1 /*
2  * Copyright (c) 2023 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_DECLARATIVE_FRONTEND_JS_VIEW_JS_CANVAS_PATTERN_H
17 #define FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_CANVAS_PATTERN_H
18 
19 #include "base/memory/referenced.h"
20 #include "bridge/declarative_frontend/engine/bindings_defines.h"
21 #include "bridge/declarative_frontend/jsview/canvas/js_canvas_renderer.h"
22 #include "bridge/declarative_frontend/jsview/js_view_abstract.h"
23 #include "core/components/common/properties/paint_state.h"
24 
25 namespace OHOS::Ace::Framework {
26 class JSCanvasPattern : public Referenced {
27 public:
28     JSCanvasPattern() = default;
29     ~JSCanvasPattern() override = default;
30 
31     static void JSBind(BindingTarget globalObj);
32     static void Constructor(const JSCallbackInfo& info);
33     static void Destructor(JSCanvasPattern* canvasPattern);
34 
35     void JSSetTransform(const JSCallbackInfo& info);
36 
37     TransformParam GetTransform() const;
38     void SetTransform(const TransformParam& transform);
39 
SetCanvasRenderer(const WeakPtr<JSCanvasRenderer> & canvasRenderer)40     void SetCanvasRenderer(const WeakPtr<JSCanvasRenderer>& canvasRenderer)
41     {
42         canvasRenderWeak_ = canvasRenderer;
43     }
44 
SetId(int32_t id)45     void SetId(int32_t id)
46     {
47         id_ = id;
48     }
49 
GetId()50     int32_t GetId() const
51     {
52         return id_;
53     }
54 
SetUnit(CanvasUnit unit)55     void SetUnit(CanvasUnit unit)
56     {
57         unit_ = unit;
58     }
59 
GetUnit()60     CanvasUnit GetUnit()
61     {
62         return unit_;
63     }
64 
GetDensity()65     double GetDensity()
66     {
67         double density = PipelineBase::GetCurrentDensity();
68         return ((GetUnit() == CanvasUnit::DEFAULT) && !NearZero(density)) ? density : 1.0;
69     }
70 
71     ACE_DISALLOW_COPY_AND_MOVE(JSCanvasPattern);
72 
73 private:
74     int32_t id_ = 0;
75     TransformParam transform_;
76     WeakPtr<JSCanvasRenderer> canvasRenderWeak_;
77     CanvasUnit unit_ = CanvasUnit::DEFAULT;
78 };
79 } // namespace OHOS::Ace::Framework
80 #endif // FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_CANVAS_PATTERN_H
81 
82