Fix decompose() implementations to work with non-starter non-composables
[framework/uifw/harfbuzz.git] / src / hb-shape.cc
index 0a6f1dc..1ff830a 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009  Red Hat, Inc.
+ * Copyright © 2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
@@ -24,7 +24,7 @@
  * Red Hat Author(s): Behdad Esfahbod
  */
 
-#include "hb-private.h"
+#include "hb-private.hh"
 
 #include "hb-shape.h"
 
@@ -40,33 +40,19 @@ HB_BEGIN_DECLS
 
 
 static void
-hb_shape_internal (hb_font_t    *font,
-                  hb_face_t    *face,
-                  hb_buffer_t  *buffer,
-                  hb_feature_t *features,
-                  unsigned int  num_features)
+hb_shape_internal (hb_font_t          *font,
+                  hb_buffer_t        *buffer,
+                  const hb_feature_t *features,
+                  unsigned int        num_features)
 {
-#if 0 && defined(HAVE_GRAPHITE)
-  hb_blob_t *silf_blob;
-  silf_blob = hb_face_get_table (face, HB_GRAPHITE_TAG_Silf);
-  if (hb_blob_get_length(silf_blob))
-  {
-    hb_graphite_shape(font, face, buffer, features, num_features);
-    hb_blob_destroy(silf_blob);
-    return;
-  }
-  hb_blob_destroy(silf_blob);
-#endif
-
-  hb_ot_shape (font, face, buffer, features, num_features);
+  hb_ot_shape (font, buffer, features, num_features);
 }
 
 void
-hb_shape (hb_font_t    *font,
-         hb_face_t    *face,
-         hb_buffer_t  *buffer,
-         hb_feature_t *features,
-         unsigned int  num_features)
+hb_shape (hb_font_t          *font,
+         hb_buffer_t        *buffer,
+         const hb_feature_t *features,
+         unsigned int        num_features)
 {
   hb_segment_properties_t orig_props;
 
@@ -74,11 +60,13 @@ hb_shape (hb_font_t    *font,
 
   /* If script is set to INVALID, guess from buffer contents */
   if (buffer->props.script == HB_SCRIPT_INVALID) {
-    hb_unicode_get_script_func_t get_script = buffer->unicode->v.get_script;
+    hb_unicode_funcs_t *unicode = buffer->unicode;
     unsigned int count = buffer->len;
     for (unsigned int i = 0; i < count; i++) {
-      hb_script_t script = get_script (buffer->info[i].codepoint);
-      if (likely (script > HB_SCRIPT_INHERITED)) {
+      hb_script_t script = hb_unicode_script (unicode, buffer->info[i].codepoint);
+      if (likely (script != HB_SCRIPT_COMMON &&
+                 script != HB_SCRIPT_INHERITED &&
+                 script != HB_SCRIPT_UNKNOWN)) {
         buffer->props.script = script;
         break;
       }
@@ -91,12 +79,12 @@ hb_shape (hb_font_t    *font,
   }
 
   /* If language is not set, use default language from locale */
-  if (buffer->props.language == NULL) {
+  if (buffer->props.language == HB_LANGUAGE_INVALID) {
     /* TODO get_default_for_script? using $LANGUAGE */
-    //buffer->props.language = hb_language_get_default ();
+    buffer->props.language = hb_language_get_default ();
   }
 
-  hb_shape_internal (font, face, buffer, features, num_features);
+  hb_shape_internal (font, buffer, features, num_features);
 
   buffer->props = orig_props;
 }