skia2/bench/FontCacheBench.cpp
reed@google.com 5872e00033 doh. send byte length, not word count, to measureText
git-svn-id: http://skia.googlecode.com/svn/trunk@9519 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-06-11 21:42:54 +00:00

54 lines
1.3 KiB
C++

/*
* 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 "SkCanvas.h"
#include "SkFontHost.h"
#include "SkPaint.h"
#include "SkString.h"
#include "SkTemplates.h"
#include "gUniqueGlyphIDs.h"
class FontCacheBench : public SkBenchmark {
enum { N = SkBENCHLOOP(50) };
public:
FontCacheBench(void* param) : INHERITED(param) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "fontcache";
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
this->setupPaint(&paint);
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
const uint16_t* array = gUniqueGlyphIDs;
while (*array != 0xFFFF) {
const uint16_t* end = array + 1;
while (*end != 0xFFFF) {
end += 1;
}
for (int i = 0; i < N; ++i) {
size_t len = (end - array) * sizeof(uint16_t);
paint.measureText(array, len);
}
array = end + 1; // skip the sentinel
}
}
private:
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new FontCacheBench(p); )