surfaceview.java

surfaceview.java

//igdshare 110220: code provided by hsufong 
class MainPlan extends SurfaceView implements SurfaceHolder.Callback {
	private DrawPlanThread drawplanThread;
        public MainPlan(Context context) {
            super(context);
            getHolder().addCallback(this);
            drawplanThread = new DrawPlanThread(getHolder(), this);
        }
        private boolean XYInRect(int fX,int fY,Rect fRect){
        	boolean tInside = false;
        	if(fY > fRect.top  && fY <= fRect.bottom ){
        		if(fX >= fRect.left && fX < fRect.right){
        			tInside = true;
        		}
    		}
        	return tInside;
        }
        

        
        @Override
        public boolean onTouchEvent(MotionEvent event) {
        	if(stopInput == true){
        		return true;
        	}
        	int touchCity = -1;
        	int absX = 0;
        	int absY = 0;
        	
        	mx = (int) event.getX();
        	my = (int) event.getY();
        	absX = mapStartX + mx;
        	absY = mapStartY + my;
        	
        	if(event.getAction() == event.ACTION_DOWN){
        		
            	}
        	
        	if(event.getAction() == event.ACTION_UP){
        		
        		
        	}
        	
         	if(event.getAction() == event.ACTION_MOVE){
        		
        	}
            	return true;
        }

	class DrawPlanThread extends Thread {
        	private SurfaceHolder _surfaceHolder;
        	private MainPlan mainMap;
        	private boolean _run = false;
        	private boolean _draw = false;

        	public DrawPlanThread(SurfaceHolder surfaceHolder, MainPlan map) {
            	_surfaceHolder = surfaceHolder;
            	mainMap = map;
        	}
 
        	public void setRunning(boolean run) {
          	  	_run = run;
        	}
        
        	public void setDrawing(boolean fDraw) {
        		_draw = fDraw;
        	}
        
        	public boolean isDrawing() {
        		return _draw;
        	}
        
        	@Override
        	public void run() {
           	 Canvas c;
           	 while (_run) {
            		if(_draw){
            			c = null;
                 	   try {
                  	      c = _surfaceHolder.lockCanvas(null);
                   	   synchronized (_surfaceHolder) {
                   	     	mainMap.onDraw(c);
                      	  	}
                    } finally {
                        // do this in a finally so that if an exception is thrown
                        // during the above, we don't leave the Surface in an
                        // inconsistent state
                        if (c != null) {
                            _surfaceHolder.unlockCanvasAndPost(c);
                        }
                    }
            	}else{
            		try {
				sleep(500);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
            	}
                
            }
        }
    }