/// <summary>
/// Cached selection of best fit multi-device / multi-resolution image embedded resource
/// </summary>
/// <returns>Xamarin.Forms.ImageSource</returns>
/// <param name="resourceId">ResourceID without extension, resolution modifier, or device modifier</param>
/// <param name="assembly">Assembly in which the resource can be found</param>
public static Xamarin.Forms.ImageSource FromMultiResource(string resourceId, Assembly assembly = null)
{
if (assembly is null || assembly == typeof(Xamarin.Forms.Grid).Assembly)
{
assembly = EmbeddedResourceExtensions.FindAssemblyForMultiResource(resourceId, assembly);
}
/*
* assembly = assembly ?? AssemblyExtensions.AssemblyFromResourceId(resourceId);
* if (assembly == null && Device.RuntimePlatform != Device.UWP)
* assembly = (Assembly)typeof(Assembly).GetTypeInfo().GetDeclaredMethod("GetCallingAssembly")?.Invoke(null, new object[0]);
*/
if (assembly == null)
{
return(null);
}
var r = BestGuessResource(resourceId, assembly);
var path = r == null ? resourceId : r.Path;
var imageSource = Xamarin.Forms.ImageSource.FromResource(path, assembly);
if (imageSource != null)
{
imageSource.SetValue(ImageScaleProperty, r == null ? 1.0f : r.Scale);
imageSource.SetValue(EmbeddedResourceIdProperty, path);
imageSource.SetValue(AssemblyProperty, assembly);
}
return(imageSource);
}
/// <summary>
/// Load an EmbeddedResource as a Xamarin.Forms.FileImageSource
/// </summary>
/// <param name="resourceId"></param>
/// <param name="assembly"></param>
/// <returns></returns>
public static Xamarin.Forms.FileImageSource FromResourceAsFile(string resourceId, Assembly assembly = null)
{
assembly = EmbeddedResourceExtensions.FindAssemblyForResource(resourceId, assembly);
/*
* assembly = assembly ?? AssemblyExtensions.AssemblyFromResourceId(resourceId);
* if (assembly == null && Device.RuntimePlatform != Device.UWP)
* assembly = (Assembly)typeof(Assembly).GetTypeInfo().GetDeclaredMethod("GetCallingAssembly")?.Invoke(null, new object[0]);
*/
if (assembly == null)
{
return(null);
}
var r = BestGuessResource(resourceId, assembly);
var path = r == null ? resourceId : r.Path;
var localPath = P42.Utils.EmbeddedResourceCache.LocalStorageFullPathForEmbeddedResource(path, assembly);
var imageSource = new FileImageSource {
File = localPath
};
if (imageSource != null)
{
imageSource.SetValue(ImageScaleProperty, 1.0f);
imageSource.SetValue(EmbeddedResourceIdProperty, resourceId);
imageSource.SetValue(AssemblyProperty, assembly);
}
return(imageSource);
}
internal static string BestEmbeddedMultiResourceMatch(string resourceId, Assembly assembly)
{
assembly = EmbeddedResourceExtensions.FindAssemblyForMultiResource(resourceId, assembly);
/*
* assembly = assembly ?? AssemblyExtensions.AssemblyFromResourceId(resourceId);
* if (assembly == null && Device.RuntimePlatform != Device.UWP)
* assembly = (Assembly)typeof(Assembly).GetTypeInfo().GetDeclaredMethod("GetCallingAssembly").Invoke(null, new object[0]);
*/
var r = BestGuessResource(resourceId, assembly);
return(r?.Path);
}
/// <summary>
/// Cached selection of resource (literally - no automated selection of device, resolution, or extension).
/// </summary>
/// <returns>The resource.</returns>
/// <param name="resourceId">Path.</param>
/// <param name="assembly">Assembly.</param>
public static new Xamarin.Forms.ImageSource FromResource(string resourceId, Assembly assembly = null)
{
assembly = EmbeddedResourceExtensions.FindAssemblyForResource(resourceId, assembly);
/*
* assembly = assembly ?? AssemblyExtensions.AssemblyFromResourceId(resourceId);
* if (assembly == null && Device.RuntimePlatform != Device.UWP)
* assembly = (Assembly)typeof(Assembly).GetTypeInfo().GetDeclaredMethod("GetCallingAssembly").Invoke(null, new object[0]);
*/
var imageSource = Xamarin.Forms.ImageSource.FromResource(resourceId, assembly);
if (imageSource != null)
{
imageSource.SetValue(ImageScaleProperty, 1.0f);
imageSource.SetValue(EmbeddedResourceIdProperty, resourceId);
imageSource.SetValue(AssemblyProperty, assembly);
}
return(imageSource);
}
