diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/include/effects/Sk2DPathEffect.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/include/effects/Sk2DPathEffect.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2006 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef Sk2DPathEffect_DEFINED
+#define Sk2DPathEffect_DEFINED
+
+#include "SkPath.h"
+#include "SkPathEffect.h"
+#include "SkMatrix.h"
+
+class SK_API Sk2DPathEffect : public SkPathEffect {
+public:
+    static Sk2DPathEffect* Create(const SkMatrix& mat) {
+        return SkNEW_ARGS(Sk2DPathEffect, (mat));
+    }
+
+    virtual bool filterPath(SkPath*, const SkPath&,
+                            SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
+
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Sk2DPathEffect)
+
+protected:
+    /** New virtual, to be overridden by subclasses.
+        This is called once from filterPath, and provides the
+        uv parameter bounds for the path. Subsequent calls to
+        next() will receive u and v values within these bounds,
+        and then a call to end() will signal the end of processing.
+    */
+    virtual void begin(const SkIRect& uvBounds, SkPath* dst) const;
+    virtual void next(const SkPoint& loc, int u, int v, SkPath* dst) const;
+    virtual void end(SkPath* dst) const;
+
+    /** Low-level virtual called per span of locations in the u-direction.
+        The default implementation calls next() repeatedly with each
+        location.
+    */
+    virtual void nextSpan(int u, int v, int ucount, SkPath* dst) const;
+
+    const SkMatrix& getMatrix() const { return fMatrix; }
+
+    // protected so that subclasses can call this during unflattening
+    Sk2DPathEffect(SkReadBuffer&);
+    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
+
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    Sk2DPathEffect(const SkMatrix& mat);
+
+private:
+    SkMatrix    fMatrix, fInverse;
+    bool        fMatrixIsInvertible;
+
+    // illegal
+    Sk2DPathEffect(const Sk2DPathEffect&);
+    Sk2DPathEffect& operator=(const Sk2DPathEffect&);
+
+    friend class Sk2DPathEffectBlitter;
+    typedef SkPathEffect INHERITED;
+};
+
+class SK_API SkLine2DPathEffect : public Sk2DPathEffect {
+public:
+    static SkLine2DPathEffect* Create(SkScalar width, const SkMatrix& matrix) {
+        return SkNEW_ARGS(SkLine2DPathEffect, (width, matrix));
+    }
+
+    virtual bool filterPath(SkPath* dst, const SkPath& src,
+                            SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
+
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLine2DPathEffect)
+
+protected:
+    virtual void nextSpan(int u, int v, int ucount, SkPath*) const SK_OVERRIDE;
+
+    SkLine2DPathEffect(SkReadBuffer&);
+
+    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
+
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkLine2DPathEffect(SkScalar width, const SkMatrix& matrix)
+    : Sk2DPathEffect(matrix), fWidth(width) {}
+
+private:
+    SkScalar fWidth;
+
+    typedef Sk2DPathEffect INHERITED;
+};
+
+class SK_API SkPath2DPathEffect : public Sk2DPathEffect {
+public:
+    /**
+     *  Stamp the specified path to fill the shape, using the matrix to define
+     *  the latice.
+     */
+    static SkPath2DPathEffect* Create(const SkMatrix& matrix, const SkPath& path) {
+        return SkNEW_ARGS(SkPath2DPathEffect, (matrix, path));
+    }
+
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPath2DPathEffect)
+
+protected:
+    SkPath2DPathEffect(SkReadBuffer& buffer);
+    virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
+
+    virtual void next(const SkPoint&, int u, int v, SkPath*) const SK_OVERRIDE;
+
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkPath2DPathEffect(const SkMatrix&, const SkPath&);
+
+private:
+    SkPath  fPath;
+
+    typedef Sk2DPathEffect INHERITED;
+};
+
+#endif