skia2/gm/imageblur.cpp
mtklein@google.com cfa7ba7753 srand() + rand() -> SkRandom
rand() makes these two GMs thread-unsafe.  When run concurrently they can
interfere with each other.  Use SkRandom instead to guarantee independence.

BUG=skia:1590
R=jvanverth@google.com

Review URL: https://codereview.chromium.org/24105003

git-svn-id: http://skia.googlecode.com/svn/trunk@11295 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-09-16 18:19:30 +00:00

62 lines
1.5 KiB
C++

/*
* 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 "gm.h"
#include "SkBlurImageFilter.h"
#include "SkRandom.h"
#define WIDTH 500
#define HEIGHT 500
namespace skiagm {
class ImageBlurGM : public GM {
public:
ImageBlurGM() {
this->setBGColor(0xFF000000);
}
protected:
virtual SkString onShortName() {
return SkString("imageblur");
}
virtual SkISize onISize() {
return make_isize(WIDTH, HEIGHT);
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
paint.setImageFilter(new SkBlurImageFilter(24.0f, 0.0f))->unref();
canvas->saveLayer(NULL, &paint);
const char* str = "The quick brown fox jumped over the lazy dog.";
SkRandom rand;
SkPaint textPaint;
textPaint.setAntiAlias(true);
for (int i = 0; i < 25; ++i) {
int x = rand.nextULessThan(WIDTH);
int y = rand.nextULessThan(HEIGHT);
textPaint.setColor(rand.nextBits(24) | 0xFF000000);
textPaint.setTextSize(rand.nextULessThan(300));
canvas->drawText(str, strlen(str), SkIntToScalar(x),
SkIntToScalar(y), textPaint);
}
canvas->restore();
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new ImageBlurGM; }
static GMRegistry reg(MyFactory);
}