private IDrawTask createDrawTask(
boolean useDrwaingCache,
DanmakuTimer timer,
Context context,
int width,
int height,
boolean isHardwareAccelerated,
IDrawTask.TaskListener taskListener) {
mDisp = mContext.getDisplayer();
mDisp.setSize(width, height);
DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
mDisp.setDensities(
displayMetrics.density, displayMetrics.densityDpi, displayMetrics.scaledDensity);
mDisp.resetSlopPixel(mContext.scaleTextSize);
mDisp.setHardwareAccelerated(isHardwareAccelerated);
IDrawTask task =
useDrwaingCache
? new CacheManagingDrawTask(
timer,
mContext,
taskListener,
1024 * 1024 * AndroidUtils.getMemoryClass(context) / 3)
: new DrawTask(timer, mContext, taskListener);
task.setParser(mParser);
task.prepare();
obtainMessage(NOTIFY_DISP_SIZE_CHANGED, false).sendToTarget();
return task;
}
/** 初始化配置 */
private void initDanmuConfig() {
// 设置最大显示行数
HashMap<Integer, Integer> maxLinesPair = new HashMap<Integer, Integer>();
maxLinesPair.put(BaseDanmaku.TYPE_SCROLL_RL, 2); // 滚动弹幕最大显示2行
// 设置是否禁止重叠
HashMap<Integer, Boolean> overlappingEnablePair = new HashMap<Integer, Boolean>();
overlappingEnablePair.put(BaseDanmaku.TYPE_SCROLL_RL, true);
overlappingEnablePair.put(BaseDanmaku.TYPE_FIX_TOP, true);
danmukuContext = DanmakuContext.create();
danmukuContext
.setDanmakuStyle(IDisplayer.DANMAKU_STYLE_NONE)
.setDuplicateMergingEnabled(false)
.setScrollSpeedFactor(1.2f) // 越大速度越慢
.setScaleTextSize(1.2f)
// .setCacheStuffer(new SimpleTextCacheStuffer(), mCacheStufferAdapter)
.setCacheStuffer(new BackgroundCacheStuffer(), mCacheStufferAdapter)
.setMaximumLines(maxLinesPair)
.preventOverlapping(overlappingEnablePair);
}