1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "SkBenchmark.h"
9#include "SkCanvas.h"
10#include "SkGraphics.h"
11#include "SkPaint.h"
12#include "SkRandom.h"
13#include "SkString.h"
14
15extern bool gSkSuppressFontCachePurgeSpew;
16
17class FontScalerBench : public SkBenchmark {
18    SkString fName;
19    SkString fText;
20    bool     fDoLCD;
21public:
22    FontScalerBench(void* param, bool doLCD) : INHERITED(param) {
23        fName.printf("fontscaler_%s", doLCD ? "lcd" : "aa");
24        fText.set("abcdefghijklmnopqrstuvwxyz01234567890");
25        fDoLCD = doLCD;
26    }
27
28protected:
29    virtual const char* onGetName() { return fName.c_str(); }
30    virtual void onDraw(SkCanvas* canvas) {
31        SkPaint paint;
32        this->setupPaint(&paint);
33        paint.setLCDRenderText(fDoLCD);
34
35        bool prev = gSkSuppressFontCachePurgeSpew;
36        gSkSuppressFontCachePurgeSpew = true;
37
38        // this is critical - we want to time the creation process, so we
39        // explicitly flush our cache before each run
40        SkGraphics::PurgeFontCache();
41
42        for (int ps = 9; ps <= 24; ps += 2) {
43            paint.setTextSize(SkIntToScalar(ps));
44            canvas->drawText(fText.c_str(), fText.size(),
45                             0, SkIntToScalar(20), paint);
46        }
47
48        gSkSuppressFontCachePurgeSpew = prev;
49    }
50private:
51    typedef SkBenchmark INHERITED;
52};
53
54///////////////////////////////////////////////////////////////////////////////
55
56static SkBenchmark* Fact0(void* p) { return SkNEW_ARGS(FontScalerBench, (p, false)); }
57static SkBenchmark* Fact1(void* p) { return SkNEW_ARGS(FontScalerBench, (p, true)); }
58
59static BenchRegistry gReg0(Fact0);
60static BenchRegistry gReg1(Fact1);
61