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 <SkMaskFilter.h>
19
20 namespace android {
21
BlurDrawLooper(SkColor4f color,float blurSigma,SkPoint offset)22 BlurDrawLooper::BlurDrawLooper(SkColor4f color, float blurSigma, SkPoint offset)
23 : mColor(color), mBlurSigma(blurSigma), mOffset(offset) {}
24
25 BlurDrawLooper::~BlurDrawLooper() = default;
26
apply(SkPaint * paint) const27 SkPoint BlurDrawLooper::apply(SkPaint* paint) const {
28 paint->setColor(mColor);
29 if (mBlurSigma > 0) {
30 paint->setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, mBlurSigma, true));
31 }
32 return mOffset;
33 }
34
Make(SkColor4f color,SkColorSpace * cs,float blurSigma,SkPoint offset)35 sk_sp<BlurDrawLooper> BlurDrawLooper::Make(SkColor4f color, SkColorSpace* cs, float blurSigma,
36 SkPoint offset) {
37 if (cs) {
38 SkPaint tmp;
39 tmp.setColor(color, cs); // converts color to sRGB
40 color = tmp.getColor4f();
41 }
42 return sk_sp<BlurDrawLooper>(new BlurDrawLooper(color, blurSigma, offset));
43 }
44
45 } // namespace android
46