前端初始化

node_modules/zrender/lib/contain/text.d.ts

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+import BoundingRect, { RectLike } from '../core/BoundingRect';
+import { TextAlign, TextVerticalAlign, BuiltinTextPosition } from '../core/types';
+import LRU from '../core/LRU';
+export declare function getWidth(text: string, font: string): number;
+export interface FontMeasureInfo {
+    font: string;
+    strWidthCache: LRU<number>;
+    asciiWidthMap: number[] | null | undefined;
+    asciiWidthMapTried: boolean;
+    stWideCharWidth: number;
+    asciiCharWidth: number;
+}
+export declare function ensureFontMeasureInfo(font: string): FontMeasureInfo;
+export declare function measureCharWidth(fontMeasureInfo: FontMeasureInfo, charCode: number): number;
+export declare function measureWidth(fontMeasureInfo: FontMeasureInfo, text: string): number;
+export declare function innerGetBoundingRect(text: string, font: string, textAlign?: TextAlign, textBaseline?: TextVerticalAlign): BoundingRect;
+export declare function getBoundingRect(text: string, font: string, textAlign?: TextAlign, textBaseline?: TextVerticalAlign): BoundingRect;
+export declare function adjustTextX(x: number, width: number, textAlign: TextAlign, inverse?: boolean): number;
+export declare function adjustTextY(y: number, height: number, verticalAlign: TextVerticalAlign, inverse?: boolean): number;
+export declare function getLineHeight(font?: string): number;
+export declare function measureText(text: string, font?: string): {
+    width: number;
+};
+export declare function parsePercent(value: number | string, maxValue: number): number;
+export interface TextPositionCalculationResult {
+    x: number;
+    y: number;
+    align: TextAlign;
+    verticalAlign: TextVerticalAlign;
+}
+export declare function calculateTextPosition(out: TextPositionCalculationResult, opts: {
+    position?: BuiltinTextPosition | (number | string)[];
+    distance?: number;
+    global?: boolean;
+}, rect: RectLike): TextPositionCalculationResult;