Fix compiler warnings with -pedantic

[framework/uifw/harfbuzz.git] / src / hb-shape.cc

diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index 4f39cf9..8855eaf 100644 (file)
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2009  Red Hat, Inc.
+ * Copyright © 2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
@@ -24,37 +24,70 @@
  * Red Hat Author(s): Behdad Esfahbod
  */
 
-#include "hb-private.h"
+#include "hb-private.hh"
 
 #include "hb-shape.h"
 
 #include "hb-buffer-private.hh"
 
-#include "hb-ot-shape-private.hh"
+#include "hb-ot-shape.h"
 
 #ifdef HAVE_GRAPHITE
 #include "hb-graphite.h"
 #endif
 
+HB_BEGIN_DECLS
+
+
+static void
+hb_shape_internal (hb_font_t          *font,
+                  hb_buffer_t        *buffer,
+                  const hb_feature_t *features,
+                  unsigned int        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)
 {
-#ifdef 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_segment_properties_t orig_props;
+
+  orig_props = buffer->props;
+
+  /* If script is set to INVALID, guess from buffer contents */
+  if (buffer->props.script == HB_SCRIPT_INVALID) {
+    hb_unicode_funcs_t *unicode = buffer->unicode;
+    unsigned int count = buffer->len;
+    for (unsigned int i = 0; i < count; i++) {
+      hb_script_t script = unicode->get_script (buffer->info[i].codepoint);
+      if (likely (script != HB_SCRIPT_COMMON &&
+                 script != HB_SCRIPT_INHERITED &&
+                 script != HB_SCRIPT_UNKNOWN)) {
+        buffer->props.script = script;
+        break;
+      }
+    }
   }
-  hb_blob_destroy(silf_blob);
-#endif
 
-  hb_ot_shape (font, face, buffer, features, num_features);
+  /* If direction is set to INVALID, guess from script */
+  if (buffer->props.direction == HB_DIRECTION_INVALID) {
+    buffer->props.direction = hb_script_get_horizontal_direction (buffer->props.script);
+  }
+
+  /* If language is not set, use default language from locale */
+  if (buffer->props.language == HB_LANGUAGE_INVALID) {
+    /* TODO get_default_for_script? using $LANGUAGE */
+    buffer->props.language = hb_language_get_default ();
+  }
+
+  hb_shape_internal (font, buffer, features, num_features);
+
+  buffer->props = orig_props;
 }
+
+
+HB_END_DECLS