ea60b951d7
Change-Id: Ieac05047826b1fb80950d65573d38494a1a5c5e7 Reviewed-on: https://skia-review.googlesource.com/148383 Commit-Queue: Hal Canary <halcanary@google.com> Commit-Queue: Ben Wagner <bungeman@google.com> Auto-Submit: Hal Canary <halcanary@google.com> Reviewed-by: Ben Wagner <bungeman@google.com>
90 lines
2.7 KiB
C++
90 lines
2.7 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 "Sample.h"
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#include "SkBitmap.h"
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#include "SkBlurMask.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 "SkMaskFilter.h"
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#include "SkUTF.h"
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class BlurView : public Sample {
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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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virtual bool onQuery(Sample::Event* evt) {
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if (Sample::TitleQ(*evt)) {
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Sample::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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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(SkMaskFilter::MakeBlur(gRecs[i].fStyle,
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SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(20))));
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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(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(4)));
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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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}
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private:
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typedef Sample INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_SAMPLE( return new BlurView(); )
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