/// <include file='doc\Bitmap.uex' path='docs/doc[@for="Bitmap.Bitmap3"]/*' />
/// <devdoc>
/// Initializes a new instance of the
/// <see cref='System.Drawing.Bitmap'/>
/// class from the specified data stream.
/// </devdoc>
/**
* Create a new bitmap object from a stream
*/
public Bitmap(Stream stream)
{
if (stream == null)
{
throw new ArgumentException(SR.GetString(SR.InvalidArgument, "stream", "null"));
}
IntPtr bitmap = IntPtr.Zero;
int status = SafeNativeMethods.GdipCreateBitmapFromStream(new GPStream(stream), out bitmap);
if (status != SafeNativeMethods.Ok)
{
throw SafeNativeMethods.StatusException(status);
}
status = SafeNativeMethods.GdipImageForceValidation(new HandleRef(null, bitmap));
if (status != SafeNativeMethods.Ok)
{
SafeNativeMethods.GdipDisposeImage(new HandleRef(null, bitmap));
throw SafeNativeMethods.StatusException(status);
}
SetNativeImage(bitmap);
EnsureSave(this, null, stream);
}
/// <include file='doc\Bitmap.uex' path='docs/doc[@for="Bitmap.Bitmap2"]/*' />
/// <devdoc>
/// <para>
/// Initializes a new instance of the <see cref='System.Drawing.Bitmap'/> class from a specified resource.
/// </para>
/// </devdoc>
public Bitmap(Type type, string resource)
{
Stream stream = type.Module.Assembly.GetManifestResourceStream(type, resource);
if (stream == null)
{
throw new ArgumentException(SR.GetString(SR.ResourceNotFound, type, resource));
}
IntPtr bitmap = IntPtr.Zero;
int status = SafeNativeMethods.GdipCreateBitmapFromStream(new GPStream(stream), out bitmap);
if (status != SafeNativeMethods.Ok)
{
throw SafeNativeMethods.StatusException(status);
}
status = SafeNativeMethods.GdipImageForceValidation(new HandleRef(null, bitmap));
if (status != SafeNativeMethods.Ok)
{
SafeNativeMethods.GdipDisposeImage(new HandleRef(null, bitmap));
throw SafeNativeMethods.StatusException(status);
}
SetNativeImage(bitmap);
EnsureSave(this, null, stream);
}