/*
* Copyright 2002-2013 Drew Noakes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* More information about this project is available at:
*
* http://drewnoakes.com/code/exif/
* http://code.google.com/p/metadata-extractor/
*/
package com.drew.metadata.photoshop;
import com.drew.lang.RandomAccessFileReader;
import com.drew.lang.annotations.NotNull;
import com.drew.metadata.Metadata;
import org.junit.Test;
import java.io.File;
import java.io.RandomAccessFile;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* @author Drew Noakes http://drewnoakes.com
*/
public class PsdReaderTest
{
@NotNull
public static PsdHeaderDirectory processBytes(@NotNull String file) throws Exception
{
Metadata metadata = new Metadata();
RandomAccessFile randomAccessFile = new RandomAccessFile(new File(file), "r");
new PsdReader().extract(new RandomAccessFileReader(randomAccessFile), metadata);
randomAccessFile.close();
PsdHeaderDirectory directory = metadata.getDirectory(PsdHeaderDirectory.class);
assertNotNull(directory);
return directory;
}
@Test
public void test8x8x8bitGrayscale() throws Exception
{
PsdHeaderDirectory directory = processBytes("Tests/Data/8x4x8bit-Grayscale.psd");
assertEquals(8, directory.getInt(PsdHeaderDirectory.TAG_IMAGE_WIDTH));
assertEquals(4, directory.getInt(PsdHeaderDirectory.TAG_IMAGE_HEIGHT));
assertEquals(8, directory.getInt(PsdHeaderDirectory.TAG_BITS_PER_CHANNEL));
assertEquals(1, directory.getInt(PsdHeaderDirectory.TAG_CHANNEL_COUNT));
assertEquals(1, directory.getInt(PsdHeaderDirectory.TAG_COLOR_MODE)); // 1 = grayscale
}
@Test
public void test10x12x16bitCMYK() throws Exception
{
PsdHeaderDirectory directory = processBytes("Tests/Data/10x12x16bit-CMYK.psd");
assertEquals(10, directory.getInt(PsdHeaderDirectory.TAG_IMAGE_WIDTH));
assertEquals(12, directory.getInt(PsdHeaderDirectory.TAG_IMAGE_HEIGHT));
assertEquals(16, directory.getInt(PsdHeaderDirectory.TAG_BITS_PER_CHANNEL));
assertEquals(4, directory.getInt(PsdHeaderDirectory.TAG_CHANNEL_COUNT));
assertEquals(4, directory.getInt(PsdHeaderDirectory.TAG_COLOR_MODE)); // 4 = CMYK
}
}