rotate

Documentation

Index

• func Clone(img image.Image) *image.NRGBA
• func FlipH(img image.Image) *image.NRGBA
• func FlipV(img image.Image) *image.NRGBA
• func Rotate(img image.Image, angle float64, bgColor color.Color) *image.NRGBA
• func Rotate180(img image.Image) *image.NRGBA
• func Rotate270(img image.Image) *image.NRGBA
• func Rotate90(img image.Image) *image.NRGBA
• func Transpose(img image.Image) *image.NRGBA
• func Transverse(img image.Image) *image.NRGBA

Functions

func Clone

func Clone(img image.Image) *image.NRGBA

Clone returns a copy of the given image.

func FlipH

func FlipH(img image.Image) *image.NRGBA

FlipH flips the image horizontally (from left to right) and returns the transformed image.

func FlipV

func FlipV(img image.Image) *image.NRGBA

FlipV flips the image vertically (from top to bottom) and returns the transformed image.

func Rotate

func Rotate(img image.Image, angle float64, bgColor color.Color) *image.NRGBA

Rotate rotates an image by the given angle counter-clockwise . The angle parameter is the rotation angle in degrees. The bgColor parameter specifies the color of the uncovered zone after the rotation.

func Rotate180

func Rotate180(img image.Image) *image.NRGBA

Rotate180 rotates the image 180 degrees counter-clockwise and returns the transformed image.

func Rotate270

func Rotate270(img image.Image) *image.NRGBA

Rotate270 rotates the image 270 degrees counter-clockwise and returns the transformed image.

func Rotate90

func Rotate90(img image.Image) *image.NRGBA

Rotate90 rotates the image 90 degrees counter-clockwise and returns the transformed image.

func Transpose

func Transpose(img image.Image) *image.NRGBA

Transpose flips the image horizontally and rotates 90 degrees counter-clockwise.

func Transverse

func Transverse(img image.Image) *image.NRGBA

Transverse flips the image vertically and rotates 90 degrees counter-clockwise.