The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/skia/trunk/src/pathops/SkPathOpsLine.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,48 @@
     1.4 +/*
     1.5 + * Copyright 2012 Google Inc.
     1.6 + *
     1.7 + * Use of this source code is governed by a BSD-style license that can be
     1.8 + * found in the LICENSE file.
     1.9 + */
    1.10 +#ifndef SkPathOpsLine_DEFINED
    1.11 +#define SkPathOpsLine_DEFINED
    1.12 +
    1.13 +#include "SkPathOpsPoint.h"
    1.14 +
    1.15 +struct SkDLine {
    1.16 +    SkDPoint fPts[2];
    1.17 +
    1.18 +    const SkDPoint& operator[](int n) const { SkASSERT(n >= 0 && n < 2); return fPts[n]; }
    1.19 +    SkDPoint& operator[](int n) { SkASSERT(n >= 0 && n < 2); return fPts[n]; }
    1.20 +
    1.21 +    void set(const SkPoint pts[2]) {
    1.22 +        fPts[0] = pts[0];
    1.23 +        fPts[1] = pts[1];
    1.24 +    }
    1.25 +
    1.26 +    static SkDLine SubDivide(const SkPoint a[2], double t1, double t2) {
    1.27 +        SkDLine line;
    1.28 +        line.set(a);
    1.29 +        return line.subDivide(t1, t2);
    1.30 +    }
    1.31 +
    1.32 +    double exactPoint(const SkDPoint& xy) const;
    1.33 +    static double ExactPointH(const SkDPoint& xy, double left, double right, double y);
    1.34 +    static double ExactPointV(const SkDPoint& xy, double top, double bottom, double x);
    1.35 +    double isLeft(const SkDPoint& pt) const;
    1.36 +    double nearPoint(const SkDPoint& xy) const;
    1.37 +    bool nearRay(const SkDPoint& xy) const;
    1.38 +    static double NearPointH(const SkDPoint& xy, double left, double right, double y);
    1.39 +    static double NearPointV(const SkDPoint& xy, double top, double bottom, double x);
    1.40 +    static bool NearRay(double dx1, double dy1, double dx2, double dy2);
    1.41 +    SkDPoint ptAtT(double t) const;
    1.42 +    SkDLine subDivide(double t1, double t2) const;
    1.43 +
    1.44 +#ifdef SK_DEBUG
    1.45 +    void dump();
    1.46 +#endif
    1.47 +private:
    1.48 +    SkDVector tangent() const { return fPts[0] - fPts[1]; }
    1.49 +};
    1.50 +
    1.51 +#endif