servo-skia 0.30000022.0

2D graphic library for drawing Text, Geometries, and Images
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/*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "SkBenchmark.h"
#include "SkRandom.h"
#include "SkRegion.h"
#include "SkString.h"

static bool sect_proc(SkRegion& a, SkRegion& b) {
    SkRegion result;
    return result.op(a, b, SkRegion::kIntersect_Op);
}

class RegionContainBench : public SkBenchmark {
public:
    typedef bool (*Proc)(SkRegion& a, SkRegion& b);
    SkRegion fA, fB;
    Proc     fProc;
    SkString fName;

    enum {
        W = 200,
        H = 200,
        COUNT = 10,
    };

    SkIRect randrect(SkRandom& rand, int i) {
        int w = rand.nextU() % W;
        return SkIRect::MakeXYWH(0, i*H/COUNT, w, H/COUNT);
    }

    RegionContainBench(Proc proc, const char name[])  {
        fProc = proc;
        fName.printf("region_contains_%s", name);

        SkRandom rand;
        for (int i = 0; i < COUNT; i++) {
            fA.op(randrect(rand, i), SkRegion::kXOR_Op);
        }

        fB.setRect(0, 0, H, W);
    }

    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
        return backend == kNonRendering_Backend;
    }

protected:
    virtual const char* onGetName() { return fName.c_str(); }

    virtual void onDraw(const int loops, SkCanvas*) {
        Proc proc = fProc;

        for (int i = 0; i < loops; ++i) {
           proc(fA, fB);
        }
    }

private:
    typedef SkBenchmark INHERITED;
};

DEF_BENCH( return SkNEW_ARGS(RegionContainBench, (sect_proc, "sect")); )