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package ij.plugin;
import ij.*;
import ij.gui.*;
import ij.process.*;
import ij.io.*;
import ij.plugin.filter.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
/** This plugin implements most of the Edit/Options/Colors command. */
public class Colors implements PlugIn, ItemListener {
public static final String[] colors = {"red","green","blue","magenta","cyan","yellow","orange","black","white","gray"};
private static final String[] colors2 = {"Red","Green","Blue","Magenta","Cyan","Yellow","Orange","Black","White","Gray"};
private Choice fchoice, bchoice, schoice;
private Color fc2, bc2, sc2;
public void run(String arg) {
showDialog();
}
void showDialog() {
Color fc =Toolbar.getForegroundColor();
String fname = getColorName(fc, "black");
Color bc =Toolbar.getBackgroundColor();
String bname = getColorName(bc, "white");
Color sc =Roi.getColor();
String sname = getColorName(sc, "yellow");
GenericDialog gd = new GenericDialog("Colors");
gd.addChoice("Foreground:", colors, fname);
gd.addChoice("Background:", colors, bname);
gd.addChoice("Selection:", colors, sname);
Vector choices = gd.getChoices();
if (choices!=null) {
fchoice = (Choice)choices.elementAt(0);
bchoice = (Choice)choices.elementAt(1);
schoice = (Choice)choices.elementAt(2);
fchoice.addItemListener(this);
bchoice.addItemListener(this);
schoice.addItemListener(this);
}
gd.showDialog();
if (gd.wasCanceled()) {
if (fc2!=fc) Toolbar.setForegroundColor(fc);
if (bc2!=bc) Toolbar.setBackgroundColor(bc);
if (sc2!=sc) {
Roi.setColor(sc);
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null && imp.getRoi()!=null) imp.draw();
}
return;
}
fname = gd.getNextChoice();
bname = gd.getNextChoice();
sname = gd.getNextChoice();
fc2 = getColor(fname, Color.black);
bc2 = getColor(bname, Color.white);
sc2 = getColor(sname, Color.yellow);
if (fc2!=fc) Toolbar.setForegroundColor(fc2);
if (bc2!=bc) Toolbar.setBackgroundColor(bc2);
if (sc2!=sc) {
Roi.setColor(sc2);
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null) imp.draw();
Toolbar.getInstance().repaint();
}
}
public static String getColorName(Color c, String defaultName) {
if (c==null) return defaultName;
String name = defaultName;
if (name!=null && name.length()>0 && Character.isUpperCase(name.charAt(0))) {
if (c.equals(Color.red)) name = colors2[0];
else if (c.equals(Color.green)) name = colors2[1];
else if (c.equals(Color.blue)) name = colors2[2];
else if (c.equals(Color.magenta)) name = colors2[3];
else if (c.equals(Color.cyan)) name = colors2[4];
else if (c.equals(Color.yellow)) name = colors2[5];
else if (c.equals(Color.orange)) name = colors2[6];
else if (c.equals(Color.black)) name = colors2[7];
else if (c.equals(Color.white)) name = colors2[8];
else if (c.equals(Color.gray)) name = colors2[9];
} else {
if (c.equals(Color.red)) name = colors[0];
else if (c.equals(Color.green)) name = colors[1];
else if (c.equals(Color.blue)) name = colors[2];
else if (c.equals(Color.magenta)) name = colors[3];
else if (c.equals(Color.cyan)) name = colors[4];
else if (c.equals(Color.yellow)) name = colors[5];
else if (c.equals(Color.orange)) name = colors[6];
else if (c.equals(Color.black)) name = colors[7];
else if (c.equals(Color.white)) name = colors[8];
else if (c.equals(Color.gray)) name = colors[9];
}
return name;
}
public static Color getColor(String name, Color defaultColor) {
if (name==null) return defaultColor;
name = name.toLowerCase(Locale.US);
Color c = defaultColor;
if (name.contains(colors[7])) c = Color.black;
else if (name.contains(colors[8])) c = Color.white;
else if (name.contains(colors[0])) c = Color.red;
else if (name.contains(colors[2])) c = Color.blue;
else if (name.contains(colors[5])) c = Color.yellow;
else if (name.contains(colors[1])) c = Color.green;
else if (name.contains(colors[3])) c = Color.magenta;
else if (name.contains(colors[4])) c = Color.cyan;
else if (name.contains(colors[6])) c = Color.orange;
else if (name.contains(colors[9])) c = Color.gray;
return c;
}
public static Color decode(String hexColor, Color defaultColor) {
Color color = getColor(hexColor, null);
if (color==null) {
if (hexColor.startsWith("#"))
hexColor = hexColor.substring(1);
int len = hexColor.length();
if (!(len==6 || len==8))
return defaultColor;
float alpha = len==8?parseHex(hexColor.substring(0,2)):1f;
if (len==8)
hexColor = hexColor.substring(2);
float red = parseHex(hexColor.substring(0,2));
float green = parseHex(hexColor.substring(2,4));
float blue = parseHex(hexColor.substring(4,6));
color = new Color(red, green, blue, alpha);
}
return color;
}
public static int getRed(String hexColor) {
return decode(hexColor, Color.black).getRed();
}
public static int getGreen(String hexColor) {
return decode(hexColor, Color.black).getGreen();
}
public static int getBlue(String hexColor) {
return decode(hexColor, Color.black).getBlue();
}
/** Converts a hex color (e.g., "ffff00") into "red", "green", "yellow", etc.
Returns null if the color is not one of the eight primary colors. */
public static String hexToColor(String hex) {
if (hex==null) return null;
if (hex.startsWith("#"))
hex = hex.substring(1);
String color = null;
if (hex.equals("ff0000")) color = "red";
else if (hex.equals("00ff00")) color = "green";
else if (hex.equals("0000ff")) color = "blue";
else if (hex.equals("000000")) color = "black";
else if (hex.equals("ffffff")) color = "white";
else if (hex.equals("ffff00")) color = "yellow";
else if (hex.equals("00ffff")) color = "cyan";
else if (hex.equals("ff00ff")) color = "magenta";
else if (hex.equals("ffc800")) color = "orange";
else if (hex.equals("808080")) color = "gray";
return color;
}
/** Converts a hex color (e.g., "ffff00") into "Red", "Green", "Yellow", etc.
Returns null if the color is not one of the eight primary colors. */
public static String hexToColor2(String hex) {
if (hex==null) return null;
if (hex.startsWith("#"))
hex = hex.substring(1);
String color = null;
if (hex.equals("ff0000")) color = "Red";
else if (hex.equals("00ff00")) color = "Green";
else if (hex.equals("0000ff")) color = "Blue";
else if (hex.equals("000000")) color = "Black";
else if (hex.equals("ffffff")) color = "White";
else if (hex.equals("ffff00")) color = "Yellow";
else if (hex.equals("00ffff")) color = "Cyan";
else if (hex.equals("ff00ff")) color = "Magenta";
else if (hex.equals("ffc800")) color = "Orange";
else if (hex.equals("808080")) color = "Gray";
return color;
}
/** Converts a Color into a string ("red", "green", #aa55ff, etc.). */
public static String colorToString(Color color) {
String str = color!=null?"#"+Integer.toHexString(color.getRGB()):"none";
if (str.length()==9 && str.startsWith("#ff"))
str = "#"+str.substring(3);
String str2 = hexToColor(str);
return str2!=null?str2:str;
}
/** Converts a Color into a string ("Red", "Green", #aa55ff, etc.). */
public static String colorToString2(Color color) {
String str = color!=null?"#"+Integer.toHexString(color.getRGB()):"None";
if (str.length()==9 && str.startsWith("#ff"))
str = "#"+str.substring(3);
String str2 = hexToColor2(str);
return str2!=null?str2:str;
}
private static float parseHex(String hex) {
float value = 0f;
try {value=Integer.parseInt(hex,16);}
catch(Exception e) { }
return value/255f;
}
public void itemStateChanged(ItemEvent e) {
Choice choice = (Choice)e.getSource();
String item = choice.getSelectedItem();
Color color = getColor(item, Color.black);
if (choice==fchoice)
Toolbar.setForegroundColor(color);
else if (choice==bchoice)
Toolbar.setBackgroundColor(color);
else if (choice==schoice) {
Roi.setColor(color);
ImagePlus imp = WindowManager.getCurrentImage();
if (imp!=null && imp.getRoi()!=null) imp.draw();
Toolbar.getInstance().repaint();
}
}
public static String[] getColors(String... moreColors) {
ArrayList names = new ArrayList();
for (String arg: moreColors) {
if (arg!=null && arg.length()>0 && (!Character.isLetter(arg.charAt(0))||arg.equals("None")))
names.add(arg);
}
for (String arg: colors2)
names.add(arg);
return (String[])names.toArray(new String[names.size()]);
}
}
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