public void ComputeTiles_AllLevelsOfSquareLogo()
{
var tester = new Action <int, int, int> ((inputSide, expectedTileCount, expectedFirstTileSize) =>
{
var tiles = DeepZoomImage.ComputeTiles(new Size(inputSide, inputSide), 254, 1);
var e = tiles.GetEnumerator();
e.MoveNext();
var firstTile = e.Current;
var actualRectangle = firstTile.First;
var expectedRectangle = new Rectangle(0, 0, expectedFirstTileSize, expectedFirstTileSize);
Assert.AreEqual(expectedRectangle, actualRectangle);
var actualTileCount = 1;
while (e.MoveNext())
{
actualTileCount++;
}
Assert.AreEqual(expectedTileCount, actualTileCount);
}
);
tester(700, 9, 255);
tester(350, 4, 255);
tester(175, 1, 175);
tester(88, 1, 88);
tester(44, 1, 44);
tester(22, 1, 22);
tester(11, 1, 11);
tester(6, 1, 6);
tester(3, 1, 3);
tester(2, 1, 2);
tester(1, 1, 1);
}
public void ComputeTiles_SizeOfTile()
{
var size = new Size(254, 254);
var actual = DeepZoomImage.ComputeTiles(size, 254, 1);
var expected = new[] { new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(size), "0_0") };
EnumerableExtensions.EnumerateSame(expected, actual);
}
private static IEnumerable <Pair <Rectangle, string> > TestComputeTiles(Size levelSize, int tileSize, int tileOverlap)
{
var settings = new Settings
{
TileSize = tileSize,
TileOverlap = tileOverlap,
};
var dzi = new DeepZoomImage(settings);
return(dzi.ComputeTiles(levelSize));
}
public void ComputeTiles_TwoPixelsBiggerThanTileWithOverlapOfTwo()
{
var size = new Size(256, 256);
var actual = DeepZoomImage.ComputeTiles(size, 254, 2);
var expected = new[]
{
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 0), new Point(255, 255)), "0_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 252), new Point(255, 255)), "0_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(252, 0), new Point(255, 255)), "1_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(252, 252), new Point(255, 255)), "1_1"),
};
EnumerableExtensions.EnumerateSame(expected, actual);
}
public void ComputeTiles_OnePixelBiggerThanTile()
{
var size = new Size(255, 255);
var actual = DeepZoomImage.ComputeTiles(size, 254, 1);
var expected = 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, 254)), "0_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 0), new Point(254, 254)), "1_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 253), new Point(254, 254)), "1_1"),
};
EnumerableExtensions.EnumerateSame(expected, actual);
}
public void ComputeTiles_BiggerThanTileWithOverlapOfThree()
{
var size = new Size(300, 375);
var actual = DeepZoomImage.ComputeTiles(size, 254, 3);
var expected = new[]
{
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 0), new Point(256, 256)), "0_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 251), new Point(256, 374)), "0_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(251, 0), new Point(299, 256)), "1_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(251, 251), new Point(299, 374)), "1_1"),
};
EnumerableExtensions.EnumerateSame(expected, actual);
}
public void ComputeTiles_OriginalSize()
{
var size = new Size(1200, 1500);
var actual = DeepZoomImage.ComputeTiles(size, 254, 1);
var expected = 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, 508)), "0_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 507), new Point(254, 762)), "0_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 761), new Point(254, 1016)), "0_3"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 1015), new Point(254, 1270)), "0_4"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 1269), new Point(254, 1499)), "0_5"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 0), new Point(508, 254)), "1_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 253), new Point(508, 508)), "1_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 507), new Point(508, 762)), "1_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 761), new Point(508, 1016)), "1_3"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 1015), new Point(508, 1270)), "1_4"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 1269), new Point(508, 1499)), "1_5"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 0), new Point(762, 254)), "2_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 253), new Point(762, 508)), "2_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 507), new Point(762, 762)), "2_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 761), new Point(762, 1016)), "2_3"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 1015), new Point(762, 1270)), "2_4"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 1269), new Point(762, 1499)), "2_5"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(761, 0), new Point(1016, 254)), "3_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(761, 253), new Point(1016, 508)), "3_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(761, 507), new Point(1016, 762)), "3_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(761, 761), new Point(1016, 1016)), "3_3"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(761, 1015), new Point(1016, 1270)), "3_4"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(761, 1269), new Point(1016, 1499)), "3_5"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(1015, 0), new Point(1199, 254)), "4_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(1015, 253), new Point(1199, 508)), "4_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(1015, 507), new Point(1199, 762)), "4_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(1015, 761), new Point(1199, 1016)), "4_3"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(1015, 1015), new Point(1199, 1270)), "4_4"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(1015, 1269), new Point(1199, 1499)), "4_5"),
};
EnumerableExtensions.EnumerateSame(expected, actual);
}
public void ComputeTiles_BigWithDoubleOverlap()
{
var size = new Size(700, 700);
var actual = DeepZoomImage.ComputeTiles(size, 254, 1);
var expected = 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, 508)), "0_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(0, 507), new Point(254, 699)), "0_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 0), new Point(508, 254)), "1_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 253), new Point(508, 508)), "1_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(253, 507), new Point(508, 699)), "1_2"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 0), new Point(699, 254)), "2_0"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 253), new Point(699, 508)), "2_1"),
new Pair <Rectangle, string>(DeepZoomImage.CreateRectangle(new Point(507, 507), new Point(699, 699)), "2_2"),
};
EnumerableExtensions.EnumerateSame(expected, actual);
}
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) });
}
}
private static IEnumerable<Pair<Rectangle, string>> TestComputeTiles (Size levelSize, int tileSize, int tileOverlap)
{
var settings = new Settings
{
TileSize = tileSize,
TileOverlap = tileOverlap,
};
var dzi = new DeepZoomImage (settings);
return dzi.ComputeTiles (levelSize);
}