public void GetSticker (IceCream iceCream, Action<MSSticker> completion)
{
if (iceCream.Base == null || iceCream.Scoops == null || iceCream.Topping == null)
throw new Exception ("Stickers can only be created for completed ice creams");
// Determine the URL for the sticker.
var fileName = $"{iceCream.Base.RawValue}{iceCream.Scoops.RawValue}{iceCream.Topping.RawValue}.png";
var url = Path.Combine (cacheURL, fileName);
// Check if the sticker already exists at the URL
if (!NSFileManager.DefaultManager.FileExists (url)) {
// Create the sticker image and write it to disk.
var image = iceCream.RenderSticker (false);
var imageData = image?.AsPNG ();
if (image == null || imageData == null)
throw new Exception ("Unable to build image for ice cream");
try {
File.WriteAllBytes (url, imageData.ToArray ());
} catch {
throw new Exception ("Failed to write sticker image to cach");
}
}
NSError error;
var sticker = new MSSticker (new NSUrl ($"file://{url}"), "Ice Cream", out error);
if (error != null)
throw new Exception ($"Failed to write image to cache, error: {error.LocalizedDescription}");
completion?.Invoke (sticker);
}
UICollectionViewCell DequeueArcherStickerCell(MSSticker sticker, NSIndexPath indexPath)
{
var cell = CollectionView.DequeueReusableCell(ArcherStickerCell.ReuseIdentifier, indexPath) as ArcherStickerCell;
if (cell == null)
{
throw new Exception("Unable to dequeue an ArcherStickerCell");
}
cell.StickerView.Sticker = sticker;
cell.StickerView.StartAnimating();
return(cell);
}
private MSSticker GetArcherSticker(string fileName, string fileType)
{
var bundle = NSBundle.MainBundle;
var testUrl = bundle.GetUrlForResource(fileName, fileType);
if (testUrl == null)
{
throw new Exception("Unable to find archer sticker image");
}
var description = "An Archer sticker";
NSError error;
var sticker = new MSSticker(testUrl, description, out error);
if (error != null)
{
throw new Exception($"Failed to create placeholder sticker: {error.LocalizedDescription}");
}
return(sticker);
}
public void GetSticker(IceCream iceCream, Action <MSSticker> completion)
{
if (iceCream.Base == null || iceCream.Scoops == null || iceCream.Topping == null)
{
throw new Exception("Stickers can only be created for completed ice creams");
}
// Determine the URL for the sticker.
var fileName = $"{iceCream.Base.RawValue}{iceCream.Scoops.RawValue}{iceCream.Topping.RawValue}.png";
var url = Path.Combine(cacheURL, fileName);
// Check if the sticker already exists at the URL
if (!NSFileManager.DefaultManager.FileExists(url))
{
// Create the sticker image and write it to disk.
var image = iceCream.RenderSticker(false);
var imageData = image?.AsPNG();
if (image == null || imageData == null)
{
throw new Exception("Unable to build image for ice cream");
}
try {
File.WriteAllBytes(url, imageData.ToArray());
} catch {
throw new Exception("Failed to write sticker image to cach");
}
}
NSError error;
var sticker = new MSSticker(new NSUrl($"file://{url}"), "Ice Cream", out error);
if (error != null)
{
throw new Exception($"Failed to write image to cache, error: {error.LocalizedDescription}");
}
completion?.Invoke(sticker);
}
