htmlcanvas

Documentation

Index

• type HTMLCanvas
  • func New(c js.Value, width, height, dpm float64) *HTMLCanvas
  • func (r *HTMLCanvas) RenderImage(img image.Image, m canvas.Matrix)
  • func (r *HTMLCanvas) RenderPath(path *canvas.Path, style canvas.Style, m canvas.Matrix)
  • func (r *HTMLCanvas) RenderText(text *canvas.Text, m canvas.Matrix)
  • func (r *HTMLCanvas) Size() (float64, float64)

Types

type HTMLCanvas

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

HTMLCanvas is an HTMLCanvas renderer.

func New

func New(c js.Value, width, height, dpm float64) *HTMLCanvas

New returns an HTMLCanvas renderer.

func (*HTMLCanvas) RenderImage

func (r *HTMLCanvas) RenderImage(img image.Image, m canvas.Matrix)

RenderImage renders an image to the canvas using a transformation matrix.

func (*HTMLCanvas) RenderPath

func (r *HTMLCanvas) RenderPath(path *canvas.Path, style canvas.Style, m canvas.Matrix)

RenderPath renders a path to the canvas using a style and a transformation matrix.

func (*HTMLCanvas) RenderText

func (r *HTMLCanvas) RenderText(text *canvas.Text, m canvas.Matrix)

RenderText renders a text object to the canvas using a transformation matrix.

func (*HTMLCanvas) Size

func (r *HTMLCanvas) Size() (float64, float64)

Size returns the size of the canvas in millimeters.