public IImage Convert(ImageFormat imageFormat, int quality) {
var ms = new MemoryStream();
this.bitmap.Compress(Bitmap.CompressFormat.Jpeg, quality, ms);
ms.Seek(0, SeekOrigin.Begin);
this.bitmap.Dispose();
this.bitmap = BitmapFactory.DecodeStream(ms);
return this;
}
public IImage newImage(string fileName, ImageFormat format)
{
Bitmap.Config config = null;
if (format == ImageFormat.RGB565)
config = Bitmap.Config.RGB_565;
else if (format == ImageFormat.ARGB4444)
config = Bitmap.Config.ARGB_4444;
else
config = Bitmap.Config.ARGB_8888;
var options = new BitmapFactory.Options();
options.InPreferredConfig = config;
InputStream @in = null;
Bitmap bitmap;
try
{
@in = assets.Open(assetsPrefix + fileName);
bitmap = BitmapFactory.DecodeStream(@in, null, options);
if (bitmap == null)
throw new SystemException("Couldn't load bitmap from asset '" + fileName + "'");
}
catch (IOException e)
{
throw new SystemException("Couldn't load bitmap from asset '" + fileName + "'");
}
finally
{
if (@in != null)
{
try
{
@in.Close();
}
catch (IOException e)
{
}
}
}
if (bitmap.GetConfig() == Bitmap.Config.RGB_565)
format = ImageFormat.RGB565;
else if (bitmap.GetConfig() == Bitmap.Config.ARGB_4444)
format = ImageFormat.ARGB4444;
else
format = ImageFormat.ARGB8888;
return new AndroidImage(bitmap, format);
}
public AndroidImage(Bitmap bitmap, ImageFormat format)
{
this.bitmap = bitmap;
this.format = format;
}