leafer-draw/dist/web.min.cjs.map

**leafer-draw** 是 [leafer-ui](https://github.com/leaferjs/leafer-ui) 的轻量版，体积小巧，移除了交互功能，仅提供绘制元素的功能，适用于绘制海报、插图、图表、动画等场景，或作为框架的底层绘制库。

{"version":3,"file":"web.min.cjs","sources":["../../../../src/leafer/packages/interface/src/path/IPathCommand.ts","../../../node_modules/.pnpm/@rollup+plugin-typescript@11.1.6_rollup@4.44.2_tslib@2.8.1_typescript@5.8.3/node_modules/tslib/tslib.es6.js","../../../../src/leafer/packages/canvas/canvas-web/src/LeaferCanvas.ts","../../../../src/leafer/packages/core/web-core/src/index.ts","../../../../src/leafer/packages/canvas/canvas-web/src/index.ts","../../../../src/leafer/packages/partner/watcher/src/Watcher.ts","../../../../src/leafer/packages/partner/layouter/src/LayouterHelper.ts","../../../../src/leafer/packages/partner/layouter/src/LayoutBlockData.ts","../../../../src/leafer/packages/partner/layouter/src/Layouter.ts","../../../../src/leafer/packages/partner/renderer/src/Renderer.ts","../../../../src/ui/packages/partner/paint/src/Fill.ts","../../../../src/ui/packages/partner/paint/src/Stroke.ts","../../../../src/ui/packages/partner/paint/src/StrokeText.ts","../../../../src/draw/packages/partner/src/index.ts","../../../../src/ui/packages/partner/paint/src/Shape.ts","../../../../src/ui/packages/partner/paint/src/Compute.ts","../../../../src/ui/packages/partner/paint/src/index.ts","../../../../src/ui/packages/partner/paint/src/FillText.ts","../../../../src/ui/packages/partner/image/src/image.ts","../../../../src/ui/packages/partner/image/src/data.ts","../../../../src/ui/packages/partner/image/src/mode.ts","../../../../src/ui/packages/partner/image/src/pattern.ts","../../../../src/ui/packages/partner/image/src/index.ts","../../../../src/ui/packages/partner/image/src/check.ts","../../../../src/ui/packages/partner/image/src/recycle.ts","../../../../src/ui/packages/partner/gradient/src/linear.ts","../../../../src/ui/packages/partner/gradient/src/radial.ts","../../../../src/ui/packages/partner/gradient/src/conic.ts","../../../../src/ui/packages/partner/gradient/src/index.ts","../../../../src/ui/packages/partner/effect/src/Shadow.ts","../../../../src/ui/packages/partner/effect/src/InnerShadow.ts","../../../../src/ui/packages/partner/effect/src/index.ts","../../../../src/ui/packages/partner/effect/src/Blur.ts","../../../../src/ui/packages/partner/effect/src/BackgroundBlur.ts","../../../../src/ui/packages/partner/mask/src/index.ts","../../../../src/ui/packages/partner/text/src/CharType.ts","../../../../src/ui/packages/partner/text/src/TextRowHelper.ts","../../../../src/ui/packages/partner/text/src/TextCase.ts","../../../../src/ui/packages/partner/text/src/TextRows.ts","../../../../src/ui/packages/partner/text/src/TextConvert.ts","../../../../src/ui/packages/partner/text/src/index.ts","../../../../src/ui/packages/partner/text/src/TextLayout.ts","../../../../src/ui/packages/partner/text/src/CharLayout.ts","../../../../src/ui/packages/partner/text/src/TextClip.ts","../../../../src/ui/packages/partner/text/src/TextDecoration.ts","../../../../src/ui/packages/partner/color/src/index.ts","../../../../src/ui/packages/partner/color/src/color.ts","../../../../src/ui/packages/partner/partner/src/index.ts","../../../../src/draw/packages/platform/web/src/index.ts"],"sourcesContent":["import { IPointData } from '../math/IMath'\nimport { IWindingRule } from '../canvas/ICanvas'\n\ntype Command = number\ntype x = number\ntype y = number\ntype x1 = number\ntype y1 = number\ntype x2 = number\ntype y2 = number\ntype radiusX = number\ntype radiusY = number\ntype xAxisRotation = number\ntype largeArcFlag = number\ntype sweepFlag = number\n\n\nexport type MCommandData = [Command, x, y]\nexport type HCommandData = [Command, x]\nexport type VCommandData = [Command, y]\nexport type LCommandData = MCommandData\n\nexport type CCommandData = [Command, x1, y1, x2, y2, x, y]\nexport type SCommandData = [Command, x2, y2, x, y]\n\nexport type QCommandData = [Command, x1, y1, x, y]\nexport type TCommandData = [Command, x, y]\n\nexport type ZCommandData = [Command]\n\nexport type ACommandData = [Command, radiusX, radiusY, xAxisRotation, largeArcFlag, sweepFlag, x, y]\n\n\n// 非svg标准的canvas绘图命令\ntype width = number\ntype height = number\ntype rotation = number\ntype startAngle = number\ntype endAngle = number\ntype anticlockwise = boolean\ntype cornerRadius = number | number[]\ntype radius = number\n\nexport type RectCommandData = [Command, x, y, width, height]\nexport type RoundRectCommandData = [Command, x, y, width, height, cornerRadius]\nexport type EllipseCommandData = [Command, x, y, radiusX, radiusY, rotation, startAngle, endAngle, anticlockwise]\nexport type ArcCommandData = [Command, x, y, radius, startAngle, endAngle, anticlockwise]\nexport type ArcToCommandData = [Command, x1, y1, x2, y2, radius]\n\n\nexport type CanvasPathCommand = 1 | 2 | 5 | 7 | 11 // M | L | C | Q | Z   canvas可以绘制的命令\n\nexport type IPathCommandData = number[] // ...(MCommandData | LCommandData | CCommandData | QCommandData | ZCommandData)\n\nexport interface IPathCommandDataWithRadius {\n    data: IPathCommandData\n    radius: number[]\n}\n\nexport interface IPathCommandDataWithWindingRule {\n    data: IPathCommandData\n    windingRule?: IWindingRule\n}\n\n// 路径命令对象\nexport interface MoveToCommandObject {\n    name: 'M'\n    x: number\n    y: number\n}\nexport interface LineToCommandObject {\n    name: 'L'\n    x: number\n    y: number\n}\n\nexport interface BezierCurveToCommandObject {\n    name: 'C'\n    x1: number\n    y1: number\n    x2: number\n    y2: number\n    x: number\n    y: number\n}\n\nexport interface QuadraticCurveToCommandObject {\n    name: 'Q'\n    x1: number\n    y1: number\n    x: number\n    y: number\n}\n\nexport interface ClosePathCommandObject {\n    name: 'Z'\n}\n\nexport type IPathCommandObject = MoveToCommandObject | LineToCommandObject | BezierCurveToCommandObject | QuadraticCurveToCommandObject | ClosePathCommandObject // M | L | C | Q | Z   canvas可以绘制的命令\n\n\n// 可视化路径节点\n\nexport interface IPathCommandNodeBase {\n    name: 'M^' | 'L^' | 'C^' | 'Z^'\n    x: number\n    y: number\n    r?: number // 圆角半径\n    a?: IPointData // 第一个手柄，连接上一个节点\n    b?: IPointData // 第二个手柄，连接下一个节点\n    ab?: PathNodeHandleType // 手柄类型\n}\n\nexport interface MoveToCommandNode extends IPathCommandNodeBase {\n    name: 'M^'\n}\nexport interface LineToCommandNode extends IPathCommandNodeBase {\n    name: 'L^'\n}\n\nexport interface BezierCurveToCommandNode extends IPathCommandNodeBase {\n    name: 'C^'\n}\n\nexport interface ClosePathCommandNode {\n    name: 'Z^'\n    x?: number\n    y?: number\n    r?: number // 圆角半径\n    a?: IPointData\n    b?: IPointData\n    ab?: PathNodeHandleType\n}\n\nexport type IPathCommandNode = MoveToCommandNode | LineToCommandNode | BezierCurveToCommandNode | ClosePathCommandNode // M | L | C | Z   路径节点命令(适合可视化编辑)\n\nexport enum PathNodeHandleType { // 手柄类型\n    none = 1, // 无手柄\n    free = 2, // 每个手柄自由控制\n    mirrorAngle = 3, // 仅镜像角度\n    mirror = 4,  // 镜像角度和长度\n}\n\nexport type PathNodeHandleName = 'a' | 'b' // 手柄名称\n\nexport interface IPathNodeBase {\n    pathNode: IPathCommandNode\n}","/******************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise, SuppressedError, Symbol, Iterator */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    if (typeof b !== \"function\" && b !== null)\r\n        throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? 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(this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n    if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n    var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n    return i = Object.create((typeof AsyncIterator === \"function\" ? AsyncIterator : Object).prototype), verb(\"next\"), verb(\"throw\"), verb(\"return\", awaitReturn), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n    function awaitReturn(f) { return function (v) { return Promise.resolve(v).then(f, reject); }; }\r\n    function verb(n, f) { if (g[n]) { i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; if (f) i[n] = f(i[n]); } }\r\n    function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n    function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n    function fulfill(value) { resume(\"next\", value); }\r\n    function reject(value) { resume(\"throw\", value); }\r\n    function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n    var i, p;\r\n    return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n    function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: false } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n    if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n    var m = o[Symbol.asyncIterator], i;\r\n    return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n    if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n    return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n    Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n    o[\"default\"] = v;\r\n};\r\n\r\nvar ownKeys = function(o) {\r\n    ownKeys = Object.getOwnPropertyNames || function (o) {\r\n        var ar = [];\r\n        for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;\r\n        return ar;\r\n    };\r\n    return ownKeys(o);\r\n};\r\n\r\nexport function __importStar(mod) {\r\n    if (mod && mod.__esModule) return mod;\r\n    var result = {};\r\n    if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== \"default\") __createBinding(result, mod, k[i]);\r\n    __setModuleDefault(result, mod);\r\n    return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n    return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n    if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n    if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n    return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n    if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n    if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n    if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n    return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\n\r\nexport function __classPrivateFieldIn(state, receiver) {\r\n    if (receiver === null || (typeof receiver !== \"object\" && typeof receiver !== \"function\")) throw new TypeError(\"Cannot use 'in' operator on non-object\");\r\n    return typeof state === \"function\" ? receiver === state : state.has(receiver);\r\n}\r\n\r\nexport function __addDisposableResource(env, value, async) {\r\n    if (value !== null && value !== void 0) {\r\n        if (typeof value !== \"object\" && typeof value !== \"function\") throw new TypeError(\"Object expected.\");\r\n        var dispose, inner;\r\n        if (async) {\r\n            if (!Symbol.asyncDispose) throw new TypeError(\"Symbol.asyncDispose is not defined.\");\r\n            dispose = value[Symbol.asyncDispose];\r\n        }\r\n        if (dispose === void 0) {\r\n            if (!Symbol.dispose) throw new TypeError(\"Symbol.dispose is not defined.\");\r\n            dispose = value[Symbol.dispose];\r\n            if (async) inner = dispose;\r\n        }\r\n        if (typeof dispose !== \"function\") throw new TypeError(\"Object not disposable.\");\r\n        if (inner) dispose = function() { try { inner.call(this); } catch (e) { return Promise.reject(e); } };\r\n        env.stack.push({ value: value, dispose: dispose, async: async });\r\n    }\r\n    else if (async) {\r\n        env.stack.push({ async: true });\r\n    }\r\n    return value;\r\n\r\n}\r\n\r\nvar _SuppressedError = typeof SuppressedError === \"function\" ? SuppressedError : function (error, suppressed, message) {\r\n    var e = new Error(message);\r\n    return e.name = \"SuppressedError\", e.error = error, e.suppressed = suppressed, e;\r\n};\r\n\r\nexport function __disposeResources(env) {\r\n    function fail(e) {\r\n        env.error = env.hasError ? new _SuppressedError(e, env.error, \"An error was suppressed during disposal.\") : e;\r\n        env.hasError = true;\r\n    }\r\n    var r, s = 0;\r\n    function next() {\r\n        while (r = env.stack.pop()) {\r\n            try {\r\n                if (!r.async && s === 1) return s = 0, env.stack.push(r), Promise.resolve().then(next);\r\n                if (r.dispose) {\r\n                    var result = r.dispose.call(r.value);\r\n                    if (r.async) return s |= 2, Promise.resolve(result).then(next, function(e) { fail(e); return next(); });\r\n                }\r\n                else s |= 1;\r\n            }\r\n            catch (e) {\r\n                fail(e);\r\n            }\r\n        }\r\n        if (s === 1) return env.hasError ? Promise.reject(env.error) : Promise.resolve();\r\n        if (env.hasError) throw env.error;\r\n    }\r\n    return next();\r\n}\r\n\r\nexport function __rewriteRelativeImportExtension(path, preserveJsx) {\r\n    if (typeof path === \"string\" && /^\\.\\.?\\//.test(path)) {\r\n        return path.replace(/\\.(tsx)$|((?:\\.d)?)((?:\\.[^./]+?)?)\\.([cm]?)ts$/i, function (m, tsx, d, ext, cm) {\r\n            return tsx ? preserveJsx ? \".jsx\" : \".js\" : d && (!ext || !cm) ? m : (d + ext + \".\" + cm.toLowerCase() + \"js\");\r\n        });\r\n    }\r\n    return path;\r\n}\r\n\r\nexport default {\r\n    __extends: __extends,\r\n    __assign: __assign,\r\n    __rest: __rest,\r\n    __decorate: __decorate,\r\n    __param: __param,\r\n    __esDecorate: __esDecorate,\r\n    __runInitializers: __runInitializers,\r\n    __propKey: __propKey,\r\n    __setFunctionName: __setFunctionName,\r\n    __metadata: __metadata,\r\n    __awaiter: __awaiter,\r\n    __generator: __generator,\r\n    __createBinding: __createBinding,\r\n    __exportStar: __exportStar,\r\n    __values: __values,\r\n    __read: __read,\r\n    __spread: __spread,\r\n    __spreadArrays: __spreadArrays,\r\n    __spreadArray: __spreadArray,\r\n    __await: __await,\r\n    __asyncGenerator: __asyncGenerator,\r\n    __asyncDelegator: __asyncDelegator,\r\n    __asyncValues: __asyncValues,\r\n    __makeTemplateObject: __makeTemplateObject,\r\n    __importStar: __importStar,\r\n    __importDefault: __importDefault,\r\n    __classPrivateFieldGet: __classPrivateFieldGet,\r\n    __classPrivateFieldSet: __classPrivateFieldSet,\r\n    __classPrivateFieldIn: __classPrivateFieldIn,\r\n    __addDisposableResource: __addDisposableResource,\r\n    __disposeResources: __disposeResources,\r\n    __rewriteRelativeImportExtension: __rewriteRelativeImportExtension,\r\n};\r\n","import { IAutoBounds, ISizeData, IScreenSizeData, IResizeEventListener, IFunction } from '@leafer/interface'\nimport { LeaferCanvasBase, canvasSizeAttrs, ResizeEvent, DataHelper, Platform, Debug, isString, isUndefined } from '@leafer/core'\n\n\nconst debug = Debug.get('LeaferCanvas')\n\nexport class LeaferCanvas extends LeaferCanvasBase {\n\n    declare public view: HTMLCanvasElement\n    declare public parentView: HTMLElement\n\n    public set zIndex(zIndex: number) {\n        const { style } = this.view\n        style.zIndex = zIndex as unknown as string\n        this.setAbsolute(this.view)\n    }\n\n    public set childIndex(index: number) {\n        const { view, parentView } = this\n        if (view && parentView) {\n            const beforeNode = parentView.children[index]\n            if (beforeNode) {\n                this.setAbsolute(beforeNode as HTMLCanvasElement)\n                parentView.insertBefore(view, beforeNode)\n            } else {\n                parentView.appendChild(beforeNode)\n            }\n        }\n    }\n\n    protected resizeObserver: ResizeObserver\n    protected autoBounds: IAutoBounds\n    protected resizeListener: IResizeEventListener\n    protected windowListener: IFunction\n\n    public init(): void {\n        const { config } = this\n        const view = config.view || config.canvas\n\n        view ? this.__createViewFrom(view) : this.__createView()\n        const { style } = this.view\n        style.display || (style.display = 'block')\n        this.parentView = this.view.parentElement\n\n        if (this.parentView) {\n            const pStyle = this.parentView.style\n            pStyle.webkitUserSelect = pStyle.userSelect = 'none' // fix safari: use webkitUserSelect\n            this.view.classList.add('leafer-canvas-view')\n        }\n\n        if (Platform.syncDomFont && !this.parentView) { // fix: firefox default font\n            style.display = 'none'\n            if (document.body) document.body.appendChild(this.view)\n        }\n\n        this.__createContext()\n\n        if (!this.autoLayout) this.resize(config as IScreenSizeData)\n    }\n\n    public set backgroundColor(color: string) { this.view.style.backgroundColor = color }\n    public get backgroundColor(): string { return this.view.style.backgroundColor }\n\n    public set hittable(hittable: boolean) { this.view.style.pointerEvents = hittable ? 'auto' : 'none' }\n    public get hittable() { return this.view.style.pointerEvents !== 'none' }\n\n    protected __createView(): void {\n        this.view = document.createElement('canvas')\n    }\n\n    protected __createViewFrom(inputView: string | object): void {\n        let find: unknown = isString(inputView) ? document.getElementById(inputView) : inputView as HTMLElement\n        if (find) {\n            if (find instanceof HTMLCanvasElement) {\n\n                this.view = find\n\n            } else {\n\n                let parent = find as HTMLDivElement\n                if (find === window || find === document) {\n                    const div = document.createElement('div')\n                    const { style } = div\n                    style.position = 'absolute'\n                    style.top = style.bottom = style.left = style.right = '0px'\n                    document.body.appendChild(div)\n                    parent = div\n                }\n\n                this.__createView()\n                const view = this.view\n\n                if (parent.hasChildNodes()) {\n                    this.setAbsolute(view)\n                    parent.style.position || (parent.style.position = 'relative')\n                }\n\n                parent.appendChild(view)\n            }\n        } else {\n            debug.error(`no id: ${inputView}`)\n            this.__createView()\n        }\n    }\n\n    protected setAbsolute(view: HTMLCanvasElement): void {\n        const { style } = view\n        style.position = 'absolute'\n        style.top = style.left = '0px'\n    }\n\n    public updateViewSize(): void {\n        const { width, height, pixelRatio } = this\n        const { style } = this.view\n\n        style.width = width + 'px'\n        style.height = height + 'px'\n\n        if (!this.unreal) {\n            this.view.width = Math.ceil(width * pixelRatio)\n            this.view.height = Math.ceil(height * pixelRatio)\n        }\n    }\n\n\n    public updateClientBounds(): void {\n        if (this.view.parentElement) this.clientBounds = this.view.getBoundingClientRect()\n    }\n\n    public startAutoLayout(autoBounds: IAutoBounds, listener: IResizeEventListener): void {\n        this.resizeListener = listener\n\n        if (autoBounds) {  // check auto layout\n\n            this.autoBounds = autoBounds\n\n            if (this.resizeObserver) return\n\n            try {\n\n                this.resizeObserver = new ResizeObserver((entries) => {\n                    this.updateClientBounds()\n                    for (const entry of entries) this.checkAutoBounds(entry.contentRect)\n                })\n\n                const parent = this.parentView\n                if (parent) {\n                    this.resizeObserver.observe(parent)\n                    this.checkAutoBounds(parent.getBoundingClientRect())\n                } else {\n                    this.checkAutoBounds(this.view)\n                    debug.warn('no parent')\n                }\n\n            } catch {\n\n                this.imitateResizeObserver()\n\n            }\n\n            this.stopListenPixelRatio()\n\n        } else {\n\n            this.listenPixelRatio()\n            if (this.unreal) this.updateViewSize() // must update\n\n        }\n\n    }\n\n    protected imitateResizeObserver(): void {\n        if (this.autoLayout) {\n            if (this.parentView) this.checkAutoBounds(this.parentView.getBoundingClientRect())\n            Platform.requestRender(this.imitateResizeObserver.bind(this))\n        }\n    }\n\n    // check devicePixelRatio change\n\n    protected listenPixelRatio() {\n        if (!this.windowListener) window.addEventListener('resize', this.windowListener = () => {\n            const pixelRatio = Platform.devicePixelRatio\n            if (!this.config.pixelRatio && this.pixelRatio !== pixelRatio) {\n                const { width, height } = this\n                this.emitResize({ width, height, pixelRatio })\n            }\n        })\n    }\n\n    protected stopListenPixelRatio() {\n        if (this.windowListener) {\n            window.removeEventListener('resize', this.windowListener)\n            this.windowListener = null\n        }\n    }\n\n    protected checkAutoBounds(parentSize: ISizeData): void {\n        const view = this.view\n        const { x, y, width, height } = this.autoBounds.getBoundsFrom(parentSize)\n        const size = { width, height, pixelRatio: this.config.pixelRatio ? this.pixelRatio : Platform.devicePixelRatio } as IScreenSizeData\n        if (!this.isSameSize(size)) {\n            const { style } = view\n            style.marginLeft = x + 'px'\n            style.marginTop = y + 'px'\n            this.emitResize(size)\n        }\n    }\n\n    public stopAutoLayout(): void {\n        this.autoLayout = false\n        if (this.resizeObserver) this.resizeObserver.disconnect()\n        this.resizeListener = this.resizeObserver = null\n    }\n\n    protected emitResize(size: IScreenSizeData): void {\n        const oldSize = {} as IScreenSizeData\n        DataHelper.copyAttrs(oldSize, this, canvasSizeAttrs)\n        this.resize(size)\n        if (this.resizeListener && !isUndefined(this.width)) this.resizeListener(new ResizeEvent(size, oldSize))\n    }\n\n\n    public unrealCanvas(): void { // App needs to use\n        if (!this.unreal && this.parentView) { // canvas 替换成 div, 方便放入子canvas\n            let view = this.view\n            if (view) view.remove()\n\n            view = this.view = document.createElement('div') as any\n            this.parentView.appendChild(this.view)\n            view.classList.add('leafer-app-view')\n\n            this.unreal = true\n        }\n    }\n\n    public destroy(): void {\n        const { view } = this\n        if (view) {\n            this.stopAutoLayout()\n            this.stopListenPixelRatio()\n            if (view.parentElement) view.remove()\n            super.destroy()\n        }\n    }\n\n}","export * from '@leafer/core'\n\nexport * from '@leafer/canvas-web'\nexport * from '@leafer/image-web'\n\nimport { ICreator, IFunction, IExportImageType, IExportFileType, IResponseType, IObject, ICanvasType, IImageCrossOrigin, ILeaferImage } from '@leafer/interface'\nimport { Platform, Creator, FileHelper, defineKey } from '@leafer/core'\n\nimport { LeaferCanvas } from '@leafer/canvas-web'\nimport { LeaferImage } from '@leafer/image-web'\n\n\nObject.assign(Creator, {\n    canvas: (options?, manager?) => new LeaferCanvas(options, manager),\n    image: (options) => new LeaferImage(options)\n} as ICreator)\n\n\nexport function useCanvas(_canvasType: ICanvasType, _power?: IObject): void {\n    Platform.origin = {\n        createCanvas(width: number, height: number): HTMLCanvasElement {\n            const canvas = document.createElement('canvas')\n            canvas.width = width\n            canvas.height = height\n            return canvas\n        },\n        canvasToDataURL: (canvas: HTMLCanvasElement, type?: IExportImageType, quality?: number) => {\n            const imageType = FileHelper.mimeType(type), url = canvas.toDataURL(imageType, quality)\n            return imageType === 'image/bmp' ? url.replace('image/png;', 'image/bmp;') : url\n        },\n        canvasToBolb: (canvas: HTMLCanvasElement, type?: IExportFileType, quality?: number) => new Promise((resolve) => canvas.toBlob(resolve, FileHelper.mimeType(type), quality)),\n        canvasSaveAs: (canvas: HTMLCanvasElement, filename: string, quality?: any) => {\n            const url = canvas.toDataURL(FileHelper.mimeType(FileHelper.fileType(filename)), quality)\n            return Platform.origin.download(url, filename)\n        },\n        async download(url: string, filename: string): Promise<void> {\n            let el = document.createElement('a')\n            el.href = url\n            el.download = filename\n            document.body.appendChild(el)\n            el.click()\n            document.body.removeChild(el)\n        },\n        loadImage(src: any, crossOrigin?: IImageCrossOrigin, _leaferImage?: ILeaferImage): Promise<HTMLImageElement> {\n            return new Promise((resolve, reject) => {\n                const img = new Platform.origin.Image()\n                if (crossOrigin) {\n                    img.setAttribute('crossOrigin', crossOrigin)\n                    img.crossOrigin = crossOrigin\n                }\n                img.onload = () => { resolve(img) }\n                img.onerror = (e: any) => { reject(e) }\n                img.src = Platform.image.getRealURL(src)\n            })\n        },\n        async loadContent(url: string, responseType: IResponseType = 'text'): Promise<any> {\n            const response = await fetch(url)\n            if (!response.ok) throw new Error(`${response.status}`)\n            return await response[responseType]()\n        },\n        Image,\n        PointerEvent,\n        DragEvent\n    }\n\n    Platform.event = {\n        stopDefault(origin: Event): void { origin.preventDefault() },\n        stopNow(origin: Event): void { origin.stopImmediatePropagation() },\n        stop(origin: Event): void { origin.stopPropagation() }\n    }\n\n    Platform.canvas = Creator.canvas()\n    Platform.conicGradientSupport = !!Platform.canvas.context.createConicGradient\n}\n\nPlatform.name = 'web'\nPlatform.isMobile = 'ontouchstart' in window\nPlatform.requestRender = function (render: IFunction): void { window.requestAnimationFrame(render) }\ndefineKey(Platform, 'devicePixelRatio', { get() { return devicePixelRatio } })\n\n\n// same as worker\n\nconst { userAgent } = navigator\n\nif (userAgent.indexOf(\"Firefox\") > -1) {\n    // Platform.conicGradientRotate90 = true // firefox 最新版已经修复此bug\n    Platform.intWheelDeltaY = true\n    Platform.syncDomFont = true\n} else if (/iPhone|iPad|iPod/.test(navigator.userAgent) || (/Macintosh/.test(navigator.userAgent) && /Version\\/[\\d.]+.*Safari/.test(navigator.userAgent))) {\n    Platform.fullImageShadow = true // 苹果内核渲染阴影\n}\n\nif (userAgent.indexOf('Windows') > -1) {\n    Platform.os = 'Windows'\n    Platform.intWheelDeltaY = true\n} else if (userAgent.indexOf('Mac') > -1) {\n    Platform.os = 'Mac'\n} else if (userAgent.indexOf('Linux') > -1) {\n    Platform.os = 'Linux'\n}","import { canvasPatch } from '@leafer/core'\n\nexport { LeaferCanvas } from './LeaferCanvas'\n\ncanvasPatch(CanvasRenderingContext2D.prototype)\ncanvasPatch(Path2D.prototype)","import { ILeaf, IWatcher, IEventListenerId, ILeafList, IWatcherConfig } from '@leafer/interface'\nimport { PropertyEvent, ChildEvent, RenderEvent, WatchEvent, LeafList, DataHelper } from '@leafer/core'\n\n\nexport class Watcher implements IWatcher {\n\n    public target: ILeaf\n\n    public totalTimes: number = 0\n\n    public disabled: boolean\n    public running: boolean\n    public changed: boolean\n\n    public hasVisible: boolean\n    public hasAdd: boolean\n    public hasRemove: boolean\n    public get childrenChanged() { return this.hasAdd || this.hasRemove || this.hasVisible }\n\n    public config: IWatcherConfig = {}\n\n    public get updatedList(): ILeafList {\n        if (this.hasRemove && this.config.usePartLayout) {\n            const updatedList = new LeafList()\n            this.__updatedList.list.forEach(item => { if (item.leafer) updatedList.add(item) })\n            return updatedList\n        } else {\n            return this.__updatedList\n        }\n    }\n\n    protected __eventIds: IEventListenerId[]\n    protected __updatedList: ILeafList = new LeafList()\n\n    constructor(target: ILeaf, userConfig?: IWatcherConfig) {\n        this.target = target\n        if (userConfig) this.config = DataHelper.default(userConfig, this.config)\n        this.__listenEvents()\n    }\n\n    public start(): void {\n        if (this.disabled) return\n        this.running = true\n    }\n\n    public stop(): void {\n        this.running = false\n    }\n\n    public disable(): void {\n        this.stop()\n        this.__removeListenEvents()\n        this.disabled = true\n    }\n\n    public update(): void {\n        this.changed = true\n        if (this.running) this.target.emit(RenderEvent.REQUEST)\n    }\n\n    protected __onAttrChange(event: PropertyEvent): void {\n        if (this.config.usePartLayout) this.__updatedList.add(event.target as ILeaf)\n        this.update()\n    }\n\n    protected __onChildEvent(event: ChildEvent): void {\n        if (this.config.usePartLayout) {\n            if (event.type === ChildEvent.ADD) {\n                this.hasAdd = true\n                this.__pushChild(event.child)\n            } else {\n                this.hasRemove = true\n                this.__updatedList.add(event.parent)\n            }\n        }\n        this.update()\n    }\n\n    protected __pushChild(child: ILeaf): void {\n        this.__updatedList.add(child)\n        if (child.isBranch) this.__loopChildren(child)\n    }\n\n    protected __loopChildren(parent: ILeaf): void {\n        const { children } = parent\n        for (let i = 0, len = children.length; i < len; i++) this.__pushChild(children[i])\n    }\n\n    public __onRquestData(): void {\n        this.target.emitEvent(new WatchEvent(WatchEvent.DATA, { updatedList: this.updatedList }))\n        this.__updatedList = new LeafList()\n        this.totalTimes++\n        this.changed = this.hasVisible = this.hasRemove = this.hasAdd = false\n    }\n\n    protected __listenEvents(): void {\n        this.__eventIds = [\n            this.target.on_([\n                [PropertyEvent.CHANGE, this.__onAttrChange, this],\n                [[ChildEvent.ADD, ChildEvent.REMOVE], this.__onChildEvent, this],\n                [WatchEvent.REQUEST, this.__onRquestData, this]\n            ])\n        ]\n    }\n\n    protected __removeListenEvents(): void {\n        this.target.off_(this.__eventIds)\n    }\n\n    public destroy(): void {\n        if (this.target) {\n            this.stop()\n            this.__removeListenEvents()\n            this.target = this.__updatedList = null\n        }\n    }\n\n}","import { ILeafLayout, ILeafLevelList, ILeafList, ILeaf } from '@leafer/interface'\nimport { BranchHelper, LeafHelper } from '@leafer/core'\n\n\nconst { updateAllMatrix, updateBounds: updateOneBounds, updateChange: updateOneChange } = LeafHelper\nconst { pushAllChildBranch, pushAllParent } = BranchHelper\n\n\nexport function updateMatrix(updateList: ILeafList, levelList: ILeafLevelList): void {\n\n    let layout: ILeafLayout\n    updateList.list.forEach(leaf => {  // 更新矩阵, 所有子元素，和父元素都需要更新bounds\n        layout = leaf.__layout\n        if (levelList.without(leaf) && !layout.proxyZoom) { // 防止重复， 子元素可能已经被父元素更新过\n\n            if (layout.matrixChanged) {\n\n                updateAllMatrix(leaf, true)\n\n                levelList.add(leaf)\n                if (leaf.isBranch) pushAllChildBranch(leaf, levelList)\n                pushAllParent(leaf, levelList)\n\n            } else if (layout.boundsChanged) {\n\n                levelList.add(leaf)\n                if (leaf.isBranch) leaf.__tempNumber = 0  // 标识需要更新子Leaf元素的WorldBounds分支, 0表示不需要更新\n                pushAllParent(leaf, levelList)\n            }\n        }\n    })\n\n}\n\nexport function updateBounds(boundsList: ILeafLevelList): void {\n    let list: ILeaf[], branch: ILeaf, children: ILeaf[]\n    boundsList.sort(true)\n    boundsList.levels.forEach(level => {\n        list = boundsList.levelMap[level]\n        for (let i = 0, len = list.length; i < len; i++) {\n            branch = list[i]\n\n            // 标识了需要更新子元素\n            if (branch.isBranch && branch.__tempNumber) {\n                children = branch.children\n                for (let j = 0, jLen = children.length; j < jLen; j++) {\n                    if (!children[j].isBranch) {\n                        updateOneBounds(children[j])\n                    }\n                }\n            }\n            updateOneBounds(branch)\n        }\n    })\n}\n\n\nexport function updateChange(updateList: ILeafList): void {\n    updateList.list.forEach(updateOneChange)\n}","import { IBounds, ILayoutBlockData, ILeafList, ILeaf } from '@leafer/interface'\nimport { Bounds, LeafBoundsHelper, LeafList, isArray } from '@leafer/core'\n\n\nconst { worldBounds } = LeafBoundsHelper\n\nexport class LayoutBlockData implements ILayoutBlockData {\n\n    public updatedList: ILeafList\n    public updatedBounds: IBounds = new Bounds()\n\n    public beforeBounds: IBounds = new Bounds()\n    public afterBounds: IBounds = new Bounds()\n\n    constructor(list: ILeafList | ILeaf[]) {\n        if (isArray(list)) list = new LeafList(list)\n        this.updatedList = list\n    }\n\n    public setBefore(): void {\n        this.beforeBounds.setListWithFn(this.updatedList.list, worldBounds)\n    }\n\n    public setAfter(): void {\n        this.afterBounds.setListWithFn(this.updatedList.list, worldBounds)\n        this.updatedBounds.setList([this.beforeBounds, this.afterBounds])\n    }\n\n    public merge(data: ILayoutBlockData): void {\n        this.updatedList.addList(data.updatedList.list)\n        this.beforeBounds.add(data.beforeBounds)\n        this.afterBounds.add(data.afterBounds)\n        this.updatedBounds.add(data.updatedBounds)\n    }\n\n    public destroy(): void {\n        this.updatedList = null\n    }\n\n}","import { ILayouter, ILeaf, ILayoutBlockData, IEventListenerId, ILayouterConfig, ILeafList } from '@leafer/interface'\nimport { LayoutEvent, WatchEvent, LeafLevelList, LeafList, BranchHelper, LeafHelper, DataHelper, Run, Debug } from '@leafer/core'\n\nimport { updateMatrix, updateBounds, updateChange } from './LayouterHelper'\nimport { LayoutBlockData } from './LayoutBlockData'\n\n\nconst { updateAllMatrix, updateAllChange } = LeafHelper\n\nconst debug = Debug.get('Layouter')\n\nexport class Layouter implements ILayouter {\n\n    public target: ILeaf\n    public layoutedBlocks: ILayoutBlockData[]\n    public extraBlock: ILayoutBlockData // around / autoLayout\n\n    public totalTimes: number = 0\n    public times: number\n\n    public disabled: boolean\n    public running: boolean\n    public layouting: boolean\n\n    public waitAgain: boolean\n\n    public config: ILayouterConfig = { usePartLayout: true }\n\n    public __updatedList: ILeafList\n    protected __levelList: LeafLevelList = new LeafLevelList()\n    protected __eventIds: IEventListenerId[]\n\n    constructor(target: ILeaf, userConfig?: ILayouterConfig) {\n        this.target = target\n        if (userConfig) this.config = DataHelper.default(userConfig, this.config)\n        this.__listenEvents()\n    }\n\n    public start(): void {\n        if (this.disabled) return\n        this.running = true\n    }\n\n    public stop(): void {\n        this.running = false\n    }\n\n    public disable(): void {\n        this.stop()\n        this.__removeListenEvents()\n        this.disabled = true\n    }\n\n    public layout(): void {\n        if (this.layouting || !this.running) return\n        const { target } = this\n        this.times = 0\n\n        try {\n            target.emit(LayoutEvent.START)\n            this.layoutOnce()\n            target.emitEvent(new LayoutEvent(LayoutEvent.END, this.layoutedBlocks, this.times))\n        } catch (e) {\n            debug.error(e)\n        }\n\n        this.layoutedBlocks = null\n    }\n\n    public layoutAgain(): void {\n        if (this.layouting) {\n            this.waitAgain = true\n        } else {\n            this.layoutOnce()\n        }\n    }\n\n    public layoutOnce(): void {\n        if (this.layouting) return debug.warn('layouting')\n        if (this.times > 3) return debug.warn('layout max times')\n\n        this.times++\n        this.totalTimes++\n\n        this.layouting = true\n\n        this.target.emit(WatchEvent.REQUEST)\n\n        if (this.totalTimes > 1 && this.config.usePartLayout) {\n            this.partLayout()\n        } else {\n            this.fullLayout()\n        }\n\n        this.layouting = false\n\n        if (this.waitAgain) {\n            this.waitAgain = false\n            this.layoutOnce()\n        }\n    }\n\n    public partLayout(): void {\n        if (!this.__updatedList?.length) return\n\n        const t = Run.start('PartLayout')\n        const { target, __updatedList: updateList } = this\n        const { BEFORE, LAYOUT, AFTER } = LayoutEvent\n\n        const blocks = thi