Refactor fx_font part 4

core/fxge/ge/cttfontdesc.cpp

+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fxge/ge/cttfontdesc.h"
+
+#include "core/fxge/include/fx_freetype.h"
+
+CTTFontDesc::~CTTFontDesc() {
+  if (m_Type == 1) {
+    if (m_SingleFace.m_pFace)
+      FXFT_Done_Face(m_SingleFace.m_pFace);
+  } else if (m_Type == 2) {
+    for (int i = 0; i < 16; i++) {
+      if (m_TTCFace.m_pFaces[i])
+        FXFT_Done_Face(m_TTCFace.m_pFaces[i]);
+    }
+  }
+  FX_Free(m_pFontData);
+}
+
+int CTTFontDesc::ReleaseFace(FXFT_Face face) {
+  if (m_Type == 1) {
+    if (m_SingleFace.m_pFace != face)
+      return -1;
+  } else if (m_Type == 2) {
+    int i;
+    for (i = 0; i < 16; i++) {
+      if (m_TTCFace.m_pFaces[i] == face)
+        break;
+    }
+    if (i == 16)
+      return -1;
+  }
+  m_RefCount--;
+  if (m_RefCount)
+    return m_RefCount;
+  delete this;
+  return 0;
+}