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Java > Open Source Codes > com > lowagie > tools > arguments > ImageFilter


1 /*
2  * $Id: ImageFilter.java,v 1.1 2005/03/25 14:28:11 blowagie Exp $
3  * $Name: $
4  *
5  * Copyright 2005 by Bruno Lowagie.
6  *
7  * The contents of this file are subject to the Mozilla Public License Version 1.1
8  * (the "License"); you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the License.
14  *
15  * The Original Code is 'iText, a free JAVA-PDF library'.
16  *
17  * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
18  * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
19  * All Rights Reserved.
20  * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
21  * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
22  *
23  * Contributor(s): all the names of the contributors are added in the source code
24  * where applicable.
25  *
26  * Alternatively, the contents of this file may be used under the terms of the
27  * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
28  * provisions of LGPL are applicable instead of those above. If you wish to
29  * allow use of your version of this file only under the terms of the LGPL
30  * License and not to allow others to use your version of this file under
31  * the MPL, indicate your decision by deleting the provisions above and
32  * replace them with the notice and other provisions required by the LGPL.
33  * If you do not delete the provisions above, a recipient may use your version
34  * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Library General Public License as published by the Free Software Foundation;
39  * either version 2 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
43  * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
44  * details.
45  *
46  * If you didn't download this code from the following link, you should check if
47  * you aren't using an obsolete version:
48  * http://www.lowagie.com/iText/
49  */
50 package com.lowagie.tools.arguments;
51
52 import java.io.File;
53
54 import javax.swing.filechooser.FileFilter;
55
56 /**
57  * Filters images in a FileChooser.
58  */
59 public class ImageFilter extends FileFilter {
60
61     /** Array with all kinds of image extensions. */
62     public static final String[] IMAGES = new String[8];
63     static {
64         IMAGES[0] = ".jpg";
65         IMAGES[1] = ".jpeg";
66         IMAGES[2] = ".png";
67         IMAGES[3] = ".gif";
68         IMAGES[4] = ".bmp";
69         IMAGES[5] = ".wmf";
70         IMAGES[6] = ".tif";
71         IMAGES[7] = ".tiff";
72     }
73     
74     /** array that enables you to filter on imagetypes. */
75     public boolean[] filter = new boolean[8];
76
77     /**
78      * Constructs an ImageFilter allowing all images.
79      */
80     public ImageFilter() {
81         for (int i = 0; i < filter.length; i++) {
82             filter[i] = true;
83         }
84     }
85     
86     /**
87      * Constructs an ImageFilter allowing some images.
88      * @param jpeg indicates if jpegs are allowed
89      * @param png indicates if pngs are allowed
90      * @param gif indicates if gifs are allowed
91      * @param bmp indicates if bmps are allowed
92      * @param wmf indicates if wmfs are allowed
93      * @param tiff indicates if tiffs are allowed
94      */
95     public ImageFilter(boolean jpeg, boolean png, boolean gif, boolean bmp, boolean wmf, boolean tiff) {
96         if (jpeg) {
97             filter[0] = true;
98             filter[1] = true;
99         }
100         if (png) {
101             filter[2] = true;
102         }
103         if (gif) {
104             filter[3] = true;
105         }
106         if (bmp) {
107             filter[4] = true;
108         }
109         if (wmf) {
110             filter[5] = true;
111         }
112         if (tiff) {
113             filter[6] = true;
114             filter[7] = true;
115         }
116     }
117     
118     /**
119      * @see javax.swing.filechooser.FileFilter#accept(java.io.File)
120      */
121     public boolean accept(File f) {
122         if (f.isDirectory()) return true;
123         for (int i = 0; i < IMAGES.length; i++) {
124             if (filter[i] && f.getName().endsWith(IMAGES[i])) return true;
125         }
126         return false;
127     }
128
129     /**
130      * @see javax.swing.filechooser.FileFilter#getDescription()
131      */
132     public String getDescription() {
133         return "Image files";
134     }
135 }
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