diff options
author | Sophie Zhang <sophie_zhang@brown.edu> | 2023-06-28 11:47:41 -0400 |
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committer | Sophie Zhang <sophie_zhang@brown.edu> | 2023-06-28 11:47:41 -0400 |
commit | b6537cce6aa34eb33c052d7ec2cbbf804be08fba (patch) | |
tree | 34ee9ff83af71359ce6a0cc17d5a711db7780fa1 /src/client/views/nodes/generativeFill/GenerativeFill.tsx | |
parent | a6181a5695c7355b7996ac6c6c1e7aad886e6302 (diff) |
added files
Diffstat (limited to 'src/client/views/nodes/generativeFill/GenerativeFill.tsx')
-rw-r--r-- | src/client/views/nodes/generativeFill/GenerativeFill.tsx | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/src/client/views/nodes/generativeFill/GenerativeFill.tsx b/src/client/views/nodes/generativeFill/GenerativeFill.tsx new file mode 100644 index 000000000..6dd80a5d1 --- /dev/null +++ b/src/client/views/nodes/generativeFill/GenerativeFill.tsx @@ -0,0 +1,308 @@ +import { useEffect, useRef, useState } from 'react'; +import { APISuccess, ImageUtility } from './generativeFillUtils/ImageHandler'; +import { BrushHandler } from './generativeFillUtils/BrushHandler'; +import { IconButton, TextField } from '@mui/material'; +import { CursorData, Point } from './generativeFillUtils/generativeFillInterfaces'; +import { activeColor, canvasSize, eraserColor } from './generativeFillUtils/generativeFillConstants'; +import { PointerHandler } from './generativeFillUtils/PointerHandler'; +import { BsBrush, BsEraser } from 'react-icons/bs'; +import { AiOutlineUpload } from 'react-icons/ai'; +import { CiUndo, CiRedo } from 'react-icons/ci'; +import Buttons from './GenerativeFillButtons'; +import React from 'react'; +import './GenerativeFill.scss'; + +/** + * For images not 1024x1024 fill in the rest in solid black, or a + * reflected version of the image. + */ + +/** + * TODO: Look into img onload, sometimes the canvas doesn't update properly + */ + +enum BrushStyle { + ADD, + SUBTRACT, + MARQUEE, +} + +interface ImageEdit { + imgElement: HTMLImageElement; + parent: ImageEdit; + children: ImageEdit[]; +} + +const GenerativeFill = () => { + const canvasRef = useRef<HTMLCanvasElement>(null); + const canvasBackgroundRef = useRef<HTMLCanvasElement>(null); + const drawingAreaRef = useRef<HTMLDivElement>(null); + const fileRef = useRef<HTMLInputElement>(null); + const [cursorData, setCursorData] = useState<CursorData>({ + x: 0, + y: 0, + width: 150, + }); + const [isBrushing, setIsBrushing] = useState(false); + const [canvasScale, setCanvasScale] = useState(0.5); + const [edits, setEdits] = useState<string[]>([]); + const [brushStyle, setBrushStyle] = useState<BrushStyle>(BrushStyle.ADD); + const [input, setInput] = useState(''); + const [loading, setLoading] = useState(false); + // used to store the current image loaded to the main canvas + const currImg = useRef<HTMLImageElement | null>(null); + // ref to store history + const undoStack = useRef<ImageData[]>([]); + + // initiate brushing + const handlePointerDown = (e: React.PointerEvent) => { + const canvas = canvasRef.current; + if (!canvas) return; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return; + + 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 = (e: React.PointerEvent) => { + const ctx = ImageUtility.getCanvasContext(canvasBackgroundRef); + if (!ctx) return; + if (!isBrushing) return; + setIsBrushing(false); + }; + + // handles brushing on pointer movement + useEffect(() => { + if (!isBrushing) return; + const canvas = canvasRef.current; + if (!canvas) return; + const ctx = ImageUtility.getCanvasContext(canvasRef); + if (!ctx) return; + + 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, + }; + BrushHandler.createBrushPathOverlay(lastPoint, currPoint, cursorData.width / 2 / canvasScale, ctx, eraserColor, brushStyle === BrushStyle.SUBTRACT); + }; + + drawingAreaRef.current?.addEventListener('pointermove', handlePointerMove); + return () => drawingAreaRef.current?.removeEventListener('pointermove', handlePointerMove); + }, [isBrushing]); + + // first load + useEffect(() => { + const img = new Image(); + img.src = '/assets/art.jpeg'; + ImageUtility.drawImgToCanvas(img, canvasRef); + currImg.current = img; + }, [canvasRef]); + + useEffect(() => { + if (!canvasBackgroundRef.current) return; + const ctx = ImageUtility.getCanvasContext(canvasBackgroundRef); + if (!ctx) return; + }, [canvasBackgroundRef]); + + // 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; // Adjust the scale factor as per your requirement + 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, + })); + }; + + // File upload + const uploadImg = (e: React.ChangeEvent<HTMLInputElement>) => { + if (e.target.files) { + const file = e.target.files[0]; + const image = new Image(); + const imgUrl = URL.createObjectURL(file); + image.src = imgUrl; + ImageUtility.drawImgToCanvas(image, canvasRef); + currImg.current = image; + } + }; + + // Get AI Edit + 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); + try { + const maskBlob = await ImageUtility.canvasToBlob(canvas); + const imgBlob = await ImageUtility.canvasToBlob(ImageUtility.getCanvasImg(img)); + + // const res = await ImageUtility.getEdit( + // imgBlob, + // maskBlob, + // input !== "" + // ? input + " in the same style" + // : "Fill in the image in the same style", + // 1 + // ); + + const res = await ImageUtility.mockGetEdit(); + const { urls } = res as APISuccess; + const image = new Image(); + image.src = urls[0]; + setLoading(false); + setEdits(urls); + ImageUtility.drawImgToCanvas(image, canvasRef); + currImg.current = image; + } catch (err) { + console.log(err); + } + }; + + return ( + <div className="generativeFillContainer"> + <div className="controls"> + <h1>Generative Fill</h1> + <Buttons canvasRef={canvasRef} backgroundref={canvasBackgroundRef} currImg={currImg} getEdit={getEdit} undoStack={undoStack} loading={loading} /> + </div> + {/* 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={canvasSize} height={canvasSize} style={{ transform: `scale(${canvasScale})` }} /> + <canvas ref={canvasBackgroundRef} width={canvasSize} height={canvasSize} style={{ transform: `scale(${canvasScale})` }} /> + <div + className="pointer" + style={{ + left: cursorData.x, + top: cursorData.y, + width: cursorData.width, + height: cursorData.width, + }}> + <div className="innerPointer"></div> + </div> + {/* Icons */} + <div className="iconContainer"> + <input ref={fileRef} type="file" accept="image/*" onChange={uploadImg} style={{ display: 'none' }} /> + <IconButton + onClick={() => { + if (fileRef.current) { + fileRef.current.click(); + } + }}> + <AiOutlineUpload /> + </IconButton> + <IconButton + onClick={() => { + setBrushStyle(BrushStyle.ADD); + }}> + <BsBrush color={brushStyle === BrushStyle.ADD ? activeColor : 'inherit'} /> + </IconButton> + <IconButton + onClick={() => { + setBrushStyle(BrushStyle.SUBTRACT); + }}> + <BsEraser color={brushStyle === BrushStyle.SUBTRACT ? activeColor : 'inherit'} /> + </IconButton> + {/* Undo and Redo */} + {/* <IconButton + onPointerDown={e => { + e.stopPropagation(); + console.log(undoStack.current); + }} + onPointerUp={e => { + e.stopPropagation(); + }}> + <CiUndo /> + </IconButton> + <IconButton onClick={() => {}}> + <CiRedo /> + </IconButton> */} + </div> + {/* Edits box */} + <div className="editsBox"> + {edits.map(edit => ( + <img + key={edit} + width={100} + height={100} + src={edit} + onClick={() => { + const img = new Image(); + img.src = edit; + ImageUtility.drawImgToCanvas(img, canvasRef); + currImg.current = img; + }} + /> + ))} + </div> + </div> + <div> + <TextField + value={input} + onChange={e => setInput(e.target.value)} + disabled={isBrushing} + type="text" + label="Prompt" + placeholder="Prompt..." + sx={{ + backgroundColor: '#ffffff', + position: 'absolute', + bottom: '1rem', + transform: 'translateX(calc(50vw - 50%))', + width: 'calc(100vw - 4rem)', + }} + /> + </div> + </div> + ); +}; + +export default GenerativeFill; |