MRTriPoint.h File Reference

#include <MRCMisc/exports.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Typedefs
typedef struct MR_NoInit	MR_NoInit
typedef struct MR_Vector3d	MR_Vector3d
typedef struct MR_Vector3f	MR_Vector3f
typedef struct MR_TriPointf	MR_TriPointf
	encodes a point inside a triangle using barycentric coordinates
typedef struct MR_TriPointd	MR_TriPointd
	encodes a point inside a triangle using barycentric coordinates

Functions
MRC_API const float *	MR_TriPointf_Get_eps (void)
MRC_API const float *	MR_TriPointf_Get_a (const MR_TriPointf *_this)
MRC_API void	MR_TriPointf_Set_a (MR_TriPointf *_this, float value)
MRC_API float *	MR_TriPointf_GetMutable_a (MR_TriPointf *_this)
MRC_API const float *	MR_TriPointf_Get_b (const MR_TriPointf *_this)
MRC_API void	MR_TriPointf_Set_b (MR_TriPointf *_this, float value)
MRC_API float *	MR_TriPointf_GetMutable_b (MR_TriPointf *_this)
MRC_API MR_TriPointf *	MR_TriPointf_DefaultConstruct (void)
MRC_API MR_TriPointf *	MR_TriPointf_DefaultConstructArray (size_t num_elems)
MRC_API const MR_TriPointf *	MR_TriPointf_OffsetPtr (const MR_TriPointf *ptr, ptrdiff_t i)
	Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.
MRC_API MR_TriPointf *	MR_TriPointf_OffsetMutablePtr (MR_TriPointf *ptr, ptrdiff_t i)
	Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.
MRC_API MR_TriPointf *	MR_TriPointf_ConstructFromAnother (const MR_TriPointf *_other)
MRC_API MR_TriPointf *	MR_TriPointf_Construct_1 (const MR_NoInit *_1)
MRC_API MR_TriPointf *	MR_TriPointf_Construct_2 (float a, float b)
MRC_API MR_TriPointf *	MR_TriPointf_Construct_float (const MR_TriPointf *s)
MRC_API MR_TriPointf *	MR_TriPointf_Construct_4 (const MR_Vector3f *p, const MR_Vector3f *v0, const MR_Vector3f *v1, const MR_Vector3f *v2)
MRC_API MR_TriPointf *	MR_TriPointf_Construct_3 (const MR_Vector3f *p, const MR_Vector3f *v1, const MR_Vector3f *v2)
MRC_API void	MR_TriPointf_Destroy (const MR_TriPointf *_this)
	Destroys a heap-allocated instance of MR_TriPointf. Does nothing if the pointer is null.
MRC_API void	MR_TriPointf_DestroyArray (const MR_TriPointf *_this)
	Destroys a heap-allocated array of MR_TriPointf. Does nothing if the pointer is null.
MRC_API MR_TriPointf *	MR_TriPointf_AssignFromAnother (MR_TriPointf *_this, const MR_TriPointf *_other)
MRC_API MR_TriPointf *	MR_TriPointf_lnext (const MR_TriPointf *_this)
MRC_API int32_t	MR_TriPointf_inVertex (const MR_TriPointf *_this)
MRC_API int32_t	MR_TriPointf_onEdge (const MR_TriPointf *_this)
MRC_API bool	MR_equal_MR_TriPointf (const MR_TriPointf *_this, const MR_TriPointf *rhs)
MRC_API const double *	MR_TriPointd_Get_eps (void)
MRC_API const double *	MR_TriPointd_Get_a (const MR_TriPointd *_this)
MRC_API void	MR_TriPointd_Set_a (MR_TriPointd *_this, double value)
MRC_API double *	MR_TriPointd_GetMutable_a (MR_TriPointd *_this)
MRC_API const double *	MR_TriPointd_Get_b (const MR_TriPointd *_this)
MRC_API void	MR_TriPointd_Set_b (MR_TriPointd *_this, double value)
MRC_API double *	MR_TriPointd_GetMutable_b (MR_TriPointd *_this)
MRC_API MR_TriPointd *	MR_TriPointd_DefaultConstruct (void)
MRC_API MR_TriPointd *	MR_TriPointd_DefaultConstructArray (size_t num_elems)
MRC_API const MR_TriPointd *	MR_TriPointd_OffsetPtr (const MR_TriPointd *ptr, ptrdiff_t i)
	Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.
MRC_API MR_TriPointd *	MR_TriPointd_OffsetMutablePtr (MR_TriPointd *ptr, ptrdiff_t i)
	Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.
MRC_API MR_TriPointd *	MR_TriPointd_ConstructFromAnother (const MR_TriPointd *_other)
MRC_API MR_TriPointd *	MR_TriPointd_Construct_1 (const MR_NoInit *_1)
MRC_API MR_TriPointd *	MR_TriPointd_Construct_2 (double a, double b)
MRC_API MR_TriPointd *	MR_TriPointd_Construct_4 (const MR_Vector3d *p, const MR_Vector3d *v0, const MR_Vector3d *v1, const MR_Vector3d *v2)
MRC_API MR_TriPointd *	MR_TriPointd_Construct_3 (const MR_Vector3d *p, const MR_Vector3d *v1, const MR_Vector3d *v2)
MRC_API void	MR_TriPointd_Destroy (const MR_TriPointd *_this)
	Destroys a heap-allocated instance of MR_TriPointd. Does nothing if the pointer is null.
MRC_API void	MR_TriPointd_DestroyArray (const MR_TriPointd *_this)
	Destroys a heap-allocated array of MR_TriPointd. Does nothing if the pointer is null.
MRC_API MR_TriPointd *	MR_TriPointd_AssignFromAnother (MR_TriPointd *_this, const MR_TriPointd *_other)
MRC_API MR_TriPointd *	MR_TriPointd_lnext (const MR_TriPointd *_this)
MRC_API int32_t	MR_TriPointd_inVertex (const MR_TriPointd *_this)
MRC_API int32_t	MR_TriPointd_onEdge (const MR_TriPointd *_this)
MRC_API bool	MR_equal_MR_TriPointd (const MR_TriPointd *_this, const MR_TriPointd *rhs)

Typedef Documentation

MR_NoInit

typedef struct MR_NoInit MR_NoInit

MR_TriPointd

typedef struct MR_TriPointd MR_TriPointd

encodes a point inside a triangle using barycentric coordinates

Notations used below: v0, v1, v2 - points of the triangle Generated from class MR::TriPointd.

MR_TriPointf

typedef struct MR_TriPointf MR_TriPointf

encodes a point inside a triangle using barycentric coordinates

Notations used below: v0, v1, v2 - points of the triangle Generated from class MR::TriPointf.

MR_Vector3d

typedef struct MR_Vector3d MR_Vector3d

MR_Vector3f

typedef struct MR_Vector3f MR_Vector3f

Function Documentation

MR_equal_MR_TriPointd()

MRC_API bool MR_equal_MR_TriPointd	(	const MR_TriPointd *	_this,
		const MR_TriPointd *	rhs )

returns true if two points have equal (a,b) representation Generated from a method of class MR::TriPointd named operator==. Parameter _this can not be null. It is a single object. Parameter rhs can not be null. It is a single object.

MR_equal_MR_TriPointf()

MRC_API bool MR_equal_MR_TriPointf	(	const MR_TriPointf *	_this,
		const MR_TriPointf *	rhs )

returns true if two points have equal (a,b) representation Generated from a method of class MR::TriPointf named operator==. Parameter _this can not be null. It is a single object. Parameter rhs can not be null. It is a single object.

MR_TriPointd_AssignFromAnother()

MRC_API MR_TriPointd * MR_TriPointd_AssignFromAnother	(	MR_TriPointd *	_this,
		const MR_TriPointd *	_other )

Generated from a method of class MR::TriPointd named operator=. Parameter _this can not be null. It is a single object. Parameter _other can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointd_Construct_1()

MRC_API MR_TriPointd * MR_TriPointd_Construct_1

(

const MR_NoInit *

_1

)

Generated from a constructor of class MR::TriPointd. Parameter _1 can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_Construct_2()

MRC_API MR_TriPointd * MR_TriPointd_Construct_2	(	double	a,
		double	b )

Generated from a constructor of class MR::TriPointd. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_Construct_3()

MRC_API MR_TriPointd * MR_TriPointd_Construct_3	(	const MR_Vector3d *	p,
		const MR_Vector3d *	v1,
		const MR_Vector3d *	v2 )

given a point coordinates and triangle (0,v1,v2) computes barycentric coordinates of the point Generated from a constructor of class MR::TriPointd. Parameter p can not be null. It is a single object. Parameter v1 can not be null. It is a single object. Parameter v2 can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_Construct_4()

MRC_API MR_TriPointd * MR_TriPointd_Construct_4	(	const MR_Vector3d *	p,
		const MR_Vector3d *	v0,
		const MR_Vector3d *	v1,
		const MR_Vector3d *	v2 )

given a point coordinates and triangle (v0,v1,v2) computes barycentric coordinates of the point Generated from a constructor of class MR::TriPointd. Parameter p can not be null. It is a single object. Parameter v0 can not be null. It is a single object. Parameter v1 can not be null. It is a single object. Parameter v2 can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_ConstructFromAnother()

MRC_API MR_TriPointd * MR_TriPointd_ConstructFromAnother

(

const MR_TriPointd *

_other

)

Generated from a constructor of class MR::TriPointd. Parameter _other can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_DefaultConstruct()

MRC_API MR_TriPointd * MR_TriPointd_DefaultConstruct

(

void

)

Constructs an empty (default-constructed) instance. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_DefaultConstructArray()

MRC_API MR_TriPointd * MR_TriPointd_DefaultConstructArray

(

size_t

num_elems

)

Constructs an array of empty (default-constructed) instances, of the specified size. Will never return null. The array must be destroyed using MR_TriPointd_DestroyArray(). Use MR_TriPointd_OffsetMutablePtr() and MR_TriPointd_OffsetPtr() to access the array elements.

MR_TriPointd_Destroy()

MRC_API void MR_TriPointd_Destroy

(

const MR_TriPointd *

_this

)

Destroys a heap-allocated instance of MR_TriPointd. Does nothing if the pointer is null.

MR_TriPointd_DestroyArray()

MRC_API void MR_TriPointd_DestroyArray

(

const MR_TriPointd *

_this

)

Destroys a heap-allocated array of MR_TriPointd. Does nothing if the pointer is null.

MR_TriPointd_Get_a()

MRC_API const double * MR_TriPointd_Get_a

(

const MR_TriPointd *

_this

)

a in [0,1], a=0 => point is on [v2,v0] edge, a=1 => point is in v1 Modifies a member variable of class MR::TriPointd named a. Parameter _this can not be null. It is a single object.

MR_TriPointd_Get_b()

MRC_API const double * MR_TriPointd_Get_b

(

const MR_TriPointd *

_this

)

b in [0,1], b=0 => point is on [v0,v1] edge, b=1 => point is in v2 Modifies a member variable of class MR::TriPointd named b. Parameter _this can not be null. It is a single object.

MR_TriPointd_Get_eps()

MRC_API const double * MR_TriPointd_Get_eps

(

void

)

Returns a pointer to a member variable of class MR::TriPointd named eps. The returned pointer will never be null. It is non-owning, do NOT destroy it. a in [0,1], a=0 => point is on [v2,v0] edge, a=1 => point is in v1 Returns a pointer to a member variable of class MR::TriPointd named a. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointd_GetMutable_a()

MRC_API double * MR_TriPointd_GetMutable_a

(

MR_TriPointd *

_this

)

b in [0,1], b=0 => point is on [v0,v1] edge, b=1 => point is in v2 Returns a pointer to a member variable of class MR::TriPointd named b. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointd_GetMutable_b()

MRC_API double * MR_TriPointd_GetMutable_b

(

MR_TriPointd *

_this

)

MR_TriPointd_inVertex()

MRC_API int32_t MR_TriPointd_inVertex

(

const MR_TriPointd *

_this

)

returns [0,2] if the point is in a vertex or -1 otherwise Generated from a method of class MR::TriPointd named inVertex. Parameter _this can not be null. It is a single object.

MR_TriPointd_lnext()

MRC_API MR_TriPointd * MR_TriPointd_lnext

(

const MR_TriPointd *

_this

)

represents the same point relative to next edge in the same triangle Generated from a method of class MR::TriPointd named lnext. Parameter _this can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointd_Destroy() to free it when you're done using it.

MR_TriPointd_OffsetMutablePtr()

MRC_API MR_TriPointd * MR_TriPointd_OffsetMutablePtr	(	MR_TriPointd *	ptr,
		ptrdiff_t	i )

Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.

MR_TriPointd_OffsetPtr()

MRC_API const MR_TriPointd * MR_TriPointd_OffsetPtr	(	const MR_TriPointd *	ptr,
		ptrdiff_t	i )

Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.

MR_TriPointd_onEdge()

MRC_API int32_t MR_TriPointd_onEdge

(

const MR_TriPointd *

_this

)

returns [0,2] if the point is on edge or -1 otherwise: 0 means edge [v1,v2]; 1 means edge [v2,v0]; 2 means edge [v0,v1] Generated from a method of class MR::TriPointd named onEdge. Parameter _this can not be null. It is a single object.

MR_TriPointd_Set_a()

MRC_API void MR_TriPointd_Set_a	(	MR_TriPointd *	_this,
		double	value )

a in [0,1], a=0 => point is on [v2,v0] edge, a=1 => point is in v1 Returns a mutable pointer to a member variable of class MR::TriPointd named a. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointd_Set_b()

MRC_API void MR_TriPointd_Set_b	(	MR_TriPointd *	_this,
		double	value )

b in [0,1], b=0 => point is on [v0,v1] edge, b=1 => point is in v2 Returns a mutable pointer to a member variable of class MR::TriPointd named b. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointf_AssignFromAnother()

MRC_API MR_TriPointf * MR_TriPointf_AssignFromAnother	(	MR_TriPointf *	_this,
		const MR_TriPointf *	_other )

Generated from a method of class MR::TriPointf named operator=. Parameter _this can not be null. It is a single object. Parameter _other can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointf_Construct_1()

MRC_API MR_TriPointf * MR_TriPointf_Construct_1

(

const MR_NoInit *

_1

)

Generated from a constructor of class MR::TriPointf. Parameter _1 can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_Construct_2()

MRC_API MR_TriPointf * MR_TriPointf_Construct_2	(	float	a,
		float	b )

Generated from a constructor of class MR::TriPointf. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_Construct_3()

MRC_API MR_TriPointf * MR_TriPointf_Construct_3	(	const MR_Vector3f *	p,
		const MR_Vector3f *	v1,
		const MR_Vector3f *	v2 )

given a point coordinates and triangle (0,v1,v2) computes barycentric coordinates of the point Generated from a constructor of class MR::TriPointf. Parameter p can not be null. It is a single object. Parameter v1 can not be null. It is a single object. Parameter v2 can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_Construct_4()

MRC_API MR_TriPointf * MR_TriPointf_Construct_4	(	const MR_Vector3f *	p,
		const MR_Vector3f *	v0,
		const MR_Vector3f *	v1,
		const MR_Vector3f *	v2 )

given a point coordinates and triangle (v0,v1,v2) computes barycentric coordinates of the point Generated from a constructor of class MR::TriPointf. Parameter p can not be null. It is a single object. Parameter v0 can not be null. It is a single object. Parameter v1 can not be null. It is a single object. Parameter v2 can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_Construct_float()

MRC_API MR_TriPointf * MR_TriPointf_Construct_float

(

const MR_TriPointf *

s

)

Generated from a constructor of class MR::TriPointf. Parameter s can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_ConstructFromAnother()

MRC_API MR_TriPointf * MR_TriPointf_ConstructFromAnother

(

const MR_TriPointf *

_other

)

Generated from a constructor of class MR::TriPointf. Parameter _other can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_DefaultConstruct()

MRC_API MR_TriPointf * MR_TriPointf_DefaultConstruct

(

void

)

Constructs an empty (default-constructed) instance. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_DefaultConstructArray()

MRC_API MR_TriPointf * MR_TriPointf_DefaultConstructArray

(

size_t

num_elems

)

Constructs an array of empty (default-constructed) instances, of the specified size. Will never return null. The array must be destroyed using MR_TriPointf_DestroyArray(). Use MR_TriPointf_OffsetMutablePtr() and MR_TriPointf_OffsetPtr() to access the array elements.

MR_TriPointf_Destroy()

MRC_API void MR_TriPointf_Destroy

(

const MR_TriPointf *

_this

)

Destroys a heap-allocated instance of MR_TriPointf. Does nothing if the pointer is null.

MR_TriPointf_DestroyArray()

MRC_API void MR_TriPointf_DestroyArray

(

const MR_TriPointf *

_this

)

Destroys a heap-allocated array of MR_TriPointf. Does nothing if the pointer is null.

MR_TriPointf_Get_a()

MRC_API const float * MR_TriPointf_Get_a

(

const MR_TriPointf *

_this

)

a in [0,1], a=0 => point is on [v2,v0] edge, a=1 => point is in v1 Modifies a member variable of class MR::TriPointf named a. Parameter _this can not be null. It is a single object.

MR_TriPointf_Get_b()

MRC_API const float * MR_TriPointf_Get_b

(

const MR_TriPointf *

_this

)

b in [0,1], b=0 => point is on [v0,v1] edge, b=1 => point is in v2 Modifies a member variable of class MR::TriPointf named b. Parameter _this can not be null. It is a single object.

MR_TriPointf_Get_eps()

MRC_API const float * MR_TriPointf_Get_eps

(

void

)

Returns a pointer to a member variable of class MR::TriPointf named eps. The returned pointer will never be null. It is non-owning, do NOT destroy it. a in [0,1], a=0 => point is on [v2,v0] edge, a=1 => point is in v1 Returns a pointer to a member variable of class MR::TriPointf named a. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointf_GetMutable_a()

MRC_API float * MR_TriPointf_GetMutable_a

(

MR_TriPointf *

_this

)

b in [0,1], b=0 => point is on [v0,v1] edge, b=1 => point is in v2 Returns a pointer to a member variable of class MR::TriPointf named b. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointf_GetMutable_b()

MRC_API float * MR_TriPointf_GetMutable_b

(

MR_TriPointf *

_this

)

MR_TriPointf_inVertex()

MRC_API int32_t MR_TriPointf_inVertex

(

const MR_TriPointf *

_this

)

returns [0,2] if the point is in a vertex or -1 otherwise Generated from a method of class MR::TriPointf named inVertex. Parameter _this can not be null. It is a single object.

MR_TriPointf_lnext()

MRC_API MR_TriPointf * MR_TriPointf_lnext

(

const MR_TriPointf *

_this

)

represents the same point relative to next edge in the same triangle Generated from a method of class MR::TriPointf named lnext. Parameter _this can not be null. It is a single object. Never returns null. Returns an instance allocated on the heap! Must call MR_TriPointf_Destroy() to free it when you're done using it.

MR_TriPointf_OffsetMutablePtr()

MRC_API MR_TriPointf * MR_TriPointf_OffsetMutablePtr	(	MR_TriPointf *	ptr,
		ptrdiff_t	i )

Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.

MR_TriPointf_OffsetPtr()

MRC_API const MR_TriPointf * MR_TriPointf_OffsetPtr	(	const MR_TriPointf *	ptr,
		ptrdiff_t	i )

Offsets a pointer to an array element by i positions (not bytes). Use only if you're certain that the pointer points to an array element.

MR_TriPointf_onEdge()

MRC_API int32_t MR_TriPointf_onEdge

(

const MR_TriPointf *

_this

)

returns [0,2] if the point is on edge or -1 otherwise: 0 means edge [v1,v2]; 1 means edge [v2,v0]; 2 means edge [v0,v1] Generated from a method of class MR::TriPointf named onEdge. Parameter _this can not be null. It is a single object.

MR_TriPointf_Set_a()

MRC_API void MR_TriPointf_Set_a	(	MR_TriPointf *	_this,
		float	value )

a in [0,1], a=0 => point is on [v2,v0] edge, a=1 => point is in v1 Returns a mutable pointer to a member variable of class MR::TriPointf named a. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.

MR_TriPointf_Set_b()

MRC_API void MR_TriPointf_Set_b	(	MR_TriPointf *	_this,
		float	value )

b in [0,1], b=0 => point is on [v0,v1] edge, b=1 => point is in v2 Returns a mutable pointer to a member variable of class MR::TriPointf named b. Parameter _this can not be null. It is a single object. The returned pointer will never be null. It is non-owning, do NOT destroy it.