private void DisplayImageInternal()
{
IWICImagingFactory factory = (IWICImagingFactory) new WICImagingFactory();
IWICBitmapScaler scaler = factory.CreateBitmapScaler();
IWICFormatConverter formatConvert = factory.CreateFormatConverter();
GCHandle h = new GCHandle();
Image image = rawPictureBox.Image;
try
{
uint pixelColorWidth = 3; // 3 bytes/channel for Consts.GUID_WICPixelFormat24bppRGB, or more generally (((bits / pixel) + 7) / 8)
uint width = (uint)rawPictureBox.Width;
uint height = (uint)rawPictureBox.Height;
scaler.Initialize(frame, width, height, WICBitmapInterpolationMode.WICBitmapInterpolationModeFant);
formatConvert.Initialize(scaler, Consts.GUID_WICPixelFormat24bppBGR, WICBitmapDitherType.WICBitmapDitherTypeNone, null, 0.0, WICBitmapPaletteType.WICBitmapPaletteTypeMedianCut);
uint stride = width * pixelColorWidth;
uint size = stride * height;
byte[] pixels = new byte[size];
formatConvert.CopyPixels(null, stride, size, pixels);
h = GCHandle.Alloc(pixels, GCHandleType.Pinned);
Bitmap bitmap = new Bitmap((int)width, (int)height, (int)stride, PixelFormat.Format24bppRgb, h.AddrOfPinnedObject());
rawPictureBox.Image = bitmap;
}
catch
{
}
finally
{
if (image != null)
{
image.Dispose();
}
if (h.IsAllocated)
{
h.Free();
}
scaler.ReleaseComObject();
formatConvert.ReleaseComObject();
factory.ReleaseComObject();
}
}
private static IWICBitmapScaler Scale(IWICBitmapSource source, int width, int height, WicBitmapInterpolationMode mode)
{
var wfac = (IWICImagingFactory) new WICImagingFactory();
IWICBitmapScaler scaler = null;
try
{
scaler = wfac.CreateBitmapScaler();
scaler.Initialize(source, width, height, mode);
Marshal.ReleaseComObject(source);
return(scaler);
}
finally
{
Release(wfac);
}
}
public static void Initialize(this IWICBitmapScaler bitmapScaler, IWICBitmapSource pISource, Size size, WICBitmapInterpolationMode mode)
{
bitmapScaler.Initialize(pISource, size.Width, size.Height, mode);
}