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84 lines
2.9 KiB
Java
84 lines
2.9 KiB
Java
Drawing Shapes in Java 2D
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// Demonstrating some Java2D shapes
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import javax.swing.*;
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import java.awt.event.*;
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import java.awt.*;
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import java.awt.geom.*;
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import java.awt.image.*;
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public class Shapes extends JFrame
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{
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public Shapes()
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{
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super( "Drawing 2D shapes" );
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setSize( 425, 160 );
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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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// create 2D by casting g to Graphics2D
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Graphics2D g2d = ( Graphics2D ) g;
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// draw 2D ellipse filled with a blue-yellow gradient
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g2d.setPaint( new GradientPaint( 5, 30, // x1, y1
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Color.blue, // initial Color
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35, 100, // x2, y2
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Color.yellow, // end Color
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true ) ); // cyclic
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g2d.fill( new Ellipse2D.Double( 5, 30, 65, 100 ) );
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// draw 2D rectangle in red
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g2d.setPaint( Color.red );
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g2d.setStroke( new BasicStroke( 10.0f ) );
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g2d.draw( new Rectangle2D.Double( 80, 30, 65, 100 ) );
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// draw 2D rounded rectangle with a buffered background
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BufferedImage buffImage = new BufferedImage( 10, 10, BufferedImage.TYPE_INT_RGB );
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Graphics2D gg = buffImage.createGraphics();
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gg.setColor( Color.yellow ); // draw in yellow
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gg.fillRect( 0, 0, 10, 10 ); // draw a filled rectangle
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gg.setColor( Color.black ); // draw in black
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gg.drawRect( 1, 1, 6, 6 ); // draw a rectangle
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gg.setColor( Color.blue ); // draw in blue
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gg.fillRect( 1, 1, 3, 3 ); // draw a filled rectangle
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gg.setColor( Color.red ); // draw in red
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gg.fillRect( 4, 4, 3, 3 ); // draw a filled rectangle
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// paint buffImage onto the JFrame
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g2d.setPaint( new TexturePaint( buffImage, new Rectangle( 10, 10 ) ) );
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g2d.fill( new RoundRectangle2D.Double( 155, 30, 75, 100, 50, 50 ) );
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// draw 2D pie-shaped arc in white
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g2d.setPaint( Color.white );
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g2d.setStroke( new BasicStroke( 6.0f ) );
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g2d.draw( new Arc2D.Double( 240, 30, 75, 100, 0, 270, Arc2D.PIE ) );
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// draw 2D lines in green and yellow
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g2d.setPaint( Color.green );
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g2d.draw( new Line2D.Double( 395, 30, 320, 150 ) );
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float dashes[] = { 10 };
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g2d.setPaint( Color.yellow );
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g2d.setStroke( new BasicStroke( 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 10, dashes, 0 ) );
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g2d.draw( new Line2D.Double( 320, 30, 395, 150 ) );
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}
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public static void main( String args[] )
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{
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Shapes app = new Shapes();
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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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