backend

type Deployer interface {
	//Deploy copia a imagem im para a tela(screen). a imagem im deve ter ordem MSB(Most Significant Byte First)
	Deploy(im *image.RGBA, area image.Rectangle)
}

type Drawable interface {
	Draw(Drawer)
}

type Drawer interface {
}

type Environment interface {
	// CreateHandler creates a new handler.
	CreateHandler(Title string, X, Y, Width, Height int) (Handler, error)

	// Run the application.
	// this function must handler all events and must draw the window.
	Run() error
}

type EnvironmentProvider func() Environment

type Event struct {
	Handler Handler
	Type    EventType

	Height int
	Width  int
}

type EventType uint32

type Handler interface {
	SetDrawable(Drawable)
	Drawable() Drawable

	SetVisibility(bool)
	Destroy()
}