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GifHelper.cs
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GifHelper.cs
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using System.Drawing.Imaging;
using System.Drawing;
using UnityEngine;
using System.IO;
using System.Net;
namespace MayuLayuPayuMod.Helper
{
public class Gif
{
public static Texture2D[] GetGifFrameFromURL(string url)
{
WebClient wc = new WebClient();
Image[] images = getFrames(Image.FromStream(new MemoryStream(wc.DownloadData(url))));
Texture2D[] frames = new Texture2D[images.Length];
for (int i = 0; i < images.Length; i++)
{
MemoryStream memoryStream = new MemoryStream();
images[i].Save(memoryStream, ImageFormat.Png);
var texture = new Texture2D(1, 1);
ImageConversion.LoadImage(texture, memoryStream.ToArray());
texture.hideFlags |= HideFlags.DontUnloadUnusedAsset;
texture.wrapMode = TextureWrapMode.Clamp;
frames[i] = texture;
}
return frames;
}
public static Texture2D[] GetGifFrameFromMemory(byte[] bytes)
{
Image[] images = getFrames(Image.FromStream(new MemoryStream(bytes)));
Texture2D[] frames = new Texture2D[images.Length];
for (int i = 0; i < images.Length; i++)
{
MemoryStream memoryStream = new MemoryStream();
images[i].Save(memoryStream, ImageFormat.Png);
var texture = new Texture2D(1, 1);
ImageConversion.LoadImage(texture, memoryStream.ToArray());
texture.hideFlags |= HideFlags.DontUnloadUnusedAsset;
texture.wrapMode = TextureWrapMode.Clamp;
frames[i] = texture;
}
return frames;
}
public static Texture2D[] GetGifFrameFromFile(string filepath)
{
Image[] images = getFrames(Image.FromFile(filepath));
Texture2D[] frames = new Texture2D[images.Length];
for (int i = 0; i < images.Length; i++)
{
MemoryStream memoryStream = new MemoryStream();
images[i].Save(memoryStream, ImageFormat.Png);
var texture = new Texture2D(1, 1);
ImageConversion.LoadImage(texture, memoryStream.ToArray());
texture.hideFlags |= HideFlags.DontUnloadUnusedAsset;
texture.wrapMode = TextureWrapMode.Clamp;
frames[i] = texture;
}
return frames;
}
private static Image[] getFrames(Image originalImg)
{
int numberOfFrames = originalImg.GetFrameCount(FrameDimension.Time);
Image[] frames = new Image[numberOfFrames];
for (int i = 0; i < numberOfFrames; i++)
{
originalImg.SelectActiveFrame(FrameDimension.Time, i);
frames[i] = ((Image)originalImg.Clone());
}
return frames;
}
}
}