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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_CUSTOM_PAINT_OFFSCREEN_CANVAS_PAINT_METHOD_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_CUSTOM_PAINT_OFFSCREEN_CANVAS_PAINT_METHOD_H 18 19 #include "core/components_ng/pattern/canvas/custom_paint_paint_method.h" 20 21 namespace OHOS::Ace::NG { 22 using setColorFunc = std::function<void (const std::string&)>; 23 24 class OffscreenCanvasPaintMethod : public CustomPaintPaintMethod { 25 DECLARE_ACE_TYPE(OffscreenCanvasPaintMethod, CustomPaintPaintMethod) 26 public: 27 OffscreenCanvasPaintMethod() = default; 28 OffscreenCanvasPaintMethod(int32_t width, int32_t height); 29 ~OffscreenCanvasPaintMethod() override = default; 30 31 RefPtr<PixelMap> TransferToImageBitmap(); 32 void DrawPixelMap(RefPtr<PixelMap> pixelMap, const Ace::CanvasImage& canvasImage); 33 std::unique_ptr<Ace::ImageData> GetImageData(double left, double top, double width, double height); 34 void GetImageData(const std::shared_ptr<Ace::ImageData>& imageData); 35 std::string ToDataURL(const std::string& type, const double quality); 36 37 TransformParam GetTransform() const override; 38 LineDashParam GetLineDash() const override; 39 void UpdateSize(int32_t width, int32_t height); 40 void Reset(); GetWidth()41 int32_t GetWidth() 42 { 43 return width_; 44 } GetHeight()45 int32_t GetHeight() 46 { 47 return height_; 48 } GetBitmapSize()49 size_t GetBitmapSize() 50 { 51 return bitmapSize_; 52 } 53 private: 54 void InitBitmap(); 55 #ifndef ACE_UNITTEST 56 void ConvertTxtStyle(const TextStyle& textStyle, Rosen::TextStyle& txtStyle) override; 57 #endif 58 59 RSBitmap bitmap_; 60 61 int32_t width_; 62 int32_t height_; 63 size_t bitmapSize_ = 0; 64 }; 65 } // namespace OHOS::Ace::NG 66 67 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERN_CUSTOM_PAINT_CUSTOM_PAINT_PAINT_METHOD_H 68