[LayoutNG] Add NG-specific DrawText support to GraphicsContext

third_party/WebKit/Source/platform/fonts/Font.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 42 matching lines @@
 class FontData;
 class FontSelector;
 class ShapeCache;
 class TextRun;
 struct TextRunPaintInfo;
 
 // Represents text content of a NGPhysicalTextFragment for painting.
 // TODO(eae): Move to a separate file?
 struct PLATFORM_EXPORT TextFragmentPaintInfo {
   const StringView text;
+  TextDirection direction;
   unsigned from;
   unsigned to;
   const ShapeResult* shape_result;
 };
 
 class PLATFORM_EXPORT Font {
   DISALLOW_NEW();
 
  public:
   Font();
@@ skipping 31 matching lines @@
                     const FloatPoint&,
                     CustomFontNotReadyAction,
                     float device_scale_factor,
                     const PaintFlags&) const;
   void DrawEmphasisMarks(PaintCanvas*,
                          const TextRunPaintInfo&,
                          const AtomicString& mark,
                          const FloatPoint&,
                          float device_scale_factor,
                          const PaintFlags&) const;
+  void DrawEmphasisMarks(PaintCanvas*,
+                         const TextFragmentPaintInfo&,
+                         const AtomicString& mark,
+                         const FloatPoint&,
+                         float device_scale_factor,
+                         const PaintFlags&) const;
 
   struct TextIntercept {
     float begin_, end_;
   };
 
   // Compute the text intercepts along the axis of the advance and write them
   // into the specified Vector of TextIntercepts. The number of those is zero or
   // a multiple of two, and is at most the number of glyphs * 2 in the TextRun
   // part of TextRunPaintInfo. Specify bounds for the upper and lower extend of
   // a line crossing through the text, parallel to the baseline.
@@ skipping 123 matching lines @@
   // advance an additional tab stop.
   if (distance_to_tab_stop < font_data->SpaceWidth() / 2)
     distance_to_tab_stop += base_tab_width;
 
   return distance_to_tab_stop;
 }
 
 }  // namespace blink
 
 #endif