@Override public void onKeyDown(KeyEvent event) { if (event.getKey() == Key.UP) { view.setScale(view.getScale() * 1.1); draw(); } if (event.getKey() == Key.DOWN) { view.setScale(view.getScale() / 1.1); draw(); } if (event.getKey() == Key.LEFT) { view.translate(-0.01, 0); draw(); } }
private void draw() { Canvas canvas = view.getBackground(); canvas.setColor(Color.BLUE); canvas.setAntiAliasing(true); canvas.fill(); canvas.setColor(Color.WHITE); canvas.drawCircle(0, 0, 1); canvas.drawEllipse(0, 0, 3, 2); canvas.setTextSize(20); canvas.drawText(3, 3, "Scale=" + view.getScale()); canvas.drawRectangle(2, 2, 4, 4); canvas.drawImage(2, 2, new Image("res:drawable/spain.jpg")); canvas.drawImage(2, 2, Image.JEDA_LOGO_64x64); canvas.drawLine(1, 1, 3, 1); }