math_interp.c File Reference

#include <math.h>
#include "BLI_math.h"
#include "BLI_strict_flags.h"

Go to the source code of this file.

Macros
#define	EWA_MAXIDX   255

Functions
static float	P (float k)
static void	vector_from_float (const float *data, float vector[4], int components)
static void	vector_from_byte (const unsigned char *data, float vector[4], int components)
BLI_INLINE void	bicubic_interpolation (const unsigned char *byte_buffer, const float *float_buffer, unsigned char *byte_output, float *float_output, int width, int height, int components, float u, float v)
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)
BLI_INLINE void	bilinear_interpolation (const unsigned char *byte_buffer, const float *float_buffer, unsigned char *byte_output, float *float_output, int width, int height, int components, float u, float v, bool wrap_x, bool wrap_y)
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)
static void	radangle2imp (float a2, float b2, float th, float *A, float *B, float *C, float *F)
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 518 of file math_interp.c.

Function Documentation

bicubic_interpolation()

BLI_INLINE void bicubic_interpolation	(	const unsigned char *	byte_buffer,
		const float *	float_buffer,
		unsigned char *	byte_output,
		float *	float_output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v
	)

Definition at line 94 of file math_interp.c.

References Freestyle::a, ceil(), CLAMP, copy_v3_v3(), copy_v4_v4(), copy_vn_fl(), copy_vn_uchar(), data, float(), floor(), height, P(), v, vector_from_byte(), vector_from_float(), w(), width, y1, and zero_v4().

Referenced by BKE_tracking_stabilize_frame(), BLI_bicubic_interpolation_char(), BLI_bicubic_interpolation_fl(), and transform_image().

bilinear_interpolation()

BLI_INLINE void bilinear_interpolation	(	const unsigned char *	byte_buffer,
		const float *	float_buffer,
		unsigned char *	byte_output,
		float *	float_output,
		int	width,
		int	height,
		int	components,
		float	u,
		float	v,
		bool	wrap_x,
		bool	wrap_y
	)

Definition at line 264 of file math_interp.c.

References Freestyle::a, ceil(), copy_vn_fl(), copy_vn_uchar(), floor(), floorf, height, v, width, x2, and y1.

Referenced by BKE_tracking_stabilize_frame(), BLI_bilinear_interpolation_char(), BLI_bilinear_interpolation_fl(), BLI_bilinear_interpolation_wrap_char(), BLI_bilinear_interpolation_wrap_fl(), sequencer_image_crop_transform_do_thread(), and transform_image().

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().

P()

static float P ( float  k )

static

Definition at line 41 of file math_interp.c.

References max_ff().

Referenced by _btMprVec3PointSegmentDist2(), Mesh::add_vertex(), Mesh::add_vertex_slow(), btDeformableCorotatedForce::addScaledElasticForce(), btDeformableLinearElasticityForce::addScaledElasticForce(), btDeformableNeoHookeanForce::addScaledElasticForce(), btDeformableLinearElasticityForce::addScaledHessian(), assign_final_coords_from_mdisps(), assign_final_elements_from_orig_mdisps(), base_surface_grids_write(), bicubic_interpolation(), Hair::Curve::bounds_grow(), btMprVec3PointTriDist2(), btVec3PointSegmentDist2(), btVec3PointTriDist2(), libmv::Build_Minimal2Point_PolynomialFactor(), BVH(), bvh_aligned_node_intersect(), bvh_instance_pop(), bvh_instance_pop_factor(), bvh_instance_push(), bvh_node_intersect(), bvh_unaligned_node_intersect(), bvh_unaligned_node_intersect_child(), camera_direction_from_point(), camera_distance(), camera_sample_orthographic(), camera_sample_panorama(), camera_sample_perspective(), camera_world_to_ndc(), camera_z_depth(), Freestyle::GridHelpers::closestPointToSegment(), Freestyle::OGF::compute_curvature_tensor(), Freestyle::ComputeMaxError(), Mesh::copy_center_to_motion_step(), decasteljau_bicubic(), decasteljau_cubic(), Freestyle::GeomUtils::distPointSegment(), libmv::EliminateRow(), Freestyle::StrokeShaders::CurvePiece::error(), libmv::EuclideanIntersect(), libmv::EuclideanResect(), libmv::euclidean_resection::EuclideanResectionPPnP(), LinearQuadPatch::eval(), BicubicPatch::eval(), QuadDice::eval_projected(), evaluate_higher_grid_positions_callback(), blender::opensubdiv::CpuEvalOutputAPI::evaluateLimit(), blender::opensubdiv::CpuEvalOutputAPI::evaluatePatchesLimit(), libmv::F_FromCorrespondance_2points(), fast_sinpif(), btDeformableCorotatedForce::firstPiola(), btDeformableLinearElasticityForce::firstPiola(), btDeformableNeoHookeanForce::firstPiola(), libmv::FundamentalFrom7CorrespondencesLinear(), OSLRenderServices::get_object_standard_attribute(), GPU_matrix_bind(), Freestyle::GeomUtils::includePointTriangle(), libmv::ProjectiveReconstruction::InsertCamera(), interp_m3_m3m3(), libmv::isInFrontOfCamera(), kernel_displace_evaluate(), CCL_NAMESPACE_BEGIN::kernel_tex_image_interp_3d(), kernel_tex_image_interp_3d(), libmv::KRt_From_P(), lamp_light_eval(), lamp_light_sample(), light_sample(), light_spread_clamp_area_light(), mikk_get_position(), motion_triangle_intersect(), motion_triangle_refine(), multires_reshape_apply_base_update_mesh_coords(), Freestyle::NewtonRaphsonRootFind(), object_grid_element_to_tangent_displacement(), object_inverse_position_transform(), object_position_transform(), Freestyle::VecMat::operator*(), libmv::P_From_KRt(), libmv::Project(), libmv::ProjectionChangeAspectRatio(), libmv::ProjectionShiftPrincipalPoint(), libmv::ProjectiveResect(), ray_aligned_disk_intersect(), ray_offset(), ray_optical_depth(), ray_triangle_intersect(), rect_light_sample(), libmv::resection::Resection(), reshape_subdiv_refine(), libmv::RootMeanSquareError(), QuadDice::scale_factor(), set_attribute_float3_3(), EdgeDice::set_vert(), shader_setup_from_displace(), shader_setup_from_sample(), single_scattering(), Freestyle::OGF::sphere_clip_vector(), sphere_light_sample(), spherical_stereo_transform(), svm_node_enter_bump_eval(), svm_node_wireframe(), sync_mesh_cached_velocities(), sync_mesh_fluid_motion(), OSLRenderServices::texture3d(), OSLRenderServices::trace(), triangle_intersect(), triangle_light_sample(), triangle_point_normal(), triangle_refine(), triangle_refine_local(), triangle_vertices(), wireframe(), Camera::world_to_raster_size(), and xml_read_mesh().

radangle2imp()

static void radangle2imp ( float  a2, float  b2, float  th, float *  A, float *  B, float *  C, float *  F  )

static

Definition at line 559 of file math_interp.c.

References A, B, C, cosf, F, and sinf.

Referenced by BLI_ewa_filter().

vector_from_byte()

static void vector_from_byte ( const unsigned char *  data, float  vector[4], int  components  )

static

Definition at line 75 of file math_interp.c.

References data.

Referenced by bicubic_interpolation().

vector_from_float()

static void vector_from_float ( const float *  data, float  vector[4], int  components  )

static

Definition at line 62 of file math_interp.c.

References copy_v3_v3(), copy_v4_v4(), and data.

Referenced by bicubic_interpolation().

Variable Documentation

EWA_WTS

const float EWA_WTS[EWA_MAXIDX+1]

Definition at line 519 of file math_interp.c.

Referenced by BLI_ewa_filter(), and feline_eval().