MRRectIndexer.h

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#pragma once
 
#include <MRCMesh/MRId.h>
#include <MRCMesh/MRVector2.h>
#include <MRCMisc/common.h>
#include <MRCMisc/exports.h>
 
#include <stdbool.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct MR_PixelBitSet MR_PixelBitSet; // Defined in `#include <MRCMesh/MRBitSet.h>`.
 
 
typedef signed char MR_OutEdge2;
enum // MR_OutEdge2
{
    MR_OutEdge2_Invalid = -1,
    MR_OutEdge2_PlusY = 0,
    MR_OutEdge2_MinusY = 1,
    MR_OutEdge2_PlusX = 2,
    MR_OutEdge2_MinusX = 3,
    MR_OutEdge2_Count = 4,
};

typedef struct MR_RectIndexer MR_RectIndexer;

MRC_API MR_OutEdge2 MR_opposite_MR_OutEdge2(MR_OutEdge2 e);

MRC_API MR_RectIndexer *MR_RectIndexer_DefaultConstruct(void);

MRC_API MR_RectIndexer *MR_RectIndexer_DefaultConstructArray(size_t num_elems);

MRC_API const MR_RectIndexer *MR_RectIndexer_OffsetPtr(const MR_RectIndexer *ptr, ptrdiff_t i);

MRC_API MR_RectIndexer *MR_RectIndexer_OffsetMutablePtr(MR_RectIndexer *ptr, ptrdiff_t i);

MRC_API MR_RectIndexer *MR_RectIndexer_ConstructFromAnother(const MR_RectIndexer *_other);

MRC_API MR_RectIndexer *MR_RectIndexer_Construct(const MR_Vector2i *dims);

MRC_API void MR_RectIndexer_Destroy(const MR_RectIndexer *_this);

MRC_API void MR_RectIndexer_DestroyArray(const MR_RectIndexer *_this);

MRC_API MR_RectIndexer *MR_RectIndexer_AssignFromAnother(MR_RectIndexer *_this, const MR_RectIndexer *_other);

MRC_API void MR_RectIndexer_resize(MR_RectIndexer *_this, const MR_Vector2i *dims);

MRC_API const MR_Vector2i *MR_RectIndexer_dims(const MR_RectIndexer *_this);

MRC_API MR_uint64_t MR_RectIndexer_size(const MR_RectIndexer *_this);

MRC_API MR_Vector2i MR_RectIndexer_toPos_MR_PixelId(const MR_RectIndexer *_this, MR_PixelId id);

MRC_API MR_Vector2i MR_RectIndexer_toPos_uint64_t(const MR_RectIndexer *_this, MR_uint64_t id);

MRC_API MR_PixelId MR_RectIndexer_toPixelId(const MR_RectIndexer *_this, const MR_Vector2i *pos);

MRC_API MR_uint64_t MR_RectIndexer_toIndex(const MR_RectIndexer *_this, const MR_Vector2i *pos);

MRC_API bool MR_RectIndexer_areNeigbors_MR_PixelId(const MR_RectIndexer *_this, MR_PixelId v0, MR_PixelId v1);

MRC_API bool MR_RectIndexer_areNeigbors_MR_Vector2i(const MR_RectIndexer *_this, const MR_Vector2i *pos0, const MR_Vector2i *pos1);

MRC_API MR_PixelId MR_RectIndexer_getNeighbor_2(const MR_RectIndexer *_this, MR_PixelId v, MR_OutEdge2 toNei);

MRC_API MR_PixelId MR_RectIndexer_getNeighbor_3(const MR_RectIndexer *_this, MR_PixelId v, const MR_Vector2i *pos, MR_OutEdge2 toNei);

MRC_API void MR_expandPixelMask(MR_PixelBitSet *mask, const MR_RectIndexer *indexer, const int *expansion);

MRC_API void MR_shrinkPixelMask(MR_PixelBitSet *mask, const MR_RectIndexer *indexer, const int *shrinkage);
 
#ifdef __cplusplus
} // extern "C"
#endif