#617 BigTIFF write support.

2026-05-01 00:00:02 -04:00 · 2021-08-09 21:11:40 +02:00
parent 564778f415
commit 1ddab866fd
9 changed files with 674 additions and 60 deletions
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2021, 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 of the copyright holder 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 HOLDER 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.
+ */
+
+package com.twelvemonkeys.imageio.plugins.tiff;
+
+import com.twelvemonkeys.imageio.metadata.tiff.TIFF;
+import com.twelvemonkeys.imageio.stream.ByteArrayImageInputStream;
+import com.twelvemonkeys.imageio.util.ImageWriterAbstractTest;
+
+import org.junit.Test;
+
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.spi.ImageWriterSpi;
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageOutputStream;
+import java.awt.image.BufferedImage;
+import java.awt.image.RenderedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+import static com.twelvemonkeys.imageio.util.ImageReaderAbstractTest.assertRGBEquals;
+import static org.junit.Assert.assertArrayEquals;
+
+/**
+ * BigTIFFImageWriterTest
+ *
+ * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
+ * @author last modified by $Author: haraldk$
+ * @version $Id: BigTIFFImageWriterTest.java,v 1.0 19.09.13 13:22 haraldk Exp$
+ */
+public class BigTIFFImageWriterTest extends ImageWriterAbstractTest<TIFFImageWriter> {
+    @Override
+    protected ImageWriterSpi createProvider() {
+        return new BigTIFFImageWriterSpi();
+    }
+
+    @Override
+    protected List<? extends RenderedImage> getTestData() {
+        return Arrays.asList(
+                new BufferedImage(300, 200, BufferedImage.TYPE_INT_RGB),
+                new BufferedImage(301, 199, BufferedImage.TYPE_INT_ARGB),
+                new BufferedImage(299, 201, BufferedImage.TYPE_3BYTE_BGR),
+                new BufferedImage(160, 90, BufferedImage.TYPE_4BYTE_ABGR),
+                new BufferedImage(90, 160, BufferedImage.TYPE_BYTE_GRAY),
+                new BufferedImage(30, 20, BufferedImage.TYPE_USHORT_GRAY)
+        );
+    }
+
+    @Test
+    public void roundrtip() throws IOException {
+        TIFFImageWriter writer = createWriter();
+        ImageReader reader = ImageIO.getImageReader(writer);
+
+        try (ImageInputStream input = ImageIO.createImageInputStream(getClassLoaderResource("/bigtiff/BigTIFF.tif"))) {
+            reader.setInput(input);
+            BufferedImage image = reader.read(0);
+
+            ByteArrayOutputStream temp = new ByteArrayOutputStream();
+            try (ImageOutputStream output = ImageIO.createImageOutputStream(temp)) {
+                writer.setOutput(output);
+                writer.write(image);
+            }
+            finally {
+                writer.dispose();
+            }
+
+            // Validate we actually write BigTIFF
+            byte[] data = temp.toByteArray();
+            assertArrayEquals(new byte[] { 'M', 'M', 0, TIFF.BIGTIFF_MAGIC}, Arrays.copyOf(data, 4));
+
+            // Read image back and see that it is the same
+            try (ImageInputStream stream = new ByteArrayImageInputStream(data)) {
+                reader.setInput(stream);
+                BufferedImage after = reader.read(0);
+
+                for (int y = 0; y < image.getHeight(); y++) {
+                    for (int x = 0; x < image.getWidth(); x++) {
+                        assertRGBEquals("Pixel values differ: ", image.getRGB(x, y), after.getRGB(x, y), 0);
+                    }
+                }
+            }
+        }
+        finally {
+            reader.dispose();
+        }
+    }
+}