/// <summary>
/// Gets the bitmap.
/// </summary>
/// <param name="engineDevice">The engine device.</param>
internal override D2D.Bitmap GetBitmap(EngineDevice engineDevice)
{
if (base.IsDisposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
D2D.Bitmap result = m_loadedBitmaps[engineDevice.DeviceIndex];
if (result == null)
{
using (Stream inputStream = m_resourceLink.OpenInputStream())
using (WicBitmapSourceInternal bitmapSourceWrapper = GraphicsHelper.LoadBitmapSource_D2D(inputStream))
{
WIC.BitmapSource bitmapSource = bitmapSourceWrapper.Converter;
// Store common properties about the bitmap
if (!m_firstLoadDone)
{
m_firstLoadDone = true;
m_pixelWidth = bitmapSource.Size.Width;
m_pixelHeight = bitmapSource.Size.Height;
if (m_totalFrameCount > 1)
{
m_framePixelWidth = m_pixelWidth / m_framesX;
m_framePixelHeight = m_pixelHeight / m_framesY;
}
else
{
m_framePixelWidth = m_pixelWidth;
m_framePixelHeight = m_pixelHeight;
}
bitmapSource.GetResolution(out m_dpiX, out m_dpyY);
}
// Load the bitmap into Direct2D
result = D2D.Bitmap.FromWicBitmap(
engineDevice.FakeRenderTarget2D, bitmapSource,
new D2D.BitmapProperties(new D2D.PixelFormat(
SharpDX.DXGI.Format.B8G8R8A8_UNorm,
D2D.AlphaMode.Premultiplied)));
// Register loaded bitmap
m_loadedBitmaps[engineDevice.DeviceIndex] = result;
}
}
return(result);
}
