graymap

Documentation

Index

• type Color
  • func (c Color) RGBA() (r, g, b, a uint32)
• type Image
  • func New(r image.Rectangle, m Model) *Image
  • func (img *Image) At(x, y int) color.Color
  • func (img *Image) Bounds() image.Rectangle
  • func (img *Image) ColorModel() color.Model
  • func (img *Image) GrayAt(x, y int) Color
  • func (img *Image) Set(x, y int, c color.Color)
  • func (img *Image) SetGray(x, y int, c Color)
• type Model
  • func (m Model) Convert(c color.Color) color.Color

Types

type Color

type Color struct {
	Y   uint16
	Max Model
}

Color represents a gray color in any depth.

func (Color) RGBA

func (c Color) RGBA() (r, g, b, a uint32)

type Image

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

func New

func New(r image.Rectangle, m Model) *Image

func (*Image) At

func (img *Image) At(x, y int) color.Color

func (*Image) Bounds

func (img *Image) Bounds() image.Rectangle

Bounds implements image.Image.

func (*Image) ColorModel

func (img *Image) ColorModel() color.Model

ColorModel implements image.Image.

func (*Image) GrayAt

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

func (*Image) Set

func (img *Image) Set(x, y int, c color.Color)

func (*Image) SetGray

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

type Model

type Model uint16

Model represents a gray color model.

func (Model) Convert

func (m Model) Convert(c color.Color) color.Color