Imported Upstream version 1.4.6

[platform/upstream/harfbuzz.git] / src / hb-ft.cc

diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index eaa1311..48d6a0e 100644 (file)
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -33,7 +33,10 @@
 
 #include "hb-font-private.hh"
 
+#include "hb-cache-private.hh" // Maybe use in the future?
+
 #include FT_ADVANCES_H
+#include FT_MULTIPLE_MASTERS_H
 #include FT_TRUETYPE_TABLES_H
 
 
@@ -606,14 +609,36 @@ hb_ft_font_create (FT_Face           ft_face,
   hb_face_destroy (face);
   _hb_ft_font_set_funcs (font, ft_face, false);
   hb_font_set_scale (font,
-                    (int) (((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM + (1<<15)) >> 16),
-                    (int) (((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM + (1<<15)) >> 16));
+                    (int) (((uint64_t) ft_face->size->metrics.x_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16),
+                    (int) (((uint64_t) ft_face->size->metrics.y_scale * (uint64_t) ft_face->units_per_EM + (1u<<15)) >> 16));
 #if 0 /* hb-ft works in no-hinting model */
   hb_font_set_ppem (font,
                    ft_face->size->metrics.x_ppem,
                    ft_face->size->metrics.y_ppem);
 #endif
 
+#ifdef HAVE_FT_GET_VAR_BLEND_COORDINATES
+  FT_MM_Var *mm_var = NULL;
+  if (!FT_Get_MM_Var (ft_face, &mm_var))
+  {
+    FT_Fixed *ft_coords = (FT_Fixed *) calloc (mm_var->num_axis, sizeof (FT_Fixed));
+    int *coords = (int *) calloc (mm_var->num_axis, sizeof (int));
+    if (coords && ft_coords)
+    {
+      if (!FT_Get_Var_Blend_Coordinates (ft_face, mm_var->num_axis, ft_coords))
+      {
+       for (unsigned int i = 0; i < mm_var->num_axis; ++i)
+         coords[i] = ft_coords[i] >>= 2;
+
+       hb_font_set_var_coords_normalized (font, coords, mm_var->num_axis);
+      }
+      free (coords);
+      free (ft_coords);
+    }
+    free (mm_var);
+  }
+#endif
+
   return font;
 }
 
@@ -716,6 +741,20 @@ hb_ft_font_set_funcs (hb_font_t *font)
     FT_Set_Transform (ft_face, &matrix, NULL);
   }
 
+  unsigned int num_coords;
+  const int *coords = hb_font_get_var_coords_normalized (font, &num_coords);
+  if (num_coords)
+  {
+    FT_Fixed *ft_coords = (FT_Fixed *) calloc (num_coords, sizeof (FT_Fixed));
+    if (ft_coords)
+    {
+      for (unsigned int i = 0; i < num_coords; i++)
+       ft_coords[i] = coords[i] << 2;
+      FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords);
+      free (ft_coords);
+    }
+  }
+
   ft_face->generic.data = blob;
   ft_face->generic.finalizer = (FT_Generic_Finalizer) _release_blob;