1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkShaper_DEFINED 9 #define SkShaper_DEFINED 10 11 #include <memory> 12 13 #include "SkPoint.h" 14 #include "SkTypeface.h" 15 16 class SkPaint; 17 class SkTextBlobBuilder; 18 19 /** 20 Shapes text using HarfBuzz and places the shaped text into a 21 TextBlob. 22 23 If compiled without HarfBuzz, fall back on SkPaint::textToGlyphs. 24 */ 25 class SkShaper { 26 public: 27 SkShaper(sk_sp<SkTypeface> face); 28 ~SkShaper(); 29 30 bool good() const; 31 SkScalar shape(SkTextBlobBuilder* dest, 32 const SkPaint& srcPaint, 33 const char* utf8text, 34 size_t textBytes, 35 SkPoint point) const; 36 37 private: 38 SkShaper(const SkShaper&) = delete; 39 SkShaper& operator=(const SkShaper&) = delete; 40 41 struct Impl; 42 std::unique_ptr<Impl> fImpl; 43 }; 44 45 #endif // SkShaper_DEFINED 46