[Mono-bugs] [Bug 76846][Nor] New - Bugs in AddArc routine.

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Changed by miguel at ximian.com.

http://bugzilla.ximian.com/show_bug.cgi?id=76846

--- shadow/76846	2005-11-28 23:47:56.000000000 -0500
+++ shadow/76846.tmp.25823	2005-11-28 23:47:56.000000000 -0500
@@ -0,0 +1,60 @@
+Bug#: 76846
+Product: Mono: Class Libraries
+Version: unspecified
+OS: 
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: Sys.Drawing.
+AssignedTo: jordi at ximian.com                            
+ReportedBy: miguel at ximian.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: Bugs in AddArc routine.
+
+The following example draws an incorrect arc:
+
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Drawing.Drawing2D;
+
+class X {
+	static Rectangle m_boundingRectangle = new Rectangle (0, 0, 600, 300);
+	static int m_sliceHeight = 100;
+	
+        static GraphicsPath MakePath (float startAngle, float endAngle,
+PointF pointStart, PointF pointEnd) {
+            GraphicsPath path = new GraphicsPath();
+
+            path.AddArc(m_boundingRectangle, startAngle, endAngle -
+startAngle);
+            path.AddLine(pointEnd.X, pointEnd.Y, pointEnd.X, pointEnd.Y +
+m_sliceHeight);
+            path.AddArc(m_boundingRectangle.X, m_boundingRectangle.Y +
+m_sliceHeight, m_boundingRectangle.Width, m_boundingRectangle.Height,
+endAngle, startAngle - endAngle);
+            path.AddLine(pointStart.X, pointStart.Y + m_sliceHeight,
+pointStart.X, pointStart.Y);
+            return path;
+        }
+
+	static void Main ()
+	{
+		Bitmap b = new Bitmap (800, 400, PixelFormat.Format32bppArgb);
+		Graphics g = Graphics.FromImage (b);
+		GraphicsPath p = MakePath (45, 180, new PointF (338, 160), new PointF
+(46, 93));
+		Pen pen = new Pen (Color.Red);
+		g.DrawPath (pen, p);
+		
+		b.Save ("s.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
+	}
+}
+
+
+The expected and obtained results are attached.