feat: add PLT double cut option to plotter export

src/components/md-deck/PrintPreviewHeader.tsx

@@ -179,6 +179,20 @@ export function PrintPreviewHeader(props: PrintPreviewHeaderProps) {
           </label>
         </div>
 
+        <div class="flex items-center gap-2">
+          <label class="flex items-center gap-1 cursor-pointer">
+            <input
+              type="checkbox"
+              checked={store.state.pltDoubleCut}
+              onChange={(e) =>
+                store.actions.setPltDoubleCut(e.target.checked)
+              }
+              class="cursor-pointer"
+            />
+            <span class="text-sm text-gray-600">PLT 双切</span>
+          </label>
+        </div>
+
         <div class="flex items-center gap-2">
           <label class="text-sm text-gray-600">正面奇数页偏移:</label>
           <div class="flex items-center gap-1">

src/components/md-deck/hooks/deckStore.ts

@@ -73,6 +73,7 @@ export interface DeckState {
   printFrontOddPageOffsetX: number;
   printFrontOddPageOffsetY: number;
   printDoubleSided: boolean;
+  pltDoubleCut: boolean;
 }
 
 export interface DeckActions {
@@ -156,6 +157,7 @@ export interface DeckActions {
   setPrintFrontOddPageOffsetX: (offset: number) => void;
   setPrintFrontOddPageOffsetY: (offset: number) => void;
   setPrintDoubleSided: (doubleSided: boolean) => void;
+  setPltDoubleCut: (doubleCut: boolean) => void;
 }
 
 export interface DeckStore {
@@ -197,6 +199,7 @@ export function createDeckStore(initialSrc: string = ""): DeckStore {
     printFrontOddPageOffsetX: 0,
     printFrontOddPageOffsetY: 0,
     printDoubleSided: false,
+    pltDoubleCut: false,
   });
 
   const updateDimensions = () => {
@@ -553,6 +556,10 @@ export function createDeckStore(initialSrc: string = ""): DeckStore {
     setState({ printDoubleSided: doubleSided });
   };
 
+  const setPltDoubleCut = (doubleCut: boolean) => {
+    setState({ pltDoubleCut: doubleCut });
+  };
+
   const actions: DeckActions = {
     setSizeW,
     setSizeH,
@@ -599,6 +606,7 @@ export function createDeckStore(initialSrc: string = ""): DeckStore {
     setPrintFrontOddPageOffsetX,
     setPrintFrontOddPageOffsetY,
     setPrintDoubleSided,
+    setPltDoubleCut,
   };
 
   return { state, actions };

src/components/md-deck/hooks/usePlotterExport.ts

@@ -35,6 +35,7 @@ export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
   const cardHeight = () => store.state.dimensions?.cardHeight || 88;
   const shape = () => store.state.shape;
   const orientation = () => store.state.printOrientation || 'landscape';
+  const doubleCut = () => store.state.pltDoubleCut;
 
   /**
    * 生成单页满排时的 PLT 数据
@@ -60,7 +61,7 @@ export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
 
     // 将卡片路径转换为相对于 frameBoundsWithMargin 的坐标
     // 原点在 frameBoundsWithMargin 的左上角
-    const relativePaths = layout.cardPaths.map(cardPath => {
+    const relativePaths = layout.cardPaths.flatMap(cardPath => {
       const relativePoints = cardPath.points.map(([x, y]) => {
         // 转换为相对于 frameBounds 左上角的坐标
         const relativeX = x - frameBounds.x;
@@ -71,7 +72,11 @@ export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
         // 所以 plotterY = pltHeight - relativeY
         return [relativeX, pltHeight - relativeY] as [number, number];
       });
-      return relativePoints;
+      if (doubleCut()) {
+        // 重复一次：某些切割机需要每张卡牌切两次
+        return [relativePoints, relativePoints];
+      }
+      return [relativePoints];
     });
 
     // 起点和终点都在 frameBoundsWithMargin 的左上角 (0, pltHeight)