/// <summary>
/// Returns a unique image that is loaded asynchronously.
/// This image is used as default as long as the loading is not done and in case it fails.
/// </summary>
public ItemImage AsDefaultForUniqueImage(ItemImageService itemImageService, string uniqueName)
{
return(new ItemImage(
ImageSource.Result,
itemImageService.LoadItemImageAsync(uniqueName, ImageSource.Task),
"Loading of unique item image failed"
));
}
/// <summary>
/// Represents an image for an item base. First the classes's image will be loaded synchronously,
/// which is then used as the image until the base item's image is loaded asynchronously.
/// </summary>
public ItemImage(ItemImageService itemImageService, string baseName, ItemClass baseClass)
{
var defaultImage = itemImageService.LoadDefaultImage(baseClass);
ImageSource = NewImageSourceTask(
itemImageService.LoadItemImageAsync(baseName, Task.FromResult(defaultImage)),
"Loading of base item image failed",
defaultImage
);
}
/// <summary>
/// Represents an image for an item base. First the group's image will be loaded synchronously,
/// which is then used as the image until the base item's image is loaded asynchronously.
/// </summary>
public ItemImage(ItemImageService itemImageService, string baseName, ItemGroup baseGroup)
{
var defaultImage = itemImageService.LoadDefaultImage(baseGroup);
ImageSource = NewImageSourceTask(
itemImageService.LoadItemImageAsync(baseName, defaultImage),
"Loading of base item image failed",
defaultImage
);
}