@Override
        public int hashCode() {
            int result = width;
            result = 31 * result + height;
            result = 31 * result + (config != null ? config.hashCode() : 0);
            return result;
        }
A strategy for reusing bitmaps that requires any returned bitmap's dimensions to exactly match those request.
core/src/main/java/com/bumptech/glide/load/engine/bitmap_recycle/AttributeStrategy.java