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;
}
/// <summary>
/// Call to update gif animation
/// </summary>
public void Update()
{
var currentFrame = CurrentFrame.Update();
if (currentFrame != CurrentFrame && FrameUpdatedCallback != null)
{
CurrentFrame = currentFrame;
FrameUpdatedCallback(currentFrame);
}
}
/// <summary>
/// Used to update frame
/// </summary>
/// <returns>Next or Current frame</returns>
public TextureGIFFrame Update()
{
if (FrameTime.TotalSeconds == 0)
{
return(this);
}
TextureGIFFrame currentFrame = this;
time += Time.deltaTime;
if (time >= FrameTime.TotalSeconds)
{
time = 0;
currentFrame = NextFrame;
}
return(currentFrame);
}
/// <summary>
/// Call to update gif animation
/// </summary>
public void Update()
{
var currentFrame = CurrentFrame.Update();
if (currentFrame != CurrentFrame && FrameUpdatedCallback != null)
{
CurrentFrame = currentFrame;
FrameUpdatedCallback(currentFrame);
}
}
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;
}
