/// <summary>
/// Convert Image object to Bitmap
/// </summary>
/// <param name="config">The Bitmap Config</param>
/// <returns>The Bitmap</returns>
public static Android.Graphics.Bitmap ToBitmap <TColor, TDepth>(this Image <TColor, TDepth> image, Android.Graphics.Bitmap.Config config)
where TColor : struct, IColor
where TDepth : new()
{
System.Drawing.Size size = image.Size;
if (config == Android.Graphics.Bitmap.Config.Argb8888)
{
Android.Graphics.Bitmap result = Android.Graphics.Bitmap.CreateBitmap(size.Width, size.Height, Android.Graphics.Bitmap.Config.Argb8888);
using (BitmapArgb8888Image bi = new BitmapArgb8888Image(result))
{
bi.ConvertFrom(image);
//CvInvoke.cvSet(bi, new MCvScalar(0, 0, 255, 255), IntPtr.Zero);
}
return(result);
}
else if (config == Android.Graphics.Bitmap.Config.Rgb565)
{
Android.Graphics.Bitmap result = Android.Graphics.Bitmap.CreateBitmap(size.Width, size.Height, Android.Graphics.Bitmap.Config.Rgb565);
using (BitmapRgb565Image bi = new BitmapRgb565Image(result))
bi.ConvertFrom(image);
return(result);
}
else
{
throw new NotImplementedException("Only Bitmap config of Argb888 or Rgb565 is supported.");
}
}
/// <summary>
/// Read image file from Assets
/// </summary>
/// <param name="assets">The Asset manager</param>
/// <param name="fileName">The name of the file</param>
public static Image <TColor, TDepth> GetImage <TColor, TDepth>(this AssetManager assets, String fileName)
where TColor : struct, IColor
where TDepth : new()
{
using (Stream imageStream = assets.Open(fileName))
using (Android.Graphics.Bitmap imageBmp = BitmapFactory.DecodeStream(imageStream))
return(imageBmp.ToImage <TColor, TDepth>());
}
