/*
* 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.core.image.impl;
import boofcv.struct.image.*;
/**
* Low level implementations of different methods for converting {@link boofcv.struct.image.ImageInterleaved} into
* {@link ImageGray}.
*
* <ul>
* <li>Average computes the average value of each pixel across the bands.
* </ul>
*
* <p>
* DO NOT MODIFY: This class was automatically generated by {@link boofcv.core.image.impl.GenerateConvertInterleavedToSingle}
* </p>
*
* @author Peter Abeles
*/
public class ConvertInterleavedToSingle {
public static void average( InterleavedU8 from , GrayU8 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
int sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++]& 0xFF;
}
to.data[indexTo++] = (byte)(sum/numBands);
}
}
}
}
public static void average( InterleavedS8 from , GrayS8 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
int sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++];
}
to.data[indexTo++] = (byte)(sum/numBands);
}
}
}
}
public static void average( InterleavedU16 from , GrayU16 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
int sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++]& 0xFFFF;
}
to.data[indexTo++] = (short)(sum/numBands);
}
}
}
}
public static void average( InterleavedS16 from , GrayS16 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
int sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++];
}
to.data[indexTo++] = (short)(sum/numBands);
}
}
}
}
public static void average( InterleavedS32 from , GrayS32 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
int sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++];
}
to.data[indexTo++] = (sum/numBands);
}
}
}
}
public static void average( InterleavedS64 from , GrayS64 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
long sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++];
}
to.data[indexTo++] = (sum/numBands);
}
}
}
}
public static void average( InterleavedF32 from , GrayF32 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
float sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++];
}
to.data[indexTo++] = (sum/numBands);
}
}
}
}
public static void average( InterleavedF64 from , GrayF64 to ) {
final int numBands = from.getNumBands();
if( numBands == 1 ) {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
System.arraycopy(from.data,indexFrom,to.data,indexTo,from.width);
}
} else {
for (int y = 0; y < from.height; y++) {
int indexFrom = from.getIndex(0, y);
int indexTo = to.getIndex(0, y);
for (int x = 0; x < from.width; x++ ) {
double sum = 0;
int indexFromEnd = indexFrom + numBands;
while( indexFrom < indexFromEnd ) {
sum += from.data[indexFrom++];
}
to.data[indexTo++] = (sum/numBands);
}
}
}
}
}