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{%MainUnit ../graphics.pp}
{ TSharedRasterImage
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
constructor TSharedRasterImage.Create;
begin
inherited Create;
end;
destructor TSharedRasterImage.Destroy;
begin
FreeAndNil(FSaveStream);
FreeHandle;
inherited Destroy;
end;
function TSharedRasterImage.HandleAllocated: boolean;
begin
Result := FHandle <> 0;
end;
procedure TSharedRasterImage.FreeHandle;
begin
if FHandle = 0 then Exit;
DeleteObject(FHandle);
FHandle := 0;
end;
function TSharedRasterImage.ReleaseHandle: TLCLHandle;
// simply return the current handle and set to 0 without freeing handles
begin
Result := FHandle;
FHandle := 0;
end;
function TSharedRasterImage.IsEmpty: boolean;
begin
Result := (FHandle = 0) and (SaveStream = nil);
end;
// included by graphics.pp
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