594 lines
28 KiB
TypeScript
594 lines
28 KiB
TypeScript
"use client";
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import { useEffect, useMemo, useRef, useState, type PointerEvent as ReactPointerEvent, type KeyboardEvent as ReactKeyboardEvent } from "react";
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import { BoxSelect, Brush, Check, Hand, ImageIcon, Loader2, MapPin, Maximize2, Minimize2, Redo2, ScanLine, Trash2, Undo2, Upload, X, ZoomIn, ZoomOut } from "lucide-react";
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import clsx from "clsx";
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import { materialPreviewUrl } from "@/lib/client/asset-urls";
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import { canvasAnnotationPoint, constrainCanvasView, fitCanvasImage, FIT_CANVAS_VIEW, MAX_CANVAS_ZOOM, MIN_CANVAS_ZOOM, zoomCanvasAt, type CanvasSize, type CanvasView } from "@/lib/client/seedream-viewport";
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import type { PromptMaterial } from "@/lib/prompt/assembler";
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import {
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seedreamAnnotationToken,
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type SeedreamAnnotation,
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type SeedreamCreationMode,
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type SeedreamPoint
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} from "@/lib/seedream/creation";
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type AnnotationTool = "box" | "point" | "brush" | "pan";
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type BoxDraft = {
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start: SeedreamPoint;
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current: SeedreamPoint;
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};
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type StrokeDraft = {
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points: SeedreamPoint[];
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};
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const maximumInteractiveSources = 10;
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export function SeedreamWorkspace({
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mode,
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sources,
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selectedSources,
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source,
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uploading,
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annotations,
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onAnnotationsChange,
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onSelectSource,
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onToggleSource,
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onUpload,
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onInsertAnnotation
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}: {
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mode: Exclude<SeedreamCreationMode, "basic">;
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sources: PromptMaterial[];
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selectedSources: PromptMaterial[];
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source?: PromptMaterial;
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uploading: boolean;
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annotations: SeedreamAnnotation[];
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onAnnotationsChange: (annotations: SeedreamAnnotation[]) => void;
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onSelectSource: (material: PromptMaterial) => void;
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onToggleSource: (material: PromptMaterial) => void;
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onUpload: (files: FileList | null) => void;
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onInsertAnnotation: (token: string) => void;
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}) {
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const [tool, setTool] = useState<AnnotationTool>("box");
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const [boxDraft, setBoxDraft] = useState<BoxDraft | null>(null);
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const [strokeDraft, setStrokeDraft] = useState<StrokeDraft | null>(null);
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const [selectedAnnotationId, setSelectedAnnotationId] = useState<string | null>(null);
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const [redoStack, setRedoStack] = useState<SeedreamAnnotation[]>([]);
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const canvasRef = useRef<SVGSVGElement | null>(null);
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const imageRef = useRef<HTMLImageElement | null>(null);
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const workspaceRef = useRef<HTMLElement | null>(null);
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const viewportRef = useRef<HTMLDivElement | null>(null);
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const fullscreenButtonRef = useRef<HTMLButtonElement | null>(null);
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const drawingRef = useRef(false);
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const panRef = useRef<{ pointerId: number; x: number; y: number; view: CanvasView } | null>(null);
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const [view, setView] = useState<CanvasView>(FIT_CANVAS_VIEW);
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const [viewportSize, setViewportSize] = useState<CanvasSize>({ width: 0, height: 0 });
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const [imageSize, setImageSize] = useState<CanvasSize & { key: string }>({ width: 0, height: 0, key: "" });
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const [spaceHeld, setSpaceHeld] = useState(false);
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const [panning, setPanning] = useState(false);
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const [fullscreen, setFullscreen] = useState(false);
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const [viewError, setViewError] = useState<string | null>(null);
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const sourceKey = materialKey(source);
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const fittedImage = fitCanvasImage(imageSize.key === sourceKey ? imageSize : { width: 0, height: 0 }, viewportSize);
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const selectedSourceKeys = useMemo(() => new Set(selectedSources.map(materialKey)), [selectedSources]);
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const sourceIndexByKey = useMemo(() => new Map(selectedSources.map((material, index) => [materialKey(material), index + 1])), [selectedSources]);
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const activeAnnotations = useMemo(
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() => annotations.filter((annotation) => !annotation.sourceKey || annotation.sourceKey === sourceKey),
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[annotations, sourceKey]
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);
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const selectedAnnotation = activeAnnotations.find((annotation) => annotation.id === selectedAnnotationId);
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const nextIndex = useMemo(() => annotations.reduce((maximum, annotation) => Math.max(maximum, annotation.index), 0) + 1, [annotations]);
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const selectionLimitReached = selectedSources.length >= maximumInteractiveSources;
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useEffect(() => {
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setBoxDraft(null);
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setStrokeDraft(null);
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setSelectedAnnotationId(null);
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setRedoStack([]);
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setView(FIT_CANVAS_VIEW);
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setSpaceHeld(false);
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setPanning(false);
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panRef.current = null;
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drawingRef.current = false;
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}, [sourceKey, mode]);
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useEffect(() => {
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// A cached image can finish loading before React attaches onLoad during
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// hydration. Read its dimensions too, otherwise the fitted stage stays 0px.
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const image = imageRef.current;
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if (image?.complete && image.naturalWidth > 0) {
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setImageSize({ key: sourceKey, width: image.naturalWidth, height: image.naturalHeight });
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}
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}, [sourceKey]);
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useEffect(() => {
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const viewport = viewportRef.current;
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if (!viewport) return;
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const measure = () => setViewportSize({ width: viewport.clientWidth, height: viewport.clientHeight });
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measure();
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const observer = new ResizeObserver(measure);
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observer.observe(viewport);
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return () => observer.disconnect();
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}, [sourceKey]);
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useEffect(() => {
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setView((current) => constrainCanvasView(current, fittedImage, viewportSize));
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}, [fittedImage.width, fittedImage.height, viewportSize.width, viewportSize.height]);
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useEffect(() => {
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const viewport = viewportRef.current;
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if (!viewport || !fittedImage.width) return;
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const handleWheel = (event: WheelEvent) => {
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event.preventDefault();
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if (drawingRef.current || panRef.current) return;
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const bounds = viewport.getBoundingClientRect();
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const unit = event.deltaMode === 1 ? 16 : event.deltaMode === 2 ? viewport.clientHeight : 1;
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const factor = Math.exp(-Math.max(-400, Math.min(400, event.deltaY * unit)) * 0.002);
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const anchor = { x: event.clientX - bounds.left - bounds.width / 2, y: event.clientY - bounds.top - bounds.height / 2 };
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setView((current) => zoomCanvasAt(current, current.zoom * factor, anchor, fittedImage, viewportSize));
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};
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viewport.addEventListener("wheel", handleWheel, { passive: false });
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return () => viewport.removeEventListener("wheel", handleWheel);
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}, [sourceKey, fittedImage.width, fittedImage.height, viewportSize.width, viewportSize.height]);
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useEffect(() => {
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let wasActive = false;
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const handleFullscreenChange = () => {
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const active = document.fullscreenElement === workspaceRef.current;
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if (!active && !wasActive) return;
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wasActive = active;
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setFullscreen(active);
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setSpaceHeld(false);
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cancelDraft();
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panRef.current = null;
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setPanning(false);
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if (!active) fullscreenButtonRef.current?.focus({ preventScroll: true });
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};
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document.addEventListener("fullscreenchange", handleFullscreenChange);
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return () => document.removeEventListener("fullscreenchange", handleFullscreenChange);
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}, []);
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async function toggleFullscreen() {
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setViewError(null);
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try {
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if (document.fullscreenElement === workspaceRef.current) await document.exitFullscreen();
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else if (workspaceRef.current?.requestFullscreen) await workspaceRef.current.requestFullscreen();
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else setViewError("当前浏览器不支持全屏编辑，可使用画布缩放和拖动。");
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} catch {
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setViewError("无法进入全屏，请重试或使用画布缩放和拖动。");
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}
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}
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function changeZoom(factor: number) {
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if (drawingRef.current || panRef.current) return;
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setView((current) => zoomCanvasAt(current, current.zoom * factor, { x: 0, y: 0 }, fittedImage, viewportSize));
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}
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function resetView() {
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if (drawingRef.current || panRef.current) return;
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setView(FIT_CANVAS_VIEW);
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}
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function handleViewportPointerDown(event: ReactPointerEvent<HTMLDivElement>) {
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if (!source || !event.isPrimary || (event.button !== 0 && event.button !== 1)) return;
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event.currentTarget.focus({ preventScroll: true });
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if (tool !== "pan" && !spaceHeld && event.button !== 1) return;
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event.preventDefault();
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event.stopPropagation();
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cancelDraft();
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panRef.current = { pointerId: event.pointerId, x: event.clientX, y: event.clientY, view };
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setPanning(true);
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event.currentTarget.setPointerCapture(event.pointerId);
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}
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function handleViewportPointerMove(event: ReactPointerEvent<HTMLDivElement>) {
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const pan = panRef.current;
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if (!pan || pan.pointerId !== event.pointerId) return;
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event.preventDefault();
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event.stopPropagation();
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setView(constrainCanvasView({ ...pan.view, x: pan.view.x + event.clientX - pan.x, y: pan.view.y + event.clientY - pan.y }, fittedImage, viewportSize));
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}
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function stopPan(event: ReactPointerEvent<HTMLDivElement>) {
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if (panRef.current?.pointerId !== event.pointerId) return;
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event.stopPropagation();
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panRef.current = null;
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setPanning(false);
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if (event.currentTarget.hasPointerCapture(event.pointerId)) event.currentTarget.releasePointerCapture(event.pointerId);
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}
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function handleViewportKeyDown(event: ReactKeyboardEvent<HTMLDivElement>) {
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if (event.ctrlKey || event.metaKey || event.altKey) return;
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if (event.key === " ") {
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event.preventDefault();
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setSpaceHeld(true);
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} else if (event.key === "+" || event.key === "=") {
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event.preventDefault();
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changeZoom(1.25);
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} else if (event.key === "-") {
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event.preventDefault();
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changeZoom(0.8);
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} else if (event.key === "0") {
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event.preventDefault();
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resetView();
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}
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}
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async function insertAnnotation(token: string) {
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// The prompt editor lives outside the fullscreen element. Exit the same
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// canvas (no remount) before moving focus there; all annotations survive.
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if (document.fullscreenElement === workspaceRef.current) {
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try { await document.exitFullscreen(); } catch { return; }
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}
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onInsertAnnotation(token);
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}
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useEffect(() => {
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if (mode === "layers" && tool === "point") setTool("box");
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}, [mode, tool]);
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function addAnnotation(annotation: SeedreamAnnotation) {
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onAnnotationsChange([...annotations, { ...annotation, sourceKey }]);
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setSelectedAnnotationId(annotation.id);
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setRedoStack([]);
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}
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function undo() {
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const removed = activeAnnotations.at(-1);
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if (!removed) return;
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onAnnotationsChange(annotations.filter((annotation) => annotation.id !== removed.id));
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setRedoStack((items) => [...items, removed]);
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if (selectedAnnotationId === removed.id) setSelectedAnnotationId(null);
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}
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function redo() {
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const restored = redoStack.at(-1);
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if (!restored) return;
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onAnnotationsChange([...annotations, restored]);
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setRedoStack((items) => items.slice(0, -1));
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setSelectedAnnotationId(restored.id);
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}
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function removeSelected() {
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if (!selectedAnnotation) return;
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onAnnotationsChange(annotations.filter((annotation) => annotation.id !== selectedAnnotation.id));
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setRedoStack((items) => [...items, selectedAnnotation]);
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setSelectedAnnotationId(null);
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}
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function handlePointerDown(event: ReactPointerEvent<SVGSVGElement>) {
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if (!source || !event.isPrimary || event.button !== 0 || tool === "pan" || spaceHeld || panRef.current) return;
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const point = pointerCoordinate(event, canvasRef.current);
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if (!point) return;
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if (tool === "point" && mode === "interactive") {
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addAnnotation({ id: annotationID(), index: nextIndex, kind: "point", point });
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return;
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}
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event.currentTarget.setPointerCapture(event.pointerId);
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drawingRef.current = true;
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setSelectedAnnotationId(null);
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if (tool === "brush") {
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setStrokeDraft({ points: [point] });
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return;
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}
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setBoxDraft({ start: point, current: point });
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}
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function handlePointerMove(event: ReactPointerEvent<SVGSVGElement>) {
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if (!event.isPrimary) return;
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const point = pointerCoordinate(event, canvasRef.current);
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if (!point) return;
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if (boxDraft) {
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setBoxDraft((current) => current ? { ...current, current: point } : null);
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return;
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}
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if (strokeDraft) {
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setStrokeDraft((current) => {
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if (!current) return null;
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const previous = current.points.at(-1);
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if (previous && pointDistance(previous, point) < Math.max(1, 3 / view.zoom)) return current;
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return { points: [...current.points, point] };
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});
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}
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}
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function handlePointerUp(event: ReactPointerEvent<SVGSVGElement>) {
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if (!event.isPrimary) return;
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drawingRef.current = false;
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if (event.currentTarget.hasPointerCapture(event.pointerId)) event.currentTarget.releasePointerCapture(event.pointerId);
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const end = pointerCoordinate(event, canvasRef.current);
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if (strokeDraft) {
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const drawn = end && pointDistance(strokeDraft.points.at(-1)!, end) >= 1 ? [...strokeDraft.points, end] : strokeDraft.points;
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const points = drawn.length === 1
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? [drawn[0], { x: Math.min(1000, drawn[0].x + 1), y: Math.min(1000, drawn[0].y + 1) }]
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: drawn;
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setStrokeDraft(null);
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addAnnotation({ id: annotationID(), index: nextIndex, kind: "stroke", points });
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return;
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}
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if (!boxDraft) return;
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const box = normalizedBox(boxDraft.start, end || boxDraft.current);
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setBoxDraft(null);
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if (box.right - box.left < 2 || box.bottom - box.top < 2) return;
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addAnnotation({ id: annotationID(), index: nextIndex, kind: "box", box });
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}
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function cancelDraft() {
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drawingRef.current = false;
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setBoxDraft(null);
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setStrokeDraft(null);
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}
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const currentImageIndex = sourceIndexByKey.get(sourceKey) || 1;
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return (
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<section ref={workspaceRef} className={clsx("seedream-workspace", mode === "interactive" ? "interactive" : "layers")} aria-label={mode === "interactive" ? "Seedream 交互编辑" : "Seedream 图层拆分"}>
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<header className="seedream-workspace-head">
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<div>
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<strong>{mode === "interactive" ? "精准编辑画布" : "指定拆分区域"}</strong>
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<span>{mode === "interactive" ? "可在最多 10 张图片间切换，使用坐标或蓝色涂鸦描述编辑位置" : "可留空自动全拆，也可框选或涂鸦指定希望拆出的元素"}</span>
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</div>
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<span className="seedream-model-pill">Seedream 5.0 Pro</span>
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</header>
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{!source ? (
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<div className="seedream-source-empty">
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<span className="seedream-source-empty-icon" aria-hidden="true"><ImageIcon size={24} /></span>
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<strong>{sources.length ? "选择参与生成的图片" : "先上传一张图片"}</strong>
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<span>{mode === "interactive" ? "可以选择多张图片进行跨图定位编辑" : "模板效果预览图不会自动参与拆分"}</span>
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<label className="button primary">
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{uploading ? <Loader2 className="spin" size={16} /> : <Upload size={16} />}
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上传图片
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<input type="file" multiple={mode === "interactive"} accept={mode === "layers" ? "image/png,image/jpeg" : "image/*"} disabled={uploading} onChange={(event) => {
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onUpload(event.currentTarget.files);
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event.currentTarget.value = "";
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}} />
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</label>
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</div>
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) : (
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<div className="seedream-editor-shell">
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<div className="seedream-editor-toolbar" role="toolbar" aria-label="标注工具">
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<span className="seedream-current-image-badge">图{currentImageIndex}</span>
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<button className={clsx(tool === "pan" && "active")} type="button" aria-pressed={tool === "pan"} title="拖动画布，也可按住空格或鼠标中键拖动" onClick={() => setTool("pan")}><Hand size={16} />拖动</button>
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<button className={clsx(tool === "box" && "active")} type="button" aria-pressed={tool === "box"} title="框选区域" onClick={() => setTool("box")}>
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<BoxSelect size={16} />
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框选
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</button>
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{mode === "interactive" ? (
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<button className={clsx(tool === "point" && "active")} type="button" aria-pressed={tool === "point"} title="点选位置" onClick={() => setTool("point")}>
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<MapPin size={16} />
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点选
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</button>
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) : null}
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<button className={clsx(tool === "brush" && "active")} type="button" aria-pressed={tool === "brush"} title="蓝色涂鸦标记" onClick={() => setTool("brush")}>
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<Brush size={16} />
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涂鸦
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</button>
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<span className="seedream-editor-toolbar-divider" />
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<button type="button" disabled={!activeAnnotations.length} title="撤销" aria-label="撤销当前图片的最后一个标注" onClick={undo}><Undo2 size={16} /></button>
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<button type="button" disabled={!redoStack.length} title="重做" aria-label="恢复最后撤销的标注" onClick={redo}><Redo2 size={16} /></button>
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<button className="danger" type="button" disabled={!selectedAnnotation} title="删除所选标注" aria-label="删除所选标注" onClick={removeSelected}><Trash2 size={16} /></button>
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<span className="seedream-editor-toolbar-divider" />
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<div className="seedream-view-controls" role="group" aria-label="画布视图">
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<button type="button" disabled={!fittedImage.width || view.zoom <= MIN_CANVAS_ZOOM} aria-label="缩小画布" title="缩小画布（-）" onClick={() => changeZoom(0.8)}><ZoomOut size={16} /></button>
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<output className="seedream-zoom-level" title="相对适应画布的缩放比例">{Math.round(view.zoom * 100)}%</output>
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<button type="button" disabled={!fittedImage.width || view.zoom >= MAX_CANVAS_ZOOM} aria-label="放大画布" title="放大画布（+）" onClick={() => changeZoom(1.25)}><ZoomIn size={16} /></button>
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<button type="button" title="重置缩放和位置（0）" onClick={resetView}><ScanLine size={16} />适应画布</button>
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<button ref={fullscreenButtonRef} type="button" onClick={toggleFullscreen} title={fullscreen ? "退出全屏（Esc）" : "全屏编辑"}>{fullscreen ? <Minimize2 size={16} /> : <Maximize2 size={16} />}{fullscreen ? "退出全屏" : "全屏编辑"}</button>
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</div>
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<label className="seedream-toolbar-upload" title={mode === "interactive" ? "添加图片" : "更换图片"}>
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{uploading ? <Loader2 className="spin" size={15} /> : <Upload size={15} />}
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{mode === "interactive" ? "添加图片" : "更换图片"}
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<input type="file" multiple={mode === "interactive"} accept={mode === "layers" ? "image/png,image/jpeg" : "image/*"} disabled={uploading || mode === "interactive" && selectionLimitReached} onChange={(event) => {
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onUpload(event.currentTarget.files);
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event.currentTarget.value = "";
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}} />
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</label>
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</div>
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{viewError ? <span className="seedream-view-error" role="alert">{viewError}</span> : null}
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<div
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ref={viewportRef}
|
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className={clsx("seedream-canvas-viewport", (tool === "pan" || spaceHeld) && "pan-ready", panning && "panning")}
|
||
tabIndex={0}
|
||
aria-label="标注画布：滚轮缩放，空格或中键拖动，加减键缩放，0 适应画布"
|
||
onPointerDownCapture={handleViewportPointerDown}
|
||
onPointerMoveCapture={handleViewportPointerMove}
|
||
onPointerUpCapture={stopPan}
|
||
onPointerCancelCapture={stopPan}
|
||
onLostPointerCapture={stopPan}
|
||
onKeyDown={handleViewportKeyDown}
|
||
onKeyUp={(event) => { if (event.key === " ") { event.preventDefault(); setSpaceHeld(false); } }}
|
||
onBlur={() => setSpaceHeld(false)}
|
||
>
|
||
<div className="seedream-canvas-stage" style={{ width: fittedImage.width, height: fittedImage.height, transform: `translate(-50%, -50%) translate(${view.x}px, ${view.y}px) scale(${view.zoom})` }}>
|
||
<img ref={imageRef} key={sourceKey} src={materialPreviewUrl(source)} alt={source.name || `${mode === "interactive" ? "编辑" : "拆分"}底图`} draggable={false} onLoad={(event) => setImageSize({ key: sourceKey, width: event.currentTarget.naturalWidth, height: event.currentTarget.naturalHeight })} />
|
||
<svg
|
||
ref={canvasRef}
|
||
className={clsx("seedream-annotation-canvas", `tool-${tool}`)}
|
||
viewBox="0 0 1000 1000"
|
||
preserveAspectRatio="none"
|
||
onPointerDown={handlePointerDown}
|
||
onPointerMove={handlePointerMove}
|
||
onPointerUp={handlePointerUp}
|
||
onPointerCancel={cancelDraft}
|
||
>
|
||
{activeAnnotations.map((annotation) => (
|
||
<AnnotationShape
|
||
key={annotation.id}
|
||
annotation={annotation}
|
||
selected={annotation.id === selectedAnnotationId}
|
||
onSelect={() => setSelectedAnnotationId(annotation.id)}
|
||
/>
|
||
))}
|
||
{boxDraft ? <DraftBox draft={boxDraft} /> : null}
|
||
{strokeDraft ? <DraftStroke draft={strokeDraft} /> : null}
|
||
</svg>
|
||
</div>
|
||
</div>
|
||
<div className="seedream-canvas-note">
|
||
<span>滚轮缩放 · 空格 / 中键拖动 · 放大后可继续标注 · 适应画布恢复全图</span>
|
||
{mode === "interactive"
|
||
? "蓝色涂鸦会在提交时自动合成到对应输入图；框选和点选会转换成官方坐标标签。"
|
||
: "蓝色涂鸦会合成到待拆图片；框选会转换为 <bbox> 坐标，不会修改原始素材。"}
|
||
</div>
|
||
<div className="seedream-annotation-strip" aria-label="当前图片标注">
|
||
{activeAnnotations.length ? activeAnnotations.map((annotation) => (
|
||
<button
|
||
type="button"
|
||
className={clsx(annotation.id === selectedAnnotationId && "active")}
|
||
key={annotation.id}
|
||
onClick={() => {
|
||
setSelectedAnnotationId(annotation.id);
|
||
void insertAnnotation(seedreamAnnotationToken(annotation.index, annotation.kind));
|
||
}}
|
||
title="点击插入提示词"
|
||
>
|
||
<span>{annotationIcon(annotation.kind)}</span>
|
||
{seedreamAnnotationToken(annotation.index, annotation.kind)}
|
||
<small>插入提示词</small>
|
||
</button>
|
||
)) : <span className="seedream-annotation-empty">尚未标记。可以框选、{mode === "interactive" ? "点选或" : "或"}使用蓝色涂鸦。</span>}
|
||
</div>
|
||
</div>
|
||
)}
|
||
|
||
{mode === "interactive" && sources.length ? (
|
||
<div className="seedream-source-picker">
|
||
<div className="seedream-source-picker-head">
|
||
<span>{`输入图片 ${selectedSources.length}/${maximumInteractiveSources}`}</span>
|
||
<small>图片编号按选中顺序生成，用于“图1 / 图2”坐标提示词</small>
|
||
</div>
|
||
<div>
|
||
{sources.map((material) => {
|
||
const key = materialKey(material);
|
||
const included = selectedSourceKeys.has(key);
|
||
const imageIndex = sourceIndexByKey.get(key);
|
||
return (
|
||
<article className={clsx("seedream-source-card", key === sourceKey && "active", included && "included")} key={key}>
|
||
<button
|
||
type="button"
|
||
className="seedream-source-card-main"
|
||
title={material.name || material.label}
|
||
aria-pressed={key === sourceKey}
|
||
onClick={() => {
|
||
if (!included) {
|
||
onToggleSource(material);
|
||
return;
|
||
}
|
||
onSelectSource(material);
|
||
}}
|
||
>
|
||
<img src={materialPreviewUrl(material)} alt="" />
|
||
<span>{material.name || material.label || "图片"}</span>
|
||
</button>
|
||
<button
|
||
type="button"
|
||
className="seedream-source-toggle"
|
||
aria-label={included ? `移除${material.name || "图片"}` : `加入${material.name || "图片"}`}
|
||
title={included ? "不参与本次生成" : selectionLimitReached ? "最多选择 10 张图片" : "参与本次生成"}
|
||
disabled={!included && selectionLimitReached}
|
||
onClick={() => onToggleSource(material)}
|
||
>
|
||
{included ? <><Check size={12} />图{imageIndex}</> : <><X size={12} />未选</>}
|
||
</button>
|
||
</article>
|
||
);
|
||
})}
|
||
</div>
|
||
</div>
|
||
) : null}
|
||
</section>
|
||
);
|
||
}
|
||
|
||
function AnnotationShape({ annotation, selected, onSelect }: { annotation: SeedreamAnnotation; selected: boolean; onSelect: () => void }) {
|
||
if (annotation.kind === "point" && annotation.point) {
|
||
return (
|
||
<g className={clsx("seedream-annotation-shape", selected && "selected")} onPointerDown={(event) => { event.stopPropagation(); onSelect(); }}>
|
||
<circle className="seedream-annotation-halo" cx={annotation.point.x} cy={annotation.point.y} r="24" />
|
||
<circle className="seedream-annotation-point" cx={annotation.point.x} cy={annotation.point.y} r="9" />
|
||
<AnnotationLabel x={annotation.point.x + 18} y={annotation.point.y - 18} index={annotation.index} />
|
||
</g>
|
||
);
|
||
}
|
||
if (annotation.kind === "box" && annotation.box) {
|
||
const width = annotation.box.right - annotation.box.left;
|
||
const height = annotation.box.bottom - annotation.box.top;
|
||
return (
|
||
<g className={clsx("seedream-annotation-shape", selected && "selected")} onPointerDown={(event) => { event.stopPropagation(); onSelect(); }}>
|
||
<rect className="seedream-annotation-box" x={annotation.box.left} y={annotation.box.top} width={width} height={height} rx="4" />
|
||
<AnnotationLabel x={annotation.box.left + 10} y={annotation.box.top + 10} index={annotation.index} />
|
||
</g>
|
||
);
|
||
}
|
||
if (annotation.kind === "stroke" && annotation.points?.length) {
|
||
const first = annotation.points[0];
|
||
return (
|
||
<g className={clsx("seedream-annotation-shape stroke", selected && "selected")} onPointerDown={(event) => { event.stopPropagation(); onSelect(); }}>
|
||
<path className="seedream-annotation-stroke-hit" d={pointsPath(annotation.points)} />
|
||
<path className="seedream-annotation-stroke" d={pointsPath(annotation.points)} />
|
||
<AnnotationLabel x={first.x + 18} y={first.y - 18} index={annotation.index} />
|
||
</g>
|
||
);
|
||
}
|
||
return null;
|
||
}
|
||
|
||
function AnnotationLabel({ x, y, index }: { x: number; y: number; index: number }) {
|
||
const safeX = Math.min(955, Math.max(12, x));
|
||
const safeY = Math.min(955, Math.max(34, y));
|
||
return (
|
||
<g className="seedream-annotation-label" transform={`translate(${safeX} ${safeY})`}>
|
||
<circle r="20" />
|
||
<text textAnchor="middle" dominantBaseline="central">{index}</text>
|
||
</g>
|
||
);
|
||
}
|
||
|
||
function DraftBox({ draft }: { draft: BoxDraft }) {
|
||
const box = normalizedBox(draft.start, draft.current);
|
||
return <rect className="seedream-annotation-box draft" x={box.left} y={box.top} width={box.right - box.left} height={box.bottom - box.top} rx="4" />;
|
||
}
|
||
|
||
function DraftStroke({ draft }: { draft: StrokeDraft }) {
|
||
return <path className="seedream-annotation-stroke draft" d={pointsPath(draft.points)} />;
|
||
}
|
||
|
||
function annotationIcon(kind: SeedreamAnnotation["kind"]) {
|
||
if (kind === "point") return <MapPin size={13} />;
|
||
if (kind === "stroke") return <Brush size={13} />;
|
||
return <BoxSelect size={13} />;
|
||
}
|
||
|
||
function normalizedBox(start: SeedreamPoint, end: SeedreamPoint) {
|
||
return {
|
||
left: Math.min(start.x, end.x),
|
||
top: Math.min(start.y, end.y),
|
||
right: Math.max(start.x, end.x),
|
||
bottom: Math.max(start.y, end.y)
|
||
};
|
||
}
|
||
|
||
function pointerCoordinate(event: ReactPointerEvent<SVGSVGElement>, canvas: SVGSVGElement | null): SeedreamPoint | null {
|
||
if (!canvas) return null;
|
||
return canvasAnnotationPoint({ x: event.clientX, y: event.clientY }, canvas.getBoundingClientRect());
|
||
}
|
||
|
||
function pointsPath(points: SeedreamPoint[]) {
|
||
return points.map((point, index) => `${index === 0 ? "M" : "L"}${point.x} ${point.y}`).join(" ");
|
||
}
|
||
|
||
function pointDistance(a: SeedreamPoint, b: SeedreamPoint) {
|
||
return Math.hypot(a.x - b.x, a.y - b.y);
|
||
}
|
||
|
||
function materialKey(material?: PromptMaterial) {
|
||
return material ? material.id || material.url : "";
|
||
}
|
||
|
||
function annotationID() {
|
||
return `annotation-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
|
||
}
|