skia2/gm/blurcircles.cpp
Mike Reed 1be1f8d097 hide SkBlurMaskFilter and SkBlurQuality
SK_SUPPORT_LEGACY_BLURMASKFILTER

Bug: skia:
Change-Id: Ic3e27e08e6e3cd2ffc1cd13b044e197bebc96236
Reviewed-on: https://skia-review.googlesource.com/113940
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2018-03-14 17:27:36 +00:00

68 lines
1.8 KiB
C++

/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkBlurMask.h"
#include "SkCanvas.h"
#include "SkMaskFilter.h"
#include "SkPaint.h"
#include "SkString.h"
class BlurCirclesGM : public skiagm::GM {
public:
BlurCirclesGM() { }
protected:
bool runAsBench() const override { return true; }
SkString onShortName() override {
return SkString("blurcircles");
}
SkISize onISize() override {
return SkISize::Make(950, 950);
}
void onOnceBeforeDraw() override {
const float blurRadii[kNumBlurs] = { 1,5,10,20 };
for (int i = 0; i < kNumBlurs; ++i) {
fBlurFilters[i] = SkMaskFilter::MakeBlur(
kNormal_SkBlurStyle,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(blurRadii[i])));
}
}
void onDraw(SkCanvas* canvas) override {
canvas->scale(1.5f, 1.5f);
canvas->translate(50,50);
const int circleRadii[] = { 5,10,25,50 };
for (size_t i = 0; i < kNumBlurs; ++i) {
SkAutoCanvasRestore autoRestore(canvas, true);
canvas->translate(0, SkIntToScalar(150*i));
for (size_t j = 0; j < SK_ARRAY_COUNT(circleRadii); ++j) {
SkPaint paint;
paint.setColor(SK_ColorBLACK);
paint.setMaskFilter(fBlurFilters[i]);
canvas->drawCircle(SkIntToScalar(50),SkIntToScalar(50),SkIntToScalar(circleRadii[j]),paint);
canvas->translate(SkIntToScalar(150), 0);
}
}
}
private:
static constexpr int kNumBlurs = 4;
sk_sp<SkMaskFilter> fBlurFilters[kNumBlurs];
typedef skiagm::GM INHERITED;
};
DEF_GM(return new BlurCirclesGM();)