(OTF_get_scripts, OTF_get_features,

OTF_check_features): Extern them.

diff --git a/src/otf.h b/src/otf.h
index 38936dc..19b417b 100644 (file)
--- a/src/otf.h
+++ b/src/otf.h
@@ -1111,6 +1111,52 @@ extern int OTF_get_table (OTF *otf, char *name);
 
 extern int OTF_check_table (OTF *otf, char *name);
 
+/*** (2-5) OTF_get_scripts () */
+
+/***
+    Get supported scripts.
+
+    The OTF_get_scripts() function setups OTF_ScriptList of GSUB (if
+    $GSUBP is nonzero) or GPOS (if $GSUBP is zero) table of the
+    OpenType font $OTF.
+
+    If the table is successfully setup, return 0.  Otherwise, retrun
+    -1, and set the variable OTF_error to OTF_ERROR_TABLE.  */
+
+extern int OTF_get_scripts (OTF *otf, int gsubp);
+
+/*** (2-6) OTF_get_features () */
+
+/***
+    Get supported features.
+
+    The OTF_get_features() function setups OTF_FeatureList of GSUB (if
+    $GSUBP is nonzero) or GPOS (if $GSUBP is zero) table of the
+    OpenType font $OTF.
+
+    If the table is successfully setup, return 0.  Otherwise, retrun
+    -1, and set the variable OTF_error to OTF_ERROR_TABLE.  */
+
+extern int OTF_get_features (OTF *otf, int gsubp);
+
+/*** (2-7) OTF_check_features  */
+
+/***
+    Check supported features.
+
+    The OTF_check_features() function checks if or not the OpenType
+    font $OTF has, for $SCRIPT and $LANGUAGE, all features in the
+    array $FEATURES.  The array size is $N_FEATURES.  If $LANGUAGE is
+    zero or $OTF doesn't have LangSys for $SCRIPT, the default LangSys
+    is checked.
+
+    If $OTF has all the features, return 1.  Otherwise, return 0.  If
+    an error occurs, return -1, and set the variable OTF_error to
+    OTF_ERROR_TABLE.   */
+
+extern int OTF_check_features (OTF *otf, int gsubp,
+                              OTF_Tag script, OTF_Tag language,
+                              OTF_Tag *features, int n_features);
 
 /*** (3) API for driving OTF */