mirror of
https://github.com/Comfy-Org/ComfyUI_frontend.git
synced 2026-02-01 05:49:54 +00:00
802 lines
24 KiB
TypeScript
802 lines
24 KiB
TypeScript
// @ts-strict-ignore
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import {
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type IContextMenuValue,
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type INodeInputSlot,
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LGraphEventMode,
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LGraphNode,
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LiteGraph
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} from '@comfyorg/litegraph'
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import { Vector2 } from '@comfyorg/litegraph'
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import { IBaseWidget, IWidget } from '@comfyorg/litegraph/dist/types/widgets'
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import { st } from '@/i18n'
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import { api } from '@/scripts/api'
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import { ANIM_PREVIEW_WIDGET, ComfyApp, app } from '@/scripts/app'
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import { $el } from '@/scripts/ui'
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import { calculateImageGrid, createImageHost } from '@/scripts/ui/imagePreview'
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import { useToastStore } from '@/stores/toastStore'
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import { ComfyNodeDef, ExecutedWsMessage } from '@/types/apiTypes'
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import type { NodeId } from '@/types/comfyWorkflow'
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import { normalizeI18nKey } from '@/utils/formatUtil'
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import { isImageNode } from '@/utils/litegraphUtil'
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import { useExtensionService } from './extensionService'
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/**
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* Service that augments litegraph with ComfyUI specific functionality.
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*/
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export const useLitegraphService = () => {
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const extensionService = useExtensionService()
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const toastStore = useToastStore()
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async function registerNodeDef(nodeId: string, nodeData: ComfyNodeDef) {
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const node = class ComfyNode extends LGraphNode {
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static comfyClass? = nodeData.name
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// TODO: change to "title?" once litegraph.d.ts has been updated
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static title = nodeData.display_name || nodeData.name
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static nodeData? = nodeData
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static category?: string
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constructor(title?: string) {
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super(title)
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const requiredInputs = nodeData.input.required
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let inputs = nodeData['input']['required']
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if (nodeData['input']['optional'] != undefined) {
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inputs = Object.assign(
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{},
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nodeData['input']['required'],
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nodeData['input']['optional']
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)
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}
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const config: {
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minWidth: number
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minHeight: number
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widget?: IBaseWidget
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} = { minWidth: 1, minHeight: 1 }
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for (const inputName in inputs) {
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const _inputData = inputs[inputName]
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const type = _inputData[0]
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const options = _inputData[1] ?? {}
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const inputData = [type, options]
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const nameKey = `nodeDefs.${normalizeI18nKey(nodeData.name)}.inputs.${normalizeI18nKey(inputName)}.name`
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const inputIsRequired = requiredInputs && inputName in requiredInputs
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let widgetCreated = true
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const widgetType = app.getWidgetType(inputData, inputName)
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if (widgetType) {
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if (widgetType === 'COMBO') {
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Object.assign(
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config,
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app.widgets.COMBO(this, inputName, inputData, app) || {}
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)
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} else {
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Object.assign(
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config,
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app.widgets[widgetType](this, inputName, inputData, app) || {}
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)
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}
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if (config.widget) {
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config.widget.label = st(nameKey, inputName)
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}
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} else {
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// Node connection inputs
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const shapeOptions = inputIsRequired
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? {}
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: { shape: LiteGraph.SlotShape.HollowCircle }
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const inputOptions = {
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...shapeOptions,
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localized_name: st(nameKey, inputName)
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}
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this.addInput(inputName, type, inputOptions)
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widgetCreated = false
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}
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if (widgetCreated && config?.widget) {
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config.widget.options ??= {}
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if (!inputIsRequired) {
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config.widget.options.inputIsOptional = true
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}
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if (inputData[1]?.forceInput) {
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config.widget.options.forceInput = true
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}
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if (inputData[1]?.defaultInput) {
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config.widget.options.defaultInput = true
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}
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if (inputData[1]?.advanced) {
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config.widget.advanced = true
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}
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if (inputData[1]?.hidden) {
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config.widget.hidden = true
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}
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}
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}
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for (const o in nodeData['output']) {
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let output = nodeData['output'][o]
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if (output instanceof Array) output = 'COMBO'
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const outputName = nodeData['output_name'][o] || output
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const outputIsList = nodeData['output_is_list'][o]
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const shapeOptions = outputIsList
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? { shape: LiteGraph.GRID_SHAPE }
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: {}
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const nameKey = `nodeDefs.${normalizeI18nKey(nodeData.name)}.outputs.${o}.name`
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const typeKey = `dataTypes.${normalizeI18nKey(output)}`
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const outputOptions = {
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...shapeOptions,
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// If the output name is different from the output type, use the output name.
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// e.g.
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// - type ("INT"); name ("Positive") => translate name
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// - type ("FLOAT"); name ("FLOAT") => translate type
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localized_name:
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output !== outputName
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? st(nameKey, outputName)
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: st(typeKey, outputName)
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}
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this.addOutput(outputName, output, outputOptions)
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}
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const s = this.computeSize()
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s[0] = Math.max(config.minWidth, s[0] * 1.5)
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s[1] = Math.max(config.minHeight, s[1])
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this.size = s
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this.serialize_widgets = true
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extensionService.invokeExtensionsAsync('nodeCreated', this)
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}
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configure(data: any) {
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// Keep 'name', 'type', 'shape', and 'localized_name' information from the original node definition.
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const merge = (
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current: Record<string, any>,
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incoming: Record<string, any>
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) => {
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const result = { ...incoming }
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if (current.widget === undefined && incoming.widget !== undefined) {
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// Field must be input as only inputs can be converted
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this.inputs.push(current as INodeInputSlot)
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return incoming
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}
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for (const key of ['name', 'type', 'shape', 'localized_name']) {
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if (current[key] !== undefined) {
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result[key] = current[key]
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}
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}
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return result
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}
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for (const field of ['inputs', 'outputs']) {
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const slots = data[field] ?? []
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data[field] = slots.map((slot, i) =>
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merge(this[field][i] ?? {}, slot)
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)
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}
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super.configure(data)
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}
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}
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node.prototype.comfyClass = nodeData.name
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addNodeContextMenuHandler(node)
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addDrawBackgroundHandler(node)
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addNodeKeyHandler(node)
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await extensionService.invokeExtensionsAsync(
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'beforeRegisterNodeDef',
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node,
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nodeData
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)
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LiteGraph.registerNodeType(nodeId, node)
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// Note: Do not move this to the class definition, it will be overwritten
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node.category = nodeData.category
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}
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/**
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* Adds special context menu handling for nodes
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* e.g. this adds Open Image functionality for nodes that show images
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* @param {*} node The node to add the menu handler
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*/
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function addNodeContextMenuHandler(node: typeof LGraphNode) {
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function getCopyImageOption(img: HTMLImageElement): IContextMenuValue[] {
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if (typeof window.ClipboardItem === 'undefined') return []
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return [
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{
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content: 'Copy Image',
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// @ts-expect-error: async callback is not accepted by litegraph
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callback: async () => {
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const url = new URL(img.src)
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url.searchParams.delete('preview')
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const writeImage = async (blob) => {
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await navigator.clipboard.write([
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new ClipboardItem({
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[blob.type]: blob
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})
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])
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}
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try {
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const data = await fetch(url)
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const blob = await data.blob()
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try {
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await writeImage(blob)
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} catch (error) {
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// Chrome seems to only support PNG on write, convert and try again
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if (blob.type !== 'image/png') {
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const canvas = $el('canvas', {
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width: img.naturalWidth,
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height: img.naturalHeight
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}) as HTMLCanvasElement
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const ctx = canvas.getContext('2d')
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let image
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if (typeof window.createImageBitmap === 'undefined') {
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image = new Image()
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const p = new Promise((resolve, reject) => {
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image.onload = resolve
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image.onerror = reject
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}).finally(() => {
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URL.revokeObjectURL(image.src)
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})
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image.src = URL.createObjectURL(blob)
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await p
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} else {
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image = await createImageBitmap(blob)
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}
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try {
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ctx.drawImage(image, 0, 0)
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canvas.toBlob(writeImage, 'image/png')
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} finally {
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if (typeof image.close === 'function') {
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image.close()
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}
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}
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return
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}
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throw error
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}
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} catch (error) {
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toastStore.addAlert(
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'Error copying image: ' + (error.message ?? error)
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)
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}
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}
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}
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]
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}
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node.prototype.getExtraMenuOptions = function (_, options) {
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if (this.imgs) {
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// If this node has images then we add an open in new tab item
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let img
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if (this.imageIndex != null) {
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// An image is selected so select that
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img = this.imgs[this.imageIndex]
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} else if (this.overIndex != null) {
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// No image is selected but one is hovered
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img = this.imgs[this.overIndex]
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}
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if (img) {
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options.unshift(
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{
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content: 'Open Image',
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callback: () => {
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const url = new URL(img.src)
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url.searchParams.delete('preview')
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window.open(url, '_blank')
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}
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},
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...getCopyImageOption(img),
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{
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content: 'Save Image',
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callback: () => {
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const a = document.createElement('a')
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const url = new URL(img.src)
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url.searchParams.delete('preview')
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a.href = url.toString()
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a.setAttribute(
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'download',
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new URLSearchParams(url.search).get('filename')
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)
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document.body.append(a)
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a.click()
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requestAnimationFrame(() => a.remove())
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}
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}
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)
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}
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}
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options.push({
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content: 'Bypass',
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callback: (obj) => {
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const mode =
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this.mode === LGraphEventMode.BYPASS
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? LGraphEventMode.ALWAYS
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: LGraphEventMode.BYPASS
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for (const item of app.canvas.selectedItems) {
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if (item instanceof LGraphNode) item.mode = mode
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}
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this.graph.change()
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}
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})
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// prevent conflict of clipspace content
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if (!ComfyApp.clipspace_return_node) {
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options.push({
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content: 'Copy (Clipspace)',
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callback: (obj) => {
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ComfyApp.copyToClipspace(this)
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}
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})
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if (ComfyApp.clipspace != null) {
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options.push({
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content: 'Paste (Clipspace)',
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callback: () => {
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ComfyApp.pasteFromClipspace(this)
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}
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})
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}
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if (isImageNode(this)) {
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options.push({
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content: 'Open in MaskEditor',
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callback: (obj) => {
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ComfyApp.copyToClipspace(this)
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ComfyApp.clipspace_return_node = this
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ComfyApp.open_maskeditor()
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}
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})
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}
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}
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return []
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}
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}
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/**
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* Adds Custom drawing logic for nodes
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* e.g. Draws images and handles thumbnail navigation on nodes that output images
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* @param {*} node The node to add the draw handler
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*/
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function addDrawBackgroundHandler(node: typeof LGraphNode) {
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function getImageTop(node: LGraphNode) {
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let shiftY: number
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if (node.imageOffset != null) {
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return node.imageOffset
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} else if (node.widgets?.length) {
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const w = node.widgets[node.widgets.length - 1]
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shiftY = w.last_y
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if (w.computeSize) {
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shiftY += w.computeSize()[1] + 4
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// @ts-expect-error computedHeight only exists for DOMWidget
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} else if (w.computedHeight) {
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// @ts-expect-error computedHeight only exists for DOMWidget
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shiftY += w.computedHeight
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} else {
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shiftY += LiteGraph.NODE_WIDGET_HEIGHT + 4
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}
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} else {
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return node.computeSize()[1]
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}
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return shiftY
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}
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node.prototype.setSizeForImage = function (
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this: LGraphNode,
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force: boolean
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) {
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if (!force && this.animatedImages) return
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if (this.inputHeight || this.freeWidgetSpace > 210) {
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this.setSize(this.size)
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return
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}
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const minHeight = getImageTop(this) + 220
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if (this.size[1] < minHeight) {
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this.setSize([this.size[0], minHeight])
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}
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}
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function unsafeDrawBackground(
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this: LGraphNode,
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ctx: CanvasRenderingContext2D
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) {
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if (this.flags.collapsed) return
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const imgURLs: (string[] | string)[] = []
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let imagesChanged = false
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const output: ExecutedWsMessage['output'] = app.nodeOutputs[this.id + '']
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if (output?.images && this.images !== output.images) {
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this.animatedImages = output?.animated?.find(Boolean)
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this.images = output.images
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imagesChanged = true
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const preview = this.animatedImages ? '' : app.getPreviewFormatParam()
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for (const params of output.images) {
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const imgUrlPart = new URLSearchParams(params).toString()
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const rand = app.getRandParam()
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const imgUrl = api.apiURL(`/view?${imgUrlPart}${preview}${rand}`)
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imgURLs.push(imgUrl)
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}
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}
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const preview = app.nodePreviewImages[this.id + '']
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if (this.preview !== preview) {
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this.preview = preview
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imagesChanged = true
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if (preview != null) {
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imgURLs.push(preview)
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}
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}
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if (imagesChanged) {
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this.imageIndex = null
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if (imgURLs.length > 0) {
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Promise.all(
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imgURLs.flat().map((src) => {
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return new Promise<HTMLImageElement | null>((r) => {
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const img = new Image()
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img.onload = () => r(img)
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img.onerror = () => r(null)
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img.src = src
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})
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})
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).then((imgs) => {
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if (
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(!output || this.images === output.images) &&
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(!preview || this.preview === preview)
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) {
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this.imgs = imgs.filter(Boolean)
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this.setSizeForImage?.()
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app.graph.setDirtyCanvas(true)
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}
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})
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} else {
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this.imgs = null
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}
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}
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const is_all_same_aspect_ratio = (imgs: HTMLImageElement[]) => {
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// assume: imgs.length >= 2
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const ratio = imgs[0].naturalWidth / imgs[0].naturalHeight
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for (let i = 1; i < imgs.length; i++) {
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const this_ratio = imgs[i].naturalWidth / imgs[i].naturalHeight
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if (ratio != this_ratio) return false
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}
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return true
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}
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// Nothing to do
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if (!this.imgs?.length) return
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const widgetIdx = this.widgets?.findIndex(
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(w) => w.name === ANIM_PREVIEW_WIDGET
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)
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if (this.animatedImages) {
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// Instead of using the canvas we'll use a IMG
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if (widgetIdx > -1) {
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// Replace content
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const widget = this.widgets[widgetIdx] as IWidget & {
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options: { host: ReturnType<typeof createImageHost> }
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}
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widget.options.host.updateImages(this.imgs)
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} else {
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const host = createImageHost(this)
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this.setSizeForImage(true)
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const widget = this.addDOMWidget(
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ANIM_PREVIEW_WIDGET,
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'img',
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host.el,
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{
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host,
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getHeight: host.getHeight,
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onDraw: host.onDraw,
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hideOnZoom: false
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}
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)
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widget.serializeValue = () => undefined
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widget.options.host.updateImages(this.imgs)
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}
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return
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}
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if (widgetIdx > -1) {
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this.widgets[widgetIdx].onRemove?.()
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this.widgets.splice(widgetIdx, 1)
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}
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const canvas = app.graph.list_of_graphcanvas[0]
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const mouse = canvas.graph_mouse
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if (!canvas.pointer_is_down && this.pointerDown) {
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if (
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mouse[0] === this.pointerDown.pos[0] &&
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mouse[1] === this.pointerDown.pos[1]
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) {
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this.imageIndex = this.pointerDown.index
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}
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this.pointerDown = null
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}
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let { imageIndex } = this
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const numImages = this.imgs.length
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if (numImages === 1 && !imageIndex) {
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// This skips the thumbnail render section below
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this.imageIndex = imageIndex = 0
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}
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const shiftY = getImageTop(this)
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const dw = this.size[0]
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const dh = this.size[1] - shiftY
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if (imageIndex == null) {
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// No image selected; draw thumbnails of all
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let cellWidth: number
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let cellHeight: number
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let shiftX: number
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let cell_padding: number
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let cols: number
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const compact_mode = is_all_same_aspect_ratio(this.imgs)
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if (!compact_mode) {
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// use rectangle cell style and border line
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cell_padding = 2
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// Prevent infinite canvas2d scale-up
|
|
const largestDimension = this.imgs.reduce(
|
|
(acc, current) =>
|
|
Math.max(acc, current.naturalWidth, current.naturalHeight),
|
|
0
|
|
)
|
|
const fakeImgs = []
|
|
fakeImgs.length = this.imgs.length
|
|
fakeImgs[0] = {
|
|
naturalWidth: largestDimension,
|
|
naturalHeight: largestDimension
|
|
}
|
|
;({ cellWidth, cellHeight, cols, shiftX } = calculateImageGrid(
|
|
fakeImgs,
|
|
dw,
|
|
dh
|
|
))
|
|
} else {
|
|
cell_padding = 0
|
|
;({ cellWidth, cellHeight, cols, shiftX } = calculateImageGrid(
|
|
this.imgs,
|
|
dw,
|
|
dh
|
|
))
|
|
}
|
|
|
|
let anyHovered = false
|
|
this.imageRects = []
|
|
for (let i = 0; i < numImages; i++) {
|
|
const img = this.imgs[i]
|
|
const row = Math.floor(i / cols)
|
|
const col = i % cols
|
|
const x = col * cellWidth + shiftX
|
|
const y = row * cellHeight + shiftY
|
|
if (!anyHovered) {
|
|
anyHovered = LiteGraph.isInsideRectangle(
|
|
mouse[0],
|
|
mouse[1],
|
|
x + this.pos[0],
|
|
y + this.pos[1],
|
|
cellWidth,
|
|
cellHeight
|
|
)
|
|
if (anyHovered) {
|
|
this.overIndex = i
|
|
let value = 110
|
|
if (canvas.pointer_is_down) {
|
|
if (!this.pointerDown || this.pointerDown.index !== i) {
|
|
this.pointerDown = { index: i, pos: [...mouse] }
|
|
}
|
|
value = 125
|
|
}
|
|
ctx.filter = `contrast(${value}%) brightness(${value}%)`
|
|
canvas.canvas.style.cursor = 'pointer'
|
|
}
|
|
}
|
|
this.imageRects.push([x, y, cellWidth, cellHeight])
|
|
|
|
const wratio = cellWidth / img.width
|
|
const hratio = cellHeight / img.height
|
|
const ratio = Math.min(wratio, hratio)
|
|
|
|
const imgHeight = ratio * img.height
|
|
const imgY = row * cellHeight + shiftY + (cellHeight - imgHeight) / 2
|
|
const imgWidth = ratio * img.width
|
|
const imgX = col * cellWidth + shiftX + (cellWidth - imgWidth) / 2
|
|
|
|
ctx.drawImage(
|
|
img,
|
|
imgX + cell_padding,
|
|
imgY + cell_padding,
|
|
imgWidth - cell_padding * 2,
|
|
imgHeight - cell_padding * 2
|
|
)
|
|
if (!compact_mode) {
|
|
// rectangle cell and border line style
|
|
ctx.strokeStyle = '#8F8F8F'
|
|
ctx.lineWidth = 1
|
|
ctx.strokeRect(
|
|
x + cell_padding,
|
|
y + cell_padding,
|
|
cellWidth - cell_padding * 2,
|
|
cellHeight - cell_padding * 2
|
|
)
|
|
}
|
|
|
|
ctx.filter = 'none'
|
|
}
|
|
|
|
if (!anyHovered) {
|
|
this.pointerDown = null
|
|
this.overIndex = null
|
|
}
|
|
|
|
return
|
|
}
|
|
// Draw individual
|
|
let w = this.imgs[imageIndex].naturalWidth
|
|
let h = this.imgs[imageIndex].naturalHeight
|
|
|
|
const scaleX = dw / w
|
|
const scaleY = dh / h
|
|
const scale = Math.min(scaleX, scaleY, 1)
|
|
|
|
w *= scale
|
|
h *= scale
|
|
|
|
const x = (dw - w) / 2
|
|
const y = (dh - h) / 2 + shiftY
|
|
ctx.drawImage(this.imgs[imageIndex], x, y, w, h)
|
|
|
|
const drawButton = (
|
|
x: number,
|
|
y: number,
|
|
sz: number,
|
|
text: string
|
|
): boolean => {
|
|
const hovered = LiteGraph.isInsideRectangle(
|
|
mouse[0],
|
|
mouse[1],
|
|
x + this.pos[0],
|
|
y + this.pos[1],
|
|
sz,
|
|
sz
|
|
)
|
|
let fill = '#333'
|
|
let textFill = '#fff'
|
|
let isClicking = false
|
|
if (hovered) {
|
|
canvas.canvas.style.cursor = 'pointer'
|
|
if (canvas.pointer_is_down) {
|
|
fill = '#1e90ff'
|
|
isClicking = true
|
|
} else {
|
|
fill = '#eee'
|
|
textFill = '#000'
|
|
}
|
|
}
|
|
|
|
ctx.fillStyle = fill
|
|
ctx.beginPath()
|
|
ctx.roundRect(x, y, sz, sz, [4])
|
|
ctx.fill()
|
|
ctx.fillStyle = textFill
|
|
ctx.font = '12px Arial'
|
|
ctx.textAlign = 'center'
|
|
ctx.fillText(text, x + 15, y + 20)
|
|
|
|
return isClicking
|
|
}
|
|
|
|
if (!(numImages > 1)) return
|
|
|
|
const imageNum = this.imageIndex + 1
|
|
if (
|
|
drawButton(dw - 40, dh + shiftY - 40, 30, `${imageNum}/${numImages}`)
|
|
) {
|
|
const i = imageNum >= numImages ? 0 : imageNum
|
|
if (!this.pointerDown || this.pointerDown.index !== i) {
|
|
this.pointerDown = { index: i, pos: [...mouse] }
|
|
}
|
|
}
|
|
|
|
if (drawButton(dw - 40, shiftY + 10, 30, `x`)) {
|
|
if (!this.pointerDown || this.pointerDown.index !== null) {
|
|
this.pointerDown = { index: null, pos: [...mouse] }
|
|
}
|
|
}
|
|
}
|
|
|
|
node.prototype.onDrawBackground = function (ctx) {
|
|
try {
|
|
unsafeDrawBackground.call(this, ctx)
|
|
} catch (error) {
|
|
console.error('Error drawing node background', error)
|
|
}
|
|
}
|
|
}
|
|
|
|
function addNodeKeyHandler(node: typeof LGraphNode) {
|
|
const origNodeOnKeyDown = node.prototype.onKeyDown
|
|
|
|
node.prototype.onKeyDown = function (e) {
|
|
if (origNodeOnKeyDown && origNodeOnKeyDown.apply(this, e) === false) {
|
|
return false
|
|
}
|
|
|
|
if (this.flags.collapsed || !this.imgs || this.imageIndex === null) {
|
|
return
|
|
}
|
|
|
|
let handled = false
|
|
|
|
if (e.key === 'ArrowLeft' || e.key === 'ArrowRight') {
|
|
if (e.key === 'ArrowLeft') {
|
|
this.imageIndex -= 1
|
|
} else if (e.key === 'ArrowRight') {
|
|
this.imageIndex += 1
|
|
}
|
|
this.imageIndex %= this.imgs.length
|
|
|
|
if (this.imageIndex < 0) {
|
|
this.imageIndex = this.imgs.length + this.imageIndex
|
|
}
|
|
handled = true
|
|
} else if (e.key === 'Escape') {
|
|
this.imageIndex = null
|
|
handled = true
|
|
}
|
|
|
|
if (handled === true) {
|
|
e.preventDefault()
|
|
e.stopImmediatePropagation()
|
|
return false
|
|
}
|
|
}
|
|
}
|
|
|
|
function addNodeOnGraph(
|
|
nodeDef: ComfyNodeDef,
|
|
options: Record<string, any> = {}
|
|
): LGraphNode {
|
|
options.pos ??= getCanvasCenter()
|
|
|
|
const node = LiteGraph.createNode(
|
|
nodeDef.name,
|
|
nodeDef.display_name,
|
|
options
|
|
)
|
|
|
|
app.graph.add(node)
|
|
return node
|
|
}
|
|
|
|
function getCanvasCenter(): Vector2 {
|
|
const dpi = Math.max(window.devicePixelRatio ?? 1, 1)
|
|
const [x, y, w, h] = app.canvas.ds.visible_area
|
|
return [x + w / dpi / 2, y + h / dpi / 2]
|
|
}
|
|
|
|
function goToNode(nodeId: NodeId) {
|
|
const graphNode = app.graph.getNodeById(nodeId)
|
|
if (!graphNode) return
|
|
app.canvas.animateToBounds(graphNode.boundingRect)
|
|
}
|
|
|
|
return {
|
|
registerNodeDef,
|
|
addNodeOnGraph,
|
|
getCanvasCenter,
|
|
goToNode
|
|
}
|
|
}
|