...stretch a bitmap?
Author: Frank Ditsche
// This function stretches a bitmap with specified number of pixels
// in horizontal, vertical dimension
// Example Call : ResizeBmp(Image1.Picture.Bitmap , 200 , 200);
// Diese Funktion zerrt eine Bitmap in die anzugebenden Pixel
// Beispielaufruf : ResizeBmp(Image1.Picture.Bitmap , 200 , 200);
function TForm1.ResizeBmp(bitmp: TBitmap; wid, hei: Integer): Boolean;
var
TmpBmp: TBitmap;
ARect: TRect;
begin
Result := False;
try
TmpBmp := TBitmap.Create;
try
TmpBmp.Width := wid;
TmpBmp.Height := hei;
ARect := Rect(0,0, wid, hei);
TmpBmp.Canvas.StretchDraw(ARect, Bitmp);
bitmp.Assign(TmpBmp);
finally
TmpBmp.Free;
end;
Result := True;
except
Result := False;
end;
end;
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