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      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 #include "Benchmark.h"
      8 #include "SkBitmap.h"
      9 #include "SkCanvas.h"
     10 #include "SkColorPriv.h"
     11 #include "SkPaint.h"
     12 #include "SkShader.h"
     13 #include "SkString.h"
     14 #include "sk_tool_utils.h"
     15 
     16 static void draw_into_bitmap(const SkBitmap& bm) {
     17     const int w = bm.width();
     18     const int h = bm.height();
     19 
     20     SkCanvas canvas(bm);
     21     SkPaint p;
     22     p.setAntiAlias(true);
     23     p.setColor(SK_ColorRED);
     24     canvas.drawCircle(SkIntToScalar(w)/2, SkIntToScalar(h)/2,
     25                       SkIntToScalar(SkMin32(w, h))*3/8, p);
     26 
     27     SkRect r;
     28     r.set(0, 0, SkIntToScalar(w), SkIntToScalar(h));
     29     p.setStyle(SkPaint::kStroke_Style);
     30     p.setStrokeWidth(SkIntToScalar(4));
     31     p.setColor(SK_ColorBLUE);
     32     canvas.drawRect(r, p);
     33 }
     34 
     35 class RepeatTileBench : public Benchmark {
     36     const SkAlphaType   fAlphaType;
     37     SkPaint             fPaint;
     38     SkString            fName;
     39     SkBitmap            fBitmap;
     40 public:
     41     RepeatTileBench(SkColorType ct, SkAlphaType at = kPremul_SkAlphaType) : fAlphaType(at) {
     42         const int w = 50;
     43         const int h = 50;
     44 
     45         fBitmap.setInfo(SkImageInfo::Make(w, h, ct, at));
     46         fName.printf("repeatTile_%s_%c",
     47                      sk_tool_utils::colortype_name(ct), kOpaque_SkAlphaType == at ? 'X' : 'A');
     48     }
     49 
     50 protected:
     51     const char* onGetName() override {
     52         return fName.c_str();
     53     }
     54 
     55     void onDelayedSetup() override {
     56         fBitmap.allocPixels();
     57         fBitmap.eraseColor(kOpaque_SkAlphaType == fAlphaType ? SK_ColorWHITE : 0);
     58 
     59         draw_into_bitmap(fBitmap);
     60 
     61         fPaint.setShader(SkShader::MakeBitmapShader(fBitmap,
     62                                                     SkShader::kRepeat_TileMode,
     63                                                     SkShader::kRepeat_TileMode));
     64     }
     65 
     66 
     67     void onDraw(int loops, SkCanvas* canvas) override {
     68         SkPaint paint(fPaint);
     69         this->setupPaint(&paint);
     70 
     71         for (int i = 0; i < loops; i++) {
     72             canvas->drawPaint(paint);
     73         }
     74     }
     75 
     76 private:
     77     typedef Benchmark INHERITED;
     78 };
     79 
     80 DEF_BENCH(return new RepeatTileBench(kN32_SkColorType, kOpaque_SkAlphaType))
     81 DEF_BENCH(return new RepeatTileBench(kN32_SkColorType, kPremul_SkAlphaType))
     82 DEF_BENCH(return new RepeatTileBench(kRGB_565_SkColorType, kOpaque_SkAlphaType))
     83