remove unused SkCullPoints

include/utils/SkCullPoints.h

-
-/*
- * 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 SkCullPoints_DEFINED
-#define SkCullPoints_DEFINED
-
-#include "SkRect.h"
-
-class SkCullPoints {
-public:
-    SkCullPoints();
-    SkCullPoints(const SkIRect& r);
-
-    void    reset(const SkIRect& r);
-
-    /** Start a contour at (x,y). Follow this with call(s) to lineTo(...)
-    */
-    void    moveTo(int x, int y);
-
-    enum LineToResult {
-        kNo_Result,             //!< line segment was completely clipped out
-        kLineTo_Result,         //!< path.lineTo(pts[1]);
-        kMoveToLineTo_Result    //!< path.moveTo(pts[0]); path.lineTo(pts[1]);
-    };
-    /** Connect a line to the previous call to lineTo (or moveTo).
-    */
-    LineToResult lineTo(int x, int y, SkIPoint pts[2]);
-
-private:
-    SkIRect      fR;             // the caller's rectangle
-    SkIPoint     fAsQuad[4];     // cache of fR as 4 points
-    SkIPoint     fPrevPt;        // private state
-    LineToResult fPrevResult;   // private state
-
-    bool sect_test(int x0, int y0, int x1, int y1) const;
-};
-
-/////////////////////////////////////////////////////////////////////////////////
-
-class SkPath;
-
-/** \class SkCullPointsPath
-
-    Similar to SkCullPoints, but this class handles the return values
-    from lineTo, and automatically builds a SkPath with the result(s).
-*/
-class SkCullPointsPath {
-public:
-    SkCullPointsPath();
-    SkCullPointsPath(const SkIRect& r, SkPath* dst);
-
-    void reset(const SkIRect& r, SkPath* dst);
-
-    void    moveTo(int x, int y);
-    void    lineTo(int x, int y);
-
-private:
-    SkCullPoints    fCP;
-    SkPath*         fPath;
-};
-
-bool SkHitTestPath(const SkPath&, SkRect& target, bool hires);
-bool SkHitTestPath(const SkPath&, SkScalar x, SkScalar y, bool hires);
-
-#endif