1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "render/rs_linear_gradient_blur_shader_filter.h"
16
17 #include "src/core/SkOpts.h"
18
19
20 namespace OHOS {
21 namespace Rosen {
RSLinearGradientBlurShaderFilter(const std::shared_ptr<RSLinearGradientBlurPara> & para,const float geoWidth,const float geoHeight)22 RSLinearGradientBlurShaderFilter::RSLinearGradientBlurShaderFilter(
23 const std::shared_ptr<RSLinearGradientBlurPara>& para, const float geoWidth, const float geoHeight)
24 : linearGradientBlurPara_(para)
25 {
26 type_ = ShaderFilterType::LINEAR_GRADIENT_BLUR;
27 geoWidth_ = geoWidth;
28 geoHeight_ = geoHeight;
29 hash_ = SkOpts::hash(&linearGradientBlurPara_, sizeof(linearGradientBlurPara_), 0);
30 hash_ = SkOpts::hash(&geoWidth_, sizeof(geoWidth_), hash_);
31 hash_ = SkOpts::hash(&geoHeight_, sizeof(geoHeight_), hash_);
32 }
33
34 RSLinearGradientBlurShaderFilter::~RSLinearGradientBlurShaderFilter() = default;
35
GenerateGEVisualEffect(std::shared_ptr<Drawing::GEVisualEffectContainer> visualEffectContainer)36 void RSLinearGradientBlurShaderFilter::GenerateGEVisualEffect(
37 std::shared_ptr<Drawing::GEVisualEffectContainer> visualEffectContainer)
38 {
39 auto gelinearGradientBlurFilter = std::make_shared<Drawing::GEVisualEffect>(
40 "LINEAR_GRADIENT_BLUR", Drawing::DrawingPaintType::BRUSH);
41 gelinearGradientBlurFilter->SetParam("BLURRADIUS", linearGradientBlurPara_->blurRadius_);
42 gelinearGradientBlurFilter->SetParam("GEOWIDTH", geoWidth_);
43 gelinearGradientBlurFilter->SetParam("GEOHEIGHT", geoHeight_);
44 gelinearGradientBlurFilter->SetParam("TRANX", tranX_);
45 gelinearGradientBlurFilter->SetParam("TRANY", tranY_);
46 gelinearGradientBlurFilter->SetParam("CANVASMAT", mat_);
47 gelinearGradientBlurFilter->SetParam("FRACTIONSTOPS", linearGradientBlurPara_->fractionStops_);
48 gelinearGradientBlurFilter->SetParam("DIRECTION", (int)linearGradientBlurPara_->direction_);
49 gelinearGradientBlurFilter->SetParam("ISOFFSCREEN", isOffscreenCanvas_);
50
51 visualEffectContainer->AddToChainedFilter(gelinearGradientBlurFilter);
52 }
53
GetLinearGradientBlurRadius() const54 float RSLinearGradientBlurShaderFilter::GetLinearGradientBlurRadius() const
55 {
56 if (linearGradientBlurPara_ == nullptr) {
57 return 0;
58 }
59 return linearGradientBlurPara_->blurRadius_;
60 }
61 } // namespace Rosen
62 } // namespace OHOS
63