Bitmap.h

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#ifndef BITMAP_HEADER
#define BITMAP_HEADER
#include <utility>
 
#include <GfxTL/VectorXD.h>
#include <MiscLib/Vector.h>
 
#ifndef DLL_LINKAGE
#define DLL_LINKAGE
#endif
 
DLL_LINKAGE void DilateSquare(const MiscLib::Vector<char>& bitmap,
                              size_t uextent,
                              size_t vextent,
                              bool uwrap,
                              bool vwrap,
                              MiscLib::Vector<char>* dilated);
DLL_LINKAGE void DilateCross(const MiscLib::Vector<char>& bitmap,
                             size_t uextent,
                             size_t vextent,
                             bool uwrap,
                             bool vwrap,
                             MiscLib::Vector<char>* dilated);
DLL_LINKAGE void ErodeSquare(const MiscLib::Vector<char>& bitmap,
                             size_t uextent,
                             size_t vextent,
                             bool uwrap,
                             bool vwrap,
                             MiscLib::Vector<char>* eroded);
DLL_LINKAGE void ErodeCross(const MiscLib::Vector<char>& bitmap,
                            size_t uextent,
                            size_t vextent,
                            bool uwrap,
                            bool vwrap,
                            MiscLib::Vector<char>* eroded);
DLL_LINKAGE void Components(const MiscLib::Vector<char>& bitmap,
                            size_t uextent,
                            size_t vextent,
                            bool uwrap,
                            bool vwrap,
                            MiscLib::Vector<int>* componentsImg,
                            MiscLib::Vector<std::pair<int, size_t>>* labels);
DLL_LINKAGE void PreWrappedComponents(const MiscLib::Vector<char>& bitmap,
                                      size_t uextent,
                                      size_t vextent,
                                      MiscLib::Vector<int>* componentsImg,
                                      MiscLib::Vector<int>* relabelComponentsImg,
                                      const MiscLib::Vector<std::pair<int, size_t>>& inLabels,
                                      MiscLib::Vector<std::pair<int, size_t>>* labels);
DLL_LINKAGE int
Label(int n[], int size, int* curLabel, MiscLib::Vector<std::pair<int, size_t>>* labels);
DLL_LINKAGE void AssociateLabel(int a, int b, MiscLib::Vector<std::pair<int, size_t>>* labels);
DLL_LINKAGE int ReduceLabel(int a, const MiscLib::Vector<std::pair<int, size_t>>& labels);
// finds the loops around a connected component as polygons
DLL_LINKAGE void
ComponentLoops(const MiscLib::Vector<int>& componentImg,
               size_t uextent,
               size_t vextent,
               int label,
               bool uwrap,
               bool vwrap,
               MiscLib::Vector<MiscLib::Vector<GfxTL::VectorXD<2, size_t>>>* polys);
 
#endif