bitmap

Documentation

Index

• type Color
• type Image
  • func Import(img *bitmap.Image) *Image
  • func New(r image.Rectangle) *Image
  • func (img *Image) BinaryAt(x, y int) Color
  • func (img *Image) Clone() *Image
  • func (img *Image) Copy(from *Image) *Image
  • func (img *Image) EncodePBM(w io.Writer) error
  • func (img *Image) Export() *bitmap.Image
  • func (img *Image) Mask(in, mask, pattern *Image) *Image
  • func (img *Image) OnesCount() int
  • func (img *Image) Point() int
  • func (img *Image) PointMicro() int
  • func (img *Image) SetBinary(x, y int, c Color)
  • func (img *Image) XorBinary(x, y int, c Color)

Types

type Color

type Color = bitmap.Color

const Black Color = true

const White Color = false

type Image

type Image struct {
	Pix    []uint8
	Stride int
	Rect   image.Rectangle
}

Image is a binary image.

func Import

func Import(img *bitmap.Image) *Image

func New

func New(r image.Rectangle) *Image

func (*Image) BinaryAt

func (img *Image) BinaryAt(x, y int) Color

func (*Image) Clone

func (img *Image) Clone() *Image

Clone returns a clone of img.

func (*Image) Copy

func (img *Image) Copy(from *Image) *Image

func (*Image) EncodePBM

func (img *Image) EncodePBM(w io.Writer) error

func (*Image) Export

func (img *Image) Export() *bitmap.Image

func (*Image) Mask

func (img *Image) Mask(in, mask, pattern *Image) *Image

func (*Image) OnesCount

func (img *Image) OnesCount() int

OnesCount returns the number of 1-pixels (black-pixels).

func (*Image) Point

func (img *Image) Point() int

func (*Image) PointMicro

func (img *Image) PointMicro() int

func (*Image) SetBinary

func (img *Image) SetBinary(x, y int, c Color)

func (*Image) XorBinary

func (img *Image) XorBinary(x, y int, c Color)