5dbcebf7a2
- Fix router import path in main.js - Handle Django REST Framework pagination format in API calls - Add getTemplates function to project API - Restart frontend development server
64 lines
2.6 KiB
JavaScript
64 lines
2.6 KiB
JavaScript
import { _defineProperty } from "../_virtual/_@oxc-project_runtime@0.126.0/helpers/defineProperty.mjs";
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import { config } from "./config.mjs";
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//#region src/cache.ts
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var Cache = class {
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constructor() {
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_defineProperty(
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this,
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/**
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* This object keeps the results of the boundsOfCurve calculation mapped by the joined arguments necessary to calculate it.
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* It does speed up calculation, if you parse and add always the same paths, but in case of heavy usage of freedrawing
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* you do not get any speed benefit and you get a big object in memory.
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* The object was a private variable before, while now is appended to the lib so that you have access to it and you
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* can eventually clear it.
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* It was an internal variable, is accessible since version 2.3.4
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*/
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"boundsOfCurveCache",
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{}
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);
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this.charWidthsCache = /* @__PURE__ */ new Map();
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}
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/**
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* @return {Object} reference to cache
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*/
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getFontCache({ fontFamily, fontStyle, fontWeight }) {
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fontFamily = fontFamily.toLowerCase();
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const cache = this.charWidthsCache;
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if (!cache.has(fontFamily)) cache.set(fontFamily, /* @__PURE__ */ new Map());
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const fontCache = cache.get(fontFamily);
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const cacheKey = `${fontStyle.toLowerCase()}_${(fontWeight + "").toLowerCase()}`;
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if (!fontCache.has(cacheKey)) fontCache.set(cacheKey, /* @__PURE__ */ new Map());
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return fontCache.get(cacheKey);
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}
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/**
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* Clear char widths cache for the given font family or all the cache if no
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* fontFamily is specified.
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* Use it if you know you are loading fonts in a lazy way and you are not waiting
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* for custom fonts to load properly when adding text objects to the canvas.
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* If a text object is added when its own font is not loaded yet, you will get wrong
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* measurement and so wrong bounding boxes.
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* After the font cache is cleared, either change the textObject text content or call
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* initDimensions() to trigger a recalculation
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* @param {String} [fontFamily] font family to clear
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*/
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clearFontCache(fontFamily) {
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if (!fontFamily) this.charWidthsCache = /* @__PURE__ */ new Map();
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else this.charWidthsCache.delete((fontFamily || "").toLowerCase());
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}
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/**
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* Given current aspect ratio, determines the max width and height that can
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* respect the total allowed area for the cache.
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* @param {number} ar aspect ratio
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* @return {number[]} Limited dimensions X and Y
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*/
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limitDimsByArea(ar) {
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const { perfLimitSizeTotal } = config;
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const roughWidth = Math.sqrt(perfLimitSizeTotal * ar);
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return [Math.floor(roughWidth), Math.floor(perfLimitSizeTotal / roughWidth)];
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}
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};
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const cache = new Cache();
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//#endregion
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export { cache };
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//# sourceMappingURL=cache.mjs.map
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