@lxlib/chart/esm2015/water-wave/water-wave.component.js

This library was generated with [Angular CLI](https://github.com/angular/angular-cli) version 9.1.1.

/**
 * @fileoverview added by tsickle
 * Generated from: water-wave.component.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { __decorate, __metadata } from "tslib";
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, Input, NgZone, Renderer2, ViewChild, ViewEncapsulation, } from '@angular/core';
import { InputNumber } from '@lxlib/util';
import { fromEvent } from 'rxjs';
import { debounceTime } from 'rxjs/operators';
export class G2WaterWaveComponent {
    // #endregion
    /**
     * @param {?} el
     * @param {?} renderer
     * @param {?} ngZone
     * @param {?} cdr
     */
    constructor(el, renderer, ngZone, cdr) {
        this.el = el;
        this.renderer = renderer;
        this.ngZone = ngZone;
        this.cdr = cdr;
        this.resize$ = null;
        // #region fields
        this.delay = 0;
        this.color = '#1890FF';
        this.height = 160;
    }
    /**
     * @private
     * @param {?} type
     * @return {?}
     */
    renderChart(type) {
        if (!this.resize$)
            return;
        this.updateRadio();
        const { percent, color, node } = this;
        /** @type {?} */
        const data = Math.min(Math.max(percent / 100, 0), 100);
        /** @type {?} */
        const self = this;
        cancelAnimationFrame(this.timer);
        /** @type {?} */
        const canvas = (/** @type {?} */ (node.nativeElement));
        /** @type {?} */
        const ctx = (/** @type {?} */ (canvas.getContext('2d')));
        /** @type {?} */
        const canvasWidth = canvas.width;
        /** @type {?} */
        const canvasHeight = canvas.height;
        /** @type {?} */
        const radius = canvasWidth / 2;
        /** @type {?} */
        const lineWidth = 2;
        /** @type {?} */
        const cR = radius - lineWidth;
        ctx.beginPath();
        ctx.lineWidth = lineWidth * 2;
        /** @type {?} */
        const axisLength = canvasWidth - lineWidth;
        /** @type {?} */
        const unit = axisLength / 8;
        /** @type {?} */
        const range = 0.2;
        // 振幅
        /** @type {?} */
        let currRange = range;
        /** @type {?} */
        const xOffset = lineWidth;
        /** @type {?} */
        let sp = 0;
        // 周期偏移量
        /** @type {?} */
        let currData = 0;
        /** @type {?} */
        const waveupsp = 0.005;
        // 水波上涨速度
        /** @type {?} */
        let arcStack = [];
        /** @type {?} */
        const bR = radius - lineWidth;
        /** @type {?} */
        const circleOffset = -(Math.PI / 2);
        /** @type {?} */
        let circleLock = true;
        // tslint:disable-next-line:binary-expression-operand-order
        for (let i = circleOffset; i < circleOffset + 2 * Math.PI; i += 1 / (8 * Math.PI)) {
            arcStack.push([radius + bR * Math.cos(i), radius + bR * Math.sin(i)]);
        }
        /** @type {?} */
        const cStartPoint = (/** @type {?} */ (arcStack.shift()));
        ctx.strokeStyle = color;
        ctx.moveTo(cStartPoint[0], cStartPoint[1]);
        /**
         * @return {?}
         */
        function drawSin() {
            ctx.beginPath();
            ctx.save();
            /** @type {?} */
            const sinStack = [];
            for (let i = xOffset; i <= xOffset + axisLength; i += 20 / axisLength) {
                /** @type {?} */
                const x = sp + (xOffset + i) / unit;
                /** @type {?} */
                const y = Math.sin(x) * currRange;
                /** @type {?} */
                const dx = i;
                // tslint:disable-next-line:binary-expression-operand-order
                /** @type {?} */
                const dy = 2 * cR * (1 - currData) + (radius - cR) - unit * y;
                ctx.lineTo(dx, dy);
                sinStack.push([dx, dy]);
            }
            /** @type {?} */
            const startPoint = (/** @type {?} */ (sinStack.shift()));
            ctx.lineTo(xOffset + axisLength, canvasHeight);
            ctx.lineTo(xOffset, canvasHeight);
            ctx.lineTo(startPoint[0], startPoint[1]);
            /** @type {?} */
            const gradient = ctx.createLinearGradient(0, 0, 0, canvasHeight);
            gradient.addColorStop(0, '#ffffff');
            gradient.addColorStop(1, color);
            ctx.fillStyle = gradient;
            ctx.fill();
            ctx.restore();
        }
        /**
         * @return {?}
         */
        function render() {
            ctx.clearRect(0, 0, canvasWidth, canvasHeight);
            if (circleLock && type !== 'update') {
                if ((/** @type {?} */ (arcStack)).length) {
                    /** @type {?} */
                    const temp = (/** @type {?} */ ((/** @type {?} */ (arcStack)).shift()));
                    ctx.lineTo(temp[0], temp[1]);
                    ctx.stroke();
                }
                else {
                    circleLock = false;
                    ctx.lineTo(cStartPoint[0], cStartPoint[1]);
                    ctx.stroke();
                    arcStack = null;
                    ctx.globalCompositeOperation = 'destination-over';
                    ctx.beginPath();
                    ctx.lineWidth = lineWidth;
                    // tslint:disable-next-line:binary-expression-operand-order
                    ctx.arc(radius, radius, bR, 0, 2 * Math.PI, true);
                    ctx.beginPath();
                    ctx.save();
                    // tslint:disable-next-line:binary-expression-operand-order
                    ctx.arc(radius, radius, radius - 3 * lineWidth, 0, 2 * Math.PI, true);
                    ctx.restore();
                    ctx.clip();
                    ctx.fillStyle = color;
                }
            }
            else {
                if (data >= 0.85) {
                    if (currRange > range / 4) {
                        /** @type {?} */
                        const t = range * 0.01;
                        currRange -= t;
                    }
                }
                else if (data <= 0.1) {
                    if (currRange < range * 1.5) {
                        /** @type {?} */
                        const t = range * 0.01;
                        currRange += t;
                    }
                }
                else {
                    if (currRange <= range) {
                        /** @type {?} */
                        const t = range * 0.01;
                        currRange += t;
                    }
                    if (currRange >= range) {
                        /** @type {?} */
                        const t = range * 0.01;
                        currRange -= t;
                    }
                }
                if (data - currData > 0) {
                    currData += waveupsp;
                }
                if (data - currData < 0) {
                    currData -= waveupsp;
                }
                sp += 0.07;
                drawSin();
            }
            self.timer = requestAnimationFrame(render);
        }
        render();
    }
    /**
     * @private
     * @return {?}
     */
    updateRadio() {
        const { offsetWidth } = this.el.nativeElement.parentNode;
        /** @type {?} */
        const radio = offsetWidth < this.height ? offsetWidth / this.height : 1;
        this.renderer.setStyle(this.el.nativeElement, 'transform', `scale(${radio})`);
    }
    /**
     * @private
     * @return {?}
     */
    installResizeEvent() {
        this.resize$ = fromEvent(window, 'resize')
            .pipe(debounceTime(200))
            .subscribe((/**
         * @return {?}
         */
        () => this.updateRadio()));
    }
    /**
     * @return {?}
     */
    ngOnInit() {
        this.installResizeEvent();
        this.ngZone.runOutsideAngular((/**
         * @return {?}
         */
        () => setTimeout((/**
         * @return {?}
         */
        () => this.renderChart('')), this.delay)));
    }
    /**
     * @return {?}
     */
    ngOnChanges() {
        this.ngZone.runOutsideAngular((/**
         * @return {?}
         */
        () => this.renderChart('update')));
        this.cdr.detectChanges();
    }
    /**
     * @return {?}
     */
    ngOnDestroy() {
        if (this.timer) {
            cancelAnimationFrame(this.timer);
        }
        (/** @type {?} */ (this.resize$)).unsubscribe();
    }
}
G2WaterWaveComponent.decorators = [
    { type: Component, args: [{
                selector: 'g2-water-wave',
                exportAs: 'g2WaterWave',
                template: "<div [ngStyle]=\"{'height.px': height, 'width.px': height, 'overflow': 'hidden'}\">\n  <canvas #container class=\"g2-water-wave__canvas\" width=\"{{height*2}}\" height=\"{{height*2}}\"></canvas>\n</div>\n<div class=\"g2-water-wave__desc\" [ngStyle]=\"{'width.px': height}\">\n  <span *ngIf=\"title\" class=\"g2-water-wave__desc-title\">\n    <ng-container *nzStringTemplateOutlet=\"title\">{{title}}</ng-container>\n  </span>\n  <h4 class=\"g2-water-wave__desc-percent\">{{percent}}%</h4>\n</div>\n",
                host: { '[class.g2-water-wave]': 'true' },
                preserveWhitespaces: false,
                changeDetection: ChangeDetectionStrategy.OnPush,
                encapsulation: ViewEncapsulation.None
            }] }
];
/** @nocollapse */
G2WaterWaveComponent.ctorParameters = () => [
    { type: ElementRef },
    { type: Renderer2 },
    { type: NgZone },
    { type: ChangeDetectorRef }
];
G2WaterWaveComponent.propDecorators = {
    node: [{ type: ViewChild, args: ['container', { static: true },] }],
    delay: [{ type: Input }],
    title: [{ type: Input }],
    color: [{ type: Input }],
    height: [{ type: Input }],
    percent: [{ type: Input }]
};
__decorate([
    InputNumber(),
    __metadata("design:type", Object)
], G2WaterWaveComponent.prototype, "delay", void 0);
__decorate([
    InputNumber(),
    __metadata("design:type", Object)
], G2WaterWaveComponent.prototype, "height", void 0);
__decorate([
    InputNumber(),
    __metadata("design:type", Number)
], G2WaterWaveComponent.prototype, "percent", void 0);
if (false) {
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.resize$;
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.node;
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.timer;
    /** @type {?} */
    G2WaterWaveComponent.prototype.delay;
    /** @type {?} */
    G2WaterWaveComponent.prototype.title;
    /** @type {?} */
    G2WaterWaveComponent.prototype.color;
    /** @type {?} */
    G2WaterWaveComponent.prototype.height;
    /** @type {?} */
    G2WaterWaveComponent.prototype.percent;
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.el;
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.renderer;
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.ngZone;
    /**
     * @type {?}
     * @private
     */
    G2WaterWaveComponent.prototype.cdr;
}
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{\n  ChangeDetectionStrategy,\n  ChangeDetectorRef,\n  Component,\n  ElementRef,\n  Input,\n  NgZone,\n  OnChanges,\n  OnDestroy,\n  OnInit,\n  Renderer2,\n  TemplateRef,\n  ViewChild,\n  ViewEncapsulation,\n} from '@angular/core';\nimport { InputNumber } from '@lxlib/util';\nimport { fromEvent, Subscription } from 'rxjs';\nimport { debounceTime } from 'rxjs/operators';\n\n@Component({\n  selector: 'g2-water-wave',\n  exportAs: 'g2WaterWave',\n  templateUrl: './water-wave.component.html',\n  host: { '[class.g2-water-wave]': 'true' },\n  preserveWhitespaces: false,\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n})\nexport class G2WaterWaveComponent implements OnDestroy, OnChanges, OnInit {\n  private resize$: Subscription | null = null;\n  @ViewChild('container', { static: true }) private node: ElementRef;\n  private timer: number;\n\n  // #region fields\n\n  @Input() @InputNumber() delay = 0;\n  @Input() title: string | TemplateRef<void>;\n  @Input() color = '#1890FF';\n  @Input() @InputNumber() height = 160;\n  @Input() @InputNumber() percent: number;\n\n  // #endregion\n\n  constructor(private el: ElementRef, private renderer: Renderer2, private ngZone: NgZone, private cdr: ChangeDetectorRef) { }\n\n  private renderChart(type: string) {\n    if (!this.resize$) return;\n\n    this.updateRadio();\n\n    const { percent, color, node } = this;\n\n    const data = Math.min(Math.max(percent / 100, 0), 100);\n    const self = this;\n    cancelAnimationFrame(this.timer);\n\n    const canvas = node.nativeElement as HTMLCanvasElement;\n    const ctx = canvas.getContext('2d') as CanvasRenderingContext2D;\n    const canvasWidth = canvas.width;\n    const canvasHeight = canvas.height;\n    const radius = canvasWidth / 2;\n    const lineWidth = 2;\n    const cR = radius - lineWidth;\n\n    ctx.beginPath();\n    ctx.lineWidth = lineWidth * 2;\n\n    const axisLength = canvasWidth - lineWidth;\n    const unit = axisLength / 8;\n    const range = 0.2; // 振幅\n    let currRange = range;\n    const xOffset = lineWidth;\n    let sp = 0; // 周期偏移量\n    let currData = 0;\n    const waveupsp = 0.005; // 水波上涨速度\n\n    let arcStack: [[number, number]?] | null = [];\n    const bR = radius - lineWidth;\n    const circleOffset = -(Math.PI / 2);\n    let circleLock = true;\n\n    // tslint:disable-next-line:binary-expression-operand-order\n    for (let i = circleOffset; i < circleOffset + 2 * Math.PI; i += 1 / (8 * Math.PI)) {\n      arcStack.push([radius + bR * Math.cos(i), radius + bR * Math.sin(i)]);\n    }\n\n    const cStartPoint = arcStack.shift() as [number, number];\n    ctx.strokeStyle = color;\n    ctx.moveTo(cStartPoint[0], cStartPoint[1]);\n\n    function drawSin() {\n      ctx.beginPath();\n      ctx.save();\n\n      const sinStack: [[number, number]?] = [];\n      for (let i = xOffset; i <= xOffset + axisLength; i += 20 / axisLength) {\n        const x = sp + (xOffset + i) / unit;\n        const y = Math.sin(x) * currRange;\n        const dx = i;\n        // tslint:disable-next-line:binary-expression-operand-order\n        const dy = 2 * cR * (1 - currData) + (radius - cR) - unit * y;\n\n        ctx.lineTo(dx, dy);\n        sinStack.push([dx, dy]);\n      }\n\n      const startPoint = sinStack.shift() as [number, number];\n\n      ctx.lineTo(xOffset + axisLength, canvasHeight);\n      ctx.lineTo(xOffset, canvasHeight);\n      ctx.lineTo(startPoint[0], startPoint[1]);\n\n      const gradient = ctx.createLinearGradient(0, 0, 0, canvasHeight);\n      gradient.addColorStop(0, '#ffffff');\n      gradient.addColorStop(1, color);\n      ctx.fillStyle = gradient;\n      ctx.fill();\n      ctx.restore();\n    }\n\n    function render() {\n      ctx.clearRect(0, 0, canvasWidth, canvasHeight);\n      if (circleLock && type !== 'update') {\n        if (arcStack!.length) {\n          const temp = arcStack!.shift() as [number, number];\n          ctx.lineTo(temp[0], temp[1]);\n          ctx.stroke();\n        } else {\n          circleLock = false;\n          ctx.lineTo(cStartPoint[0], cStartPoint[1]);\n          ctx.stroke();\n          arcStack = null;\n\n          ctx.globalCompositeOperation = 'destination-over';\n          ctx.beginPath();\n          ctx.lineWidth = lineWidth;\n          // tslint:disable-next-line:binary-expression-operand-order\n          ctx.arc(radius, radius, bR, 0, 2 * Math.PI, true);\n\n          ctx.beginPath();\n          ctx.save();\n          // tslint:disable-next-line:binary-expression-operand-order\n          ctx.arc(radius, radius, radius - 3 * lineWidth, 0, 2 * Math.PI, true);\n\n          ctx.restore();\n          ctx.clip();\n          ctx.fillStyle = color;\n        }\n      } else {\n        if (data >= 0.85) {\n          if (currRange > range / 4) {\n            const t = range * 0.01;\n            currRange -= t;\n          }\n        } else if (data <= 0.1) {\n          if (currRange < range * 1.5) {\n            const t = range * 0.01;\n            currRange += t;\n          }\n        } else {\n          if (currRange <= range) {\n            const t = range * 0.01;\n            currRange += t;\n          }\n          if (currRange >= range) {\n            const t = range * 0.01;\n            currRange -= t;\n          }\n        }\n        if (data - currData > 0) {\n          currData += waveupsp;\n        }\n        if (data - currData < 0) {\n          currData -= waveupsp;\n        }\n\n        sp += 0.07;\n        drawSin();\n      }\n      self.timer = requestAnimationFrame(render);\n    }\n\n    render();\n  }\n\n  private updateRadio() {\n    const { offsetWidth } = this.el.nativeElement.parentNode;\n    const radio = offsetWidth < this.height ? offsetWidth / this.height : 1;\n    this.renderer.setStyle(this.el.nativeElement, 'transform', `scale(${radio})`);\n  }\n\n  private installResizeEvent() {\n    this.resize$ = fromEvent(window, 'resize')\n      .pipe(debounceTime(200))\n      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