package SE.liu.lysator.gfx;

import java.awt.*;
import java.awt.image.*;
import java.util.*;
import java.applet.*;

public class ImageBits implements java.awt.image.ImageConsumer
{
  public int width, height;
  public int pixels[];
  Thread myThread;
  ImageProducer producer;
 
  public ImageBits( Image img )
  {
    producer = img.getSource();
    producer.startProduction( this );
    myThread = Thread.currentThread();
    myThread.suspend();
  }
  public ImageBits( ImageBits imgBits )
  {
    int cx, cy;
    
    width = imgBits.width;
    height = imgBits.height;
    pixels = new int[ width * height ];
    for (cy=0; cy < height; cy++)
      for (cx=0; cx < height; cx++)
        pixels[ cy * width + cx ] = imgBits.pixels[ cy * width + cx ];
  }
  public void setDimensions( int w, int h )
  {
    width = w;
    height = h;
    pixels = new int[ w*h ];
  }
  public void setProperties( Hashtable props )
  {}
  public void setColorModel( ColorModel m )
  {}
  public void setHints( int hintflags )
  {}
  public void setPixels( int x, int y, int w, int h, ColorModel model,
                        byte srcPixels[], int off, int scansize )
  {
    int cx, cy;
 
    for (cy = 0; cy < h; cy++)
      for (cx = 0; cx < w; cx++)
        pixels[ (cy + y) * width + cx ]
          = model.getRGB( srcPixels[ off + cy * scansize + cx ] );
  }
  public void setPixels( int x, int y, int w, int h, ColorModel model,
                        int srcPixels[], int off, int scansize )
  {
    int cx, cy;
 
    for (cy = 0; cy < h; cy++)
      for (cx = 0; cx < w; cx++)
        pixels[ (cy + y) * width + cx ]
          = model.getRGB( srcPixels[ off + cy * scansize + cx ] );
  }
  public void imageComplete( int status )
  {
    producer.removeConsumer( this );
    myThread.resume();
  }
  public Image getImage( Applet foo )
  {
    return foo.createImage( new MemoryImageSource( width, height,
                                                   pixels, 0, width ) );
  }
}