virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkMWCRandom rand;
for (int i = 0; i < SkBENCHLOOP(3); i++) {
SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
rand.nextUScalar1() * 400);
paint.setImageFilter(fFilter);
canvas->drawOval(r, paint);
}
}
static void rand_op(SkCanvas* canvas, SkMWCRandom& rand) {
SkPaint paint;
SkRect rect = SkRect::MakeWH(50, 50);
SkScalar unit = rand.nextUScalar1();
if (unit <= 0.3) {
// SkDebugf("save\n");
canvas->save();
} else if (unit <= 0.6) {
// SkDebugf("restore\n");
canvas->restore();
} else if (unit <= 0.9) {
// SkDebugf("clip\n");
canvas->clipRect(rect);
} else {
// SkDebugf("draw\n");
canvas->drawPaint(paint);
}
}