Update freetype to the latest version of Android external/freetype

src/cff/cffobjs.c

Index: src/cff/cffobjs.c
diff --git a/src/cff/cffobjs.c b/src/cff/cffobjs.c
index cd386762dc4090ff7c392621fc165d9540bd618b..6ad0e508974bf8c408dc1291c7006f1e4539f952 100644
--- a/src/cff/cffobjs.c
+++ b/src/cff/cffobjs.c
@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    OpenType objects manager (body).                                     */
 /*                                                                         */
-/*  Copyright 1996-2011 by                                                 */
+/*  Copyright 1996-2012 by                                                 */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -403,7 +403,7 @@
     FT_Int32  idx             = 0;
     FT_Int32  length          = strlen( name ) + 1;
     FT_Bool   continue_search = 1;
- 
+
 
     while ( continue_search )
     {
@@ -494,13 +494,19 @@
     sfnt = (SFNT_Service)FT_Get_Module_Interface(
              library, "sfnt" );
     if ( !sfnt )
-      goto Bad_Format;
+    {
+      FT_ERROR(( "cff_face_init: cannot access `sfnt' module\n" ));
+      error = CFF_Err_Missing_Module;
+      goto Exit;
+    }
 
     FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
 
     pshinter = (PSHinter_Service)FT_Get_Module_Interface(
                  library, "pshinter" );
 
+    FT_TRACE2(( "CFF driver\n" ));
+
     /* create input stream from resource */
     if ( FT_STREAM_SEEK( 0 ) )
       goto Exit;
@@ -511,8 +517,9 @@
     {
       if ( face->format_tag != TTAG_OTTO )  /* `OTTO'; OpenType/CFF font */
       {
-        FT_TRACE2(( "[not a valid OpenType/CFF font]\n" ));
-        goto Bad_Format;
+        FT_TRACE2(( "  not an OpenType/CFF font\n" ));
+        error = CFF_Err_Unknown_File_Format;
+        goto Exit;
       }
 
       /* if we are performing a simple font format check, exit immediately */
@@ -604,10 +611,29 @@
                    " cannot open CFF & CEF fonts\n"
                    "              "
                    " without the `PSNames' module\n" ));
-        goto Bad_Format;
+        error = CFF_Err_Missing_Module;
+        goto Exit;
       }
 
-      if ( !dict->units_per_em )
+#ifdef FT_DEBUG_LEVEL_TRACE
+      {
+        FT_UInt     idx;
+        FT_String*  s;
+
+
+        FT_TRACE4(( "SIDs\n" ));
+
+        /* dump string index, including default strings for convenience */
+        for ( idx = 0; idx < cff->num_strings + 390; idx++ )
+        {
+          s = cff_index_get_sid_string( cff, idx );
+          if ( s )
+            FT_TRACE4(("  %5d %s\n", idx, s ));
+        }
+      }
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+      if ( !dict->has_font_matrix )
         dict->units_per_em = pure_cff ? 1000 : face->root.units_per_EM;
 
       /* Normalize the font matrix so that `matrix->xx' is 1; the */
@@ -652,26 +678,32 @@
         FT_Fixed    temp;
 
 
-        if ( sub->units_per_em )
+        if ( sub->has_font_matrix )
         {
           FT_Long  scaling;
 
 
-          if ( top->units_per_em > 1 && sub->units_per_em > 1 )
-            scaling = FT_MIN( top->units_per_em, sub->units_per_em );
-          else
-            scaling = 1;
-
-          FT_Matrix_Multiply_Scaled( &top->font_matrix,
-                                     &sub->font_matrix,
-                                     scaling );
-          FT_Vector_Transform_Scaled( &sub->font_offset,
-                                      &top->font_matrix,
-                                      scaling );
-
-          sub->units_per_em = FT_MulDiv( sub->units_per_em,
-                                         top->units_per_em,
-                                         scaling );
+          /* if we have a top-level matrix, */
+          /* concatenate the subfont matrix */
+
+          if ( top->has_font_matrix )
+          {
+            if ( top->units_per_em > 1 && sub->units_per_em > 1 )
+              scaling = FT_MIN( top->units_per_em, sub->units_per_em );
+            else
+              scaling = 1;
+
+            FT_Matrix_Multiply_Scaled( &top->font_matrix,
+                                       &sub->font_matrix,
+                                       scaling );
+            FT_Vector_Transform_Scaled( &sub->font_offset,
+                                        &top->font_matrix,
+                                        scaling );
+
+            sub->units_per_em = FT_MulDiv( sub->units_per_em,
+                                           top->units_per_em,
+                                           scaling );
+          }
         }
         else
         {
@@ -690,16 +722,6 @@
         {
           *upm = FT_DivFix( *upm, temp );
 
-          /* if *upm is larger than 100*1000 we divide by 1000 --     */
-          /* this can happen if e.g. there is no top-font FontMatrix  */
-          /* and the subfont FontMatrix already contains the complete */
-          /* scaling for the subfont (see section 5.11 of the PLRM)   */
-
-          /* 100 is a heuristic value */
-
-          if ( *upm > 100L * 1000L )
-            *upm = ( *upm + 500 ) / 1000;
-
           matrix->xx = FT_DivFix( matrix->xx, temp );
           matrix->yx = FT_DivFix( matrix->yx, temp );
           matrix->xy = FT_DivFix( matrix->xy, temp );
@@ -758,7 +780,7 @@
           char*  family_name = NULL;
 
 
-          remove_subset_prefix( cffface->family_name ); 
+          remove_subset_prefix( cffface->family_name );
 
           if ( dict->family_name )
           {
@@ -805,7 +827,7 @@
                 style_name = cff_strcpy( memory, fullp );
 
                 /* remove the style part from the family name (if present) */
-                remove_style( cffface->family_name, style_name ); 
+                remove_style( cffface->family_name, style_name );
               }
               break;
             }
@@ -833,22 +855,22 @@
         /*                                                                 */
         /* Compute face flags.                                             */
         /*                                                                 */
-        flags = (FT_UInt32)( FT_FACE_FLAG_SCALABLE   | /* scalable outlines */
-                             FT_FACE_FLAG_HORIZONTAL | /* horizontal data   */
-                             FT_FACE_FLAG_HINTER );    /* has native hinter */
+        flags = FT_FACE_FLAG_SCALABLE   | /* scalable outlines */
+                FT_FACE_FLAG_HORIZONTAL | /* horizontal data   */
+                FT_FACE_FLAG_HINTER;      /* has native hinter */
 
         if ( sfnt_format )
-          flags |= (FT_UInt32)FT_FACE_FLAG_SFNT;
+          flags |= FT_FACE_FLAG_SFNT;
 
         /* fixed width font? */
         if ( dict->is_fixed_pitch )
-          flags |= (FT_UInt32)FT_FACE_FLAG_FIXED_WIDTH;
+          flags |= FT_FACE_FLAG_FIXED_WIDTH;
 
   /* XXX: WE DO NOT SUPPORT KERNING METRICS IN THE GPOS TABLE FOR NOW */
 #if 0
         /* kerning available? */
         if ( face->kern_pairs )
-          flags |= (FT_UInt32)FT_FACE_FLAG_KERNING;
+          flags |= FT_FACE_FLAG_KERNING;
 #endif
 
         cffface->face_flags = flags;
@@ -1000,10 +1022,6 @@
 
   Exit:
     return error;
-
-  Bad_Format:
-    error = CFF_Err_Unknown_File_Format;
-    goto Exit;
   }