public unsafe ArgbSurface(Surface surface)
: base(surface)
{
data = new byte[sizeof(uint) * Width * Height];
fixed (byte* dataPointer = data)
surface.CopyToArgb(new SurfaceData(Width, Height, (IntPtr)dataPointer, sizeof(uint) * Width));
}
/// <summary>Initializes a new instance of the <see cref="Surface"/> class by copying data from another <see cref="Surface"/>.</summary>
/// <remarks>
/// The base implementation in <see cref="Surface"/> only copies the common surface characteristics.
/// Copying the actual surface data needs to be done by subclasses overriding this constructor.
/// </remarks>
/// <param name="surface">A reference surface which should be copied.</param>
/// <exception cref="ArgumentNullException"><paramref name="surface"/> is <c>null</c>.</exception>
protected Surface(Surface surface)
{
if (surface == null) throw new ArgumentNullException("surface");
this.width = surface.width;
this.height = surface.height;
this.alphaBitCount = surface.alphaBitCount;
this.alphaPremultiplied = surface.alphaPremultiplied;
}
private Bitmap SurfaceToBitmap(Surface surface)
{
if (surface is JpegSurface)
{
var bitmap = new Bitmap(surface.CreateStream());
SwapRedAndBlueChannels(bitmap);
return bitmap;
}
else
{
var bitmap = new Bitmap(surface.Width, surface.Height, PixelFormat.Format32bppArgb);
try
{
var bitmapData = bitmap.LockBits(new Rectangle(0, 0, surface.Width, surface.Height), ImageLockMode.ReadWrite, PixelFormat.Format32bppArgb);
surface.CopyToArgb(new SurfaceData(bitmapData.Width, bitmapData.Height, bitmapData.Scan0, bitmapData.Stride));
bitmap.UnlockBits(bitmapData);
return bitmap;
}
catch { bitmap.Dispose(); throw; }
}
}
protected override void Dispose(bool disposing)
{
if (disposing && @this != null)
{
@this.Dispose();
@this = null;
}
}
public Wrapper(Surface surface)
: base(surface)
{
this.@this = surface;
}