public void ExecuteFitler(IInPlaceFilter filter)
{
BitmapSource bitmapSource = currentImageHandler.GetCropedImageSource().Clone();
Bitmap bitmap = ImageHelper.BitmapFromSource(bitmapSource);
filter.ApplyInPlace(bitmap);
BitmapSource newBitmapSouce = ImageHelper.ConvertBitmap(bitmap);
this.currentImageHandler.CurrentImage.Source = newBitmapSouce;
}
public void ApplyInPlace(BitmapData imageData)
{
BeforeApplyingFilter(imageData);
IInPlaceFilter inPlaceFilter = filter as IInPlaceFilter;
if (inPlaceFilter != null)
{
inPlaceFilter.ApplyInPlace(imageData);
}
FilterApplied(imageData);
}
public void ApplyFilterInPlace(IInPlaceFilter filter)
{
try
{
SetUndo();
filter.ApplyInPlace(bitmap);
MenuItemUndo.Enabled = true;
toolStripButtonUndo.Enabled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "SPixel", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
this.imageDisplay.Invalidate();
}
public void ApplyFilter(ref System.Drawing.Bitmap resultBitmap)
{
iInPlaceFilter.ApplyInPlace(resultBitmap);
}
public override ulong Create(BitmapData image)
{
var data = new DenseMatrix(32, 32);
using (var unmanaged = new UnmanagedImage(image))
{
using (var filtered = ExtractChannel.Apply(unmanaged))
{
Filter.ApplyInPlace(filtered);
using (var imgdata = Resize.Apply(filtered))
{
unsafe
{
var src = (byte *)imgdata.ImageData.ToPointer();
var offset = imgdata.Stride - imgdata.Width;
var width = imgdata.Width;
var height = imgdata.Height;
for (var y = 0; y < height; y++)
{
for (var x = 0; x < width; x++, src++)
{
data.At(y, x, (float)*src / 255);
}
src += offset;
}
}
}
}
}
var dct = DctMatrix.FastDCT(data);
var vals = new double[dctsize * dctsize];
var valscount = 0;
for (var r = 1; r <= dctsize; r++)
{
for (var c = 1; c <= dctsize; c++)
{
vals[valscount] = dct.At(r, c);
++valscount;
}
}
var sorted = new double[dctsize * dctsize];
Array.Copy(vals, sorted, vals.Length);
Array.Sort(sorted);
var mid = dctsize * dctsize / 2;
var median = (sorted[mid - 1] + sorted[mid]) / 2d;
ulong index = 1;
ulong result = 0;
for (var i = 0; i < dctsize * dctsize; i++)
{
if (vals[i] > median)
{
result |= index;
}
index = index << 1;
}
return(result);
}
//Easier to chain filters
public static Bitmap ApplyInPlace(this Bitmap bitmap, IInPlaceFilter filter)
{
filter.ApplyInPlace(bitmap);
return bitmap;
}
