protected void CollectPixels()
{
_maskedPixels.Clear();
_inMaskPixels.Clear();
var topX = CurrentPixel.X - MaskSize / 2;
var topY = CurrentPixel.Y - MaskSize / 2;
for (var iRow = CurrentPixel.Y - MaskSize / 2; iRow <= CurrentPixel.Y + MaskSize / 2; iRow += 1)
{
for (var iCol = CurrentPixel.X - MaskSize / 2; iCol <= CurrentPixel.X + MaskSize / 2; iCol += 1)
{
try
{
var positionedPixel = new PositionedPixel(TraversingImage[iRow, iCol], iCol, iRow);
var inMaskPixel = new InMaskPixel(TraversingImage[iRow, iCol], iCol - topX, iRow - topY);
_maskedPixels.Add(positionedPixel);
_inMaskPixels.Add(inMaskPixel);
}
catch
{
// surpressing bad pixel access
}
}
}
}
protected override ImageIterator Add(int pixelsToJump)
{
var newX = (CurrentPixel.X + pixelsToJump) % TraversingImage.Width;
var newY = CurrentPixel.Y + (CurrentPixel.X + pixelsToJump) / TraversingImage.Width;
if (newY >= TraversingImage.Height)
{
return(null);
}
CurrentPixel = new PositionedPixel(TraversingImage[newY, newX], newX, newY);
return(this);
}
public SequentialProcessingStepEventArgs(Image image, PositionedPixel pixel)
{
ProcessingImage = image;
CurrentPixel = pixel;
}
public ImageIterator(Image image)
{
TraversingImage = image;
CurrentPixel = new PositionedPixel(image[0, 0], 0, 0);
}
