/* * Copyright 2018 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "gm/gm.h" #include "include/core/SkCanvas.h" #include "include/core/SkPaint.h" #include "include/core/SkPath.h" DEF_SIMPLE_GM(crbug_847759, canvas, 500, 500) { // This path exposed an issue in GrAAHairlinePathRenderer. When converting from cubics to quads // we produced quads where the previously vertical tangents at the left and right tips of the // squashed oval-like path became slightly non-vertical. This caused a missed pixel of AA just // outside each tip. SkPath path; path.moveTo(97,374.5f); path.cubicTo(97,359.8644528f,155.8745488f,348,228.5f,348); path.cubicTo(301.1254512f,348,360,359.8644528f,360,374.5f); path.cubicTo(360,389.1355472f,301.1254512f,401,228.5f,401); path.cubicTo(155.8745488f,401,97,389.1355472f,97,374.5f); path.close(); SkPaint paint; paint.setAntiAlias(true); paint.setStrokeWidth(0); paint.setStrokeMiter(1.5); paint.setStyle(SkPaint::kStroke_Style); canvas->translate(-80, -330); canvas->drawPath(path, paint); }