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_PARTICLE_DRAWABLE_H
17 #define RENDER_SERVICE_CLIENT_CORE_RENDER_RS_PARTICLE_DRAWABLE_H
18 
19 #include "animation/rs_render_particle.h"
20 #include "draw/canvas.h"
21 #include "image/image.h"
22 #include "render/rs_image.h"
23 namespace OHOS {
24 namespace Rosen {
25 class RSB_EXPORT RSParticlesDrawable {
26 public:
27     explicit RSParticlesDrawable(const std::vector<std::shared_ptr<RSRenderParticle>>& particles,
28         std::vector<std::shared_ptr<RSImage>>& imageVector, size_t imageCount);
29     RSParticlesDrawable() = default;
30     ~RSParticlesDrawable() = default;
31     void Draw(Drawing::Canvas& canvas, std::shared_ptr<RectF> bounds);
32 
33 private:
34     std::shared_ptr<Drawing::Image> MakeCircleImage(int radius);
35     Drawing::RSXform MakeRSXform(Vector2f ofs, Vector2f position, float spin, float scale);
36     void CaculatePointAtlsArry(
37         const std::shared_ptr<RSRenderParticle>& particle, Vector2f position, float opacity, float scale);
38     void CaculateImageAtlsArry(Drawing::Canvas& canvas, const std::shared_ptr<RSRenderParticle>& particle,
39         Vector2f position, float opacity, float scale);
40     void DrawImageFill(Drawing::Canvas& canvas, const std::shared_ptr<RSRenderParticle>& particle,
41         Vector2f position, float opacity, float scale);
42     void DrawParticles(Drawing::Canvas& canvas);
43     void DrawCircle(Drawing::Canvas& canvas);
44     void DrawImages(Drawing::Canvas& canvas);
45 
46     std::vector<std::shared_ptr<RSRenderParticle>> particles_;
47     std::shared_ptr<Drawing::Image> circleImage_;
48     std::vector<std::shared_ptr<RSImage>> imageVector_;
49     size_t imageCount_;
50 
51     size_t pointCount_ = 0;
52     std::vector<Drawing::RSXform> pointRsxform_;
53     std::vector<Drawing::Rect> pointTex_;
54     std::vector<Drawing::ColorQuad> pointColors_;
55 
56     std::vector<int> count_; // Counts the number of each image
57     std::vector<std::vector<Drawing::RSXform>> imageRsxform_;
58     std::vector<std::vector<Drawing::Rect>> imageTex_;
59     std::vector<std::vector<Drawing::ColorQuad>> imageColors_;
60 };
61 
62 } // namespace Rosen
63 } // namespace OHOS
64 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_PARTICLE_DRAWABLE_H