| /* |
| * Copyright (C) 2010 ZXing authors |
| * |
| * 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. |
| */ |
| |
| /* |
| * These authors would like to acknowledge the Spanish Ministry of Industry, |
| * Tourism and Trade, for the support in the project TSI020301-2008-2 |
| * "PIRAmIDE: Personalizable Interactions with Resources on AmI-enabled |
| * Mobile Dynamic Environments", led by Treelogic |
| * ( http://www.treelogic.com/ ): |
| * |
| * http://www.piramidepse.com/ |
| */ |
| |
| package com.google.zxing.oned.rss.expanded; |
| |
| import java.awt.image.BufferedImage; |
| import java.io.File; |
| import java.util.Vector; |
| |
| import javax.imageio.ImageIO; |
| |
| import com.google.zxing.BinaryBitmap; |
| import com.google.zxing.NotFoundException; |
| import com.google.zxing.client.j2se.BufferedImageLuminanceSource; |
| import com.google.zxing.common.BitArray; |
| import com.google.zxing.common.GlobalHistogramBinarizer; |
| import com.google.zxing.oned.rss.DataCharacter; |
| import com.google.zxing.oned.rss.FinderPattern; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * @author Pablo Orduña, University of Deusto (pablo.orduna@deusto.es) |
| * @author Eduardo Castillejo, University of Deusto (eduardo.castillejo@deusto.es) |
| */ |
| public final class RSSExpandedInternalTestCase extends TestCase { |
| |
| public void testFindFinderPatterns() throws Exception{ |
| RSSExpandedReader rssExpandedReader = new RSSExpandedReader(); |
| |
| String path = "test/data/blackbox/rssexpanded-1/2.jpg"; |
| BufferedImage image = ImageIO.read(new File(path)); |
| BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image))); |
| int rowNumber = binaryMap.getHeight() / 2; |
| BitArray row = binaryMap.getBlackRow(rowNumber, null); |
| Vector<ExpandedPair> previousPairs = new Vector<ExpandedPair>(); |
| |
| ExpandedPair pair1 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber); |
| previousPairs.add(pair1); |
| assertEquals(0, pair1.getFinderPattern().getValue()); |
| assertFalse(pair1.mayBeLast()); |
| |
| ExpandedPair pair2 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber); |
| previousPairs.add(pair2); |
| assertEquals(1, pair2.getFinderPattern().getValue()); |
| assertFalse(pair2.mayBeLast()); |
| |
| ExpandedPair pair3 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber); |
| previousPairs.add(pair3); |
| assertEquals(1, pair3.getFinderPattern().getValue()); |
| assertTrue(pair3.mayBeLast()); |
| |
| try{ |
| rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber); |
| // the previous was the last pair |
| fail(NotFoundException.class.getName() + " expected"); |
| }catch(NotFoundException nfe){ |
| // ok |
| } |
| } |
| |
| public void testRetrieveNextPairPatterns() throws Exception{ |
| RSSExpandedReader rssExpandedReader = new RSSExpandedReader(); |
| |
| String path = "test/data/blackbox/rssexpanded-1/3.jpg"; |
| BufferedImage image = ImageIO.read(new File(path)); |
| BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image))); |
| int rowNumber = binaryMap.getHeight() / 2; |
| BitArray row = binaryMap.getBlackRow(rowNumber, null); |
| Vector<ExpandedPair> previousPairs = new Vector<ExpandedPair>(); |
| |
| ExpandedPair pair1 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber); |
| previousPairs.add(pair1); |
| assertEquals(0, pair1.getFinderPattern().getValue()); |
| assertFalse(pair1.mayBeLast()); |
| |
| ExpandedPair pair2 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber); |
| previousPairs.add(pair2); |
| assertEquals(0, pair2.getFinderPattern().getValue()); |
| assertTrue(pair2.mayBeLast()); |
| } |
| |
| public void testDecodeCheckCharacter() throws Exception{ |
| RSSExpandedReader rssExpandedReader = new RSSExpandedReader(); |
| |
| String path = "test/data/blackbox/rssexpanded-1/3.jpg"; |
| BufferedImage image = ImageIO.read(new File(path)); |
| BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image))); |
| BitArray row = binaryMap.getBlackRow(binaryMap.getHeight() / 2, null); |
| |
| int[] startEnd = {145, 243};//image pixels where the A1 pattern starts (at 124) and ends (at 214) |
| int value = 0;// A |
| FinderPattern finderPatternA1 = new FinderPattern(value, startEnd, startEnd[0], startEnd[1], image.getHeight() / 2); |
| //{1, 8, 4, 1, 1}; |
| DataCharacter dataCharacter = rssExpandedReader.decodeDataCharacter(row, finderPatternA1, true, true); |
| |
| assertEquals(98, dataCharacter.getValue()); |
| } |
| |
| public void testDecodeDataCharacter() throws Exception{ |
| RSSExpandedReader rssExpandedReader = new RSSExpandedReader(); |
| |
| String path = "test/data/blackbox/rssexpanded-1/3.jpg"; |
| BufferedImage image = ImageIO.read(new File(path)); |
| BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image))); |
| BitArray row = binaryMap.getBlackRow(binaryMap.getHeight() / 2, null); |
| |
| int[] startEnd = {145, 243};//image pixels where the A1 pattern starts (at 124) and ends (at 214) |
| int value = 0; // A |
| FinderPattern finderPatternA1 = new FinderPattern(value, startEnd, startEnd[0], startEnd[1], image.getHeight() / 2); |
| //{1, 8, 4, 1, 1}; |
| DataCharacter dataCharacter = rssExpandedReader.decodeDataCharacter(row, finderPatternA1, true, false); |
| |
| assertEquals(19, dataCharacter.getValue()); |
| assertEquals(1007, dataCharacter.getChecksumPortion()); |
| } |
| } |