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 FRAMEWORKS_BRIDGE_CJ_FRONTEND_CPP_VIEW_OFFSCREEN_CAVANS_H 17 #define FRAMEWORKS_BRIDGE_CJ_FRONTEND_CPP_VIEW_OFFSCREEN_CAVANS_H 18 19 #include <cstdint> 20 21 #include "ffi_remote_data.h" 22 23 #include "base/memory/referenced.h" 24 #include "bridge/cj_frontend/cppview/offscreen_rendering_context.h" 25 #include "core/components/common/properties/decoration.h" 26 #include "core/components_ng/pattern/canvas/offscreen_canvas_pattern.h" 27 28 namespace OHOS::Ace::Framework { 29 30 class ACE_EXPORT NativeOffscreenCanvas : public OHOS::FFI::FFIData { 31 public: 32 NativeOffscreenCanvas(double height, double width, int32_t unit); 33 ~NativeOffscreenCanvas() override; 34 35 int64_t GetContext(int32_t contextType, bool option, double width, double height); 36 int64_t TransferToImageBitmap(); 37 void NativeSetHeihgt(double height); 38 void NativeSetWidth(double width); 39 double NativeGetHeihgt(); 40 double NativeGetWidth(); 41 SetWidth(double width)42 void SetWidth(double width) 43 { 44 width_ = width; 45 } 46 GetWidth()47 double GetWidth() const 48 { 49 return width_; 50 } 51 SetHeight(double height)52 void SetHeight(double height) 53 { 54 height_ = height; 55 } 56 GetHeight()57 double GetHeight() const 58 { 59 return height_; 60 } 61 IsGetContext()62 bool IsGetContext() const 63 { 64 return isGetContext_; 65 } 66 SetDetachStatus(bool isDetached)67 void SetDetachStatus(bool isDetached) 68 { 69 isDetached_ = isDetached; 70 } 71 IsDetached()72 bool IsDetached() const 73 { 74 return isDetached_; 75 } 76 SetUnit(CanvasUnit unit)77 void SetUnit(CanvasUnit unit) 78 { 79 unit_ = unit; 80 } 81 SetOffscreenPattern(const RefPtr<NG::OffscreenCanvasPattern> & offscreenPattern)82 void SetOffscreenPattern(const RefPtr<NG::OffscreenCanvasPattern>& offscreenPattern) 83 { 84 offscreenCanvasPattern_ = offscreenPattern; 85 } 86 GetUnit()87 CanvasUnit GetUnit() 88 { 89 return unit_; 90 } 91 GetDensity()92 double GetDensity() 93 { 94 double density = PipelineBase::GetCurrentDensity(); 95 return ((GetUnit() == CanvasUnit::DEFAULT) && !NearZero(density)) ? density : 1.0; 96 } 97 98 enum class ContextType { 99 CONTEXT_2D = 0, 100 }; 101 SetOffscreenCanvasContext(const sptr<CJOffscreenRenderingContext> offscreenCanvasContext)102 void SetOffscreenCanvasContext(const sptr<CJOffscreenRenderingContext> offscreenCanvasContext) 103 { 104 offscreenCanvasContext_ = offscreenCanvasContext; 105 } 106 107 private: 108 CanvasUnit unit_ = CanvasUnit::DEFAULT; 109 double width_ = 0.0f; 110 double height_ = 0.0f; 111 RefPtr<NG::OffscreenCanvasPattern> offscreenCanvasPattern_; 112 sptr<CJOffscreenRenderingContext> offscreenCanvasContext_; 113 bool isGetContext_ = false; 114 bool isDetached_ = false; 115 ContextType contextType_; 116 }; 117 118 } // namespace OHOS::Ace::Framework 119 #endif // FRAMEWORKS_BRIDGE_CJ_FRONTEND_CPP_VIEW_CAVANS_PATH_H 120