skia2/samplecode/SampleEmboss.cpp

71 lines
1.9 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 "SkView.h"
#include "SkCanvas.h"
#include "SkEmbossMaskFilter.h"
#include "SkGradientShader.h"
#include "SkGraphics.h"
#include "SkPath.h"
#include "SkRandom.h"
#include "SkRegion.h"
#include "SkShader.h"
#include "SkUtils.h"
#include "SkColorPriv.h"
#include "SkColorFilter.h"
#include "SkTime.h"
#include "SkTypeface.h"
#include "SkXfermode.h"
class EmbossView : public SampleView {
SkEmbossMaskFilter::Light fLight;
public:
EmbossView() {
fLight.fDirection[0] = SK_Scalar1;
fLight.fDirection[1] = SK_Scalar1;
fLight.fDirection[2] = SK_Scalar1;
fLight.fAmbient = 128;
fLight.fSpecular = 16*2;
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "Emboss");
return true;
}
return this->INHERITED::onQuery(evt);
}
virtual void onDrawContent(SkCanvas* canvas) {
SkPaint paint;
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkIntToScalar(10));
paint.setMaskFilter(SkEmbossMaskFilter::Create(
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(4)), fLight))->unref();
paint.setShader(SkShader::MakeColorShader(SK_ColorBLUE));
paint.setDither(true);
canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
SkIntToScalar(30), paint);
}
private:
typedef SampleView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new EmbossView; }
static SkViewRegister reg(MyFactory);