public void AddOverlay_WhenOverlayIsNotNull_AddsTheOverlay()
{
var overlayManager = new OverlayManager();
var overlay = new StubOverlay();
overlayManager.AddOverlay(overlay);
Assert.AreElementsEqual(new[] { overlay }, overlayManager.Overlays);
}
public void AddOverlay_WhenOverlayIsNotNullAndIsNotPresent_DoesNothing()
{
var overlayManager = new OverlayManager();
var overlay = new StubOverlay();
overlayManager.RemoveOverlay(overlay);
Assert.Count(0, overlayManager.Overlays);
}
/// <summary>
/// Creates a screen recorder.
/// </summary>
/// <param name="grabber">The screen grabber.</param>
/// <param name="video">The video to which frames are to be added.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="grabber"/> or
/// <paramref name="video"/> is null.</exception>
/// <exception cref="ArgumentException">Thrown if <paramref name="video"/> size
/// is not exactly equal to the <paramref name="grabber"/> screenshot size.</exception>
public ScreenRecorder(ScreenGrabber grabber, Video video)
{
if (grabber == null)
throw new ArgumentNullException("grabber");
if (video == null)
throw new ArgumentNullException("video");
if (video.Parameters.Width != grabber.ScreenshotWidth ||
video.Parameters.Height != grabber.ScreenshotHeight)
throw new ArgumentException("The video dimensions must be exactly the same as the screenshots obtained by the grabber.");
this.grabber = grabber;
this.video = video;
overlayManager = new OverlayManager();
}
/// <summary>
/// Creates a screen grabber.
/// </summary>
/// <param name="parameters">The capture parameters.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="parameters"/> is null.</exception>
public ScreenGrabber(CaptureParameters parameters)
{
if (parameters == null)
throw new ArgumentNullException("parameters");
this.parameters = parameters;
Size screenSize = GetScreenSize();
screenWidth = screenSize.Width;
screenHeight = screenSize.Height;
xyScale = Math.Sqrt(parameters.Zoom);
screenshotWidth = (int) Math.Round(screenWidth * xyScale);
screenshotHeight = (int) Math.Round(screenHeight * xyScale);
overlayManager = new OverlayManager();
}
public void Paint()
{
var overlayManager = new OverlayManager();
var overlay = new CaptionOverlay()
{
Text = "This is some text.",
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Bottom
};
overlayManager.AddOverlay(overlay);
using (Bitmap bitmap = CreateBitmapWithBackground())
{
overlayManager.PaintOverlaysOnImage(bitmap, 0, 0);
TestLog.WriteLine("Image should contain 'This is some text.' centered at the bottom.");
TestLog.EmbedImage("Image", bitmap);
}
}
/// <summary>
/// Creates a screen grabber.
/// </summary>
/// <param name="parameters">The capture parameters.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="parameters"/> is null.</exception>
public ScreenGrabber(CaptureParameters parameters)
{
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
this.parameters = parameters;
Size screenSize = GetScreenSize();
screenWidth = screenSize.Width;
screenHeight = screenSize.Height;
xyScale = Math.Sqrt(parameters.Zoom);
screenshotWidth = (int)Math.Round(screenWidth * xyScale);
screenshotHeight = (int)Math.Round(screenHeight * xyScale);
overlayManager = new OverlayManager();
}
/// <summary>
/// Creates a screen recorder.
/// </summary>
/// <param name="grabber">The screen grabber.</param>
/// <param name="video">The video to which frames are to be added.</param>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="grabber"/> or
/// <paramref name="video"/> is null.</exception>
/// <exception cref="ArgumentException">Thrown if <paramref name="video"/> size
/// is not exactly equal to the <paramref name="grabber"/> screenshot size.</exception>
public ScreenRecorder(ScreenGrabber grabber, Video video)
{
if (grabber == null)
{
throw new ArgumentNullException("grabber");
}
if (video == null)
{
throw new ArgumentNullException("video");
}
if (video.Parameters.Width != grabber.ScreenshotWidth ||
video.Parameters.Height != grabber.ScreenshotHeight)
{
throw new ArgumentException("The video dimensions must be exactly the same as the screenshots obtained by the grabber.");
}
this.grabber = grabber;
this.video = video;
overlayManager = new OverlayManager();
}
public void PaintOverlays_PaintsAllOverlaysAndRestoresGraphicsContextForEachOne()
{
var overlayManager = new OverlayManager();
var overlay1 = new OverlayThatChangesInterpolationMode();
var overlay2 = new OverlayThatChangesInterpolationMode();
overlayManager.AddOverlay(overlay1);
overlayManager.AddOverlay(overlay2);
using (Bitmap bitmap = new Bitmap(32, 32))
{
using (Graphics graphics = Graphics.FromImage(bitmap))
{
graphics.InterpolationMode = InterpolationMode.HighQualityBilinear;
var request = new OverlayPaintRequest(graphics, new Rectangle(0, 0, 32, 32), 0, 0);
overlayManager.PaintOverlays(request);
Assert.Multiple(() =>
{
Assert.AreEqual(InterpolationMode.HighQualityBilinear, graphics.InterpolationMode);
Assert.IsTrue(overlay1.WasPainted);
Assert.AreEqual(InterpolationMode.HighQualityBilinear, overlay1.OldInterpolationMode);
Assert.IsTrue(overlay2.WasPainted);
Assert.AreEqual(InterpolationMode.HighQualityBilinear, overlay2.OldInterpolationMode);
});
}
}
}
public void PaintOverlays_WhenRequestIsNull_Throws()
{
var overlayManager = new OverlayManager();
Assert.Throws<ArgumentNullException>(() => overlayManager.PaintOverlays(null));
}
public void RemoveOverlay_WhenOverlayIsNull_Throws()
{
var overlayManager = new OverlayManager();
Assert.Throws<ArgumentNullException>(() => overlayManager.RemoveOverlay(null));
}
public void ToOverlay_ReturnsACompositeOverlay()
{
var overlayManager = new OverlayManager();
var overlay = new OverlayThatChangesInterpolationMode();
overlayManager.AddOverlay(overlay);
Overlay compositeOverlay = overlayManager.ToOverlay();
var compositeOverlayManager = new OverlayManager();
compositeOverlayManager.AddOverlay(compositeOverlay);
using (Bitmap bitmap = new Bitmap(32, 32))
compositeOverlayManager.PaintOverlaysOnImage(bitmap, 0, 0);
Assert.IsTrue(overlay.WasPainted);
}
public void PaintOverlaysOnImage_WhenImageIsNull_Throws()
{
var overlayManager = new OverlayManager();
Assert.Throws<ArgumentNullException>(() => overlayManager.PaintOverlaysOnImage(null, 0, 0));
}
public CompositeOverlay(OverlayManager overlayManager)
{
this.overlayManager = overlayManager;
}
/// <summary>
/// Gets the overlay manager for the specified test context.
/// </summary>
/// <param name="context">The test context.</param>
/// <returns>The overlay manager.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="context"/> is null.</exception>
public static OverlayManager GetOverlayManager(TestContext context)
{
if (context == null)
throw new ArgumentNullException("context");
lock (context.Data)
{
OverlayManager overlayManager;
if (! context.Data.TryGetValue(OverlayManagerKey, out overlayManager))
{
overlayManager = new OverlayManager();
context.Data.SetValue(OverlayManagerKey, overlayManager);
}
return overlayManager;
}
}
public CompositeOverlay(OverlayManager overlayManager)
{
this.overlayManager = overlayManager;
}
