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/*
* Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6294920 6294926
* @summary Test verifies that BMP images with compression types BI_JPEG and
* BI_PNG are read correctly in case of 1, 8, 16, 24 and 32 bpp
*/
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.stream.ImageOutputStream;
public class EmbeddedFormatTest {
ImageWriter writer;
ImageReader reader;
static int[] bi_types = {
BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_3BYTE_BGR,
BufferedImage.TYPE_USHORT_555_RGB,
BufferedImage.TYPE_BYTE_GRAY,
BufferedImage.TYPE_BYTE_BINARY
};
public EmbeddedFormatTest() {
writer = ImageIO.getImageWritersByFormatName("BMP").next();
reader = ImageIO.getImageReadersByFormatName("BMP").next();
}
public void doTest(String compression, int bi_type) throws IOException {
System.out.println("Test " + compression + " on " + getImageTypeName(bi_type));
BufferedImage src = createTestImage(bi_type);
writer.reset();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageOutputStream ios =
ImageIO.createImageOutputStream(baos);
writer.setOutput(ios);
ImageWriteParam wparam = prepareWriteParam(compression);
writer.write(null, new IIOImage(src, null, null), wparam);
ios.flush();
ios.close();
// read result
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
ImageInputStream iis = ImageIO.createImageInputStream(bais);
reader.reset();
reader.setInput(iis);
BufferedImage dst = reader.read(0);
checkResult(dst);
}
protected BufferedImage createTestImage(int type) {
BufferedImage img = new BufferedImage(200, 200, type);
Graphics g = img.createGraphics();
g.setColor(Color.black);
g.fillRect(0, 0, 200, 200);
g.setColor(Color.white);
g.fillRect(50, 50, 100, 100);
return img;
}
protected void checkResult(BufferedImage img) {
int imgBlack = img.getRGB(25, 25);
if (imgBlack != 0xff000000) {
throw new RuntimeException("Wrong black color: " +
Integer.toHexString(imgBlack));
}
int imgWhite = img.getRGB(100, 100);
if (imgWhite != 0xffffffff) {
throw new RuntimeException("Wrong white color: " +
Integer.toHexString(imgWhite));
}
}
protected ImageWriteParam prepareWriteParam(String compression) {
ImageWriteParam imageWriteParam = writer.getDefaultWriteParam();
imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
imageWriteParam.setCompressionType(compression);
return imageWriteParam;
}
public static void main(String[] args) throws IOException {
EmbeddedFormatTest t = new EmbeddedFormatTest();
for (int i = 0; i < bi_types.length; i++) {
t.doTest("BI_JPEG", bi_types[i]);
t.doTest("BI_PNG", bi_types[i]);
}
}
static String getImageTypeName(int type) {
switch(type) {
case BufferedImage.TYPE_INT_RGB:
return "TYPE_INT_RGB";
case BufferedImage.TYPE_3BYTE_BGR:
return "TYPE_3BYTE_BGR";
case BufferedImage.TYPE_USHORT_555_RGB:
return "TYPE_USHORT_555_RGB";
case BufferedImage.TYPE_BYTE_GRAY:
return "TYPE_BYTE_GRAY";
case BufferedImage.TYPE_BYTE_BINARY:
return "TYPE_BYTE_BINARY";
default:
return "TBD";
}
}
}
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