private static Size TestComputeLevelSize(Size itemImageSize, int levelNumber)
{
var settings = new Settings
{
ItemImageSize = itemImageSize,
};
var dzi = new DeepZoomImage(settings);
return(dzi.ComputeLevelSize(levelNumber));
}
public void ComputeLevelSize_PowerOfTwo()
{
Assert.AreEqual(new Size(1024, 512), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 11));
Assert.AreEqual(new Size(1024, 512), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 10));
Assert.AreEqual(new Size(512, 256), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 9));
Assert.AreEqual(new Size(256, 128), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 8));
Assert.AreEqual(new Size(128, 64), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 7));
Assert.AreEqual(new Size(64, 32), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 6));
Assert.AreEqual(new Size(32, 16), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 5));
Assert.AreEqual(new Size(16, 8), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 4));
Assert.AreEqual(new Size(8, 4), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 3));
Assert.AreEqual(new Size(4, 2), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 2));
Assert.AreEqual(new Size(2, 1), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 1));
Assert.AreEqual(new Size(1, 1), DeepZoomImage.ComputeLevelSize(PowerOfTwoSize, 0));
}
public void ComputeLevelSize_SquareLogo()
{
Assert.AreEqual(new Size(700, 700), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 11));
Assert.AreEqual(new Size(700, 700), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 10));
Assert.AreEqual(new Size(350, 350), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 9));
Assert.AreEqual(new Size(175, 175), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 8));
Assert.AreEqual(new Size(88, 88), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 7));
Assert.AreEqual(new Size(44, 44), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 6));
Assert.AreEqual(new Size(22, 22), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 5));
Assert.AreEqual(new Size(11, 11), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 4));
Assert.AreEqual(new Size(6, 6), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 3));
Assert.AreEqual(new Size(3, 3), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 2));
Assert.AreEqual(new Size(2, 2), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 1));
Assert.AreEqual(new Size(1, 1), DeepZoomImage.ComputeLevelSize(SquareLogoSize, 0));
}
public void ComputeLevelSize_Typical()
{
Assert.AreEqual(new Size(1200, 1500), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 12));
Assert.AreEqual(new Size(1200, 1500), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 11));
Assert.AreEqual(new Size(600, 750), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 10));
Assert.AreEqual(new Size(300, 375), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 9));
Assert.AreEqual(new Size(150, 188), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 8));
Assert.AreEqual(new Size(75, 94), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 7));
Assert.AreEqual(new Size(38, 47), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 6));
Assert.AreEqual(new Size(19, 24), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 5));
Assert.AreEqual(new Size(10, 12), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 4));
Assert.AreEqual(new Size(5, 6), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 3));
Assert.AreEqual(new Size(3, 3), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 2));
Assert.AreEqual(new Size(2, 2), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 1));
Assert.AreEqual(new Size(1, 1), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 0));
}
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 Size TestComputeLevelSize(Size itemImageSize, int levelNumber)
{
var settings = new Settings
{
ItemImageSize = itemImageSize,
};
var dzi = new DeepZoomImage (settings);
return dzi.ComputeLevelSize (levelNumber);
}
public void ComputeLevelSize_Base()
{
Assert.AreEqual(new Size(1, 1), DeepZoomImage.ComputeLevelSize(PortraitImageSize, 0));
}