/// <summary>
/// Loads an image from a url and runs an action on load
/// </summary>
/// <param name="url">The url of the image</param>
/// <param name="resolution">The target resolution to resize the image to</param>
/// <param name="onLoaded">Lambda expression for what to do once the load has finished</param>
/// <returns></returns>
public static IEnumerator LoadImageFromUrl(string url, Enums.Resolution resolution, Action <Sprite> onLoaded)
{
if (string.IsNullOrEmpty(url))
{
yield return(null);
}
UnityWebRequest webRequest = UnityWebRequestTexture.GetTexture(url);
yield return(webRequest.SendWebRequest());
while (!webRequest.downloadHandler.isDone)
{
yield return(new WaitForEndOfFrame());
}
Sprite s = null;
if (webRequest.isNetworkError || webRequest.isHttpError)
{
Analysis.LogError($"Unable to load image from url '{url}'", Analysis.LogLevel.Vital);
}
else
{
Texture2D webTexture = ((DownloadHandlerTexture)webRequest.downloadHandler).texture as Texture2D;
// Get the target resolution and scale
Rect targetResolution = Helpers.Utility.ResolutionToRect(resolution, webTexture.width, webTexture.height);
TextureScaler.scale(webTexture, (int)targetResolution.width, (int)targetResolution.height, FilterMode.Bilinear);
s = Sprite.Create(webTexture, new Rect(0f, 0f, targetResolution.width, targetResolution.height), Vector2.zero, targetResolution.width, 0, SpriteMeshType.FullRect);
}
onLoaded.Invoke(s);
}
/// <summary>
/// Resolution을 AVCaptureSession의 SessionPreset 값으로 변환
/// </summary>
/// <param name="resolution">Resolution</param>
/// <returns>AVCaptureSession의 SessionPreset</returns>
public static NSString ToSessionPreset(this Enums.Resolution resolution)
{
switch (resolution)
{
case Enums.Resolution.High:
return(AVCaptureSession.PresetHigh);
case Enums.Resolution.Medium:
return(AVCaptureSession.PresetMedium);
case Enums.Resolution.Low:
return(AVCaptureSession.PresetLow);
default:
return(AVCaptureSession.PresetMedium);
}
}
/// <summary>
/// Converts Resolutions to their correct Rect size
/// </summary>
/// <param name="r"></param>
/// <param name="originalWidth"></param>
/// <param name="originalHeight"></param>
/// <returns></returns>
public static Rect ResolutionToRect(Enums.Resolution r, float originalWidth, float originalHeight)
{
switch (r)
{
case Enums.Resolution.x64:
return(new Rect(0f, 0f, 64f, 64f));
case Enums.Resolution.x128:
return(new Rect(0f, 0f, 64f, 64f));
case Enums.Resolution.x256:
return(new Rect(0f, 0f, 256f, 256f));
case Enums.Resolution.x512:
return(new Rect(0f, 0f, 512f, 512f));
case Enums.Resolution.Original:
return(new Rect(0f, 0f, originalWidth, originalHeight));
default:
throw new NotImplementedException("Not implemented extra resolution type");
}
}
