private void MatchWay(RenderCallback renderCallback, RenderContext renderContext, Closed closed, PolylineContainer way)
{
lock (this)
{
MatchingCacheKey matchingCacheKey = new MatchingCacheKey(way.Tags, way.Tile.ZoomLevel, closed);
IList <RenderInstruction> matchingList = this.wayMatchingCache.Get(matchingCacheKey);
if (matchingList != null)
{
// cache hit
for (int i = 0, n = matchingList.Count; i < n; ++i)
{
matchingList[i].RenderWay(renderCallback, renderContext, way);
}
return;
}
// cache miss
matchingList = new List <RenderInstruction>();
for (int i = 0, n = this.rulesList.Count; i < n; ++i)
{
this.rulesList[i].MatchWay(renderCallback, way, way.Tile, closed, matchingList, renderContext);
}
this.wayMatchingCache.Add(matchingCacheKey, matchingList);
}
}
internal override bool MatchesWay(IList <Tag> tags, sbyte zoomLevel, Closed closed)
{
return(this.zoomMin <= zoomLevel && this.zoomMax >= zoomLevel && this.elementMatcher.Matches(Element.WAY) && this.closedMatcher.Matches(closed) && this.keyMatcher.Matches(tags) && this.valueMatcher.Matches(tags));
}
internal virtual void MatchWay(RenderCallback renderCallback, PolylineContainer way, Tile tile, Closed closed, IList <RenderInstruction> matchingList, RenderContext renderContext)
{
if (MatchesWay(way.Tags, tile.ZoomLevel, closed))
{
for (int i = 0, n = this.renderInstructions.Count; i < n; ++i)
{
this.renderInstructions[i].RenderWay(renderCallback, renderContext, way);
matchingList.Add(this.renderInstructions[i]);
}
for (int i = 0, n = this.subRules.Count; i < n; ++i)
{
this.subRules[i].MatchWay(renderCallback, way, tile, closed, matchingList, renderContext);
}
}
}
public bool Matches(Closed closed)
{
return(true);
}
internal abstract bool MatchesWay(IList <Tag> tags, sbyte zoomLevel, Closed closed);