/// <summary>
/// <p>Copies the content of this view's surface texture into the specified
/// bitmap.
/// </summary>
/// <remarks>
/// <p>Copies the content of this view's surface texture into the specified
/// bitmap. If the surface texture is not available, the copy is not executed.
/// The content of the surface texture will be scaled to fit exactly inside
/// the specified bitmap.</p>
/// <p><strong>Do not</strong> invoke this method from a drawing method
/// (
/// <see cref="onDraw(android.graphics.Canvas)">onDraw(android.graphics.Canvas)</see>
/// for instance).</p>
/// <p>If an error occurs, the bitmap is left unchanged.</p>
/// </remarks>
/// <param name="bitmap">
/// The bitmap to copy the content of the surface texture into,
/// cannot be null, all configurations are supported
/// </param>
/// <returns>The bitmap specified as a parameter</returns>
/// <seealso cref="isAvailable()"></seealso>
/// <seealso cref="getBitmap(int, int)"></seealso>
/// <seealso cref="getBitmap()"></seealso>
/// <exception cref="System.InvalidOperationException">
/// if the hardware rendering context cannot be
/// acquired to capture the bitmap
/// </exception>
public virtual android.graphics.Bitmap getBitmap(android.graphics.Bitmap bitmap)
{
if (bitmap != null && isAvailable())
{
android.view.View.AttachInfo info = mAttachInfo;
if (info != null && info.mHardwareRenderer != null && info.mHardwareRenderer.isEnabled
())
{
if (!info.mHardwareRenderer.validate())
{
throw new System.InvalidOperationException("Could not acquire hardware rendering context"
);
}
}
applyUpdate();
applyTransformMatrix();
mLayer.copyInto(bitmap);
}
return(bitmap);
}
internal virtual void initializeIfNeeded(int width, int height, android.view.View
.AttachInfo attachInfo, android.view.SurfaceHolder holder)
{
throw new System.NotImplementedException();
}
internal abstract bool draw(android.view.View view, android.view.View.AttachInfo
attachInfo, android.view.HardwareRenderer.HardwareDrawCallbacks callbacks, android.graphics.Rect
dirty);
internal override bool draw(android.view.View view, android.view.View.AttachInfo
attachInfo, android.view.HardwareRenderer.HardwareDrawCallbacks callbacks, android.graphics.Rect
dirty)
{
throw new System.NotImplementedException();
}
