Further performance improvements in DocstrumBoundingBoxes

UglyToad · Jun 27, 2024 · b05dfac · b05dfac
1 parent 14e7024
commit b05dfac
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/UglyToad.PdfPig.DocumentLayoutAnalysis/PageSegmenter/DocstrumBoundingBoxes.cs b/src/UglyToad.PdfPig.DocumentLayoutAnalysis/PageSegmenter/DocstrumBoundingBoxes.cs
@@ -467,6 +467,19 @@ public static bool GetStructuralBlockingParameters(PdfLine i, PdfLine j, double
             }
 
             // Get middle points
+
+#if NET6_0_OR_GREATER
+            Span<PdfPoint> ps = stackalloc PdfPoint[] { j.Point1, j.Point2, Aj.Value, Bj.Value };
+
+            if (dXj != 0)
+            {
+                ps.Sort(PdfPointXYComparer.Instance);
+            }
+            else if (dYj != 0)
+            {
+                ps.Sort(PdfPointYComparer.Instance);
+            }
+#else
             PdfPoint[] ps = [j.Point1, j.Point2, Aj.Value, Bj.Value];
 
             if (dXj != 0)
@@ -477,6 +490,7 @@ public static bool GetStructuralBlockingParameters(PdfLine i, PdfLine j, double
             {
                 Array.Sort(ps, PdfPointYComparer.Instance);
             }
+#endif
 
             PdfPoint Cj = ps[1];
             PdfPoint Dj = ps[2];