11

lib/print/pavo/pavo_backend.dart

@@ -113,17 +113,22 @@ Future<void> pavoPrintSync({
   }
   final printer = printers.first.toNativeUtf16();
   try {
-    final frontImg = CardImage.fromDataUrl(frontColor);
+    // Windows Pavo 直打方向校准（2026-09-23 实测）：纵向位图 + byOrientation=1 会被
+    // SDK 旋转 90° 且锚定错位；统一预旋转成 1014×642 横向位图后按 byOrientation=2 打印。
+    // 旋转方向常量见 card_image.dart 的 pavoPortraitRotateClockwise（测试卡校准）。
+    final frontImg = CardImage.fromDataUrl(frontColor).toLandscape();
     final frontBgr = frontImg.toBgr24();
-    final Uint8List? frontKGray =
-        frontK != null && frontK.isNotEmpty ? CardImage.fromDataUrl(frontK).toGray8() : null;
+    final Uint8List? frontKGray = frontK != null && frontK.isNotEmpty
+        ? CardImage.fromDataUrl(frontK).toLandscape().toGray8()
+        : null;
     final Uint8List? backBgr;
     final Uint8List? backKGray;
     if (backColor != null && backColor.isNotEmpty) {
-      final backImg = CardImage.fromDataUrl(backColor);
+      final backImg = CardImage.fromDataUrl(backColor).toLandscape();
       backBgr = backImg.toBgr24();
-      backKGray =
-          backK != null && backK.isNotEmpty ? CardImage.fromDataUrl(backK).toGray8() : null;
+      backKGray = backK != null && backK.isNotEmpty
+          ? CardImage.fromDataUrl(backK).toLandscape().toGray8()
+          : null;
     } else {
       backBgr = null;
       backKGray = null;
@@ -136,7 +141,7 @@ Future<void> pavoPrintSync({
       frontK: frontKGray,
       backBgr: backBgr,
       backK: backKGray,
-      isLandscape: frontImg.isLandscape,
+      isLandscape: true,
       copies: copies,
     );
   } finally {