节点尺寸计算

src/components/media/image-edit/useImageDerivedNodeActions.ts

@@ -15,7 +15,8 @@ import { SINGLE_INPUT_HANDLE_ID, SINGLE_OUTPUT_HANDLE_ID } from "@/utils/nodeHan
 import { createPendingDerivedImageNode } from "@/utils/derivedImageNodes";
 import { createSplitGridImageNodes } from "@/utils/splitGridNodes";
 import { readHighDefinitionSourceImageDimensions } from "@/utils/highDefinitionNodes";
-import { OUTPAINTING_DEFAULT_PROMPT } from "@/utils/outpaintingNodes";
+import { deriveOutpaintingOutputDimensions, OUTPAINTING_DEFAULT_PROMPT } from "@/utils/outpaintingNodes";
+import { resolveMediaNodeCreationSizeFromDimensions } from "@/utils/nodeSizing";
 import { toSelectedModel } from "@/utils/selectedModel";
 
 interface UseImageDerivedNodeActionsOptions {
@@ -79,10 +80,13 @@ export function useImageDerivedNodeActions({
   const createCropNode = useCallback((payload: MediaCropConfirmPayload, customTitle: string) => {
     const placement = getSourcePlacement();
     if (!placement) return null;
+    const dimensions = { width: payload.outputWidth, height: payload.outputHeight };
+    const size = resolveMediaNodeCreationSizeFromDimensions(dimensions) ?? undefined;
     const nodeId = createPendingDerivedImageNode({
       sourceNodeId,
       position: placement.position,
       filename: `crop-${Date.now()}.png`,
+      dimensions,
       customTitle,
       operation: "crop",
       task: {
@@ -91,6 +95,7 @@ export function useImageDerivedNodeActions({
         outputHeight: payload.outputHeight,
         aspectRatio: payload.aspectRatio,
       },
+      size,
       addNode,
       onConnect,
       selectSingleNode,
@@ -102,7 +107,9 @@ export function useImageDerivedNodeActions({
   const createOutpaintingNode = useCallback(async ({ model, params, batchSize }: CreateOutpaintingNodeOptions) => {
     const placement = getSourcePlacement();
     if (!placement) return null;
-    const dimensions = await readSourceDimensions();
+    const sourceDimensions = await readSourceDimensions();
+    const dimensions = deriveOutpaintingOutputDimensions(sourceDimensions, params) ?? sourceDimensions;
+    const size = resolveMediaNodeCreationSizeFromDimensions(dimensions) ?? undefined;
     const selectedModel = toSelectedModel(model);
     const nodeId = addNode("smartImage", placement.position, {
       inputImages: [imageSource],
@@ -122,7 +129,7 @@ export function useImageDerivedNodeActions({
       },
       status: "idle",
       error: null,
-    } satisfies Partial<SmartImageNodeData>);
+    } satisfies Partial<SmartImageNodeData>, size);
     onConnect({
       source: sourceNodeId,
       sourceHandle: SINGLE_OUTPUT_HANDLE_ID,

src/components/nodes/GenerateImageNode.tsx

@@ -43,7 +43,8 @@ import { ImageEditSession } from "@/components/media/image-edit/ImageEditSession
 import { GridToolIcon, MultiAngleToolIcon } from "@/components/media/MediaToolbarIcons";
 import { getAutoMediaElementClassName, getAutoMediaFrameClassName } from "./mediaAutoSize";
 import { chooseHighDefinitionModel, createHighDefinitionImageNode, readHighDefinitionSourceImageDimensions } from "@/utils/highDefinitionNodes";
-import { OUTPAINTING_DEFAULT_PROMPT } from "@/utils/outpaintingNodes";
+import { deriveOutpaintingOutputDimensions, OUTPAINTING_DEFAULT_PROMPT } from "@/utils/outpaintingNodes";
+import { resolveMediaNodeCreationSizeFromDimensions } from "@/utils/nodeSizing";
 import { toSelectedModel as providerModelToSelectedModel } from "@/utils/selectedModel";
 
 const IMAGE_LOAD_RETRY_DELAYS_MS = [600, 1600];
@@ -300,6 +301,8 @@ export function GenerateImageNodeView({ id, data, selected, renderInputHandle =
         ? currentNode.style.width
         : 300;
     const filename = `crop-${Date.now()}.png`;
+    const dimensions = { width: payload.outputWidth, height: payload.outputHeight };
+    const size = resolveMediaNodeCreationSizeFromDimensions(dimensions) ?? undefined;
     const nodeId = createPendingDerivedImageNode({
       sourceNodeId: id,
       position: {
@@ -307,6 +310,7 @@ export function GenerateImageNodeView({ id, data, selected, renderInputHandle =
         y: currentPosition.y,
       },
       filename,
+      dimensions,
       customTitle: t("imageInput.crop"),
       operation: "crop",
       task: {
@@ -315,6 +319,7 @@ export function GenerateImageNodeView({ id, data, selected, renderInputHandle =
         outputHeight: payload.outputHeight,
         aspectRatio: payload.aspectRatio,
       },
+      size,
       addNode,
       onConnect,
       selectSingleNode,
@@ -408,7 +413,9 @@ export function GenerateImageNodeView({ id, data, selected, renderInputHandle =
       : typeof currentNode.style?.width === "number"
         ? currentNode.style.width
         : 300;
-    const dimensions = await readHighDefinitionSourceImageDimensions(currentNode.data as { dimensions?: unknown }, imageSource);
+    const sourceDimensions = await readHighDefinitionSourceImageDimensions(currentNode.data as { dimensions?: unknown }, imageSource);
+    const dimensions = deriveOutpaintingOutputDimensions(sourceDimensions, params) ?? sourceDimensions;
+    const size = resolveMediaNodeCreationSizeFromDimensions(dimensions) ?? undefined;
     const selectedModel = providerModelToSelectedModel(outpaintingModel);
     const nodeId = addNode("smartImage", {
       x: currentPosition.x + currentWidth + 220,
@@ -431,7 +438,7 @@ export function GenerateImageNodeView({ id, data, selected, renderInputHandle =
       },
       status: "idle",
       error: null,
-    });
+    }, size);
     onConnect({
       source: id,
       sourceHandle: SINGLE_OUTPUT_HANDLE_ID,

src/store/__tests__/workflowStore.integration.test.ts

@@ -665,6 +665,27 @@ describe("workflowStore integration tests", () => {
   });
 
   describe("smart input nodes created while another task is running", () => {
+    it("preserves copied node dimensions when pasting", () => {
+      const originalNode = createTestNode(
+        "image-1",
+        "smartImage",
+        { image: "https://cdn.example.com/source.png", dimensions: { width: 1600, height: 900 } },
+        { x: 120, y: 160 }
+      );
+      originalNode.selected = true;
+      originalNode.style = { width: 615, height: 346 };
+
+      useWorkflowStore.setState({ nodes: [originalNode], edges: [] });
+
+      act(() => {
+        useWorkflowStore.getState().copySelectedNodes();
+        useWorkflowStore.getState().pasteNodes({ x: 80, y: 40 });
+      });
+
+      const pastedNode = useWorkflowStore.getState().nodes.find((node) => node.id !== originalNode.id);
+      expect(pastedNode?.style).toEqual({ width: 615, height: 346 });
+    });
+
     it("uses custom node dimensions when adding a node", () => {
       const nodeId = useWorkflowStore.getState().addNode(
         "nanoBanana",

src/store/workflowStore.ts

@@ -1493,7 +1493,7 @@ const workflowStoreImpl: StateCreator<WorkflowStore> = (set, get) => ({
 
     const finalPosition = options?.skipCollision
       ? position
-      : findNearestFreePosition(position, type, state.nodes, { width, height });
+      : findNearestFreePosition(position, state.nodes, { width, height });
 
     const newNode: WorkflowNode = {
       id,
@@ -1544,7 +1544,7 @@ const workflowStoreImpl: StateCreator<WorkflowStore> = (set, get) => ({
         ...node,
         position: getAbsoluteNodePosition(node, nodeById),
       }));
-    const finalPosition = findNearestFreePosition(position, type, collisionNodes, { width, height });
+    const finalPosition = findNearestFreePosition(position, collisionNodes, { width, height });
     const groupNodeId = getGroupNodeId(groupId);
 
     const newNode: WorkflowNode = {
@@ -2312,7 +2312,6 @@ const workflowStoreImpl: StateCreator<WorkflowStore> = (set, get) => ({
 
     // Create new nodes with updated IDs and offset positions
     const newNodes: WorkflowNode[] = clipboard.nodes.map((node) => {
-      const defaults = defaultNodeDimensions[node.type as NodeType] || DEFAULT_NODE_DIMENSIONS;
       return {
         ...node,
         id: idMapping.get(node.id)!,
@@ -2321,9 +2320,7 @@ const workflowStoreImpl: StateCreator<WorkflowStore> = (set, get) => ({
           y: node.position.y + offset.y,
         },
         selected: true, // Select newly pasted nodes
-        // Reset height to defaults so BaseNode's ResizeObserver
+        style: clonePreservingStrings(node.style) as WorkflowNode["style"],
-        // can correctly add settings panel height from the right baseline
-        style: { width: node.style?.width ?? defaults.width, height: defaults.height },
         data: clonePreservingStrings(node.data),
       };
     });

src/utils/__tests__/nodeSizing.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect, it } from "vitest";
 
-import { resolveInitialNodeSize, resolveNodeAutoSize } from "../nodeSizing";
+import { resolveInitialNodeSize, resolveMediaNodeCreationSizeFromDimensions, resolveNodeAutoSize } from "../nodeSizing";
 
 describe("resolveNodeAutoSize", () => {
   it("uses real media dimensions before aspect ratio settings", () => {
@@ -64,3 +64,9 @@ describe("resolveInitialNodeSize", () => {
     ).toEqual({ width: 346, height: 619 });
   });
 });
+
+describe("resolveMediaNodeCreationSizeFromDimensions", () => {
+  it("sizes media nodes from dimensions using the shared short-side rule", () => {
+    expect(resolveMediaNodeCreationSizeFromDimensions({ width: 600, height: 300 })).toEqual({ width: 692, height: 346 });
+  });
+});

src/utils/__tests__/outpaintingNodes.test.ts

@@ -0,0 +1,20 @@
+import { describe, expect, it } from "vitest";
+
+import { deriveOutpaintingOutputDimensions } from "../outpaintingNodes";
+
+describe("deriveOutpaintingOutputDimensions", () => {
+  it("expands source dimensions from outpainting insets", () => {
+    expect(
+      deriveOutpaintingOutputDimensions(
+        { width: 1000, height: 500 },
+        { left: 0.2, right: 0.3, top: 0.1, bottom: 0.1 }
+      )
+    ).toEqual({ width: 1500, height: 600 });
+  });
+
+  it("returns null when source dimensions are unavailable", () => {
+    expect(
+      deriveOutpaintingOutputDimensions(null, { left: 0.2, right: 0.3, top: 0.1, bottom: 0.1 })
+    ).toBeNull();
+  });
+});

src/utils/__tests__/splitGridNodes.test.ts

@@ -13,7 +13,7 @@ describe("createSplitGridImageNodes", () => {
       type: "imageInput",
       position: { x: 100, y: 200 },
       data: {},
-      width: 300,
+      style: { width: 300, height: 280 },
     } as WorkflowNode;
 
     const createdNodeIds = createSplitGridImageNodes({
@@ -47,7 +47,7 @@ describe("createSplitGridImageNodes", () => {
           },
         },
       }),
-      undefined,
+      { width: 300, height: 280 },
       { skipCollision: true }
     );
     expect(addNode).toHaveBeenCalledWith(
@@ -70,7 +70,7 @@ describe("createSplitGridImageNodes", () => {
           },
         },
       }),
-      undefined,
+      { width: 300, height: 280 },
       { skipCollision: true }
     );
     expect(onConnect).toHaveBeenCalledWith({
@@ -96,7 +96,7 @@ describe("createSplitGridImageNodes", () => {
       type: "imageInput",
       position: { x: 100, y: 200 },
       data: {},
-      width: 300,
+      style: { width: 300, height: 280 },
     } as WorkflowNode;
 
     createSplitGridImageNodes({
@@ -113,7 +113,7 @@ describe("createSplitGridImageNodes", () => {
       "smartImage",
       expect.objectContaining({ x: 620, y: 200 }),
       expect.objectContaining({ filename: "split-1-1.png", customTitle: "1-1" }),
-      undefined,
+      { width: 300, height: 280 },
       { skipCollision: true }
     );
     expect(addNode).toHaveBeenNthCalledWith(
@@ -121,7 +121,7 @@ describe("createSplitGridImageNodes", () => {
       "smartImage",
       expect.objectContaining({ x: 620 + 324, y: 200 }),
       expect.objectContaining({ filename: "split-1-3.png", customTitle: "1-3" }),
-      undefined,
+      { width: 300, height: 280 },
       { skipCollision: true }
     );
     expect(addNode).toHaveBeenNthCalledWith(
@@ -129,7 +129,7 @@ describe("createSplitGridImageNodes", () => {
       "smartImage",
       expect.objectContaining({ x: 620 + 648, y: 200 }),
       expect.objectContaining({ filename: "split-2-2.png", customTitle: "2-2" }),
-      undefined,
+      { width: 300, height: 280 },
       { skipCollision: true }
     );
     expect(addNode).toHaveBeenNthCalledWith(
@@ -137,7 +137,45 @@ describe("createSplitGridImageNodes", () => {
       "smartImage",
       expect.objectContaining({ x: 620, y: 200 + 304 }),
       expect.objectContaining({ filename: "split-3-3.png", customTitle: "3-3" }),
-      undefined,
+      { width: 300, height: 280 },
+      { skipCollision: true }
+    );
+  });
+
+  it("uses source media dimensions to size and place split image nodes", () => {
+    const addNode = vi.fn((type: string, _position: unknown, _data: unknown) => `${type}-node-${addNode.mock.calls.length}`);
+    const onConnect = vi.fn();
+    const sourceNode = {
+      id: "source-1",
+      type: "imageInput",
+      position: { x: 100, y: 200 },
+      data: { dimensions: { width: 1800, height: 900 } },
+      style: { width: 692, height: 346 },
+    } as WorkflowNode;
+
+    createSplitGridImageNodes({
+      sourceNode,
+      rows: 3,
+      cols: 3,
+      selectedCellKeys: new Set(["1-1", "1-2"]),
+      addNode,
+      onConnect,
+    });
+
+    expect(addNode).toHaveBeenNthCalledWith(
+      1,
+      "smartImage",
+      expect.objectContaining({ x: 1012, y: 200 }),
+      expect.objectContaining({ filename: "split-1-1.png" }),
+      { width: 692, height: 346 },
+      { skipCollision: true }
+    );
+    expect(addNode).toHaveBeenNthCalledWith(
+      2,
+      "smartImage",
+      expect.objectContaining({ x: 1012 + 716, y: 200 }),
+      expect.objectContaining({ filename: "split-1-2.png" }),
+      { width: 692, height: 346 },
       { skipCollision: true }
     );
   });

src/utils/derivedImageNodes.ts

@@ -8,11 +8,16 @@ interface AddDerivedImageNodeOptions {
   skipCollision?: boolean;
 }
 
+interface DerivedImageNodeSize {
+  width?: number;
+  height?: number;
+}
+
 type AddSmartImageNode = (
   type: "smartImage",
   position: XYPosition,
   initialData?: Partial<SmartImageNodeData>,
-  size?: undefined,
+  size?: DerivedImageNodeSize,
   options?: AddDerivedImageNodeOptions
 ) => string;
 
@@ -34,9 +39,11 @@ export interface CreatePendingDerivedImageNodeOptions {
   sourceNodeId: string;
   position: XYPosition;
   filename: string;
+  dimensions?: { width: number; height: number } | null;
   customTitle: string;
   operation: DerivedImageOperation;
   task: DerivedImageTask;
+  size?: DerivedImageNodeSize;
   skipCollision?: boolean;
   addNode: AddSmartImageNode;
   onConnect: (connection: Connection) => void;
@@ -85,9 +92,11 @@ export function createPendingDerivedImageNode({
   sourceNodeId,
   position,
   filename,
+  dimensions = null,
   customTitle,
   operation,
   task,
+  size,
   skipCollision = false,
   addNode,
   onConnect,
@@ -99,7 +108,7 @@ export function createPendingDerivedImageNode({
     assetId: undefined,
     previewImage: undefined,
     filename,
-    dimensions: null,
+    dimensions,
     customTitle,
     derivedImage: {
       sourceNodeId,
@@ -108,7 +117,7 @@ export function createPendingDerivedImageNode({
     },
     status: "loading",
     error: null,
-  }, undefined, { skipCollision });
+  }, size, { skipCollision });
 
   onConnect({
     source: sourceNodeId,

src/utils/nodeSizing.ts

@@ -82,6 +82,12 @@ function resolveMediaNodeSize(dimensions: MediaDimensions | null): NodeSize | nu
   return width && height ? calculateMediaNodeSizeByShortSide(width / height) : null;
 }
 
+export function resolveMediaNodeCreationSizeFromDimensions(
+  dimensions: MediaDimensions | null | undefined
+): NodeSize | null {
+  return resolveMediaNodeSize(dimensions ?? null);
+}
+
 export function resolveNodeSizeFromAspectRatio(value: unknown): { width: number; height: number } | null {
   return getGenerationNodeSizeForAspectRatio(value);
 }

src/utils/outpaintingNodes.ts

@@ -1 +1,24 @@
 export const OUTPAINTING_DEFAULT_PROMPT = "将画面自然延展，补充完整场景";
+
+interface MediaDimensions {
+  width: number;
+  height: number;
+}
+
+interface OutpaintingInsets {
+  top: number;
+  left: number;
+  right: number;
+  bottom: number;
+}
+
+export function deriveOutpaintingOutputDimensions(
+  sourceDimensions: MediaDimensions | null | undefined,
+  params: OutpaintingInsets
+): MediaDimensions | null {
+  if (!sourceDimensions) return null;
+  return {
+    width: Math.max(1, Math.round(sourceDimensions.width * (1 + params.left + params.right))),
+    height: Math.max(1, Math.round(sourceDimensions.height * (1 + params.top + params.bottom))),
+  };
+}

src/utils/spatialLayout.ts

@@ -1,6 +1,4 @@
 import { Node } from "@xyflow/react";
-import { defaultNodeDimensions } from "@/store/utils/nodeDefaults";
-import { NodeType } from "@/types";
 
 const COLLISION_GAP = 20; // Same as STACK_GAP in MultiSelectToolbar
 
@@ -29,17 +27,10 @@ export function rectanglesIntersect(a: Rectangle, b: Rectangle): boolean {
  */
 export function findNearestFreePosition(
   targetPos: { x: number; y: number },
-  nodeType: NodeType,
   existingNodes: Node[],
-  dimensions?: Partial<{ width: number; height: number }>
+  dimensions: { width: number; height: number }
 ): { x: number; y: number } {
-  const defaults = defaultNodeDimensions[nodeType];
+  const { width, height } = dimensions;
-  const width = typeof dimensions?.width === "number" && Number.isFinite(dimensions.width) && dimensions.width > 0
-    ? dimensions.width
-    : defaults.width;
-  const height = typeof dimensions?.height === "number" && Number.isFinite(dimensions.height) && dimensions.height > 0
-    ? dimensions.height
-    : defaults.height;
 
   // Try original position first
   if (!hasCollision(targetPos, width, height, existingNodes)) {
@@ -90,12 +81,9 @@ function hasCollision(
   };
 
   for (const node of existingNodes) {
-    const nodeWidth =
+    const nodeWidth = node.style?.width as number | undefined;
-      (node.style?.width as number) ||
+    const nodeHeight = node.style?.height as number | undefined;
-      300;
+    if (typeof nodeWidth !== "number" || typeof nodeHeight !== "number") continue;
-    const nodeHeight =
-      (node.style?.height as number) ||
-      300;
 
     const existingRect: Rectangle = {
       x: node.position.x,

src/utils/splitGridNodes.ts

@@ -1,8 +1,8 @@
 import type { XYPosition } from "@xyflow/react";
 import type { Connection } from "@xyflow/react";
 import type { SmartImageNodeData, WorkflowNode } from "@/types";
-import { defaultNodeDimensions } from "@/constants/nodeDimensions";
 import { createPendingDerivedImageNode } from "@/utils/derivedImageNodes";
+import { resolveMediaNodeCreationSizeFromDimensions } from "@/utils/nodeSizing";
 
 interface SplitGridNodeCreationOptions {
   sourceNode: WorkflowNode;
@@ -15,8 +15,7 @@ interface SplitGridNodeCreationOptions {
 }
 
 function getNodeWidth(node: WorkflowNode) {
-  if (typeof node.style?.width === "number") return node.style.width;
+  return node.style?.width as number;
-  return defaultNodeDimensions.imageInput.width;
 }
 
 function getSplitNodeStartPosition(sourceNode: WorkflowNode): XYPosition {
@@ -26,6 +25,37 @@ function getSplitNodeStartPosition(sourceNode: WorkflowNode): XYPosition {
   };
 }
 
+function readNodeDimensions(node: WorkflowNode): { width: number; height: number } | null {
+  const dimensions = (node.data as { dimensions?: unknown }).dimensions;
+  if (!dimensions || typeof dimensions !== "object") return null;
+  const record = dimensions as { width?: unknown; height?: unknown };
+  return typeof record.width === "number" &&
+    typeof record.height === "number" &&
+    Number.isFinite(record.width) &&
+    Number.isFinite(record.height) &&
+    record.width > 0 &&
+    record.height > 0
+    ? { width: record.width, height: record.height }
+    : null;
+}
+
+function resolveSplitNodeDimensions(sourceNode: WorkflowNode, rows: number, cols: number): { width: number; height: number } | null {
+  const sourceDimensions = readNodeDimensions(sourceNode);
+  return sourceDimensions
+    ? { width: sourceDimensions.width / cols, height: sourceDimensions.height / rows }
+    : null;
+}
+
+function resolveSplitNodeSize(sourceNode: WorkflowNode, splitDimensions: { width: number; height: number } | null): { width: number; height: number } {
+  const splitNodeSize = resolveMediaNodeCreationSizeFromDimensions(splitDimensions);
+  if (!splitNodeSize) {
+    const width = sourceNode.style?.width as number;
+    const height = sourceNode.style?.height as number;
+    return { width, height };
+  }
+  return splitNodeSize;
+}
+
 export function createSplitGridImageNodes({
   sourceNode,
   rows,
@@ -43,8 +73,10 @@ export function createSplitGridImageNodes({
     .filter((cell) => Number.isFinite(cell.row) && Number.isFinite(cell.col))
     .sort((a, b) => a.row - b.row || a.col - b.col);
   const start = getSplitNodeStartPosition(sourceNode);
-  const nodeWidth = defaultNodeDimensions.imageInput.width;
+  const splitDimensions = resolveSplitNodeDimensions(sourceNode, rows, cols);
-  const nodeHeight = defaultNodeDimensions.imageInput.height;
+  const splitNodeSize = resolveSplitNodeSize(sourceNode, splitDimensions);
+  const nodeWidth = splitNodeSize.width;
+  const nodeHeight = splitNodeSize.height;
   const gap = 24;
   const columns = Math.max(1, cols);
   const createdNodeIds: string[] = [];
@@ -59,6 +91,7 @@ export function createSplitGridImageNodes({
         y: start.y + rowIndex * (nodeHeight + gap),
       },
       filename: `split-${selectedCell.row}-${selectedCell.col}.png`,
+      dimensions: splitDimensions,
       customTitle: `${selectedCell.row}-${selectedCell.col}`,
       operation: "splitGrid",
       task: {
@@ -68,6 +101,7 @@ export function createSplitGridImageNodes({
         col: selectedCell.col,
         cellKey: selectedCell.key,
       },
+      size: splitNodeSize,
       skipCollision: true,
       addNode,
       onConnect,