39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*
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* Copyright 2020 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 "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkPathBuilder.h"
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// See crbug.com/1086705. The convex linearizing path renderer would collapse too many of the
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// very-near duplicate vertices and turn the path into a triangle. Since the stroke width is larger
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// than the radius of the circle, there's the separate issue of what to do when stroke
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// self-intersects
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DEF_SIMPLE_GM(crbug_1086705, canvas, 200, 200) {
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SkPaint paint;
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(5.f);
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paint.setAntiAlias(true);
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SkPoint circleVertices[700];
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for (int i = 0; i < 700; ++i) {
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SkScalar angleRads = 2 * SK_ScalarPI * i / 700.f;
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circleVertices[i] = {100.f + 2.f * SkScalarCos(angleRads),
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100.f + 2.f * SkScalarSin(angleRads)};
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}
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SkPathBuilder circle;
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circle.moveTo(circleVertices[0]);
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for (int i = 1; i < 700; ++i) {
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circle.lineTo(circleVertices[i]);
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}
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circle.close();
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canvas->drawPath(circle.detach(), paint);
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}
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