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Java > Open Source Codes > org > pdfbox > pdmodel > graphics > color > PDDeviceCMYK


1 /**
2  * Copyright (c) 2004, www.pdfbox.org
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * 3. Neither the name of pdfbox; nor the names of its
14  * contributors may be used to endorse or promote products derived from this
15  * software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * http://www.pdfbox.org
29  *
30  */
31 package org.pdfbox.pdmodel.graphics.color;
32
33 import java.awt.color.ColorSpace JavaDoc;
34 import java.awt.color.ICC_ColorSpace JavaDoc;
35 import java.awt.color.ICC_Profile JavaDoc;
36 import java.awt.image.ColorModel JavaDoc;
37
38 import java.io.InputStream JavaDoc;
39 import java.io.IOException JavaDoc;
40
41 import org.pdfbox.util.ResourceLoader;
42
43 /**
44  * This class represents a CMYK color space.
45  *
46  * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
47  * @version $Revision: 1.6 $
48  */
49 public class PDDeviceCMYK extends PDColorSpace
50 {
51     /**
52      * The single instance of this class.
53      */
54     public static final PDDeviceCMYK INSTANCE = new PDDeviceCMYK();
55     
56     /**
57      * The name of this color space.
58      */
59     public static final String JavaDoc NAME = "DeviceCMYK";
60
61     /**
62      * The abbreviated name of this color space.
63      */
64     public static final String JavaDoc ABBREVIATED_NAME = "CMYK";
65     
66     private ColorSpace JavaDoc cSpace = null;
67     
68     private PDDeviceCMYK()
69     {
70         
71     }
72
73     /**
74      * This will return the name of the color space.
75      *
76      * @return The name of the color space.
77      */
78     public String JavaDoc getName()
79     {
80         return NAME;
81     }
82
83     /**
84      * This will get the number of components that this color space is made up of.
85      *
86      * @return The number of components in this color space.
87      *
88      * @throws IOException If there is an error getting the number of color components.
89      */
90     public int getNumberOfComponents() throws IOException JavaDoc
91     {
92         return 4;
93     }
94
95     /**
96      * Create a Java colorspace for this colorspace.
97      *
98      * @return A color space that can be used for Java AWT operations.
99      *
100      * @throws IOException If there is an error creating the color space.
101      */
102     public ColorSpace JavaDoc createColorSpace() throws IOException JavaDoc
103     {
104         if( cSpace == null )
105         {
106             InputStream JavaDoc profile = null;
107             try
108             {
109                 profile = ResourceLoader.loadResource( "Resources/colorspace-profiles/CMYK.pf" );
110                 ICC_Profile JavaDoc iccProfile = ICC_Profile.getInstance( profile );
111                 cSpace = new ICC_ColorSpace JavaDoc( iccProfile );
112             }
113             finally
114             {
115                 if( profile != null )
116                 {
117                     profile.close();
118                 }
119             }
120         }
121         return cSpace;
122     }
123     
124     /**
125      * Create a Java color model for this colorspace.
126      *
127      * @param bpc The number of bits per component.
128      *
129      * @return A color model that can be used for Java AWT operations.
130      *
131      * @throws IOException If there is an error creating the color model.
132      */
133     public ColorModel JavaDoc createColorModel( int bpc ) throws IOException JavaDoc
134     {
135         throw new IOException JavaDoc( "Not implemented" );
136     }
137 }
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