Files
NianAIGC/components/seedream-workspace.tsx
T
2026-08-25 14:06:04 +08:00

423 lines
19 KiB
TypeScript

"use client";
import { useEffect, useMemo, useRef, useState, type PointerEvent as ReactPointerEvent } from "react";
import { BoxSelect, Brush, Check, ImageIcon, Loader2, MapPin, Redo2, Trash2, Undo2, Upload, X } from "lucide-react";
import clsx from "clsx";
import { materialPreviewUrl } from "@/lib/client/asset-urls";
import type { PromptMaterial } from "@/lib/prompt/assembler";
import {
seedreamAnnotationToken,
type SeedreamAnnotation,
type SeedreamCreationMode,
type SeedreamPoint
} from "@/lib/seedream/creation";
type AnnotationTool = "box" | "point" | "brush";
type BoxDraft = {
start: SeedreamPoint;
current: SeedreamPoint;
};
type StrokeDraft = {
points: SeedreamPoint[];
};
const maximumInteractiveSources = 10;
export function SeedreamWorkspace({
mode,
sources,
selectedSources,
source,
uploading,
annotations,
onAnnotationsChange,
onSelectSource,
onToggleSource,
onUpload,
onInsertAnnotation
}: {
mode: Exclude<SeedreamCreationMode, "basic">;
sources: PromptMaterial[];
selectedSources: PromptMaterial[];
source?: PromptMaterial;
uploading: boolean;
annotations: SeedreamAnnotation[];
onAnnotationsChange: (annotations: SeedreamAnnotation[]) => void;
onSelectSource: (material: PromptMaterial) => void;
onToggleSource: (material: PromptMaterial) => void;
onUpload: (files: FileList | null) => void;
onInsertAnnotation: (token: string) => void;
}) {
const [tool, setTool] = useState<AnnotationTool>("box");
const [boxDraft, setBoxDraft] = useState<BoxDraft | null>(null);
const [strokeDraft, setStrokeDraft] = useState<StrokeDraft | null>(null);
const [selectedAnnotationId, setSelectedAnnotationId] = useState<string | null>(null);
const [redoStack, setRedoStack] = useState<SeedreamAnnotation[]>([]);
const canvasRef = useRef<SVGSVGElement | null>(null);
const sourceKey = materialKey(source);
const selectedSourceKeys = useMemo(() => new Set(selectedSources.map(materialKey)), [selectedSources]);
const sourceIndexByKey = useMemo(() => new Map(selectedSources.map((material, index) => [materialKey(material), index + 1])), [selectedSources]);
const activeAnnotations = useMemo(
() => annotations.filter((annotation) => !annotation.sourceKey || annotation.sourceKey === sourceKey),
[annotations, sourceKey]
);
const selectedAnnotation = activeAnnotations.find((annotation) => annotation.id === selectedAnnotationId);
const nextIndex = useMemo(() => annotations.reduce((maximum, annotation) => Math.max(maximum, annotation.index), 0) + 1, [annotations]);
const selectionLimitReached = selectedSources.length >= maximumInteractiveSources;
useEffect(() => {
setBoxDraft(null);
setStrokeDraft(null);
setSelectedAnnotationId(null);
setRedoStack([]);
}, [sourceKey, mode]);
useEffect(() => {
if (mode === "layers" && tool === "point") setTool("box");
}, [mode, tool]);
function addAnnotation(annotation: SeedreamAnnotation) {
onAnnotationsChange([...annotations, { ...annotation, sourceKey }]);
setSelectedAnnotationId(annotation.id);
setRedoStack([]);
}
function undo() {
const removed = activeAnnotations.at(-1);
if (!removed) return;
onAnnotationsChange(annotations.filter((annotation) => annotation.id !== removed.id));
setRedoStack((items) => [...items, removed]);
if (selectedAnnotationId === removed.id) setSelectedAnnotationId(null);
}
function redo() {
const restored = redoStack.at(-1);
if (!restored) return;
onAnnotationsChange([...annotations, restored]);
setRedoStack((items) => items.slice(0, -1));
setSelectedAnnotationId(restored.id);
}
function removeSelected() {
if (!selectedAnnotation) return;
onAnnotationsChange(annotations.filter((annotation) => annotation.id !== selectedAnnotation.id));
setRedoStack((items) => [...items, selectedAnnotation]);
setSelectedAnnotationId(null);
}
function handlePointerDown(event: ReactPointerEvent<SVGSVGElement>) {
if (!source) return;
const point = pointerCoordinate(event, canvasRef.current);
if (!point) return;
if (tool === "point" && mode === "interactive") {
addAnnotation({ id: annotationID(), index: nextIndex, kind: "point", point });
return;
}
event.currentTarget.setPointerCapture(event.pointerId);
setSelectedAnnotationId(null);
if (tool === "brush") {
setStrokeDraft({ points: [point] });
return;
}
setBoxDraft({ start: point, current: point });
}
function handlePointerMove(event: ReactPointerEvent<SVGSVGElement>) {
const point = pointerCoordinate(event, canvasRef.current);
if (!point) return;
if (boxDraft) {
setBoxDraft((current) => current ? { ...current, current: point } : null);
return;
}
if (strokeDraft) {
setStrokeDraft((current) => {
if (!current) return null;
const previous = current.points.at(-1);
if (previous && pointDistance(previous, point) < 3) return current;
return { points: [...current.points, point] };
});
}
}
function handlePointerUp(event: ReactPointerEvent<SVGSVGElement>) {
if (event.currentTarget.hasPointerCapture(event.pointerId)) event.currentTarget.releasePointerCapture(event.pointerId);
if (strokeDraft) {
const points = strokeDraft.points.length === 1
? [strokeDraft.points[0], { x: Math.min(1000, strokeDraft.points[0].x + 1), y: Math.min(1000, strokeDraft.points[0].y + 1) }]
: strokeDraft.points;
setStrokeDraft(null);
addAnnotation({ id: annotationID(), index: nextIndex, kind: "stroke", points });
return;
}
if (!boxDraft) return;
const box = normalizedBox(boxDraft.start, boxDraft.current);
setBoxDraft(null);
if (box.right - box.left < 8 || box.bottom - box.top < 8) return;
addAnnotation({ id: annotationID(), index: nextIndex, kind: "box", box });
}
function cancelDraft() {
setBoxDraft(null);
setStrokeDraft(null);
}
const currentImageIndex = sourceIndexByKey.get(sourceKey) || 1;
return (
<section className={clsx("seedream-workspace", mode === "interactive" ? "interactive" : "layers")} aria-label={mode === "interactive" ? "Seedream 交互编辑" : "Seedream 图层拆分"}>
<header className="seedream-workspace-head">
<div>
<strong>{mode === "interactive" ? "精准编辑画布" : "指定拆分区域"}</strong>
<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>
</div>
<span className="seedream-model-pill">Seedream 5.0 Pro</span>
</header>
{!source ? (
<div className="seedream-source-empty">
<span className="seedream-source-empty-icon" aria-hidden="true"><ImageIcon size={24} /></span>
<strong>{sources.length ? "选择参与生成的图片" : "先上传一张图片"}</strong>
<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>
<label className="button primary">
{uploading ? <Loader2 className="spin" size={16} /> : <Upload size={16} />}
上传图片
<input type="file" multiple={mode === "interactive"} accept={mode === "layers" ? "image/png,image/jpeg" : "image/*"} disabled={uploading} onChange={(event) => {
onUpload(event.currentTarget.files);
event.currentTarget.value = "";
}} />
</label>
</div>
) : (
<div className="seedream-editor-shell">
<div className="seedream-editor-toolbar" role="toolbar" aria-label="标注工具">
<span className="seedream-current-image-badge">图{currentImageIndex}</span>
<button className={clsx(tool === "box" && "active")} type="button" aria-pressed={tool === "box"} title="框选区域" onClick={() => setTool("box")}>
<BoxSelect size={16} />
框选
</button>
{mode === "interactive" ? (
<button className={clsx(tool === "point" && "active")} type="button" aria-pressed={tool === "point"} title="点选位置" onClick={() => setTool("point")}>
<MapPin size={16} />
点选
</button>
) : null}
<button className={clsx(tool === "brush" && "active")} type="button" aria-pressed={tool === "brush"} title="蓝色涂鸦标记" onClick={() => setTool("brush")}>
<Brush size={16} />
涂鸦
</button>
<span className="seedream-editor-toolbar-divider" />
<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>
<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>
<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>
<label className="seedream-toolbar-upload" title={mode === "interactive" ? "添加图片" : "更换图片"}>
{uploading ? <Loader2 className="spin" size={15} /> : <Upload size={15} />}
{mode === "interactive" ? "添加图片" : "更换图片"}
<input type="file" multiple={mode === "interactive"} accept={mode === "layers" ? "image/png,image/jpeg" : "image/*"} disabled={uploading || mode === "interactive" && selectionLimitReached} onChange={(event) => {
onUpload(event.currentTarget.files);
event.currentTarget.value = "";
}} />
</label>
</div>
<div className="seedream-canvas-viewport">
<div className="seedream-canvas-stage">
<img src={materialPreviewUrl(source)} alt={source.name || `${mode === "interactive" ? "编辑" : "拆分"}底图`} draggable={false} />
<svg
ref={canvasRef}
className={clsx("seedream-annotation-canvas", `tool-${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">
{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);
onInsertAnnotation(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>
)}
{sources.length ? (
<div className="seedream-source-picker">
<div className="seedream-source-picker-head">
<span>{mode === "interactive" ? `输入图片 ${selectedSources.length}/${maximumInteractiveSources}` : "选择待拆图片"}</span>
{mode === "interactive" ? <small>图片编号按选中顺序生成,用于“图1 / 图2”坐标提示词</small> : null}
</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 (mode === "interactive" && !included) {
onToggleSource(material);
return;
}
onSelectSource(material);
}}
>
<img src={materialPreviewUrl(material)} alt="" />
<span>{material.name || material.label || "图片"}</span>
</button>
{mode === "interactive" ? (
<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>
) : null}
</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} ${safeY})`}>
<circle r="20" />
<text textAnchor="middle" dominantBaseline="central">{index}</text>
</g>
);
}
function DraftBox({ draft }: { draft: BoxDraft }) {
const box = normalizedBox(draft.start, draft.current);
return <rect className="seedream-annotation-box draft" x={box.left} y={box.top} width={box.right - box.left} height={box.bottom - box.top} rx="4" />;
}
function DraftStroke({ draft }: { draft: StrokeDraft }) {
return <path className="seedream-annotation-stroke draft" d={pointsPath(draft.points)} />;
}
function annotationIcon(kind: SeedreamAnnotation["kind"]) {
if (kind === "point") return <MapPin size={13} />;
if (kind === "stroke") return <Brush size={13} />;
return <BoxSelect size={13} />;
}
function normalizedBox(start: SeedreamPoint, end: SeedreamPoint) {
return {
left: Math.min(start.x, end.x),
top: Math.min(start.y, end.y),
right: Math.max(start.x, end.x),
bottom: Math.max(start.y, end.y)
};
}
function pointerCoordinate(event: ReactPointerEvent<SVGSVGElement>, canvas: SVGSVGElement | null): SeedreamPoint | null {
if (!canvas) return null;
const bounds = canvas.getBoundingClientRect();
if (!bounds.width || !bounds.height) return null;
return {
x: clamp((event.clientX - bounds.left) / bounds.width * 1000),
y: clamp((event.clientY - bounds.top) / bounds.height * 1000)
};
}
function pointsPath(points: SeedreamPoint[]) {
return points.map((point, index) => `${index === 0 ? "M" : "L"}${point.x} ${point.y}`).join(" ");
}
function pointDistance(a: SeedreamPoint, b: SeedreamPoint) {
return Math.hypot(a.x - b.x, a.y - b.y);
}
function clamp(value: number) {
return Math.max(0, Math.min(1000, Math.round(value)));
}
function materialKey(material?: PromptMaterial) {
return material ? material.id || material.url : "";
}
function annotationID() {
return `annotation-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
}