/*
* Copyright (c) 2011-2016, Peter Abeles. All Rights Reserved.
*
* This file is part of BoofCV (http://boofcv.org).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package boofcv.alg.interpolate;
import boofcv.struct.image.ImageGray;
/**
* Interface for interpolation between pixels on a per-pixel basis for a single band image.
*
* @author Peter Abeles
*/
public interface InterpolatePixelS<T extends ImageGray> extends InterpolatePixel<T> {
/**
* Returns the interpolated pixel value at the specified location while checking to see if
* border conditions apply. If the requested pixel is outside the image border it will attempt
* to process it using or throw a null pointer exception of a border handler has not been specified.
*
* @param x Point's x-coordinate. x ≥ 0 && x < image.width or all values if border specified
* @param y Point's y-coordinate. y ≥ 0 && y < image.height or all values if border specified
* @return Interpolated intensity value or NaN if it can't be interpolated.
*/
public float get(float x, float y);
/**
* Returns the interpolated pixel value at the specified location while assuming it is inside
* the image far away from the border. For any input point {@link #isInFastBounds} should return true.
*
* @param x Point's x-coordinate.
* @param y Point's y-coordinate.
* @return Interpolated intensity value.
*/
public float get_fast(float x, float y);
}