private Bitmap ApplyCustomTransformations(List <ITransformation <Bitmap> > transformations, Bitmap result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
for (int i = 0; i < transformations.Count; i++)
{
ITransformation <Bitmap> transformation = transformations[i];
Bitmap newResult = transformation.Transform(result);
if (newResult == null)
{
StringBuilder builder = new StringBuilder()
.Append("Transformation ")
.Append(transformation.Key)
.Append(" returned null after ")
.Append(i)
.Append(" previous transformation(s).\n\nTransformation list:\n");
foreach (ITransformation <Bitmap> t in transformations)
{
builder.Append(t.Key).Append('\n');
}
Picasso.RunOnPicassoThread(() =>
{
throw new NullReferenceException(builder.ToString());
});
return(null);
}
if (newResult == result && result.IsRecycled)
{
Picasso.RunOnPicassoThread(() =>
{
throw new IllegalStateException("Transformation " +
transformation.Key + " return input Bitmap but recycled it.");
});
return(null);
}
// If the transformation returned a new bitmap ensure they recycled the original.
if (newResult != result && !result.IsRecycled)
{
Picasso.RunOnPicassoThread(() =>
{
throw new IllegalStateException("Transformation "
+ transformation.Key
+ " mutated input Bitmap but failed to recycle the original.");
});
return(null);
}
result = newResult;
}
return(result);
}
private void PerformBatchComplete()
{
BitmapHunter[] copy;
lock (m_Lock)
{
copy = m_Batch.ToArray();
m_Batch.Clear();
}
Picasso.BatchComplete(copy);
}
internal RequestCreator(Picasso picasso, Uri uri, int resourceId)
{
if (picasso.IsShutdown)
{
throw new Exception("Picasso instance shutdown. Cannot submit new requests");
}
m_Data = new Request <Bitmap> .Builder(uri, resourceId);
m_Picasso = picasso;
}
internal RequestCreator(Picasso picasso, Uri uri)
{
if (picasso.IsShutdown)
{
throw new Exception("Picasso instance shutdown. Cannot submit new requests");
}
m_RequestBuilder = new Request <UIImage> .Builder(uri);
m_Picasso = picasso;
}
public UIImageViewAction(
Picasso picasso,
UIImageView target,
Request <UIImage> data,
bool skipCache,
string key,
UIImage errorImage,
System.Action onSuccessListener,
System.Action onFailureListener,
System.Action onFinishListener)
: base(picasso, target, data, skipCache, FadeMode.Never, key, errorImage, onSuccessListener, onFailureListener, onFinishListener)
{
}
public static Picasso With(Context context)
{
return(s_Instance ?? (s_Instance = new Builder(context).Build()));
}
public ImageViewAction(Picasso picasso, ImageView target, Request <Bitmap> request, bool skipCache, FadeMode fadeMode, string key, Drawable errorImage, System.Action onSuccessListener, System.Action onFailureListener, System.Action onFinishListener)
: base(picasso, target, request, skipCache, fadeMode, key, errorImage, onSuccessListener, onFailureListener, onFinishListener)
{
m_Picasso = picasso;
}