120 lines
4.2 KiB
Java
120 lines
4.2 KiB
Java
/*
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* Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4450319
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* @summary Checks that ImageReader.readAll(int, ImageReadParam) makes use of
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* the ImageReadParam object
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*/
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.util.Iterator;
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import java.util.Objects;
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import java.util.Vector;
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import javax.imageio.IIOImage;
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import javax.imageio.ImageReadParam;
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import javax.imageio.ImageReader;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.spi.ImageReaderSpi;
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import javax.imageio.stream.MemoryCacheImageInputStream;
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public class ImageReaderReadAll {
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private final static byte[] ba = {};
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public static void main(String argv[]) {
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ImageReader ireader;
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ImageReadParam irp;
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IIOImage image;
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BufferedImage bi;
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BufferedImage bi_1;
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BufferedImage bi_2;
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ireader = new DummyImageReaderImpl(null);
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MemoryCacheImageInputStream mciis = new MemoryCacheImageInputStream
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(new ByteArrayInputStream(ba));
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ireader.setInput(mciis);
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irp = new ImageReadParam();
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irp.setDestination(new BufferedImage(10, 10,
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BufferedImage.TYPE_3BYTE_BGR));
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try {
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image = ireader.readAll(0, irp);
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bi_1 = ireader.read(0, irp);
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bi_2 = ireader.read(0);
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} catch (java.io.IOException ee) {
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throw new RuntimeException("Unexpected exception: " + ee);
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}
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bi = (BufferedImage)image.getRenderedImage();
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if (bi.getType() != bi_1.getType()) {
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throw new RuntimeException("Images have different type!");
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}
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}
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public static class DummyImageReaderImpl extends ImageReader {
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public DummyImageReaderImpl(ImageReaderSpi originatingProvider) {
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super(originatingProvider);
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}
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public BufferedImage read(int imageIndex, ImageReadParam param)
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throws IOException {
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if (input == null)
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throw new IllegalStateException();
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Objects.checkIndex(imageIndex, 1);
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if (seekForwardOnly) {
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if (imageIndex < minIndex)
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throw new IndexOutOfBoundsException();
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minIndex = imageIndex;
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}
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return getDestination(param, getImageTypes(imageIndex), 10, 15);
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}
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public Iterator getImageTypes(int imageIndex) throws IOException {
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if (input == null)
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throw new IllegalStateException();
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Objects.checkIndex(imageIndex, 1);
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Vector imageTypes = new Vector();
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imageTypes.add(ImageTypeSpecifier.createFromBufferedImageType
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(BufferedImage.TYPE_BYTE_GRAY ));
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return imageTypes.iterator();
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}
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public int getNumImages(boolean allowSearch) throws IOException {return 1;}
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public int getWidth(int imageIndex) throws IOException {return 1;}
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public int getHeight(int imageIndex) throws IOException {return 1;}
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public IIOMetadata getStreamMetadata() throws IOException {return null;}
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public IIOMetadata getImageMetadata(int imageIndex)
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throws IOException {return null;}
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}
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}
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