/*
* 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.feature.describe.impl;
import boofcv.misc.AutoTypeImage;
import boofcv.misc.CodeGeneratorBase;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.PrintStream;
/**
* @author Peter Abeles
*/
public class GenerateImplDescribeBinaryCompare extends CodeGeneratorBase {
AutoTypeImage imageType;
@Override
public void generate() throws FileNotFoundException {
printClass(AutoTypeImage.F32);
printClass(AutoTypeImage.U8);
}
private void printClass( AutoTypeImage imageType ) throws FileNotFoundException {
this.imageType = imageType;
className = "ImplDescribeBinaryCompare_"+imageType.getAbbreviatedType();
out = new PrintStream(new FileOutputStream(className + ".java"));
printPreamble();
printFunctions();
out.print("}\n");
}
private void printPreamble() throws FileNotFoundException {
setOutputFile(className);
out.print("import boofcv.alg.feature.describe.DescribePointBinaryCompare;\n " +
"import boofcv.alg.feature.describe.DescribePointBrief;\n" +
"import boofcv.alg.feature.describe.brief.BinaryCompareDefinition_I32;\n" +
"import boofcv.struct.feature.TupleDesc_B;\n" +
"import boofcv.struct.image.*;\n" +
"import georegression.struct.point.Point2D_I32;\n" +
"\n" +
"import java.util.Arrays;\n" +
"\n" +
"/**\n" +
" * <p>\n" +
" * Implementation of {@link DescribePointBinaryCompare} for a specific image type.\n" +
" * </p>\n" +
" *\n" +
" * <p>\n" +
" * WARNING: Do not modify. Automatically generated by {@link GenerateImplDescribeBinaryCompare}.\n" +
" * </p>\n" +
" *\n" +
" * @author Peter Abeles\n" +
" */\n" +
"public class "+className+" extends DescribePointBinaryCompare<"+imageType.getSingleBandName()+"> {\n" +
"\n" +
"\tpublic "+className+"(BinaryCompareDefinition_I32 definition) {\n" +
"\t\tsuper(definition);\n" +
"\t}\n\n");
}
public void printFunctions() {
String bitwise = imageType.getBitWise();
String sumType = imageType.getSumType();
out.print("\t@Override\n" +
"\tpublic void processInside( int c_x , int c_y , TupleDesc_B feature )\n" +
"\t{\n" +
"\t\tArrays.fill(feature.data, 0);\n" +
"\n" +
"\t\tint index = image.startIndex + image.stride*c_y + c_x;\n" +
"\n" +
"\t\tfor( int i = 0; i < definition.compare.length; i += 32 ) {\n" +
"\t\t\tint end = Math.min(definition.compare.length,i+32);\n" +
"\t\t\t"+sumType+" valA = image.data[index + offsetsA[i]]"+bitwise+";\n" +
"\t\t\t"+sumType+" valB = image.data[index + offsetsB[i]]"+bitwise+";\n" +
"\n" +
"\t\t\tint desc = valA < valB ? 1 : 0;\n" +
"\t\t\tfor( int j = i+1; j < end; j++ ) {\n" +
"\t\t\t\tvalA = image.data[index + offsetsA[j]]"+bitwise+";\n" +
"\t\t\t\tvalB = image.data[index + offsetsB[j]]"+bitwise+";\n" +
"\n" +
"\t\t\t\tdesc *= 2;\n" +
"\t\t\t\tif( valA < valB ) {\n" +
"\t\t\t\t\tdesc += 1;\n" +
"\t\t\t\t}\n" +
"\t\t\t}\n" +
"\n" +
"\t\t\tfeature.data[ i/32 ] = desc;\n" +
"\t\t}\n" +
"\t}\n\n");
out.print("\t@Override\n" +
"\tpublic void processBorder( int c_x , int c_y , TupleDesc_B feature ) {\n" +
"\t\tArrays.fill(feature.data, 0);\n" +
"\n" +
"\t\tint index = image.startIndex + image.stride*c_y + c_x;\n" +
"\n" +
"\t\tfor( int i = 0; i < definition.compare.length; i += 32 ) {\n" +
"\t\t\tint end = Math.min(definition.compare.length,i+32);\n" +
"\t\t\tint desc = 0;\n" +
"\t\t\tfor( int j = i; j < end; j++ ) {\n" +
"\t\t\t\tPoint2D_I32 c = definition.compare[j];\n" +
"\t\t\t\tPoint2D_I32 p_a = definition.samplePoints[c.x];\n" +
"\t\t\t\tPoint2D_I32 p_b = definition.samplePoints[c.y];\n" +
"\n" +
"\t\t\t\tif( image.isInBounds(p_a.x + c_x , p_a.y + c_y) &&\n" +
"\t\t\t\t\t\timage.isInBounds(p_b.x + c_x , p_b.y + c_y) ){\n" +
"\t\t\t\t\t"+sumType+" valA = image.data[index + offsetsA[j]]"+bitwise+";\n" +
"\t\t\t\t\t"+sumType+" valB = image.data[index + offsetsB[j]]"+bitwise+";\n" +
"\n" +
"\t\t\t\t\tdesc *= 2;\n" +
"\n" +
"\t\t\t\t\tif( valA < valB ) {\n" +
"\t\t\t\t\t\tdesc += 1;\n" +
"\t\t\t\t\t}\n" +
"\t\t\t\t}\n" +
"\t\t\t}\n" +
"\t\t\tfeature.data[ i/32 ] = desc;\n" +
"\t\t}\n" +
"\t}\n\n");
}
public static void main( String args[] ) throws FileNotFoundException {
GenerateImplDescribeBinaryCompare app = new GenerateImplDescribeBinaryCompare();
app.generate();
}
}