skia2/samplecode/SampleBigBlur.cpp

50 lines
1.3 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 "SampleCode.h"
#include "SkBlurMask.h"
#include "SkBlurMaskFilter.h"
#include "SkCanvas.h"
#include "SkView.h"
class BigBlurView : public SampleView {
public:
BigBlurView() {
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "BigBlur");
return true;
}
return this->INHERITED::onQuery(evt);
}
virtual void onDrawContent(SkCanvas* canvas) {
SkPaint paint;
canvas->save();
paint.setColor(SK_ColorBLUE);
SkMaskFilter* mf = SkBlurMaskFilter::Create(
kNormal_SkBlurStyle,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(128)),
SkBlurMaskFilter::kHighQuality_BlurFlag);
paint.setMaskFilter(mf)->unref();
canvas->translate(200, 200);
canvas->drawCircle(100, 100, 200, paint);
canvas->restore();
}
private:
typedef SkView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new BigBlurView; }
static SkViewRegister reg(MyFactory);