1 /*
2 * Copyright (C) 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "BlurDrawLooper.h"
18 #include <SkBlurTypes.h>
19 #include <SkColorSpace.h>
20 #include <SkMaskFilter.h>
21
22 namespace android {
23
BlurDrawLooper(SkColor4f color,float blurSigma,SkPoint offset)24 BlurDrawLooper::BlurDrawLooper(SkColor4f color, float blurSigma, SkPoint offset)
25 : mColor(color), mBlurSigma(blurSigma), mOffset(offset) {}
26
27 BlurDrawLooper::~BlurDrawLooper() = default;
28
apply(Paint * paint) const29 SkPoint BlurDrawLooper::apply(Paint* paint) const {
30 paint->setColor(mColor);
31 if (mBlurSigma > 0) {
32 paint->setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, mBlurSigma, true));
33 }
34 return mOffset;
35 }
36
Make(SkColor4f color,SkColorSpace * cs,float blurSigma,SkPoint offset)37 sk_sp<BlurDrawLooper> BlurDrawLooper::Make(SkColor4f color, SkColorSpace* cs, float blurSigma,
38 SkPoint offset) {
39 if (cs) {
40 SkPaint tmp;
41 tmp.setColor(color, cs); // converts color to sRGB
42 color = tmp.getColor4f();
43 }
44 return sk_sp<BlurDrawLooper>(new BlurDrawLooper(color, blurSigma, offset));
45 }
46
47 } // namespace android
48