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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.pdf;
import org.apache.fop.fonts.CIDFontType;
// based on work by Takayuki Takeuchi
/**
* Class representing a "character identifier" font (p 210 and onwards).
*/
public class PDFCIDFont extends PDFObject {
private String basefont;
private CIDFontType cidtype;
private Integer dw;
private PDFWArray w;
private int[] dw2;
private PDFWArray w2;
private PDFCIDSystemInfo systemInfo;
private PDFCIDFontDescriptor descriptor;
private PDFCMap cmap;
/**
* /CIDToGIDMap (only for CIDFontType2, see p 212)
* can be either "Identity" (default) or a PDFStream
*/
private PDFStream cidMap;
/**
* Create the /Font object
* @param basefont Name of the basefont
* @param cidtype CID type
* @param dw default width
* @param w array of character widths
* @param registry name of the issuer
* @param ordering Unique name of the font
* @param supplement Supplement number
* @param descriptor CID font descriptor
*/
public PDFCIDFont(String basefont, CIDFontType cidtype, int dw,
int[] w, String registry, String ordering,
int supplement, PDFCIDFontDescriptor descriptor) {
this(basefont, cidtype, dw,
new PDFWArray(w),
new PDFCIDSystemInfo(registry, ordering, supplement),
descriptor);
}
/**
* Create the /Font object
* @param basefont Name of the basefont
* @param cidtype CID type
* @param dw default width
* @param w array of character widths
* @param systemInfo CID system info
* @param descriptor CID font descriptor
*/
public PDFCIDFont(String basefont, CIDFontType cidtype, int dw,
int[] w, PDFCIDSystemInfo systemInfo,
PDFCIDFontDescriptor descriptor) {
this(basefont, cidtype, dw,
new PDFWArray(w),
systemInfo,
descriptor);
}
/**
* Create the /Font object
* @param basefont Name of the basefont
* @param cidtype CID type
* @param dw default width
* @param w array of character widths
* @param systemInfo CID system info
* @param descriptor CID font descriptor
*/
public PDFCIDFont(String basefont, CIDFontType cidtype, int dw,
PDFWArray w, PDFCIDSystemInfo systemInfo,
PDFCIDFontDescriptor descriptor) {
super();
this.basefont = basefont;
this.cidtype = cidtype;
this.dw = new Integer(dw);
this.w = w;
this.dw2 = null;
this.w2 = null;
this.systemInfo = systemInfo;
this.descriptor = descriptor;
this.cidMap = null;
this.cmap = null;
}
/**
* Set the /DW attribute
* @param dw the default width
*/
public void setDW(int dw) {
this.dw = new Integer(dw);
}
/**
* Set the /W array
* @param w the width array
*/
public void setW(PDFWArray w) {
this.w = w;
}
/**
* Set the (two elements) /DW2 array
* @param dw2 the default metrics for vertical writing
*/
public void setDW2(int[] dw2) {
this.dw2 = dw2;
}
/**
* Set the two elements of the /DW2 array
* @param posY position vector
* @param displacementY displacement vector
*/
public void setDW2(int posY, int displacementY) {
this.dw2 = new int[] {
posY, displacementY
};
}
/**
* Set the CMap used as /ToUnicode cmap
* @param cmap character map
*/
public void setCMAP(PDFCMap cmap) {
this.cmap = cmap;
}
/**
* Set the /W2 array
* @param w2 array of metrics for vertical writing
*/
public void setW2(PDFWArray w2) {
this.w2 = w2;
}
/**
* Set the /CIDToGIDMap (to be used only for CIDFontType2)
* @param map mapping information
*/
public void setCIDMap(PDFStream map) {
this.cidMap = map;
}
/**
* Set the /CIDToGIDMap (to be used only for CIDFontType2) to "Identity"
*/
public void setCIDMapIdentity() {
this.cidMap = null; // not an error here, simply use the default
}
/**
* Returns the PDF name for a certain CID font type.
* @param cidFontType CID font type
* @return corresponding PDF name
*/
protected String getPDFNameForCIDFontType(CIDFontType cidFontType) {
if (cidFontType == CIDFontType.CIDTYPE0) {
return cidFontType.getName();
} else if (cidFontType == CIDFontType.CIDTYPE2) {
return cidFontType.getName();
} else {
throw new IllegalArgumentException("Unsupported CID font type: "
+ cidFontType.getName());
}
}
/**
* @see org.apache.fop.pdf.PDFObject#toPDFString()
*/
public String toPDFString() {
StringBuffer p = new StringBuffer(128);
p.append(getObjectID());
p.append("<< /Type /Font");
p.append("\n/BaseFont /");
p.append(this.basefont);
if (cidMap != null) {
p.append(" \n/CIDToGIDMap ");
p.append(cidMap.referencePDF());
}
p.append(" \n/Subtype /");
p.append(getPDFNameForCIDFontType(this.cidtype));
p.append("\n");
p.append(systemInfo.toPDFString());
p.append("\n/FontDescriptor ");
p.append(this.descriptor.referencePDF());
if (cmap != null) {
p.append("\n/ToUnicode ");
p.append(cmap.referencePDF());
}
if (dw != null) {
p.append("\n/DW ");
p.append(this.dw);
}
if (w != null) {
p.append("\n/W ");
p.append(w.toPDFString());
}
if (dw2 != null) {
p.append("\n/DW2 ["); // always two values, see p 211
p.append(this.dw2[0]);
p.append(this.dw2[1]);
p.append("] \n>>\nendobj\n");
}
if (w2 != null) {
p.append("\n/W2 ");
p.append(w2.toPDFString());
p.append(" \n>>\nendobj\n");
}
p.append(" \n>>\nendobj\n");
return p.toString();
}
}
|
