54 lines
1.3 KiB
Java
54 lines
1.3 KiB
Java
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Demonstrating Colors
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import java.awt.*;
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import javax.swing.*;
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import java.awt.event.*;
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public class ShowColors extends JFrame
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{
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public ShowColors()
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{
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super( "Using colors" );
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setSize( 400, 130 );
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show();
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}
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public void paint( Graphics g )
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{
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// set new drawing color using integers
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g.setColor( new Color( 255, 0, 0 ) );
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g.fillRect( 25, 25, 100, 20 );
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g.drawString( "Current RGB: " + g.getColor(), 130, 40 );
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// set new drawing color using floats
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g.setColor( new Color( 0.0f, 1.0f, 0.0f ) );
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g.fillRect( 25, 50, 100, 20 );
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g.drawString( "Current RGB: " + g.getColor(), 130, 65 );
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// set new drawing color using static Color objects
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g.setColor( Color.blue );
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g.fillRect( 25, 75, 100, 20 );
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g.drawString( "Current RGB: " + g.getColor(), 130, 90 );
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// display individual RGB values
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Color c = Color.magenta;
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g.setColor( c );
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g.fillRect( 25, 100, 100, 20 );
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g.drawString( "RGB values: " + c.getRed() + ", " + c.getGreen() + ", " + c.getBlue(), 130, 115 );
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}
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public static void main( String args[] )
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{
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ShowColors app = new ShowColors();
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app.addWindowListener( new WindowAdapter()
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{
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public void windowClosing( WindowEvent e )
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{
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System.exit( 0 );
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}
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} );
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}
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}
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