Re: Drawstring() and mirror printing.

mariuszpietrzak73@gmail.com writes:


  The following program creates an image for 10 seconds
  and then shows its mirror immage.

class Main extends javax.swing.JComponent implements java.lang.Runnable
{ final int[] X ={ 800, 800 };
  private static final long serialVersionUID = 0L;
  java.awt.image.BufferedImage window
  = new java.awt.image.BufferedImage
  ( X[ 1 ], X[ 0 ], java.awt.image.BufferedImage.TYPE_INT_RGB );
  java.awt.image.BufferedImage window1
  = new java.awt.image.BufferedImage
  ( X[ 1 ], X[ 0 ], java.awt.image.BufferedImage.TYPE_INT_RGB );
  public static void main( final java.lang.String args[] )
  { java.awt.EventQueue.invokeLater( new Main() ); }
  public static int get( final int color, final int shift )
  { return (( color &( 0x000000FF << shift ))>> shift ); }
  public static int B( final int color ){ return get( color, 0 ); }
  public static int G( final int color ){ return get( color, 8 ); }
  public static int R( final int color ){ return get( color, 16 ); }
  public static int reduce( final int intensity ){ return intensity > 127 ? 128 + 64 : 64; }
  public static void limit( final double[] a, final int i, final int max )
  { if( a[ i ]< 0 ){ a[ i ]= 0; return; }else
    if( a[ i ]> max ){ a[ i ]= max; return; }}
  public static int color( final int r, final int g, final int b )
  { return ( r << 16 )|( g << 8 )| b; }
  public static int color( final double[] C )
  { return color( ( int )C[ 0 ],( int )C[ 1 ],( int )C[ 2 ]); }
  @java.lang.Override public final void run()
  { final javax.swing.JFrame frame = new javax.swing.JFrame( this.getClass().getName() );
    Main.this.setPreferredSize( new java.awt.Dimension( X[ 1 ], X[ 0 ]));
    frame.setDefaultCloseOperation( javax.swing.JFrame.EXIT_ON_CLOSE );
    frame.add( Main.this ); frame.pack(); frame.setVisible( true );
    final java.lang.Runnable loop = new java.lang.Runnable()
    { double[] x ={ X[ 0 ]/2, X[ 1 ]/2 }; double[] C ={ 127, 127, 127 };
      long t = 0; long b = 0; long c = 0;
      public void run(){ if( b == 0L )b = java.lang.System.nanoTime();
        if( b == -1L ){ if( java.lang.System.nanoTime() - c > 1_000_000_000L )
          { final java.awt.image.BufferedImage tmp = window; window = window1; window1 = tmp;
            Main.this.repaint(); c = java.lang.System.nanoTime(); }
          java.awt.EventQueue.invokeLater( this ); }
        else if( java.lang.System.nanoTime() - b > 10_000_000_000L )
        { window.copyData( window1.getRaster() );
          for( int y = 0; y < X[ 0 ]; ++y )for( int x = 0; x < X[ 1 ]; ++x )
          { final int color = Main.this.window1.getRGB( x, y );
            Main.this.window.setRGB( X[ 1 ]- x - 1, y, color ); }
          Main.this.repaint(); b = -1; c = java.lang.System.nanoTime(); java.awt.EventQueue.invokeLater( this ); }
        else { for( int i = 0; i < 100_000; ++i )
          { for( int j = 0; j < 2; ++j ){ x[ j ]+=( java.lang.Math.random() - 0.5 ); limit( x, j, X[ j ] - 1 ); }
            for( int j = 0; j < 3; ++j ){ C[ j ]+=( java.lang.Math.random() - 0.5 ); limit( C, j, 255 ); }
            Main.this.window.setRGB(( int )x[ 1 ],( int )x[ 0 ], color( C )); }
          final long l = java.lang.System.nanoTime(); if( l - t > 100_000L ){ Main.this.repaint(); t = l; }
          java.awt.EventQueue.invokeLater( this ); }}}; loop.run(); }
  @java.lang.Override public void paintComponent( final java.awt.Graphics graphics )
  { graphics.drawImage( Main.this.window, 0, 0, null ); }}