// Purge all caches, useful in low memory conditions
public void purgeCaches()
{
std::lock_guard <std::recursive_mutex> _l = new std::lock_guard <std::recursive_mutex>(gMinikinLock);
LayoutCache layoutCache = LayoutEngine.getInstance().layoutCache.functorMethod;
layoutCache.clear();
purgeHbFontCacheLocked();
}
// Lay out a single word
public float doLayoutWord(UInt16[] buf, int start, int count, int bufSize, bool isRtl, LayoutContext ctx, int bufStart, FontCollection collection, Layout layout, float[] advances)
{
LayoutCache cache = LayoutEngine.getInstance().layoutCache.functorMethod;
LayoutCacheKey key = new LayoutCacheKey(collection, ctx.paint, new FontStyle(ctx.style), new UInt16(buf), start, count, bufSize, isRtl);
float wordSpacing = count == 1 && isWordSpace(buf[start]) ? ctx.paint.wordSpacing : 0F;
float advance;
if (ctx.paint.skipCache())
{
Layout layoutForWord = new Layout();
key.doLayout(layoutForWord, ctx, collection);
if (layout != null)
{
layout.appendLayout(layoutForWord, bufStart, wordSpacing);
}
if (advances != 0F)
{
layoutForWord.getAdvances(advances);
}
advance = layoutForWord.getAdvance();
}
else
{
Layout layoutForWord = cache.get(key, ctx, collection);
if (layout != null)
{
layout.appendLayout(layoutForWord, bufStart, wordSpacing);
}
if (advances != 0F)
{
layoutForWord.getAdvances(advances);
}
advance = layoutForWord.getAdvance();
}
if (wordSpacing != 0F)
{
advance += wordSpacing;
if (advances != 0F)
{
advances[0] += wordSpacing;
}
}
return(advance);
}