/*
* Copyright (c) 2016, 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
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*/
/**
* @test
* @bug 8149028
* @author a.stepanov
* @summary a simple write-read test for TIFFDirectory
* @run main TIFFDirectoryWriteReadTest
*/
import java.awt.*;
import java.awt.color.*;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.*;
import javax.imageio.metadata.*;
import javax.imageio.stream.*;
import javax.imageio.plugins.tiff.*;
public class TIFFDirectoryWriteReadTest {
private final static String FILENAME = "test.tiff";
private final static int SZ = 100;
private final static Color C = Color.RED;
private static final String COPYRIGHT[] = {"Copyright 123ABC.."};
private static final String DESCRIPTION[] = {"Test Image", "Description"};
private static final String SOFTWARE[] = {"test", "software", "123"};
private static final long RES_X[][] = {{2, 1}}, RES_Y[][] = {{1, 1}};
private static final byte[] ICC_PROFILE =
ICC_ProfileRGB.getInstance(ColorSpace.CS_sRGB).getData();
private ImageWriter getTIFFWriter() {
java.util.Iterator<ImageWriter> writers =
ImageIO.getImageWritersByFormatName("TIFF");
if (!writers.hasNext()) {
throw new RuntimeException("No writers available for TIFF format");
}
return writers.next();
}
private ImageReader getTIFFReader() {
java.util.Iterator<ImageReader> readers =
ImageIO.getImageReadersByFormatName("TIFF");
if (!readers.hasNext()) {
throw new RuntimeException("No readers available for TIFF format");
}
return readers.next();
}
private void addASCIIField(TIFFDirectory d,
String name,
String data[],
int num) {
d.addTIFFField(new TIFFField(
new TIFFTag(name, num, 1 << TIFFTag.TIFF_ASCII),
TIFFTag.TIFF_ASCII, data.length, data));
}
private void checkASCIIField(TIFFDirectory d,
String what,
String data[],
int num) {
String notFound = what + " field was not found";
check(d.containsTIFFField(num), notFound);
TIFFField f = d.getTIFFField(num);
check(f.getType() == TIFFTag.TIFF_ASCII, "field type != ASCII");
check(f.getCount() == data.length, "invalid " + what + " data count");
for (int i = 0; i < data.length; i++) {
check(f.getValueAsString(i).equals(data[i]),
"invalid " + what + " data");
}
}
private void writeImage() throws Exception {
OutputStream s = new BufferedOutputStream(new FileOutputStream(FILENAME));
try (ImageOutputStream ios = ImageIO.createImageOutputStream(s)) {
ImageWriter writer = getTIFFWriter();
writer.setOutput(ios);
BufferedImage img = new BufferedImage(
SZ, SZ, BufferedImage.TYPE_INT_RGB);
Graphics g = img.getGraphics();
g.setColor(C);
g.fillRect(0, 0, SZ, SZ);
g.dispose();
IIOMetadata metadata = writer.getDefaultImageMetadata(
new ImageTypeSpecifier(img), writer.getDefaultWriteParam());
TIFFDirectory dir = TIFFDirectory.createFromMetadata(metadata);
addASCIIField(dir, "Copyright",
COPYRIGHT, BaselineTIFFTagSet.TAG_COPYRIGHT);
addASCIIField(dir, "ImageDescription",
DESCRIPTION, BaselineTIFFTagSet.TAG_IMAGE_DESCRIPTION);
addASCIIField(dir, "Software",
SOFTWARE, BaselineTIFFTagSet.TAG_SOFTWARE);
dir.addTIFFField(new TIFFField(
new TIFFTag("XResolution", BaselineTIFFTagSet.TAG_X_RESOLUTION,
1 << TIFFTag.TIFF_RATIONAL), TIFFTag.TIFF_RATIONAL, 1, RES_X));
dir.addTIFFField(new TIFFField(
new TIFFTag("YResolution", BaselineTIFFTagSet.TAG_Y_RESOLUTION,
1 << TIFFTag.TIFF_RATIONAL), TIFFTag.TIFF_RATIONAL, 1, RES_Y));
dir.addTIFFField(new TIFFField(
new TIFFTag("ICC Profile", BaselineTIFFTagSet.TAG_ICC_PROFILE,
1 << TIFFTag.TIFF_UNDEFINED),
TIFFTag.TIFF_UNDEFINED, ICC_PROFILE.length, ICC_PROFILE));
IIOMetadata data = dir.getAsMetadata();
writer.write(new IIOImage(img, null, data));
ios.flush();
writer.dispose();
}
s.close();
}
private void readAndCheckImage() throws Exception {
ImageReader reader = getTIFFReader();
ImageInputStream s = ImageIO.createImageInputStream(new File(FILENAME));
reader.setInput(s);
int ni = reader.getNumImages(true);
check(ni == 1, "invalid number of images");
// check image
BufferedImage img = reader.read(0);
check(img.getWidth() == SZ && img.getHeight() == SZ,
"invalid image size");
Color c = new Color(img.getRGB(SZ / 2, SZ / 2));
check(C.equals(c), "invalid image color");
IIOMetadata metadata = reader.readAll(0, null).getMetadata();
TIFFDirectory dir = TIFFDirectory.createFromMetadata(metadata);
reader.dispose();
s.close();
// ===== perform tag checks =====
checkASCIIField(dir, "copyright", COPYRIGHT,
BaselineTIFFTagSet.TAG_COPYRIGHT);
checkASCIIField(dir, "description", DESCRIPTION,
BaselineTIFFTagSet.TAG_IMAGE_DESCRIPTION);
checkASCIIField(dir, "software", SOFTWARE,
BaselineTIFFTagSet.TAG_SOFTWARE);
TIFFField f = dir.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_WIDTH);
check(f.getCount() == 1, "invalid width field count");
int w = f.getAsInt(0);
check(w == SZ, "invalid width");
f = dir.getTIFFField(BaselineTIFFTagSet.TAG_IMAGE_LENGTH);
check(f.getCount() == 1, "invalid height field count");
int h = f.getAsInt(0);
check(h == SZ, "invalid height");
f = dir.getTIFFField(BaselineTIFFTagSet.TAG_BITS_PER_SAMPLE);
// RGB: 3 x 8 bits for R, G and B components
int bps[] = f.getAsInts();
check((f.getCount() == 3) && (bps.length == 3), "invalid BPS count");
for (int b: bps) { check(b == 8, "invalid bits per sample"); }
// RGB: PhotometricInterpretation = 2
f = dir.getTIFFField(BaselineTIFFTagSet.TAG_PHOTOMETRIC_INTERPRETATION);
check(f.getCount() == 1, "invalid count");
check(f.getAsInt(0) == 2, "invalid photometric interpretation for RGB");
String rat = " resolution must be rational";
f = dir.getTIFFField(BaselineTIFFTagSet.TAG_X_RESOLUTION);
check(f.getType() == TIFFTag.TIFF_RATIONAL, "x" + rat);
check(f.getCount() == 1 &&
f.getAsInt(0) == (int) (RES_X[0][0] / RES_X[0][1]),
"invalid x resolution");
f = dir.getTIFFField(BaselineTIFFTagSet.TAG_Y_RESOLUTION);
check(f.getType() == TIFFTag.TIFF_RATIONAL, "y" + rat);
check(f.getCount() == 1 &&
f.getAsInt(0) == (int) (RES_Y[0][0] / RES_Y[0][1]),
"invalid y resolution");
f = dir.getTIFFField(BaselineTIFFTagSet.TAG_ICC_PROFILE);
check(f.getType() == TIFFTag.TIFF_UNDEFINED,
"invalid ICC profile field type");
int cnt = f.getCount();
byte icc[] = f.getAsBytes();
check((cnt == ICC_PROFILE.length) && (cnt == icc.length),
"invalid ICC profile");
for (int i = 0; i < cnt; i++) {
check(icc[i] == ICC_PROFILE[i], "invalid ICC profile");
}
}
public void run() {
try {
writeImage();
readAndCheckImage();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
private void check(boolean ok, String msg) {
if (!ok) { throw new RuntimeException(msg); }
}
public static void main(String[] args) {
(new TIFFDirectoryWriteReadTest()).run();
}
}