boofcv.struct.image.InterleavedU8 Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of ip Show documentation

BoofCV is an open source Java library for real-time computer vision and robotics applications.

There is a newer version: 0.26

/*
 * Copyright (c) 2011-2015, 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.struct.image;

/**
 * 
 * An image where the primitive type is an unsigned byte.
 * 
 *
 * @author Peter Abeles
 */
public class InterleavedU8 extends InterleavedI8 {

	/**
	 * Creates a new image with an arbitrary number of bands/colors.
	 *
	 * @param width	number of columns in the image.
	 * @param height   number of rows in the image.
	 * @param numBands number of bands/colors in the image.
	 */
	public InterleavedU8(int width, int height, int numBands) {
		super(width, height, numBands);
	}

	public InterleavedU8() {
	}

	@Override
	public ImageDataType getDataType() {
		return ImageDataType.U8;
	}

	/**
	 * Returns the value of the specified band in the specified pixel.
	 *
	 * @param x	pixel coordinate.
	 * @param y	pixel coordinate.
	 * @param band which color band in the pixel
	 * @return an intensity value.
	 */
	@Override
	public int getBand(int x, int y, int band) {
		if (!isInBounds(x, y))
			throw new ImageAccessException("Requested pixel is out of bounds.");
		if (band < 0 || band >= numBands)
			throw new ImageAccessException("Invalid band requested.");

		return data[getIndex(x, y, band)] & 0xFF;
	}

	@Override
	public void get_unsafe(int x, int y, int[] storage) {
		int index = getIndex(x, y, 0);
		for (int i = 0; i < numBands; i++, index++) {
			storage[i] = data[index] & 0xFF;
		}
	}

	@Override
	public InterleavedU8 _createNew(int imgWidth, int imgHeight) {
		if (imgWidth == -1 || imgHeight == -1)
			return new InterleavedU8();
		return new InterleavedU8(imgWidth, imgHeight, numBands);
	}
}