fabric
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Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.
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{"version":3,"file":"Circle.min.mjs","sources":["../../../src/shapes/Circle.ts"],"sourcesContent":["import type { ObjectEvents } from '../EventTypeDefs';\nimport { SHARED_ATTRIBUTES } from '../parser/attributes';\nimport { parseAttributes } from '../parser/parseAttributes';\nimport { cos } from '../util/misc/cos';\nimport { degreesToRadians } from '../util/misc/radiansDegreesConversion';\nimport { sin } from '../util/misc/sin';\nimport { classRegistry } from '../ClassRegistry';\nimport { FabricObject, cacheProperties } from './Object/FabricObject';\nimport type { Abortable, TClassProperties, TOptions } from '../typedefs';\nimport type { FabricObjectProps, SerializedObjectProps } from './Object/types';\nimport type { CSSRules } from '../parser/typedefs';\nimport { SCALE_X, SCALE_Y } from '../constants';\n\ninterface UniqueCircleProps {\n /**\n * Radius of this circle\n * @type Number\n * @default 0\n */\n radius: number;\n\n /**\n * Angle for the start of the circle, in degrees.\n * @type TDegree 0 - 359\n * @default 0\n */\n startAngle: number;\n\n /**\n * Angle for the end of the circle, in degrees\n * @type TDegree 1 - 360\n * @default 360\n */\n endAngle: number;\n\n /**\n * Orientation for the direction of the circle.\n * Setting to true will switch the arc of the circle to traverse from startAngle to endAngle in a counter-clockwise direction.\n * Note: this will only change how the circle is drawn, and does not affect rotational transformation.\n * @default false\n */\n counterClockwise: boolean;\n}\n\nexport interface SerializedCircleProps\n extends SerializedObjectProps,\n UniqueCircleProps {}\n\nexport interface CircleProps extends FabricObjectProps, UniqueCircleProps {}\n\nconst CIRCLE_PROPS = [\n 'radius',\n 'startAngle',\n 'endAngle',\n 'counterClockwise',\n] as const;\n\nexport const circleDefaultValues: Partial<TClassProperties<Circle>> = {\n radius: 0,\n startAngle: 0,\n endAngle: 360,\n counterClockwise: false,\n};\n\nexport class Circle<\n Props extends TOptions<CircleProps> = Partial<CircleProps>,\n SProps extends SerializedCircleProps = SerializedCircleProps,\n EventSpec extends ObjectEvents = ObjectEvents,\n >\n extends FabricObject<Props, SProps, EventSpec>\n implements UniqueCircleProps\n{\n declare radius: number;\n declare startAngle: number;\n declare endAngle: number;\n declare counterClockwise: boolean;\n\n static type = 'Circle';\n\n static cacheProperties = [...cacheProperties, ...CIRCLE_PROPS];\n\n static ownDefaults = circleDefaultValues;\n\n static getDefaults(): Record<string, any> {\n return {\n ...super.getDefaults(),\n ...Circle.ownDefaults,\n };\n }\n\n /**\n * Constructor\n * @param {Object} [options] Options object\n */\n constructor(options?: Props) {\n super();\n Object.assign(this, Circle.ownDefaults);\n this.setOptions(options);\n }\n\n /**\n * @private\n * @param {String} key\n * @param {*} value\n */\n _set(key: string, value: any) {\n super._set(key, value);\n\n if (key === 'radius') {\n this.setRadius(value);\n }\n\n return this;\n }\n\n /**\n * @private\n * @param {CanvasRenderingContext2D} ctx context to render on\n */\n _render(ctx: CanvasRenderingContext2D) {\n ctx.beginPath();\n ctx.arc(\n 0,\n 0,\n this.radius,\n degreesToRadians(this.startAngle),\n degreesToRadians(this.endAngle),\n this.counterClockwise,\n );\n this._renderPaintInOrder(ctx);\n }\n\n /**\n * Returns horizontal radius of an object (according to how an object is scaled)\n * @return {Number}\n */\n getRadiusX(): number {\n return this.get('radius') * this.get(SCALE_X);\n }\n\n /**\n * Returns vertical radius of an object (according to how an object is scaled)\n * @return {Number}\n */\n getRadiusY(): number {\n return this.get('radius') * this.get(SCALE_Y);\n }\n\n /**\n * Sets radius of an object (and updates width accordingly)\n */\n setRadius(value: number) {\n this.radius = value;\n this.set({ width: value * 2, height: value * 2 });\n }\n\n /**\n * Returns object representation of an instance\n * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n * @return {Object} object representation of an instance\n */\n toObject<\n T extends Omit<Props & TClassProperties<this>, keyof SProps>,\n K extends keyof T = never,\n >(propertiesToInclude: K[] = []): Pick<T, K> & SProps {\n return super.toObject([...CIRCLE_PROPS, ...propertiesToInclude]);\n }\n\n /* _TO_SVG_START_ */\n\n /**\n * Returns svg representation of an instance\n * @return {Array} an array of strings with the specific svg representation\n * of the instance\n */\n _toSVG(): string[] {\n const angle = (this.endAngle - this.startAngle) % 360;\n\n if (angle === 0) {\n return [\n '<circle ',\n 'COMMON_PARTS',\n 'cx=\"0\" cy=\"0\" ',\n 'r=\"',\n `${this.radius}`,\n '\" />\\n',\n ];\n } else {\n const { radius } = this;\n const start = degreesToRadians(this.startAngle),\n end = degreesToRadians(this.endAngle),\n startX = cos(start) * radius,\n startY = sin(start) * radius,\n endX = cos(end) * radius,\n endY = sin(end) * radius,\n largeFlag = angle > 180 ? 1 : 0,\n sweepFlag = this.counterClockwise ? 0 : 1;\n return [\n `<path d=\"M ${startX} ${startY} A ${radius} ${radius} 0 ${largeFlag} ${sweepFlag} ${endX} ${endY}\" `,\n 'COMMON_PARTS',\n ' />\\n',\n ];\n }\n }\n /* _TO_SVG_END_ */\n\n /* _FROM_SVG_START_ */\n /**\n * List of attribute names to account for when parsing SVG element (used by {@link Circle.fromElement})\n * @static\n * @memberOf Circle\n * @see: http://www.w3.org/TR/SVG/shapes.html#CircleElement\n */\n static ATTRIBUTE_NAMES = ['cx', 'cy', 'r', ...SHARED_ATTRIBUTES];\n\n /**\n * Returns {@link Circle} instance from an SVG element\n * @static\n * @memberOf Circle\n * @param {HTMLElement} element Element to parse\n * @param {Object} [options] Partial Circle object to default missing properties on the element.\n * @throws {Error} If value of `r` attribute is missing or invalid\n */\n static async fromElement(\n element: HTMLElement,\n options: Abortable,\n cssRules?: CSSRules,\n ): Promise<Circle> {\n const {\n left = 0,\n top = 0,\n radius = 0,\n ...otherParsedAttributes\n } = parseAttributes(\n element,\n this.ATTRIBUTE_NAMES,\n cssRules,\n ) as Partial<CircleProps>;\n\n // this probably requires to be fixed for default origins not being top/left.\n\n return new this({\n ...otherParsedAttributes,\n radius,\n left: left - radius,\n top: top - radius,\n });\n }\n\n /* _FROM_SVG_END_ */\n\n /**\n * @todo how do we declare this??\n */\n static fromObject<T extends TOptions<SerializedCircleProps>>(object: T) {\n return super._fromObject<Circle>(object);\n }\n}\n\nclassRegistry.setClass(Circle);\nclassRegistry.setSVGClass(Circle);\n"],"names":["CIRCLE_PROPS","circleDefaultValues","radius","startAngle","endAngle","counterClockwise","Circle","FabricObject","getDefaults","_objectSpread","super","ownDefaults","constructor","options","Object","assign","this","setOptions","_set","key","value","setRadius","_render","ctx","beginPath","arc","degreesToRadians","_renderPaintInOrder","getRadiusX","get","SCALE_X","getRadiusY","SCALE_Y","set","width","height","toObject","propertiesToInclude","arguments","length","undefined","_toSVG","angle","concat","start","end","startX","cos","startY","sin","endX","endY","largeFlag","sweepFlag","fromElement","element","cssRules","_ref","parseAttributes","ATTRIBUTE_NAMES","left","top","otherParsedAttributes","_objectWithoutProperties","_excluded","fromObject","object","_fromObject","_defineProperty","cacheProperties","SHARED_ATTRIBUTES","classRegistry","setClass","setSVGClass"],"mappings":"ysBAkDMA,EAAe,CACnB,SACA,aACA,WACA,oBAGWC,EAAyD,CACpEC,OAAQ,EACRC,WAAY,EACZC,SAAU,IACVC,kBAAkB,GAGb,MAAMC,UAKHC,EAcR,kBAAOC,GACL,OAAAC,EAAAA,EAAA,GACKC,MAAMF,eACNF,EAAOK,YAEd,CAMAC,WAAAA,CAAYC,GACVH,QACAI,OAAOC,OAAOC,KAAMV,EAAOK,aAC3BK,KAAKC,WAAWJ,EAClB,CAOAK,IAAAA,CAAKC,EAAaC,GAOhB,OANAV,MAAMQ,KAAKC,EAAKC,GAEJ,WAARD,GACFH,KAAKK,UAAUD,GAGVJ,IACT,CAMAM,OAAAA,CAAQC,GACNA,EAAIC,YACJD,EAAIE,IACF,EACA,EACAT,KAAKd,OACLwB,EAAiBV,KAAKb,YACtBuB,EAAiBV,KAAKZ,UACtBY,KAAKX,kBAEPW,KAAKW,oBAAoBJ,EAC3B,CAMAK,UAAAA,GACE,OAAOZ,KAAKa,IAAI,UAAYb,KAAKa,IAAIC,EACvC,CAMAC,UAAAA,GACE,OAAOf,KAAKa,IAAI,UAAYb,KAAKa,IAAIG,EACvC,CAKAX,SAAAA,CAAUD,GACRJ,KAAKd,OAASkB,EACdJ,KAAKiB,IAAI,CAAEC,MAAe,EAARd,EAAWe,OAAgB,EAARf,GACvC,CAOAgB,QAAAA,GAGsD,IAApDC,EAAwBC,UAAAC,OAAA,QAAAC,IAAAF,UAAA,GAAAA,UAAA,GAAG,GAC3B,OAAO5B,MAAM0B,SAAS,IAAIpC,KAAiBqC,GAC7C,CASAI,MAAAA,GACE,MAAMC,GAAS1B,KAAKZ,SAAWY,KAAKb,YAAc,IAElD,GAAc,IAAVuC,EACF,MAAO,CACL,WACA,eACA,iBACA,MAAKC,GAAAA,OACF3B,KAAKd,QACR,UAEG,CACL,MAAMA,OAAEA,GAAWc,KACb4B,EAAQlB,EAAiBV,KAAKb,YAClC0C,EAAMnB,EAAiBV,KAAKZ,UAC5B0C,EAASC,EAAIH,GAAS1C,EACtB8C,EAASC,EAAIL,GAAS1C,EACtBgD,EAAOH,EAAIF,GAAO3C,EAClBiD,EAAOF,EAAIJ,GAAO3C,EAClBkD,EAAYV,EAAQ,IAAM,EAAI,EAC9BW,EAAYrC,KAAKX,iBAAmB,EAAI,EAC1C,MAAO,eAAAsC,OACSG,EAAM,KAAAH,OAAIK,EAAML,OAAAA,OAAMzC,EAAM,KAAAyC,OAAIzC,EAAMyC,OAAAA,OAAMS,OAAST,OAAIU,EAAS,KAAAV,OAAIO,EAAIP,KAAAA,OAAIQ,EAAI,MAChG,eACA,QAEJ,CACF,CAoBA,wBAAaG,CACXC,EACA1C,EACA2C,GAEA,MAAAC,EAKIC,EACFH,EACAvC,KAAK2C,gBACLH,IARII,KACJA,EAAO,EAACC,IACRA,EAAM,EAAC3D,OACPA,EAAS,GAEVuD,EADIK,EAAqBC,EAAAN,EAAAO,GAS1B,OAAO,IAAIhD,KAAIP,EAAAA,KACVqD,GAAqB,GAAA,CACxB5D,SACA0D,KAAMA,EAAO1D,EACb2D,IAAKA,EAAM3D,IAEf,CAOA,iBAAO+D,CAAsDC,GAC3D,OAAOxD,MAAMyD,YAAoBD,EACnC,EACDE,EAjMY9D,EAAM,OAaH,UAAQ8D,EAbX9D,EAec,kBAAA,IAAI+D,KAAoBrE,IAAaoE,EAfnD9D,EAAM,cAiBIL,GAAmBmE,EAjB7B9D,EAqJc,kBAAA,CAAC,KAAM,KAAM,OAAQgE,IA8ChDC,EAAcC,SAASlE,GACvBiE,EAAcE,YAAYnE"}