public void SizeTrackerNegativeTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(-5, -10));
Assert.AreEqual(0.5, sizeTracker.Ratio);
sizeTracker.Width = 20;
Assert.AreEqual(40, sizeTracker.Height);
}
public void SizeTrackerDoNotMaintainAspectRatioTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600), false);
sizeTracker.Height = 480;
Assert.AreEqual(800, sizeTracker.Width);
sizeTracker.Width = 100;
Assert.AreEqual(480, sizeTracker.Height);
}
public void SizeTrackerEmptyTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(Size.Empty);
Assert.AreEqual(1.0, sizeTracker.Ratio);
sizeTracker.Height = 0;
sizeTracker.Width = 0;
Assert.AreEqual(1.0, sizeTracker.Ratio);
sizeTracker.Width = 5;
Assert.AreEqual(1.0, sizeTracker.Ratio);
}
public void SizeTrackerEventTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600));
SizeTrackerEventSink eventSink = new SizeTrackerEventSink(sizeTracker);
eventSink.ExpectedWidth = 640;
eventSink.ExpectedHeight = 480;
eventSink.ExpectedHeightChangedCallsCount = 1;
eventSink.ExpectedWidthChangedCallsCount = 0;
sizeTracker.Width = 640;
Assert.AreEqual(new Size(640, 480), sizeTracker.Size);
eventSink.Verify();
}
/*
* SetResolutionFromImage
*/
/// <summary>
/// Sets the initial resolution that is displayed on the UI.
/// </summary>
/// <param name="image">Specifies the <see cref="T:Image"/> to set the initial resolution upon.</param>
public void SetResolutionFromImage(Image image)
{
Size size = Size.Empty;
if (image != null)
{
size = image.Size;
}
this.SizeTracker = new NuGenRatioSizeTracker(size);
this.SizeTracker.HeightChanged += sizeTracker_HeightChanged;
this.SizeTracker.WidthChanged += sizeTracker_WidthChanged;
this._widthNumeric.Value = size.Width;
this._heightNumeric.Value = size.Height;
this.Enabled = size != Size.Empty;
}
/*
* SetResolutionFromImage
*/
/// <summary>
/// Sets the initial resolution that is displayed on the UI.
/// </summary>
/// <param name="image">Specifies the <see cref="T:Image"/> to set the initial resolution upon.</param>
public void SetResolutionFromImage(Image image)
{
Size size = Size.Empty;
if (image != null)
{
size = image.Size;
}
this.SizeTracker = new NuGenRatioSizeTracker(size);
this.SizeTracker.HeightChanged += sizeTracker_HeightChanged;
this.SizeTracker.WidthChanged += sizeTracker_WidthChanged;
this._widthNumeric.Value = size.Width;
this._heightNumeric.Value = size.Height;
this.Enabled = size != Size.Empty;
}
public void SizeTrackerMaintainAspectRatioTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600));
Assert.AreEqual(800.0 / 600.0, sizeTracker.Ratio);
sizeTracker.Height = 480;
Assert.AreEqual(640, sizeTracker.Size.Width);
sizeTracker.Width = 1280;
Assert.AreEqual(960, sizeTracker.Size.Height);
sizeTracker.Height = 240;
Assert.AreEqual(320, sizeTracker.Size.Width);
sizeTracker.Width = 100;
Assert.AreEqual(75, sizeTracker.Size.Height);
}
public SizeTrackerEventSink(NuGenRatioSizeTracker sizeTracker)
{
if (sizeTracker == null)
{
throw new ArgumentNullException("sizeTracker");
}
this.sizeTracker = sizeTracker;
this.sizeTracker.HeightChanged += delegate
{
this.expectedHeight.Actual = this.sizeTracker.Height;
this.expectedWidth.Actual = this.sizeTracker.Width;
this.expectedHeightChangedCallsCount.Inc();
};
this.sizeTracker.WidthChanged += delegate
{
this.expectedWidth.Actual = this.sizeTracker.Width;
this.expectedHeight.Actual = this.sizeTracker.Width;
this.expectedWidthChangedCallsCount.Inc();
};
}
public void SizeTrackerDoNotMaintainAspectRatioEventTest()
{
NuGenRatioSizeTracker sizeTracker = new NuGenRatioSizeTracker(new Size(800, 600), false);
SizeTrackerEventSink eventSink = new SizeTrackerEventSink(sizeTracker);
eventSink.ExpectedHeightChangedCallsCount = 0;
eventSink.ExpectedWidthChangedCallsCount = 0;
sizeTracker.Height = 800;
Assert.AreEqual(new Size(800, 800), sizeTracker.Size);
sizeTracker.Width = 480;
Assert.AreEqual(new Size(480, 800), sizeTracker.Size);
eventSink.Verify();
}