captcha

Documentation

Index

• type Image
  • func NewImage(digits []byte, width, height int) *Image
  • func (m *Image) WriteTo(w io.Writer) (int64, error)

Types

type Image

type Image struct {
	*image.Paletted
	// contains filtered or unexported fields
}

Image struct

func NewImage

func NewImage(digits []byte, width, height int) *Image

NewImage returns a new captcha image of the given width and height with the given digits, where each digit must be in range 0-9.

func (*Image) WriteTo

func (m *Image) WriteTo(w io.Writer) (int64, error)

WriteTo writes captcha image in PNG format into the given writer.