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ARGBPlane.java
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/*
* #%L
* SciJava Common shared library for SciJava software.
* %%
* Copyright (C) 2009 - 2023 SciJava developers.
* %%
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 HOLDERS 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.
* #L%
*/
package org.scijava.ui;
/**
* Represents a plane of ARGB pixel data. Useful for passing around data during
* copy/paste operations to external programs.
*
* @author Barry DeZonia
*/
public class ARGBPlane {
// -- instance variables --
private final int width;
private final int height;
private final int[] data;
// -- constructors --
public ARGBPlane(final int width, final int height, final int[] data) {
this.width = width;
this.height = height;
this.data = data;
if (width < 1 || height < 1) {
throw new IllegalArgumentException(
"Both width and height must be greater than zero");
}
if ((long) width * height > Integer.MAX_VALUE) {
throw new IllegalArgumentException("Plane is too large");
}
if (data.length != width * height) {
throw new IllegalArgumentException("Data size mismatch");
}
}
public ARGBPlane(final int width, final int height) {
this(width, height, new int[width * height]);
}
// -- public interface --
public int getWidth() {
return width;
}
public int getHeight() {
return height;
}
public int[] getData() {
return data;
}
public int getARGB(final int x, final int y) {
return data[index(x, y)];
}
public int getAlpha(final int x, final int y) {
return alpha(data[index(x, y)]);
}
public int getRed(final int x, final int y) {
return red(data[index(x, y)]);
}
public int getGreen(final int x, final int y) {
return green(data[index(x, y)]);
}
public int getBlue(final int x, final int y) {
return blue(data[index(x, y)]);
}
public void setARGB(final int x, final int y, final int argb) {
data[index(x, y)] = argb;
}
public void setAlpha(final int x, final int y, final int v) {
int argb = data[index(x, y)];
final int component = v & 0xff;
argb &= ~0xff000000;
argb |= (component << 24);
data[index(x, y)] = argb;
}
public void setRed(final int x, final int y, final int v) {
int argb = data[index(x, y)];
final int component = v & 0xff;
argb &= ~0xff0000;
argb |= (component << 16);
data[index(x, y)] = argb;
}
public void setGreen(final int x, final int y, final int v) {
int argb = data[index(x, y)];
final int component = v & 0xff;
argb &= ~0xff00;
argb |= (component << 8);
data[index(x, y)] = argb;
}
public void setBlue(final int x, final int y, final int v) {
int argb = data[index(x, y)];
final int component = v & 0xff;
argb &= ~0xff;
argb |= (component << 0);
data[index(x, y)] = argb;
}
// -- helpers --
private int index(final int x, final int y) {
return y * width + x;
}
private int alpha(final int argb) {
return (argb >> 24) & 0xff;
}
private int red(final int argb) {
return (argb >> 16) & 0xff;
}
private int green(final int argb) {
return (argb >> 8) & 0xff;
}
private int blue(final int argb) {
return (argb >> 0) & 0xff;
}
}