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package com.bumptech.glide.load.resource.transcode;
import android.graphics.Bitmap;
import com.bumptech.glide.load.engine.Resource;
import com.bumptech.glide.load.resource.bitmap.GlideBitmapDrawable;
import com.bumptech.glide.load.resource.drawable.GlideDrawable;
import com.bumptech.glide.load.resource.gifbitmap.GifBitmapWrapper;
/**
* An {@link com.bumptech.glide.load.resource.transcode.ResourceTranscoder} that can transcode either an
* {@link Bitmap} or an {@link com.bumptech.glide.load.resource.gif.GifDrawable} into an
* {@link android.graphics.drawable.Drawable}.
*/
public class GifBitmapWrapperDrawableTranscoder implements ResourceTranscoder<GifBitmapWrapper, GlideDrawable> {
private final ResourceTranscoder<Bitmap, GlideBitmapDrawable> bitmapDrawableResourceTranscoder;
public GifBitmapWrapperDrawableTranscoder(
ResourceTranscoder<Bitmap, GlideBitmapDrawable> bitmapDrawableResourceTranscoder) {
this.bitmapDrawableResourceTranscoder = bitmapDrawableResourceTranscoder;
}
@SuppressWarnings("unchecked")
@Override
public Resource<GlideDrawable> transcode(Resource<GifBitmapWrapper> toTranscode) {
GifBitmapWrapper gifBitmap = toTranscode.get();
Resource<Bitmap> bitmapResource = gifBitmap.getBitmapResource();
final Resource<? extends GlideDrawable> result;
if (bitmapResource != null) {
result = bitmapDrawableResourceTranscoder.transcode(bitmapResource);
} else {
result = gifBitmap.getGifResource();
}
// This is unchecked but always safe, anything that extends a Drawable can be safely cast to a Drawable.
return (Resource<GlideDrawable>) result;
}
@Override
public String getId() {
return "GifBitmapWrapperDrawableTranscoder.com.bumptech.glide.load.resource.transcode";
}
}
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