BLI_math_interp.h File Reference

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Macros
#define	EWA_MAXIDX   255

Typedefs
typedef void(*	ewa_filter_read_pixel_cb) (void *userdata, int x, int y, float result[4])

Functions
void	BLI_bicubic_interpolation_fl (const float *buffer, float *output, int width, int height, int components, float u, float v)
void	BLI_bicubic_interpolation_char (const unsigned char *buffer, unsigned char *output, int width, int height, int components, float u, float v)
void	BLI_bilinear_interpolation_fl (const float *buffer, float *output, int width, int height, int components, float u, float v)
void	BLI_bilinear_interpolation_char (const unsigned char *buffer, unsigned char *output, int width, int height, int components, float u, float v)
void	BLI_bilinear_interpolation_wrap_fl (const float *buffer, float *output, int width, int height, int components, float u, float v, bool wrap_x, bool wrap_y)
void	BLI_bilinear_interpolation_wrap_char (const unsigned char *buffer, unsigned char *output, int width, int height, int components, float u, float v, bool wrap_x, bool wrap_y)
void	BLI_ewa_imp2radangle (float A, float B, float C, float F, float *a, float *b, float *th, float *ecc)
void	BLI_ewa_filter (const int width, const int height, const bool intpol, const bool use_alpha, const float uv[2], const float du[2], const float dv[2], ewa_filter_read_pixel_cb read_pixel_cb, void *userdata, float result[4])

Variables
const float	EWA_WTS [EWA_MAXIDX+1]

Macro Definition Documentation

EWA_MAXIDX

#define EWA_MAXIDX   255

Definition at line 72 of file BLI_math_interp.h.

Typedef Documentation

ewa_filter_read_pixel_cb

typedef void(* ewa_filter_read_pixel_cb) (void *userdata, int x, int y, float result[4])

Definition at line 75 of file BLI_math_interp.h.

Function Documentation

BLI_bicubic_interpolation_char()

void BLI_bicubic_interpolation_char	(	const unsigned char *	buffer,
		unsigned char *	output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v
	)

Definition at line 252 of file math_interp.c.

References bicubic_interpolation(), buffer, height, NULL, output, v, and width.

Referenced by bicubic_interpolation_color().

BLI_bicubic_interpolation_fl()

void BLI_bicubic_interpolation_fl	(	const float *	buffer,
		float *	output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v
	)

Definition at line 246 of file math_interp.c.

References bicubic_interpolation(), buffer, height, NULL, output, v, and width.

Referenced by bicubic_interpolation_color(), and blender::compositor::RenderLayersProg::doInterpolation().

BLI_bilinear_interpolation_char()

void BLI_bilinear_interpolation_char	(	const unsigned char *	buffer,
		unsigned char *	output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v
	)

Definition at line 468 of file math_interp.c.

References bilinear_interpolation(), buffer, height, NULL, output, v, and width.

Referenced by bilinear_interpolation_color(), and do_scale_thread().

BLI_bilinear_interpolation_fl()

void BLI_bilinear_interpolation_fl	(	const float *	buffer,
		float *	output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v
	)

Definition at line 461 of file math_interp.c.

References bilinear_interpolation(), buffer, height, NULL, output, v, and width.

Referenced by bilinear_interpolation_color(), do_scale_thread(), and blender::compositor::RenderLayersProg::doInterpolation().

BLI_bilinear_interpolation_wrap_char()

void BLI_bilinear_interpolation_wrap_char	(	const unsigned char *	buffer,
		unsigned char *	output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v,
		bool	wrap_x,
		bool	wrap_y
	)

Definition at line 494 of file math_interp.c.

References bilinear_interpolation(), buffer, height, NULL, output, v, and width.

BLI_bilinear_interpolation_wrap_fl()

void BLI_bilinear_interpolation_wrap_fl	(	const float *	buffer,
		float *	output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v,
		bool	wrap_x,
		bool	wrap_y
	)

Definition at line 480 of file math_interp.c.

References bilinear_interpolation(), buffer, height, NULL, output, v, and width.

Referenced by blender::compositor::MemoryBuffer::readBilinear().

BLI_ewa_filter()

void BLI_ewa_filter	(	const int	width,
		const int	height,
		const bool	intpol,
		const bool	use_alpha,
		const float	uv[2],
		const float	du[2],
		const float	dv[2],
		ewa_filter_read_pixel_cb	read_pixel_cb,
		void *	userdata,
		float	result[4]
	)

Definition at line 599 of file math_interp.c.

References A, Freestyle::a, B, BLI_ewa_imp2radangle(), C, ceilf, EWA_MAXIDX, EWA_WTS, F, float(), floorf, height, madd_v3_v3fl(), mul_v3_fl(), radangle2imp(), result, sqrtf, U, u1, u2, V, v, v1, v2, width, and zero_v4().

Referenced by ewa_eval(), and blender::compositor::MemoryBuffer::readEWA().

BLI_ewa_imp2radangle()

void BLI_ewa_imp2radangle	(	float	A,
		float	B,
		float	C,
		float	F,
		float *	a,
		float *	b,
		float *	th,
		float *	ecc
	)

Definition at line 571 of file math_interp.c.

References A, Freestyle::a, atan2f, B, C, F, float(), M_PI, r, and sqrtf.

Referenced by BLI_ewa_filter(), and imagewraposa_aniso().

Variable Documentation

EWA_WTS

const float EWA_WTS[EWA_MAXIDX+1]

extern

Definition at line 519 of file math_interp.c.

Referenced by BLI_ewa_filter(), and feline_eval().