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- // Main is called by Liana to start the application
- main
- {
- // Create and show a window.
- (w = new window).show;
- }
-
- // Paint is called by Liana to update window.
- // Note that it queries the current window
- // size to calculate the graphic coordinates.
-
- paint
- {
- // Some text.
- w << "Hello World";
-
- // Diagonal line from upper left to lower right.
- w.line (0, 0, w.width, w.height);
-
- // Circle in middle of screen.
- int x = w.width / 2;
- int y = w.height / 2;
- int r = min (w.width, w.height) / 4;
- w.circle (x, y, r);
-
- // Rectangle around the circle.
- w.rectangle (x - r - 30, y - r - 10,
- x + r + 30, y + r + 10);
- }
-