| /* |
| * Copyright (c) 2010, 2013, 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], true); |
| 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, boolean pre) { |
| 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; |
| } |
| |
| if (!pre) { |
| double alphaMult = XRUtils.XFixedToDouble(alpha); |
| this.red = (int) (red * alphaMult); |
| this.green = (int) (green * alphaMult); |
| this.blue = (int) (blue * alphaMult); |
| } |
| } |
| |
| 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; |
| } |
| } |