Graphics: setGrayScale(int value) : Graphics « javax.microedition.lcdui « Java by API






Graphics: setGrayScale(int value)

 



import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;

public class SetGrayScaleGraphicsMIDlet extends MIDlet {
  private Display display;
  protected void startApp() {
    Canvas canvas = new LineCanvas();
    display = Display.getDisplay(this);
    display.setCurrent(canvas);
  }
  protected void pauseApp() {
  }
  protected void destroyApp(boolean unconditional) {
  }
}

class LineCanvas extends Canvas {
  public void paint(Graphics g) {
    int width = getWidth();
    int height = getHeight();
    g.setColor(0);
    g.setGrayScale(100);

    g.drawLine(0,  2, width - 1, height / 2);
  }
}

   
  








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