drawLine needs to use withPixel; colors are correct in asteroids now

midp/gfx.js

@@ -531,6 +531,7 @@
             dx = x2 - x1, dy = y2 - y1;
         withClip(_this, x1, y1, function(x, y) {
             withSize(dx, dy, function(dx, dy) {
+                withPixel(_this, function() {
                     var ctx = MIDP.Context2D;
                     ctx.beginPath();
                     ctx.moveTo(x, y);
@@ -539,6 +540,7 @@
                     ctx.closePath();
                 });
             });
+        });
     }
 
     Native["javax/microedition/lcdui/Graphics.drawRGB.([IIIIIIIZ)V"] = function(ctx, stack) {