fabric/dist/src/config.mjs

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

import { _defineProperty } from "../_virtual/_@oxc-project_runtime@0.122.0/helpers/defineProperty.mjs";
//#region src/config.ts
var BaseConfiguration = class {
	constructor() {
		_defineProperty(
			this,
			/**
			* Browser-specific constant to adjust CanvasRenderingContext2D.shadowBlur value,
			* which is unitless and not rendered equally across browsers.
			*
			* Values that work quite well (as of October 2017) are:
			* - Chrome: 1.5
			* - Edge: 1.75
			* - Firefox: 0.9
			* - Safari: 0.95
			*
			* @since 2.0.0
			* @type Number
			* @default 1
			*/
			"browserShadowBlurConstant",
			1
		);
		_defineProperty(
			this,
			/**
			* Pixel per Inch as a default value set to 96. Can be changed for more realistic conversion.
			*/
			"DPI",
			96
		);
		_defineProperty(
			this,
			/**
			* Device Pixel Ratio
			* @see https://developer.apple.com/library/safari/documentation/AudioVideo/Conceptual/HTML-canvas-guide/SettingUptheCanvas/SettingUptheCanvas.html
			*/
			"devicePixelRatio",
			typeof window !== "undefined" ? window.devicePixelRatio : 1
		);
		_defineProperty(
			this,
			/**
			* Pixel limit for cache canvases. 1Mpx , 4Mpx should be fine.
			* @since 1.7.14
			* @type Number
			*/
			"perfLimitSizeTotal",
			2097152
		);
		_defineProperty(
			this,
			/**
			* Pixel limit for cache canvases width or height. IE fixes the maximum at 5000
			* @since 1.7.14
			* @type Number
			*/
			"maxCacheSideLimit",
			4096
		);
		_defineProperty(
			this,
			/**
			* Lowest pixel limit for cache canvases, set at 256PX
			* @since 1.7.14
			* @type Number
			*/
			"minCacheSideLimit",
			256
		);
		_defineProperty(
			this,
			/**
			* When 'true', style information is not retained when copy/pasting text, making
			* pasted text use destination style.
			* Defaults to 'false'.
			* @type Boolean
			* @deprecated
			*/
			"disableStyleCopyPaste",
			false
		);
		_defineProperty(
			this,
			/**
			* Enable webgl for filtering picture is available
			* A filtering backend will be initialized, this will both take memory and
			* time since a default 2048x2048 canvas will be created for the gl context
			* @since 2.0.0
			* @type Boolean
			*/
			"enableGLFiltering",
			true
		);
		_defineProperty(
			this,
			/**
			* if webgl is enabled and available, textureSize will determine the size
			* of the canvas backend
			*
			* In order to support old hardware set to `2048` to avoid OOM
			*
			* @since 2.0.0
			* @type Number
			*/
			"textureSize",
			4096
		);
		_defineProperty(
			this,
			/**
			* Skip performance testing of setupGLContext and force the use of putImageData that seems to be the one that works best on
			* Chrome + old hardware. if your users are experiencing empty images after filtering you may try to force this to true
			* this has to be set before instantiating the filtering backend ( before filtering the first image )
			* @type Boolean
			* @default false
			*/
			"forceGLPutImageData",
			false
		);
		_defineProperty(
			this,
			/**
			* If disabled boundsOfCurveCache is not used. For apps that make heavy usage of pencil drawing probably disabling it is better
			* With the standard behaviour of fabric to translate all curves in absolute commands and by not subtracting the starting point from
			* the curve is very hard to hit any cache.
			* Enable only if you know why it could be useful.
			* Candidate for removal/simplification
			* @default false
			*/
			"cachesBoundsOfCurve",
			false
		);
		_defineProperty(
			this,
			/**
			* Map of font files
			* Map<fontFamily, pathToFile> of font files
			*/
			"fontPaths",
			{}
		);
		_defineProperty(
			this,
			/**
			* Defines the number of fraction digits to use when serializing object values.
			* Used in exporting methods (`toObject`, `toJSON`, `toSVG`)
			* You can use it to increase/decrease precision of such values like left, top, scaleX, scaleY, etc.
			*/
			"NUM_FRACTION_DIGITS",
			4
		);
	}
};
var Configuration = class extends BaseConfiguration {
	constructor(config) {
		super();
		this.configure(config);
	}
	configure(config = {}) {
		Object.assign(this, config);
	}
	/**
	* Map<fontFamily, pathToFile> of font files
	*/
	addFonts(paths = {}) {
		this.fontPaths = {
			...this.fontPaths,
			...paths
		};
	}
	removeFonts(fontFamilys = []) {
		fontFamilys.forEach((fontFamily) => {
			delete this.fontPaths[fontFamily];
		});
	}
	clearFonts() {
		this.fontPaths = {};
	}
	restoreDefaults(keys) {
		const defaults = new BaseConfiguration();
		const config = (keys === null || keys === void 0 ? void 0 : keys.reduce((acc, key) => {
			acc[key] = defaults[key];
			return acc;
		}, {})) || defaults;
		this.configure(config);
	}
};
const config = new Configuration();
//#endregion
export { config };

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