text color
design of the background and text colors for
HTML pages. Provides an easy interface for selecting the colors and
to In my HTML document . so i can't able to getting text colors...
please help me
import java.awt.*;
class Selector extends Panel
{
ColorChooser app;
Label laCol = new Label();
Scrollbar sbCol = new Scrollbar(Scrollbar.HORIZONTAL, 255, 8, 0, 255);
TextField tfDec = new TextField("255", 3);
TextField tfHex = new TextField("FF", 2);
Selector(ColorChooser ap, String label, Color col)
{
app = ap;
laCol.setText(label);
GridBagLayout gbLay = new GridBagLayout();
GridBagConstraints gbCon = new GridBagConstraints();
setLayout(gbLay);
gbCon.anchor = GridBagConstraints.WEST;
gbCon.gridwidth = GridBagConstraints.REMAINDER;
gbCon.weightx = 1.0;
gbLay.setConstraints(laCol, gbCon);
add(laCol);
gbCon.fill = GridBagConstraints.BOTH;
gbCon.gridwidth = 1;
gbLay.setConstraints(sbCol, gbCon);
sbCol.setBackground(col);
add(sbCol);
gbCon.fill = GridBagConstraints.NONE;
gbCon.insets = new Insets(5, 5, 5, 5);
gbCon.weightx = 0.0;
gbLay.setConstraints(tfHex, gbCon);
add(tfHex);
gbLay.setConstraints(tfDec, gbCon);
add(tfDec);
setBackground(Color.lightGray);
}
public boolean handleEvent(Event ev)
{
if (ev.target == sbCol)
{
int val = sbCol.getValue();
if (ev.id == Event.MOUSE_MOVE ||
ev.id == Event.MOUSE_ENTER ||
ev.id == Event.MOUSE_EXIT)
return true;
tfHex.setText(app.convHex(val));
tfDec.setText(Integer.toString(val));
return true;
}
else
return super.handleEvent(ev);
}
public boolean action(Event ev, Object ob)
{
try
{
int value = Integer.parseInt((String)ob,
(ev.target == tfDec)? 10 : 16);
if (value >= 0 && value <= 255)
sbCol.setValue(value);
}
catch (NumberFormatException e)
{
}
return postEvent(new Event(sbCol, Event.SCROLL_ABSOLUTE, null));
}
void setValue(int value)
{
sbCol.setValue(value);
postEvent(new Event(sbCol, Event.SCROLL_ABSOLUTE, null));
}
}
interface CommonVars
{
static int BGCOLOR = 0;
static int TEXT = 1;
static int LINK = 2;
static int VLINK = 3;
static int ALINK = 4;
static int RED = 0;
static int GREEN = 1;
static int BLUE = 2;
}
class Example extends Panel implements CommonVars
{
ColorChooser app;
Color[] colArr = new Color[5];
String[] msg = {"" , "This is an example of normal text",
"This is a new hyperlink",
"This is a visited hyperlink",
"This is an active hyperlink"};
public void paint(Graphics g)
{
int index;
for (index = BGCOLOR ; index <= ALINK ; index++)
colArr[index] = new Color(app.colors[index][RED],
app.colors[index][GREEN],
app.colors[index][BLUE]);
Font font = new Font("TimesRoman", Font.PLAIN, 20);
FontMetrics fm = g.getFontMetrics(font);
int fnHeight = fm.getHeight();
Dimension dim = size();
g.setColor(colArr[BGCOLOR]);
g.fillRect(0, 0, dim.width, dim.height);
if (app.img != null && app.cbCol.getState())
{
int imWidth = app.img.getWidth();
int imHeight = app.img.getHeight();
if (imWidth > 0 && imHeight > 0)
for (int x = 0 ; x < dim.width ; x += imWidth)
for (int y = 0 ; y < dim.height ;
y += imHeight)
g.drawImage(app.img, x,y, this);
else
g.drawImage(app.img, 0, 0, this);
}
g.setFont(font);
for (index = TEXT ; index <= ALINK ; index++)
{
g.setColor(colArr[index]);
g.drawString(msg[index],
(dim.width - fm.stringWidth(msg[index]))
/ 2,
index * ((dim.height - 4 * fnHeight) / 5
+ fnHeight));
}
}
}
public class ColorChooser extends java.applet.Applet implements CommonVars
{
Label laOpt = new Label("ColorChooser 1.1");
Choice chTyp = new Choice();
Selector[] selArr = new Selector[3];
Checkbox cbCol = new Checkbox("Background URL:");
TextField tfImg = new TextField(80);
TextArea taTag = new TextArea(3, 50);
Example paExa = new Example(this);
int[][] colors = {{255,255,255},{0,0,0},{255,0,0},{255,184,115},{200,200,200}};
int actual = BGCOLOR;
Image img = null;
public void init()
{
taTag.setEditable(false);
selArr[RED] = new Selector(this, "Red:", Color.red);
selArr[GREEN] = new Selector(this, "Green:", Color.green);
selArr[BLUE] = new Selector(this, "Blue:", Color.blue);
chTyp.addItem("Background color");
chTyp.addItem("Normal text color");
chTyp.addItem("Hyperlink color");
chTyp.addItem("Visited hyperlink color");
chTyp.addItem("Active hyperlink color");
GridBagLayout gbLay = new GridBagLayout();
GridBagConstraints gbCon = new GridBagConstraints();
setLayout(gbLay);
gbCon.fill = GridBagConstraints.BOTH;
gbLay.setConstraints(laOpt, gbCon);
add(laOpt);
gbCon.gridwidth = GridBagConstraints.REMAINDER;
gbCon.weightx = 1.0;
gbLay.setConstraints(chTyp, gbCon);
add(chTyp);
gbCon.fill = GridBagConstraints.BOTH;
gbCon.weightx = 0.0;
for (int index = RED ; index <= BLUE ; index++)
{
gbLay.setConstraints(selArr[index], gbCon);
add(selArr[index]);
}
gbCon.fill = GridBagConstraints.HORIZONTAL;
gbCon.gridwidth = 1;
gbCon.insets = new Insets(5, 0, 5, 5);
gbLay.setConstraints(cbCol, gbCon);
cbCol.setBackground(Color.lightGray);
add(cbCol);
gbCon.gridwidth = GridBagConstraints.REMAINDER;
gbLay.setConstraints(tfImg, gbCon);
add(tfImg);
gbLay.setConstraints(taTag, gbCon);
add(taTag);
gbCon.fill = GridBagConstraints.BOTH;
gbCon.weighty = 1.0;
gbLay.setConstraints(paExa, gbCon);
add(paExa);
setBackground(Color.lightGray);
}
public Insets insets()
{
return new Insets(10, 10, 10, 10);
}
public boolean action(Event ev, Object ob)
{
if (ev.target == chTyp)
{
int sel = chTyp.getSelectedIndex();
for (int index = RED ; index <= BLUE ; index++)
{
colors[actual][index] = selArr[index].getValue();
selArr[index].setValue(colors[sel][index]);
}
actual = sel;
repaint();
return true;
}
else if (ev.target == cbCol)
{
if (cbCol.getState() && img == null)
cbCol.setState(false);
repaint();
return true;
}
else if (ev.target == tfImg)
{
img = getImage(getDocumentBase(), tfImg.getText());
cbCol.setState(img != null);
repaint();
return true;
}
return false;
}
public void paint(Graphics g)
{
int sel = chTyp.getSelectedIndex();
for (int index = RED ; index <= BLUE ; index++)
colors[sel][index] = selArr[index].getValue();
String tag = "<BODY BGCOLOR=" + stdHex(colors[BGCOLOR])
+ " TEXT=" + stdHex(colors[TEXT]) + "\n"
+ " LINK=" + stdHex(colors[LINK])
+ " VLINK=" + stdHex(colors[VLINK])
+ " ALINK=" + stdHex(colors[ALINK]);
if (cbCol.getState())
tag += "\nBACKGROUND=\"" + tfImg.getText() + "\"";
tag += ">";
taTag.setText(tag);
paExa.repaint();
}
static String convHex(int value)
{
String aux = Integer.toString(value,16).toUpperCase();
if (aux.length() == 1)
aux = "0" + aux;
return aux;
}
static String stdHex(int[] rgb)
{
return "#" + convHex(rgb[RED]) + convHex(rgb[GREEN])
+ convHex(rgb[BLUE]);
}
public String getAppletInfo()
{
return "ColorChooser ";
}
}>
