[Mono-bugs] [Bug 79685][Nor] New - GdipDrawString does not align single character strings correctly.

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Tue Oct 17 13:39:57 EDT 2006


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Changed by rolfkvinge at ya.com.

http://bugzilla.ximian.com/show_bug.cgi?id=79685

--- shadow/79685	2006-10-17 13:39:57.000000000 -0400
+++ shadow/79685.tmp.21593	2006-10-17 13:39:57.000000000 -0400
@@ -0,0 +1,84 @@
+Bug#: 79685
+Product: Mono: Class Libraries
+Version: 1.1
+OS: other
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: libgdiplus
+AssignedTo: mono-bugs at ximian.com                            
+ReportedBy: rolfkvinge at ya.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: GdipDrawString does not align single character strings correctly.
+
+Single character strings are not aligned properly.
+
+Steps to reproduce the problem:
+1. Compile and run the code.
+
+Actual Results:
+The single character string is left-aligned.
+
+Expected Results:
+The single character string should be centered (just as the other string).
+
+How often does this happen? 
+Always (Linux - MS works perfectly).
+
+Additional information:
+This makes MonthCalendar draw ugly days for the first 9 days in every 
+month!
+
+Test case:
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace centered
+{
+	public class MainForm : Form
+	{
+		public MainForm ()
+		{
+			Paint += new PaintEventHandler (MainForm_Paint);
+		}
+
+		void MainForm_Paint (object sender, PaintEventArgs e)
+		{
+			using (StringFormat format = new StringFormat ()) {
+				format.Alignment = StringAlignment.Center;
+				format.LineAlignment = StringAlignment.Center;
+				
+				Rectangle rect = this.ClientRectangle;
+				rect.Width /= 4;
+				rect.Height /= 4;
+				rect.Location = new Point ((int)(rect.Width * 
+1.5), (int)(rect.Height));
+				e.Graphics.FillRectangle (Brushes.White, 
+this.ClientRectangle);
+				e.Graphics.DrawRectangle (new 
+Pen(Brushes.SpringGreen, 2), rect);
+				e.Graphics.DrawString ("a", this.Font, 
+Brushes.SteelBlue, rect, format);
+
+				rect.Offset (0, (int)( rect.Height * 1.5));
+				e.Graphics.DrawRectangle (new Pen 
+(Brushes.SpringGreen, 2), rect);
+				e.Graphics.DrawString ("aa", this.Font, 
+Brushes.SteelBlue, rect, format);
+			}
+		}
+
+		[STAThread]
+		static void Main(string[] args)
+		{
+			Application.Run (new MainForm ());
+		}
+
+	}
+}


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