• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (c) 2021-2022 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 #include "bridge/declarative_frontend/jsview/canvas/js_canvas_path.h"
17 #include "bridge/declarative_frontend/jsview/canvas/js_canvas_util.h"
18 #include "bridge/declarative_frontend/jsview/canvas/js_rendering_context.h"
19 #include "bridge/declarative_frontend/jsview/js_view_common_def.h"
20 
21 namespace OHOS::Ace::Framework {
22 constexpr size_t GCTHRESHOLD = 50;
23 
JSCanvasPath()24 JSCanvasPath::JSCanvasPath()
25 {
26     if (Container::GreatOrEqualAPITargetVersion(PlatformVersion::VERSION_EIGHTEEN)) {
27         isJudgeSpecialValue_ = true;
28     }
29 }
30 
JsPath2DSetTransform(const JSCallbackInfo & info)31 void JSCanvasPath::JsPath2DSetTransform(const JSCallbackInfo& info)
32 {
33     double scaleX = 0.0;
34     double skewX = 0.0;
35     double skewY = 0.0;
36     double scaleY = 0.0;
37     double translateX = 0.0;
38     double translateY = 0.0;
39     if (info.GetDoubleArg(0, scaleX, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
40         info.GetDoubleArg(1, skewX, isJudgeSpecialValue_) && // Index1: the 2nd arg.
41         info.GetDoubleArg(2, skewY, isJudgeSpecialValue_) && // Index2: the 3rd arg.
42         info.GetDoubleArg(3, scaleY, isJudgeSpecialValue_) && // Index3: the 4th arg.
43         info.GetDoubleArg(4, translateX, isJudgeSpecialValue_) && // Index4: the 5th arg.
44         info.GetDoubleArg(5, translateY, isJudgeSpecialValue_)) { // Index5: the 6th arg.
45         double density = GetDensity();
46         path2d_->SetTransform(scaleX, skewX, skewY, scaleY, translateX * density, translateY * density);
47         SetPathSize(info);
48     }
49 }
50 
51 // moveTo(x: number, y: number): void
JsPath2DMoveTo(const JSCallbackInfo & info)52 void JSCanvasPath::JsPath2DMoveTo(const JSCallbackInfo& info)
53 {
54     double x = 0.0;
55     double y = 0.0;
56     if (info.GetDoubleArg(0, x, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
57         info.GetDoubleArg(1, y, isJudgeSpecialValue_)) { // Index1: the 2nd arg.
58         double density = GetDensity();
59         path2d_->MoveTo(x * density, y * density);
60         SetPathSize(info);
61     }
62 }
63 
64 // lineTo(x: number, y: number): void
JsPath2DLineTo(const JSCallbackInfo & info)65 void JSCanvasPath::JsPath2DLineTo(const JSCallbackInfo& info)
66 {
67     double x = 0.0;
68     double y = 0.0;
69     if (info.GetDoubleArg(0, x, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
70         info.GetDoubleArg(1, y, isJudgeSpecialValue_)) { // Index1: the 2nd arg.
71         double density = GetDensity();
72         path2d_->LineTo(x * density, y * density);
73         SetPathSize(info);
74     }
75 }
76 
77 // arc(x: number, y: number, radius: number, startAngle: number, endAngle: number, counterclockwise?: boolean): void
JsPath2DArc(const JSCallbackInfo & info)78 void JSCanvasPath::JsPath2DArc(const JSCallbackInfo& info)
79 {
80     double x = 0.0;
81     double y = 0.0;
82     double radius = 0.0;
83     double startAngle = 0.0;
84     double endAngle = 0.0;
85     if (info.GetDoubleArg(0, x, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
86         info.GetDoubleArg(1, y, isJudgeSpecialValue_) && // Index1: the 2nd arg.
87         info.GetDoubleArg(2, radius, isJudgeSpecialValue_) && // Index2: the 3rd arg.
88         info.GetDoubleArg(3, startAngle, isJudgeSpecialValue_) && // Index3: the 4th arg.
89         info.GetDoubleArg(4, endAngle, isJudgeSpecialValue_)) { // Index4: the 5th arg.
90         bool anticlockwise = false;
91         info.GetBooleanArg(5, anticlockwise);
92         double density = GetDensity();
93         path2d_->Arc(x * density, y * density, radius * density, startAngle, endAngle, anticlockwise);
94         SetPathSize(info);
95     }
96 }
97 
98 // arcTo(x1: number, y1: number, x2: number, y2: number, radius: number): void
JsPath2DArcTo(const JSCallbackInfo & info)99 void JSCanvasPath::JsPath2DArcTo(const JSCallbackInfo& info)
100 {
101     double x1 = 0.0;
102     double y1 = 0.0;
103     double x2 = 0.0;
104     double y2 = 0.0;
105     double radius = 0.0;
106     if (info.GetDoubleArg(0, x1, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
107         info.GetDoubleArg(1, y1, isJudgeSpecialValue_) && // Index1: the 2nd arg.
108         info.GetDoubleArg(2, x2, isJudgeSpecialValue_) && // Index2: the 3rd arg.
109         info.GetDoubleArg(3, y2, isJudgeSpecialValue_) && // Index3: the 4th arg.
110         info.GetDoubleArg(4, radius, isJudgeSpecialValue_)) { // Index4: the 5th arg.
111         double density = GetDensity();
112         path2d_->ArcTo(x1 * density, y1 * density, x2 * density, y2 * density, radius * density);
113         SetPathSize(info);
114     }
115 }
116 
117 // quadraticCurveTo(cpx: number, cpy: number, x: number ,y: number): void
JsPath2DQuadraticCurveTo(const JSCallbackInfo & info)118 void JSCanvasPath::JsPath2DQuadraticCurveTo(const JSCallbackInfo& info)
119 {
120     double cpx = 0.0;
121     double cpy = 0.0;
122     double x = 0.0;
123     double y = 0.0;
124     if (info.GetDoubleArg(0, cpx, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
125         info.GetDoubleArg(1, cpy, isJudgeSpecialValue_) && // Index1: the 2nd arg.
126         info.GetDoubleArg(2, x, isJudgeSpecialValue_) && // Index2: the 3rd arg.
127         info.GetDoubleArg(3, y, isJudgeSpecialValue_)) { // Index3: the 4th arg.
128         double density = GetDensity();
129         path2d_->QuadraticCurveTo(cpx * density, cpy * density, x * density, y * density);
130         SetPathSize(info);
131     }
132 }
133 
134 // bezierCurveTo(cp1x: number, cp1y: number, cp2x: number, cp2y: number, x: number, y: number): void
JsPath2DBezierCurveTo(const JSCallbackInfo & info)135 void JSCanvasPath::JsPath2DBezierCurveTo(const JSCallbackInfo& info)
136 {
137     double cp1x = 0.0;
138     double cp1y = 0.0;
139     double cp2x = 0.0;
140     double cp2y = 0.0;
141     double x = 0.0;
142     double y = 0.0;
143     if (info.GetDoubleArg(0, cp1x, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
144         info.GetDoubleArg(1, cp1y, isJudgeSpecialValue_) && // Index1: the 2nd arg.
145         info.GetDoubleArg(2, cp2x, isJudgeSpecialValue_) && // Index2: the 3rd arg.
146         info.GetDoubleArg(3, cp2y, isJudgeSpecialValue_) && // Index3: the 4th arg.
147         info.GetDoubleArg(4, x, isJudgeSpecialValue_) && // Index4: the 5th arg.
148         info.GetDoubleArg(5, y, isJudgeSpecialValue_)) { // Index5: the 6th arg.
149         double density = GetDensity();
150         path2d_->BezierCurveTo(
151             cp1x * density, cp1y * density, cp2x * density, cp2y * density, x * density, y * density);
152         SetPathSize(info);
153     }
154 }
155 
156 // ellipse(x: number, y: number, radiusX: number, radiusY: number, rotation: number, startAngle: number,
157 //         endAngle: number, counterclockwise?: boolean): void
JsPath2DEllipse(const JSCallbackInfo & info)158 void JSCanvasPath::JsPath2DEllipse(const JSCallbackInfo& info)
159 {
160     double x = 0.0;
161     double y = 0.0;
162     double radiusX = 0.0;
163     double radiusY = 0.0;
164     double rotation = 0.0;
165     double startAngle = 0.0;
166     double endAngle = 0.0;
167     if (info.GetDoubleArg(0, x, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
168         info.GetDoubleArg(1, y, isJudgeSpecialValue_) && // Index1: the 2nd arg.
169         info.GetDoubleArg(2, radiusX, isJudgeSpecialValue_) && // Index2: the 3rd arg.
170         info.GetDoubleArg(3, radiusY, isJudgeSpecialValue_) && // Index3: the 4th arg.
171         info.GetDoubleArg(4, rotation, isJudgeSpecialValue_) && // Index4: the 5th arg.
172         info.GetDoubleArg(5, startAngle, isJudgeSpecialValue_) && // Index5: the 6th arg.
173         info.GetDoubleArg(6, endAngle, isJudgeSpecialValue_)) { // Index6: the 7th arg.
174         bool anticlockwise = false;
175         info.GetBooleanArg(7, anticlockwise);
176         double density = GetDensity();
177         path2d_->Ellipse(x * density, y * density, radiusX * density, radiusY * density, rotation,
178             startAngle, endAngle, anticlockwise);
179         SetPathSize(info);
180     }
181 }
182 
183 // rect(x: number, y: number, w: number, h: number): void
JsPath2DRect(const JSCallbackInfo & info)184 void JSCanvasPath::JsPath2DRect(const JSCallbackInfo& info)
185 {
186     double x = 0.0;
187     double y = 0.0;
188     double width = 0.0;
189     double height = 0.0;
190     if (info.GetDoubleArg(0, x, isJudgeSpecialValue_) && // Indexd0: the 1st arg.
191         info.GetDoubleArg(1, y, isJudgeSpecialValue_) && // Index1: the 2nd arg.
192         info.GetDoubleArg(2, width, isJudgeSpecialValue_) && // Index2: the 3rd arg.
193         info.GetDoubleArg(3, height, isJudgeSpecialValue_)) { // Index3: the 4th arg.
194         double density = GetDensity();
195         path2d_->Rect(x * density, y * density, width * density, height * density);
196         SetPathSize(info);
197     }
198 }
199 
200 // roundRect(x: number, y: number, width: number, height: number, radius: number|Array<number>): void
JsPath2DRoundRect(const JSCallbackInfo & info)201 void JSCanvasPath::JsPath2DRoundRect(const JSCallbackInfo& info)
202 {
203     Rect rect;
204     std::vector<double> radii;
205     double density = GetDensity();
206     if (!ParseRoundRect(info, rect, radii, density, isJudgeSpecialValue_)) {
207         return;
208     }
209     path2d_->RoundRect(rect * density, radii);
210     SetPathSize(info);
211 }
212 
213 // closePath(): void
JsPath2DClosePath(const JSCallbackInfo & info)214 void JSCanvasPath::JsPath2DClosePath(const JSCallbackInfo& info)
215 {
216     path2d_->ClosePath();
217     SetPathSize(info);
218 }
219 
SetPathSize(const JSCallbackInfo & info)220 void JSCanvasPath::SetPathSize(const JSCallbackInfo& info)
221 {
222     CHECK_NULL_VOID(path2d_);
223     const std::vector<std::pair<PathCmd, PathArgs>> caches = path2d_->GetCaches();
224     size_t pathSize = caches.size();
225     if (pathSize - lastPathSize_ > GCTHRESHOLD) {
226         EcmaVM* vm = info.GetVm();
227         CHECK_NULL_VOID(vm);
228         panda::CopyableGlobal<ObjectRef> pathCmdObj = panda::CopyableGlobal<ObjectRef>(pathCmdObj_);
229         if (!pathCmdObj.IsEmpty()) {
230             pathCmdObj->SetNativePointerField(
231                 vm, 0, nullptr, &JSCanvasPath::DestructorInterceptor, nullptr,
232                 (pathSize - lastPathSize_) * sizeof(std::pair<PathCmd, PathArgs>));
233             lastPathSize_ = pathSize;
234         }
235     }
236 }
237 } // namespace OHOS::Ace::Framework
238