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StringGradientJava Source:
// Written By Bavo Bruylandt
// Http://javadesign.web.com
// This source is for reference only.
// Do not modify it for distribution.
// Thanks ;)
// Sorry for the mess with all those components.
import java.io.*;
import java.lang.*;
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class GradientPanel extends Applet implements ActionListener, ItemListener{
Button Prepaint = new Button("Calculate");
TextField Ptext=new TextField("JavaBoutique",30);
TextField Pcyclecolor=new TextField("red",10);
TextField Pcyclespeed=new TextField("10",10);
TextField Pfontred=new TextField("0",10);
TextField Pfontblue=new TextField("0",10);
TextField Pfontgreen=new TextField("0",10);
TextField Pfontsize =new TextField("30",10);
TextField Pbgred=new TextField("100",10);
TextField Pbggreen=new TextField("100",10);
TextField Pbgblue=new TextField("100",10);
CheckboxGroup mv=new CheckboxGroup();
Checkbox Pred=new Checkbox("Red", mv,false);
Checkbox Pgreen=new Checkbox("Green", mv,true);
Checkbox Pblue=new Checkbox("Blue", mv,false);
Checkbox Pall=new Checkbox("All", mv,false);
Checkbox Pupsidedown=new Checkbox("Reverse",false);
Label Pistring = new Label("String");
Label Pisize = new Label("Fontsize");
Label Pistrength = new Label("Strength");
Label Pirgb = new Label("StartColor of Gradient (Red,Green,Blue)");
Label Pibgrgb = new Label("Bgcolor of String (Red,Green,Blue)");
String text;
int a=0;
int pixely=10;
int fontsize;
Color kleur;
Color bgkleur;
boolean upsidedown = false;
int blue;
int green;
int red;
int bgblue;
String cyclecolor;
int bggreen;
int bgred;
int cyclespeed;
int fontwidth = 0;
public void init() {
Color bgboxes= new Color(100,100,100);
setBackground(Color.yellow);
setLayout(null);
Ptext.setBounds(30,100,60,20);
Pfontsize.setBounds(120,100,60,20);
Pcyclespeed.setBounds(200,100,60,20);
Pbgred.setBounds(30,150,60,20);
Pbggreen.setBounds(120,150,60,20);
Pbgblue.setBounds(200,150,60,20);
Pfontred.setBounds(30,200,60,20);
Pfontgreen.setBounds(120,200,60,20);
Pfontblue.setBounds(200,200,60,20);
Pupsidedown.setBounds(30,250,80,20);
Prepaint.setBounds(120,250,140,30);
Pred.setBounds(30,300,60,20);
Pblue.setBounds(120,300,60,20);
Pgreen.setBounds(200,300,60,20);
Pistring.setBounds(30,80,60,15);
Pisize.setBounds(120,80,60,15);
Pistrength.setBounds(200,80,60,15);
Pirgb.setBounds(30,180,230,15);
Pibgrgb.setBounds(30,130,230,15);
Pblue.setBackground(bgboxes);
Pred.setBackground(bgboxes);
Pgreen.setBackground(bgboxes);
Ptext.setBackground(Color.white);
Pfontsize.setBackground(Color.white);
Pcyclespeed.setBackground(Color.white);
Pbgred.setBackground(Color.white);
Pbggreen.setBackground(Color.white);
Pbgblue.setBackground(Color.white);
Pfontred.setBackground(Color.white);
Pfontgreen.setBackground(Color.white);
Pfontblue.setBackground(Color.white);
Pupsidedown.setBackground(bgboxes);
Prepaint.setBounds(120,250,140,30);
add(Pistring);
add(Pibgrgb);
add(Pisize);
add(Pistrength);
add(Pirgb);
add(Pred);
add(Pgreen);
add(Pblue);
add(Ptext);
add(Pfontsize);
add(Pcyclespeed);
add(Pbgred);
add(Pbggreen);
add(Pbgblue);
add(Pfontred);
add(Pfontgreen);
add(Pfontblue);
add(Ptext);
add(Pupsidedown);
add(Prepaint);
Prepaint.addActionListener(this);
Pfontblue.addActionListener(this);
Pfontred.addActionListener(this);
Pfontgreen.addActionListener(this);
Pred.addItemListener(this);
Pgreen.addItemListener(this);
Pblue.addItemListener(this);
Pupsidedown.addItemListener(this);
}
public void paint(Graphics g) {
cyclecolor = Pcyclecolor.getText();
if (Pred.getState()) cyclecolor = "red";
if (Pgreen.getState()) cyclecolor = "green";
if (Pblue.getState()) cyclecolor = "blue";
text = Ptext.getText();
cyclespeed = Integer.parseInt(Pcyclespeed.getText());
fontsize = Integer.parseInt(Pfontsize.getText());
red = Integer.parseInt(Pfontred.getText());
green = Integer.parseInt(Pfontgreen.getText());
blue = Integer.parseInt(Pfontblue.getText());
kleur = new Color(red,green,blue);
bgred = Integer.parseInt(Pbgred.getText());
bggreen = Integer.parseInt(Pbggreen.getText());
bgblue = Integer.parseInt(Pbgblue.getText());
bgkleur = new Color(bgred,bggreen,bgblue);
if (Pupsidedown.getState()) upsidedown = true;
else upsidedown = false;
Image [] line = new Image [fontsize+fontsize/2];
Graphics [] lineGraph = new Graphics [fontsize+fontsize/2];
Font nl = new Font("Impact", Font.PLAIN, fontsize);
FontMetrics fontmetrics = getFontMetrics(nl);
fontwidth = fontmetrics.stringWidth(text);
for (int w=0;w<fontsize+fontsize/2;w++) {
line[w] = createImage(fontwidth+30,1);
lineGraph[w] = line[w].getGraphics();
if (cyclecolor.equals("red")) {
red+=cyclespeed;
if (red >255)red=0;
}
else if (cyclecolor.equals("green")) {
green+=cyclespeed;
if (green >255)green=0;
}
else if (cyclecolor.equals("blue")) {
blue+=cyclespeed;
if (blue >255)blue=0;
}
else if (cyclecolor.equals("all")) {
blue+=cyclespeed;
red+=cyclespeed;
green+=cyclespeed;
if (blue >255)blue=0;
if (red >255)red=0;
if (green >255)green=0;
}
kleur = new Color(red,green,blue);
lineGraph[w].setColor(kleur);
setBackground(bgkleur);
lineGraph[w].setFont(nl);
}
if (upsidedown) {
for (int w=0;w<fontsize+fontsize/2-1;w++) {
lineGraph[w].drawString(text,20,a);
g.drawImage(line[w],20,pixely+20,this);
a+=1;
pixely++;
}
}
else {
for (int w=0;w<fontsize+fontsize/2-1;w++) {
lineGraph[w].drawString(text,20,a);
g.drawImage(line[fontsize+fontsize/2-1-w],20,pixely-fontsize+20,this);
a+=1;
pixely++;
}
}
a=0;
pixely=10;
}
public void actionPerformed (ActionEvent act) {
repaint();
}
public void itemStateChanged (ItemEvent ievt) {
repaint();
}
}
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