Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright (c) 2017, 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.tiff;
import com.twelvemonkeys.lang.Validate;
import java.awt.*;
import java.awt.color.ColorSpace;
import java.awt.image.ComponentColorModel;
import java.awt.image.ComponentSampleModel;
import java.awt.image.SampleModel;
import java.awt.image.WritableRaster;
import static java.awt.image.DataBuffer.getDataTypeSize;
/**
* ExtraSamplesColorModel.
*
* @author Harald Kuhr
* @author last modified by $Author: harald.kuhr$
* @version $Id: ExtraSamplesColorModel.java,v 1.0 19/11/2017 harald.kuhr Exp$
*/
final class ExtraSamplesColorModel extends ComponentColorModel {
// NOTE: This field shadows the package protected field in the super class.
// This is just enough to get us past a few tricky situations, but the super class
// still thinks it has numComponents == cs.getNumComponents() + 1 for most operations
private final int numComponents;
private final int componentSize;
ExtraSamplesColorModel(ColorSpace cs, boolean hasAlpha, boolean isAlphaPremultiplied, int dataType, int extraComponents) {
super(cs, hasAlpha, isAlphaPremultiplied, Transparency.TRANSLUCENT, dataType);
Validate.isTrue(extraComponents > 0, "Extra components must be > 0");
this.numComponents = cs.getNumComponents() + (hasAlpha ? 1 : 0) + extraComponents;
this.componentSize = getDataTypeSize(dataType);
}
@Override
public int getNumComponents() {
return numComponents;
}
@Override
public int getComponentSize(int componentIdx) {
return componentSize;
}
@Override
public boolean isCompatibleSampleModel(SampleModel sm) {
if (!(sm instanceof ComponentSampleModel)) {
return false;
}
// Must have the same number of components
return numComponents == sm.getNumBands() && transferType == sm.getTransferType();
}
@Override
public WritableRaster getAlphaRaster(WritableRaster raster) {
if (!hasAlpha()) {
return null;
}
int x = raster.getMinX();
int y = raster.getMinY();
int[] band = new int[] {getAlphaComponent()};
return raster.createWritableChild(x, y, raster.getWidth(), raster.getHeight(), x, y, band);
}
private int getAlphaComponent() {
return super.getNumComponents() - 1;
}
}