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/*
* Copyright 2011 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 "SkCanvas.h"
#include "SkPathUtils.h"
#include "SkRandom.h"
#include "SkTime.h"
#include "SkString.h"
#define H 16
#define W 16
#define STRIDE 2
//this function is redefined for sample, test, and bench. is there anywhere
// I can put it to avoid code duplcation?
static void fillRandomBits( int chars, char* bits ){
SkMWCRandom rand(SkTime::GetMSecs());
for (int i = 0; i < chars; ++i){
bits[i] = rand.nextU();
}
}
static void path_proc(char* bits, SkPath* path) {
SkPathUtils::BitsToPath_Path(path, bits, H, W, STRIDE);
}
static void region_proc(char* bits, SkPath* path) {
SkPathUtils::BitsToPath_Region(path, bits, H, W, STRIDE);
}
/// Emulates the mix of rects blitted by gmail during scrolling
class PathUtilsBench : public SkBenchmark {
typedef void (*Proc)(char*, SkPath*);
Proc fProc;
int fH, fW, fStride;
SkString fName;
char* bits[H * STRIDE];
enum { N = SkBENCHLOOP(20) };
public:
PathUtilsBench(void* param, Proc proc, const char name[]) : INHERITED(param) {
fProc = proc;
fName.printf("pathUtils_%s", name);
}
protected:
virtual const char* onGetName() { return fName.c_str(); }
virtual void onDraw(SkCanvas* canvas) {
for (int i = 0; i < N; ++i){
//create a random 16x16 bitmap
fillRandomBits(H * STRIDE, (char*) &bits);
//use passed function pointer to handle it
SkPath path;
fProc( (char*) &bits, &path);
}
}
private:
typedef SkBenchmark INHERITED;
};
static SkBenchmark* PU_path(void* p) { return SkNEW_ARGS(PathUtilsBench, (p, path_proc, "path")); }
static SkBenchmark* PU_region(void* p) { return SkNEW_ARGS(PathUtilsBench, (p, region_proc, "region")); }
static BenchRegistry PU_Path(PU_path);
static BenchRegistry PU_Region(PU_region);
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