public Thing handlecmd(Interp ip, Object target, String subcmd, Thing[] argv, int startat)
throws HeclException {
HeclCanvas c = (HeclCanvas) target;
if (subcmd.equals(WidgetInfo.NREPAINT)) {
c.repaint();
return null;
}
if (subcmd.equals("servicerepaints")) {
c.serviceRepaints();
return null;
}
if (subcmd.equals("flush")) {
if (argv.length == startat) {
// Simple case, flush whole buffer
c.flushGraphics();
return null;
}
// x, y, w, h
if (startat + 4 != argv.length)
throw HeclException.createWrongNumArgsException(argv, startat, "x y w h");
c.flushGraphics(
IntThing.get(argv[startat]),
IntThing.get(argv[startat + 1]),
IntThing.get(argv[startat + 2]),
IntThing.get(argv[startat + 3]));
return null;
}
if (subcmd.equals("graphics")) return ObjectThing.create(c.getDrawable());
return super.handlecmd(ip, target, subcmd, argv, startat);
}
public Thing cmdCode(Interp interp, Thing[] argv) throws HeclException {
Properties p = WidgetInfo.defaultProps(Canvas.class);
p.setProps(argv, 1);
HeclCanvas w = new HeclCanvas(HeclUtils.thing2bool(p.getProp(WidgetInfo.NSUPPRESSKEYS)));
p.delProp(WidgetInfo.NTITLE);
p.delProp(WidgetInfo.NSUPPRESSKEYS);
return ObjectThing.create(setInstanceProperties(interp, w, p));
}
public Thing cmdCode(Interp interp, Thing[] argv) throws HeclException {
if (argv.length == 2) {
Vector v = ListThing.get(argv[1]);
int[] colors = new int[v.size()];
for (int i = 0; i < v.size(); i++) {
colors[i] = Integer.parseInt(((Thing) v.elementAt(i)).toString(), 16);
}
Skin skin = new Skin(colors);
return ObjectThing.create(skin);
} else if (argv.length == 3) {
Vector v = ListThing.get(argv[1]);
int newSize = IntThing.get(argv[2]);
Image[] img = new Image[9];
for (int i = 0; i < v.size(); i++) {
img[i] = (Image) ObjectThing.get((Thing) v.elementAt(i));
}
return ObjectThing.create(new Skin(img, newSize));
} else {
throw HeclException.createWrongNumArgsException(
argv, 2, "mwt.skin expect either <color[]> or <image[], size>");
}
}