TMI-TIFF: Initial commit. Major work in progress. :-)

2026-05-01 00:00:02 -04:00 · 2012-05-22 00:00:11 +02:00
parent 9492ed67f1
commit 98361194ea
36 changed files with 2070 additions and 678 deletions
@@ -0,0 +1,122 @@
+package com.twelvemonkeys.imageio.plugins.tiff;/*
+ * Copyright (c) 2012, Harald Kuhr
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name "TwelveMonkeys" nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import com.twelvemonkeys.io.enc.Decoder;
+import com.twelvemonkeys.io.enc.DecoderAbstractTestCase;
+import com.twelvemonkeys.io.enc.DecoderStream;
+import com.twelvemonkeys.io.enc.Encoder;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import static org.junit.Assert.*;
+
+/**
+ * LZWDecoderTest
+ *
+ * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
+ * @author last modified by $Author: haraldk$
+ * @version $Id: LZWDecoderTest.java,v 1.0 08.05.12 23:44 haraldk Exp$
+ */
+public class LZWDecoderTest extends DecoderAbstractTestCase {
+
+    @Test
+    public void testIsOldBitReversedStreamTrue() throws IOException {
+        assertTrue(LZWDecoder.isOldBitReversedStream(getClass().getResourceAsStream("/lzw/lzw-short.bin")));
+    }
+
+    @Test
+    public void testIsOldBitReversedStreamFalse() throws IOException {
+        assertFalse(LZWDecoder.isOldBitReversedStream(getClass().getResourceAsStream("/lzw/lzw-long.bin")));
+    }
+
+    @Test
+    public void testShortBitReversedStream() throws IOException {
+        InputStream stream = new DecoderStream(getClass().getResourceAsStream("/lzw/lzw-short.bin"), new LZWDecoder(true), 128);
+        InputStream unpacked = new ByteArrayInputStream(new byte[512 * 3 * 5]); // Should be all 0's
+
+        assertSameStreamContents(unpacked, stream);
+    }
+
+    @Ignore("Known issue")
+    @Test
+    public void testShortBitReversedStreamLine45To49() throws IOException {
+        InputStream stream = new DecoderStream(getClass().getResourceAsStream("/lzw/lzw-short-45-49.bin"), new LZWDecoder(true), 128);
+        InputStream unpacked = getClass().getResourceAsStream("/lzw/unpacked-short-45-49.bin");
+
+        assertSameStreamContents(unpacked, stream);
+    }
+
+    @Test
+    public void testLongStream() throws IOException {
+        InputStream stream = new DecoderStream(getClass().getResourceAsStream("/lzw/lzw-long.bin"), new LZWDecoder(), 1024);
+        InputStream unpacked = getClass().getResourceAsStream("/lzw/unpacked-long.bin");
+
+        assertSameStreamContents(unpacked, stream);
+    }
+
+    private void assertSameStreamContents(InputStream expected, InputStream actual) {
+        int count = 0;
+        int data;
+
+        try {
+//            long toSkip = 3800;
+//            while ((toSkip -= expected.skip(toSkip)) > 0) {
+//            }
+//            toSkip = 3800;
+//            while ((toSkip -= actual.skip(toSkip)) > 0) {
+//            }
+
+            while ((data = actual.read()) !=  -1) {
+                count++;
+
+                assertEquals(String.format("Incorrect data at offset 0x%04x", count), expected.read(), data);
+            }
+
+            assertEquals(-1, data);
+            assertEquals(expected.read(), actual.read());
+        }
+        catch (IOException e) {
+            fail(String.format("Bad/corrupted data or EOF at offset 0x%04x: %s", count, e.getMessage()));
+        }
+    }
+
+    @Override
+    public Decoder createDecoder() {
+        return new LZWDecoder();
+    }
+
+    @Override
+    public Encoder createCompatibleEncoder() {
+        // Don't have an encoder yet
+        return null;
+    }
+}
@@ -0,0 +1,91 @@
+package com.twelvemonkeys.imageio.plugins.tiff;/*
+ * Copyright (c) 2012, Harald Kuhr
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name "TwelveMonkeys" nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import com.twelvemonkeys.imageio.util.ImageReaderAbstractTestCase;
+
+import javax.imageio.spi.ImageReaderSpi;
+import java.awt.*;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * TIFFImageReaderTest
+ *
+ * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
+ * @author last modified by $Author: haraldk$
+ * @version $Id: TIFFImageReaderTest.java,v 1.0 08.05.12 15:25 haraldk Exp$
+ */
+public class TIFFImageReaderTest extends ImageReaderAbstractTestCase<TIFFImageReader> {
+
+    private static final TIFFImageReaderSpi SPI = new TIFFImageReaderSpi();
+
+    @Override
+    protected List<TestData> getTestData() {
+        return Arrays.asList(
+                new TestData(getClassLoaderResource("/tiff/balloons.tif"), new Dimension(640, 480)), // RGB, uncompressed
+                new TestData(getClassLoaderResource("/tiff/sm_colors_pb.tif"), new Dimension(64, 64)), // RGB, PackBits compressed
+                new TestData(getClassLoaderResource("/tiff/sm_colors_tile.tif"), new Dimension(64, 64)), // RGB, uncompressed, tiled
+                new TestData(getClassLoaderResource("/tiff/sm_colors_pb_tile.tif"), new Dimension(64, 64)), // RGB, PackBits compressed, tiled
+                new TestData(getClassLoaderResource("/tiff/galaxy.tif"), new Dimension(965, 965)), // RGB, LZW compressed
+                new TestData(getClassLoaderResource("/tiff/bali.tif"), new Dimension(725, 489)), // Palette-based, LZW compressed
+                new TestData(getClassLoaderResource("/tiff/f14.tif"), new Dimension(640, 480)), // Gray, uncompressed
+                new TestData(getClassLoaderResource("/tiff/marbles.tif"), new Dimension(1419, 1001)), // RGB, LZW compressed w/predictor
+                new TestData(getClassLoaderResource("/tiff/chifley_logo.tif"), new Dimension(591, 177)) // CMYK, uncompressed
+        );
+    }
+
+    @Override
+    protected ImageReaderSpi createProvider() {
+        return SPI;
+    }
+
+    @Override
+    protected Class<TIFFImageReader> getReaderClass() {
+        return TIFFImageReader.class;
+    }
+
+    @Override
+    protected TIFFImageReader createReader() {
+        return SPI.createReaderInstance(null);
+    }
+
+    @Override
+    protected List<String> getFormatNames() {
+        return Arrays.asList("tiff", "TIFF");
+    }
+
+    @Override
+    protected List<String> getSuffixes() {
+        return Arrays.asList("tif", "tiff");
+    }
+
+    @Override
+    protected List<String> getMIMETypes() {
+        return Arrays.asList("image/tiff");
+    }
+}