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CITT Group 3/4 Support - Pass Mode / 2D Change referencing in work
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Schmidor
+128
-91
@@ -45,122 +45,159 @@ import static org.junit.Assert.*;
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*
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* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
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* @author last modified by $Author: haraldk$
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* @version $Id: CCITTFaxDecoderStreamTest.java,v 1.0 09.03.13 14:44 haraldk Exp$
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* @version $Id: CCITTFaxDecoderStreamTest.java,v 1.0 09.03.13 14:44 haraldk
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* Exp$
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*/
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public class CCITTFaxDecoderStreamTest {
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// TODO: Better tests (full A4 width scan lines?)
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static final byte[] DATA_G3_1D = { 0x00, 0x18, // 000000000001|1000| EOL|3W|
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0x4E, 0x00, // 010|0111|000000000 1B|2W|EOL
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0x30, (byte) 0x9C, // 001|1000|010|0111|00 |3W|1B|2W|EOL
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0x00, 0x61, // 0000000001|1000|01 |3W|1B
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0x38, 0x00, // 0|0111|00000000000 |2W|EOL
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(byte) 0xBE, (byte) 0xE0 }; // 1|0111|11|0111|00000 |2W|2B|2W|5F
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// From http://www.mikekohn.net/file_formats/tiff.php
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static final byte[] DATA_TYPE_2 = {
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(byte) 0x84, (byte) 0xe0, // 10000100 11100000
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(byte) 0x84, (byte) 0xe0, // 10000100 11100000
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(byte) 0x84, (byte) 0xe0, // 10000100 11100000
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(byte) 0x7d, (byte) 0xc0, // 01111101 11000000
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};
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static final byte[] DATA_G3_1D_FILL = { 0x00, 0x01, (byte) 0x84, (byte) 0xE0, 0x01, (byte) 0x84, (byte) 0xE0, 0x01,
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(byte) 0x84, (byte) 0xE0, 0x1, 0x7D, (byte) 0xC0 };
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static final byte[] DATA_TYPE_3 = {
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0x00, 0x01, (byte) 0xc2, 0x70,
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0x00, 0x01, 0x70,
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0x01,
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static final byte[] DATA_G3_2D = {
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0x00, 0x1C, // 000000000001|1|100 EOL|1|3W
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0x27, 0x00, // 0|010|0111|00000000 |1B|2W|EOL
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0x17, 0x00, // 0001|0|1|1|1|00000000 |0|V|V|V|EOL
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0x1C, 0x27, // 0001|1|1000|010|0111| |1|3W|1B|2W|
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0x00, 0x12, // 000000000001|0|010| EOL|0|V-1|
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(byte) 0xC0 }; // 1|1|000000 V|V|6F
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};
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static final byte[] DATA_G3_2D_FILL = { 0x00, 0x01, (byte) 0xC2, 0x70, 0x01, 0x70, 0x01, (byte) 0xC2, 0x70, 0x01,
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0x2C };
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static final byte[] DATA_TYPE_4 = {
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0x26, (byte) 0xb0, 95, (byte) 0xfa, (byte) 0xc0
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};
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// EOF exception, not sure
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static final byte[] DATA_G3_2D_lsb2msb = { 0x00, 0x38, (byte) 0xE4, 0x00, (byte) 0xE8, 0x00, 0x38, (byte) 0xE4,
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0x00, 0x48, 0x03 };
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// Image should be (6 x 4):
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// 1 1 1 0 1 1 x x
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// 1 1 1 0 1 1 x x
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// 1 1 1 0 1 1 x x
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// 1 1 0 0 1 1 x x
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BufferedImage image;
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static final byte[] DATA_G4 = {
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0x04, 0x17, // 0000 0100 0001 01|11
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(byte) 0xF5, (byte) 0x80, // 1|111| 0101 1000 0000
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0x08, 0x00, // 0000 1000 0000 0000
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(byte) 0x80 }; // 1000 0000
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// Line 1: V-3, V-2, V0
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// Line 2: V0 V0 V0
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// Line 3: V0 V0 V0
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// Line 4: V-1, V0, V0 EOL EOL
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@Before
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public void init() {
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image = new BufferedImage(6, 4, BufferedImage.TYPE_BYTE_BINARY);
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for (int y = 0; y < 4; y++) {
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for (int x = 0; x < 6; x++) {
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image.setRGB(x, y, x == 3 ? 0xff000000 : 0xffffffff);
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}
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}
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// TODO: Better tests (full A4 width scan lines?)
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image.setRGB(2, 3, 0xff000000);
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}
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// From http://www.mikekohn.net/file_formats/tiff.php
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static final byte[] DATA_TYPE_2 = { (byte) 0x84, (byte) 0xe0, // 10000100
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// 11100000
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(byte) 0x84, (byte) 0xe0, // 10000100 11100000
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(byte) 0x84, (byte) 0xe0, // 10000100 11100000
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(byte) 0x7d, (byte) 0xc0, // 01111101 11000000
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};
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@Test
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public void testReadCountType2() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_TYPE_2), 6, TIFFBaseline.COMPRESSION_CCITT_MODIFIED_HUFFMAN_RLE, 1);
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static final byte[] DATA_TYPE_3 = { 0x00, 0x01, (byte) 0xc2, 0x70, // 00000000
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// 00000001
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// 11000010
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// 01110000
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0x00, 0x01, 0x78, // 00000000 00000001 01111000
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0x00, 0x01, 0x78, // 00000000 00000001 01110000
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0x00, 0x01, 0x56, // 00000000 00000001 01010110
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// 0x01, // 00000001
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int count = 0;
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int read;
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while ((read = stream.read()) >= 0) {
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count++;
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}
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};
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// Just make sure we'll have 4 bytes
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assertEquals(4, count);
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// 001 00110101 10 000010 1 1 1 1 1 1 1 1 1 1 010 11 (000000 padding)
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static final byte[] DATA_TYPE_4 = { 0x26, // 001 00110
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(byte) 0xb0, // 101 10 000
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0x5f, // 010 1 1 1 1 1
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(byte) 0xfa, // 1 1 1 1 1 010
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(byte) 0xc0 // 11 (000000 padding)
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};
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// Verify that we don't return arbitrary values
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assertEquals(-1, read);
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}
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// Image should be (6 x 4):
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// 1 1 1 0 1 1 x x
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// 1 1 1 0 1 1 x x
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// 1 1 1 0 1 1 x x
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// 1 1 0 0 1 1 x x
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BufferedImage image;
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@Test
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public void testDecodeType2() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_TYPE_2), 6, TIFFBaseline.COMPRESSION_CCITT_MODIFIED_HUFFMAN_RLE, 1);
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@Before
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public void init() {
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image = new BufferedImage(6, 4, BufferedImage.TYPE_BYTE_BINARY);
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for (int y = 0; y < 4; y++) {
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for (int x = 0; x < 6; x++) {
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image.setRGB(x, y, x == 3 ? 0xff000000 : 0xffffffff);
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}
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}
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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image.setRGB(2, 3, 0xff000000);
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}
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// JPanel panel = new JPanel();
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// panel.add(new JLabel("Expected", new BufferedImageIcon(image, 300, 300, true), JLabel.CENTER));
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// panel.add(new JLabel("Actual", new BufferedImageIcon(new BufferedImage(image.getColorModel(), Raster.createPackedRaster(new DataBufferByte(bytes, bytes.length), 6, 4, 1, null), false, null), 300, 300, true), JLabel.CENTER));
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// JOptionPane.showConfirmDialog(null, panel);
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@Test
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public void testDecodeType2() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_TYPE_2), 6,
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TIFFBaseline.COMPRESSION_CCITT_MODIFIED_HUFFMAN_RLE, 1, 0L);
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assertArrayEquals(imageData, bytes);
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}
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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assertArrayEquals(imageData, bytes);
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}
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@Test(expected = IllegalArgumentException.class)
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public void testDecodeType3() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_TYPE_3), 6, TIFFExtension.COMPRESSION_CCITT_T4, 1);
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@Test
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public void testDecodeType3_1D() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_G3_1D), 6,
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TIFFExtension.COMPRESSION_CCITT_T4, 1, 0L);
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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DataInputStream dataInput = new DataInputStream(stream);
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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assertArrayEquals(imageData, bytes);
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}
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for (int y = 0; y < image.getHeight(); y++) {
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System.err.println("y: " + y);
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dataInput.readFully(bytes, y * image.getWidth(), image.getWidth());
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}
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@Test
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public void testDecodeType3_1D_FILL() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_G3_1D_FILL), 6,
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TIFFExtension.COMPRESSION_CCITT_T4, 1, TIFFExtension.GROUP3OPT_FILLBITS);
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// JPanel panel = new JPanel();
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// panel.add(new JLabel("Expected", new BufferedImageIcon(image, 300, 300, true), JLabel.CENTER));
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// panel.add(new JLabel("Actual", new BufferedImageIcon(new BufferedImage(image.getColorModel(), Raster.createPackedRaster(new DataBufferByte(bytes, bytes.length), 6, 4, 1, null), false, null), 300, 300, true), JLabel.CENTER));
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// JOptionPane.showConfirmDialog(null, panel);
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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assertArrayEquals(imageData, bytes);
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}
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assertArrayEquals(imageData, bytes);
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}
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@Test
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public void testDecodeType3_2D() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_G3_2D), 6,
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TIFFExtension.COMPRESSION_CCITT_T4, 1, TIFFExtension.GROUP3OPT_2DENCODING);
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@Test(expected = IllegalArgumentException.class)
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public void testDecodeType4() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_TYPE_4), 6, TIFFExtension.COMPRESSION_CCITT_T6, 1);
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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assertArrayEquals(imageData, bytes);
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}
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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DataInputStream dataInput = new DataInputStream(stream);
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@Test
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public void testDecodeType3_2D_FILL() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_G3_2D_FILL), 6,
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TIFFExtension.COMPRESSION_CCITT_T4, 1,
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TIFFExtension.GROUP3OPT_2DENCODING | TIFFExtension.GROUP3OPT_FILLBITS);
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for (int y = 0; y < image.getHeight(); y++) {
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System.err.println("y: " + y);
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dataInput.readFully(bytes, y * image.getWidth(), image.getWidth());
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}
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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assertArrayEquals(imageData, bytes);
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}
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@Test
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public void testDecodeType4() throws IOException {
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InputStream stream = new CCITTFaxDecoderStream(new ByteArrayInputStream(DATA_G4), 6,
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TIFFExtension.COMPRESSION_CCITT_T6, 1,
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0L);
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// JPanel panel = new JPanel();
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// panel.add(new JLabel("Expected", new BufferedImageIcon(image, 300, 300, true), JLabel.CENTER));
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// panel.add(new JLabel("Actual", new BufferedImageIcon(new BufferedImage(image.getColorModel(), Raster.createPackedRaster(new DataBufferByte(bytes, bytes.length), 6, 4, 1, null), false, null), 300, 300, true), JLabel.CENTER));
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// JOptionPane.showConfirmDialog(null, panel);
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assertArrayEquals(imageData, bytes);
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}
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byte[] imageData = ((DataBufferByte) image.getData().getDataBuffer()).getData();
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byte[] bytes = new byte[imageData.length];
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new DataInputStream(stream).readFully(bytes);
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assertArrayEquals(imageData, bytes);
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}
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}
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