fltimg

Documentation

Overview

fltimg provides image.Image implementations for the float32- and float64-image encodings of FITS.

Index

• Variables
• type Gray32
  • func NewGray32(rect image.Rectangle, pix []byte) *Gray32
  • func (p *Gray32) At(x, y int) color.Color
  • func (p *Gray32) Bounds() image.Rectangle
  • func (p *Gray32) ColorModel() color.Model
  • func (p *Gray32) PixOffset(x, y int) int
  • func (p *Gray32) Set(x, y int, c color.Color)
• type Gray64
  • func NewGray64(rect image.Rectangle, pix []byte) *Gray64
  • func (p *Gray64) At(x, y int) color.Color
  • func (p *Gray64) Bounds() image.Rectangle
  • func (p *Gray64) ColorModel() color.Model
  • func (p *Gray64) PixOffset(x, y int) int
  • func (p *Gray64) Set(x, y int, c color.Color)

Variables

var (
	Gray32Model color.Model = color.ModelFunc(gray32Model)
	Gray64Model color.Model = color.ModelFunc(gray64Model)
)

Models for the fltimg color types.

Types

type Gray32

type Gray32 struct {
	Pix    []uint8
	Stride int
	Rect   image.Rectangle
	Min    float32
	Max    float32
}

Gray32 represents an image.Image encoded in 32b IEEE floating-point values

func NewGray32

func NewGray32(rect image.Rectangle, pix []byte) *Gray32

NewGray32 creates a new Gray32 image with the given bounds.

func (*Gray32) At

func (p *Gray32) At(x, y int) color.Color

func (*Gray32) Bounds

func (p *Gray32) Bounds() image.Rectangle

func (*Gray32) ColorModel

func (p *Gray32) ColorModel() color.Model

func (*Gray32) PixOffset

func (p *Gray32) PixOffset(x, y int) int

func (*Gray32) Set

func (p *Gray32) Set(x, y int, c color.Color)

type Gray64

type Gray64 struct {
	Pix    []uint8
	Stride int
	Rect   image.Rectangle
	Min    float64
	Max    float64
}

Gray64 represents an image.Image encoded in 64b IEEE floating-point values

func NewGray64

func NewGray64(rect image.Rectangle, pix []byte) *Gray64

NewGray64 creates a new Gray64 image with the given bounds.

func (*Gray64) At

func (p *Gray64) At(x, y int) color.Color

func (*Gray64) Bounds

func (p *Gray64) Bounds() image.Rectangle

func (*Gray64) ColorModel

func (p *Gray64) ColorModel() color.Model

func (*Gray64) PixOffset

func (p *Gray64) PixOffset(x, y int) int

func (*Gray64) Set

func (p *Gray64) Set(x, y int, c color.Color)