/// <summary>
/// Ensures the bitmap cache.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="size">The size.</param>
/// <param name="maxSize">The maximum size.</param>
private void EnsureBitmapCache(RenderContext2D context, Size2 size, int maxSize)
{
IsBitmapCacheValid = false;
if (size.Width <= 0 || size.Height <= 0 || !EnableBitmapCache || size.Width * size.Height < MinimumBitmapSize)
{
Disposer.RemoveAndDispose(ref bitmapCache);
}
else if (size.Width > maxSize || size.Height > maxSize)
{
return;
}
else if (bitmapCache == null || size.Width > bitmapCache.Size.Width || size.Height > bitmapCache.Size.Height)
{
#if DEBUGCACHECREATE
Debug.WriteLine("Create new bitmap cache.");
#endif
Disposer.RemoveAndDispose(ref bitmapCache);
bitmapCache = BitmapProxy.Create("Cache", context.DeviceContext, size, Format.B8G8R8A8_UNorm);
IsBitmapCacheValid = true;
IsVisualDirty = true;
}
else
{
IsBitmapCacheValid = true;
}
}
/// <summary>
///
/// </summary>
/// <param name="texture"></param>
/// <param name="deviceContext"></param>
public void Initialize(Texture2D texture, DeviceContext2D deviceContext)
{
RemoveAndDispose(ref d2DTarget);
using (var surface = texture.QueryInterface <global::SharpDX.DXGI.Surface>())
{
d2DTarget = Collect(BitmapProxy.Create("TextureTarget", deviceContext, surface));
}
}
/// <summary>
///
/// </summary>
/// <param name="swapChain"></param>
/// <param name="deviceContext"></param>
public void Initialize(SwapChain1 swapChain, DeviceContext2D deviceContext)
{
RemoveAndDispose(ref d2DTarget);
using (var surf = swapChain.GetBackBuffer <Surface>(0))
{
d2DTarget = Collect(BitmapProxy.Create("SwapChainTarget", deviceContext, surf));
}
}
