/*
* 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 "TwelveMonkeys" 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 OWNER 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 javax.imageio.stream.ImageInputStream;
import java.io.IOException;
/**
* PSDGlobalLayerMask
*
* @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
* @author last modified by $Author: haraldk$
* @version $Id: PSDGlobalLayerMask.java,v 1.0 May 8, 2008 5:33:48 PM haraldk Exp$
*/
final class PSDGlobalLayerMask {
final int colorSpace;
final short[] colors = new short[4];
final int opacity;
final int kind;
PSDGlobalLayerMask(final ImageInputStream pInput, final long globalLayerMaskLength) throws IOException {
colorSpace = pInput.readUnsignedShort(); // Undocumented
pInput.readFully(colors, 0, colors.length);
opacity = pInput.readUnsignedShort(); // 0-100
// Kind: 0: Selected (ie inverted), 1: Color protected, 128: Use value stored per layer (actually, the value is 80, not 0x80)
kind = pInput.readUnsignedByte();
// Skip "Variable: Filler zeros"
pInput.skipBytes(globalLayerMaskLength - 17);
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder(getClass().getSimpleName());
builder.append("[");
builder.append("color space: 0x").append(Integer.toHexString(colorSpace));
builder.append(", colors: [");
for (int i = 0; i < colors.length; i++) {
if (i > 0) {
builder.append(", ");
}
builder.append("0x").append(Integer.toHexString(colors[i]));
}
builder.append("], opacity: ").append(opacity);
builder.append(", kind: ").append(kind);
builder.append("]");
return builder.toString();
}
}