1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "GrOvalEffect.h" 9 10 #include "GrCircleEffect.h" 11 #include "GrEllipseEffect.h" 12 #include "SkRect.h" 13 14 std::unique_ptr<GrFragmentProcessor> GrOvalEffect::Make(GrClipEdgeType edgeType, const SkRect& oval, 15 const GrShaderCaps& caps) { 16 if (GrClipEdgeType::kHairlineAA == edgeType) { 17 return nullptr; 18 } 19 SkScalar w = oval.width(); 20 SkScalar h = oval.height(); 21 if (SkScalarNearlyEqual(w, h)) { 22 w /= 2; 23 return GrCircleEffect::Make(edgeType, SkPoint::Make(oval.fLeft + w, oval.fTop + w), 24 w); 25 } else { 26 w /= 2; 27 h /= 2; 28 return GrEllipseEffect::Make(edgeType, SkPoint::Make(oval.fLeft + w, oval.fTop + h), 29 SkPoint::Make(w, h), caps); 30 } 31 32 return nullptr; 33 } 34
