple aNew(rTup);
            aNew /= t;
            return aNew;
        }

        inline B3DTuple operator/(double t, const B3DTuple& rTup)
        {
            B3DTuple aNew(rTup);
            aNew /= t;
            return aNew;
        }
    } // end of namespace tuple
} // end of namespace basegfx

#endif // _BGFX_TUPLE_B3DTUPLE_HXX