internal virtual CanvasBitmap BitmapForId(CanvasDevice device, string id)
{
lock (this)
{
if (!_bitmaps.TryGetValue(id, out CanvasBitmap bitmap))
{
var imageAsset = _imageAssets[id];
if (imageAsset == null)
{
return(null);
}
if (_delegate != null)
{
bitmap = _delegate.FetchBitmap(imageAsset);
if (bitmap != null)
{
_bitmaps[id] = bitmap;
}
return(bitmap);
}
Stream @is;
try
{
if (string.IsNullOrEmpty(_imagesFolder))
{
throw new InvalidOperationException("You must set an images folder before loading an image." + " Set it with LottieDrawable.ImageAssetsFolder");
}
@is = File.OpenRead(_imagesFolder + imageAsset.FileName);
}
catch (IOException e)
{
Debug.WriteLine($"Unable to open asset. {e}", LottieLog.Tag);
return(null);
}
var task = CanvasBitmap.LoadAsync(device, @is.AsRandomAccessStream(), 160).AsTask();
task.Wait();
bitmap = task.Result;
@is.Dispose();
_bitmaps[id] = bitmap;
}
return(bitmap);
}
}
internal virtual Bitmap BitmapForId(RenderTarget renderTarget, string id)
{
lock (this)
{
if (!_imageAssets.TryGetValue(id, out var imageAsset))
{
return(null);
}
else if (imageAsset.Bitmap != null)
{
return(imageAsset.Bitmap);
}
Bitmap bitmap;
if (_delegate != null)
{
bitmap = _delegate.FetchBitmap(imageAsset);
if (bitmap != null)
{
PutBitmap(id, bitmap);
}
return(bitmap);
}
var filename = imageAsset.FileName;
if (filename.StartsWith("data:") && filename.IndexOf("base64,") > 0)
{
// Contents look like a base64 data URI, with the format data:image/png;base64,<data>.
byte[] data;
try
{
data = Convert.FromBase64String(filename.Substring(filename.IndexOf(',') + 1));
}
catch (Exception e)
{
Debug.WriteLine($"data URL did not have corRectangleF base64 format. {e}", LottieLog.Tag);
return(null);
}
//TODO: OID: Check this way is ok or not
bitmap = new Bitmap(renderTarget, new SharpDX.Size2(0, 0));
bitmap.CopyFromMemory(data, 160);
PutBitmap(id, bitmap);
return(bitmap);
}
Stream @is;
try
{
if (string.IsNullOrEmpty(_imagesFolder))
{
throw new InvalidOperationException("You must set an images folder before loading an image. Set it with LottieDrawable.ImageAssetsFolder");
}
@is = File.OpenRead(_imagesFolder + imageAsset.FileName);
}
catch (IOException e)
{
Debug.WriteLine($"Unable to open asset. {e}", LottieLog.Tag);
return(null);
}
//TODO: OID: Check this way is ok or not
bitmap = new Bitmap(renderTarget, new SharpDX.Size2(0, 0));
bitmap.CopyFromStream(@is, 160, (int)@is.Length);
@is.Dispose();
PutBitmap(id, bitmap);
return(bitmap);
}
}
internal virtual Bitmap BitmapForId( string id)
{
lock (this)
{
if (!_imageAssets.TryGetValue(id, out var imageAsset))
{
return(null);
}
else if (imageAsset.Bitmap != null)
{
return(imageAsset.Bitmap);
}
Bitmap bitmap;
if (_delegate != null)
{
bitmap = _delegate.FetchBitmap(imageAsset);
if (bitmap != null)
{
PutBitmap(id, bitmap);
}
return(bitmap);
}
var filename = imageAsset.FileName;
if (filename.StartsWith("data:") && filename.IndexOf("base64,") > 0)
{
// Contents look like a base64 data URI, with the format data:image/png;base64,<data>.
byte[] data;
try
{
data = Convert.FromBase64String(filename.Substring(filename.IndexOf(',') + 1));
}
catch (Exception e)
{
Debug.WriteLine($"data URL did not have corRect base64 format. {e}", LottieLog.Tag);
return(null);
}
bitmap = LoadFromBuffer( data);
PutBitmap(id, bitmap);
return(bitmap);
}
Stream @is;
try
{
if (string.IsNullOrEmpty(_imagesFolder))
{
throw new InvalidOperationException("You must set an images folder before loading an image. Set it with LottieDrawable.ImageAssetsFolder");
}
@is = File.OpenRead(_imagesFolder + imageAsset.FileName);
}
catch (IOException e)
{
Debug.WriteLine($"Unable to open asset. {e}", LottieLog.Tag);
return(null);
}
bitmap = LoadFromStream( @is);
@is.Dispose();
PutBitmap(id, bitmap);
return(bitmap);
}
}
internal CanvasBitmap BitmapForId(CanvasDevice device, string id)
{
lock (this)
{
if (!_imageAssets.TryGetValue(id, out var asset))
{
return(null);
}
var bitmap = asset.Bitmap;
if (bitmap != null)
{
return(bitmap);
}
if (_delegate != null)
{
bitmap = _delegate.FetchBitmap(asset);
if (bitmap != null)
{
PutBitmap(id, bitmap);
}
return(bitmap);
}
var filename = asset.FileName;
Task <CanvasBitmap> task = null;
Stream @is;
if (filename.StartsWith("data:") && filename.IndexOf("base64,") > 0)
{
// Contents look like a base64 data URI, with the format data:image/png;base64,<data>.
byte[] data;
try
{
data = Convert.FromBase64String(filename.Substring(filename.IndexOf(',') + 1));
@is = new MemoryStream(data);
}
catch (Exception e)
{
Debug.WriteLine($"data URL did not have correct base64 format. {e}", LottieLog.Tag);
return(null);
}
task = CanvasBitmap.LoadAsync(device, @is.AsRandomAccessStream(), 160).AsTask();
task.Wait();
bitmap = task.Result;
@is.Dispose();
PutBitmap(id, bitmap);
return(bitmap);
}
try
{
if (string.IsNullOrEmpty(_imagesFolder))
{
throw new InvalidOperationException("You must set an images folder before loading an image. Set it with LottieDrawable.ImageAssetsFolder");
}
@is = File.OpenRead(_imagesFolder + asset.FileName);
}
catch (IOException e)
{
Debug.WriteLine($"Unable to open asset. {e}", LottieLog.Tag);
return(null);
}
task = CanvasBitmap.LoadAsync(device, @is.AsRandomAccessStream(), 160).AsTask();
task.Wait();
bitmap = task.Result;
@is.Dispose();
PutBitmap(id, bitmap);
return(bitmap);
}
}