@Override
protected void onDraw(Canvas canvas) {
if ((!mDanmakuVisible) && (!mRequestRender)) {
super.onDraw(canvas);
return;
}
if (mClearFlag) {
DrawHelper.clearCanvas(canvas);
mClearFlag = false;
} else {
if (handler != null) {
RenderingState rs = handler.draw(canvas);
if (mShowFps) {
if (mDrawTimes == null) mDrawTimes = new LinkedList<Long>();
String fps =
String.format(
Locale.getDefault(),
"fps %.2f,time:%d s,cache:%d,miss:%d",
fps(),
getCurrentTime() / 1000,
rs.cacheHitCount,
rs.cacheMissCount);
DrawHelper.drawFPS(canvas, fps);
}
}
}
mRequestRender = false; // 复位
unlockCanvasAndPost();
}
@Override
public synchronized long drawDanmakus() {
if (!isSurfaceCreated) return 0;
long stime = System.currentTimeMillis();
if (!isShown()) return -1;
long dtime = 0;
Canvas canvas = lockCanvas();
if (canvas != null) {
if (handler != null) {
handler.draw(canvas);
if (mShowFps) {
if (mDrawTimes == null) mDrawTimes = new LinkedList<Long>();
dtime = System.currentTimeMillis() - stime; // not so accurate
String fps = String.format(Locale.getDefault(), "%02d MS, fps %.2f", dtime, fps());
DrawHelper.drawFPS(canvas, fps);
}
}
if (isSurfaceCreated) unlockCanvasAndPost(canvas);
}
dtime = System.currentTimeMillis() - stime;
return dtime;
}