michael@0: 
michael@0: /*
michael@0:  * Copyright 2009 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkCubicClipper_DEFINED
michael@0: #define SkCubicClipper_DEFINED
michael@0: 
michael@0: #include "SkPoint.h"
michael@0: #include "SkRect.h"
michael@0: 
michael@0: /** This class is initialized with a clip rectangle, and then can be fed cubics,
michael@0:     which must already be monotonic in Y.
michael@0: 
michael@0:     In the future, it might return a series of segments, allowing it to clip
michael@0:     also in X, to ensure that all segments fit in a finite coordinate system.
michael@0:  */
michael@0: class SkCubicClipper {
michael@0: public:
michael@0:     SkCubicClipper();
michael@0: 
michael@0:     void setClip(const SkIRect& clip);
michael@0: 
michael@0:     bool clipCubic(const SkPoint src[4], SkPoint dst[4]);
michael@0: 
michael@0: private:
michael@0:     SkRect      fClip;
michael@0: };
michael@0: 
michael@0: #endif  // SkCubicClipper_DEFINED