Method PointToRelPos

core/render.go:423–425

Widget position functions PointToRelPos translates a point in Scene pixel coords into relative position within node, based on the Content BBox

(pt image.Point)

// PointToRelPos translates a point in Scene pixel coords
// into relative position within node, based on the Content BBox
func (wb *WidgetBase) PointToRelPos(pt image.Point) image.Point {
	return pt.Sub(wb.Geom.ContentBBox.Min)
}

// winBBox returns the RenderWindow based bounding box for the widget
// by adding the Scene position to the ScBBox