public IMycoDrawable SKBitmapFromImageSource(ImageSource source)
{
if (source is FileImageSource)
{
string fullPath = ((FileImageSource)source).File;
IMycoDrawable drawable = null;
if (!_cache.TryGetValue(fullPath, out drawable))
{
SKBitmap bitmap = null;
string path = Path.GetDirectoryName(fullPath);
string fileId = Path.GetFileNameWithoutExtension(fullPath);
string extension = Path.GetExtension(fullPath);
bool isNinePatch = Path.GetExtension(fileId) == ".9p";
int scaleInt = (int)Math.Round(UIScreen.MainScreen.Scale, MidpointRounding.AwayFromZero);
string lastFoundResource = "";
for (int i = 1; i <= scaleInt; i++)
{
if (File.Exists(Path.Combine(path, fileId + (i == 1 ? "" : $"@{i}x") + extension)))
{
lastFoundResource = Path.Combine(path, fileId + (i == 1 ? "" : $"@{i}x") + extension);
}
else
{
var resourcePath = NSBundle.MainBundle.PathForResource(fileId + (i == 1 ? "" : $"@{i}x"), extension, path);
if (!File.Exists(resourcePath))
{
break;
}
lastFoundResource = resourcePath;
}
}
if (!String.IsNullOrEmpty(lastFoundResource))
{
bitmap = SKBitmap.Decode(lastFoundResource);
}
if (bitmap != null)
{
drawable = isNinePatch ? new MycoDrawableNinePatch(bitmap) as IMycoDrawable : new MycoDrawableBitmap(bitmap) as IMycoDrawable;
_cache.Add(fullPath, drawable);
}
}
return(drawable);
}
return(null);
}
public IMycoDrawable SKBitmapFromImageSource(ImageSource source)
{
if (source is FileImageSource)
{
string fullPath = ((FileImageSource)source).File;
IMycoDrawable drawable = null;
if (!_cache.TryGetValue(fullPath, out drawable))
{
SKBitmap bitmap;
if (System.IO.File.Exists(fullPath))
{
bitmap = SKBitmap.Decode(fullPath);
}
else
{
string fileId = System.IO.Path.GetFileNameWithoutExtension(fullPath).ToLower();
bool isNinePatch = false;
if (System.IO.Path.GetExtension(fileId) == ".9p")
{
fileId = System.IO.Path.GetFileNameWithoutExtension(fileId).ToLower();
isNinePatch = true;
}
var id = Android.App.Application.Context.Resources.GetIdentifier(fileId, "drawable", Android.App.Application.Context.PackageName);
const int bytesPerPixel = 4;
BitmapFactory.Options opts = new BitmapFactory.Options {
InPreferredConfig = Bitmap.Config.Argb8888, InScaled = !isNinePatch
};
using (var nativeBitmap = BitmapFactory.DecodeResource(Android.App.Application.Context.Resources, id, opts))
{
int size = nativeBitmap.Width * nativeBitmap.Height * bytesPerPixel;
var pixelData = new byte[size];
using (var byteBuffer = Java.Nio.ByteBuffer.AllocateDirect(size))
{
nativeBitmap.CopyPixelsToBuffer(byteBuffer);
Marshal.Copy(byteBuffer.GetDirectBufferAddress(), pixelData, 0, size);
}
bitmap = new SKBitmap(nativeBitmap.Width, nativeBitmap.Height, SKColorType.Rgba_8888, SKAlphaType.Premul);
IntPtr length;
bitmap.LockPixels();
try
{
// wish there was a way to IntPtr to IntPtr copy
var pixels = bitmap.GetPixels(out length);
Marshal.Copy(pixelData, 0, pixels, size);
}
finally
{
bitmap.UnlockPixels();
}
}
if (bitmap != null)
{
drawable = isNinePatch ? new MycoDrawableNinePatch(bitmap) as IMycoDrawable : new MycoDrawableBitmap(bitmap) as IMycoDrawable;
_cache.Add(fullPath, drawable);
}
}
}
return(drawable);
}
return(null);
}
