[LayoutNG] Add NG-specific DrawText support to GraphicsContext

third_party/WebKit/Source/platform/fonts/shaping/ShapeResultBloberizer.h

 // Copyright 2017 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 ShapeResultBloberizer_h
 #define ShapeResultBloberizer_h
 
 #include "platform/PlatformExport.h"
 #include "platform/fonts/Glyph.h"
 #include "platform/fonts/SimpleFontData.h"
@@ skipping 21 matching lines @@
   Type GetType() const { return type_; }
 
   float FillGlyphs(const TextRunPaintInfo&, const ShapeResultBuffer&);
   float FillGlyphs(const StringView&,
                    unsigned from,
                    unsigned to,
                    const ShapeResult*);
   void FillTextEmphasisGlyphs(const TextRunPaintInfo&,
                               const GlyphData& emphasis_data,
                               const ShapeResultBuffer&);
+  void FillTextEmphasisGlyphs(const StringView&,
+                              TextDirection,
+                              unsigned from,
+                              unsigned to,
+                              const GlyphData& emphasis_data,
+                              const ShapeResult*);
 
   void Add(Glyph glyph, const SimpleFontData* font_data, float h_offset) {
     // cannot mix x-only/xy offsets
     DCHECK(!HasPendingVerticalOffsets());
 
     if (UNLIKELY(font_data != pending_font_data_)) {
       CommitPendingRun();
       pending_font_data_ = font_data;
       DCHECK_EQ(GetBlobRotation(font_data), BlobRotation::kNoRotation);
     }
@@ skipping 51 matching lines @@
 
   // Whether the FillFastHorizontalGlyphs can be used. Only applies for full
   // runs with no vertical offsets and no text intercepts.
   bool CanUseFastPath(unsigned from,
                       unsigned to,
                       unsigned length,
                       bool has_vertical_offsets);
   float FillFastHorizontalGlyphs(const ShapeResultBuffer&, TextDirection);
   float FillFastHorizontalGlyphs(const ShapeResult*, float advance = 0);
 
+  template <typename TextContainerType>
   float FillTextEmphasisGlyphsForRun(const ShapeResult::RunInfo*,
-                                     const TextRunPaintInfo&,
+                                     const TextContainerType&,
+                                     unsigned text_length,
+                                     TextDirection,
+                                     unsigned from,
+                                     unsigned to,
                                      const GlyphData& emphasis_data,
                                      float initial_advance,
                                      unsigned run_offset);
 
   void CommitPendingRun();
   void CommitPendingBlob();
 
   bool HasPendingVerticalOffsets() const;
   static BlobRotation GetBlobRotation(const SimpleFontData*);
 
@@ skipping 12 matching lines @@
   Vector<float, 1024> pending_offsets_;
   float pending_vertical_baseline_x_offset_ = 0;
 
   // Constructed blobs.
   BlobBuffer blobs_;
 };
 
 }  // namespace blink
 
 #endif  // ShapeResultBloberizer_h