101 lines
2.3 KiB
Plaintext
101 lines
2.3 KiB
Plaintext
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(*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* http://www.opensource.org/licenses/cddl1.php.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* http://www.opensource.org/licenses/cddl1.php. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2008 Andreas Schneider
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*)
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unit URectList;
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{$mode objfpc}{$H+}
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interface
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uses
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SysUtils,Classes;
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type
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TRectList = class(TList)
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protected
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function GetRect(AIndex: Integer): TRect;
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procedure SetRect(AIndex: Integer; ARect: TRect);
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public
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function Add(ALeft, ATop, ARight, ABottom: Integer): Integer;
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procedure Clear; override;
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procedure Delete(AIndex: Integer); reintroduce;
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property Rects[Index: Integer]: TRect read GetRect write SetRect;
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end;
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PRect = ^TRect;
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implementation
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{ TRectList }
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function TRectList.GetRect(AIndex: Integer): TRect;
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begin
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Result := PRect(Items[AIndex])^;
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end;
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procedure TRectList.SetRect(AIndex: Integer; ARect: TRect);
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var
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internalRect: PRect;
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begin
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internalRect := Items[AIndex];
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System.Move(ARect, internalRect^, SizeOf(TRect));
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end;
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function TRectList.Add(ALeft, ATop, ARight, ABottom: Integer): Integer;
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var
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internalRect: PRect;
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begin
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new(internalRect);
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internalRect^.Left := ALeft;
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internalRect^.Top := ATop;
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internalRect^.Right := ARight;
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internalRect^.Bottom := ABottom;
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Result := inherited Add(internalRect);
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end;
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procedure TRectList.Clear;
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var
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i: Integer;
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internalRect: PRect;
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begin
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for i := 0 to Count - 1 do
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begin
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internalRect := Items[i];
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dispose(internalRect);
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end;
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inherited;
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end;
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procedure TRectList.Delete(AIndex: Integer);
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var
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internalRect: PRect;
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begin
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internalRect := Items[AIndex];
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dispose(internalRect);
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inherited Delete(AIndex);
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end;
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end.
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