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 "include/core/SkRect.h"
9 #include "src/gpu/GrFragmentProcessor.h"
10 #include "src/gpu/effects/GrOvalEffect.h"
11
Make(std::unique_ptr<GrFragmentProcessor> inputFP,GrClipEdgeType edgeType,const SkRect & oval,const GrShaderCaps & caps)12 GrFPResult GrOvalEffect::Make(std::unique_ptr<GrFragmentProcessor> inputFP, GrClipEdgeType edgeType,
13 const SkRect& oval, const GrShaderCaps& caps) {
14 SkScalar w = oval.width();
15 SkScalar h = oval.height();
16 if (SkScalarNearlyEqual(w, h)) {
17 w /= 2;
18 return GrFragmentProcessor::Circle(std::move(inputFP), edgeType,
19 SkPoint::Make(oval.fLeft + w, oval.fTop + w), w);
20 } else {
21 w /= 2;
22 h /= 2;
23 return GrFragmentProcessor::Ellipse(std::move(inputFP), edgeType,
24 SkPoint::Make(oval.fLeft + w, oval.fTop + h),
25 SkPoint::Make(w, h), caps);
26 }
27 SkUNREACHABLE;
28 }
29