• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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
16import {BaseStruct} from "./BaseStruct.js";
17import {ns2x} from "../component/trace/TimerShaftElement.js";
18import {Rect} from "../component/trace/timer-shaft/Rect.js";
19
20export class HeapStruct extends BaseStruct {
21    static hoverHeapStruct: HeapStruct | undefined;
22    startTime: number | undefined
23    endTime: number | undefined
24    dur: number | undefined
25    eventType: string | undefined
26    heapsize: number | undefined
27    maxHeapSize: number = 0
28    minHeapSize: number = 0
29
30    static setFrame(node: HeapStruct, padding: number, startNS: number, endNS: number, totalNS: number, frame: Rect) {
31        let x1: number, x2: number;
32        if ((node.startTime || 0) < startNS) {
33            x1 = 0;
34        } else {
35            x1 = ns2x((node.startTime || 0), startNS, endNS, totalNS, frame);
36        }
37        if ((node.startTime || 0) + (node.dur || 0) > endNS) {
38            x2 = frame.width;
39        } else {
40            // @ts-ignore
41            x2 = ns2x(node.startTime + node.dur, startNS, endNS, totalNS, frame);
42        }
43        let getV: number = x2 - x1 <= 1 ? 1 : x2 - x1;
44        let rectangle: Rect = new Rect(Math.floor(x1), Math.ceil(frame.y + padding), Math.ceil(getV), Math.floor(frame.height - padding * 2));
45        node.frame = rectangle;
46    }
47
48    static draw(ctx: CanvasRenderingContext2D, data: HeapStruct) {
49        if (data.frame) {
50            let width = data.frame.width || 0;
51            ctx.fillStyle = "#2db3aa"
52            ctx.strokeStyle = "#2db3aa"
53            if (data.startTime === HeapStruct.hoverHeapStruct?.startTime) {
54                ctx.lineWidth = 1;
55                ctx.globalAlpha = 0.6;
56                let drawHeight: number = Math.ceil(((data.heapsize || 0) * (data.frame.height || 0)) / data.maxHeapSize);
57                ctx.fillRect(data.frame.x, data.frame.y + data.frame.height - drawHeight, width, drawHeight)
58                ctx.beginPath()
59                ctx.arc(data.frame.x, data.frame.y + data.frame.height - drawHeight, 3, 0, 2 * Math.PI, true)
60                ctx.fill()
61                ctx.globalAlpha = 1.0;
62                ctx.stroke();
63                ctx.beginPath()
64                ctx.moveTo(data.frame.x + 3, data.frame.y + data.frame.height - drawHeight);
65                ctx.lineWidth = 3;
66                ctx.lineTo(data.frame.x + width, data.frame.y + data.frame.height - drawHeight)
67                ctx.stroke();
68            } else {
69                ctx.globalAlpha = 0.6;
70                ctx.lineWidth = 1;
71                let drawHeight: number = Math.ceil(((data.heapsize || 0) * (data.frame.height || 0)) / data.maxHeapSize);
72                ctx.fillRect(data.frame.x, data.frame.y + data.frame.height - drawHeight, width, drawHeight)
73            }
74        }
75        ctx.globalAlpha = 1.0;
76        ctx.lineWidth = 1;
77    }
78}