1 /* 2 * Copyright (c) 2025-2025 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 POINTER_RENDERER_H 17 #define POINTER_RENDERER_H 18 19 #include "struct_multimodal.h" 20 #include "ui/rs_canvas_node.h" 21 #include "ui/rs_surface_node.h" 22 23 namespace OHOS::MMI { 24 using image_ptr_t = std::shared_ptr<Rosen::Drawing::Image>; 25 using pixelmap_ptr_t = std::shared_ptr<OHOS::Media::PixelMap>; 26 constexpr int32_t DEFAULT_IMG_SIZE{ 10 }; 27 28 class RenderConfig { 29 public: 30 MOUSE_ICON style_; 31 ICON_TYPE align_; 32 std::string path_; 33 uint32_t color { 0 }; 34 uint32_t size { 0 }; 35 uint32_t direction { 0 }; 36 float dpi { 0 }; 37 bool isHard { false }; 38 int32_t rotationAngle { 0 }; 39 uint32_t rotationFocusX { 0 }; 40 uint32_t rotationFocusY { 0 }; 41 pixelmap_ptr_t userIconPixelMap { nullptr }; 42 int32_t userIconHotSpotX { 0 }; 43 int32_t userIconHotSpotY { 0 }; 44 bool userIconFollowSystem { false }; 45 int32_t GetImageSize() const; 46 float AdjustIncreaseRatio(float dpi) const; 47 std::string ToString() const; 48 int32_t GetOffsetX() const; 49 int32_t GetOffsetY() const; 50 51 RenderConfig() = default; 52 ~RenderConfig() = default; 53 54 bool operator == (const RenderConfig& rhs) const 55 { 56 return style_ == rhs.style_ && GetImageSize() == rhs.GetImageSize() && color == rhs.color; 57 } 58 59 bool operator != (const RenderConfig& rhs) const 60 { 61 return style_ != rhs.style_ || GetImageSize() != rhs.GetImageSize() || color != rhs.color; 62 } 63 }; 64 65 class PointerRenderer { 66 public: 67 PointerRenderer() = default; 68 ~PointerRenderer() = default; 69 70 int32_t Render(uint8_t *addr, uint32_t width, uint32_t height, const RenderConfig &cfg); 71 int32_t DynamicRender(uint8_t *addr, uint32_t width, uint32_t height, const RenderConfig &cfg); 72 image_ptr_t UserIconScale(uint32_t width, uint32_t height, const RenderConfig &cfg); 73 private: 74 image_ptr_t LoadPointerImage(const RenderConfig &cfg); 75 pixelmap_ptr_t LoadCursorSvgWithColor(const RenderConfig &cfg); 76 image_ptr_t ExtractDrawingImage(pixelmap_ptr_t pixelMap); 77 int32_t DrawImage(OHOS::Rosen::Drawing::Canvas &canvas, const RenderConfig &cfg); 78 std::vector<std::tuple<RenderConfig, image_ptr_t>> imgMaps_; FindImg(const RenderConfig & cfg)79 image_ptr_t FindImg(const RenderConfig &cfg) 80 { 81 for (auto& data : imgMaps_) { 82 if (std::get<0>(data) == cfg) { 83 return std::get<1>(data); 84 } 85 } 86 return nullptr; 87 } PushImg(const RenderConfig & cfg,image_ptr_t img)88 void PushImg(const RenderConfig &cfg, image_ptr_t img) 89 { 90 if (imgMaps_.size() >= DEFAULT_IMG_SIZE) { 91 imgMaps_.erase(imgMaps_.begin()); 92 } 93 imgMaps_.push_back({cfg, img}); 94 } 95 }; 96 } // namespace OHOS::MMI 97 98 #endif // POINTER_RENDERER_H