public void Initialize()
{
bmp = new Bitmap(DefaultWidth, DefaultHeight);
for (int y = 0; y < DefaultWidth; y++)
for (int x = 0; x < DefaultHeight; x++)
bmp.Set(x, y, new Color(DefaultColorAsInt));
}
public FourWayColorSwapingCrawler(Bitmap bitmap, TolerantColorComparer colorComparer)
{
if (bitmap == null)
throw new ArgumentNullException(nameof(bitmap));
if (colorComparer == null)
throw new ArgumentNullException(nameof(colorComparer));
Bitmap = bitmap;
ColorComparer = colorComparer;
Scanlines = new Stack<ScanlineData>(Math.Max(bitmap.Width, bitmap.Height));
}
/// <summary>
/// Created a ManagedBitmap from a System.Drawing.Bitmap.
/// </summary>
public static Bitmap FromSystemBitmap(System.Drawing.Bitmap systemBitmap)
{
if (systemBitmap == null)
throw new ArgumentNullException(nameof(systemBitmap));
Bitmap managed = new Bitmap(systemBitmap.Width, systemBitmap.Height);
using (var correctFormatBitmap = systemBitmap.ToDifferentPixelFormat(ValidPixelFormat))
{
var bmpData = correctFormatBitmap.LockBits(managed.BoundingRectangle.ToSystemRectangle(), System.Drawing.Imaging.ImageLockMode.ReadOnly, correctFormatBitmap.PixelFormat);
Marshal.Copy(bmpData.Scan0, managed._PixelArray, 0, managed._PixelArray.Length);
correctFormatBitmap.UnlockBits(bmpData);
}
return managed;
}
/// <summary>
/// Creates a deep copy of this Bitmap.
/// </summary>
public Bitmap Clone()
{
var clone = new Bitmap(Width, Height);
Array.Copy(_PixelArray, clone._PixelArray, _PixelArray.Length);
return clone;
}
