package io.futurestud.tutorials.glide.transformation;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
/**
* The code in this class is based on:
* - https://github.com/bumptech/glide/issues/896
*/
public class RotateTransformation extends BitmapTransformation {
private float rotateRotationAngle = 0f;
public RotateTransformation(Context context, float rotateRotationAngle) {
super( context );
this.rotateRotationAngle = rotateRotationAngle;
}
@Override
protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
Matrix matrix = new Matrix();
matrix.postRotate(rotateRotationAngle);
return Bitmap.createBitmap(toTransform, 0, 0, toTransform.getWidth(), toTransform.getHeight(), matrix, true);
}
@Override
public String getId() {
return "rotate" + rotateRotationAngle;
}
}