/**
   This program shows how ConsoleGraphics does the hard work of "rendering" your drawing
   commands onto the console.
   @author Charlie McDowell
 */
class CGTest {
    public static void main(String[] args) throws java.io.IOException {
        //        ConsoleGraphics cg = new ConsoleGraphics(70,30);
        SwingGraphics cg = new SwingGraphics(70,30);
        // put something in the frame
        drawBox(cg,2,3,50,25); 
        drawLine(cg,15,5,40,10);
        cg.render(); // notice that the outline of the ConsoleGraphics is already included
        System.in.read(); // pause
        cg.render(); // notice how it forgets
        drawBox(cg,2,3,50,25); // notice this doesn't display if not followed by render
        System.in.read(); // pause
        cg.render(); // now it shows up
    }

    /**
       Draw a box on the specified graphics device.
     */
    static void drawBox(TGraphics graphics, int left, int top, int width, int height) {
        graphics.drawLine(left, top, left+width, top);
        graphics.drawLine(left, top+height, left+width, top+height);
        graphics.drawLine(left, top, left, top+height);
        graphics.drawLine(left+width, top, left+width, top+height);
    }

    /**
       Draw a line on the specified graphics device.
     */
    static void drawLine(TGraphics graphics, int x1, int y1, int x2, int y2) {
        graphics.drawLine(x1, y1, x2, y2);
    }
}