public static ImageBuffers GetBuffersFromImage(Bitmap bmp)
{
try
{
UnsafeBitmap unsafeBitmap = new UnsafeBitmap(bmp);
ImageBuffers buffers = new ImageBuffers();
buffers.R = new int[bmp.Width * bmp.Height];
buffers.G = new int[bmp.Width * bmp.Height];
buffers.B = new int[bmp.Width * bmp.Height];
buffers.Width = bmp.Width;
buffers.Height = bmp.Height;
int count = 0;
for (int i = 0; i < bmp.Width; i++)
{
for (int j = 0; j < bmp.Height; j++)
{
buffers.R[count] = unsafeBitmap.GetPixel(i, j).R;
buffers.G[count] = unsafeBitmap.GetPixel(i, j).G;
buffers.B[count++] = unsafeBitmap.GetPixel(i, j).B;
}
}
unsafeBitmap.UnlockBits();
return(buffers);
}
catch (Exception ex)
{
return(null);
}
}
public static UnsafeBitmap GetImageFromBuffers(ImageBuffers buffers)
{
try
{
UnsafeBitmap bmp = new UnsafeBitmap(buffers.Width, buffers.Height);
int count = 0;
for (int i = 0; i < bmp.Width; i++)
{
for (int j = 0; j < bmp.Height; j++)
{
int R = buffers.R[count];
int G = buffers.G[count];
int B = buffers.B[count++];
bmp.SetPixel(i, j, Color.FromArgb(R, G, B));
}
}
bmp.UnlockBits();
return(bmp);
}
catch (Exception ex)
{
return(null);
}
}
void fn(ImageBuffers x)
{
var buffersOfFirstImage = BuffersFirstImage;
int width = buffersOfFirstImage.Width;
int height = buffersOfFirstImage.Height;
int imageSize = width * height;
sobel(buffersOfFirstImage.RedChannel, buffersOfFirstImage.GreenChannel, height, width, imageSize, 'x');
sobel(buffersOfFirstImage.RedChannel, buffersOfFirstImage.BlueChannel, height, width, imageSize, 'y');
var outputbuffer = ImageHelper.CreateNewImageBuffersObject(buffersOfFirstImage.GreenChannel, buffersOfFirstImage.GreenChannel, buffersOfFirstImage.GreenChannel, width, height);
var outputBuffersObject = ImageHelper.CreateNewImageBuffersObject(buffersOfFirstImage.BlueChannel, buffersOfFirstImage.BlueChannel, buffersOfFirstImage.BlueChannel, width, height);
for (int i = 0; i < outputBuffersObject.GreenChannel.Length; i++)
{
outputBuffersObject.GreenChannel[i] = (int)Math.Sqrt((Math.Pow(outputBuffersObject.GreenChannel[i], 2) + (Math.Pow(outputbuffer.BlueChannel[i], 2))));
outputBuffersObject.GreenChannel[i] = outputBuffersObject.GreenChannel[i] % 255;
}
this.outputImage_pictureBox.Image = (Bitmap)ImageHelper.GetImageFromBuffers(outputBuffersObject).BitmapObject;
}