Move distance field text positioning into GrTextUtils

src/gpu/text/GrAtlasTextContext.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrAtlasTextContext_DEFINED
 #define GrAtlasTextContext_DEFINED
 
@@ skipping 36 matching lines @@
                        const char text[], size_t byteLength,
                        const SkScalar pos[], int scalarsPerPosition,
                        const SkPoint& offset, const SkIRect& regionClipBounds) override;
     void drawTextBlob(GrDrawContext*, const GrClip&, const SkPaint&,
                       const SkMatrix& viewMatrix, const SkTextBlob*, SkScalar x, SkScalar y,
                       SkDrawFilter*, const SkIRect& clipBounds) override;
 
     typedef GrAtlasTextBlob::Run Run;
     typedef Run::SubRunInfo PerSubRunInfo;
 
-    inline bool canDrawAsDistanceFields(const SkPaint&, const SkMatrix& viewMatrix);
-    bool dfAppendGlyph(GrAtlasTextBlob*, int runIndex, const SkGlyph&, SkScalar sx, SkScalar sy,
-                       GrColor color, GrFontScaler*, SkScalar textRatio,
-                       const SkMatrix& viewMatrix);
-
-    // A helper for drawing BitmapText in a run of distance fields
-    inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex,
-                                    GrColor color,
-                                    const SkPaint&, const SkMatrix& viewMatrix,
-                                    const SkTDArray<char>& fallbackTxt,
-                                    const SkTDArray<SkScalar>& fallbackPos,
-                                    int scalarsPerPosition,
-                                    const SkPoint& offset);
-
-    void internalDrawDFText(GrAtlasTextBlob*, int runIndex,
-                            const SkPaint&,
-                            GrColor color, const SkMatrix& viewMatrix,
-                            const char text[], size_t byteLength,
-                            SkScalar x, SkScalar y);
-    void internalDrawDFPosText(GrAtlasTextBlob*, int runIndex,
-                               const SkPaint&,
-                               GrColor color, const SkMatrix& viewMatrix,
-                               const char text[], size_t byteLength,
-                               const SkScalar pos[], int scalarsPerPosition,
-                               const SkPoint& offset);
-
     // sets up the descriptor on the blob and returns a detached cache.  Client must attach
     inline static GrColor ComputeCanonicalColor(const SkPaint&, bool lcd);
     void regenerateTextBlob(GrAtlasTextBlob* bmp, const SkPaint& skPaint, GrColor,
                             const SkMatrix& viewMatrix,
                             const SkTextBlob* blob, SkScalar x, SkScalar y,
                             SkDrawFilter* drawFilter);
     inline static bool HasLCD(const SkTextBlob*);
-    inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* textRatio,
-                                       const SkMatrix&);
 
     // Test methods
     // TODO this is really ugly.  It'd be much nicer if positioning could be moved to batch
     inline GrAtlasTextBlob* createDrawTextBlob(const GrPaint&,
                                                const SkPaint&, const SkMatrix& viewMatrix,
                                                const char text[], size_t byteLength,
                                                SkScalar x, SkScalar y);
     inline GrAtlasTextBlob* createDrawPosTextBlob(const GrPaint&,
                                                   const SkPaint&, const SkMatrix& viewMatrix,
                                                   const char text[], size_t byteLength,
                                                   const SkScalar pos[], int scalarsPerPosition,
                                                   const SkPoint& offset);
     const GrDistanceFieldAdjustTable* dfAdjustTable() const { return fDistanceAdjustTable; }
 
     GrBatchTextStrike* fCurrStrike;
     GrTextBlobCache* fCache;
     SkAutoTUnref<const GrDistanceFieldAdjustTable> fDistanceAdjustTable;
 
 #ifdef GR_TEST_UTILS
     DRAW_BATCH_TEST_FRIEND(TextBlobBatch);
 #endif
 
     typedef GrTextContext INHERITED;
 };
 
 #endif