File: PdfGState.java

package info (click to toggle)
pdftk 1.44-7
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 5,824 kB
  • sloc: java: 52,396; cpp: 4,377; ansic: 249; makefile: 215; sh: 8
file content (134 lines) | stat: -rw-r--r-- 4,920 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*
 * Copyright 2003 Paulo Soares
 *
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 *
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */
package com.lowagie.text.pdf;

/** The graphic state dictionary.
 *
 * @author Paulo Soares (psoares@consiste.pt)
 */
public class PdfGState extends PdfDictionary {
    /** A possible blend mode */
    public static final PdfName BM_NORMAL = new PdfName("Normal");
    /** A possible blend mode */
    public static final PdfName BM_COMPATIBLE = new PdfName("Compatible");
    /** A possible blend mode */
    public static final PdfName BM_MULTIPLY = new PdfName("Multiply");
    /** A possible blend mode */
    public static final PdfName BM_SCREEN = new PdfName("Screen");
    /** A possible blend mode */
    public static final PdfName BM_OVERLAY = new PdfName("Overlay");
    /** A possible blend mode */
    public static final PdfName BM_DARKEN = new PdfName("Darken");
    /** A possible blend mode */
    public static final PdfName BM_LIGHTEN = new PdfName("Lighten");
    /** A possible blend mode */
    public static final PdfName BM_COLORDODGE = new PdfName("ColorDodge");
    /** A possible blend mode */
    public static final PdfName BM_COLORBURN = new PdfName("ColorBurn");
    /** A possible blend mode */
    public static final PdfName BM_HARDLIGHT = new PdfName("HardLight");
    /** A possible blend mode */
    public static final PdfName BM_SOFTLIGHT = new PdfName("SoftLight");
    /** A possible blend mode */
    public static final PdfName BM_DIFFERENCE = new PdfName("Difference");
    /** A possible blend mode */
    public static final PdfName BM_EXCLUSION = new PdfName("Exclusion");
    
    /**
     * Sets the flag whether to apply overprint for stroking.
     * @param ov
     */
    public void setOverPrintStroking(boolean ov) {
        put(PdfName.OP, ov ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
    }

    /**
     * Sets the flag whether to apply overprint for non stroking painting operations.
     * @param ov
     */
    public void setOverPrintNonStroking(boolean ov) {
        put(PdfName.op, ov ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
    }
    
    /**
     * Sets the current stroking alpha constant, specifying the constant shape or
     * constant opacity value to be used for stroking operations in the transparent
     * imaging model.
     * @param n
     */
    public void setStrokeOpacity(float n) {
        put(PdfName.CA, new PdfNumber(n));
    }
    
    /**
     * Sets the current stroking alpha constant, specifying the constant shape or
     * constant opacity value to be used for nonstroking operations in the transparent
     * imaging model.
     * @param n
     */
    public void setFillOpacity(float n) {
        put(PdfName.ca, new PdfNumber(n));
    }
    
    /**
     * The alpha source flag specifying whether the current soft mask
     * and alpha constant are to be interpreted as shape values (true)
     * or opacity values (false). 
     * @param v
     */
    public void setAlphaIsShape(boolean v) {
        put(PdfName.AIS, v ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
    }
    
    /**
     * Determines the behaviour of overlapping glyphs within a text object
     * in the transparent imaging model.
     * @param v
     */
    public void setTextKnockout(boolean v) {
        put(PdfName.TK, v ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
    }
    
    /**
     * The current blend mode to be used in the transparent imaging model.
     * @param bm
     */
    public void setBlendMode(PdfName bm) {
        put(PdfName.BM, bm);
    }
    
}