Convert System.Drawing.Font.Size to WPF FontSize

Question

I need to convert a GDI Font in a WPF "Font".

myGdiFont As System.Drawing.Font

in

_Family As Windows.Media.FontFamily
_Style As Windows.FontStyle
_Weight As Windows.FontWeight
_Size As Double

In particularry, I need to Convert

_Size = myGdiFont.Size (???)

The size in WinForms font is in Units or Points... In WPF is in Pixels... How to convert from one to another?

PS.
Follwing the Clemens indications, is it correct?

  Dim myDrawingFont As New System.Drawing.Font("Arial", 10)
  Dim myWpfLabel As New Windows.Controls.Label
  myWpfLabel.FontSize = myDrawingFont.SizeInPoints * 72 / 96

Fixed:

  myWpfLabel.FontSize = myDrawingFont.SizeInPoints * 96 / 72

Clemens · Accepted Answer · 2012-03-14 13:25:28Z

10

By multiplication. A point is 1/72th of an inch, whereas WPF device-independent units ("WPF pixels") are 1/96th of an inch.

You can verify this by specifying a WPF control's FontSize property in XAML as for example "24" and "18pt". You will realize that both values result in the same actual font size.

edited Mar 14, 2012 at 13:25

answered Mar 14, 2012 at 12:57

Clemens

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1 Comment

Clemens Over a year ago

No, it should be myWpfLabel.FontSize = myDrawingFont.SizeInPoints / 72 * 96.

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