UI font localization part 2

chrome/common/l10n_util_win.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_COMMON_L10N_UTIL_WIN_H_
 #define CHROME_COMMON_L10N_UTIL_WIN_H_
 
 #include <windows.h>
 
 namespace l10n_util {
 
 // Returns the locale-dependent extended window styles.
 // This function is used for adding locale-dependent extended window styles
 // (e.g. WS_EX_LAYOUTRTL, WS_EX_RTLREADING, etc.) when creating a window.
 // Callers should OR this value into their extended style value when creating
 // a window.
 int GetExtendedStyles();
 
 // TODO(xji):
 // This is a temporary name, it will eventually replace GetExtendedStyles
 int GetExtendedTooltipStyles();
 
 // Give an HWND, this function sets the WS_EX_LAYOUTRTL extended style for the
 // underlying window. When this style is set, the UI for the window is going to
 // be mirrored. This is generally done for the UI of right-to-left languages
 // such as Hebrew.
 void HWNDSetRTLLayout(HWND hwnd);
 
+// See http://blogs.msdn.com/oldnewthing/archive/2005/09/15/467598.aspx
+// and  http://blogs.msdn.com/oldnewthing/archive/2006/06/26/647365.aspx
+// as to why we need these three functions. 
+
+// Return true if the default font (we get from Windows) is not suitable
+// to use in the UI of the current UI (e.g. Malayalam, Bengali). If
+// override_font_family and font_size_scaler are not null, they'll be
+// filled with the font family name and the size scaler.
+bool NeedOverrideDefaultUIFont(std::wstring* override_font_family,
+                               double* font_size_scaler);
+
+// If the default UI font stored in |logfont| is not suitable, its family
+// and size are replaced with those stored in the per-locale resource.
+void AdjustUIFont(LOGFONT* logfont);
+
+// If the font for a given window (pointed to by HWND) is not suitable for the
+// UI in the current UI langauge, its family and size are replaced with those
+// stored in the per-locale resource.
+void AdjustUIFontForWindow(HWND hwnd);
+
 }  // namespace l10n_util
 
 #endif  // CHROME_COMMON_L10N_UTIL_WIN_H_