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Copy pathXRColor.java
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135 lines (111 loc) · 3.78 KB
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/*
* Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.java2d.xr;
import java.awt.*;
/**
* XRender color class.
*
* @author Clemens Eisserer
*/
public class XRColor {
public static final XRColor FULL_ALPHA = new XRColor(0xffff, 0, 0, 0);
public static final XRColor NO_ALPHA = new XRColor(0, 0, 0, 0);
int red, green, blue, alpha;
public XRColor() {
red = 0;
green = 0;
blue = 0;
alpha = 0;
}
public XRColor(int alpha, int red, int green, int blue) {
this.alpha = alpha;
this.red = red;
this.green = green;
this.blue = blue;
}
public XRColor(Color color) {
setColorValues(color);
}
public void setColorValues(Color color) {
alpha = byteToXRColorValue(color.getAlpha());
red = byteToXRColorValue(
(int)(color.getRed() * color.getAlpha() / 255.0));
green = byteToXRColorValue(
(int)(color.getGreen() * color.getAlpha() / 255.0));
blue = byteToXRColorValue(
(int)(color.getBlue() * color.getAlpha() / 255.0));
}
public static int[] ARGBPrePixelToXRColors(int[] pixels) {
int[] colorValues = new int[pixels.length * 4];
XRColor c = new XRColor();
for (int i = 0; i < pixels.length; i++) {
c.setColorValues(pixels[i]);
colorValues[i * 4 + 0] = c.alpha;
colorValues[i * 4 + 1] = c.red;
colorValues[i * 4 + 2] = c.green;
colorValues[i * 4 + 3] = c.blue;
}
return colorValues;
}
public void setColorValues(int pixel) {
long pix = XRUtils.intToULong(pixel);
alpha = (int) (((pix & 0xFF000000) >> 16) + 255);
red = (int) (((pix & 0x00FF0000) >> 8) + 255);
green = (int) (((pix & 0x0000FF00) >> 0) + 255);
blue = (int) (((pix & 0x000000FF) << 8) + 255);
if (alpha == 255) {
alpha = 0;
}
}
public static int byteToXRColorValue(int byteValue) {
int xrValue = 0;
if (byteValue != 0) {
if (byteValue == 255) {
xrValue = 0xffff;
} else {
xrValue = ((byteValue << 8) + 255);
}
}
return xrValue;
}
public String toString(){
return "A:"+alpha+" R:"+red+" G:"+green+" B:"+blue;
}
public void setAlpha(int alpha) {
this.alpha = alpha;
}
public int getAlpha() {
return alpha;
}
public int getRed() {
return red;
}
public int getGreen() {
return green;
}
public int getBlue() {
return blue;
}
}