public void Slice_Typical()
{
var tiles = new[]
{
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 0), new Point(254, 254)), "0_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 253), new Point(254, 374)), "0_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 0), new Point(299, 254)), "1_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 253), new Point(299, 374)), "1_1"),
};
var streams = new Dictionary <string, MemoryStream>
{
{ "0_0", new MemoryStream() },
{ "0_1", new MemoryStream() },
{ "1_0", new MemoryStream() },
{ "1_1", new MemoryStream() },
};
var settings = new Settings {
PostImageEncoding = ImageFormat.Png,
};
var dzi = new DeepZoomImage(settings);
try
{
using (var inputStream = AssemblyExtensions.OpenScopedResourceStream <DeepZoomImageTest> ("300x375.png"))
using (var sourceBitmap = new Bitmap(inputStream))
{
dzi.Slice(sourceBitmap, tiles, tilename => streams[tilename]);
}
foreach (var keyValuePair in streams)
{
var expectedResourceFileName = keyValuePair.Key + ".png";
var actualStream = keyValuePair.Value;
ProgramTest.AssertStreamsAreEqual <DeepZoomImageTest> (expectedResourceFileName, actualStream);
}
}
finally
{
foreach (var stream in streams.Values)
{
stream.Close();
stream.Dispose();
}
}
}
public void Slice_SquareLogo()
{
Assert.AreEqual(10, DeepZoomImage.DetermineMaximumLevel(SquareLogoSize));
using (var sourceBitmap = new Bitmap(SquareLogoSize.Width, SquareLogoSize.Height))
{
var tester = new Action <int, IEnumerable <Size> > ((level, expectedSliceSizes) =>
{
var levelSize = DeepZoomImage.ComputeLevelSize(SquareLogoSize, level);
var tiles = DeepZoomImage.ComputeTiles(levelSize, 254, 1);
var slices = DeepZoomImage.Slice(sourceBitmap, tiles);
var actualSliceSizes = slices.Map(pair => pair.First.Size);
EnumerableExtensions.EnumerateSame(expectedSliceSizes, actualSliceSizes);
}
);
tester(10, new[]
{
new Size(255, 255), new Size(255, 256), new Size(255, 193),
new Size(256, 255), new Size(256, 256), new Size(256, 193),
new Size(193, 255), new Size(193, 256), new Size(193, 193),
}
);
tester(9, new[]
{
new Size(255, 255), new Size(255, 97),
new Size(97, 255), new Size(97, 97),
}
);
tester(8, new[] { new Size(175, 175) });
tester(7, new[] { new Size(88, 88) });
tester(6, new[] { new Size(44, 44) });
tester(5, new[] { new Size(22, 22) });
tester(4, new[] { new Size(11, 11) });
tester(3, new[] { new Size(6, 6) });
tester(2, new[] { new Size(3, 3) });
tester(1, new[] { new Size(2, 2) });
tester(0, new[] { new Size(1, 1) });
}
}
public void Slice_Typical ()
{
var tiles = new[]
{
new Pair<Rectangle, string>(DeepZoomImage.CreateRectangle (new Point( 0, 0), new Point(254, 254)), "0_0"),
new Pair<Rectangle, string>(DeepZoomImage.CreateRectangle (new Point( 0, 253), new Point(254, 374)), "0_1"),
new Pair<Rectangle, string>(DeepZoomImage.CreateRectangle (new Point(253, 0), new Point(299, 254)), "1_0"),
new Pair<Rectangle, string>(DeepZoomImage.CreateRectangle (new Point(253, 253), new Point(299, 374)), "1_1"),
};
var streams = new Dictionary<string, MemoryStream>
{
{"0_0", new MemoryStream()},
{"0_1", new MemoryStream()},
{"1_0", new MemoryStream()},
{"1_1", new MemoryStream()},
};
var settings = new Settings { PostImageEncoding = ImageFormat.Png, };
var dzi = new DeepZoomImage (settings);
try
{
using (var inputStream = AssemblyExtensions.OpenScopedResourceStream<DeepZoomImageTest> ("300x375.png"))
using (var sourceBitmap = new Bitmap (inputStream))
{
dzi.Slice (sourceBitmap, tiles, tilename => streams[tilename]);
}
foreach (var keyValuePair in streams)
{
var expectedResourceFileName = keyValuePair.Key + ".png";
var actualStream = keyValuePair.Value;
ProgramTest.AssertStreamsAreEqual<DeepZoomImageTest> (expectedResourceFileName, actualStream);
}
}
finally
{
foreach (var stream in streams.Values)
{
stream.Close ();
stream.Dispose ();
}
}
}