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turn writing/de

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Dieser Artikel beschäftigt sich mit der Windowsprogrammierung.

Die Prozedur dreht im übergebenen Canvas-Objekt den übergebenen Schriftzug.

pascal
uses
  Graphics, Windows, ...;
  
  ...
  
{Übergabeparameter:
  Canvas-Objekt
  X-Position
  Y-Position
  zu verwendender Winkel}
  
procedure subSchriftDrehen(C: TCanvas; wrdX, wrdY: word; intWinkel: integer;
  strText: WideString);
  
var
  LogRec: TLOGFONT;
  
begin
  try
    GetObject(C.Font.Handle, SizeOf(LogRec), Addr(LogRec));
    LogRec.lfEscapement := Trunc(intWinkel * 10);
    C.Font.Handle := CreateFontIndirect(LogRec);
    C.TextOut(wrdX, wrdY, strText);
  finally;
    DeleteObject(C.Font.Handle);
  end;
end;
  
  ...

Beispiel für einen Aufruf der Prozedur:

pascal
  ...
subSchriftDrehen(Form1.Canvas, 30, 90, 40, 'Test');
  ...

From the Free Pascal wiki, page "turn writing/de", as it stood on 2020-03-02 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 1, last changed by WikiArchive .

Edited on wiki.freepascal.org by 3 people, 2013–2020

From the official wiki's backup of 26 May 2024: who edited this page there, and when. Edits made there after that date were not recorded, and the earlier versions are not shown here; the main page says why.

WhenWhoWhat changed
OlafCreated page
Olaf (minor)
Olaf (minor)
Olaf
Olaf (minor)
Olaf (minor)
Olaf (minor)
FTurtle
TrevFixed syntax highlighting; deleted category included in page template (minor)

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