a920d367bf
Bug: skia:6828 Change-Id: I039d6bc35a1ed93ce747247f32fe4e9d5b09da0c Reviewed-on: https://skia-review.googlesource.com/21400 Reviewed-by: Florin Malita <fmalita@chromium.org> Commit-Queue: Mike Reed <reed@google.com>
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SampleCode.h"
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#include "SkBlurMask.h"
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#include "SkBlurMaskFilter.h"
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#include "SkCanvas.h"
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#include "SkColorPriv.h"
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#include "SkGradientShader.h"
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#include "SkUtils.h"
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#include "SkView.h"
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class BlurView : public SampleView {
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SkBitmap fBM;
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public:
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BlurView() {}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SampleCode::TitleR(evt, "Blur");
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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void drawBG(SkCanvas* canvas) {
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canvas->drawColor(0xFFDDDDDD);
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}
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virtual void onDrawContent(SkCanvas* canvas) {
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drawBG(canvas);
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SkBlurStyle NONE = SkBlurStyle(-999);
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static const struct {
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SkBlurStyle fStyle;
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int fCx, fCy;
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} gRecs[] = {
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{ NONE, 0, 0 },
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{ kInner_SkBlurStyle, -1, 0 },
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{ kNormal_SkBlurStyle, 0, 1 },
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{ kSolid_SkBlurStyle, 0, -1 },
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{ kOuter_SkBlurStyle, 1, 0 },
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};
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setTextSize(25);
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canvas->translate(-40, 0);
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SkBlurMaskFilter::BlurFlags flags = SkBlurMaskFilter::kNone_BlurFlag;
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for (int j = 0; j < 2; j++) {
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canvas->save();
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paint.setColor(SK_ColorBLUE);
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for (size_t i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
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if (gRecs[i].fStyle != NONE) {
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paint.setMaskFilter(SkBlurMaskFilter::Make(gRecs[i].fStyle,
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SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(20)),
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flags));
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} else {
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paint.setMaskFilter(nullptr);
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}
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canvas->drawCircle(200 + gRecs[i].fCx*100.f,
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200 + gRecs[i].fCy*100.f, 50, paint);
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}
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// draw text
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{
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paint.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(4),
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flags));
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SkScalar x = SkIntToScalar(70);
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SkScalar y = SkIntToScalar(400);
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paint.setColor(SK_ColorBLACK);
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canvas->drawString("Hamburgefons Style", x, y, paint);
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canvas->drawString("Hamburgefons Style", x, y + SkIntToScalar(50), paint);
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paint.setMaskFilter(nullptr);
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paint.setColor(SK_ColorWHITE);
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x -= SkIntToScalar(2);
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y -= SkIntToScalar(2);
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canvas->drawString("Hamburgefons Style", x, y, paint);
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}
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canvas->restore();
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flags = SkBlurMaskFilter::kHighQuality_BlurFlag;
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canvas->translate(350, 0);
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}
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}
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private:
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typedef SkView INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new BlurView; }
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static SkViewRegister reg(MyFactory);
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