package x import "git.tebibyte.media/tomo/tomo" import "git.tebibyte.media/tomo/tomo/canvas" type canvasBox struct { *box } func (backend *Backend) NewCanvasBox () tomo.CanvasBox { box := &canvasBox { box: backend.NewBox().(*box), } box.outer = box return box } func (this *canvasBox) Box () tomo.Box { return this } func (this *canvasBox) SetDrawer (drawer canvas.Drawer) { this.drawer = drawer this.invalidateDraw() } func (this *canvasBox) Invalidate () { this.invalidateDraw() }