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51 package org.apache.fop.render.pdf.fonts;
52
53 import java.io.InputStream  ;
55 import java.io.BufferedInputStream ;
56 import java.util.Map ;
57 import java.net.URL ;
58
59 import org.apache.fop.messaging.MessageHandler;
61 import org.apache.fop.layout.FontDescriptor;
62 import org.apache.fop.pdf.PDFStream;
63 import org.apache.fop.pdf.PDFT1Stream;
64 import org.apache.fop.pdf.PDFTTFStream;
65 import org.apache.fop.render.pdf.CodePointMapping;
66 import org.apache.fop.render.pdf.Font;
67 import org.apache.fop.fonts.type1.PFBParser;
68 import org.apache.fop.fonts.type1.PFBData;
69 import org.apache.fop.tools.IOUtil;
70
71
72
75 public class SingleByteFont extends Font implements FontDescriptor {
76 public String fontName = null;
77 public String encoding = "WinAnsiEncoding";
78 private final CodePointMapping mapping
79 = CodePointMapping.getMapping("WinAnsiEncoding");
80
81 public int capHeight = 0;
82 public int xHeight = 0;
83 public int ascender = 0;
84 public int descender = 0;
85 public int[] fontBBox = {0, 0, 0, 0};
86
87 public URL embedFileName = null;
88 public String embedResourceName = null;
89 public PDFStream embeddedFont = null;
90
91 public int firstChar = 0;
92 public int lastChar = 255;
93 public int flags = 4;
94 public int stemV = 0;
95 public int italicAngle = 0;
96 public int missingWidth = 0;
97
98 public Map kerning = new java.util.HashMap ();
99 public boolean useKerning = true;
100
101 public int width[] = null;
102 public byte subType = 0;
103
104 public final boolean hasKerningInfo() {
105 return (useKerning & kerning.isEmpty());
106 }
107
108 public final Map getKerningInfo() {
109 if (useKerning) {
110 return kerning;
111 } else {
112 return new java.util.HashMap ();
113 }
114 }
115
116 public byte getSubType() {
117 return subType;
118 }
119
120 public int getAvgWidth() {
121 return -1;
122 }
123
124 public int getMinWidth() {
125 return -1;
126 }
127
128 public int getMaxWidth() {
129 return -1;
130 }
131
132 public int getleading() {
133 return -1;
134 }
135
136 public int getStemH() {
137 return 0;
138 }
139
140 public int getMissingWidth() {
141 return missingWidth;
142 }
143
144 public String getCharEncoding() {
145 return encoding;
146 }
147
148 public boolean isEmbeddable() {
149 return (embedFileName == null && embedResourceName == null) ? false
150 : true;
151 }
152
153
154 public PDFStream getFontFile(int i) {
155 InputStream instream = null;
156
157 if (embedFileName != null) try {
159 instream = embedFileName.openStream();
160 } catch (Exception e) {
161 MessageHandler.error("Failed to embed fontfile: "
162 + embedFileName);
163 }
164
165 if (instream == null && embedResourceName != null) try {
167 instream =
168 new BufferedInputStream (this.getClass().getResourceAsStream(embedResourceName));
169 } catch (Exception e) {
170 MessageHandler.error("Failed to embed fontresource: "
171 + embedResourceName);
172 }
173
174 if (instream == null) {
175 return (PDFStream)null;
176 }
177
178 try {
180 if (subType == org.apache.fop.pdf.PDFFont.TYPE1) {
181 PFBParser parser = new PFBParser();
182 PFBData pfb = parser.parsePFB(instream);
183 embeddedFont = new PDFT1Stream(i);
184 ((PDFT1Stream)embeddedFont).setData(pfb);
185 } else {
186 byte[] file = IOUtil.toByteArray(instream, 128000);
187 embeddedFont = new PDFTTFStream(i, file.length);
188 ((PDFTTFStream)embeddedFont).setData(file, file.length);
189 }
190
191 embeddedFont.addFilter("flate");
192 embeddedFont.addFilter("ascii-85");
193 instream.close();
194 } catch (Exception e) {
195 MessageHandler.error("Failed to read font data for embedded font: "+e.getMessage());
196 }
197
198 return (PDFStream)embeddedFont;
199 }
200
201 public String encoding() {
202 return encoding;
203 }
204
205 public String fontName() {
206 return fontName;
207 }
208
209 public int getAscender() {
210 return ascender;
211 }
212
213 public int getDescender() {
214 return descender;
215 }
216
217 public int getCapHeight() {
218 return capHeight;
219 }
220
221 public int getAscender(int size) {
222 return size * ascender;
223 }
224
225 public int getCapHeight(int size) {
226 return size * capHeight;
227 }
228
229 public int getDescender(int size) {
230 return size * descender;
231 }
232
233 public int getXHeight(int size) {
234 return size * xHeight;
235 }
236
237 public int getFlags() {
238 return flags;
239 }
240
241 public int[] getFontBBox() {
242 return fontBBox;
243 }
244
245 public int getItalicAngle() {
246 return italicAngle;
247 }
248
249 public int getStemV() {
250 return stemV;
251 }
252
253 public int getFirstChar() {
254 return 0;
255 }
257
258 public int getLastChar() {
259 return lastChar;
260 }
261
262 public int width(int i, int size) {
263 return size * width[i];
264 }
265
266 public int[] getWidths(int size) {
267 int[] arr = new int[width.length];
268 System.arraycopy(width, 0, arr, 0, width.length - 1);
269 for (int i = 0; i < arr.length; i++) {
270 arr[i] *= size;
271 }
272 return arr;
273 }
274
275 public char mapChar(char c) {
276 char d = mapping.mapChar(c);
277 if(d != 0) {
278 return d;
279 } else {
280 return '#';
281 }
282 }
283
284 }
285
286 |
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