private async void Handle_Clicked(object sender, EventArgs e)
{
using (var loader = new GifLoader(Navigation, "loading.gif")
{
BackgroundColor = Color.Transparent
})
{
await Task.Delay(7000);
}
}
public static AnimationChain FromGif(string fileName, string contentManagerName)
{
if (FileManager.IsRelative(fileName))
{
fileName = FileManager.RelativeDirectory + fileName;
}
if (FlatRedBallServices.IsLoaded <AnimationChain>(fileName, contentManagerName))
{
return(FlatRedBallServices.GetNonDisposable <AnimationChain>(fileName, contentManagerName).Clone());
}
ImageDataList imageDataList = GifLoader.GetImageDataList(fileName);
int numberOfFrames = imageDataList.Count;
AnimationChain animationChain = new AnimationChain(numberOfFrames);
for (int i = 0; i < numberOfFrames; i++)
{
// We assume GIFs are for 2D games that don't need mipmaps. Could change this later
// if needed
const bool generateMipmaps = false;
Texture2D texture2D = imageDataList[i].ToTexture2D(generateMipmaps, FlatRedBallServices.GraphicsDevice);
texture2D.Name =
fileName + i.ToString();
if (i >= imageDataList.FrameTimes.Count)
{
const double defaultFrameTime = .1;
animationChain.Add(
new AnimationFrame(
texture2D, (float)defaultFrameTime));
}
else
{
animationChain.Add(
new AnimationFrame(
texture2D, (float)imageDataList.FrameTimes[i]));
}
FlatRedBallServices.AddDisposable(texture2D.Name, texture2D, contentManagerName);
}
// Don't dispose the anything because it's part of the
// content manager.
animationChain.ParentGifFileName = fileName;
animationChain.Name = FileManager.RemovePath(fileName);
return(animationChain);
}
static void Main(string[] args)
{
var loader = new GifLoader();
loader.Start();
}
Texture2D LoadTexture2D(string assetName, string extension)
{
Texture2D loadedAsset = null;
if (Renderer.Graphics == null)
{
throw new NullReferenceException("The Renderer's Graphics is null. Call FlatRedBallServices.Initialize before attempting to load any textures");
}
switch (extension.ToLowerInvariant())
{
case "bmp":
{
ImageData bmp = FlatRedBall.IO.BmpLoader.GetPixelData(assetName);
bmp.Replace(FlatRedBallServices.GraphicsOptions.TextureLoadingColorKey, Color.Transparent);
Texture2D texture = bmp.ToTexture2D();
//new Texture2D(FlatRedBallServices.GraphicsDevice, bmp.Width, bmp.Height, 0, TextureUsage.None, SurfaceFormat.Color);
//texture.SetData<Color>(bmp.Data);
texture.Name = assetName;
loadedAsset = texture;
break;
}
case "png":
case "jpg":
bool useFrbPngLoader = false;
if (useFrbPngLoader)
{
#if MONOGAME
throw new NotImplementedException();
#else
ImageData png = FlatRedBall.IO.PngLoader.GetPixelData(assetName);
Texture2D texture = png.ToTexture2D();
texture.Name = assetName;
loadedAsset = texture;
#endif
}
else
{
Texture2D texture = LoadTextureFromFile(assetName);
texture.Name = assetName;
loadedAsset = texture;
}
break;
case "dds":
case "dib":
case "hdr":
case "pfm":
case "ppm":
case "tga":
{
throw new NotImplementedException("The following texture format is not supported" +
extension + ". We recommend using the .png format");
//break;
}
case "gif":
{
#if MONOGAME
throw new NotImplementedException();
#else
ImageDataList imageDataList = GifLoader.GetImageDataList(assetName);
int numberOfFrames = imageDataList.Count;
if (imageDataList.Count == 0)
{
throw new InvalidOperationException("The gif file " + assetName + " has no frames");
}
else
{
Texture2D texture2D = imageDataList[0].ToTexture2D();
texture2D.Name = assetName;
loadedAsset = texture2D;
}
break;
#endif
}
//break;
default:
throw new ArgumentException("FlatRedBall does not support the " + extension + " file type passed for loading a Texture2D");
//break;
}
return(loadedAsset);
}
){kind=link}