This file is indexed.

/usr/include/vigra/copyimage.hxx is in libvigraimpex-dev 1.10.0+dfsg-3ubuntu2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
/************************************************************************/
/*                                                                      */
/*               Copyright 1998-2002 by Ullrich Koethe                  */
/*                                                                      */
/*    This file is part of the VIGRA computer vision library.           */
/*    The VIGRA Website is                                              */
/*        http://hci.iwr.uni-heidelberg.de/vigra/                       */
/*    Please direct questions, bug reports, and contributions to        */
/*        ullrich.koethe@iwr.uni-heidelberg.de    or                    */
/*        vigra@informatik.uni-hamburg.de                               */
/*                                                                      */
/*    Permission is hereby granted, free of charge, to any person       */
/*    obtaining a copy of this software and associated documentation    */
/*    files (the "Software"), to deal in the Software without           */
/*    restriction, including without limitation the rights to use,      */
/*    copy, modify, merge, publish, distribute, sublicense, and/or      */
/*    sell copies of the Software, and to permit persons to whom the    */
/*    Software is furnished to do so, subject to the following          */
/*    conditions:                                                       */
/*                                                                      */
/*    The above copyright notice and this permission notice shall be    */
/*    included in all copies or substantial portions of the             */
/*    Software.                                                         */
/*                                                                      */
/*    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND    */
/*    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES   */
/*    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND          */
/*    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT       */
/*    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,      */
/*    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING      */
/*    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR     */
/*    OTHER DEALINGS IN THE SOFTWARE.                                   */                
/*                                                                      */
/************************************************************************/
 
 
#ifndef VIGRA_COPYIMAGE_HXX
#define VIGRA_COPYIMAGE_HXX

#include "utilities.hxx"
#include "multi_shape.hxx"

namespace vigra {

/** \addtogroup CopyAlgo Algorithms to Copy Images
    Copy images or regions
*/
//@{

/********************************************************/
/*                                                      */
/*                       copyLine                       */
/*                                                      */
/********************************************************/

template <class SrcIterator, class SrcAccessor,
          class DestIterator, class DestAccessor>
void
copyLine(SrcIterator s, 
         SrcIterator send, SrcAccessor src,
         DestIterator d, DestAccessor dest)
{
    for(; s != send; ++s, ++d)
        dest.set(src(s), d);
}

template <class SrcIterator, class SrcAccessor,
          class MaskIterator, class MaskAccessor, 
          class DestIterator, class DestAccessor>
void
copyLineIf(SrcIterator s, 
           SrcIterator send, SrcAccessor src,
           MaskIterator m, MaskAccessor mask,
           DestIterator d, DestAccessor dest)
{
    for(; s != send; ++s, ++d, ++m)
        if(mask(m))
            dest.set(src(s), d);
}

template <class SrcIterator, class SrcAccessor,
          class DestIterator, class DestAccessor>
void
swapLine(SrcIterator s, 
         SrcIterator send, SrcAccessor src,
         DestIterator d, DestAccessor dest)
{
    for(; s != send; ++s, ++d)
    {
        typename SrcAccessor::value_type t = src(s);
        src.set(dest(d), s);
        dest.set(t, d);
    }
}

/********************************************************/
/*                                                      */
/*                        copyImage                     */
/*                                                      */
/********************************************************/

/** \brief Copy source image into destination image.

    If necessary, type conversion takes place.
    Some variants of this function use accessors to access the pixel data.
    
    See \ref copyMultiArray() for a dimension-independent version of this algorithm.
    
    <b> Declarations:</b>
    
    pass 2D array views:
    \code
    namespace vigra {
        template <class T1, class S1,
                  class T2, class S2>
        void
        copyImage(MultiArrayView<2, T1, S1> const & src,
                  MultiArrayView<2, T2, S2> dest);
    }
    \endcode
    
    pass \ref ImageIterators and \ref DataAccessors :
    \code
    namespace vigra {
        template <class SrcImageIterator, class SrcAccessor,
                  class DestImageIterator, class DestAccessor>
        void
        copyImage(SrcImageIterator src_upperleft, SrcImageIterator src_lowerright, SrcAccessor sa,
              DestImageIterator dest_upperleft, DestAccessor da)
    }
    \endcode
    use argument objects in conjunction with \ref ArgumentObjectFactories :
    \code
    namespace vigra {
        template <class SrcImageIterator, class SrcAccessor,
                  class DestImageIterator, class DestAccessor>
        void
        copyImage(triple<SrcImageIterator, SrcImageIterator, SrcAccessor> src,
                  pair<DestImageIterator, DestAccessor> dest)
    }
    \endcode
    
    <b> Usage:</b>
    
    <b>\#include</b> \<vigra/copyimage.hxx\><br>
    Namespace: vigra

    Use MultiArrayView API:
    \code
    MultiArray<2, int> src(Shape2(100, 200)),
                       dest(Shape2(100, 200));
    ...
    
    copyImage(src, dest);
    
    // equivalent to
    dest = src;
    \endcode

    Use iterator-based API with accessor:
    \code
    MultiArray<2, RGBValue<unsigned char> > src(Shape2(100, 200)),
    MultiArray<2, float>                    dest(Shape2(100, 200));
    
    // convert RGB to gray values in the fly
    copyImage(srcImageRange(src, RGBToGrayAccessor<RGBValue<unsigned char> >()), 
              destImage(dest));
    \endcode
    
    <b> Required Interface:</b>
    
    \code
    SrcImageIterator src_upperleft, src_lowerright;
    DestImageIterator      dest_upperleft;
    SrcImageIterator::row_iterator sx = src_upperleft.rowIterator();
    DestImageIterator::row_iterator dx = dest_upperleft.rowIterator();
    
    SrcAccessor src_accessor;
    DestAccessor dest_accessor;

    dest_accessor.set(src_accessor(sx), dx);
    \endcode
*/
doxygen_overloaded_function(template <...> void copyImage)

template <class SrcImageIterator, class SrcAccessor,
          class DestImageIterator, class DestAccessor>
void
copyImage(SrcImageIterator src_upperleft, 
          SrcImageIterator src_lowerright, SrcAccessor sa,
          DestImageIterator dest_upperleft, DestAccessor da)
{
    int w = src_lowerright.x - src_upperleft.x;
    
    for(; src_upperleft.y<src_lowerright.y; ++src_upperleft.y, ++dest_upperleft.y)
    {
        copyLine(src_upperleft.rowIterator(), 
                 src_upperleft.rowIterator() + w, sa, 
                 dest_upperleft.rowIterator(), da);
    }
}
    
template <class SrcImageIterator, class SrcAccessor,
          class DestImageIterator, class DestAccessor>
inline
void
copyImage(triple<SrcImageIterator, SrcImageIterator, SrcAccessor> src,
          pair<DestImageIterator, DestAccessor> dest)
{
    copyImage(src.first, src.second, src.third, 
              dest.first, dest.second);
}

template <class T1, class S1,
          class T2, class S2>
inline void
copyImage(MultiArrayView<2, T1, S1> const & src,
          MultiArrayView<2, T2, S2> dest)
{
    vigra_precondition(src.shape() == dest.shape(),
        "copyImage(): shape mismatch between input and output.");
    copyImage(srcImageRange(src), destImage(dest));
}

template <class SrcImageIterator, class SrcAccessor,
          class DestImageIterator, class DestAccessor>
void
swapImageData(SrcImageIterator src_upperleft, 
              SrcImageIterator src_lowerright, SrcAccessor sa,
              DestImageIterator dest_upperleft, DestAccessor da)
{
    int w = src_lowerright.x - src_upperleft.x;
    
    for(; src_upperleft.y<src_lowerright.y; ++src_upperleft.y, ++dest_upperleft.y)
    {
        swapLine(src_upperleft.rowIterator(), 
                 src_upperleft.rowIterator() + w, sa, 
                 dest_upperleft.rowIterator(), da);
    }
}
    
template <class SrcImageIterator, class SrcAccessor,
          class DestImageIterator, class DestAccessor>
inline
void
swapImageData(triple<SrcImageIterator, SrcImageIterator, SrcAccessor> src,
              pair<DestImageIterator, DestAccessor> dest)
{
    swapImageData(src.first, src.second, src.third, 
                  dest.first, dest.second);
}

template <class T1, class S1,
          class T2, class S2>
inline
void
swapImageData(MultiArrayView<2, T1, S1> const & src,
              MultiArrayView<2, T2, S2> dest)
{
    vigra_precondition(src.shape() == dest.shape(),
        "swapImageData(): shape mismatch between input and output.");
    swapImageData(srcImageRange(src), destImage(dest));
}

/********************************************************/
/*                                                      */
/*                       copyImageIf                    */
/*                                                      */
/********************************************************/

/** \brief Copy source ROI into destination image.

    Pixel values are copied whenever the return value of the mask's
    accessor is not zero.
    If necessary, type conversion takes place.
    Some variants of this function use accessors to access the pixel data.
    
    <b> Declarations:</b>
    
    pass 2D array views:
    \code
    namespace vigra {
        template <class T1, class S1,
                  class TM, class SM,
                  class T2, class S2>
        void
        copyImageIf(MultiArrayView<2, T1, S1> const & src,
                    MultiArrayView<2, TM, SM> const & mask,
                    MultiArrayView<2, T2, S2> dest);
    }
    \endcode
    
    pass \ref ImageIterators and \ref DataAccessors :
    \code
    namespace vigra {
        template <class SrcImageIterator, class SrcAccessor,
              class MaskImageIterator, class MaskAccessor,
              class DestImageIterator, clas DestAccessor>
        void
        copyImageIf(SrcImageIterator src_upperleft, 
            SrcImageIterator src_lowerright, SrcAccessor sa,
            MaskImageIterator mask_upperleft, MaskAccessor ma,
            DestImageIterator dest_upperleft, DestAccessor da)
    }
    \endcode
    use argument objects in conjunction with \ref ArgumentObjectFactories :
    \code
    namespace vigra {
        template <class SrcImageIterator, class SrcAccessor,
              class MaskImageIterator, class MaskAccessor,
              class DestImageIterator, clas DestAccessor>
        void
        copyImageIf(triple<SrcImageIterator, SrcImageIterator, SrcAccessor> src,
            pair<MaskImageIterator, MaskAccessor> mask,
            pair<DestImageIterator, DestAccessor> dest)
    }
    \endcode
    
    <b> Usage:</b>
    
    <b>\#include</b> \<vigra/copyimage.hxx\><br>
    Namespace: vigra

    Use MultiArrayView API:
    \code
    MultiArray<2, int> src(Shape2(100, 200)),
                       mask(Shape2(100, 200)),
                       dest(Shape2(100, 200));
    ...
    
    copyImageIf(src, mask, dest);
    \endcode

    Use iterator-based API with accessor:
    \code
    MultiArray<2, RGBValue<unsigned char> > src(Shape2(100, 200)),
    MultiArray<2, unsigned char>            mask(Shape2(100, 200));
    MultiArray<2, float>                    dest(Shape2(100, 200));
    
    // convert RGB to gray values in the fly
    copyImageIf(srcImageRange(src, RGBToGrayAccessor<RGBValue<unsigned char> >()), 
                maskImage(mask), destImage(dest));
    \endcode

    <b> Required Interface:</b>

    \code
    SrcImageIterator src_upperleft, src_lowerright;
    DestImageIterator dest_upperleft;
    MaskImageIterator mask_upperleft;
    SrcImageIterator::row_iterator sx = src_upperleft.rowIterator();
    MaskImageIterator::row_iterator mx = mask_upperleft.rowIterator();
    DestImageIterator::row_iterator dx = dest_upperleft.rowIterator();
    
    SrcAccessor src_accessor;
    DestAccessor dest_accessor;
    MaskAccessor mask_accessor;
    Functor functor;
    
    if(mask_accessor(mx))
        dest_accessor.set(src_accessor(sx), dx);

    \endcode
*/
doxygen_overloaded_function(template <...> void copyImageIf)

template <class SrcImageIterator, class SrcAccessor,
          class MaskImageIterator, class MaskAccessor,
          class DestImageIterator, class DestAccessor>
void
copyImageIf(SrcImageIterator src_upperleft, 
            SrcImageIterator src_lowerright, SrcAccessor sa,
            MaskImageIterator mask_upperleft, MaskAccessor ma,
        DestImageIterator dest_upperleft, DestAccessor da)
{
    int w = src_lowerright.x - src_upperleft.x;
    
    for(; src_upperleft.y<src_lowerright.y; 
             ++src_upperleft.y, ++mask_upperleft.y, ++dest_upperleft.y)
    {
        copyLineIf(src_upperleft.rowIterator(), 
                   src_upperleft.rowIterator() + w, sa, 
                   mask_upperleft.rowIterator(), ma, 
                   dest_upperleft.rowIterator(), da);
    }
}

template <class SrcImageIterator, class SrcAccessor,
          class MaskImageIterator, class MaskAccessor,
          class DestImageIterator, class DestAccessor>
inline
void
copyImageIf(triple<SrcImageIterator, SrcImageIterator, SrcAccessor> src,
            pair<MaskImageIterator, MaskAccessor> mask,
            pair<DestImageIterator, DestAccessor> dest)
{
    copyImageIf(src.first, src.second, src.third, 
                mask.first, mask.second, 
                dest.first, dest.second);
}

template <class T1, class S1,
          class TM, class SM,
          class T2, class S2>
inline void
copyImageIf(MultiArrayView<2, T1, S1> const & src,
            MultiArrayView<2, TM, SM> const & mask,
            MultiArrayView<2, T2, S2> dest)
{
    vigra_precondition(src.shape() == mask.shape() && src.shape() == dest.shape(),
        "copyImageIf(): shape mismatch between input and output.");
    copyImageIf(srcImageRange(src), 
                maskImage(mask), 
                destImage(dest));
}

//@}

} // namespace vigra

#endif // VIGRA_COPYIMAGE_HXX