41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
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* Copyright 2019 Google LLC
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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 "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkMaskFilter.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkRRect.h"
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#include "include/core/SkRect.h"
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// Illustrates a bug where the outer portion of the GPU rect blur was too dark with a small sigma.
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DEF_SIMPLE_GM(skbug_9319, canvas, 256, 512) {
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SkPaint p;
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p.setAntiAlias(true);
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p.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 0.5f));
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const auto r = SkRect::MakeXYWH(10, 10, 100, 100);
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{
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SkAutoCanvasRestore acr(canvas, true);
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// Clip out interior so that the outer portion stands out.
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canvas->clipRect(r, SkClipOp::kDifference);
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canvas->drawRect(r, p);
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}
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canvas->translate(0, 120);
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// RRect for comparison.
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const auto rr = SkRRect::MakeRectXY(r, .1f, .1f);
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{
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SkAutoCanvasRestore acr(canvas, true);
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canvas->clipRRect(rr, SkClipOp::kDifference);
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canvas->drawRRect(rr, p);
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}
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}
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