/// <summary>
///
/// </summary>
/// <param name="mode"></param>
public void SetMode(BlockMeanHashMode mode)
{
ThrowIfDisposed();
NativeMethods.HandleException(
NativeMethods.img_hash_BlockMeanHash_setMode(ptr, (int)mode));
GC.KeepAlive(this);
}
public void CompareSameImage(BlockMeanHashMode mode)
{
using (var model = BlockMeanHash.Create(mode))
using (var img1 = Image("lenna.png", ImreadModes.GrayScale))
{
double hash = model.Compare(img1, img1);
Assert.Equal(0, hash, 6);
}
}
public void CompareDifferentImage(BlockMeanHashMode mode)
{
using (var model = BlockMeanHash.Create(mode))
using (var img1 = Image("lenna.png", ImreadModes.GrayScale))
using (var img2 = Image("building.jpg", ImreadModes.GrayScale))
{
var size = new Size(256, 256);
using (var scaledImg1 = img1.Resize(size))
using (var scaledImg2 = img2.Resize(size))
{
double hash = model.Compare(scaledImg1, scaledImg2);
Assert.Equal(264411, hash, 6);
}
}
}
/// <summary>
/// Create BlockMeanHash object
/// </summary>
/// <param name="mode"></param>
/// <returns></returns>
public static BlockMeanHash Create(BlockMeanHashMode mode = BlockMeanHashMode.Mode0)
{
var p = NativeMethods.img_hash_BlockMeanHash_create((int)mode);
return(new BlockMeanHash(p));
}
/// <summary>
/// Create BlockMeanHash object
/// </summary>
/// <param name="mode"></param>
/// <returns></returns>
public static BlockMeanHash Create(BlockMeanHashMode mode = BlockMeanHashMode.Mode0)
{
NativeMethods.HandleException(
NativeMethods.img_hash_BlockMeanHash_create((int)mode, out var p));
return(new BlockMeanHash(p));
}