[J2ME]获得局部图像

public class GetRGBCanvas extends Canvas {Image img;boolean ok;public GetRGBCanvas(){setFullScreenMode(true);ok = false;try {int [] rgbArray = new int[15 * 15];Image temp = Image.createImage("/enableSound.png");temp.getRGB(rgbArray, 0, 15, 0, 0, 15, 15);img = Image.createRGBImage(rgbArray, 15, 15, true);ok = true;} catch (IOException e) {}}protected void paint(Graphics g) {// TODO Auto-generated method stubg.setColor(0);g.fillRect(0, 0 , 240, 310);if(ok){g.drawImage(img, 120, 155, Graphics.HCENTER | Graphics.VCENTER);}else{g.setColor(0xfffffff);g.drawString("NO OK!!", 120, 155, Graphics.HCENTER | Graphics.BOTTOM);}}}