fisheye

Documentation

Index

• Variables
• func ApplyFishEye(dest draw.Image, src image.Image, distance int) draw.Image
• func CloneImage(dst draw.Image, src image.Image) draw.Image
• func DistanceRange(dx int) (int, int)
• func FindDistance(src image.Image, testRowIndex int) (image.Image, int)
• func Formula(s float64) float64
• func GenFile(path string, testRowIndex int) (image.Image, error)
• func MakeNoise(img image.Image, distance int, factory func() draw.Image) draw.Image
• func RemoveFishEye(dest draw.Image, src image.Image, distance int) draw.Image
• func WhitePoints(src image.Image, y int) int
• type FisheyePreprocessor
  • func NewPreprocessor() *FisheyePreprocessor
  • func (p *FisheyePreprocessor) Preprocess(_ context.Context, img image.Image) (image.Image, error)

Variables

var (
	ErrDetectDistance = errors.New("fisheye: can not detect distance")
)

Functions

func ApplyFishEye

func ApplyFishEye(dest draw.Image, src image.Image, distance int) draw.Image

func CloneImage

func CloneImage(dst draw.Image, src image.Image) draw.Image

func DistanceRange

func DistanceRange(dx int) (int, int)

func FindDistance

func FindDistance(src image.Image, testRowIndex int) (image.Image, int)

func Formula

func Formula(s float64) float64

func GenFile

func GenFile(path string, testRowIndex int) (image.Image, error)

func MakeNoise

func MakeNoise(img image.Image, distance int, factory func() draw.Image) draw.Image

func RemoveFishEye

func RemoveFishEye(dest draw.Image, src image.Image, distance int) draw.Image

func WhitePoints

func WhitePoints(src image.Image, y int) int

Types

type FisheyePreprocessor

type FisheyePreprocessor struct {
	TestRowIndex int
}

func NewPreprocessor

func NewPreprocessor() *FisheyePreprocessor

func (*FisheyePreprocessor) Preprocess

func (p *FisheyePreprocessor) Preprocess(_ context.Context, img image.Image) (image.Image, error)