From fa5212a33e68d3a582cbf3aa55da4f5a643333e2 Mon Sep 17 00:00:00 2001
From: 134 <a134@134deMacBook-Pro.local>
Date: Sun, 5 Jul 2026 22:25:56 +0800
Subject: [PATCH] fix: keep furniture scale drafts mask based

---
 app/api/canvas/local-edit/route.ts | 46 +++++++-----------------------
 1 file changed, 11 insertions(+), 35 deletions(-)

diff --git a/app/api/canvas/local-edit/route.ts b/app/api/canvas/local-edit/route.ts
index 8137722e3..3f0dc7147 100644
--- a/app/api/canvas/local-edit/route.ts
+++ b/app/api/canvas/local-edit/route.ts
@@ -2931,42 +2931,18 @@ async function buildScaleAdjustStructureLockedComposite(params: {
     ((sourceCenterY - placement.sourceFootprintBox.top) /
       Math.max(1, placement.sourceFootprintBox.height)) *
       placement.targetBox.height;
-  const useRectCropTargetGuide = preferPixelStructure && Boolean(protectedPersonSide);
-  const structureOverlay = useRectCropTargetGuide
-    ? await sharp(sourceBuffer, { failOn: "none" })
-        .extract(placement.sourceBox)
-        .resize(placement.placedWidth, placement.placedHeight, {
-          fit: "fill",
-          kernel: sharp.kernel.lanczos3,
-        })
-        .ensureAlpha()
-        .composite([
-          {
-            input: buildScaleAdjustPatchMaskSvg({
-              height: placement.placedHeight,
-              width: placement.placedWidth,
-            }),
-            blend: "dest-in",
-          },
-        ])
-        .png({ compressionLevel: 6 })
-        .toBuffer()
-    : await sharp(subjectCrop, { failOn: "none" })
-        .joinChannel(subjectAlpha)
-        .resize(placedWidth, placedHeight, {
-          fit: "fill",
-          kernel: sharp.kernel.lanczos3,
-        })
-        .png({ compressionLevel: 6 })
-        .toBuffer();
+  const structureOverlay = await sharp(subjectCrop, { failOn: "none" })
+    .joinChannel(subjectAlpha)
+    .resize(placedWidth, placedHeight, {
+      fit: "fill",
+      kernel: sharp.kernel.lanczos3,
+    })
+    .png({ compressionLevel: 6 })
+    .toBuffer();
   const targetClipMaskPatch =
     await buildScaleAdjustOverlayClipMaskPatch(structureOverlay);
-  const overlayLeft = useRectCropTargetGuide
-    ? placement.placedLeft
-    : Math.round(targetCenterX - placedWidth / 2);
-  const overlayTop = useRectCropTargetGuide
-    ? placement.placedTop
-    : Math.round(targetCenterY - placedHeight / 2);
+  const overlayLeft = Math.round(targetCenterX - placedWidth / 2);
+  const overlayTop = Math.round(targetCenterY - placedHeight / 2);
 
   return {
     compositeClip: {
@@ -2974,7 +2950,7 @@ async function buildScaleAdjustStructureLockedComposite(params: {
       left: placement.sourceBox.left,
       top: placement.sourceBox.top,
     },
-    method: useRectCropTargetGuide ? "rect-crop-guide" : "pixel-mask",
+    method: "pixel-mask",
     overlay: {
       input: structureOverlay,
       left: overlayLeft,