56 lines
2.3 KiB
JavaScript
56 lines
2.3 KiB
JavaScript
import {bodyTemperature, HEAD_HEIGHT, LINE_HEIGHT, TOP_KEYS} from './config';
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export default class viewConfig {
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constructor({
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width = 640, // outer width, in pixels
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height = 400, // outer height, in pixels
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marginTop = 20, // top margin, in pixels
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marginRight = 20, // right margin, in pixels
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marginBottom = 50, // bottom margin, in pixels
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marginLeft = 30, // left margin, in pixels
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stroke = 'currentColor', // stroke color of line and dots
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strokeWidth = 2, // stroke width of line and dots
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strokeLinecap = 'round', // stroke line cap of line
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strokeLinejoin = 'round', // stroke line join of line
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renderData,
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} = {}) {
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// 基础配置赋值
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this.width = width;
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this.height = height;
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this.stroke = stroke;
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this.strokeWidth = strokeWidth;
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this.strokeLinecap = strokeLinecap;
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this.renderData = renderData;
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this.strokeLinejoin = strokeLinejoin;
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this.marginRight = marginRight;
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this.marginLeft = marginLeft;
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this.marginBottom = marginBottom;
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this.marginTop = marginTop;
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// 计算属性赋值
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this.contentWidth = width - marginLeft - marginRight;
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this.step = this.contentWidth / 8;
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this.bottomPos = height - HEAD_HEIGHT - marginTop - (marginBottom - 30); // 底部坐标，30是因为默认的30，忘记计算了，后续的按照30的偏移量计算
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this.tableHeight = height - marginBottom - HEAD_HEIGHT;
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const { micoStep, verticalHeight } = this.utilsGetMicoPos(this.step, this.bottomPos);
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this.micoStep = micoStep;
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this.verticalHeight = verticalHeight;
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this.X_OFFSET = micoStep / 2; // 为了让图标在小格子居中展示，需要进行一个偏移
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this.xRange = [this.step, width - marginLeft - marginRight]; // [60, 860]
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this.topPos = marginTop + HEAD_HEIGHT;
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this.topKeysPos = LINE_HEIGHT * (TOP_KEYS.length + 1); // 1 是时间那一行
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this.bottomKeysPosStart = this.topKeysPos + verticalHeight + 20;
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this.yRange = [this.bottomKeysPosStart - 20, this.topKeysPos];
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}
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// 获取折线区域的高度
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utilsGetMicoPos(step, botpos) {
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const micoStep = (step * 7) / 42; // 折线小格子的宽度
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const verticalLength = bodyTemperature[1] - bodyTemperature[0]; // 根据体温来计算格子
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const verticalHeight = micoStep * 5 * verticalLength;
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return {
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micoStep,
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verticalHeight,
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};
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}
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}
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