Fixed enumeration access

tinokrueger · tinokrueger · commit c5d7df2c053f · 2022-03-16T19:09:42.000+01:00
diff --git a/PdfSharpCore/Drawing.Layout/XTextSegmentFormatter.cs b/PdfSharpCore/Drawing.Layout/XTextSegmentFormatter.cs
@@ -147,7 +147,9 @@ public XSize CalculateTextSize(IEnumerable<TextSegment> textSegments, double wid
 
 			ProcessTextSegments(textSegments, layoutRectangle, format, (block, dx, dy) => blocks.Add(block), true);
 
-			var height = blocks.Max(b => b.Location.Y);
+			var height = blocks.Any()
+				? blocks.Max(b => b.Location.Y)
+				: 0;
 			var maxLineHeight = 0.0;
 			for (int i = blocks.Count - 1; i >= 0; i--)
 			{

Original file line number	Diff line number	Diff line change
`@@ -147,7 +147,9 @@ public XSize CalculateTextSize(IEnumerable<TextSegment> textSegments, double wid`
`147`	`147`
`148`	`148`	`ProcessTextSegments(textSegments, layoutRectangle, format, (block, dx, dy) => blocks.Add(block), true);`
`149`	`149`
`150`		`- var height = blocks.Max(b => b.Location.Y);`
	`150`	`+ var height = blocks.Any()`
	`151`	`+ ? blocks.Max(b => b.Location.Y)`
	`152`	`+ : 0;`
`151`	`153`	`var maxLineHeight = 0.0;`
`152`	`154`	`for (int i = blocks.Count - 1; i >= 0; i--)`
`153`	`155`	`{`