/// <summary>
/// Performs the supplied <paramref name="operation"/> on the supplied <see cref="Bitmap"/> <paramref name="bitmap"/>.
/// </summary>
/// <param name="bitmap">
/// The <see cref="Bitmap"/> to perform the operation on.
/// </param>
/// <param name="operation">
/// The operation to perform on the contents of the supplied <see cref="Bitmap"/>.
/// </param>
/// <param name="lockMode">
/// The locking mode for the <see cref="Bitmap"/>. Defaults to <see cref="ImageLockMode.ReadOnly"/>.
/// </param>
protected static unsafe void Operation(
Bitmap bitmap,
LockingDataOperation operation,
ImageLockMode lockMode = ImageLockMode.ReadOnly)
{
BitmapData contents = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
lockMode,
bitmap.PixelFormat);
try
{
operation(contents, (byte *)contents.Scan0.ToPointer());
}
finally
{
bitmap.UnlockBits(contents);
}
}
internal static unsafe void PerformLockingOperation(Bitmap bitmap, LockingDataOperation operation)
{
lock (bitmap)
{
BitmapData data = bitmap.LockBits(
new Rectangle(
0,
0,
bitmap.Width,
bitmap.Height),
ImageLockMode.ReadWrite,
bitmap.PixelFormat);
try
{
operation(data, (byte *)data.Scan0.ToPointer());
}
finally
{
bitmap.UnlockBits(data);
}
}
}
