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{
*****************************************************************************
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
Authors: Alexander Klenin
}
unit TAPrint;
{$H+}
interface
uses
Printers, TADrawerCanvas;
type
{ TPrinterDrawer }
TPrinterDrawer = class(TCanvasDrawer)
private
FPrinter: TPrinter;
FCoeff: Double;
public
constructor Create(APrinter: TPrinter);
function Scale(ADistance: Integer): Integer; override;
end;
implementation
uses
Forms, Math;
{ TPrinterDrawer }
constructor TPrinterDrawer.Create(APrinter: TPrinter);
begin
FPrinter := APrinter;
inherited Create(FPrinter.Canvas);
FCoeff := Max(FPrinter.XDPI, FPrinter.YDPI) / Screen.PixelsPerInch;
end;
function TPrinterDrawer.Scale(ADistance: Integer): Integer;
begin
Result := Round(ADistance * FCoeff);
end;
end.
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