I'm trying to understand how to use the canvas and am going through
the example provided in the ApiDemos.
I'm very confused by this section of code:
1 canvas.save(Canvas.MATRIX_SAVE_FLAG);
2 canvas.translate(x, w*0.5f + 4.0f);
3 canvas.save(Canvas.MATRIX_SAVE_FLAG);
4 paint.setColor(outer);
5 canvas.scale(w, w);
6 canvas.drawOval(mRect, paint);
7 canvas.restore();
8 canvas.scale(w-5, w-5);
9 paint.setColor(inner);
10 canvas.rotate(-values[i]);
11 canvas.drawPath(path, paint);
12 canvas.restore();
>From my understanding of what save() and restore() does... it would
appear that lines 4,5,6,8,9,10,11 would do nothing affect the final
view.
Can someone explain this to me?
Thanks,
Mercy
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