1 files changed, 38 insertions, 0 deletions
diff --git a/gpu/GrFontScaler.h b/gpu/GrFontScaler.h
new file mode 100644
index 0000000..f5dcf53
--- /dev/null
+++ b/gpu/GrFontScaler.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrFontScaler_DEFINED
+#define GrFontScaler_DEFINED
+
+#include "GrGlyph.h"
+#include "GrKey.h"
+
+class SkPath;
+
+/**
+ *  This is a virtual base class which Gr's interface to the host platform's
+ *  font scaler.
+ *
+ *  The client is responsible for subclassing, and instantiating this. The
+ *  instance is create for a specific font+size+matrix.
+ */
+class GrFontScaler : public GrRefCnt {
+public:
+    SK_DECLARE_INST_COUNT(GrFontScaler)
+
+    virtual const GrKey* getKey() = 0;
+    virtual GrMaskFormat getMaskFormat() = 0;
+    virtual bool getPackedGlyphBounds(GrGlyph::PackedID, SkIRect* bounds) = 0;
+    virtual bool getPackedGlyphImage(GrGlyph::PackedID, int width, int height,
+                                     int rowBytes, void* image) = 0;
+    virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0;
+
+private:
+    typedef GrRefCnt INHERITED;
+};
+
+#endif