/**
* Create an {@link ArrayImgFactory} if an image of the requested <code>targetSize</code> could be
* held in an {@link ArrayImg}. Otherwise return a {@link CellImgFactory} with as large as
* possible cell size.
*
* @param targetSize size of image that the factory should be able to create.
* @param type type of the factory.
* @return an {@link ArrayImgFactory} or a {@link CellImgFactory}.
*/
public static <T extends NativeType<T>> ImgFactory<T> getArrayOrCellImgFactory(
final Dimensions targetSize, final T type) {
if (Intervals.numElements(targetSize) <= Integer.MAX_VALUE) return new ArrayImgFactory<T>();
final int cellSize =
(int)
Math.pow(
Integer.MAX_VALUE / type.getEntitiesPerPixel().getRatio(),
1.0 / targetSize.numDimensions());
return new CellImgFactory<T>(cellSize);
}
