protected ReoGridOutline OutlineButtonHittest(OutlineCollection <ReoGridOutline> outlines, Point location)
{
foreach (var g in outlines)
{
foreach (var o in g)
{
if (o.ToggleButtonBounds.Contains(location))
{
return(o);
}
}
}
return(null);
}
internal ParagraphMetrics(
Paragraph paragraph, FormatterSink formattedData, TextGeometryCache geometryCache)
{
Contract.Requires(paragraph != null);
Contract.Requires(formattedData != null);
Contract.Requires(geometryCache != null);
_Paragraph = paragraph;
_Leading = formattedData.Leading;
_LayoutRegion = formattedData.LayoutRegion;
_BaselineOffset = formattedData.BaselineOffset;
_Clusters = formattedData.Clusters.ToArray();
_ClusterBidiLevels = new byte[formattedData.Clusters.Count];
_Outlines = CreateOutlineList(formattedData, geometryCache, out _ClusterBidiLevels);
// create the text index to cluster index transformation table
_TextToCluster = new int[formattedData.FullText.Length];
for(int i = 0; i < _Clusters.Length; ++i)
{
foreach(int characterIndex in _Clusters[i].Characters)
{
_TextToCluster[characterIndex] = i;
}
}
// determine the region that encompasses all formatted clusters
float left = float.MaxValue;
float top = float.MaxValue;
float right = float.MinValue;
float bottom = float.MinValue;
for(int i = 0; i < _Clusters.Length; ++i)
{
left = Math.Min(left, _Clusters[i].Region.Left);
top = Math.Min(top, _Clusters[i].Region.Top);
right = Math.Max(right, _Clusters[i].Region.Right);
bottom = Math.Max(bottom, _Clusters[i].Region.Bottom);
}
_TextRegion = Rectangle.FromEdges(left, top, right, bottom);
// determine the ranges of each line
_LineListBuilder.Clear();
int lastLine = 0;
IndexedRange range = IndexedRange.Empty;
for(int i = 0; i < formattedData.Runs.Count; ++i)
{
if(formattedData.Runs[i].LineNumber > lastLine)
{
_LineListBuilder.Add(ToTextRange(range));
range = new IndexedRange(formattedData.Runs[i].Clusters.StartIndex, 0);
lastLine = formattedData.Runs[i].LineNumber;
}
range = range.Extend(formattedData.Runs[i].Clusters.Length);
}
if(range.Length > 0)
{
_LineListBuilder.Add(ToTextRange(range));
}
_Lines = new LineCollection(_LineListBuilder);
// build a collection of regions mapping to text indexes
_RegionListBuilder.Clear();
for(int i = 0; i < paragraph.Text.Length; ++i)
{
_RegionListBuilder.Add(_Clusters[_TextToCluster[i]].Region);
}
_Regions = new RegionCollection(_RegionListBuilder);
}
