Load font from resource using Firemonkey GDI+ canvas

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I have a Firemonkey app which uses GDI+ for drawing (set GlobalUseDX10 and GlobalUseDirect2D) to False). From what I see in the Firemonkey's source, the GDI+ canvas is the only one that implements the LoadFontFromStream function (in FMX.Canvas.GDIP.pas).

The problem is I can't manage to find an example on how to use that. I tried the following code:

procedure TForm1.FormCreate(Sender: TObject);
var f1,f2,f3,f4,f5: TResourceStream;
begin
  f1 := TResourceStream.Create(hInstance, 'OPENSANSBOLD', RT_RCDATA);
  f2 := TResourceStream.Create(hInstance, 'OPENSANSEXTRABOLD', RT_RCDATA);
  f3 := TResourceStream.Create(hInstance, 'OPENSANSLIGHT', RT_RCDATA);
  f4 := TResourceStream.Create(hInstance, 'OPENSANSREGULAR', RT_RCDATA);
  f5 := TResourceStream.Create(hInstance, 'OPENSANSSEMIBOLD', RT_RCDATA);
  Form1.Canvas.LoadFontFromStream(f1);
  Form1.Canvas.LoadFontFromStream(f2);
  Form1.Canvas.LoadFontFromStream(f3);
  Form1.Canvas.LoadFontFromStream(f4);
  ExisitingLabel.Font.Family := 'Open Sans';
end

The resource is found, the font is loaded but I can't seem to apply it to the label. What could be the problem?

asked 44 secs ago

Jamie

8