private void drawItem(Canvas canvas, PieItem item, float alpha) {
if (mState == STATE_PIE) {
if (item.getPath() != null) {
if (item.isSelected()) {
Paint p = mSelectedPaint;
int state = canvas.save();
float r = getDegrees(item.getStartAngle());
canvas.rotate(r, mCenter.x, mCenter.y);
canvas.drawPath(item.getPath(), p);
canvas.restoreToCount(state);
}
alpha = alpha * (item.isEnabled() ? 1 : 0.3f);
// draw the item view
item.setAlpha(alpha);
item.draw(canvas);
}
}
}