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TvPlanIt: More compatibile calculation of average character size, avoids crash in cocoa.
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8889 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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@ -1602,9 +1602,25 @@ end;
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function TVpLineWrapper.GetAverageCharSize(ACanvas: TCanvas): Integer;
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var
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Metrics: TTextMetric;
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{$IFDEF LCL}
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bmp: TBitmap;
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{$ELSE}
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SavedFontHandle: THandle;
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DC: HDC;
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{$ENDIF}
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begin
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{$IFDEF LCL}
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// The Delphi version crashes in cocoa.
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bmp := TBitmap.Create;
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try
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bmp.SetSize(10, 10);
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bmp.Canvas.Font.Assign(ACanvas.Font);
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GetTextMetrics(bmp.Canvas.Handle, Metrics) then
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Result := Metrics.tmAveCharWidth;
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finally
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bmp.Free;
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end;
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{$ELSE}
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DC := GetDC(0);
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SavedFontHandle := SelectObject(DC, ACanvas.Font.Reference.Handle);
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try
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@ -1614,6 +1630,7 @@ begin
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SelectObject(DC, SavedFontHandle);
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ReleaseDC(0, DC);
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end;
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{$ENDIF}
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end;
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function TVpLineWrapper.GetNextRectangle(ARegion: HRGN;
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