/*
* Created on Jun 30, 2006 6:22:44 PM
* Copyright (C) 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package com.aelitis.azureus.ui.swt.utils;
import java.util.*;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Device;
import org.eclipse.swt.graphics.RGB;
import org.gudy.azureus2.core3.logging.LogAlert;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
/**
* @author TuxPaper
* @created Jun 30, 2006
*
*/
public class ColorCache
{
private final static boolean DEBUG = Constants.isCVSVersion();
private final static Map<Long, Color> mapColors = new HashMap<Long, Color>();
private final static int SYSTEMCOLOR_INDEXSTART = 17;
private final static String[] systemColorNames = {
"COLOR_WIDGET_DARK_SHADOW",
"COLOR_WIDGET_NORMAL_SHADOW",
"COLOR_WIDGET_LIGHT_SHADOW",
"COLOR_WIDGET_HIGHLIGHT_SHADOW",
"COLOR_WIDGET_FOREGROUND",
"COLOR_WIDGET_BACKGROUND",
"COLOR_WIDGET_BORDER",
"COLOR_LIST_FOREGROUND",
"COLOR_LIST_BACKGROUND",
"COLOR_LIST_SELECTION",
"COLOR_LIST_SELECTION_TEXT",
"COLOR_INFO_FOREGROUND",
"COLOR_INFO_BACKGROUND",
"COLOR_TITLE_FOREGROUND",
"COLOR_TITLE_BACKGROUND",
};
static {
AEDiagnostics.addEvidenceGenerator(new AEDiagnosticsEvidenceGenerator() {
public void generate(IndentWriter writer) {
writer.println("Colors:");
writer.indent();
writer.println("# cached: " + mapColors.size());
writer.exdent();
}
});
}
public static Color getSchemedColor(Device device, int red, int green, int blue) {
ensureMapColorsInitialized(device);
Long key = new Long(((long) red << 16) + (green << 8) + blue + 0x1000000l);
Color color = mapColors.get(key);
if (color == null || color.isDisposed()) {
try {
if (red < 0) {
red = 0;
} else if (red > 255) {
red = 255;
}
if (green < 0) {
green = 0;
} else if (green > 255) {
green = 255;
}
if (blue < 0) {
blue = 0;
} else if (blue > 255) {
blue = 255;
}
RGB rgb = new RGB(red, green, blue);
float[] hsb = rgb.getHSB();
hsb[0] += Colors.diffHue;
if (hsb[0] > 360) {
hsb[0] -= 360;
} else if (hsb[0] < 0) {
hsb[0] += 360;
}
hsb[1] *= Colors.diffSatPct;
//hsb[2] *= Colors.diffLumPct;
color = getColor(device, hsb);
mapColors.put(key, color);
} catch (IllegalArgumentException e) {
Debug.out("One Invalid: " + red + ";" + green + ";" + blue, e);
}
}
return color;
}
public static Color getColor(Device device, int red, int green, int blue) {
if (device == null || device.isDisposed()) {
return null;
}
ensureMapColorsInitialized(device);
Long key = new Long(((long) red << 16) + (green << 8) + blue);
Color color = mapColors.get(key);
if (color == null || color.isDisposed()) {
try {
if (red < 0) {
red = 0;
} else if (red > 255) {
red = 255;
}
if (green < 0) {
green = 0;
} else if (green > 255) {
green = 255;
}
if (blue < 0) {
blue = 0;
} else if (blue > 255) {
blue = 255;
}
color = new Color(device, red, green, blue);
} catch (IllegalArgumentException e) {
Debug.out("One Invalid: " + red + ";" + green + ";" + blue, e);
}
addColor(key, color);
}
return color;
}
private static void ensureMapColorsInitialized(Device device) {
if (device == null || device.isDisposed()) {
return;
}
if (mapColors.size() == 0) {
for (int i = 1; i <= 16; i++) {
Color color = device.getSystemColor(i);
Long key = new Long(((long) color.getRed() << 16)
+ (color.getGreen() << 8) + color.getBlue());
addColor(key, color);
}
if (DEBUG) {
SimpleTimer.addPeriodicEvent("ColorCacheChecker", 60000,
new TimerEventPerformer() {
public void perform(TimerEvent event) {
Utils.execSWTThread(new AERunnable() {
public void runSupport() {
for (Iterator<Long> iter = mapColors.keySet().iterator(); iter.hasNext();) {
Long key = iter.next();
Color color = mapColors.get(key);
if (color.isDisposed()) {
Logger.log(new LogAlert(false, LogAlert.AT_ERROR,
"Someone disposed of color "
+ Long.toHexString(key.longValue())
+ ". Please report this on the "
+ "<A HREF=\"http://forum.vuze.com/forum.jspa?forumID=124\">forum</A>"));
iter.remove();
}
}
}
});
}
});
}
}
}
public static Color getColor(Device device, String value) {
return getColor(device, value, false);
}
public static Color getSchemedColor(Device device, String value) {
return getColor(device, value, true);
}
private static Color getColor(Device device, String value, boolean useScheme) {
int[] colors = new int[3];
if (value == null || value.length() == 0) {
return null;
}
try {
if (value.charAt(0) == '#') {
// hex color string
long l = Long.parseLong(value.substring(1), 16);
colors[0] = (int) ((l >> 16) & 255);
colors[1] = (int) ((l >> 8) & 255);
colors[2] = (int) (l & 255);
} else if (value.indexOf(',') > 0) {
StringTokenizer st = new StringTokenizer(value, ",");
colors[0] = Integer.parseInt(st.nextToken());
colors[1] = Integer.parseInt(st.nextToken());
colors[2] = Integer.parseInt(st.nextToken());
} else {
value = value.toUpperCase();
if (value.startsWith("COLOR_")) {
for (int i = 0; i < systemColorNames.length; i++) {
String name = systemColorNames[i];
if (name.equals(value) && device != null && !device.isDisposed()) {
return device.getSystemColor(i + SYSTEMCOLOR_INDEXSTART);
}
}
} else if (value.startsWith("BLUE.FADED.")) {
int idx = Integer.parseInt(value.substring(11));
return Colors.faded[idx];
} else if (value.startsWith("BLUE.")) {
int idx = Integer.parseInt(value.substring(5));
return Colors.blues[idx];
} else if (value.equals("ALTROW")) {
return Colors.colorAltRow;
}
return null;
}
} catch (Exception e) {
Debug.out(value, e);
return null;
}
if (!useScheme) {
return getColor(device, colors[0], colors[1], colors[2]);
}
return getSchemedColor(device, colors[0], colors[1], colors[2]);
}
private static void addColor(Long key, Color color) {
mapColors.put(key, color);
}
/**
* @param device
* @param color
* @return
*
* @since 3.0.4.3
*/
public static Color getColor(Device device, int[] rgb) {
if (rgb == null || rgb.length < 3) {
return null;
}
return getColor(device, rgb[0], rgb[1], rgb[2]);
}
public static Color getRandomColor() {
if (mapColors.size() == 0) {
return Colors.black;
}
int r = (int) (Math.random() * mapColors.size());
return (Color) mapColors.values().toArray()[r];
}
/**
* @param display
* @param hsb
* @return
*
* @since 3.1.1.1
*/
public static Color getColor(Device device, float[] hsb) {
if (hsb[0] < 0) {
hsb[0] = 0;
} else if (hsb[0] > 360) {
hsb[0] = 360;
}
if (hsb[1] < 0) {
hsb[1] = 0;
} else if (hsb[1] > 1) {
hsb[1] = 1;
}
if (hsb[2] < 0) {
hsb[2] = 0;
} else if (hsb[2] > 1) {
hsb[2] = 1;
}
RGB rgb = new RGB(hsb[0], hsb[1], hsb[2]);
return getColor(device, rgb.red, rgb.green, rgb.blue);
}
/**
* @param device
* @param rgb
* @return
*
* @since 3.1.1.1
*/
public static Color getColor(Device device, RGB rgb) {
return getColor(device, rgb.red, rgb.green, rgb.blue);
}
}