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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 GRAPHICS_EFFECT_GE_RENDER_H
17 #define GRAPHICS_EFFECT_GE_RENDER_H
18 
19 #include <memory>
20 
21 #include "ge_filter_composer.h"
22 #include "ge_hps_effect_filter.h"
23 #include "ge_shader.h"
24 #include "ge_shader_filter.h"
25 #include "ge_visual_effect.h"
26 #include "ge_visual_effect_container.h"
27 
28 #include "draw/brush.h"
29 #include "draw/canvas.h"
30 #include "draw/pen.h"
31 #include "effect/color_filter.h"
32 #include "effect/runtime_effect.h"
33 #include "effect/runtime_shader_builder.h"
34 #include "image/image.h"
35 
36 namespace OHOS {
37 namespace GraphicsEffectEngine {
38 
39 using namespace Rosen;
40 
41 class GE_EXPORT GERender {
42 public:
43     enum class EffectMode {
44         GE,
45         HPS,
46     };
47 
48     using IndexRange = HpsEffectFilter::IndexRange;
49     struct IndexRangeInfo {
50         EffectMode mode;
51         IndexRange range;
52 
IndexRangeInfoIndexRangeInfo53         IndexRangeInfo(EffectMode em, const IndexRange& r) : mode(em), range(r) {}
54     };
55 
56     GERender();
57     ~GERender();
58     void DrawShaderEffect(Drawing::Canvas& canvas, Drawing::GEVisualEffectContainer& veContainer,
59         const Drawing::Rect& bounds);
60 
61     void DrawImageEffect(Drawing::Canvas& canvas, Drawing::GEVisualEffectContainer& veContainer,
62         const std::shared_ptr<Drawing::Image>& image, const Drawing::Rect& src, const Drawing::Rect& dst,
63         const Drawing::SamplingOptions& sampling);
64 
65     std::shared_ptr<Drawing::Image> ApplyImageEffect(Drawing::Canvas& canvas,
66         Drawing::GEVisualEffectContainer& veContainer, const std::shared_ptr<Drawing::Image>& image,
67         const Drawing::Rect& src, const Drawing::Rect& dst, const Drawing::SamplingOptions& sampling);
68 
69     bool HpsSupportEffect(Drawing::GEVisualEffectContainer& veContainer,
70                           std::shared_ptr<HpsEffectFilter>& hpsEffectFilter);
71 
72     struct HpsGEImageEffectContext {
73         std::shared_ptr<Drawing::Image> image;
74         Drawing::Rect src;
75         Drawing::Rect dst;
76         Drawing::SamplingOptions sampling;
77         bool compatibleWithHpsSkipBlur;
78         float alpha;
79         std::shared_ptr<Drawing::ColorFilter> colorFilter;
80         uint32_t maskColor;
81         float saturationForHPS;
82         float brightnessForHPS;
83     };
84 
85     bool ApplyHpsImageEffect(Drawing::Canvas& canvas, Drawing::GEVisualEffectContainer& veContainer,
86         const HpsGEImageEffectContext& context, std::shared_ptr<Drawing::Image>& outImage);
87 
88     bool ApplyHpsGEImageEffect(
89         Drawing::Canvas& canvas, Drawing::GEVisualEffectContainer& veContainer,
90         const HpsGEImageEffectContext& context, std::shared_ptr<Drawing::Image>& outImage,
91         Drawing::Brush& brush
92     );
93 
94 private:
95     friend class OHOS::Rosen::GEFilterComposer;
96 
97     std::vector<IndexRangeInfo> CategorizeRanges(
98         const std::vector<IndexRange>& hpsIndexRanges, const int32_t veContainerSize);
99 
100     bool ComposeGEEffects(std::vector<std::shared_ptr<Drawing::GEVisualEffect>>& visualEffects,
101                           std::vector<std::shared_ptr<GEShaderFilter>>& geShaderFiltersOut);
102 
103     bool ApplyGEEffects(Drawing::Canvas& canvas,
104         std::vector<std::shared_ptr<Drawing::GEVisualEffect>>& visualEffects,
105         const HpsGEImageEffectContext& context, std::shared_ptr<Drawing::Image>& outImage);
106 
107     void DrawToCanvas(Drawing::Canvas& canvas, const HpsGEImageEffectContext& context,
108                       std::shared_ptr<Drawing::Image>& outImage, Drawing::Brush& brush);
109 
110     std::shared_ptr<GEShader> GenerateShaderEffect(const std::shared_ptr<Drawing::GEVisualEffectImpl>& ve);
111 
112     std::shared_ptr<GEShaderFilter> GenerateShaderFilter(const std::shared_ptr<Drawing::GEVisualEffect>& ve);
113     std::vector<std::shared_ptr<GEShaderFilter>> GenerateShaderFilters(Drawing::GEVisualEffectContainer& veContainer);
114 
115     std::shared_ptr<GEShaderFilter> GenerateExtShaderFilter(const std::shared_ptr<Drawing::GEVisualEffectImpl>&);
116     bool ExcuteRangeEmpty(Drawing::Canvas& canvas, Drawing::GEVisualEffectContainer& veContainer,
117         const HpsGEImageEffectContext& context, std::shared_ptr<Drawing::Image>& outImage, Drawing::Brush& brush);
118 };
119 
120 } // namespace GraphicsEffectEngine
121 } // namespace OHOS
122 
123 #endif // GRAPHICS_EFFECT_GE_RENDER_H
124