private void init(Stream stream, GIFFrameUpdatedCallbackMethod frameUpdatedCallback)
{
// set gif frame update callback
this.FrameUpdatedCallback = frameUpdatedCallback;
// decode gif image
var gifDecoder = new GifDecoder();
var image = new ExtendedImage();
gifDecoder.Decode(image, stream);
// add frames and load unity textures
frames = new List<TextureGIFFrame>();
var firstFrame = new TextureGIFFrame(createTexture(image.PixelWidth, image.PixelHeight, image.Pixels), TimeSpan.FromSeconds(image.DelayTime / 100d));
frames.Add(firstFrame);
var lastFrame = firstFrame;
foreach (var frame in image.Frames)
{
var newFrame = new TextureGIFFrame(createTexture(frame.PixelWidth, frame.PixelHeight, frame.Pixels), TimeSpan.FromSeconds(frame.DelayTime / 100d));
frames.Add(newFrame);
if (lastFrame != null) lastFrame.nextFrame = newFrame;
lastFrame = newFrame;
}
// set starting image
CurrentFrame = frames[0];
lastFrame.nextFrame = firstFrame;
}
private void DoWork(object sender, DoWorkEventArgs args)
{
string url = args.Argument.ToString();
string name = string.Format("image-{0}.jpg", DateTime.Now.Ticks);
if (url.Contains("/") && !url.Contains("attachment.php"))
{
var tokens = url.Split('/');
name = tokens[tokens.Length - 1];
}
HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;
Stream data = null;
request.BeginGetResponse(state =>
{
try
{
var response = request.EndGetResponse(state);
data = response.GetResponseStream();
}
catch (Exception ex) { Console.WriteLine(ex.Message); }
finally { signal.Set(); }
}, request);
signal.WaitOne(App.Settings.ThreadTimeout);
if (worker.CancellationPending) { args.Cancel = true; return; }
if (data == null)
{
args.Result = Awful.Core.Models.ActionResult.Failure;
return;
}
if (worker.CancellationPending) { args.Cancel = true; return; }
IsolatedStorageFileStream fileStream = null;
try
{
MediaLibrary lib = new MediaLibrary();
string tempFile = name;
var dispatch = Deployment.Current.Dispatcher;
var dispatchSignal = new AutoResetEvent(false);
var store = IsolatedStorageFile.GetUserStoreForApplication();
dispatch.BeginInvoke(() =>
{
try
{
if (store.FileExists(tempFile))
store.DeleteFile(tempFile);
fileStream = store.CreateFile(tempFile);
WriteableBitmap bitmap;
try
{
var decoder = new GifDecoder();
var image = new ExtendedImage();
decoder.Decode(image, data);
bitmap = image.ToBitmap();
}
catch (Exception ex)
{
var image = new BitmapImage();
image.SetSource(data);
bitmap = new WriteableBitmap(image);
}
bitmap.SaveJpeg(fileStream, bitmap.PixelWidth, bitmap.PixelHeight, 0, 100);
fileStream.Close();
dispatchSignal.Set();
}
catch (Exception ex) { dispatchSignal.Set(); }
});
dispatchSignal.WaitOne();
fileStream = store.OpenFile(tempFile, FileMode.Open, FileAccess.Read);
lib.SavePicture(name, fileStream);
fileStream.Close();
store.DeleteFile(tempFile);
args.Result = Awful.Core.Models.ActionResult.Success;
}
catch (Exception ex)
{
if (fileStream != null)
fileStream.Close();
Console.WriteLine(ex.Message);
args.Result = Awful.Core.Models.ActionResult.Failure;
}
}
private ArticleImage CreateFakeArticleImage(Chapter chapter)
{
var image = new ArticleImage();
// image.Chapter = chapter;
var bitMapImage = new BitmapImage();
GifDecoder gd = new GifDecoder();
var img = new ImageTools.ExtendedImage();
gd.Decode(img, Application.GetResourceStream(
new Uri("/SmartReader.Library;component/Resource/8004887.gif", UriKind.Relative)
).Stream);
var png = new PngEncoder();
BitmapImage bitmap = new BitmapImage();
bitmap.CreateOptions = BitmapCreateOptions.None;
using (MemoryStream stream = new MemoryStream())
{
png.Encode(img, stream);
bitmap.SetSource(stream);
}
image.ImageBytes = ConvertToBytes(bitmap);
Storage.SaveArticleImages(new[] { image });
return image;
}
