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51 package org.apache.fop.fonts.apps;
52
53 import java.io.File;
54 import java.io.InputStream;
55 import java.util.Map;
56 import java.util.List;
57 import java.util.Iterator;
58
59 import org.w3c.dom.*;
60
61 import org.apache.fop.fonts.type1.PFMFile;
62 import org.apache.avalon.framework.logger.AbstractLogEnabled;
63 import org.apache.avalon.framework.logger.ConsoleLogger;
64 import org.apache.avalon.framework.logger.Logger;
65
66
70 public class PFMReader extends AbstractLogEnabled {
71
72
74
75
82 private static String[] parseArguments(Map options, String[] args) {
83 List arguments = new java.util.ArrayList();
84 for (int i = 0; i < args.length; i++) {
85 if (args[i].startsWith("-")) {
86 if ((i + 1) < args.length &&!args[i + 1].startsWith("-")) {
87 options.put(args[i], args[i + 1]);
88 i++;
89 } else {
90 options.put(args[i], "");
91 }
92 } else {
93 arguments.add(args[i]);
94 }
95 }
96
97 String[] argStrings = new String[arguments.size()];
98 arguments.toArray(argStrings);
99 return argStrings;
100 }
101
102 private void displayUsage() {
103 getLogger().info(" java org.apache.fop.fonts.apps.PFMReader [options] metricfile.pfm xmlfile.xml");
104 getLogger().info(" where options can be:");
105 getLogger().info(" -fn <fontname>");
106 getLogger().info(" default is to use the fontname in the .pfm file, but");
107 getLogger().info(" you can override that name to make sure that the");
108 getLogger().info(" embedded font is used (if you're embedding fonts)");
109 getLogger().info(" instead of installed fonts when viewing documents with Acrobat Reader.");
110 }
111
112
113
132 public static void main(String[] args) {
133 String embFile = null;
134 String embResource = null;
135 String className = null;
136 String fontName = null;
137
138 Map options = new java.util.HashMap();
139 String[] arguments = parseArguments(options, args);
140
141 PFMReader app = new PFMReader();
142 Logger log;
143 if (options.get("-d") != null) {
144 log = new ConsoleLogger(ConsoleLogger.LEVEL_DEBUG);
145 } else {
146 log = new ConsoleLogger(ConsoleLogger.LEVEL_INFO);
147 }
148 app.enableLogging(log);
149
150
152 log.info("PFM Reader v1.1");
153 log.info("");
154
155 if (options.get("-ef") != null) {
156 embFile = (String)options.get("-ef");
157 }
158
159 if (options.get("-er") != null) {
160 embResource = (String)options.get("-er");
161 }
162
163 if (options.get("-fn") != null) {
164 fontName = (String)options.get("-fn");
165 }
166
167 if (options.get("-cn") != null) {
168 className = (String)options.get("-cn");
169 }
170
171 if (arguments.length != 2 || options.get("-h") != null
172 || options.get("-help") != null || options.get("--help") != null) {
173 app.displayUsage();
174 } else {
175 PFMFile pfm = app.loadPFM(arguments[0]);
176 if (pfm != null) {
177 app.preview(pfm);
178
179 org.w3c.dom.Document doc = app.constructFontXML(pfm,
180 fontName, className, embResource, embFile);
181
182 app.writeFontXML(doc, arguments[1]);
183 }
184 }
185 }
186
187
188
194 public PFMFile loadPFM(String filename) {
195 try {
196 getLogger().info("Reading " + filename + "...");
197 getLogger().info("");
198 InputStream in = new java.io.FileInputStream(filename);
199 try {
200 PFMFile pfm = new PFMFile();
201 setupLogger(pfm);
202 pfm.load(in);
203 return pfm;
204 } finally {
205 in.close();
206 }
207 } catch (Exception e) {
208 e.printStackTrace();
209 return null;
210 }
211 }
212
213
218 public void preview(PFMFile pfm) {
219 getLogger().info("Font: " + pfm.getWindowsName());
220 getLogger().info("Name: " + pfm.getPostscriptName());
221 getLogger().info("CharSet: " + pfm.getCharSetName());
222 getLogger().info("CapHeight: " + pfm.getCapHeight());
223 getLogger().info("XHeight: " + pfm.getXHeight());
224 getLogger().info("LowerCaseAscent: " + pfm.getLowerCaseAscent());
225 getLogger().info("LowerCaseDescent: " + pfm.getLowerCaseDescent());
226 getLogger().info("Having widths for " + (pfm.getLastChar() - pfm.getFirstChar())
227 +" characters (" + pfm.getFirstChar()
228 + "-" + pfm.getLastChar() + ").");
229 getLogger().info("for example: Char " + pfm.getFirstChar()
230 + " has a width of " + pfm.getCharWidth(pfm.getFirstChar()));
231 getLogger().info("");
232 }
233
234
240 public void writeFontXML(org.w3c.dom.Document doc, String target) {
241 getLogger().info("Writing xml font file " + target + "...");
242 getLogger().info("");
243
244 try {
245 javax.xml.transform.TransformerFactory.newInstance()
246 .newTransformer().transform(
247 new javax.xml.transform.dom.DOMSource(doc),
248 new javax.xml.transform.stream.StreamResult(new File(target)));
249 } catch (Exception e) {
250 e.printStackTrace();
251 }
252 }
253
254
260 public org.w3c.dom.Document constructFontXML(PFMFile pfm,
261 String fontName, String className, String resource, String file) {
262 getLogger().info("Creating xml font file...");
263 getLogger().info("");
264
265 Document doc;
267 try {
268 doc = javax.xml.parsers.DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
269 }
270 catch (javax.xml.parsers.ParserConfigurationException e) {
271 System.out.println("Can't create DOM implementation "+e.getMessage());
272 return null;
273 }
274 Element root = doc.createElement("font-metrics");
275 doc.appendChild(root);
276 root.setAttribute("type", "TYPE1");
277
278 Element el = doc.createElement("font-name");
279 root.appendChild(el);
280 el.appendChild(doc.createTextNode(pfm.getPostscriptName()));
281
282 String s = pfm.getPostscriptName();
283 int pos = s.indexOf("-");
284 if (pos >= 0) {
285 char sb[] = new char[s.length() - 1];
286 s.getChars(0, pos, sb, 0);
287 s.getChars(pos + 1, s.length(), sb, pos);
288 s = new String(sb);
289 }
290
291 el = doc.createElement("embed");
292 root.appendChild(el);
293 if (file != null) {
294 el.setAttribute("file", file);
295 }
296 if (resource != null) {
297 el.setAttribute("class", resource);
298 }
299
300 el = doc.createElement("encoding");
301 root.appendChild(el);
302 el.appendChild(doc.createTextNode(pfm.getCharSetName() + "Encoding"));
303
304 el = doc.createElement("cap-height");
305 root.appendChild(el);
306 Integer value = new Integer(pfm.getCapHeight());
307 el.appendChild(doc.createTextNode(value.toString()));
308
309 el = doc.createElement("x-height");
310 root.appendChild(el);
311 value = new Integer(pfm.getXHeight());
312 el.appendChild(doc.createTextNode(value.toString()));
313
314 el = doc.createElement("ascender");
315 root.appendChild(el);
316 value = new Integer(pfm.getLowerCaseAscent());
317 el.appendChild(doc.createTextNode(value.toString()));
318
319 el = doc.createElement("descender");
320 root.appendChild(el);
321 value = new Integer(-pfm.getLowerCaseDescent());
322 el.appendChild(doc.createTextNode(value.toString()));
323
324 Element bbox = doc.createElement("bbox");
325 root.appendChild(bbox);
326 int[] bb = pfm.getFontBBox();
327 final String[] names = {"left", "bottom", "right", "top"};
328 for (int i = 0; i < names.length; i++) {
329 el = doc.createElement(names[i]);
330 bbox.appendChild(el);
331 value = new Integer(bb[i]);
332 el.appendChild(doc.createTextNode(value.toString()));
333 }
334
335 el = doc.createElement("flags");
336 root.appendChild(el);
337 value = new Integer(pfm.getFlags());
338 el.appendChild(doc.createTextNode(value.toString()));
339
340 el = doc.createElement("stemv");
341 root.appendChild(el);
342 value = new Integer(pfm.getStemV());
343 el.appendChild(doc.createTextNode(value.toString()));
344
345 el = doc.createElement("italicangle");
346 root.appendChild(el);
347 value = new Integer(pfm.getItalicAngle());
348 el.appendChild(doc.createTextNode(value.toString()));
349
350 el = doc.createElement("first-char");
351 root.appendChild(el);
352 value = new Integer(pfm.getFirstChar());
353 el.appendChild(doc.createTextNode(value.toString()));
354
355 el = doc.createElement("last-char");
356 root.appendChild(el);
357 value = new Integer(pfm.getLastChar());
358 el.appendChild(doc.createTextNode(value.toString()));
359
360 Element widths = doc.createElement("widths");
361 root.appendChild(widths);
362
363 for (short i = pfm.getFirstChar(); i <= pfm.getLastChar(); i++) {
364 el = doc.createElement("char");
365 widths.appendChild(el);
366 el.setAttribute("idx", Integer.toString(i));
367 el.setAttribute("wdt",
368 new Integer(pfm.getCharWidth(i)).toString());
369 }
370
371
372 for (Iterator enum = pfm.getKerning().keySet().iterator(); enum.hasNext(); ) {
374 Integer kpx1 = (Integer)enum.next();
375 el = doc.createElement("kerning");
376 el.setAttribute("kpx1", kpx1.toString());
377 root.appendChild(el);
378 Element el2 = null;
379
380 Map h2 = (Map)pfm.getKerning().get(kpx1);
381 for (Iterator enum2 = h2.keySet().iterator(); enum2.hasNext(); ) {
382 Integer kpx2 = (Integer)enum2.next();
383 el2 = doc.createElement("pair");
384 el2.setAttribute("kpx2", kpx2.toString());
385 Integer val = (Integer)h2.get(kpx2);
386 el2.setAttribute("kern", val.toString());
387 el.appendChild(el2);
388 }
389 }
390 return doc;
391 }
392
393
394 private String escapeString(String str) {
395 StringBuffer esc = new StringBuffer();
396
397 for (int i = 0; i < str.length(); i++) {
398 if (str.charAt(i) == '\\') {
399 esc.append("\\\\");
400 } else {
401 esc.append(str.charAt(i));
402 }
403 }
404
405 return esc.toString();
406 }
407
408 }
409
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