util

package

v0.0.0-...-b2d8a4d Latest Latest Go to latest Published: Nov 30, 2020 License: MIT Imports: 12 Imported by: 0

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const Debug = 1

Debugging

This section is empty.

func DPrintf(format string, a ...interface{}) (n int, err error)

func DecodeImage(data string) (image.Image, error)

DecodeImage decodes a base64 and returns an image

func EncodeImage(img image.Image) (string, error)

EncodeImage encodes an image as png base64 string

func GetImageDimensions(img image.Image) (int, int)

func GetRandomImage() image.Image

func GetSubImage(img image.Image, rect image.Rectangle) image.Image

func GrayImg(img image.Image) *image.Gray

func ImgDiff(ai, bi, e image.Image) float64

func RandomColor(rng *rand.Rand) color.RGBA

func RandomColorFromPalette(rng *rand.Rand, palette []color.RGBA) color.RGBA

func RandomRadius(rng *rand.Rand, radius float64) float64

func RandomRotation(rng *rand.Rand) float64

func RgbaImg(img image.Image) *image.RGBA

func SquareDifference(x, y float64) float64

type Image struct {
	Image  image.Image
	Width  int
	Height int
}

type Vector struct {
	X float64 `json:"x"`
	Y float64 `json:"y"`
}

func RandomVector(rng *rand.Rand, bounds Vector, scale int) Vector