canvas

Documentation

Index

• type Canvas
  • func NewCanvas() *Canvas
  • func (c *Canvas) Alert(args ...interface{})
  • func (c *Canvas) Log(args ...interface{})
  • func (c *Canvas) Render() error
  • func (c *Canvas) StartWebcam() (*Canvas, error)
  • func (c *Canvas) Stop()

Types

type Canvas

type Canvas struct {
	// contains filtered or unexported fields
}

Canvas struct holds the Javascript objects needed for the Canvas creation

func NewCanvas

func NewCanvas() *Canvas

NewCanvas creates and initializes the new Canvas element

func (*Canvas) Alert

func (c *Canvas) Alert(args ...interface{})

Alert calls the `alert` Javascript function

func (*Canvas) Log

func (c *Canvas) Log(args ...interface{})

Log calls the `console.log` Javascript function

func (*Canvas) Render

func (c *Canvas) Render() error

Render calls the `requestAnimationFrame` Javascript function in asynchronous mode.

func (*Canvas) StartWebcam

func (c *Canvas) StartWebcam() (*Canvas, error)

StartWebcam reads the webcam data and feeds it into the canvas element. It returns an empty struct in case of success and error in case of failure.

func (*Canvas) Stop

func (c *Canvas) Stop()

Stop stops the rendering.