NOT FOR SUBMIT - Windows Views HiDPI

ui/gfx/font.h

 // Copyright (c) 2012 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 UI_GFX_FONT_H_
 #define UI_GFX_FONT_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 35 matching lines @@
   Font(const std::string& font_name, int font_size);
 
   ~Font();
 
   // Returns a new Font derived from the existing font.
   // |size_deta| is the size in pixels to add to the current font. For example,
   // a value of 5 results in a font 5 pixels bigger than this font.
   Font DeriveFont(int size_delta) const;
 
   // Returns a new Font derived from the existing font.
+  // |size_scale| is the relative scaling of the new font. For example, a value
+  // a value of 1.2 results in a font 20 percent bigger than this font.
+  Font DeriveFontScaled(float size_scale) const;
+
+  // Returns a new Font derived from the existing font.
   // |size_delta| is the size in pixels to add to the current font. See the
   // single argument version of this method for an example.
   // The style parameter specifies the new style for the font, and is a
   // bitmask of the values: BOLD, ITALIC and UNDERLINE.
   Font DeriveFont(int size_delta, int style) const;
 
   // Returns the number of vertical pixels needed to display characters from
   // the specified font.  This may include some leading, i.e. height may be
   // greater than just ascent + descent.  Specifically, the Windows and Mac
   // implementations include leading and the Linux one does not.  This may
@@ skipping 39 matching lines @@
   PlatformFont* platform_font() const { return platform_font_.get(); }
 
  private:
   // Wrapped platform font implementation.
   scoped_refptr<PlatformFont> platform_font_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_FONT_H_