public static MemoryStream ToMemoryStream(this global::SharpDX.WIC.Bitmap bitmap,
IDevice2DResources deviceResources,
Direct2DImageFormat imageType = Direct2DImageFormat.Bmp)
{
if (bitmap == null)
{
return(null);
}
var systemStream = new MemoryStream();
using (var stream = new WICStream(deviceResources.WICImgFactory, systemStream))
{
using (var encoder = new BitmapEncoder(deviceResources.WICImgFactory, imageType.ToWICImageFormat()))
{
encoder.Initialize(stream);
using (var frameEncoder = new BitmapFrameEncode(encoder))
{
frameEncoder.Initialize();
frameEncoder.SetSize(bitmap.Size.Width, bitmap.Size.Height);
frameEncoder.WriteSource(bitmap);
frameEncoder.Commit();
encoder.Commit();
return(systemStream);
}
}
}
}
public static MemoryStream CreateBitmapStream(IDevice2DResources deviceResources, int width, int height, Direct2DImageFormat imageType, Action <RenderTarget> drawingAction)
{
using (var bitmap = new global::SharpDX.WIC.Bitmap(deviceResources.WICImgFactory, (int)width, (int)height, global::SharpDX.WIC.PixelFormat.Format32bppBGR,
BitmapCreateCacheOption.CacheOnDemand))
{
using (var target = new WicRenderTarget(deviceResources.Factory2D, bitmap,
new RenderTargetProperties()
{
DpiX = 96,
DpiY = 96,
MinLevel = FeatureLevel.Level_DEFAULT,
PixelFormat = new global::SharpDX.Direct2D1.PixelFormat(global::SharpDX.DXGI.Format.Unknown, AlphaMode.Unknown)
}))
{
target.Transform = Matrix3x2.Identity;
target.BeginDraw();
drawingAction(target);
target.EndDraw();
}
var systemStream = new MemoryStream();
using (var stream = new WICStream(deviceResources.WICImgFactory, systemStream))
{
using (var encoder = new BitmapEncoder(deviceResources.WICImgFactory, imageType.ToWICImageFormat()))
{
encoder.Initialize(stream);
using (var frameEncoder = new BitmapFrameEncode(encoder))
{
frameEncoder.Initialize();
frameEncoder.SetSize((int)width, (int)height);
frameEncoder.WriteSource(bitmap);
frameEncoder.Commit();
encoder.Commit();
return(systemStream);
}
}
}
}
}