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

There is a newer version: 1.1.6

/*
 * Copyright (c) 2021, 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.distort;

import boofcv.struct.image.*;

/**
 * Abstract way to assign pixel values to {@link ImageMultiBand} without knowing the underlying data type.
 *
 * @author Peter Abeles
 */
public interface AssignPixelValue_MB> {
	void setImage( T image );

	void assign( int indexDst, float[] value );

	@SuppressWarnings({"NullAway.Init"})
	class F32 implements AssignPixelValue_MB {
		InterleavedF32 image;

		@Override public void setImage( InterleavedF32 image ) {this.image = image;}

		@Override public void assign( int indexDst, float[] value ) {
			for (int i = 0; i < image.numBands; i++) {
				image.data[indexDst + i] = value[i];
			}
		}
	}

	@SuppressWarnings({"NullAway.Init"})
	class I8> implements AssignPixelValue_MB {
		T image;

		@Override public void setImage( T image ) {this.image = image;}

		@Override public void assign( int indexDst, float[] value ) {
			for (int i = 0; i < image.numBands; i++) {
				image.data[indexDst + i] = (byte)value[i];
			}
		}
	}

	@SuppressWarnings({"NullAway.Init"})
	class I16> implements AssignPixelValue_MB {
		T image;

		@Override public void setImage( T image ) {this.image = image;}

		@Override public void assign( int indexDst, float[] value ) {
			for (int i = 0; i < image.numBands; i++) {
				image.data[indexDst + i] = (short)value[i];
			}
		}
	}

	@SuppressWarnings({"NullAway.Init"})
	class S32 implements AssignPixelValue_MB {
		InterleavedS32 image;

		@Override public void setImage( InterleavedS32 image ) {this.image = image;}

		@Override public void assign( int indexDst, float[] value ) {
			for (int i = 0; i < image.numBands; i++) {
				image.data[indexDst + i] = (int)value[i];
			}
		}
	}
}