import java.awt.*;
import java.awt.image.*; 
import Plot;

class Pembesaran extends Plot {

    public Pembesaran()
    {
    }

    public Pembesaran(int w, int h)
    {
        super(w, h);
    }

    public Pembesaran(Image img)
    {
        super(img);
    }

    public Image Magnify(Component root, int zoom, int grid)
    {
        int w = width*zoom;
        int h = height*zoom;
        int magGlass[] = new int[w*h];
        boolean hasBorder = (grid & 0xff000000) != 0;

        int i = 0;
        int k = 0;
        for (int y = 0; y < height; y++) {
            for (int v = 0; v < zoom; v++) {
                for (int x = 0; x < width; x++) {
                    int pix = pixel[i++];
                    for (int u = 0; u < zoom; u++) {
                        magGlass[k++] = (hasBorder & ((u == 0) | (v == 0))) ? grid : pix;
                    }
                }
                i -= width;
            }
            i += width;
        }
        return root.createImage(new MemoryImageSource(w, h, magGlass, 0, w));
    }

    public boolean setPixel(int pix, int x, int y)
    {
        if ((x >= 0) & (x < width) & (y >= 0) & (y < height))
            pixel[y*width+x] = pix;
        return true;
    }
}