public void Can_transform_screen_point() { var rect = new RectangleF( 0, 0, 100, 200 ); var transform = new ScreenTransform( 1000, 2000, 1000, 2000 ); PointD point = transform.ToCoordinatePoint( rect, new PointF(10, 70) ); Assert.That( point.X, Is.EqualTo( 1100 ) ); Assert.That( point.Y, Is.EqualTo( 1200 ) ); }
public void Can_transform_point() { var rect = new RectangleF( 0, 0, 100, 200 ); var transform = new ScreenTransform( 1000, 2000, 1000, 2000 ); PointF point = transform.ToScreenPoint( rect, new PointD(1100, 1200) ); Assert.That( Math.Round(point.X,5), Is.EqualTo( 10 ) ); Assert.That( point.Y, Is.EqualTo( 70 ) ); }
public void Can_take_bounds_in_constructor() { var transform = new ScreenTransform(0,10,20,30); Assert.That( transform.MinX, Is.EqualTo( 0 ) ); Assert.That( transform.MaxX, Is.EqualTo( 10 ) ); Assert.That( transform.MinY, Is.EqualTo( 20 ) ); Assert.That( transform.MaxY, Is.EqualTo( 30 ) ); }
public void Can_zoom_out() { var transform = new ScreenTransform( 0, 100, 0, 200 ); transform.ZoomOut( 10 ); Assert.That( transform.MinX, Is.EqualTo( -5 ) ); Assert.That( transform.MaxX, Is.EqualTo( 105 ) ); Assert.That( transform.MinY, Is.EqualTo( -10 ) ); Assert.That( transform.MaxY, Is.EqualTo( 210 ) ); }
public void Can_zoom_in() { var transform = new ScreenTransform( 0, 100, 0, 100 ); transform.ZoomIn( 10 ); Assert.That( transform.MinX, Is.EqualTo( 5 ) ); Assert.That( transform.MaxX, Is.EqualTo( 95 ) ); Assert.That( transform.MinY, Is.EqualTo( 5 ) ); Assert.That( transform.MaxY, Is.EqualTo( 95 ) ); }
public void Can_shift_by_screen_coordinates() { var rect = new RectangleF( 0, 0, 100, 200 ); var transform = new ScreenTransform( 1000, 2000, 1000, 2000 ); transform.ShiftByScreenDelta( rect, -10, -10 ); Assert.That( transform.MinX, Is.EqualTo( 900 ) ); Assert.That( transform.MaxX, Is.EqualTo( 1900 ) ); Assert.That( transform.MinY, Is.EqualTo( 900 ) ); Assert.That( transform.MaxY, Is.EqualTo( 1900 ) ); }
public void Zoom_is_relative_to_span_in_each_direction() { var transform = new ScreenTransform( 0, 100, 0, 200 ); transform.ZoomIn( 10 ); Assert.That( transform.MinX, Is.EqualTo( 5 ) ); Assert.That( transform.MaxX, Is.EqualTo( 95 ) ); Assert.That( transform.MinY, Is.EqualTo( 10 ) ); Assert.That( transform.MaxY, Is.EqualTo( 190 ) ); }
public void Max_zoom_in_one_step_is_fifty() { var transform = new ScreenTransform( 0, 100, 0, 100 ); transform.ZoomIn( 100 ); Assert.That( transform.MinX, Is.EqualTo( 25 ) ); Assert.That( transform.MaxX, Is.EqualTo( 75 ) ); Assert.That( transform.MinY, Is.EqualTo( 25 ) ); Assert.That( transform.MaxY, Is.EqualTo( 75 ) ); }