Package color implements a basic color library.

Package draw provides image composition functions.

Package gif implements a GIF image decoder.

Package jpeg implements a JPEG image decoder and encoder.

Package png implements a PNG image decoder and encoder.

Decode decodes an image that has been encoded in a registered format.

DecodeConfig decodes the color model and dimensions of an image that has been encoded in a registered format.

NewAlpha returns a new Alpha with the given bounds.

NewAlpha16 returns a new Alpha16 with the given bounds.

NewGray returns a new Gray with the given bounds.

NewGray16 returns a new Gray16 with the given bounds.

NewNRGBA returns a new NRGBA with the given bounds.

NewNRGBA64 returns a new NRGBA64 with the given bounds.

NewPaletted returns a new Paletted with the given width, height and palette.

NewRGBA returns a new RGBA with the given bounds.

NewRGBA64 returns a new RGBA64 with the given bounds.

NewYCbCr returns a new YCbCr with the given bounds and subsample ratio.

Pt is shorthand for Point{X, Y}.

Rect is shorthand for Rectangle{Pt(x0, y0), Pt(x1, y1)}.

RegisterFormat registers an image format for use by Decode.

Black is an opaque black uniform image.

ErrFormat indicates that decoding encountered an unknown format.

Opaque is a fully opaque uniform image.

Transparent is a fully transparent uniform image.

White is an opaque white uniform image.

ZP is the zero Point.

ZR is the zero Rectangle.

Alpha is an in-memory image whose At method returns color.Alpha values.

Alpha16 is an in-memory image whose At method returns color.Alpha64 values.

Config holds an image's color model and dimensions.

Gray is an in-memory image whose At method returns color.Gray values.

Gray16 is an in-memory image whose At method returns color.Gray16 values.

NRGBA is an in-memory image whose At method returns color.NRGBA values.

NRGBA64 is an in-memory image whose At method returns color.NRGBA64 values.

Paletted is an in-memory image of uint8 indices into a given palette.

A Point is an X, Y coordinate pair.

A Rectangle contains the points with Min.X <= X < Max.X, Min.Y <= Y < Max.Y.

RGBA is an in-memory image whose At method returns color.RGBA values.

RGBA64 is an in-memory image whose At method returns color.RGBA64 values.

Uniform is an infinite-sized Image of uniform color.

YCbCr is an in-memory image of Y'CbCr colors.

Image is a finite rectangular grid of color.Color values taken from a color model.

PalettedImage is an image whose colors may come from a limited palette.

YCbCrSubsampleRatio is the chroma subsample ratio used in a YCbCr image.