public WICBitmapCanvas (WIC.Bitmap bmp, D2D1.RenderTargetProperties properties, Direct2DFactories factories = null)
: base (new D2D1.WicRenderTarget ((factories ?? Direct2DFactories.Shared).D2DFactory, bmp, properties), factories)
{
this.Bmp = bmp;
this.scale = properties.DpiX / 96.0;
var bmpSize = bmp.Size;
this.size = new Size (bmpSize.Width / scale, bmpSize.Height / scale);
}
public WICBitmapSourceImage (WIC.BitmapSource bmp, double scale, Direct2DFactories factories = null)
{
if (bmp == null)
throw new ArgumentNullException ("bmp");
this.bmp = bmp;
this.scale = scale;
this.factories = factories ?? Direct2DFactories.Shared;
}
private MemoryStream GetBitmapAsStream(WIC.Bitmap wicBitmap)
{
int width = wicBitmap.Size.Width;
int height = wicBitmap.Size.Height;
var ms = new MemoryStream();
using (var stream = new WIC.WICStream(
this.WicFactory,
ms))
{
using (var encoder = new WIC.PngBitmapEncoder(WicFactory))
{
encoder.Initialize(stream);
using (var frameEncoder = new WIC.BitmapFrameEncode(encoder))
{
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
var format = WIC.PixelFormat.Format32bppBGRA;
frameEncoder.SetPixelFormat(ref format);
frameEncoder.WriteSource(wicBitmap);
frameEncoder.Commit();
}
encoder.Commit();
}
}
ms.Position = 0;
return ms;
}
