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  6<title>FreeType-2.4.3 API Reference</title>
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 35<table align=center><tr><td><font size=-1>[<a href="ft2-index.html">Index</a>]</font></td>
 36<td width="100%"></td>
 37<td><font size=-1>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
 38<center><h1>FreeType-2.4.3 API Reference</h1></center>
 39
 40<center><h1>
 41TrueType Tables
 42</h1></center>
 43<h2>Synopsis</h2>
 44<table align=center cellspacing=5 cellpadding=0 border=0>
 45<tr><td></td><td><a href="#TT_PLATFORM_XXX">TT_PLATFORM_XXX</a></td><td></td><td><a href="#TT_Postscript">TT_Postscript</a></td></tr>
 46<tr><td></td><td><a href="#TT_APPLE_ID_XXX">TT_APPLE_ID_XXX</a></td><td></td><td><a href="#TT_PCLT">TT_PCLT</a></td></tr>
 47<tr><td></td><td><a href="#TT_MAC_ID_XXX">TT_MAC_ID_XXX</a></td><td></td><td><a href="#TT_MaxProfile">TT_MaxProfile</a></td></tr>
 48<tr><td></td><td><a href="#TT_ISO_ID_XXX">TT_ISO_ID_XXX</a></td><td></td><td><a href="#FT_Sfnt_Tag">FT_Sfnt_Tag</a></td></tr>
 49<tr><td></td><td><a href="#TT_MS_ID_XXX">TT_MS_ID_XXX</a></td><td></td><td><a href="#FT_Get_Sfnt_Table">FT_Get_Sfnt_Table</a></td></tr>
 50<tr><td></td><td><a href="#TT_ADOBE_ID_XXX">TT_ADOBE_ID_XXX</a></td><td></td><td><a href="#FT_Load_Sfnt_Table">FT_Load_Sfnt_Table</a></td></tr>
 51<tr><td></td><td><a href="#TT_Header">TT_Header</a></td><td></td><td><a href="#FT_Sfnt_Table_Info">FT_Sfnt_Table_Info</a></td></tr>
 52<tr><td></td><td><a href="#TT_HoriHeader">TT_HoriHeader</a></td><td></td><td><a href="#FT_Get_CMap_Language_ID">FT_Get_CMap_Language_ID</a></td></tr>
 53<tr><td></td><td><a href="#TT_VertHeader">TT_VertHeader</a></td><td></td><td><a href="#FT_Get_CMap_Format">FT_Get_CMap_Format</a></td></tr>
 54<tr><td></td><td><a href="#TT_OS2">TT_OS2</a></td><td></td><td><a href="#FT_PARAM_TAG_UNPATENTED_HINTING">FT_PARAM_TAG_UNPATENTED_HINTING</a></td></tr>
 55</table><br><br>
 56
 57<table align=center width="87%"><tr><td>
 58<p>This section contains the definition of TrueType-specific tables as well as some routines used to access and process them.</p>
 59</td></tr></table><br>
 60<table align=center width="75%"><tr><td>
 61<h4><a name="TT_PLATFORM_XXX">TT_PLATFORM_XXX</a></h4>
 62<table align=center width="87%"><tr><td>
 63Defined in FT_TRUETYPE_IDS_H (freetype/ttnameid.h).
 64</td></tr></table><br>
 65<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
 66
 67#define <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_APPLE_UNICODE</a>  0
 68#define <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_MACINTOSH</a>      1
 69#define <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_ISO</a>            2 /* deprecated */
 70#define <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_MICROSOFT</a>      3
 71#define <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_CUSTOM</a>         4
 72#define <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_ADOBE</a>          7 /* artificial */
 73
 74</pre></table><br>
 75<table align=center width="87%"><tr><td>
 76<p>A list of valid values for the &lsquo;platform_id&rsquo; identifier code in <a href="ft2-base_interface.html#FT_CharMapRec">FT_CharMapRec</a> and <a href="ft2-sfnt_names.html#FT_SfntName">FT_SfntName</a> structures.</p>
 77</td></tr></table><br>
 78<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
 79<p></p>
 80<table cellpadding=3 border=0>
 81<tr valign=top><td colspan=0><b>TT_PLATFORM_APPLE_UNICODE</b></td></tr>
 82<tr valign=top><td></td><td>
 83<p>Used by Apple to indicate a Unicode character map and/or name entry. See <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_XXX</a> for corresponding &lsquo;encoding_id&rsquo; values. Note that name entries in this format are coded as big-endian UCS-2 character codes <i>only</i>.</p>
 84</td></tr>
 85<tr valign=top><td><b>TT_PLATFORM_MACINTOSH</b></td><td>
 86<p>Used by Apple to indicate a MacOS-specific charmap and/or name entry. See <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_XXX</a> for corresponding &lsquo;encoding_id&rsquo; values. Note that most TrueType fonts contain an Apple roman charmap to be usable on MacOS systems (even if they contain a Microsoft charmap as well).</p>
 87</td></tr>
 88<tr valign=top><td><b>TT_PLATFORM_ISO</b></td><td>
 89<p>This value was used to specify ISO/IEC 10646 charmaps. It is however now deprecated. See <a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_XXX</a> for a list of corresponding &lsquo;encoding_id&rsquo; values.</p>
 90</td></tr>
 91<tr valign=top><td><b>TT_PLATFORM_MICROSOFT</b></td><td>
 92<p>Used by Microsoft to indicate Windows-specific charmaps. See <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_XXX</a> for a list of corresponding &lsquo;encoding_id&rsquo; values. Note that most fonts contain a Unicode charmap using (TT_PLATFORM_MICROSOFT, <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_UNICODE_CS</a>).</p>
 93</td></tr>
 94<tr valign=top><td><b>TT_PLATFORM_CUSTOM</b></td><td>
 95<p>Used to indicate application-specific charmaps.</p>
 96</td></tr>
 97<tr valign=top><td><b>TT_PLATFORM_ADOBE</b></td><td>
 98<p>This value isn't part of any font format specification, but is used by FreeType to report Adobe-specific charmaps in an <a href="ft2-base_interface.html#FT_CharMapRec">FT_CharMapRec</a> structure. See <a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_XXX</a>.</p>
 99</td></tr>
100</table>
101</td></tr></table>
102</td></tr></table>
103<hr width="75%">
104<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
105<td width="100%"></td>
106<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
107
108<table align=center width="75%"><tr><td>
109<h4><a name="TT_APPLE_ID_XXX">TT_APPLE_ID_XXX</a></h4>
110<table align=center width="87%"><tr><td>
111Defined in FT_TRUETYPE_IDS_H (freetype/ttnameid.h).
112</td></tr></table><br>
113<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
114
115#define <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_DEFAULT</a>           0 /* Unicode 1.0 */
116#define <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_UNICODE_1_1</a>       1 /* specify Hangul at U+34xx */
117#define <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_ISO_10646</a>         2 /* deprecated */
118#define <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_UNICODE_2_0</a>       3 /* or later */
119#define <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_UNICODE_32</a>        4 /* 2.0 or later, full repertoire */
120#define <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_VARIANT_SELECTOR</a>  5 /* variation selector data */
121
122</pre></table><br>
123<table align=center width="87%"><tr><td>
124<p>A list of valid values for the &lsquo;encoding_id&rsquo; for <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_APPLE_UNICODE</a> charmaps and name entries.</p>
125</td></tr></table><br>
126<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
127<p></p>
128<table cellpadding=3 border=0>
129<tr valign=top><td><b>TT_APPLE_ID_DEFAULT</b></td><td>
130<p>Unicode version 1.0.</p>
131</td></tr>
132<tr valign=top><td colspan=0><b>TT_APPLE_ID_UNICODE_1_1</b></td></tr>
133<tr valign=top><td></td><td>
134<p>Unicode 1.1; specifies Hangul characters starting at U+34xx.</p>
135</td></tr>
136<tr valign=top><td><b>TT_APPLE_ID_ISO_10646</b></td><td>
137<p>Deprecated (identical to preceding).</p>
138</td></tr>
139<tr valign=top><td colspan=0><b>TT_APPLE_ID_UNICODE_2_0</b></td></tr>
140<tr valign=top><td></td><td>
141<p>Unicode 2.0 and beyond (UTF-16 BMP only).</p>
142</td></tr>
143<tr valign=top><td><b>TT_APPLE_ID_UNICODE_32</b></td><td>
144<p>Unicode 3.1 and beyond, using UTF-32.</p>
145</td></tr>
146<tr valign=top><td colspan=0><b>TT_APPLE_ID_VARIANT_SELECTOR</b></td></tr>
147<tr valign=top><td></td><td>
148<p>From Adobe, not Apple. Not a normal cmap. Specifies variations on a real cmap.</p>
149</td></tr>
150</table>
151</td></tr></table>
152</td></tr></table>
153<hr width="75%">
154<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
155<td width="100%"></td>
156<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
157
158<table align=center width="75%"><tr><td>
159<h4><a name="TT_MAC_ID_XXX">TT_MAC_ID_XXX</a></h4>
160<table align=center width="87%"><tr><td>
161Defined in FT_TRUETYPE_IDS_H (freetype/ttnameid.h).
162</td></tr></table><br>
163<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
164
165#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ROMAN</a>                 0
166#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_JAPANESE</a>              1
167#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TRADITIONAL_CHINESE</a>   2
168#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_KOREAN</a>                3
169#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ARABIC</a>                4
170#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_HEBREW</a>                5
171#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GREEK</a>                 6
172#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_RUSSIAN</a>               7
173#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_RSYMBOL</a>               8
174#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_DEVANAGARI</a>            9
175#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GURMUKHI</a>             10
176#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GUJARATI</a>             11
177#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ORIYA</a>                12
178#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_BENGALI</a>              13
179#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TAMIL</a>                14
180#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TELUGU</a>               15
181#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_KANNADA</a>              16
182#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_MALAYALAM</a>            17
183#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SINHALESE</a>            18
184#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_BURMESE</a>              19
185#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_KHMER</a>                20
186#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_THAI</a>                 21
187#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_LAOTIAN</a>              22
188#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GEORGIAN</a>             23
189#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_ARMENIAN</a>             24
190#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_MALDIVIAN</a>            25
191#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SIMPLIFIED_CHINESE</a>   25
192#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_TIBETAN</a>              26
193#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_MONGOLIAN</a>            27
194#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_GEEZ</a>                 28
195#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SLAVIC</a>               29
196#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_VIETNAMESE</a>           30
197#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_SINDHI</a>               31
198#define <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_UNINTERP</a>             32
199
200</pre></table><br>
201<table align=center width="87%"><tr><td>
202<p>A list of valid values for the &lsquo;encoding_id&rsquo; for <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_MACINTOSH</a> charmaps and name entries.</p>
203</td></tr></table><br>
204<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
205<p></p>
206<table cellpadding=3 border=0>
207<tr valign=top><td><b>TT_MAC_ID_ROMAN</b></td><td>
208<p></p>
209</td></tr>
210<tr valign=top><td><b>TT_MAC_ID_JAPANESE</b></td><td>
211<p></p>
212</td></tr>
213<tr valign=top><td colspan=0><b>TT_MAC_ID_TRADITIONAL_CHINESE</b></td></tr>
214<tr valign=top><td></td><td>
215<p></p>
216</td></tr>
217<tr valign=top><td><b>TT_MAC_ID_KOREAN</b></td><td>
218<p></p>
219</td></tr>
220<tr valign=top><td><b>TT_MAC_ID_ARABIC</b></td><td>
221<p></p>
222</td></tr>
223<tr valign=top><td><b>TT_MAC_ID_HEBREW</b></td><td>
224<p></p>
225</td></tr>
226<tr valign=top><td><b>TT_MAC_ID_GREEK</b></td><td>
227<p></p>
228</td></tr>
229<tr valign=top><td><b>TT_MAC_ID_RUSSIAN</b></td><td>
230<p></p>
231</td></tr>
232<tr valign=top><td><b>TT_MAC_ID_RSYMBOL</b></td><td>
233<p></p>
234</td></tr>
235<tr valign=top><td><b>TT_MAC_ID_DEVANAGARI</b></td><td>
236<p></p>
237</td></tr>
238<tr valign=top><td><b>TT_MAC_ID_GURMUKHI</b></td><td>
239<p></p>
240</td></tr>
241<tr valign=top><td><b>TT_MAC_ID_GUJARATI</b></td><td>
242<p></p>
243</td></tr>
244<tr valign=top><td><b>TT_MAC_ID_ORIYA</b></td><td>
245<p></p>
246</td></tr>
247<tr valign=top><td><b>TT_MAC_ID_BENGALI</b></td><td>
248<p></p>
249</td></tr>
250<tr valign=top><td><b>TT_MAC_ID_TAMIL</b></td><td>
251<p></p>
252</td></tr>
253<tr valign=top><td><b>TT_MAC_ID_TELUGU</b></td><td>
254<p></p>
255</td></tr>
256<tr valign=top><td><b>TT_MAC_ID_KANNADA</b></td><td>
257<p></p>
258</td></tr>
259<tr valign=top><td><b>TT_MAC_ID_MALAYALAM</b></td><td>
260<p></p>
261</td></tr>
262<tr valign=top><td><b>TT_MAC_ID_SINHALESE</b></td><td>
263<p></p>
264</td></tr>
265<tr valign=top><td><b>TT_MAC_ID_BURMESE</b></td><td>
266<p></p>
267</td></tr>
268<tr valign=top><td><b>TT_MAC_ID_KHMER</b></td><td>
269<p></p>
270</td></tr>
271<tr valign=top><td><b>TT_MAC_ID_THAI</b></td><td>
272<p></p>
273</td></tr>
274<tr valign=top><td><b>TT_MAC_ID_LAOTIAN</b></td><td>
275<p></p>
276</td></tr>
277<tr valign=top><td><b>TT_MAC_ID_GEORGIAN</b></td><td>
278<p></p>
279</td></tr>
280<tr valign=top><td><b>TT_MAC_ID_ARMENIAN</b></td><td>
281<p></p>
282</td></tr>
283<tr valign=top><td><b>TT_MAC_ID_MALDIVIAN</b></td><td>
284<p></p>
285</td></tr>
286<tr valign=top><td colspan=0><b>TT_MAC_ID_SIMPLIFIED_CHINESE</b></td></tr>
287<tr valign=top><td></td><td>
288<p></p>
289</td></tr>
290<tr valign=top><td><b>TT_MAC_ID_TIBETAN</b></td><td>
291<p></p>
292</td></tr>
293<tr valign=top><td><b>TT_MAC_ID_MONGOLIAN</b></td><td>
294<p></p>
295</td></tr>
296<tr valign=top><td><b>TT_MAC_ID_GEEZ</b></td><td>
297<p></p>
298</td></tr>
299<tr valign=top><td><b>TT_MAC_ID_SLAVIC</b></td><td>
300<p></p>
301</td></tr>
302<tr valign=top><td><b>TT_MAC_ID_VIETNAMESE</b></td><td>
303<p></p>
304</td></tr>
305<tr valign=top><td><b>TT_MAC_ID_SINDHI</b></td><td>
306<p></p>
307</td></tr>
308<tr valign=top><td><b>TT_MAC_ID_UNINTERP</b></td><td>
309<p></p>
310</td></tr>
311</table>
312</td></tr></table>
313</td></tr></table>
314<hr width="75%">
315<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
316<td width="100%"></td>
317<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
318
319<table align=center width="75%"><tr><td>
320<h4><a name="TT_ISO_ID_XXX">TT_ISO_ID_XXX</a></h4>
321<table align=center width="87%"><tr><td>
322Defined in FT_TRUETYPE_IDS_H (freetype/ttnameid.h).
323</td></tr></table><br>
324<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
325
326#define <a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_7BIT_ASCII</a>  0
327#define <a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_10646</a>       1
328#define <a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_8859_1</a>      2
329
330</pre></table><br>
331<table align=center width="87%"><tr><td>
332<p>A list of valid values for the &lsquo;encoding_id&rsquo; for <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_ISO</a> charmaps and name entries.</p>
333<p>Their use is now deprecated.</p>
334</td></tr></table><br>
335<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
336<p></p>
337<table cellpadding=3 border=0>
338<tr valign=top><td><b>TT_ISO_ID_7BIT_ASCII</b></td><td>
339<p>ASCII.</p>
340</td></tr>
341<tr valign=top><td><b>TT_ISO_ID_10646</b></td><td>
342<p>ISO/10646.</p>
343</td></tr>
344<tr valign=top><td><b>TT_ISO_ID_8859_1</b></td><td>
345<p>Also known as Latin-1.</p>
346</td></tr>
347</table>
348</td></tr></table>
349</td></tr></table>
350<hr width="75%">
351<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
352<td width="100%"></td>
353<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
354
355<table align=center width="75%"><tr><td>
356<h4><a name="TT_MS_ID_XXX">TT_MS_ID_XXX</a></h4>
357<table align=center width="87%"><tr><td>
358Defined in FT_TRUETYPE_IDS_H (freetype/ttnameid.h).
359</td></tr></table><br>
360<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
361
362#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_SYMBOL_CS</a>    0
363#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_UNICODE_CS</a>   1
364#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_SJIS</a>         2
365#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_GB2312</a>       3
366#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_BIG_5</a>        4
367#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_WANSUNG</a>      5
368#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_JOHAB</a>        6
369#define <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_UCS_4</a>       10
370
371</pre></table><br>
372<table align=center width="87%"><tr><td>
373<p>A list of valid values for the &lsquo;encoding_id&rsquo; for <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_MICROSOFT</a> charmaps and name entries.</p>
374</td></tr></table><br>
375<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
376<p></p>
377<table cellpadding=3 border=0>
378<tr valign=top><td><b>TT_MS_ID_SYMBOL_CS</b></td><td>
379<p>Corresponds to Microsoft symbol encoding. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_MS_SYMBOL</a>.</p>
380</td></tr>
381<tr valign=top><td><b>TT_MS_ID_UNICODE_CS</b></td><td>
382<p>Corresponds to a Microsoft WGL4 charmap, matching Unicode. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_UNICODE</a>.</p>
383</td></tr>
384<tr valign=top><td><b>TT_MS_ID_SJIS</b></td><td>
385<p>Corresponds to SJIS Japanese encoding. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_SJIS</a>.</p>
386</td></tr>
387<tr valign=top><td><b>TT_MS_ID_GB2312</b></td><td>
388<p>Corresponds to Simplified Chinese as used in Mainland China. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_GB2312</a>.</p>
389</td></tr>
390<tr valign=top><td><b>TT_MS_ID_BIG_5</b></td><td>
391<p>Corresponds to Traditional Chinese as used in Taiwan and Hong Kong. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_BIG5</a>.</p>
392</td></tr>
393<tr valign=top><td><b>TT_MS_ID_WANSUNG</b></td><td>
394<p>Corresponds to Korean Wansung encoding. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_WANSUNG</a>.</p>
395</td></tr>
396<tr valign=top><td><b>TT_MS_ID_JOHAB</b></td><td>
397<p>Corresponds to Johab encoding. See <a href="ft2-base_interface.html#FT_Encoding">FT_ENCODING_JOHAB</a>.</p>
398</td></tr>
399<tr valign=top><td><b>TT_MS_ID_UCS_4</b></td><td>
400<p>Corresponds to UCS-4 or UTF-32 charmaps. This has been added to the OpenType specification version 1.4 (mid-2001.)</p>
401</td></tr>
402</table>
403</td></tr></table>
404</td></tr></table>
405<hr width="75%">
406<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
407<td width="100%"></td>
408<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
409
410<table align=center width="75%"><tr><td>
411<h4><a name="TT_ADOBE_ID_XXX">TT_ADOBE_ID_XXX</a></h4>
412<table align=center width="87%"><tr><td>
413Defined in FT_TRUETYPE_IDS_H (freetype/ttnameid.h).
414</td></tr></table><br>
415<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
416
417#define <a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_STANDARD</a>  0
418#define <a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_EXPERT</a>    1
419#define <a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_CUSTOM</a>    2
420#define <a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_LATIN_1</a>   3
421
422</pre></table><br>
423<table align=center width="87%"><tr><td>
424<p>A list of valid values for the &lsquo;encoding_id&rsquo; for <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_ADOBE</a> charmaps. This is a FreeType-specific extension!</p>
425</td></tr></table><br>
426<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
427<p></p>
428<table cellpadding=3 border=0>
429<tr valign=top><td><b>TT_ADOBE_ID_STANDARD</b></td><td>
430<p>Adobe standard encoding.</p>
431</td></tr>
432<tr valign=top><td><b>TT_ADOBE_ID_EXPERT</b></td><td>
433<p>Adobe expert encoding.</p>
434</td></tr>
435<tr valign=top><td><b>TT_ADOBE_ID_CUSTOM</b></td><td>
436<p>Adobe custom encoding.</p>
437</td></tr>
438<tr valign=top><td><b>TT_ADOBE_ID_LATIN_1</b></td><td>
439<p>Adobe Latin&nbsp;1 encoding.</p>
440</td></tr>
441</table>
442</td></tr></table>
443</td></tr></table>
444<hr width="75%">
445<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
446<td width="100%"></td>
447<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
448
449<table align=center width="75%"><tr><td>
450<h4><a name="TT_Header">TT_Header</a></h4>
451<table align=center width="87%"><tr><td>
452Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
453</td></tr></table><br>
454<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
455
456  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_Header_
457  {
458    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>   Table_Version;
459    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>   Font_Revision;
460
461    <a href="ft2-basic_types.html#FT_Long">FT_Long</a>    CheckSum_Adjust;
462    <a href="ft2-basic_types.html#FT_Long">FT_Long</a>    Magic_Number;
463
464    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  Flags;
465    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  Units_Per_EM;
466
467    <a href="ft2-basic_types.html#FT_Long">FT_Long</a>    Created [2];
468    <a href="ft2-basic_types.html#FT_Long">FT_Long</a>    Modified[2];
469
470    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   xMin;
471    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   yMin;
472    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   xMax;
473    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   yMax;
474
475    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  Mac_Style;
476    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  Lowest_Rec_PPEM;
477
478    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Font_Direction;
479    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Index_To_Loc_Format;
480    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Glyph_Data_Format;
481
482  } <b>TT_Header</b>;
483
484</pre></table><br>
485<table align=center width="87%"><tr><td>
486<p>A structure used to model a TrueType font header table. All fields follow the TrueType specification.</p>
487</td></tr></table><br>
488</td></tr></table>
489<hr width="75%">
490<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
491<td width="100%"></td>
492<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
493
494<table align=center width="75%"><tr><td>
495<h4><a name="TT_HoriHeader">TT_HoriHeader</a></h4>
496<table align=center width="87%"><tr><td>
497Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
498</td></tr></table><br>
499<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
500
501  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_HoriHeader_
502  {
503    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>   Version;
504    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Ascender;
505    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Descender;
506    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Line_Gap;
507
508    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  advance_Width_Max;      /* advance width maximum */
509
510    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   min_Left_Side_Bearing;  /* minimum left-sb       */
511    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   min_Right_Side_Bearing; /* minimum right-sb      */
512    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   xMax_Extent;            /* xmax extents          */
513    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   caret_Slope_Rise;
514    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   caret_Slope_Run;
515    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   caret_Offset;
516
517    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Reserved[4];
518
519    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   metric_Data_Format;
520    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  number_Of_HMetrics;
521
522    /* The following fields are not defined by the TrueType specification */
523    /* but they are used to connect the metrics header to the relevant    */
524    /* `HMTX' table.                                                      */
525
526    <span class="keyword">void</span>*      long_metrics;
527    <span class="keyword">void</span>*      short_metrics;
528
529  } <b>TT_HoriHeader</b>;
530
531</pre></table><br>
532<table align=center width="87%"><tr><td>
533<p>A structure used to model a TrueType horizontal header, the &lsquo;hhea&rsquo; table, as well as the corresponding horizontal metrics table, i.e., the &lsquo;hmtx&rsquo; table.</p>
534</td></tr></table><br>
535<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
536<p></p>
537<table cellpadding=3 border=0>
538<tr valign=top><td><b>Version</b></td><td>
539<p>The table version.</p>
540</td></tr>
541<tr valign=top><td><b>Ascender</b></td><td>
542<p>The font's ascender, i.e., the distance from the baseline to the top-most of all glyph points found in the font.</p>
543<p>This value is invalid in many fonts, as it is usually set by the font designer, and often reflects only a portion of the glyphs found in the font (maybe ASCII).</p>
544<p>You should use the &lsquo;sTypoAscender&rsquo; field of the OS/2 table instead if you want the correct one.</p>
545</td></tr>
546<tr valign=top><td><b>Descender</b></td><td>
547<p>The font's descender, i.e., the distance from the baseline to the bottom-most of all glyph points found in the font. It is negative.</p>
548<p>This value is invalid in many fonts, as it is usually set by the font designer, and often reflects only a portion of the glyphs found in the font (maybe ASCII).</p>
549<p>You should use the &lsquo;sTypoDescender&rsquo; field of the OS/2 table instead if you want the correct one.</p>
550</td></tr>
551<tr valign=top><td><b>Line_Gap</b></td><td>
552<p>The font's line gap, i.e., the distance to add to the ascender and descender to get the BTB, i.e., the baseline-to-baseline distance for the font.</p>
553</td></tr>
554<tr valign=top><td><b>advance_Width_Max</b></td><td>
555<p>This field is the maximum of all advance widths found in the font. It can be used to compute the maximum width of an arbitrary string of text.</p>
556</td></tr>
557<tr valign=top><td><b>min_Left_Side_Bearing</b></td><td>
558<p>The minimum left side bearing of all glyphs within the font.</p>
559</td></tr>
560<tr valign=top><td><b>min_Right_Side_Bearing</b></td><td>
561<p>The minimum right side bearing of all glyphs within the font.</p>
562</td></tr>
563<tr valign=top><td><b>xMax_Extent</b></td><td>
564<p>The maximum horizontal extent (i.e., the &lsquo;width&rsquo; of a glyph's bounding box) for all glyphs in the font.</p>
565</td></tr>
566<tr valign=top><td><b>caret_Slope_Rise</b></td><td>
567<p>The rise coefficient of the cursor's slope of the cursor (slope=rise/run).</p>
568</td></tr>
569<tr valign=top><td><b>caret_Slope_Run</b></td><td>
570<p>The run coefficient of the cursor's slope.</p>
571</td></tr>
572<tr valign=top><td><b>Reserved</b></td><td>
573<p>8&nbsp;reserved bytes.</p>
574</td></tr>
575<tr valign=top><td><b>metric_Data_Format</b></td><td>
576<p>Always&nbsp;0.</p>
577</td></tr>
578<tr valign=top><td><b>number_Of_HMetrics</b></td><td>
579<p>Number of HMetrics entries in the &lsquo;hmtx&rsquo; table -- this value can be smaller than the total number of glyphs in the font.</p>
580</td></tr>
581<tr valign=top><td><b>long_metrics</b></td><td>
582<p>A pointer into the &lsquo;hmtx&rsquo; table.</p>
583</td></tr>
584<tr valign=top><td><b>short_metrics</b></td><td>
585<p>A pointer into the &lsquo;hmtx&rsquo; table.</p>
586</td></tr>
587</table>
588</td></tr></table>
589<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
590<p>IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should be identical except for the names of their fields which are different.</p>
591<p>This ensures that a single function in the &lsquo;ttload&rsquo; module is able to read both the horizontal and vertical headers.</p>
592</td></tr></table>
593</td></tr></table>
594<hr width="75%">
595<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
596<td width="100%"></td>
597<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
598
599<table align=center width="75%"><tr><td>
600<h4><a name="TT_VertHeader">TT_VertHeader</a></h4>
601<table align=center width="87%"><tr><td>
602Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
603</td></tr></table><br>
604<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
605
606  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_VertHeader_
607  {
608    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>   Version;
609    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Ascender;
610    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Descender;
611    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Line_Gap;
612
613    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  advance_Height_Max;      /* advance height maximum */
614
615    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   min_Top_Side_Bearing;    /* minimum left-sb or top-sb       */
616    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   min_Bottom_Side_Bearing; /* minimum right-sb or bottom-sb   */
617    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   yMax_Extent;             /* xmax or ymax extents            */
618    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   caret_Slope_Rise;
619    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   caret_Slope_Run;
620    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   caret_Offset;
621
622    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   Reserved[4];
623
624    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   metric_Data_Format;
625    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  number_Of_VMetrics;
626
627    /* The following fields are not defined by the TrueType specification */
628    /* but they're used to connect the metrics header to the relevant     */
629    /* `HMTX' or `VMTX' table.                                            */
630
631    <span class="keyword">void</span>*      long_metrics;
632    <span class="keyword">void</span>*      short_metrics;
633
634  } <b>TT_VertHeader</b>;
635
636</pre></table><br>
637<table align=center width="87%"><tr><td>
638<p>A structure used to model a TrueType vertical header, the &lsquo;vhea&rsquo; table, as well as the corresponding vertical metrics table, i.e., the &lsquo;vmtx&rsquo; table.</p>
639</td></tr></table><br>
640<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
641<p></p>
642<table cellpadding=3 border=0>
643<tr valign=top><td><b>Version</b></td><td>
644<p>The table version.</p>
645</td></tr>
646<tr valign=top><td><b>Ascender</b></td><td>
647<p>The font's ascender, i.e., the distance from the baseline to the top-most of all glyph points found in the font.</p>
648<p>This value is invalid in many fonts, as it is usually set by the font designer, and often reflects only a portion of the glyphs found in the font (maybe ASCII).</p>
649<p>You should use the &lsquo;sTypoAscender&rsquo; field of the OS/2 table instead if you want the correct one.</p>
650</td></tr>
651<tr valign=top><td><b>Descender</b></td><td>
652<p>The font's descender, i.e., the distance from the baseline to the bottom-most of all glyph points found in the font. It is negative.</p>
653<p>This value is invalid in many fonts, as it is usually set by the font designer, and often reflects only a portion of the glyphs found in the font (maybe ASCII).</p>
654<p>You should use the &lsquo;sTypoDescender&rsquo; field of the OS/2 table instead if you want the correct one.</p>
655</td></tr>
656<tr valign=top><td><b>Line_Gap</b></td><td>
657<p>The font's line gap, i.e., the distance to add to the ascender and descender to get the BTB, i.e., the baseline-to-baseline distance for the font.</p>
658</td></tr>
659<tr valign=top><td><b>advance_Height_Max</b></td><td>
660<p>This field is the maximum of all advance heights found in the font. It can be used to compute the maximum height of an arbitrary string of text.</p>
661</td></tr>
662<tr valign=top><td><b>min_Top_Side_Bearing</b></td><td>
663<p>The minimum top side bearing of all glyphs within the font.</p>
664</td></tr>
665<tr valign=top><td colspan=0><b>min_Bottom_Side_Bearing</b></td></tr>
666<tr valign=top><td></td><td>
667<p>The minimum bottom side bearing of all glyphs within the font.</p>
668</td></tr>
669<tr valign=top><td><b>yMax_Extent</b></td><td>
670<p>The maximum vertical extent (i.e., the &lsquo;height&rsquo; of a glyph's bounding box) for all glyphs in the font.</p>
671</td></tr>
672<tr valign=top><td><b>caret_Slope_Rise</b></td><td>
673<p>The rise coefficient of the cursor's slope of the cursor (slope=rise/run).</p>
674</td></tr>
675<tr valign=top><td><b>caret_Slope_Run</b></td><td>
676<p>The run coefficient of the cursor's slope.</p>
677</td></tr>
678<tr valign=top><td><b>caret_Offset</b></td><td>
679<p>The cursor's offset for slanted fonts. This value is &lsquo;reserved&rsquo; in vmtx version 1.0.</p>
680</td></tr>
681<tr valign=top><td><b>Reserved</b></td><td>
682<p>8&nbsp;reserved bytes.</p>
683</td></tr>
684<tr valign=top><td><b>metric_Data_Format</b></td><td>
685<p>Always&nbsp;0.</p>
686</td></tr>
687<tr valign=top><td><b>number_Of_HMetrics</b></td><td>
688<p>Number of VMetrics entries in the &lsquo;vmtx&rsquo; table -- this value can be smaller than the total number of glyphs in the font.</p>
689</td></tr>
690<tr valign=top><td><b>long_metrics</b></td><td>
691<p>A pointer into the &lsquo;vmtx&rsquo; table.</p>
692</td></tr>
693<tr valign=top><td><b>short_metrics</b></td><td>
694<p>A pointer into the &lsquo;vmtx&rsquo; table.</p>
695</td></tr>
696</table>
697</td></tr></table>
698<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
699<p>IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should be identical except for the names of their fields which are different.</p>
700<p>This ensures that a single function in the &lsquo;ttload&rsquo; module is able to read both the horizontal and vertical headers.</p>
701</td></tr></table>
702</td></tr></table>
703<hr width="75%">
704<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
705<td width="100%"></td>
706<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
707
708<table align=center width="75%"><tr><td>
709<h4><a name="TT_OS2">TT_OS2</a></h4>
710<table align=center width="87%"><tr><td>
711Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
712</td></tr></table><br>
713<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
714
715  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_OS2_
716  {
717    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  version;                /* 0x0001 - more or 0xFFFF */
718    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   xAvgCharWidth;
719    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usWeightClass;
720    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usWidthClass;
721    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   fsType;
722    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySubscriptXSize;
723    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySubscriptYSize;
724    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySubscriptXOffset;
725    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySubscriptYOffset;
726    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySuperscriptXSize;
727    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySuperscriptYSize;
728    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySuperscriptXOffset;
729    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   ySuperscriptYOffset;
730    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   yStrikeoutSize;
731    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   yStrikeoutPosition;
732    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   sFamilyClass;
733
734    <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a>    panose[10];
735
736    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   ulUnicodeRange1;        /* Bits 0-31   */
737    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   ulUnicodeRange2;        /* Bits 32-63  */
738    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   ulUnicodeRange3;        /* Bits 64-95  */
739    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   ulUnicodeRange4;        /* Bits 96-127 */
740
741    <a href="ft2-basic_types.html#FT_Char">FT_Char</a>    achVendID[4];
742
743    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  fsSelection;
744    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usFirstCharIndex;
745    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usLastCharIndex;
746    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   sTypoAscender;
747    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   sTypoDescender;
748    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   sTypoLineGap;
749    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usWinAscent;
750    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usWinDescent;
751
752    /* only version 1 tables: */
753
754    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   ulCodePageRange1;       /* Bits 0-31   */
755    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   ulCodePageRange2;       /* Bits 32-63  */
756
757    /* only version 2 tables: */
758
759    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   sxHeight;
760    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>   sCapHeight;
761    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usDefaultChar;
762    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usBreakChar;
763    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  usMaxContext;
764
765  } <b>TT_OS2</b>;
766
767</pre></table><br>
768<table align=center width="87%"><tr><td>
769<p>A structure used to model a TrueType OS/2 table. This is the long table version. All fields comply to the TrueType specification.</p>
770<p>Note that we now support old Mac fonts which do not include an OS/2 table. In this case, the &lsquo;version&rsquo; field is always set to 0xFFFF.</p>
771</td></tr></table><br>
772</td></tr></table>
773<hr width="75%">
774<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
775<td width="100%"></td>
776<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
777
778<table align=center width="75%"><tr><td>
779<h4><a name="TT_Postscript">TT_Postscript</a></h4>
780<table align=center width="87%"><tr><td>
781Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
782</td></tr></table><br>
783<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
784
785  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_Postscript_
786  {
787    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>  FormatType;
788    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>  italicAngle;
789    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>  underlinePosition;
790    <a href="ft2-basic_types.html#FT_Short">FT_Short</a>  underlineThickness;
791    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>  isFixedPitch;
792    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>  minMemType42;
793    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>  maxMemType42;
794    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>  minMemType1;
795    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>  maxMemType1;
796
797    /* Glyph names follow in the file, but we don't   */
798    /* load them by default.  See the ttpost.c file.  */
799
800  } <b>TT_Postscript</b>;
801
802</pre></table><br>
803<table align=center width="87%"><tr><td>
804<p>A structure used to model a TrueType PostScript table. All fields comply to the TrueType specification. This structure does not reference the PostScript glyph names, which can be nevertheless accessed with the &lsquo;ttpost&rsquo; module.</p>
805</td></tr></table><br>
806</td></tr></table>
807<hr width="75%">
808<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
809<td width="100%"></td>
810<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
811
812<table align=center width="75%"><tr><td>
813<h4><a name="TT_PCLT">TT_PCLT</a></h4>
814<table align=center width="87%"><tr><td>
815Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
816</td></tr></table><br>
817<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
818
819  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_PCLT_
820  {
821    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>   Version;
822    <a href="ft2-basic_types.html#FT_ULong">FT_ULong</a>   FontNumber;
823    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  Pitch;
824    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  xHeight;
825    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  Style;
826    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  TypeFamily;
827    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  CapHeight;
828    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  SymbolSet;
829    <a href="ft2-basic_types.html#FT_Char">FT_Char</a>    TypeFace[16];
830    <a href="ft2-basic_types.html#FT_Char">FT_Char</a>    CharacterComplement[8];
831    <a href="ft2-basic_types.html#FT_Char">FT_Char</a>    FileName[6];
832    <a href="ft2-basic_types.html#FT_Char">FT_Char</a>    StrokeWeight;
833    <a href="ft2-basic_types.html#FT_Char">FT_Char</a>    WidthType;
834    <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a>    SerifStyle;
835    <a href="ft2-basic_types.html#FT_Byte">FT_Byte</a>    Reserved;
836
837  } <b>TT_PCLT</b>;
838
839</pre></table><br>
840<table align=center width="87%"><tr><td>
841<p>A structure used to model a TrueType PCLT table. All fields comply to the TrueType specification.</p>
842</td></tr></table><br>
843</td></tr></table>
844<hr width="75%">
845<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
846<td width="100%"></td>
847<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
848
849<table align=center width="75%"><tr><td>
850<h4><a name="TT_MaxProfile">TT_MaxProfile</a></h4>
851<table align=center width="87%"><tr><td>
852Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
853</td></tr></table><br>
854<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
855
856  <span class="keyword">typedef</span> <span class="keyword">struct</span>  TT_MaxProfile_
857  {
858    <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>   version;
859    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  numGlyphs;
860    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxPoints;
861    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxContours;
862    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxCompositePoints;
863    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxCompositeContours;
864    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxZones;
865    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxTwilightPoints;
866    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxStorage;
867    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxFunctionDefs;
868    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxInstructionDefs;
869    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxStackElements;
870    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxSizeOfInstructions;
871    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxComponentElements;
872    <a href="ft2-basic_types.html#FT_UShort">FT_UShort</a>  maxComponentDepth;
873
874  } <b>TT_MaxProfile</b>;
875
876</pre></table><br>
877<table align=center width="87%"><tr><td>
878<p>The maximum profile is a table containing many max values which can be used to pre-allocate arrays. This ensures that no memory allocation occurs during a glyph load.</p>
879</td></tr></table><br>
880<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>fields</b></em></td></tr><tr><td>
881<p></p>
882<table cellpadding=3 border=0>
883<tr valign=top><td><b>version</b></td><td>
884<p>The version number.</p>
885</td></tr>
886<tr valign=top><td><b>numGlyphs</b></td><td>
887<p>The number of glyphs in this TrueType font.</p>
888</td></tr>
889<tr valign=top><td><b>maxPoints</b></td><td>
890<p>The maximum number of points in a non-composite TrueType glyph. See also the structure element &lsquo;maxCompositePoints&rsquo;.</p>
891</td></tr>
892<tr valign=top><td><b>maxContours</b></td><td>
893<p>The maximum number of contours in a non-composite TrueType glyph. See also the structure element &lsquo;maxCompositeContours&rsquo;.</p>
894</td></tr>
895<tr valign=top><td><b>maxCompositePoints</b></td><td>
896<p>The maximum number of points in a composite TrueType glyph. See also the structure element &lsquo;maxPoints&rsquo;.</p>
897</td></tr>
898<tr valign=top><td><b>maxCompositeContours</b></td><td>
899<p>The maximum number of contours in a composite TrueType glyph. See also the structure element &lsquo;maxContours&rsquo;.</p>
900</td></tr>
901<tr valign=top><td><b>maxZones</b></td><td>
902<p>The maximum number of zones used for glyph hinting.</p>
903</td></tr>
904<tr valign=top><td><b>maxTwilightPoints</b></td><td>
905<p>The maximum number of points in the twilight zone used for glyph hinting.</p>
906</td></tr>
907<tr valign=top><td><b>maxStorage</b></td><td>
908<p>The maximum number of elements in the storage area used for glyph hinting.</p>
909</td></tr>
910<tr valign=top><td><b>maxFunctionDefs</b></td><td>
911<p>The maximum number of function definitions in the TrueType bytecode for this font.</p>
912</td></tr>
913<tr valign=top><td><b>maxInstructionDefs</b></td><td>
914<p>The maximum number of instruction definitions in the TrueType bytecode for this font.</p>
915</td></tr>
916<tr valign=top><td><b>maxStackElements</b></td><td>
917<p>The maximum number of stack elements used during bytecode interpretation.</p>
918</td></tr>
919<tr valign=top><td><b>maxSizeOfInstructions</b></td><td>
920<p>The maximum number of TrueType opcodes used for glyph hinting.</p>
921</td></tr>
922<tr valign=top><td><b>maxComponentElements</b></td><td>
923<p>The maximum number of simple (i.e., non- composite) glyphs in a composite glyph.</p>
924</td></tr>
925<tr valign=top><td><b>maxComponentDepth</b></td><td>
926<p>The maximum nesting depth of composite glyphs.</p>
927</td></tr>
928</table>
929</td></tr></table>
930<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
931<p>This structure is only used during font loading.</p>
932</td></tr></table>
933</td></tr></table>
934<hr width="75%">
935<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
936<td width="100%"></td>
937<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
938
939<table align=center width="75%"><tr><td>
940<h4><a name="FT_Sfnt_Tag">FT_Sfnt_Tag</a></h4>
941<table align=center width="87%"><tr><td>
942Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
943</td></tr></table><br>
944<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
945
946  <span class="keyword">typedef</span> <span class="keyword">enum</span>  FT_Sfnt_Tag_
947  {
948    ft_sfnt_head = 0,    /* <a href="ft2-truetype_tables.html#TT_Header">TT_Header</a>     */
949    ft_sfnt_maxp = 1,    /* <a href="ft2-truetype_tables.html#TT_MaxProfile">TT_MaxProfile</a> */
950    ft_sfnt_os2  = 2,    /* <a href="ft2-truetype_tables.html#TT_OS2">TT_OS2</a>        */
951    ft_sfnt_hhea = 3,    /* <a href="ft2-truetype_tables.html#TT_HoriHeader">TT_HoriHeader</a> */
952    ft_sfnt_vhea = 4,    /* <a href="ft2-truetype_tables.html#TT_VertHeader">TT_VertHeader</a> */
953    ft_sfnt_post = 5,    /* <a href="ft2-truetype_tables.html#TT_Postscript">TT_Postscript</a> */
954    ft_sfnt_pclt = 6,    /* <a href="ft2-truetype_tables.html#TT_PCLT">TT_PCLT</a>       */
955
956    sfnt_max   /* internal end mark */
957
958  } <b>FT_Sfnt_Tag</b>;
959
960</pre></table><br>
961<table align=center width="87%"><tr><td>
962<p>An enumeration used to specify the index of an SFNT table. Used in the <a href="ft2-truetype_tables.html#FT_Get_Sfnt_Table">FT_Get_Sfnt_Table</a> API function.</p>
963</td></tr></table><br>
964</td></tr></table>
965<hr width="75%">
966<table align=center width="75%"><tr><td><font size=-2>[<a href="ft2-index.html">Index</a>]</font></td>
967<td width="100%"></td>
968<td><font size=-2>[<a href="ft2-toc.html">TOC</a>]</font></td></tr></table>
969
970<table align=center width="75%"><tr><td>
971<h4><a name="FT_Get_Sfnt_Table">FT_Get_Sfnt_Table</a></h4>
972<table align=center width="87%"><tr><td>
973Defined in FT_TRUETYPE_TABLES_H (freetype/tttables.h).
974</td></tr></table><br>
975<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
976
977  FT_EXPORT( <span class=

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