renderertest

Documentation

Index

• func RenderPreview(w canvas.Writer) error
• type JPEGImage
  • func NewJPEGImage(r io.Reader) (JPEGImage, error)
• type PNGImage
  • func NewPNGImage(r io.Reader) (PNGImage, error)

Functions

func RenderPreview

func RenderPreview(w canvas.Writer) error

RenderPreview is adapted from https://github.com/tdewolff/canvas/blob/master/examples/preview/main.go Copyright (c) 2015 Taco de Wolff MIT License

Types

type JPEGImage

type JPEGImage interface {
	image.Image
	JPEGBytes() []byte
}

JPEGImage gives access to the raw bytes

func NewJPEGImage

func NewJPEGImage(r io.Reader) (JPEGImage, error)

NewJPEGImage parses a reader to later give access to the JPEG raw bytes

type PNGImage

type PNGImage interface {
	image.Image
	PNGBytes() []byte
}

PNGImage gives access to the raw bytes

func NewPNGImage

func NewPNGImage(r io.Reader) (PNGImage, error)

NewPNGImage parses a reader to later give access to the PNG raw bytes