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Escher is a collection of libraries for X Window System written purely in Java.

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package gnu.x11.image;

import gnu.x11.Color;
import gnu.x11.Colormap;
import gnu.x11.Display;
import java.util.StringTokenizer;


public class XPM extends ZPixmap { // TODO
  public XPM (Display display, String [] xpm) {
    super (display);

    StringTokenizer values = new StringTokenizer (xpm [0]);
    width = Integer.parseInt (values.nextToken ());
    height = Integer.parseInt (values.nextToken ());
    int num_colors = Integer.parseInt (values.nextToken ());
    int chars_per_pixel = Integer.parseInt (values.nextToken ());

    // TODO how to select best SUITABLE format?
    format = Format.ZPIXMAP;
    pixmap_format = display.default_pixmap_format;
    image_byte_order = display.image_byte_order;
    pixel_byte_count = pixmap_format.bits_per_pixel () / 8;
    init ();

    java.util.Hashtable mapping = new java.util.Hashtable (2*num_colors);
    Colormap cmap = display.default_colormap;
    
    for (int i=0; i