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BoofCV is an open source Java library for real-time computer vision and robotics applications.
/*
* Copyright (c) 2011-2013, 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.weights;
import boofcv.struct.convolve.Kernel2D_F32;
/**
* Weight which uses the values contained in a {@link Kernel2D_F32}. For performance reasons no checks are
* done to see if a request has been made outside the kernel's radius. Those values should be zero.
*
* @author Peter Abeles
*/
public abstract class WeightPixelKernel_F32 implements WeightPixel_F32 {
protected Kernel2D_F32 kernel;
@Override
public float weightIndex(int index) {
return kernel.data[index];
}
@Override
public float weight(int x, int y) {
x += kernel.getRadius();
y += kernel.getRadius();
return kernel.data[ y*kernel.width + x ];
}
@Override
public int getRadiusX() {
return kernel.getRadius();
}
@Override
public int getRadiusY() {
return kernel.getRadius();
}
}