initial commit

1 files changed, 131 insertions, 0 deletions

diff --git a/src/freetype/afshaper.c b/src/freetype/afshaper.c
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+/***************************************************************************/
+/*                                                                         */
+/*  afshaper.c                                                             */
+/*                                                                         */
+/*    HarfBuzz interface for accessing OpenType features (body).           */
+/*                                                                         */
+/*  Copyright 2013-2018 by                                                 */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used,       */
+/*  modified, and distributed under the terms of the FreeType project      */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#include "ft2build.h"
+#include FT_FREETYPE_H
+#include FT_ADVANCES_H
+#include "afglobal.h"
+#include "aftypes.h"
+#include "afshaper.h"
+
+
+  FT_Error
+  af_shaper_get_coverage( AF_FaceGlobals  globals,
+                          AF_StyleClass   style_class,
+                          FT_UShort*      gstyles,
+                          FT_Bool         default_script )
+  {
+    FT_UNUSED( globals );
+    FT_UNUSED( style_class );
+    FT_UNUSED( gstyles );
+    FT_UNUSED( default_script );
+
+    return FT_Err_Ok;
+  }
+
+
+  void*
+  af_shaper_buf_create( FT_Face  face )
+  {
+    FT_Error   error;
+    FT_Memory  memory = face->memory;
+    FT_ULong*  buf;
+
+
+    FT_MEM_ALLOC( buf, sizeof ( FT_ULong ) );
+
+    return (void*)buf;
+  }
+
+
+  void
+  af_shaper_buf_destroy( FT_Face  face,
+                         void*    buf )
+  {
+    FT_Memory  memory = face->memory;
+
+
+    FT_FREE( buf );
+  }
+
+
+  const char*
+  af_shaper_get_cluster( const char*      p,
+                         AF_StyleMetrics  metrics,
+                         void*            buf_,
+                         unsigned int*    count )
+  {
+    FT_Face    face      = metrics->globals->face;
+    FT_ULong   ch, dummy = 0;
+    FT_ULong*  buf       = (FT_ULong*)buf_;
+
+
+    while ( *p == ' ' )
+      p++;
+
+    GET_UTF8_CHAR( ch, p );
+
+    /* since we don't have an engine to handle clusters, */
+    /* we scan the characters but return zero            */
+    while ( !( *p == ' ' || *p == '\0' ) )
+      GET_UTF8_CHAR( dummy, p );
+
+    if ( dummy )
+    {
+      *buf   = 0;
+      *count = 0;
+    }
+    else
+    {
+      *buf   = FT_Get_Char_Index( face, ch );
+      *count = 1;
+    }
+
+    return p;
+  }
+
+
+  FT_ULong
+  af_shaper_get_elem( AF_StyleMetrics  metrics,
+                      void*            buf_,
+                      unsigned int     idx,
+                      FT_Long*         advance,
+                      FT_Long*         y_offset )
+  {
+    FT_Face   face        = metrics->globals->face;
+    FT_ULong  glyph_index = *(FT_ULong*)buf_;
+
+    FT_UNUSED( idx );
+
+
+    if ( advance )
+      FT_Get_Advance( face,
+                      glyph_index,
+                      FT_LOAD_NO_SCALE         |
+                      FT_LOAD_NO_HINTING       |
+                      FT_LOAD_IGNORE_TRANSFORM,
+                      advance );
+
+    if ( y_offset )
+      *y_offset = 0;
+
+    return glyph_index;
+  }
+
+
+/* END */