#379 TGA write

2026-05-28 00:00:03 -04:00 · 2018-09-08 16:04:06 +02:00
parent 5a3945c411
commit 586359e7ab
11 changed files with 614 additions and 29 deletions
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2017, 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.tga;
+
+import com.twelvemonkeys.imageio.util.ImageTypeSpecifiers;
+import com.twelvemonkeys.imageio.util.ImageWriterAbstractTest;
+import org.junit.Test;
+
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.ImageTypeSpecifier;
+import javax.imageio.ImageWriter;
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageOutputStream;
+import java.awt.color.ColorSpace;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
+import java.awt.image.RenderedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+import static com.twelvemonkeys.imageio.util.ImageReaderAbstractTest.assertImageDataEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assume.assumeNotNull;
+
+/**
+ * TGAImageWriterTest
+ */
+public class TGAImageWriterTest extends ImageWriterAbstractTest {
+
+    private static final TGAImageWriterSpi PROVIDER = new TGAImageWriterSpi();
+    private static final ImageTypeSpecifier TYPE_USHORT_1555_ARGB = ImageTypeSpecifiers.createPacked(ColorSpace.getInstance(ColorSpace.CS_sRGB), 0x7C00, 0x03E0, 0x001F, 0x8000, DataBuffer.TYPE_USHORT, false);
+
+    @Override
+    protected ImageWriter createImageWriter() {
+        return new TGAImageWriter(PROVIDER);
+    }
+
+    @Override
+    protected List<? extends RenderedImage> getTestData() {
+        return Arrays.asList(
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_INT_RGB)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB_PRE)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_INT_BGR)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_3BYTE_BGR)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_4BYTE_ABGR)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_4BYTE_ABGR_PRE)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_USHORT_555_RGB)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_BYTE_GRAY)),
+                drawSomething(new BufferedImage(10, 10, BufferedImage.TYPE_BYTE_INDEXED)),
+                drawSomething(TYPE_USHORT_1555_ARGB.createBufferedImage(10, 10))
+        );
+    }
+
+    @Test
+    public void testWriteRead() throws IOException {
+        ImageWriter writer = createImageWriter();
+        ImageReader reader = ImageIO.getImageReader(writer);
+
+        assumeNotNull(reader);
+
+        for (RenderedImage testData : getTestData()) {
+            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+
+            try (ImageOutputStream stream = ImageIO.createImageOutputStream(buffer)) {
+                writer.setOutput(stream);
+                writer.write(drawSomething((BufferedImage) testData));
+            }
+
+            try (ImageInputStream stream = ImageIO.createImageInputStream(new ByteArrayInputStream(buffer.toByteArray()))) {
+                reader.setInput(stream);
+
+                BufferedImage image = reader.read(0);
+
+                assertNotNull(image);
+                assertImageDataEquals("Images differ for " + testData, (BufferedImage) testData, image);
+            }
+        }
+    }
+}