private void DecodeProc(object param)
{
DecodeProcParams request = (DecodeProcParams)param;
List <FrameData> frames = new List <FrameData>();
int width = 0;
int height = 0;
GifStream gifStream = new GifStream(request.filePath);
int readFrame = 0;
while (gifStream.HasMoreData)
{
if (readFrame >= request.frameToRead && request.frameToRead > 0)
{
break;
}
switch (gifStream.CurrentToken)
{
case GifStream.Token.Image:
var image = gifStream.ReadImage();
width = gifStream.Header.width;
height = gifStream.Header.height;
Color32[] copiedColors = new Color32[image.colors.Length];
image.colors.CopyTo(copiedColors, 0);
frames.Add(new FrameData()
{
colors = copiedColors,
delay = image.DelaySeconds
});
readFrame++;
break;
default:
gifStream.SkipToken();
break;
}
}
gifStream.Dispose();
request.runner.RunInMainThread(() =>
{
Texture2D[] textures = new Texture2D[frames.Count];
int fps = 2;
float totalTime = 0;
for (int i = 0; i < frames.Count; i++)
{
textures[i] = new Texture2D(width, height, TextureFormat.ARGB32, false, false);
textures[i].name = i.ToString();
textures[i].SetPixels32(frames[i].colors);
textures[i].Apply();
totalTime += frames[i].delay;
fps = Mathf.RoundToInt(frames.Count / totalTime);
}
animatedClip = new AnimatedClip(width, height, fps, textures);
IsCompleted = true;
request.runner.DestroySelf();
});
}
// Decode gif file to textures frame list
private void DecodeGif(byte[] bytes)
{
var ms = new MemoryStream(bytes);
frames = new List <Texture>();
frameDelays = new List <float>();
// To stop playing previous gif
index = 0;
using (var gifStream = new GifStream(ms))
{
while (gifStream.HasMoreData)
{
switch (gifStream.CurrentToken)
{
case GifStream.Token.Image:
// var image = gifStream.ReadImage();
// do something with image
// This code is copy from Unitylist
var image = gifStream.ReadImage();
var frame = new Texture2D(
gifStream.Header.width,
gifStream.Header.height,
TextureFormat.ARGB32, false);
frame.SetPixels32(image.colors);
frame.Apply();
frames.Add(frame);
frameDelays.Add(image.SafeDelaySeconds); // More about SafeDelay below
break;
case GifStream.Token.Comment:
var comment = gifStream.ReadComment();
// log this comment
break;
default:
gifStream.SkipToken();
// this token has no use for you, skip it
break;
}
}
}
}
