com.twelvemonkeys.imageio.plugins.psd.PSDImageReaderSpi Maven / Gradle / Ivy
/*
* Copyright (c) 2014, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.twelvemonkeys.imageio.plugins.psd;
import com.twelvemonkeys.imageio.spi.ImageReaderSpiBase;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import java.io.IOException;
import java.util.Locale;
/**
* PSDImageReaderSpi
*
* @author Harald Kuhr
* @author last modified by $Author: haraldk$
* @version $Id: PSDImageReaderSpi.java,v 1.0 Apr 29, 2008 4:49:03 PM haraldk Exp$
*/
final public class PSDImageReaderSpi extends ImageReaderSpiBase {
/**
* Creates a {@code PSDImageReaderSpi}.
*/
public PSDImageReaderSpi() {
super(new PSDProviderInfo());
}
public boolean canDecodeInput(final Object pSource) throws IOException {
if (!(pSource instanceof ImageInputStream)) {
return false;
}
ImageInputStream stream = (ImageInputStream) pSource;
stream.mark();
try {
if (stream.readInt() == PSD.SIGNATURE_8BPS) {
int version = stream.readUnsignedShort();
switch (version) {
case PSD.VERSION_PSD:
case PSD.VERSION_PSB:
break;
default:
return false;
}
return true;
}
return false;
}
finally {
stream.reset();
}
}
public ImageReader createReaderInstance(final Object pExtension) throws IOException {
return new PSDImageReader(this);
}
public String getDescription(final Locale pLocale) {
return "Adobe Photoshop Document (PSD) image reader";
}
}