diff options
Diffstat (limited to 'src/client/views/nodes/imageEditor')
13 files changed, 1840 insertions, 0 deletions
diff --git a/src/client/views/nodes/imageEditor/GenerativeFillButtons.scss b/src/client/views/nodes/imageEditor/GenerativeFillButtons.scss new file mode 100644 index 000000000..0180ef904 --- /dev/null +++ b/src/client/views/nodes/imageEditor/GenerativeFillButtons.scss @@ -0,0 +1,4 @@ +.generativeFillBtnContainer { + display: flex; + gap: 1rem; +} diff --git a/src/client/views/nodes/imageEditor/GenerativeFillButtons.tsx b/src/client/views/nodes/imageEditor/GenerativeFillButtons.tsx new file mode 100644 index 000000000..fe9c39aad --- /dev/null +++ b/src/client/views/nodes/imageEditor/GenerativeFillButtons.tsx @@ -0,0 +1,72 @@ +import './GenerativeFillButtons.scss'; +import * as React from 'react'; +import ReactLoading from 'react-loading'; +import { Button, IconButton, Type } from '@dash/components'; +import { AiOutlineInfo } from 'react-icons/ai'; +import { activeColor } from './imageEditorUtils/imageEditorConstants'; + +interface ButtonContainerProps { + onClick: () => Promise<void>; + loading: boolean; + onReset: () => void; +} + +export function EditButtons({ loading, onClick: getEdit, onReset }: ButtonContainerProps) { + return ( + <div className="generativeFillBtnContainer"> + <Button text="RESET" type={Type.PRIM} color={activeColor} onClick={onReset} /> + {loading ? ( + <Button + text="GET EDITS" + type={Type.TERT} + color={activeColor} + icon={<ReactLoading type="spin" color="#ffffff" width={20} height={20} />} + iconPlacement="right" + onClick={() => { + if (!loading) getEdit(); + }} + /> + ) : ( + <Button + text="GET EDITS" + type={Type.TERT} + color={activeColor} + onClick={() => { + if (!loading) getEdit(); + }} + /> + )} + <IconButton type={Type.SEC} color={activeColor} tooltip="Open Documentation" icon={<AiOutlineInfo size="16px" />} onClick={() => window.open('https://brown-dash.github.io/Dash-Documentation/features/generativeai/#editing', '_blank')} /> + </div> + ); +} + +export function CutButtons({ loading, onClick: cutImage, onReset }: ButtonContainerProps) { + return ( + <div className="generativeFillBtnContainer"> + <Button text="RESET" type={Type.PRIM} color={activeColor} onClick={onReset} /> + {loading ? ( + <Button + text="CUT IMAGE" + type={Type.TERT} + color={activeColor} + icon={<ReactLoading type="spin" color="#ffffff" width={20} height={20} />} + iconPlacement="right" + onClick={() => { + if (!loading) cutImage(); + }} + /> + ) : ( + <Button + text="CUT IMAGE" + type={Type.TERT} + color={activeColor} + onClick={() => { + if (!loading) cutImage(); + }} + /> + )} + <IconButton type={Type.SEC} color={activeColor} tooltip="Open Documentation" icon={<AiOutlineInfo size="16px" />} onClick={() => window.open('https://brown-dash.github.io/Dash-Documentation/features/generativeai/#editing', '_blank')} /> + </div> + ); +} diff --git a/src/client/views/nodes/imageEditor/ImageEditor.scss b/src/client/views/nodes/imageEditor/ImageEditor.scss new file mode 100644 index 000000000..c691e6a18 --- /dev/null +++ b/src/client/views/nodes/imageEditor/ImageEditor.scss @@ -0,0 +1,149 @@ +$navHeight: 5rem; +$canvasSize: 1024px; +$scale: 0.5; + +.imageEditorContainer { + position: absolute; + top: 0; + left: 0; + z-index: 9999; + height: 100vh; + width: 100vw; + display: flex; + flex-direction: column; + overflow: hidden; + + .imageEditorTopBar { + flex-shrink: 0; + height: $navHeight; + color: #000000; + background-color: #ffffff; + z-index: 999; + width: 100%; + display: flex; + gap: 3rem; + justify-content: space-between; + align-items: center; + border-bottom: 1px solid #c7cdd0; + padding: 0 2rem; + + .imageEditorControls { + display: flex; + align-items: center; + gap: 1.5rem; + } + + h1 { + font-size: 1.5rem; + } + } + + .drawingArea { + cursor: none; + touch-action: none; + position: relative; + flex-grow: 1; + display: flex; + justify-content: center; + align-items: center; + width: 100%; + background-color: #f0f4f6; + + canvas { + display: block; + position: absolute; + transform-origin: 50% 50%; + } + + .pointer { + pointer-events: none; + position: absolute; + border-radius: 50%; + width: 50px; + height: 50px; + border: 1px solid #ffffff; + transform: translate(-50%, -50%); + display: flex; + justify-content: center; + align-items: center; + + .innerPointer { + width: 100%; + height: 100%; + border: 1px solid #000000; + border-radius: 50%; + } + } + + .sideControlsContainer { + width: 160px; + position: absolute; + left: 0; + height: 100%; + + .sideControls { + position: absolute; + width: 120px; + top: 3rem; + left: 2rem; + display: flex; + flex-direction: column; + gap: 1rem; + + .imageToolsContainer { + display: flex; + flex-direction: column; + gap: 10px; + } + + .cutToolsContainer { + display: grid; + gap: 5px; + grid-template-columns: 1fr 1fr; + } + + .undoRedoContainer { + justify-content: center; + display: flex; + flex-direction: row; + } + + .sliderContainer { + margin: 3rem 0; + height: 225px; + width: 100%; + display: flex; + justify-content: center; + cursor: pointer; + } + } + } + + .editsBox { + position: absolute; + top: 2rem; + right: 2rem; + display: flex; + flex-direction: column; + gap: 1rem; + + .originalImageLabel { + position: absolute; + bottom: 10; + left: 10; + color: #ffffff; + font-size: 0.8rem; + letter-spacing: 1px; + text-transform: uppercase; + } + + img { + cursor: pointer; + transition: all 0.2s ease-in-out; + &:hover { + opacity: 0.8; + } + } + } + } +} diff --git a/src/client/views/nodes/imageEditor/ImageEditor.tsx b/src/client/views/nodes/imageEditor/ImageEditor.tsx new file mode 100644 index 000000000..6b1d05031 --- /dev/null +++ b/src/client/views/nodes/imageEditor/ImageEditor.tsx @@ -0,0 +1,788 @@ +/* eslint-disable no-use-before-define */ +import { Checkbox, FormControlLabel, Slider, TextField } from '@mui/material'; +import { Button, IconButton, Type } from '@dash/components'; +import * as React from 'react'; +import { useEffect, useRef, useState } from 'react'; +import { CgClose } from 'react-icons/cg'; +import { IoMdRedo, IoMdUndo } from 'react-icons/io'; +import { ClientUtils } from '../../../../ClientUtils'; +import { Doc, DocListCast } from '../../../../fields/Doc'; +import { List } from '../../../../fields/List'; +import { NumCast } from '../../../../fields/Types'; +import { Networking } from '../../../Network'; +import { DocUtils } from '../../../documents/DocUtils'; +import { Docs } from '../../../documents/Documents'; +import { CollectionDockingView } from '../../collections/CollectionDockingView'; +import { CollectionFreeFormView } from '../../collections/collectionFreeForm'; +import { ImageEditorData } from '../ImageBox'; +import { OpenWhereMod } from '../OpenWhere'; +import './ImageEditor.scss'; +import { ApplyFuncButtons, ImageToolButton } from './ImageEditorButtons'; +import { BrushHandler } from './imageEditorUtils/BrushHandler'; +import { APISuccess, ImageUtility } from './imageEditorUtils/ImageHandler'; +import { PointerHandler } from './imageEditorUtils/PointerHandler'; +import { activeColor, bgColor, brushWidthOffset, canvasSize, eraserColor, freeformRenderSize, newCollectionSize, offsetDistanceY, offsetX } from './imageEditorUtils/imageEditorConstants'; +import { CutMode, CursorData, ImageDimensions, ImageEditTool, ImageToolType, Point } from './imageEditorUtils/imageEditorInterfaces'; +import { DocumentView } from '../DocumentView'; +import { DocData } from '../../../../fields/DocSymbols'; +import { SettingsManager } from '../../../util/SettingsManager'; + +interface GenerativeFillProps { + imageEditorOpen: boolean; + imageEditorSource: string; + imageRootDoc: Doc | undefined; + addDoc: ((doc: Doc | Doc[], annotationKey?: string) => boolean) | undefined; +} + +// Added field on image doc: gen_fill_children: List of children Docs + +/** + * The image editor interface can be accessed by opening a document's context menu, then going to Options --> Open Image Editor. + * The image editor supports various operations on images. Currently, there is a Generative Fill feature that allows users to erase + * part of an image, add an optional prompt, and send this to GPT. GPT then returns a newly generated image that replaces the erased + * portion based on the optional prompt. There is also an image cutting tool that allows users to cut images in different ways to + * reshape the images, take out portions of images, and overall use them more creatively (see the header comment for cutImage() for more information). + */ +const ImageEditor = ({ imageEditorOpen, imageEditorSource, imageRootDoc, addDoc }: GenerativeFillProps) => { + const canvasRef = useRef<HTMLCanvasElement>(null); + const canvasBackgroundRef = useRef<HTMLCanvasElement>(null); + const drawingAreaRef = useRef<HTMLDivElement>(null); + const [cursorData, setCursorData] = useState<CursorData>({ + x: 0, + y: 0, + width: 150, + }); + const [isBrushing, setIsBrushing] = useState(false); + const [canvasScale, setCanvasScale] = useState(0.5); + // format: array of [image source, corresponding image Doc] + const [edits, setEdits] = useState<{ url: string; saveRes: Doc | undefined }[]>([]); + const [edited, setEdited] = useState(false); + const [isFirstDoc, setIsFirstDoc] = useState<boolean>(true); + const [input, setInput] = useState(''); + const [loading, setLoading] = useState(false); + const [canvasDims, setCanvasDims] = useState<ImageDimensions>({ + width: canvasSize, + height: canvasSize, + }); + const [cutType, setCutType] = useState<CutMode>(CutMode.IN); + // whether to create a new collection or not + const [isNewCollection, setIsNewCollection] = useState(true); + // the current image in the main canvas + const currImg = useRef<HTMLImageElement | null>(null); + // the unedited version of each generation (parent) + const originalImg = useRef<HTMLImageElement | null>(null); + const originalDoc = useRef<Doc | null>(null); + // stores history of data urls + const undoStack = useRef<string[]>([]); + // stores redo stack + const redoStack = useRef<string[]>([]); + + // references to keep track of tree structure + const newCollectionRef = useRef<Doc | null>(null); + const parentDoc = useRef<Doc | null>(null); + const childrenDocs = useRef<Doc[]>([]); + + // constants for image cutting + const cutPts = useRef<Point[]>([]); + + /** + * + * @param type The new tool type we are changing to + */ + const changeTool = (type: ImageToolType) => { + switch (type) { + case ImageToolType.GenerativeFill: + setCurrTool(genFillTool); + setCursorData(prev => ({ ...prev, width: genFillTool.sliderDefault as number })); + break; + case ImageToolType.Cut: + setCurrTool(cutTool); + setCursorData(prev => ({ ...prev, width: cutTool.sliderDefault as number })); + break; + default: + break; + } + }; + // Undo and Redo + const handleUndo = () => { + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx || !currImg.current || !canvasRef.current) return; + + const target = undoStack.current[undoStack.current.length - 1]; + if (!target) { + ImageUtility.drawImgToCanvas(currImg.current, canvasRef, canvasDims.width, canvasDims.height); + } else { + redoStack.current = [...redoStack.current, canvasRef.current.toDataURL()]; + const img = new Image(); + img.src = target; + ImageUtility.drawImgToCanvas(img, canvasRef, canvasDims.width, canvasDims.height); + undoStack.current = undoStack.current.slice(0, -1); + } + }; + + const handleRedo = () => { + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx || !currImg.current || !canvasRef.current) return; + + const target = redoStack.current[redoStack.current.length - 1]; + if (target) { + undoStack.current = [...undoStack.current, canvasRef.current?.toDataURL()]; + const img = new Image(); + img.src = target; + ImageUtility.drawImgToCanvas(img, canvasRef, canvasDims.width, canvasDims.height); + redoStack.current = redoStack.current.slice(0, -1); + } + }; + + // resets any erase strokes + const handleReset = () => { + if (!canvasRef.current || !currImg.current) return; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return; + ctx.clearRect(0, 0, canvasSize, canvasSize); + undoStack.current = []; + redoStack.current = []; + cutPts.current.length = 0; + ImageUtility.drawImgToCanvas(currImg.current, canvasRef, canvasDims.width, canvasDims.height); + }; + + // initiate brushing + const handlePointerDown = (e: React.PointerEvent) => { + const canvas = canvasRef.current; + if (!canvas) return; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return; + + undoStack.current = [...undoStack.current, canvasRef.current.toDataURL()]; + redoStack.current = []; + + setIsBrushing(true); + const { x, y } = PointerHandler.getPointRelativeToElement(canvas, e, canvasScale); + BrushHandler.brushCircleOverlay(x, y, cursorData.width / 2 / canvasScale, ctx, eraserColor /* , brushStyle === BrushStyle.SUBTRACT */); + }; + + // stop brushing, push to undo stack + const handlePointerUp = () => { + const ctx = ImageUtility.getCanvasContext(canvasBackgroundRef); + if (!ctx) return; + if (!isBrushing) return; + setIsBrushing(false); + }; + + // handles brushing on pointer movement + useEffect(() => { + if (!isBrushing) return undefined; + const canvas = canvasRef.current; + if (!canvas) return undefined; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return undefined; + + const handlePointerMove = (e: PointerEvent) => { + const currPoint = PointerHandler.getPointRelativeToElement(canvas, e, canvasScale); + const lastPoint: Point = { + x: currPoint.x - e.movementX / canvasScale, + y: currPoint.y - e.movementY / canvasScale, + }; + const pts = BrushHandler.createBrushPathOverlay(lastPoint, currPoint, cursorData.width / 2 / canvasScale, ctx, eraserColor); + cutPts.current.push(...pts); + }; + + drawingAreaRef.current?.addEventListener('pointermove', handlePointerMove); + return () => { + drawingAreaRef.current?.removeEventListener('pointermove', handlePointerMove); + }; + }, [isBrushing]); + + // first load + useEffect(() => { + const loadInitial = async () => { + if (!imageEditorSource || imageEditorSource === '') return; + const img = new Image(); + const res = await ImageUtility.urlToBase64(imageEditorSource); + if (!res) return; + img.src = `data:image/png;base64,${res}`; + + img.onload = () => { + currImg.current = img; + originalImg.current = img; + const imgWidth = img.naturalWidth; + const imgHeight = img.naturalHeight; + const scale = Math.min(canvasSize / imgWidth, canvasSize / imgHeight); + const width = imgWidth * scale; + const height = imgHeight * scale; + setCanvasDims({ width, height }); + }; + }; + + loadInitial(); + + // cleanup + return () => { + setInput(''); + setEdited(false); + newCollectionRef.current = null; + parentDoc.current = null; + childrenDocs.current = []; + currImg.current = null; + originalImg.current = null; + originalDoc.current = null; + undoStack.current = []; + redoStack.current = []; + ImageUtility.clearCanvas(canvasRef); + }; + }, [canvasRef, imageEditorSource]); + + // once the appropriate dimensions are set, draw the image to the canvas + useEffect(() => { + if (!currImg.current) return; + ImageUtility.drawImgToCanvas(currImg.current, canvasRef, canvasDims.width, canvasDims.height); + }, [canvasDims]); + + // handles brush sizing + useEffect(() => { + const handleKeyPress = (e: KeyboardEvent) => { + if (e.key === 'ArrowUp') { + e.preventDefault(); + e.stopPropagation(); + setCursorData(data => ({ ...data, width: data.width + 5 })); + } else if (e.key === 'ArrowDown') { + e.preventDefault(); + e.stopPropagation(); + setCursorData(data => (data.width >= 20 ? { ...data, width: data.width - 5 } : data)); + } + }; + window.addEventListener('keydown', handleKeyPress); + return () => window.removeEventListener('keydown', handleKeyPress); + }, []); + + // handle pinch zoom + useEffect(() => { + const handlePinch = (e: WheelEvent) => { + e.preventDefault(); + e.stopPropagation(); + const delta = e.deltaY; + const scaleFactor = delta > 0 ? 0.98 : 1.02; + setCanvasScale(prevScale => prevScale * scaleFactor); + }; + + drawingAreaRef.current?.addEventListener('wheel', handlePinch, { + passive: false, + }); + return () => drawingAreaRef.current?.removeEventListener('wheel', handlePinch); + }, [drawingAreaRef]); + + // updates the current position of the cursor + const updateCursorData = (e: React.PointerEvent) => { + const drawingArea = drawingAreaRef.current; + if (!drawingArea) return; + const { x, y } = PointerHandler.getPointRelativeToElement(drawingArea, e, 1); + setCursorData(data => ({ + ...data, + x, + y, + })); + }; + + // Get AI Edit for Generative Fill + const getEdit = async () => { + const img = currImg.current; + if (!img) return; + const canvas = canvasRef.current; + if (!canvas) return; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return; + setLoading(true); + setEdited(true); + try { + const canvasOriginalImg = ImageUtility.getCanvasImg(img); + if (!canvasOriginalImg) return; + const canvasMask = ImageUtility.getCanvasMask(canvas, canvasOriginalImg); + if (!canvasMask) return; + const maskBlob = await ImageUtility.canvasToBlob(canvasMask); + const imgBlob = await ImageUtility.canvasToBlob(canvasOriginalImg); + const res = await ImageUtility.getEdit(imgBlob, maskBlob, input !== '' ? input + ' in the same style' : 'Fill in the image in the same style', 2); + + // create first image + if (!newCollectionRef.current) { + createNewCollection(); + } else { + childrenDocs.current = []; + } + if (!(originalImg.current && imageRootDoc)) return; + // add the doc to the main freeform + await createNewImgDoc(originalImg.current, true); + originalImg.current = currImg.current; + originalDoc.current = parentDoc.current; + const { urls } = res as APISuccess; + if (res.status !== 'error') { + const imgUrls = await Promise.all(urls.map(url => ImageUtility.convertImgToCanvasUrl(url, canvasDims.width, canvasDims.height))); + const imgRes = await Promise.all( + imgUrls.map(async url => { + const saveRes = await onSave(url); + return { url, saveRes }; + }) + ); + setEdits(imgRes); + const image = new Image(); + image.src = imgUrls[0]; + ImageUtility.drawImgToCanvas(image, canvasRef, canvasDims.width, canvasDims.height); + currImg.current = image; + parentDoc.current = imgRes[0].saveRes ?? null; + } + } catch (err) { + console.log(err); + } + setLoading(false); + }; + + /** + * This function performs image cutting based on the inputted BrushMode. There are currently four ways to cut images: + * 1. By outlining the area that should be kept (BrushMode.IN) + * 2. By outlining the area that should be removed (BrushMode.OUT) + * 3. By drawing in the area that should be kept (where the image is brushed, the image will remain and everything else will be removed) (BrushMode.DRAW_IN) + * 4. By drawing the area that she be removed, so this operates as an eraser (BrushMode.ERASE) + * @param currCutType BrushMode enum that determines what kind of cutting operation to perform + * @param firstDoc boolean for whether it's the first edited image. This is for positioning of the edited images when they render on the canvas. + */ + const cutImage = async (currCutType: CutMode, brushWidth: number, prevEdits: { url: string; saveRes: Doc | undefined }[], firstDoc: boolean) => { + const img = currImg.current; + const canvas = canvasRef.current; + if (!canvas || !img) return; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return; + // get the original image + const canvasOriginalImg = ImageUtility.getCanvasImg(img); + if (!canvasOriginalImg) return; + setLoading(true); + const currPts = [...cutPts.current]; + if (currCutType !== CutMode.ERASE) handleReset(); // gets rid of the visible brush strokes (mostly needed for line_in) unless it's erasing (which depends on the brush strokes) + let minX = img.width; + let maxX = 0; + let minY = img.height; + let maxY = 0; + // currPts is populated by the brush strokes' points, so this code is drawing a path along the points + if (currPts.length) { + ctx.beginPath(); + ctx.moveTo(currPts[0].x, currPts[0].y); + for (let i = 0; i < currPts.length; i++) { + ctx.lineTo(currPts[i].x, currPts[i].y); + minX = Math.min(currPts[i].x, minX); + minY = Math.min(currPts[i].y, minY); + maxX = Math.max(currPts[i].x, maxX); + maxY = Math.max(currPts[i].y, maxY); + } + switch ( + currCutType // use different canvas operations depending on the type of cutting we're applying + ) { + case CutMode.IN: + ctx.closePath(); + ctx.globalCompositeOperation = 'destination-in'; + ctx.fill(); + break; + case CutMode.OUT: + ctx.closePath(); + ctx.globalCompositeOperation = 'destination-out'; + ctx.fill(); + break; + case CutMode.DRAW_IN: + ctx.globalCompositeOperation = 'destination-in'; + ctx.lineWidth = brushWidth + brushWidthOffset; // added offset because width gets cut off a little bit + ctx.stroke(); + break; + } + } + + const url = canvas.toDataURL(); + if (!newCollectionRef.current) { + createNewCollection(); + } + + const image = new Image(); + image.src = url; + image.onload = async () => { + let finalImg: HTMLImageElement | undefined = image; + let finalImgURL: string = url; + // crop the image for these brush modes to remove excess blank space around the image contents + if (currCutType == CutMode.IN || currCutType == CutMode.DRAW_IN) { + const croppedData = cropImage(image, Math.max(minX, 0), Math.min(maxX, image.width), Math.max(minY, 0), Math.min(maxY, image.height)); + finalImg = croppedData; + finalImgURL = croppedData.src; + } + currImg.current = finalImg; + const newImgDoc = await createNewImgDoc(finalImg, firstDoc); + if (newImgDoc) { + // set the image to transparent to remove the background / brushstrokes + const docData = newImgDoc[DocData]; + docData.backgroundColor = 'transparent'; + docData.disableMixBlend = true; + if (firstDoc) setIsFirstDoc(false); + setEdits([...prevEdits, { url: finalImgURL, saveRes: undefined }]); + } + setLoading(false); + cutPts.current.length = 0; + }; + }; + + /** + * Creates a new collection to put the image edits on. Adds to a new tab on the right if "Create New Collection" is checked. + * @returns + */ + const createNewCollection = () => { + if (!isNewCollection && imageRootDoc) { + // if the parent hasn't been set yet + if (!parentDoc.current) parentDoc.current = imageRootDoc; + } else { + if (!(originalImg.current && imageRootDoc)) return; + // create new collection and add it to the view + newCollectionRef.current = Docs.Create.FreeformDocument([], { + x: NumCast(imageRootDoc.x) + NumCast(imageRootDoc._width) + offsetX, + y: NumCast(imageRootDoc.y), + _width: newCollectionSize, + _height: newCollectionSize, + title: 'Image edit collection', + }); + DocUtils.MakeLink(imageRootDoc, newCollectionRef.current, { link_relationship: 'Image Edit Version History' }); + // opening new tab + CollectionDockingView.AddSplit(newCollectionRef.current, OpenWhereMod.right); + } + }; + + /** + * This function crops an image based on the inputted dimensions. This is used to automatically adjust the images that are + * edited to be smaller than the original (i.e. for cutting into a small part of the image) + */ + const cropImage = (image: HTMLImageElement, minX: number, maxX: number, minY: number, maxY: number) => { + const croppedCanvas = document.createElement('canvas'); + const croppedCtx = croppedCanvas.getContext('2d'); + if (!croppedCtx) return image; + const cropWidth = Math.abs(maxX - minX); + const cropHeight = Math.abs(maxY - minY); + croppedCanvas.width = cropWidth; + croppedCanvas.height = cropHeight; + croppedCtx.globalCompositeOperation = 'source-over'; + croppedCtx.clearRect(0, 0, cropWidth, cropHeight); + croppedCtx.drawImage(image, minX, minY, cropWidth, cropHeight, 0, 0, cropWidth, cropHeight); + const croppedURL = croppedCanvas.toDataURL(); + const croppedImage = new Image(); + croppedImage.src = croppedURL; + return croppedImage; + }; + + // adjusts all the img positions to be aligned + const adjustImgPositions = () => { + if (!parentDoc.current) return; + const startY = NumCast(parentDoc.current.y); + const children = DocListCast(parentDoc.current.gen_fill_children); + const len = children.length; + const initialYPositions: number[] = []; + for (let i = 0; i < len; i++) { + initialYPositions.push(startY + i * offsetDistanceY); + } + children.forEach((doc, i) => { + if (len % 2 === 1) { + doc.y = initialYPositions[i] - Math.floor(len / 2) * offsetDistanceY; + } else { + doc.y = initialYPositions[i] - (len / 2 - 1 / 2) * offsetDistanceY; + } + }); + }; + + // creates a new image document and returns its reference + const createNewImgDoc = async (img: HTMLImageElement, firstDoc: boolean /*, parent?: Doc */): Promise<Doc | undefined> => { + if (!imageRootDoc) return undefined; + const { src } = img; + const [result] = await Networking.PostToServer('/uploadRemoteImage', { sources: [src] }); + const source = ClientUtils.prepend(result.accessPaths.agnostic.client); + + if (firstDoc) { + const x = 0; + const initialY = 0; + const newImg = Docs.Create.ImageDocument(source, { + x: x, + y: initialY, + _height: freeformRenderSize, + _width: freeformRenderSize, + data_nativeWidth: result.nativeWidth, + data_nativeHeight: result.nativeHeight, + }); + if (isNewCollection && newCollectionRef.current) { + Doc.AddDocToList(newCollectionRef.current, undefined, newImg); + } else { + addDoc?.(newImg); + } + parentDoc.current = newImg; + return newImg; + } + if (!parentDoc.current) return undefined; + const x = NumCast(parentDoc.current.x) + freeformRenderSize + offsetX; + const initialY = 0; + + const newImg = Docs.Create.ImageDocument(source, { + x: x, + y: initialY, + _height: freeformRenderSize, + _width: freeformRenderSize, + data_nativeWidth: result.nativeWidth, + data_nativeHeight: result.nativeHeight, + }); + + const parentList = DocListCast(parentDoc.current.gen_fill_children); + if (parentList.length > 0) { + parentList.push(newImg); + parentDoc.current.gen_fill_children = new List<Doc>(parentList); + } else { + parentDoc.current.gen_fill_children = new List<Doc>([newImg]); + } + + DocUtils.MakeLink(parentDoc.current, newImg, { link_relationship: `Image edit; Prompt: ${input}` }); + adjustImgPositions(); + + if (isNewCollection && newCollectionRef.current) { + Doc.AddDocToList(newCollectionRef.current, undefined, newImg); + } else { + addDoc?.(newImg); + } + return newImg; + }; + + // Saves an image to the collection + const onSave = async (src: string) => { + const img = new Image(); + img.src = src; + if (!currImg.current || !originalImg.current || !imageRootDoc) return undefined; + try { + return await createNewImgDoc(img, false); + } catch (err) { + console.log(err); + } + return undefined; + }; + + // Closes the editor view + const handleViewClose = () => { + ImageEditorData.Open = false; + ImageEditorData.Source = ''; + if (newCollectionRef.current) { + DocumentView.addViewRenderedCb(newCollectionRef.current, dv => (dv.ComponentView as CollectionFreeFormView)?.fitContentOnce()); + } + setEdits([]); + setIsFirstDoc(true); + }; + + // defines the tools and sets current tool + const genFillTool: ImageEditTool = { type: ImageToolType.GenerativeFill, name: 'Generative Fill', btnText: 'GET EDITS', icon: 'fill', applyFunc: getEdit, sliderMin: 25, sliderMax: 500, sliderDefault: 150 }; + const cutTool: ImageEditTool = { type: ImageToolType.Cut, name: 'Cut', btnText: 'CUT IMAGE', icon: 'scissors', applyFunc: cutImage, sliderMin: 1, sliderMax: 50, sliderDefault: 5 }; + const imageEditTools: ImageEditTool[] = [genFillTool, cutTool]; + const [currTool, setCurrTool] = useState<ImageEditTool>(genFillTool); + + // the top controls for making a new collection, resetting, and applying edits, + function renderControls() { + return ( + <div className="imageEditorTopBar"> + <h1>Image Editor</h1> + {/* <IconButton text="Cut out" icon={<FontAwesomeIcon icon="scissors" />} /> */} + <div className="imageEditorControls"> + <FormControlLabel + control={ + <Checkbox + // disable once edited has been clicked (doesn't make sense to change after first edit) + disabled={edited} + checked={isNewCollection} + onChange={() => setIsNewCollection(prev => !prev)} + /> + } + label="Create New Collection" + labelPlacement="end" + sx={{ whiteSpace: 'nowrap' }} + /> + <ApplyFuncButtons onClick={() => currTool.applyFunc(cutType, cursorData.width, edits, isFirstDoc)} loading={loading} onReset={handleReset} btnText={currTool.btnText} /> + <IconButton color={activeColor} tooltip="close" icon={<CgClose size="16px" />} onClick={handleViewClose} /> + </div> + </div> + ); + } + + // the side icons including tool type, the slider, and undo/redo + function renderSideIcons() { + return ( + <div className="sideControlsContainer" style={{ backgroundColor: bgColor }}> + <div className="sideControls"> + <div className="imageToolsContainer">{imageEditTools.map(tool => ImageToolButton(tool, tool.type === currTool.type, changeTool))}</div> + {currTool.type == ImageToolType.Cut && ( + <div className="cutToolsContainer"> + <Button style={{ width: '100%' }} text="Keep in" type={Type.TERT} color={cutType == CutMode.IN ? SettingsManager.userColor : bgColor} onClick={() => setCutType(CutMode.IN)} /> + <Button style={{ width: '100%' }} text="Keep out" type={Type.TERT} color={cutType == CutMode.OUT ? SettingsManager.userColor : bgColor} onClick={() => setCutType(CutMode.OUT)} /> + <Button style={{ width: '100%' }} text="Draw in" type={Type.TERT} color={cutType == CutMode.DRAW_IN ? SettingsManager.userColor : bgColor} onClick={() => setCutType(CutMode.DRAW_IN)} /> + <Button style={{ width: '100%' }} text="Erase" type={Type.TERT} color={cutType == CutMode.ERASE ? SettingsManager.userColor : bgColor} onClick={() => setCutType(CutMode.ERASE)} /> + </div> + )} + <div className="sliderContainer" onPointerDown={e => e.stopPropagation()}> + {currTool.type === ImageToolType.GenerativeFill && ( + <Slider + sx={{ + '& input[type="range"]': { + WebkitAppearance: 'slider-vertical', + }, + }} + orientation="vertical" + min={genFillTool.sliderMin} + max={genFillTool.sliderMax} + defaultValue={genFillTool.sliderDefault} + size="small" + valueLabelDisplay="auto" + onChange={(e, val) => setCursorData(prev => ({ ...prev, width: val as number }))} + /> + )} + {currTool.type === ImageToolType.Cut && ( + <Slider + sx={{ + '& input[type="range"]': { + WebkitAppearance: 'slider-vertical', + }, + }} + orientation="vertical" + min={cutTool.sliderMin} + max={cutTool.sliderMax} + defaultValue={cutTool.sliderDefault} + size="small" + valueLabelDisplay="auto" + onChange={(e, val) => setCursorData(prev => ({ ...prev, width: val as number }))} + /> + )} + </div> + {/* Undo and Redo */} + <div className="undoRedoContainer"> + <IconButton + style={{ cursor: 'pointer' }} + onPointerDown={e => { + e.stopPropagation(); + handleUndo(); + }} + onPointerUp={e => e.stopPropagation()} + color={activeColor} + tooltip="Undo" + icon={<IoMdUndo />} + /> + <IconButton + style={{ cursor: 'pointer' }} + onPointerDown={e => { + e.stopPropagation(); + handleRedo(); + }} + onPointerUp={e => e.stopPropagation()} + color={activeColor} + tooltip="Redo" + icon={<IoMdRedo />} + /> + </div> + </div> + </div> + ); + } + + // circular pointer for drawing/erasing + function renderPointer() { + return ( + <div + className="pointer" + style={{ + left: cursorData.x, + top: cursorData.y, + width: cursorData.width, + height: cursorData.width, + }}> + <div className="innerPointer" /> + </div> + ); + } + + // the previews for each edit + function renderEditThumbnails() { + return ( + <div className="editsBox"> + {edits.map(edit => ( + <img + key={edit.url} + alt="image edits" + width={75} + src={edit.url} + onClick={async () => { + const img = new Image(); + img.src = edit.url; + ImageUtility.drawImgToCanvas(img, canvasRef, img.width, img.height); + currImg.current = img; + parentDoc.current = edit.saveRes ?? null; + }} + /> + ))} + {/* Original img thumbnail */} + {edits.length > 0 && ( + <div style={{ position: 'relative' }}> + <label className="originalImageLabel">Original</label> + <img + alt="image stuff" + width={75} + src={originalImg.current?.src} + onClick={() => { + if (!originalImg.current) return; + const img = new Image(); + img.src = originalImg.current.src; + ImageUtility.drawImgToCanvas(img, canvasRef, canvasDims.width, canvasDims.height); + currImg.current = img; + if (!parentDoc.current) parentDoc.current = originalDoc.current; + }} + /> + </div> + )} + </div> + ); + } + + // the prompt box for generative fill + function renderPromptBox() { + return ( + <div> + <TextField + value={input} + onChange={e => setInput(e.target.value)} + disabled={isBrushing} + type="text" + label="Prompt" + placeholder="Prompt..." + InputLabelProps={{ style: { fontSize: '16px' } }} + inputProps={{ style: { fontSize: '16px' } }} + sx={{ + backgroundColor: '#ffffff', + position: 'absolute', + bottom: '16px', + transform: 'translateX(calc(50vw - 50%))', + width: 'calc(100vw - 64px)', + }} + /> + </div> + ); + } + + return ( + <div className="imageEditorContainer" style={{ display: imageEditorOpen ? 'flex' : 'none' }}> + {renderControls()} + {/* Main canvas for editing */} + <div + className="drawingArea" // this only works if pointerevents: none is set on the custom pointer + ref={drawingAreaRef} + onPointerOver={updateCursorData} + onPointerMove={updateCursorData} + onPointerDown={handlePointerDown} + onPointerUp={handlePointerUp}> + <canvas ref={canvasRef} width={canvasDims.width} height={canvasDims.height} style={{ transform: `scale(${canvasScale})` }} /> + <canvas ref={canvasBackgroundRef} width={canvasDims.width} height={canvasDims.height} style={{ transform: `scale(${canvasScale})` }} /> + {renderPointer()} + {renderSideIcons()} + {renderEditThumbnails()} + </div> + {currTool.type === ImageToolType.GenerativeFill && renderPromptBox()} + </div> + ); +}; + +export default ImageEditor; diff --git a/src/client/views/nodes/imageEditor/ImageEditorButtons.tsx b/src/client/views/nodes/imageEditor/ImageEditorButtons.tsx new file mode 100644 index 000000000..985dc914f --- /dev/null +++ b/src/client/views/nodes/imageEditor/ImageEditorButtons.tsx @@ -0,0 +1,69 @@ +import './GenerativeFillButtons.scss'; +import * as React from 'react'; +import ReactLoading from 'react-loading'; +import { Button, IconButton, Type } from '@dash/components'; +import { AiOutlineInfo } from 'react-icons/ai'; +import { bgColor } from './imageEditorUtils/imageEditorConstants'; +import { ImageEditTool, ImageToolType } from './imageEditorUtils/imageEditorInterfaces'; +import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'; +import { SettingsManager } from '../../../util/SettingsManager'; + +interface ButtonContainerProps { + onClick: () => Promise<void>; + loading: boolean; + onReset: () => void; + btnText: string; +} + +export function ApplyFuncButtons({ loading, onClick: getEdit, onReset, btnText }: ButtonContainerProps) { + return ( + <div className="generativeFillBtnContainer"> + <Button text="RESET" type={Type.PRIM} color={SettingsManager.userVariantColor} onClick={onReset} /> + {loading ? ( + <Button + text={btnText} + type={Type.TERT} + color={SettingsManager.userVariantColor} + icon={<ReactLoading type="spin" color="#ffffff" width={20} height={20} />} + iconPlacement="right" + onClick={() => { + if (!loading) getEdit(); + }} + /> + ) : ( + <Button + text={btnText} + type={Type.TERT} + color={SettingsManager.userVariantColor} + onClick={() => { + if (!loading) getEdit(); + }} + /> + )} + <IconButton + type={Type.SEC} + color={SettingsManager.userVariantColor} + tooltip="Open Documentation" + icon={<AiOutlineInfo size="16px" />} + onClick={() => window.open('https://brown-dash.github.io/Dash-Documentation/features/generativeai/#editing', '_blank')} + /> + </div> + ); +} + +export function ImageToolButton(tool: ImageEditTool, isActive: boolean, selectTool: (type: ImageToolType) => void) { + return ( + <div key={tool.name} className="imageEditorButtonContainer"> + <Button + style={{ width: '100%' }} + text={tool.name} + type={Type.TERT} + color={isActive ? SettingsManager.userVariantColor : bgColor} + icon={<FontAwesomeIcon icon={tool.icon} />} + onClick={() => { + selectTool(tool.type); + }} + /> + </div> + ); +} diff --git a/src/client/views/nodes/imageEditor/imageEditorUtils/BrushHandler.ts b/src/client/views/nodes/imageEditor/imageEditorUtils/BrushHandler.ts new file mode 100644 index 000000000..ed39375e0 --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageEditorUtils/BrushHandler.ts @@ -0,0 +1,29 @@ +import { GenerativeFillMathHelpers } from './GenerativeFillMathHelpers'; +import { eraserColor } from './imageEditorConstants'; +import { Point } from './imageEditorInterfaces'; + +export class BrushHandler { + static brushCircleOverlay = (x: number, y: number, brushRadius: number, ctx: CanvasRenderingContext2D, fillColor: string /* , erase: boolean */) => { + ctx.globalCompositeOperation = 'destination-out'; + ctx.fillStyle = fillColor; + ctx.shadowColor = eraserColor; + ctx.shadowBlur = 5; + ctx.beginPath(); + ctx.arc(x, y, brushRadius, 0, 2 * Math.PI); + ctx.fill(); + ctx.closePath(); + }; + + static createBrushPathOverlay = (startPoint: Point, endPoint: Point, brushRadius: number, ctx: CanvasRenderingContext2D, fillColor: string) => { + const dist = GenerativeFillMathHelpers.distanceBetween(startPoint, endPoint); + const pts: Point[] = []; + for (let i = 0; i < dist; i += 5) { + const s = i / dist; + const x = startPoint.x * (1 - s) + endPoint.x * s; + const y = startPoint.y * (1 - s) + endPoint.y * s; + pts.push({ x: startPoint.x, y: startPoint.y }); + BrushHandler.brushCircleOverlay(x, y, brushRadius, ctx, fillColor); + } + return pts; + }; +} diff --git a/src/client/views/nodes/imageEditor/imageEditorUtils/GenerativeFillMathHelpers.ts b/src/client/views/nodes/imageEditor/imageEditorUtils/GenerativeFillMathHelpers.ts new file mode 100644 index 000000000..f820300f3 --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageEditorUtils/GenerativeFillMathHelpers.ts @@ -0,0 +1,6 @@ +import { Point } from './imageEditorInterfaces'; + +export class GenerativeFillMathHelpers { + static distanceBetween = (p1: Point, p2: Point) => Math.sqrt((p2.x - p1.x) ** 2 + (p2.y - p1.y) ** 2); + static angleBetween = (p1: Point, p2: Point) => Math.atan2(p2.x - p1.x, p2.y - p1.y); +} diff --git a/src/client/views/nodes/imageEditor/imageEditorUtils/ImageHandler.ts b/src/client/views/nodes/imageEditor/imageEditorUtils/ImageHandler.ts new file mode 100644 index 000000000..ece0f4d7f --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageEditorUtils/ImageHandler.ts @@ -0,0 +1,312 @@ +import { RefObject } from 'react'; +import { bgColor, canvasSize } from './imageEditorConstants'; + +export interface APISuccess { + status: 'success'; + urls: string[]; +} + +export interface APIError { + status: 'error'; + message: string; +} + +export class ImageUtility { + /** + * + * @param canvas Canvas to convert + * @returns Blob of canvas + */ + static canvasToBlob = (canvas: HTMLCanvasElement): Promise<Blob> => + new Promise(resolve => { + canvas.toBlob(blob => { + if (blob) { + resolve(blob); + } + }, 'image/png'); + }); + + // given a square api image, get the cropped img + static getCroppedImg = (img: HTMLImageElement, width: number, height: number): HTMLCanvasElement | undefined => { + // Create a new canvas element + const canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + const ctx = canvas.getContext('2d'); + if (ctx) { + // Clear the canvas + ctx.clearRect(0, 0, canvas.width, canvas.height); + if (width < height) { + // horizontal padding, x offset + const xOffset = (canvasSize - width) / 2; + ctx.drawImage(img, xOffset, 0, canvas.width, canvas.height, 0, 0, canvas.width, canvas.height); + } else { + // vertical padding, y offset + const yOffset = (canvasSize - height) / 2; + ctx.drawImage(img, 0, yOffset, canvas.width, canvas.height, 0, 0, canvas.width, canvas.height); + } + return canvas; + } + return undefined; + }; + + // converts an image to a canvas data url + static convertImgToCanvasUrl = async (imageSrc: string, width: number, height: number): Promise<string> => + new Promise<string>((resolve, reject) => { + const img = new Image(); + img.onload = () => { + const canvas = this.getCroppedImg(img, width, height); + if (canvas) { + const dataUrl = canvas.toDataURL(); + resolve(dataUrl); + } + }; + img.onerror = error => { + reject(error); + }; + img.src = imageSrc; + }); + + // calls the openai api to get image edits + static getEdit = async (imgBlob: Blob, maskBlob: Blob, prompt: string, n?: number): Promise<APISuccess | APIError> => { + const apiUrl = 'https://api.openai.com/v1/images/edits'; + const fd = new FormData(); + fd.append('image', imgBlob, 'image.png'); + fd.append('mask', maskBlob, 'mask.png'); + fd.append('prompt', prompt); + fd.append('size', '1024x1024'); + fd.append('n', n ? JSON.stringify(n) : '1'); + fd.append('response_format', 'b64_json'); + + try { + const res = await fetch(apiUrl, { + method: 'POST', + headers: { + Authorization: `Bearer ${process.env.OPENAI_KEY}`, + }, + body: fd, + }); + const data = await res.json(); + console.log(data.data); + return { + status: 'success', + urls: (data.data as { b64_json: string }[]).map(urlData => `data:image/png;base64,${urlData.b64_json}`), + }; + } catch (err) { + console.log(err); + return { status: 'error', message: 'API error.' }; + } + }; + + // mock api call + static mockGetEdit = async (mockSrc: string): Promise<APISuccess | APIError> => ({ + status: 'success', + urls: [mockSrc, mockSrc, mockSrc], + }); + + // Gets the canvas rendering context of a canvas + static getCanvasContext = (canvasRef: RefObject<HTMLCanvasElement>): CanvasRenderingContext2D | null => { + if (!canvasRef.current) return null; + const ctx = canvasRef.current.getContext('2d'); + if (!ctx) return null; + return ctx; + }; + + // Helper for downloading the canvas (for debugging) + static downloadCanvas = (canvas: HTMLCanvasElement) => { + const url = canvas.toDataURL(); + const downloadLink = document.createElement('a'); + downloadLink.href = url; + downloadLink.download = 'canvas'; + + downloadLink.click(); + downloadLink.remove(); + }; + + // Download the canvas (for debugging) + static downloadImageCanvas = (imgUrl: string) => { + const img = new Image(); + img.src = imgUrl; + img.onload = () => { + const canvas = document.createElement('canvas'); + canvas.width = canvasSize; + canvas.height = canvasSize; + const ctx = canvas.getContext('2d'); + ctx?.drawImage(img, 0, 0, canvasSize, canvasSize); + + this.downloadCanvas(canvas); + }; + }; + + // Clears the canvas + static clearCanvas = (canvasRef: React.RefObject<HTMLCanvasElement>) => { + const ctx = this.getCanvasContext(canvasRef); + if (!ctx || !canvasRef.current) return; + ctx.clearRect(0, 0, canvasRef.current.width, canvasRef.current.height); + }; + + // Draws the image to the current canvas + static drawImgToCanvas = (img: HTMLImageElement, canvasRef: React.RefObject<HTMLCanvasElement>, width: number, height: number) => { + const drawImg = (htmlImg: HTMLImageElement) => { + const ctx = this.getCanvasContext(canvasRef); + if (!ctx) return; + ctx.globalCompositeOperation = 'source-over'; + ctx.clearRect(0, 0, canvasRef.current?.width || width, canvasRef.current?.height || height); + ctx.drawImage(htmlImg, 0, 0, width, height); + }; + + if (img.complete) { + drawImg(img); + } else { + img.onload = () => { + drawImg(img); + }; + } + }; + + // Gets the image mask for the openai endpoint + static getCanvasMask = (srcCanvas: HTMLCanvasElement, paddedCanvas: HTMLCanvasElement): HTMLCanvasElement | undefined => { + const canvas = document.createElement('canvas'); + canvas.width = canvasSize; + canvas.height = canvasSize; + const ctx = canvas.getContext('2d'); + if (!ctx) return undefined; + ctx?.clearRect(0, 0, canvasSize, canvasSize); + ctx.drawImage(paddedCanvas, 0, 0); + + // extract and set padding data + if (srcCanvas.height > srcCanvas.width) { + // horizontal padding, x offset + const xOffset = (canvasSize - srcCanvas.width) / 2; + ctx?.clearRect(xOffset, 0, srcCanvas.width, srcCanvas.height); + ctx.drawImage(srcCanvas, xOffset, 0, srcCanvas.width, srcCanvas.height); + } else { + // vertical padding, y offset + const yOffset = (canvasSize - srcCanvas.height) / 2; + ctx?.clearRect(0, yOffset, srcCanvas.width, srcCanvas.height); + ctx.drawImage(srcCanvas, 0, yOffset, srcCanvas.width, srcCanvas.height); + } + return canvas; + }; + + // Fills in the blank areas of the image with an image reflection (to fill in a square-shaped canvas) + static drawHorizontalReflection = (ctx: CanvasRenderingContext2D, canvas: HTMLCanvasElement, xOffset: number) => { + const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height); + const { data } = imageData; + for (let i = 0; i < canvas.height; i++) { + for (let j = 0; j < xOffset; j++) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceI = i; + const sourceJ = xOffset + (xOffset - j); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + for (let i = 0; i < canvas.height; i++) { + for (let j = canvas.width - 1; j >= canvas.width - 1 - xOffset; j--) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceI = i; + const sourceJ = canvas.width - 1 - xOffset - (xOffset - (canvas.width - j)); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + ctx.putImageData(imageData, 0, 0); + }; + + // Fills in the blank areas of the image with an image reflection (to fill in a square-shaped canvas) + static drawVerticalReflection = (ctx: CanvasRenderingContext2D, canvas: HTMLCanvasElement, yOffset: number) => { + const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height); + const { data } = imageData; + for (let j = 0; j < canvas.width; j++) { + for (let i = 0; i < yOffset; i++) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceJ = j; + const sourceI = yOffset + (yOffset - i); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + for (let j = 0; j < canvas.width; j++) { + for (let i = canvas.height - 1; i >= canvas.height - 1 - yOffset; i--) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceJ = j; + const sourceI = canvas.height - 1 - yOffset - (yOffset - (canvas.height - i)); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + ctx.putImageData(imageData, 0, 0); + }; + + // Gets the unaltered (besides filling in padding) version of the image for the api call + static getCanvasImg = (img: HTMLImageElement): HTMLCanvasElement | undefined => { + const canvas = document.createElement('canvas'); + canvas.width = canvasSize; + canvas.height = canvasSize; + const ctx = canvas.getContext('2d'); + if (!ctx) return undefined; + // fix scaling + const scale = Math.min(canvasSize / img.width, canvasSize / img.height); + const width = Math.floor(img.width * scale); + const height = Math.floor(img.height * scale); + ctx?.clearRect(0, 0, canvasSize, canvasSize); + ctx.fillStyle = bgColor; + ctx.fillRect(0, 0, canvasSize, canvasSize); + + // extract and set padding data + if (img.naturalHeight > img.naturalWidth) { + // horizontal padding, x offset + const xOffset = Math.floor((canvasSize - width) / 2); + ctx.drawImage(img, xOffset, 0, width, height); + + // draw reflected image padding + this.drawHorizontalReflection(ctx, canvas, xOffset); + } else { + // vertical padding, y offset + const yOffset = Math.floor((canvasSize - height) / 2); + ctx.drawImage(img, 0, yOffset, width, height); + + // draw reflected image padding + this.drawVerticalReflection(ctx, canvas, yOffset); + } + return canvas; + }; + + /** + * Converts a url to base64 (tainted canvas workaround) + */ + static urlToBase64 = async (imageUrl: string): Promise<string | undefined> => { + try { + const res = await fetch(imageUrl); + const blob = await res.blob(); + + return new Promise<string>((resolve, reject) => { + const reader = new FileReader(); + reader.onload = () => { + const base64Data = reader.result?.toString().split(',')[1]; + if (base64Data) { + resolve(base64Data); + } else { + reject(new Error('Failed to convert.')); + } + }; + reader.onerror = () => { + reject(new Error('Error reading image data')); + }; + reader.readAsDataURL(blob); + }); + } catch (err) { + console.error(err); + } + return undefined; + }; +} diff --git a/src/client/views/nodes/imageEditor/imageEditorUtils/PointerHandler.ts b/src/client/views/nodes/imageEditor/imageEditorUtils/PointerHandler.ts new file mode 100644 index 000000000..e86f46636 --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageEditorUtils/PointerHandler.ts @@ -0,0 +1,11 @@ +import { Point } from './imageEditorInterfaces'; + +export class PointerHandler { + static getPointRelativeToElement = (element: HTMLElement, e: React.PointerEvent | PointerEvent, scale: number): Point => { + const boundingBox = element.getBoundingClientRect(); + return { + x: (e.clientX - boundingBox.x) / scale, + y: (e.clientY - boundingBox.y) / scale, + }; + }; +} diff --git a/src/client/views/nodes/imageEditor/imageEditorUtils/imageEditorConstants.ts b/src/client/views/nodes/imageEditor/imageEditorUtils/imageEditorConstants.ts new file mode 100644 index 000000000..594d6d9fc --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageEditorUtils/imageEditorConstants.ts @@ -0,0 +1,10 @@ +export const canvasSize = 1024; +export const freeformRenderSize = 300; +export const offsetDistanceY = freeformRenderSize + 400; +export const offsetX = 200; +export const newCollectionSize = 500; +export const brushWidthOffset = 10; + +export const activeColor = '#1976d2'; +export const eraserColor = '#e1e9ec'; +export const bgColor = '#f0f4f6'; diff --git a/src/client/views/nodes/imageEditor/imageEditorUtils/imageEditorInterfaces.ts b/src/client/views/nodes/imageEditor/imageEditorUtils/imageEditorInterfaces.ts new file mode 100644 index 000000000..a14b55439 --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageEditorUtils/imageEditorInterfaces.ts @@ -0,0 +1,43 @@ +import { IconProp } from '@fortawesome/fontawesome-svg-core'; +import { Doc } from '../../../../../fields/Doc'; + +export interface CursorData { + x: number; + y: number; + width: number; +} + +export interface Point { + x: number; + y: number; +} + +export enum ImageToolType { + GenerativeFill = 'genFill', + Cut = 'cut', +} + +export enum CutMode { + IN, + OUT, + DRAW_IN, + ERASE, +} + +export interface ImageEditTool { + type: ImageToolType; + name: string; + btnText: string; + icon: IconProp; + // this is the function that the image tool applies, so it can be defined depending on the tool + applyFunc: (currCutType: CutMode, brushWidth: number, prevEdits: { url: string; saveRes: Doc | undefined }[], isFirstDoc: boolean) => Promise<void>; + // these optional parameters are here because different tools require different brush sizes and defaults + sliderMin?: number; + sliderMax?: number; + sliderDefault?: number; +} + +export interface ImageDimensions { + width: number; + height: number; +} diff --git a/src/client/views/nodes/imageEditor/imageToolUtils/BrushHandler.ts b/src/client/views/nodes/imageEditor/imageToolUtils/BrushHandler.ts new file mode 100644 index 000000000..7139bebc3 --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageToolUtils/BrushHandler.ts @@ -0,0 +1,35 @@ +import { GenerativeFillMathHelpers } from '../imageEditorUtils/GenerativeFillMathHelpers'; +import { eraserColor } from '../imageEditorUtils/imageEditorConstants'; +import { Point } from '../imageEditorUtils/imageEditorInterfaces'; +import { points } from '@turf/turf'; + +export enum BrushType { + GEN_FILL, + CUT, +} + +export class BrushHandler { + static brushCircleOverlay = (x: number, y: number, brushRadius: number, ctx: CanvasRenderingContext2D, fillColor: string /* , erase: boolean */) => { + ctx.globalCompositeOperation = 'destination-out'; + ctx.fillStyle = fillColor; + ctx.shadowColor = eraserColor; + ctx.shadowBlur = 5; + ctx.beginPath(); + ctx.arc(x, y, brushRadius, 0, 2 * Math.PI); + ctx.fill(); + ctx.closePath(); + }; + + static createBrushPathOverlay = (startPoint: Point, endPoint: Point, brushRadius: number, ctx: CanvasRenderingContext2D, fillColor: string, brushType: BrushType) => { + const dist = GenerativeFillMathHelpers.distanceBetween(startPoint, endPoint); + const pts: Point[] = []; + for (let i = 0; i < dist; i += 5) { + const s = i / dist; + const x = startPoint.x * (1 - s) + endPoint.x * s; + const y = startPoint.y * (1 - s) + endPoint.y * s; + pts.push({ x: startPoint.x, y: startPoint.y }); + BrushHandler.brushCircleOverlay(x, y, brushRadius, ctx, fillColor); + } + return pts; + }; +} diff --git a/src/client/views/nodes/imageEditor/imageToolUtils/ImageHandler.ts b/src/client/views/nodes/imageEditor/imageToolUtils/ImageHandler.ts new file mode 100644 index 000000000..b9723b5be --- /dev/null +++ b/src/client/views/nodes/imageEditor/imageToolUtils/ImageHandler.ts @@ -0,0 +1,312 @@ +import { RefObject } from 'react'; +import { bgColor, canvasSize } from '../imageEditorUtils/imageEditorConstants'; + +export interface APISuccess { + status: 'success'; + urls: string[]; +} + +export interface APIError { + status: 'error'; + message: string; +} + +export class ImageUtility { + /** + * + * @param canvas Canvas to convert + * @returns Blob of canvas + */ + static canvasToBlob = (canvas: HTMLCanvasElement): Promise<Blob> => + new Promise(resolve => { + canvas.toBlob(blob => { + if (blob) { + resolve(blob); + } + }, 'image/png'); + }); + + // given a square api image, get the cropped img + static getCroppedImg = (img: HTMLImageElement, width: number, height: number): HTMLCanvasElement | undefined => { + // Create a new canvas element + const canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + const ctx = canvas.getContext('2d'); + if (ctx) { + // Clear the canvas + ctx.clearRect(0, 0, canvas.width, canvas.height); + if (width < height) { + // horizontal padding, x offset + const xOffset = (canvasSize - width) / 2; + ctx.drawImage(img, xOffset, 0, canvas.width, canvas.height, 0, 0, canvas.width, canvas.height); + } else { + // vertical padding, y offset + const yOffset = (canvasSize - height) / 2; + ctx.drawImage(img, 0, yOffset, canvas.width, canvas.height, 0, 0, canvas.width, canvas.height); + } + return canvas; + } + return undefined; + }; + + // converts an image to a canvas data url + static convertImgToCanvasUrl = async (imageSrc: string, width: number, height: number): Promise<string> => + new Promise<string>((resolve, reject) => { + const img = new Image(); + img.onload = () => { + const canvas = this.getCroppedImg(img, width, height); + if (canvas) { + const dataUrl = canvas.toDataURL(); + resolve(dataUrl); + } + }; + img.onerror = error => { + reject(error); + }; + img.src = imageSrc; + }); + + // calls the openai api to get image edits + static getEdit = async (imgBlob: Blob, maskBlob: Blob, prompt: string, n?: number): Promise<APISuccess | APIError> => { + const apiUrl = 'https://api.openai.com/v1/images/edits'; + const fd = new FormData(); + fd.append('image', imgBlob, 'image.png'); + fd.append('mask', maskBlob, 'mask.png'); + fd.append('prompt', prompt); + fd.append('size', '1024x1024'); + fd.append('n', n ? JSON.stringify(n) : '1'); + fd.append('response_format', 'b64_json'); + + try { + const res = await fetch(apiUrl, { + method: 'POST', + headers: { + Authorization: `Bearer ${process.env.OPENAI_KEY}`, + }, + body: fd, + }); + const data = await res.json(); + console.log(data.data); + return { + status: 'success', + urls: (data.data as { b64_json: string }[]).map(urlData => `data:image/png;base64,${urlData.b64_json}`), + }; + } catch (err) { + console.log(err); + return { status: 'error', message: 'API error.' }; + } + }; + + // mock api call + static mockGetEdit = async (mockSrc: string): Promise<APISuccess | APIError> => ({ + status: 'success', + urls: [mockSrc, mockSrc, mockSrc], + }); + + // Gets the canvas rendering context of a canvas + static getCanvasContext = (canvasRef: RefObject<HTMLCanvasElement>): CanvasRenderingContext2D | null => { + if (!canvasRef.current) return null; + const ctx = canvasRef.current.getContext('2d'); + if (!ctx) return null; + return ctx; + }; + + // Helper for downloading the canvas (for debugging) + static downloadCanvas = (canvas: HTMLCanvasElement) => { + const url = canvas.toDataURL(); + const downloadLink = document.createElement('a'); + downloadLink.href = url; + downloadLink.download = 'canvas'; + + downloadLink.click(); + downloadLink.remove(); + }; + + // Download the canvas (for debugging) + static downloadImageCanvas = (imgUrl: string) => { + const img = new Image(); + img.src = imgUrl; + img.onload = () => { + const canvas = document.createElement('canvas'); + canvas.width = canvasSize; + canvas.height = canvasSize; + const ctx = canvas.getContext('2d'); + ctx?.drawImage(img, 0, 0, canvasSize, canvasSize); + + this.downloadCanvas(canvas); + }; + }; + + // Clears the canvas + static clearCanvas = (canvasRef: React.RefObject<HTMLCanvasElement>) => { + const ctx = this.getCanvasContext(canvasRef); + if (!ctx || !canvasRef.current) return; + ctx.clearRect(0, 0, canvasRef.current.width, canvasRef.current.height); + }; + + // Draws the image to the current canvas + static drawImgToCanvas = (img: HTMLImageElement, canvasRef: React.RefObject<HTMLCanvasElement>, width: number, height: number) => { + const drawImg = (htmlImg: HTMLImageElement) => { + const ctx = this.getCanvasContext(canvasRef); + if (!ctx) return; + ctx.globalCompositeOperation = 'source-over'; + ctx.clearRect(0, 0, width, height); + ctx.drawImage(htmlImg, 0, 0, width, height); + }; + + if (img.complete) { + drawImg(img); + } else { + img.onload = () => { + drawImg(img); + }; + } + }; + + // Gets the image mask for the openai endpoint + static getCanvasMask = (srcCanvas: HTMLCanvasElement, paddedCanvas: HTMLCanvasElement): HTMLCanvasElement | undefined => { + const canvas = document.createElement('canvas'); + canvas.width = canvasSize; + canvas.height = canvasSize; + const ctx = canvas.getContext('2d'); + if (!ctx) return undefined; + ctx?.clearRect(0, 0, canvasSize, canvasSize); + ctx.drawImage(paddedCanvas, 0, 0); + + // extract and set padding data + if (srcCanvas.height > srcCanvas.width) { + // horizontal padding, x offset + const xOffset = (canvasSize - srcCanvas.width) / 2; + ctx?.clearRect(xOffset, 0, srcCanvas.width, srcCanvas.height); + ctx.drawImage(srcCanvas, xOffset, 0, srcCanvas.width, srcCanvas.height); + } else { + // vertical padding, y offset + const yOffset = (canvasSize - srcCanvas.height) / 2; + ctx?.clearRect(0, yOffset, srcCanvas.width, srcCanvas.height); + ctx.drawImage(srcCanvas, 0, yOffset, srcCanvas.width, srcCanvas.height); + } + return canvas; + }; + + // Fills in the blank areas of the image with an image reflection (to fill in a square-shaped canvas) + static drawHorizontalReflection = (ctx: CanvasRenderingContext2D, canvas: HTMLCanvasElement, xOffset: number) => { + const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height); + const { data } = imageData; + for (let i = 0; i < canvas.height; i++) { + for (let j = 0; j < xOffset; j++) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceI = i; + const sourceJ = xOffset + (xOffset - j); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + for (let i = 0; i < canvas.height; i++) { + for (let j = canvas.width - 1; j >= canvas.width - 1 - xOffset; j--) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceI = i; + const sourceJ = canvas.width - 1 - xOffset - (xOffset - (canvas.width - j)); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + ctx.putImageData(imageData, 0, 0); + }; + + // Fills in the blank areas of the image with an image reflection (to fill in a square-shaped canvas) + static drawVerticalReflection = (ctx: CanvasRenderingContext2D, canvas: HTMLCanvasElement, yOffset: number) => { + const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height); + const { data } = imageData; + for (let j = 0; j < canvas.width; j++) { + for (let i = 0; i < yOffset; i++) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceJ = j; + const sourceI = yOffset + (yOffset - i); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + for (let j = 0; j < canvas.width; j++) { + for (let i = canvas.height - 1; i >= canvas.height - 1 - yOffset; i--) { + const targetIdx = 4 * (i * canvas.width + j); + const sourceJ = j; + const sourceI = canvas.height - 1 - yOffset - (yOffset - (canvas.height - i)); + const sourceIdx = 4 * (sourceI * canvas.width + sourceJ); + data[targetIdx] = data[sourceIdx]; + data[targetIdx + 1] = data[sourceIdx + 1]; + data[targetIdx + 2] = data[sourceIdx + 2]; + } + } + ctx.putImageData(imageData, 0, 0); + }; + + // Gets the unaltered (besides filling in padding) version of the image for the api call + static getCanvasImg = (img: HTMLImageElement): HTMLCanvasElement | undefined => { + const canvas = document.createElement('canvas'); + canvas.width = canvasSize; + canvas.height = canvasSize; + const ctx = canvas.getContext('2d'); + if (!ctx) return undefined; + // fix scaling + const scale = Math.min(canvasSize / img.width, canvasSize / img.height); + const width = Math.floor(img.width * scale); + const height = Math.floor(img.height * scale); + ctx?.clearRect(0, 0, canvasSize, canvasSize); + ctx.fillStyle = bgColor; + ctx.fillRect(0, 0, canvasSize, canvasSize); + + // extract and set padding data + if (img.naturalHeight > img.naturalWidth) { + // horizontal padding, x offset + const xOffset = Math.floor((canvasSize - width) / 2); + ctx.drawImage(img, xOffset, 0, width, height); + + // draw reflected image padding + this.drawHorizontalReflection(ctx, canvas, xOffset); + } else { + // vertical padding, y offset + const yOffset = Math.floor((canvasSize - height) / 2); + ctx.drawImage(img, 0, yOffset, width, height); + + // draw reflected image padding + this.drawVerticalReflection(ctx, canvas, yOffset); + } + return canvas; + }; + + /** + * Converts a url to base64 (tainted canvas workaround) + */ + static urlToBase64 = async (imageUrl: string): Promise<string | undefined> => { + try { + const res = await fetch(imageUrl); + const blob = await res.blob(); + + return new Promise<string>((resolve, reject) => { + const reader = new FileReader(); + reader.onload = () => { + const base64Data = reader.result?.toString().split(',')[1]; + if (base64Data) { + resolve(base64Data); + } else { + reject(new Error('Failed to convert.')); + } + }; + reader.onerror = () => { + reject(new Error('Error reading image data')); + }; + reader.readAsDataURL(blob); + }); + } catch (err) { + console.error(err); + } + return undefined; + }; +} |