OpenType


1   /*
2    * @(#)OpenType.java    1.24 03/12/19
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package java.awt.font;
9   
10  /**
11   * The <code>OpenType</code> interface represents OpenType and 
12   * TrueType fonts.  This interface makes it possible to obtain 
13   * <i>sfnt</i> tables from the font.  A particular 
14   * <code>Font</code> object can implement this interface.
15   * <p>
16   * For more information on TrueType fonts, see the 
17   * Apple TrueType Reference Manual 
18   * ( <a HREF="http://fonts.apple.com/TTRefMan/index.html">http://fonts.apple.com/TTRefMan/index.html</a> ).
19   * @version 10 Feb 1997
20   */
21  public interface OpenType {
22    
23    /* 51 tag types so far */
24  
25    /**
26     * Character to glyph mapping.  Table tag "cmap" in the Open
27     * Type Specification.
28     */  
29    public final static int       TAG_CMAP        = 0x636d6170;
30  
31    /**
32     * Font header.  Table tag "head" in the Open
33     * Type Specification.
34     */  
35    public final static int       TAG_HEAD        = 0x68656164;
36  
37    /**
38     * Naming table.  Table tag "name" in the Open
39     * Type Specification.
40     */  
41    public final static int       TAG_NAME        = 0x6e616d65;
42  
43    /**
44     * Glyph data.  Table tag "glyf" in the Open
45     * Type Specification.
46     */  
47    public final static int       TAG_GLYF        = 0x676c7966;
48  
49    /**
50     * Maximum profile.  Table tag "maxp" in the Open
51     * Type Specification.
52     */  
53    public final static int       TAG_MAXP        = 0x6d617870;
54  
55    /**
56     * CVT preprogram.  Table tag "prep" in the Open
57     * Type Specification.
58     */  
59    public final static int       TAG_PREP        = 0x70726570;
60  
61    /**
62     * Horizontal metrics.  Table tag "hmtx" in the Open
63     * Type Specification.
64     */  
65    public final static int       TAG_HMTX        = 0x686d7478;
66  
67    /**
68     * Kerning.  Table tag "kern" in the Open
69     * Type Specification.
70     */  
71    public final static int       TAG_KERN        = 0x6b65726e;
72  
73    /**
74     * Horizontal device metrics.  Table tag "hdmx" in the Open
75     * Type Specification.
76     */  
77    public final static int       TAG_HDMX        = 0x68646d78;
78  
79    /**
80     * Index to location.  Table tag "loca" in the Open
81     * Type Specification.
82     */  
83    public final static int       TAG_LOCA        = 0x6c6f6361;
84  
85    /**
86     * PostScript Information.  Table tag "post" in the Open
87     * Type Specification.
88     */ 
89    public final static int       TAG_POST        = 0x706f7374;
90  
91    /**
92     * OS/2 and Windows specific metrics.  Table tag "OS/2"
93     * in the Open Type Specification.
94     */  
95    public final static int       TAG_OS2 = 0x4f532f32;
96  
97    /**
98     * Control value table.  Table tag "cvt "
99     * in the Open Type Specification.
100    */  
101   public final static int       TAG_CVT = 0x63767420;
102 
103   /**
104    * Grid-fitting and scan conversion procedure.  Table tag 
105    * "gasp" in the Open Type Specification.
106    */  
107   public final static int       TAG_GASP        = 0x67617370;
108 
109   /**
110    * Vertical device metrics.  Table tag "VDMX" in the Open 
111    * Type Specification.
112    */  
113   public final static int       TAG_VDMX        = 0x56444d58;
114 
115   /**
116    * Vertical metrics.  Table tag "vmtx" in the Open
117    * Type Specification.
118    */  
119   public final static int       TAG_VMTX        = 0x766d7478;
120 
121   /**
122    * Vertical metrics header.  Table tag "vhea" in the Open
123    * Type Specification.
124    */  
125   public final static int       TAG_VHEA        = 0x76686561;
126 
127   /**
128    * Horizontal metrics header.  Table tag "hhea" in the Open
129    * Type Specification.
130    */  
131   public final static int       TAG_HHEA        = 0x68686561;
132 
133   /**
134    * Adobe Type 1 font data.  Table tag "typ1" in the Open
135    * Type Specification.
136    */  
137   public final static int       TAG_TYP1        = 0x74797031;
138 
139   /**
140    * Baseline table.  Table tag "bsln" in the Open
141    * Type Specification.
142    */  
143   public final static int       TAG_BSLN        = 0x62736c6e;
144 
145   /**
146    * Glyph substitution.  Table tag "GSUB" in the Open
147    * Type Specification.
148    */  
149   public final static int       TAG_GSUB        = 0x47535542;
150 
151   /**
152    * Digital signature.  Table tag "DSIG" in the Open
153    * Type Specification.
154    */  
155   public final static int       TAG_DSIG        = 0x44534947;
156 
157   /**
158    * Font program.   Table tag "fpgm" in the Open
159    * Type Specification.
160    */  
161   public final static int       TAG_FPGM        = 0x6670676d;
162 
163   /**
164    * Font variation.   Table tag "fvar" in the Open
165    * Type Specification.
166    */  
167   public final static int       TAG_FVAR        = 0x66766172;
168 
169   /**
170    * Glyph variation.  Table tag "gvar" in the Open
171    * Type Specification.
172    */  
173   public final static int       TAG_GVAR        = 0x67766172;
174 
175   /**
176    * Compact font format (Type1 font).  Table tag 
177    * "CFF " in the Open Type Specification.
178    */  
179   public final static int       TAG_CFF = 0x43464620;
180 
181   /**
182    * Multiple master supplementary data.  Table tag 
183    * "MMSD" in the Open Type Specification.
184    */  
185   public final static int       TAG_MMSD        = 0x4d4d5344;
186 
187   /**
188    * Multiple master font metrics.  Table tag
189    * "MMFX" in the Open Type Specification.
190    */  
191   public final static int       TAG_MMFX        = 0x4d4d4658;
192 
193   /**
194    * Baseline data.  Table tag "BASE" in the Open 
195    * Type Specification.
196    */  
197   public final static int       TAG_BASE        = 0x42415345;
198 
199   /**
200    * Glyph definition.  Table tag "GDEF" in the Open
201    * Type Specification.
202    */  
203   public final static int       TAG_GDEF        = 0x47444546;
204 
205   /**
206    * Glyph positioning.  Table tag "GPOS" in the Open
207    * Type Specification.
208    */  
209   public final static int       TAG_GPOS        = 0x47504f53;
210 
211   /**
212    * Justification.  Table tag "JSTF" in the Open
213    * Type Specification.
214    */  
215   public final static int       TAG_JSTF        = 0x4a535446;
216 
217   /**
218    * Embedded bitmap data.  Table tag "EBDT" in the Open
219    * Type Specification.
220    */  
221   public final static int       TAG_EBDT        = 0x45424454;
222 
223   /**
224    * Embedded bitmap location.  Table tag "EBLC" in the Open
225    * Type Specification.
226    */  
227   public final static int       TAG_EBLC        = 0x45424c43;
228 
229   /**
230    * Embedded bitmap scaling.  Table tag "EBSC" in the Open
231    * Type Specification.
232    */  
233   public final static int       TAG_EBSC        = 0x45425343;
234 
235   /**
236    * Linear threshold.  Table tag "LTSH" in the Open
237    * Type Specification.
238    */  
239   public final static int       TAG_LTSH        = 0x4c545348;
240 
241   /**
242    * PCL 5 data.  Table tag "PCLT" in the Open
243    * Type Specification.
244    */  
245   public final static int       TAG_PCLT        = 0x50434c54;
246 
247   /**
248    * Accent attachment.  Table tag "acnt" in the Open
249    * Type Specification.
250    */  
251   public final static int       TAG_ACNT        = 0x61636e74;
252 
253   /**
254    * Axis variaiton.  Table tag "avar" in the Open
255    * Type Specification.
256    */  
257   public final static int       TAG_AVAR        = 0x61766172;
258 
259   /**
260    * Bitmap data.  Table tag "bdat" in the Open
261    * Type Specification.
262    */  
263   public final static int       TAG_BDAT        = 0x62646174;
264 
265   /**
266    * Bitmap location.  Table tag "bloc" in the Open
267    * Type Specification.
268    */  
269   public final static int       TAG_BLOC        = 0x626c6f63;
270 
271    /**
272     * CVT variation.  Table tag "cvar" in the Open
273     * Type Specification.
274     */  
275   public final static int       TAG_CVAR        = 0x63766172;
276 
277   /**
278    * Feature name.  Table tag "feat" in the Open
279     * Type Specification.
280    */  
281   public final static int       TAG_FEAT        = 0x66656174;
282 
283   /**
284    * Font descriptors.  Table tag "fdsc" in the Open
285    * Type Specification.
286    */  
287   public final static int       TAG_FDSC        = 0x66647363;
288  
289   /**
290    * Font metrics.  Table tag "fmtx" in the Open
291    * Type Specification.
292    */  
293   public final static int       TAG_FMTX        = 0x666d7478;
294 
295   /**
296    * Justification.  Table tag "just" in the Open
297    * Type Specification.
298    */  
299   public final static int       TAG_JUST        = 0x6a757374;
300 
301   /**
302    * Ligature caret.   Table tag "lcar" in the Open
303    * Type Specification.
304    */  
305   public final static int       TAG_LCAR        = 0x6c636172;
306 
307   /**
308    * Glyph metamorphosis.  Table tag "mort" in the Open
309    * Type Specification.
310    */  
311   public final static int       TAG_MORT        = 0x6d6f7274;
312 
313   /**
314    * Optical bounds.  Table tag "opbd" in the Open
315    * Type Specification.
316    */  
317   public final static int       TAG_OPBD        = 0x6d6f7274;
318 
319   /**
320    * Glyph properties.  Table tag "prop" in the Open
321    * Type Specification.
322    */  
323   public final static int       TAG_PROP        = 0x70726f70;
324 
325   /**
326    * Tracking.  Table tag "trak" in the Open
327    * Type Specification.
328    */  
329   public final static int       TAG_TRAK        = 0x7472616b;
330 
331   /**
332    * Returns the version of the <code>OpenType</code> font.
333    * 1.0 is represented as 0x00010000.
334    * @return the version of the <code>OpenType</code> font.
335    */
336   public int getVersion();
337 
338   /**
339    * Returns the table as an array of bytes for a specified tag. 
340    * Tags for sfnt tables include items like <i>cmap</i>, 
341    * <i>name</i> and <i>head</i>.  The <code>byte</code> array 
342    * returned is a copy of the font data in memory.
343    * @param     sfntTag a four-character code as a 32-bit integer
344    * @return a <code>byte</code> array that is the table that 
345    * contains the font data corresponding to the specified
346    * tag.
347    */
348   public byte[] getFontTable(int sfntTag);
349 
350   /**
351    * Returns the table as an array of bytes for a specified tag. 
352    * Tags for sfnt tables include items like <i>cmap</i>, 
353    * <i>name</i> and <i>head</i>.  The byte array returned is a 
354    * copy of the font data in memory.
355    * @param     strSfntTag a four-character code as a 
356    *        <code>String</code>
357    * @return a <code>byte</code> array that is the table that
358    * contains the font data corresponding to the specified
359    * tag.   
360    */
361   public byte[] getFontTable(String   strSfntTag);
362 
363   /**
364    * Returns a subset of the table as an array of bytes 
365    * for a specified tag.  Tags for sfnt tables include 
366    * items like <i>cmap</i>, <i>name</i> and <i>head</i>. 
367    * The byte array returned is a copy of the font data in
368    * memory.
369    * @param     sfntTag a four-character code as a 32-bit integer
370    * @param     offset index of first byte to return from table
371    * @param     count number of bytes to return from table
372    * @return a subset of the table corresponding to 
373    *        <code>sfntTag</code> and containing the bytes
374    *        starting at <code>offset</code> byte and including
375    *        <code>count</code> bytes.
376    */
377   public byte[] getFontTable(int sfntTag, int offset, int count);
378 
379   /**
380    * Returns a subset of the table as an array of bytes 
381    * for a specified tag.  Tags for sfnt tables include items 
382    * like <i>cmap</i>, <i>name</i> and <i>head</i>. The 
383    * <code>byte</code> array returned is a copy of the font 
384    * data in memory.
385    * @param     strSfntTag a four-character code as a 
386    * <code>String</code>
387    * @param     offset index of first byte to return from table
388    * @param     count  number of bytes to return from table
389    * @return a subset of the table corresponding to
390    *            <code>strSfntTag</code> and containing the bytes
391    *            starting at <code>offset</code> byte and including
392    *            <code>count</code> bytes.
393    */
394   public byte[] getFontTable(String   strSfntTag, int offset, int count);
395 
396   /**
397    * Returns the size of the table for a specified tag. Tags for sfnt
398    * tables include items like <i>cmap</i>, <i>name</i> and <i>head</i>.
399    * @param     sfntTag a four-character code as a 32-bit integer
400    * @return the size of the table corresponding to the specified
401    * tag.
402    */
403   public int getFontTableSize(int sfntTag);
404 
405   /**
406    * Returns the size of the table for a specified tag. Tags for sfnt
407    * tables include items like <i>cmap</i>, <i>name</i> and <i>head</i>.
408    * @param     strSfntTag a four-character code as a 
409    * <code>String</code>
410    * @return the size of the table corresponding to the specified tag.
411    */
412   public int getFontTableSize(String   strSfntTag);
413 
414 
415 }
416 
417
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