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+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkShaper_DEFINED
+#define SkShaper_DEFINED
+
+#include <memory>
+
+#include "SkPoint.h"
+#include "SkTypeface.h"
+
+class SkPaint;
+class SkTextBlobBuilder;
+
+/**
+ Shapes text using HarfBuzz and places the shaped text into a
+ TextBlob.
+
+ If compiled without HarfBuzz, fall back on SkPaint::textToGlyphs.
+ */
+class SkShaper {
+public:
+ SkShaper(sk_sp<SkTypeface> face);
+ ~SkShaper();
+
+ bool good() const;
+ SkPoint shape(SkTextBlobBuilder* dest,
+ const SkPaint& srcPaint,
+ const char* utf8text,
+ size_t textBytes,
+ bool leftToRight,
+ SkPoint point,
+ SkScalar width) const;
+
+private:
+ SkShaper(const SkShaper&) = delete;
+ SkShaper& operator=(const SkShaper&) = delete;
+
+ struct Impl;
+ std::unique_ptr<Impl> fImpl;
+};
+
+#endif // SkShaper_DEFINED