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/*
* Copyright 2012 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 "SkBlurMaskFilter.h"
#include "SkColorPriv.h"
#include "SkCanvas.h"
#include "SkRandom.h"
class AnimBlurView : public SampleView {
public:
AnimBlurView() {
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "AnimBlur");
return true;
}
return this->INHERITED::onQuery(evt);
}
virtual void onDrawContent(SkCanvas* canvas) {
SkScalar blurSigma = SampleCode::GetAnimSinScalar(100 * SK_Scalar1,
4 * SK_Scalar1,
5 * SK_Scalar1);
SkScalar circleRadius = 3 * SK_Scalar1 +
SampleCode::GetAnimSinScalar(150 * SK_Scalar1,
25 * SK_Scalar1,
3 * SK_Scalar1);
static const SkBlurStyle gStyles[] = {
kNormal_SkBlurStyle,
kInner_SkBlurStyle,
kSolid_SkBlurStyle,
kOuter_SkBlurStyle,
};
SkRandom random;
for (size_t i = 0; i < SK_ARRAY_COUNT(gStyles); ++i) {
SkMaskFilter* mf = SkBlurMaskFilter::Create(
gStyles[i],
blurSigma,
SkBlurMaskFilter::kHighQuality_BlurFlag);
SkPaint paint;
SkSafeUnref(paint.setMaskFilter(mf));
paint.setColor(random.nextU() | 0xff000000);
canvas->drawCircle(200 * SK_Scalar1 + 400 * (i % 2) * SK_Scalar1,
200 * SK_Scalar1 + i / 2 * 400 * SK_Scalar1,
circleRadius, paint);
}
this->inval(NULL);
}
private:
typedef SkView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new AnimBlurView; }
static SkViewRegister reg(MyFactory);
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