public class nextView extends View{
private PointF f,midpoint;
private Matrix currentmatrix=new Matrix();
private Matrix mmatrix=new Matrix();
private float middistance;
private int type=0;
private final static int DRAG=1;
private final static int SCALE=2;
Canvas canvas;
public nextView(Context context) {
super(context);
// TODO Auto-generated constructor stub
}
Rect r1=new Rect(10,10,20,20);
Rect r2=new Rect(20,20,20,20);
Rect r3=new Rect(100,50,20,20);
Rect r4=new Rect(200,100,20,10);
Rect r5=new Rect(200,200,20,20);
Paint paint=new Paint();
Path path=new Path();
public void onDraw(Canvas canvas){
super.onDraw(canvas);
canvas.drawColor(Color.GRAY);//canvas.rotate(0f, 150, 200);
paint.setColor(Color.YELLOW);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(2);
paint.setAntiAlias(true);
canvas.drawRect(r1, paint);
canvas.drawRect(r2, paint);
canvas.drawRect(r3, paint);
canvas.drawRect(r4, paint);
canvas.drawRect(r5, paint);
}
@SuppressLint("ClickableViewAccessibility")
@Override
public boolean onTouchEvent(MotionEvent event)
{
canvas.drawLine(100, 100, 500, 500, paint);
int action = event.getAction() & MotionEvent.ACTION_MASK;
/*switch(action){
case MotionEvent.ACTION_DOWN:
float x=event.getX();
float y=event.getY();
f.set(x, y);
//currentmatrix.set(canvas.getMatrix());
type=DRAG;
//
break;
case MotionEvent.ACTION_POINTER_1_DOWN:
currentmatrix.set(canvas.getMatrix());
midpoint=getMidPoint(event);
middistance=getMiddistance(event);
type=SCALE;
break;
case MotionEvent.ACTION_MOVE:
/*if(type==DRAG){
mmatrix.set(currentmatrix);
float dx = event.getX() - f.x;
float dy = event.getY() - f.y;
//mmatrix.postTranslate(dx, dy);
}
if(type==SCALE){
mmatrix.set(currentmatrix);
float distance=getMiddistance(event);
float scalexy=distance/middistance;
//mmatrix.postScale(scalexy, scalexy, midpoint.x, midpoint.y);
}
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_1_UP:
type=0;
break;
default:
break;
}*/
canvas.setMatrix(mmatrix);
return false;
}