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1
58 package org.krysalis.barcode.output.bitmap;
59
60 import java.awt.image.BufferedImage  ;
61 import java.io.ByteArrayOutputStream ;
62
63 import org.apache.avalon.framework.configuration.DefaultConfiguration;
64 import org.apache.avalon.framework.logger.Logger;
65 import org.apache.avalon.framework.logger.NullLogger;
66 import org.krysalis.barcode.BarcodeDimension;
67 import org.krysalis.barcode.BarcodeException;
68 import org.krysalis.barcode.BarcodeGenerator;
69 import org.krysalis.barcode.BarcodeUtil;
70
71 import junit.framework.TestCase;
72
73
78 public class BitmapOutputTest extends TestCase {
79
80 public BitmapOutputTest(String name) {
81 super(name);
82 }
83
84 private BarcodeGenerator getGenerator() throws BarcodeException {
85 DefaultConfiguration cfg = new DefaultConfiguration("cfg");
86 cfg.addChild(new DefaultConfiguration("intl2of5"));
87 Logger log = new NullLogger();
88
89 BarcodeUtil util = BarcodeUtil.getInstance();
90 BarcodeGenerator gen = util.createBarcodeGenerator(cfg, log);
91 return gen;
92 }
93
94 public void testBitmap() throws Exception {
95 BarcodeGenerator gen = getGenerator();
96 BarcodeDimension dim = gen.calcDimensions("123");
97
98 BufferedImage image =
99 BitmapBuilder.prepareImage(dim, 200, BufferedImage.TYPE_BYTE_GRAY);
100 assertEquals("Width in pixels should be 107", 107, image.getWidth());
101 assertEquals("Height in pixels should be 118", 118, image.getHeight());
102 }
103
104 public void testBitmapFile() throws Exception {
105 BarcodeGenerator gen = getGenerator();
106
107 ByteArrayOutputStream baout = new ByteArrayOutputStream ();
108 BitmapCanvasProvider provider = new BitmapCanvasProvider(baout,
109 "image/jpeg", 200, BufferedImage.TYPE_BYTE_GRAY, true);
110
111 gen.generateBarcode(provider, "123");
113 provider.finish();
114
115 assertTrue(baout.size() > 0);
116 }
117
118 public void testBitmapBuffered() throws Exception {
119 BarcodeGenerator gen = getGenerator();
120
121 BitmapCanvasProvider provider =
122 new BitmapCanvasProvider(200, BufferedImage.TYPE_BYTE_GRAY, true);
123
124 gen.generateBarcode(provider, "123");
126 provider.finish();
127 BufferedImage image = provider.getBufferedImage();
128
129 assertNotNull(image);
130 assertEquals("Width in pixels should be 107", 107, image.getWidth());
131 assertEquals("Height in pixels should be 118", 118, image.getHeight());
132 }
133
134 } |
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