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fpc/rtl/objpas/types.pp

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ObjectPascal
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{
This file is part of the Free Pascal run time library.
Copyright (c) 2002 by Florian Klaempfl,
member of the Free Pascal development team.
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{$MODE OBJFPC}
unit types;
interface
{$ifdef Windows}
uses
Windows;
{$endif Windows}
{$ifdef wince}
//roozbeh:the reason is currently RT_RCDATA is defines in windows for wince as constant,
// but in win32 it is function so here is required to redeclared.
//RT_RCDATA = PWideChar(10);
{$else}
const
RT_RCDATA = PChar(10);
{$endif}
type
DWORD = LongWord;
PLongint = System.PLongint;
PSmallInt = System.PSmallInt;
{$ifndef FPUNONE}
PDouble = System.PDouble;
{$endif}
PByte = System.PByte;
Largeint = int64;
LARGE_INT = LargeInt;
PLargeInt = ^LargeInt;
LargeUint = qword;
LARGE_UINT= LargeUInt;
PLargeuInt = ^LargeuInt;
TIntegerDynArray = array of Integer;
TCardinalDynArray = array of Cardinal;
TWordDynArray = array of Word;
TSmallIntDynArray = array of SmallInt;
TByteDynArray = array of Byte;
TShortIntDynArray = array of ShortInt;
TInt64DynArray = array of Int64;
TQWordDynArray = array of QWord;
TLongWordDynArray = array of LongWord;
{$ifndef FPUNONE}
TSingleDynArray = array of Single;
TDoubleDynArray = array of Double;
{$endif}
TBooleanDynArray = array of Boolean;
TStringDynArray = array of AnsiString;
TWideStringDynArray = array of WideString;
TPointerDynArray = array of Pointer;
{$ifdef Windows}
TPoint = Windows.TPoint;
{$else}
TPoint =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
X : Longint;
Y : Longint;
end;
{$endif}
PPoint = ^TPoint;
tagPOINT = TPoint;
{$ifdef Windows}
TRect = Windows.TRect;
{$else}
TRect =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
case Integer of
0: (Left,Top,Right,Bottom : Longint);
1: (TopLeft,BottomRight : TPoint);
end;
{$endif Windows}
PRect = ^TRect;
{$ifdef Windows}
TSize = Windows.TSize;
{$else}
TSize =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
cx : Longint;
cy : Longint;
end;
{$endif Windows}
PSize = ^TSize;
tagSIZE = TSize;
// SIZE = TSize;
TSmallPoint =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
x : SmallInt;
y : SmallInt;
end;
PSmallPoint = ^TSmallPoint;
TDuplicates = (dupIgnore, dupAccept, dupError);
type
TOleChar = WideChar;
POleStr = PWideChar;
PPOleStr = ^POleStr;
TListCallback = procedure(data,arg:pointer) of object;
TListStaticCallback = procedure(data,arg:pointer);
const
GUID_NULL: TGUID = '{00000000-0000-0000-0000-000000000000}';
STGTY_STORAGE = 1;
STGTY_STREAM = 2;
STGTY_LOCKBYTES = 3;
STGTY_PROPERTY = 4;
STREAM_SEEK_SET = 0;
STREAM_SEEK_CUR = 1;
STREAM_SEEK_END = 2;
LOCK_WRITE = 1;
LOCK_EXCLUSIVE = 2;
LOCK_ONLYONCE = 4;
STATFLAG_DEFAULT = 0;
STATFLAG_NONAME = 1;
STATFLAG_NOOPEN = 2;
{$ifndef Wince}
// in Wince these are in unit windows. Under 32/64 in ActiveX.
// for now duplicate them. Not that bad for untyped constants.
E_FAIL = HRESULT($80004005);
E_INVALIDARG = HRESULT($80070057);
STG_E_INVALIDFUNCTION = HRESULT($80030001);
STG_E_FILENOTFOUND = HRESULT($80030002);
STG_E_PATHNOTFOUND = HRESULT($80030003);
STG_E_TOOMANYOPENFILES = HRESULT($80030004);
STG_E_ACCESSDENIED = HRESULT($80030005);
STG_E_INVALIDHANDLE = HRESULT($80030006);
STG_E_INSUFFICIENTMEMORY = HRESULT($80030008);
STG_E_INVALIDPOINTER = HRESULT($80030009);
STG_E_NOMOREFILES = HRESULT($80030012);
STG_E_DISKISWRITEPROTECTED = HRESULT($80030013);
STG_E_SEEKERROR = HRESULT($80030019);
STG_E_WRITEFAULT = HRESULT($8003001D);
STG_E_READFAULT = HRESULT($8003001E);
STG_E_SHAREVIOLATION = HRESULT($80030020);
STG_E_LOCKVIOLATION = HRESULT($80030021);
STG_E_FILEALREADYEXISTS = HRESULT($80030050);
STG_E_INVALIDPARAMETER = HRESULT($80030057);
STG_E_MEDIUMFULL = HRESULT($80030070);
STG_E_PROPSETMISMATCHED = HRESULT($800300F0);
STG_E_ABNORMALAPIEXIT = HRESULT($800300FA);
STG_E_INVALIDHEADER = HRESULT($800300FB);
STG_E_INVALIDNAME = HRESULT($800300FC);
STG_E_UNKNOWN = HRESULT($800300FD);
STG_E_UNIMPLEMENTEDFUNCTION = HRESULT($800300FE);
STG_E_INVALIDFLAG = HRESULT($800300FF);
STG_E_INUSE = HRESULT($80030100);
STG_E_NOTCURRENT = HRESULT($80030101);
STG_E_REVERTED = HRESULT($80030102);
STG_E_CANTSAVE = HRESULT($80030103);
STG_E_OLDFORMAT = HRESULT($80030104);
STG_E_OLDDLL = HRESULT($80030105);
STG_E_SHAREREQUIRED = HRESULT($80030106);
STG_E_EXTANTMARSHALLINGS = HRESULT($80030108);
STG_E_DOCFILECORRUPT = HRESULT($80030109);
STG_E_BADBASEADDRESS = HRESULT($80030110);
STG_E_INCOMPLETE = HRESULT($80030201);
STG_E_TERMINATED = HRESULT($80030202);
STG_S_CONVERTED = $00030200;
STG_S_BLOCK = $00030201;
STG_S_RETRYNOW = $00030202;
STG_S_MONITORING = $00030203;
{$endif}
{$ifndef Windows}
type
PCLSID = PGUID;
TCLSID = TGUID;
PDWord = ^DWord;
PDisplay = Pointer;
PEvent = Pointer;
TXrmOptionDescRec = record
end;
XrmOptionDescRec = TXrmOptionDescRec;
PXrmOptionDescRec = ^TXrmOptionDescRec;
Widget = Pointer;
WidgetClass = Pointer;
ArgList = Pointer;
Region = Pointer;
_FILETIME =
{$ifndef FPC_REQUIRES_PROPER_ALIGNMENT}
packed
{$endif FPC_REQUIRES_PROPER_ALIGNMENT}
record
dwLowDateTime : DWORD;
dwHighDateTime : DWORD;
end;
TFileTime = _FILETIME;
FILETIME = _FILETIME;
PFileTime = ^TFileTime;
{$else}
type
PCLSID = Windows.PCLSID;
TCLSID = Windows.CLSID;
TFiletime = Windows.TFileTime;
Filetime = Windows.FileTime;
PFiletime = Windows.PFileTime;
{$endif Windows}
type
tagSTATSTG = record
pwcsName : POleStr;
dwType : DWord;
cbSize : Large_uint;
mtime : TFileTime;
ctime : TFileTime;
atime : TFileTime;
grfMode : DWord;
grfLocksSupported : DWord;
clsid : TCLSID;
grfStateBits : DWord;
reserved : DWord;
end;
TStatStg = tagSTATSTG;
STATSTG = TStatStg;
PStatStg = ^TStatStg;
{ classes depends on these interfaces, we can't use the activex unit in classes though }
IClassFactory = Interface(IUnknown) ['{00000001-0000-0000-C000-000000000046}']
Function CreateInstance(Const unkOuter : IUnknown;Const riid : TGUID;Out vObject) : HResult;StdCall;
Function LockServer(fLock : LongBool) : HResult;StdCall;
End;
ISequentialStream = interface(IUnknown)
['{0c733a30-2a1c-11ce-ade5-00aa0044773d}']
function Read(pv : Pointer;cb : DWORD;pcbRead : PDWORD) : HRESULT;stdcall;
function Write(pv : Pointer;cb : DWORD;pcbWritten : PDWORD): HRESULT;stdcall;
end;
IStream = interface(ISequentialStream) ['{0000000C-0000-0000-C000-000000000046}']
function Seek(dlibMove : LargeInt; dwOrigin : Longint;
out libNewPosition : LargeInt) : HResult;stdcall;
function SetSize(libNewSize : LargeInt) : HRESULT;stdcall;
function CopyTo(stm: IStream;cb : LargeInt;out cbRead : LargeInt;
out cbWritten : LargeInt) : HRESULT;stdcall;
function Commit(grfCommitFlags : Longint) : HRESULT;stdcall;
function Revert : HRESULT;stdcall;
function LockRegion(libOffset : LargeInt;cb : LargeInt;
dwLockType : Longint) : HRESULT;stdcall;
function UnlockRegion(libOffset : LargeInt;cb : LargeInt;
dwLockType : Longint) : HRESULT;stdcall;
Function Stat(out statstg : TStatStg;grfStatFlag : Longint) : HRESULT;stdcall;
function Clone(out stm : IStream) : HRESULT;stdcall;
end;
function EqualRect(const r1,r2 : TRect) : Boolean;
function Rect(Left,Top,Right,Bottom : Integer) : TRect;
function Bounds(ALeft,ATop,AWidth,AHeight : Integer) : TRect;
function Point(x,y : Integer) : TPoint; inline;
function PtInRect(const Rect : TRect; const p : TPoint) : Boolean;
function IntersectRect(var Rect : TRect; const R1,R2 : TRect) : Boolean;
function UnionRect(var Rect : TRect; const R1,R2 : TRect) : Boolean;
function IsRectEmpty(const Rect : TRect) : Boolean;
function OffsetRect(var Rect : TRect;DX : Integer;DY : Integer) : Boolean;
function CenterPoint(const Rect: TRect): TPoint;
function InflateRect(var Rect: TRect; dx: Integer; dy: Integer): Boolean;
function Size(AWidth, AHeight: Integer): TSize;
function Size(const ARect: TRect): TSize;
implementation
function EqualRect(const r1,r2 : TRect) : Boolean;
begin
EqualRect:=(r1.left=r2.left) and (r1.right=r2.right) and (r1.top=r2.top) and (r1.bottom=r2.bottom);
end;
function Rect(Left,Top,Right,Bottom : Integer) : TRect;
begin
Rect.Left:=Left;
Rect.Top:=Top;
Rect.Right:=Right;
Rect.Bottom:=Bottom;
end;
function Bounds(ALeft,ATop,AWidth,AHeight : Integer) : TRect;
begin
Bounds.Left:=ALeft;
Bounds.Top:=ATop;
Bounds.Right:=ALeft+AWidth;
Bounds.Bottom:=ATop+AHeight;
end;
function Point(x,y : Integer) : TPoint; inline;
begin
Point.x:=x;
Point.y:=y;
end;
function PtInRect(const Rect : TRect;const p : TPoint) : Boolean;
begin
PtInRect:=(p.y>=Rect.Top) and
(p.y<Rect.Bottom) and
(p.x>=Rect.Left) and
(p.x<Rect.Right);
end;
function IntersectRect(var Rect : TRect;const R1,R2 : TRect) : Boolean;
var
lRect: TRect;
begin
lRect := R1;
if R2.Left > R1.Left then
lRect.Left := R2.Left;
if R2.Top > R1.Top then
lRect.Top := R2.Top;
if R2.Right < R1.Right then
lRect.Right := R2.Right;
if R2.Bottom < R1.Bottom then
lRect.Bottom := R2.Bottom;
// The var parameter is only assigned in the end to avoid problems
// when passing the same rectangle in the var and const parameters.
// See http://bugs.freepascal.org/view.php?id=17722
if IsRectEmpty(lRect) then
begin
FillChar(Rect,SizeOf(Rect),0);
IntersectRect:=false;
end
else
begin
IntersectRect:=true;
Rect := lRect;
end;
end;
function UnionRect(var Rect : TRect;const R1,R2 : TRect) : Boolean;
var
lRect: TRect;
begin
lRect:=R1;
if R2.Left<R1.Left then
lRect.Left:=R2.Left;
if R2.Top<R1.Top then
lRect.Top:=R2.Top;
if R2.Right>R1.Right then
lRect.Right:=R2.Right;
if R2.Bottom>R1.Bottom then
lRect.Bottom:=R2.Bottom;
if IsRectEmpty(lRect) then
begin
FillChar(Rect,SizeOf(Rect),0);
UnionRect:=false;
end
else
begin
Rect:=lRect;
UnionRect:=true;
end;
end;
function IsRectEmpty(const Rect : TRect) : Boolean;
begin
IsRectEmpty:=(Rect.Right<=Rect.Left) or (Rect.Bottom<=Rect.Top);
end;
function OffsetRect(var Rect : TRect;DX : Integer;DY : Integer) : Boolean;
begin
if assigned(@Rect) then
begin
with Rect do
begin
inc(Left,dx);
inc(Top,dy);
inc(Right,dx);
inc(Bottom,dy);
end;
OffsetRect:=true;
end
else
OffsetRect:=false;
end;
function Avg(a, b: Longint): Longint;
begin
if a < b then
Result := a + ((b - a) shr 1)
else
Result := b + ((a - b) shr 1);
end;
function CenterPoint(const Rect: TRect): TPoint;
begin
with Rect do
begin
Result.X := Avg(Left, Right);
Result.Y := Avg(Top, Bottom);
end;
end;
function InflateRect(var Rect: TRect; dx: Integer; dy: Integer): Boolean;
begin
if Assigned(@Rect) then
begin
with Rect do
begin
dec(Left, dx);
dec(Top, dy);
inc(Right, dx);
inc(Bottom, dy);
end;
Result := True;
end
else
Result := False;
end;
function Size(AWidth, AHeight: Integer): TSize;
begin
Result.cx := AWidth;
Result.cy := AHeight;
end;
function Size(const ARect: TRect): TSize;
begin
Result.cx := ARect.Right - ARect.Left;
Result.cy := ARect.Bottom - ARect.Top;
end;
end.
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