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 "src/gpu/effects/GrOvalEffect.h" |
9 | |
10 | #include "include/core/SkRect.h" |
11 | #include "src/gpu/effects/generated/GrCircleEffect.h" |
12 | #include "src/gpu/effects/generated/GrEllipseEffect.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 | |