CentrED

(*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License, Version 1.0 only

 * (the "License").  You may not use this file except in compliance

 * with the License.

 *

 * You can obtain a copy of the license at

 * http://www.opensource.org/licenses/cddl1.php.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at

 * http://www.opensource.org/licenses/cddl1.php.  If applicable,

 * add the following below this CDDL HEADER, with the fields enclosed

 * by brackets "[]" replaced with your own identifying * information:

 *      Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 *

 *

 *      Portions Copyright 2008 Andreas Schneider

 *)

unit URectList;

{$mode objfpc}{$H+}

interface

uses

  SysUtils,Classes;

type

  TRectList = class(TList)

  protected

    function GetRect(AIndex: Integer): TRect;

    procedure SetRect(AIndex: Integer; ARect: TRect);

  public

    function Add(ALeft, ATop, ARight, ABottom: Integer): Integer;

    procedure Clear; override;

    procedure Delete(AIndex: Integer); reintroduce;

    property Rects[Index: Integer]: TRect read GetRect write SetRect;

  end;

  PRect = ^TRect;

implementation

{ TRectList }

function TRectList.GetRect(AIndex: Integer): TRect;

begin

  Result := PRect(Items[AIndex])^;

end;

procedure TRectList.SetRect(AIndex: Integer; ARect: TRect);

var

  internalRect: PRect;

begin

  internalRect := Items[AIndex];

  System.Move(ARect, internalRect^, SizeOf(TRect));

end;

function TRectList.Add(ALeft, ATop, ARight, ABottom: Integer): Integer;

var

  internalRect: PRect;

begin

  new(internalRect);

  internalRect^.Left := ALeft;

  internalRect^.Top := ATop;

  internalRect^.Right := ARight;

  internalRect^.Bottom := ABottom;

  Result := inherited Add(internalRect);

end;

procedure TRectList.Clear;

var

  i: Integer;

  internalRect: PRect;

begin

  for i := 0 to Count - 1 do

  begin

    internalRect := Items[i];

    dispose(internalRect);

  end;

  inherited;

end;

procedure TRectList.Delete(AIndex: Integer);

var

  internalRect: PRect;

begin

  internalRect := Items[AIndex];

  dispose(internalRect);

  inherited Delete(AIndex);

end;

end.