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| Rev | Author | Line No. | Line |
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| 1 | daniel-mar | 1 | unit Unit1; |
| 2 | // Demo for reading from Zip Stream by Nikolaj Olsson (nikse@e-mail.dk) |
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| 3 | // amended April 11, 2005 R.Peters |
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| 4 | (************************************************************************ |
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| 5 | Copyright (C) 2009, 2010 by Russell J. Peters, Roger Aelbrecht, |
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| 6 | Eric W. Engler and Chris Vleghert. |
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| 7 | |||
| 8 | This file is part of TZipMaster Version 1.9. |
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| 9 | |||
| 10 | TZipMaster is free software: you can redistribute it and/or modify |
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| 11 | it under the terms of the GNU Lesser General Public License as published by |
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| 12 | the Free Software Foundation, either version 3 of the License, or |
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| 13 | (at your option) any later version. |
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| 14 | |||
| 15 | TZipMaster is distributed in the hope that it will be useful, |
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | GNU Lesser General Public License for more details. |
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| 19 | |||
| 20 | You should have received a copy of the GNU Lesser General Public License |
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| 21 | along with TZipMaster. If not, see <http://www.gnu.org/licenses/>. |
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| 22 | |||
| 23 | contact: problems@delphizip.org (include ZipMaster in the subject). |
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| 24 | updates: http://www.delphizip.org |
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| 25 | DelphiZip maillist subscribe at http://www.freelists.org/list/delphizip |
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| 26 | ************************************************************************) |
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| 27 | |||
| 28 | |||
| 29 | interface |
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| 30 | |||
| 31 | uses |
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| 32 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, |
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| 33 | ExtCtrls, StdCtrls, Buttons, ZipMstr19; |
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| 34 | |||
| 35 | type |
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| 36 | TForm1 = class(TForm) |
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| 37 | Image1: TImage; |
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| 38 | StaticText1: TStaticText; |
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| 39 | BtnPic1: TButton; |
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| 40 | BtnPic2: TButton; |
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| 41 | BtnPic3: TButton; |
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| 42 | procedure UnzipToImage(filename : string); |
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| 43 | procedure BtnPic3Click(Sender: TObject); |
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| 44 | procedure BtnPic1Click(Sender: TObject); |
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| 45 | procedure BtnPic2Click(Sender: TObject); |
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| 46 | procedure FormCreate(Sender: TObject); |
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| 47 | private |
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| 48 | ZipMaster1: TZipMaster19; |
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| 49 | public |
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| 50 | { Public declarations } |
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| 51 | end; |
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| 52 | |||
| 53 | var |
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| 54 | Form1: TForm1; |
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| 55 | // Stream1 : TZipstream; |
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| 56 | |||
| 57 | implementation |
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| 58 | |||
| 59 | {$R *.DFM} |
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| 60 | |||
| 61 | procedure TForm1.UnzipToImage(filename : string); |
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| 62 | var |
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| 63 | Stream1: TMemoryStream; |
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| 64 | begin |
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| 65 | if not ZipMaster1.{Unz}Busy then |
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| 66 | begin |
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| 67 | ZipMaster1.ZipFileName:= 'resource.zip'; |
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| 68 | if ZipMaster1.Count > 0 then |
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| 69 | begin |
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| 70 | ZipMaster1.Password:='password'; |
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| 71 | Stream1 := ZipMaster1.ExtractFileToStream(filename); |
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| 72 | if Stream1 <> nil then |
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| 73 | begin |
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| 74 | Stream1.Position := 0; // reset to the beginning of the stream |
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| 75 | StaticText1.Caption:='File Size: '+ IntToStr(Stream1.Size); |
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| 76 | Image1.Picture.Bitmap.LoadFromStream(Stream1); |
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| 77 | end |
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| 78 | else |
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| 79 | StaticText1.Caption:='extraction error'; |
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| 80 | end |
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| 81 | else |
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| 82 | StaticText1.Caption:='resource.zip not found or empty'; |
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| 83 | end; |
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| 84 | end; |
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| 85 | |||
| 86 | procedure TForm1.BtnPic3Click(Sender: TObject); |
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| 87 | begin |
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| 88 | UnzipToImage('eye.bmp'); |
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| 89 | end; |
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| 90 | |||
| 91 | procedure TForm1.FormCreate(Sender: TObject); |
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| 92 | begin |
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| 93 | ZipMaster1 := TZipMaster19.Create(self); |
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| 94 | ZipMaster1.DLLDirectory := '..\..\DLL\'; |
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| 95 | end; |
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| 96 | |||
| 97 | procedure TForm1.BtnPic1Click(Sender: TObject); |
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| 98 | begin |
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| 99 | UnzipToImage('paintbrush.bmp'); |
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| 100 | end; |
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| 101 | |||
| 102 | procedure TForm1.BtnPic2Click(Sender: TObject); |
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| 103 | begin |
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| 104 | UnzipToImage('Spectrum.bmp'); |
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| 105 | end; |
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| 106 | |||
| 107 | end. |