/// <summary>
/// Matches a node with the given parameters against this RenderTheme. </summary>
/// <param name="renderCallback">
/// the callback implementation which will be executed on each match. </param>
/// <param name="renderContext"> </param>
/// <param name="poi">
/// the point of interest. </param>
public virtual void MatchNode(RenderCallback renderCallback, RenderContext renderContext, PointOfInterest poi)
{
lock (this)
{
MatchingCacheKey matchingCacheKey = new MatchingCacheKey(poi.Tags, renderContext.rendererJob.tile.ZoomLevel, Closed.NO);
IList <RenderInstruction> matchingList = this.poiMatchingCache.Get(matchingCacheKey);
if (matchingList != null)
{
// cache hit
for (int i = 0, n = matchingList.Count; i < n; ++i)
{
matchingList[i].RenderNode(renderCallback, renderContext, poi);
}
return;
}
// cache miss
matchingList = new List <RenderInstruction>();
for (int i = 0, n = this.rulesList.Count; i < n; ++i)
{
this.rulesList[i].MatchNode(renderCallback, renderContext, matchingList, poi);
}
this.poiMatchingCache.Add(matchingCacheKey, matchingList);
}
}
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);
}
}
public override bool Equals(object obj)
{
if (this == obj)
{
return(true);
}
else if (!(obj is MatchingCacheKey))
{
return(false);
}
MatchingCacheKey other = (MatchingCacheKey)obj;
if (this.closed != other.closed)
{
return(false);
}
if (this.tagsWithoutName == null && other.tagsWithoutName != null)
{
return(false);
}
else if (!this.tagsWithoutName.Equals(other.tagsWithoutName))
{
return(false);
}
if (this.zoomLevel != other.zoomLevel)
{
return(false);
}
return(true);
}
