1 /*
2 * Copyright (c) 2022 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
16 #include "gaussian_blur_filter.h"
17
18 namespace OHOS {
19 namespace Rosen {
GaussianBlurFilter()20 GaussianBlurFilter::GaussianBlurFilter()
21 {
22 // Allocate the filters
23 upSampleFilter_ = std::make_unique<ScaleFilter>();
24 upSampleFilter_->SetScale(INVERSE_DOWNSAMPLE_FACTOR);
25 downSampleFilter_ = std::make_unique<ScaleFilter>();
26 downSampleFilter_->SetScale(DOWNSAMPLE_FACTOR);
27 horizontalBlurFilter_ = std::make_unique<HorizontalBlurFilter>();
28 verticalBlurFilter_ = std::make_unique<VerticalBlurFilter>();
29 }
30
~GaussianBlurFilter()31 GaussianBlurFilter::~GaussianBlurFilter()
32 {
33 downSampleFilter_ = nullptr;
34 upSampleFilter_ = nullptr;
35 horizontalBlurFilter_ = nullptr;
36 verticalBlurFilter_ = nullptr;
37 }
38
DoProcess(ProcessData & data)39 void GaussianBlurFilter::DoProcess(ProcessData& data)
40 {
41 downSampleFilter_->Process(data);
42 horizontalBlurFilter_->Process(data);
43 verticalBlurFilter_->Process(data);
44 upSampleFilter_->Process(data);
45 }
46
SetValue(const std::string & key,std::shared_ptr<void> value,int size)47 void GaussianBlurFilter::SetValue(const std::string& key, std::shared_ptr<void> value, int size)
48 {
49 horizontalBlurFilter_->SetValue(key, value, size);
50 verticalBlurFilter_->SetValue(key, value, size);
51 }
52
GetVertexShader()53 std::string GaussianBlurFilter::GetVertexShader()
54 {
55 return std::string();
56 }
57
GetFragmentShader()58 std::string GaussianBlurFilter::GetFragmentShader()
59 {
60 return std::string();
61 }
62 } // namespcae Rosen
63 } // namespace OHOS