// Jay Summet (GaTech)
//
// An example of creating a subclass of Picture and adding a
// new object attribute (variable) and behaviors (methods).

public class BetterPicture extends Picture {
  
  
  private String copyRight;
  
  public static void main(String [] args) {
    
    BetterPicture bp = new BetterPicture( FileChooser.pickAFile() );
    
    bp.show();
      
    Picture p = bp.getARow(1);
    
    p.show();
    
    bp.setCopyright("Jay Summet");
    
    System.out.println("Copyright is owned by:" +  bp.getCopyright() );
    
    
  } // end main
  
  
  
  // Call the picture(width,height) constructor
  public BetterPicture(int width, int height, String copyright){
    super( width,height);
    
    this.copyRight = copyright;
    
  }
  
  public String getCopyright(){
    return this.copyRight;
  }
  
  public void setCopyright( String newString) {
    this.copyRight = newString;
  }
  
  
  public BetterPicture(String fileName) {
    super(fileName);
    
  } // end Constructor BetterPicture( string filename)
  
  
  // This object method returns a picture that is one pixel high
  // copied from rowNum in the current picture.
  public Picture getARow( int rowNum) {
    
    int myWidth = this.getWidth();
    Picture p = new Picture( myWidth, 1 );
    
    
    for(int i = 0; i < myWidth; i = i + 1) {
      
       Pixel srcPix = this.getPixel(i ,rowNum);
       java.awt.Color c = srcPix.getColor();
       
       Pixel dstPix = p.getPixel(i,0);
       dstPix.setColor(c); 
    } // end for i in width of picture
    
    
    //System.out.println("my Width is:" + myWidth);
    
    

    
    return p;
  } // end public Picture aRow
  
  
  
} // end class BetterPicture