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 
16 #ifndef RENDER_SERVICE_CLIENT_CORE_RENDER_RS_SHADER_FILTER_H
17 #define RENDER_SERVICE_CLIENT_CORE_RENDER_RS_SHADER_FILTER_H
18 
19 #include "draw/canvas.h"
20 #include "effect/runtime_shader_builder.h"
21 #include "ge_visual_effect.h"
22 #include "ge_visual_effect_container.h"
23 #include "render/rs_filter.h"
24 
25 namespace OHOS {
26 namespace Rosen {
27 class RSPaintFilterCanvas;
28 class RSB_EXPORT RSShaderFilter {
29 public:
30     RSShaderFilter() = default;
31     RSShaderFilter(const RSShaderFilter&) = delete;
32     RSShaderFilter operator=(const RSShaderFilter&) = delete;
33     virtual ~RSShaderFilter() = default;
34 
35     enum ShaderFilterType {
36         NONE = 0,
37         KAWASE,
38         MESA,
39         GREY,
40         AIBAR,
41         LINEAR_GRADIENT_BLUR,
42         MASK_COLOR,
43         MAGNIFIER,
44         WATER_RIPPLE,
45     };
46 
GetShaderFilterType()47     ShaderFilterType GetShaderFilterType() const
48     {
49         return type_;
50     }
51 
PreProcess(std::shared_ptr<Drawing::Image> & image)52     virtual void PreProcess(std::shared_ptr<Drawing::Image>& image) {};
ProcessImage(Drawing::Canvas & canvas,const std::shared_ptr<Drawing::Image> image,const Drawing::Rect & src,const Drawing::Rect & dst)53     virtual std::shared_ptr<Drawing::Image> ProcessImage(Drawing::Canvas& canvas,
54         const std::shared_ptr<Drawing::Image> image, const Drawing::Rect& src, const Drawing::Rect& dst)
55     {
56         return image;
57     }
58 
GenerateGEVisualEffect(std::shared_ptr<Drawing::GEVisualEffectContainer> visualEffectContainer)59     virtual void GenerateGEVisualEffect(std::shared_ptr<Drawing::GEVisualEffectContainer> visualEffectContainer) {};
PostProcess(Drawing::Canvas & canvas)60     virtual void PostProcess(Drawing::Canvas& canvas) {};
61 
Hash()62     uint32_t Hash() const
63     {
64         return hash_;
65     }
66 
67 protected:
68     ShaderFilterType type_;
69     uint32_t hash_ = 0;
70 };
71 } // namespace Rosen
72 } // namespace OHOS
73 
74 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_SHADER_FILTER_H