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-rw-r--r--include/effects/Sk2DPathEffect.h73
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diff --git a/include/effects/Sk2DPathEffect.h b/include/effects/Sk2DPathEffect.h
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+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef Sk2DPathEffect_DEFINED
+#define Sk2DPathEffect_DEFINED
+
+#include "SkPathEffect.h"
+#include "SkMatrix.h"
+
+// This class is not exported to java.
+class Sk2DPathEffect : public SkPathEffect {
+public:
+ Sk2DPathEffect(const SkMatrix& mat);
+
+ // overrides
+ // This method is not exported to java.
+ virtual bool filterPath(SkPath* dst, const SkPath& src, SkScalar* width);
+
+ // overrides from SkFlattenable
+ // This method is not exported to java.
+ virtual void flatten(SkFlattenableWriteBuffer&);
+
+ // This method is not exported to java.
+ virtual Factory getFactory();
+
+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);
+ virtual void next(const SkPoint& loc, int u, int v, SkPath* dst);
+ virtual void end(SkPath* dst);
+
+ /** 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 SkMatrix& getMatrix() const { return fMatrix; }
+
+ // protected so that subclasses can call this during unflattening
+ Sk2DPathEffect(SkFlattenableReadBuffer&);
+
+private:
+ SkMatrix fMatrix, fInverse;
+ // illegal
+ Sk2DPathEffect(const Sk2DPathEffect&);
+ Sk2DPathEffect& operator=(const Sk2DPathEffect&);
+
+ static SkFlattenable* CreateProc(SkFlattenableReadBuffer&);
+
+ friend class Sk2DPathEffectBlitter;
+ typedef SkPathEffect INHERITED;
+};
+
+#endif