DGtal  0.9.2
ImageHelper.h
1 
17 #pragma once
18 
31 #if defined(ImageHelper_RECURSES)
32 #error Recursive header files inclusion detected in ImageHelper.h
33 #else // defined(ImageHelper_RECURSES)
34 
35 #define ImageHelper_RECURSES
36 
37 #if !defined ImageHelper_h
38 
39 #define ImageHelper_h
40 
42 // Inclusions
43 #include <iostream>
44 #include <algorithm>
45 #include <functional>
46 
47 #include "DGtal/base/Common.h"
48 #include "DGtal/base/BasicFunctors.h"
49 #include "DGtal/base/CConstSinglePassRange.h"
50 #include "DGtal/kernel/BasicPointPredicates.h"
51 #include "DGtal/kernel/CPointFunctor.h"
52 #include "DGtal/kernel/CPointPredicate.h"
53 #include "DGtal/kernel/domains/CDomain.h"
54 #include "DGtal/images/CConstImage.h"
55 #include "DGtal/images/ConstImageAdapter.h"
56 #include "DGtal/images/CImage.h"
57 #include "DGtal/base/CQuantity.h"
58 #include "DGtal/images/ImageContainerBySTLMap.h"
59 #include "DGtal/images/SetValueIterator.h"
60 #include "DGtal/kernel/sets/DigitalSetFromMap.h"
61 #include "DGtal/kernel/sets/CDigitalSet.h"
62 #include "DGtal/kernel/NumberTraits.h"
63 #include "DGtal/base/ConstAlias.h"
64 
66 
67 namespace DGtal
68 {
69 
71 
85  template<typename I, typename O, typename P>
86  void setFromPointsRangeAndPredicate(const I& itb, const I& ite, const O& ito, const P& aPred);
87 
105  template<typename I, typename O, typename F>
106  void setFromPointsRangeAndFunctor(const I& itb, const I& ite,
107  const O& ito, const F& aFunctor,
108  const typename F::Value& aThreshold = 0);
109 
124  template<typename I, typename O>
125  void setFromImage(const I& aImg,
126  const O& ito,
127  const typename I::Value& aThreshold = 0);
128 
144  template<typename I, typename O>
145  void setFromImage(const I& aImg,
146  const O& ito,
147  const typename I::Value& low,
148  const typename I::Value& up);
149 
150 
163  template<typename It, typename Im>
164  void imageFromRangeAndValue(const It& itb, const It& ite, Im& aImg,
165  const typename Im::Value& aValue = 0);
166 
178  template<typename R, typename I>
179  void imageFromRangeAndValue(const R& aRange, I& aImg,
180  const typename I::Value& aValue = 0);
181 
192  template<typename I, typename F>
193  void imageFromFunctor(I& aImg, const F& aFun);
194 
204  template<typename I1, typename I2>
205  void imageFromImage(I1& aImg1, const I2& aImg2);
206 
249  template<typename I, typename S>
250  bool insertAndSetValue(I& aImg, S& aSet,
251  const typename I::Point& aPoint,
252  const typename I::Value& aValue );
253 
297  template<typename I, typename S>
298  bool insertAndAlwaysSetValue(I& aImg, S& aSet,
299  const typename I::Point& aPoint,
300  const typename I::Value& aValue );
301 
330  template<typename I, typename S>
331  bool findAndGetValue(const I& aImg, const S& aSet,
332  const typename I::Point& aPoint,
333  typename I::Value& aValue );
334 
335 
336 
337 
346  template<typename Image, typename PointPredicate, typename TValue=DGtal::int32_t>
348  {
349  public:
350 
351  typedef typename Image::Point Point;
352  typedef TValue Value;
353 
357 
358  /*BOOST_CONCEPT_USAGE(ImageToConstantFunctor)
359  {
360  Point p1;
361  typename PointPredicate::Point p2;
362  ConceptUtils::sameType( p1, p2 );
363  }*/
364 
374  ConstAlias< PointPredicate > aPointPred,
375  Value aVal = NumberTraits< Value >::ONE,
376  bool reverseValues = false )
377  : myImage(&anImage),
378  myPointPred(&aPointPred),
379  myVal(aVal),
380  reverse(reverseValues)
381  {}
382 
389  Value operator()( const Point &aPoint ) const
390  {
391  if ((myImage->domain().isInside(aPoint)))
392  {
393  if( reverse )
394  {
395  if( !myPointPred->operator()(aPoint) )
396  {
397  return myVal;
398  }
399  else
400  {
402  }
403  }
404  else
405  {
406  if( myPointPred->operator()(aPoint) )
407  {
408  return myVal;
409  }
410  else
411  {
413  }
414  }
415  }
416  else
417  {
419  }
420  }
421 
422  private:
423 
425  const Image *myImage;
426 
428  const PointPredicate *myPointPred;
429 
431  Value myVal;
432 
434  bool reverse;
435  };
436 
437 
438 
439 
440 
441 } // namespace DGtal
442 
444 // Includes inline functions
445 #include "DGtal/images/ImageHelper.ih"
446 // //
448 
449 #endif // !defined ImageHelper_h
450 
451 #undef ImageHelper_RECURSES
452 #endif // else defined(ImageHelper_RECURSES)
Aim: implements association bewteen points lying in a digital domain and values.
Definition: Image.h:69
const Image * myImage
const pointor to an image
Definition: ImageHelper.h:425
Value myVal
constant value when functor answer true.
Definition: ImageHelper.h:431
Aim: This class encapsulates its parameter class so that to indicate to the user that the object/poin...
Definition: ConstAlias.h:186
Value operator()(const Point &aPoint) const
Definition: ImageHelper.h:389
bool reverse
reverse values returned by the predicate. (Some shapes consider inner as > 0, others as < 0) ...
Definition: ImageHelper.h:434
BOOST_CONCEPT_ASSERT((concepts::CConstImage< Image >))
void setFromPointsRangeAndPredicate(const I &itb, const I &ite, const O &ito, const P &aPred)
useful functions
bool insertAndSetValue(I &aImg, S &aSet, const typename I::Point &aPoint, const typename I::Value &aValue)
void imageFromImage(I1 &aImg1, const I2 &aImg2)
ImageToConstantFunctor(ConstAlias< Image > anImage, ConstAlias< PointPredicate > aPointPred, Value aVal=NumberTraits< Value >::ONE, bool reverseValues=false)
Definition: ImageHelper.h:373
void imageFromRangeAndValue(const It &itb, const It &ite, Im &aImg, const typename Im::Value &aValue=0)
const PointPredicate * myPointPred
const pointor to a predicate on points
Definition: ImageHelper.h:428
Aim: Defines a predicate on a point.
Aim: The traits class for all models of Cinteger.
Definition: NumberTraits.h:69
void setFromImage(const I &aImg, const O &ito, const typename I::Value &aThreshold=0)
Aim: defines the concept of quantity in DGtal.
Definition: CQuantity.h:92
DGtal is the top-level namespace which contains all DGtal functions and types.
bool findAndGetValue(const I &aImg, const S &aSet, const typename I::Point &aPoint, typename I::Value &aValue)
const Domain & domain() const
Definition: Image.h:192
bool insertAndAlwaysSetValue(I &aImg, S &aSet, const typename I::Point &aPoint, const typename I::Value &aValue)
Aim: Defines the concept describing a read-only image, which is a refinement of CPointFunctor.
Definition: CConstImage.h:94
void setFromPointsRangeAndFunctor(const I &itb, const I &ite, const O &ito, const F &aFunctor, const typename F::Value &aThreshold=0)
void imageFromFunctor(I &aImg, const F &aFun)