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Merge pull request #207 from Schmidor/tiff_sequencewriter

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Enable sequence writing on TIFFImageWriter
This commit is contained in:
Harald Kuhr
2016-04-21 15:00:51 +02:00
parent ed434dfb1d e4f193400d
commit d9324ef634
3 changed files with 171 additions and 36 deletions
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imageio/imageio-tiff/src/test/java/com/twelvemonkeys/imageio/plugins/tiff/TIFFImageWriterTest.java
+64 -6
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@@ -37,18 +37,16 @@ import com.twelvemonkeys.imageio.stream.ByteArrayImageInputStream;
import com.twelvemonkeys.imageio.util.ImageWriterAbstractTestCase;
import org.junit.Test;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.ImageWriter;
import javax.imageio.*;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataFormatImpl;
import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.stream.ImageOutputStream;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.*;
import java.util.Arrays;
import java.util.List;
@@ -277,4 +275,64 @@ public class TIFFImageWriterTest extends ImageWriterAbstractTestCase {
assertNotNull(software);
assertEquals(softwareString, software.getValueAsString());
}
@Test
public void testSequenceWriter() throws IOException {
ImageWriter writer = createImageWriter();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ImageOutputStream stream = ImageIO.createImageOutputStream(buffer);
writer.setOutput(stream);
Graphics2D g2d = null;
BufferedImage image[] = new BufferedImage[] {
new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB),
new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB),
new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB)
};
g2d = image[0].createGraphics();
g2d.setColor(Color.red);
g2d.fillRect(0,0,100,100);
g2d.dispose();
g2d = image[1].createGraphics();
g2d.setColor(Color.green);
g2d.fillRect(0,0,100,100);
g2d.dispose();
g2d = image[2].createGraphics();
g2d.setColor(Color.blue);
g2d.fillRect(0,0,100,100);
g2d.dispose();
ImageWriteParam params = writer.getDefaultWriteParam();
params.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
assertTrue("", writer.canWriteSequence());
try {
writer.prepareWriteSequence(null);
params.setCompressionType("JPEG");
writer.writeToSequence(new IIOImage(image[0], null, null), params);
params.setCompressionType("None");
writer.writeToSequence(new IIOImage(image[1], null, null), params);
params.setCompressionType("JPEG");
writer.writeToSequence(new IIOImage(image[2], null, null), params);
g2d.dispose();
writer.endWriteSequence();
}
catch (IOException e) {
fail(e.getMessage());
}
finally {
stream.close(); // Force data to be written
}
ImageInputStream input = ImageIO.createImageInputStream(new ByteArrayInputStream(buffer.toByteArray()));
ImageReader reader = ImageIO.getImageReaders(input).next();
reader.setInput(input);
assertEquals("wrong image count", 3, reader.getNumImages(true));
for(int i = 0; i < reader.getNumImages(true); i++){
reader.read(i);
}
}
}