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MyPresenter1.0/bgrabitmap/winstream.inc
2015-02-08 16:52:18 -08:00

54 lines
1.2 KiB
PHP

function WinReadLongint(Stream: TStream): longint;
begin
Result := 0;
stream.Read(Result, sizeof(Result));
Result := LEtoN(Result);
end;
procedure WinWriteLongint(Stream: TStream; AValue: LongInt);
begin
AValue := NtoLE(AValue);
stream.Write(AValue, sizeof(AValue));
end;
function WinReadByte(Stream: TStream): byte;
begin
Result := 0;
stream.Read(Result, sizeof(Result));
end;
procedure WinWriteByte(Stream: TStream; AValue: Byte);
begin
stream.Write(AValue, sizeof(AValue));
end;
function WinReadSingle(Stream: TStream): single;
var
ResultAsDWord : longword absolute result;
begin
ResultAsDWord := 0;
stream.Read(ResultAsDWord, sizeof(Result));
ResultAsDWord := LEtoN(ResultAsDWord);
end;
procedure WinWriteSingle(Stream: TStream; AValue: single);
var
ValueAsDWord : longword absolute AValue;
begin
ValueAsDWord := NtoLE(ValueAsDWord);
stream.Write(ValueAsDWord, sizeof(AValue));
end;
procedure WinWritePointF(Stream: TStream; AValue: TPointF);
begin
WinWriteSingle(Stream,AValue.x);
WinWriteSingle(Stream,AValue.y);
end;
function WinReadPointF(Stream: TStream): TPointF;
begin
result.x := WinReadSingle(Stream);
result.y := WinReadSingle(Stream);
end;