lunanting/ai-chatbot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix: avoid compositing dirty full-frame scale drafts

Browse Source
This commit is contained in:
134 2026-07-05 22:53:11 +08:00
parent fa5212a33e
commit deee79c5c2
1 changed files with 38 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
app/api/canvas/local-edit/route.ts
View File

@ -2931,18 +2931,42 @@ async function buildScaleAdjustStructureLockedComposite(params: {
((sourceCenterY - placement.sourceFootprintBox.top) /
Math.max(1, placement.sourceFootprintBox.height)) *
placement.targetBox.height;
const structureOverlay = await sharp(subjectCrop, { failOn: "none" })
.joinChannel(subjectAlpha)
.resize(placedWidth, placedHeight, {
fit: "fill",
kernel: sharp.kernel.lanczos3,
})
.png({ compressionLevel: 6 })
.toBuffer();
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 targetClipMaskPatch =
await buildScaleAdjustOverlayClipMaskPatch(structureOverlay);
const overlayLeft = Math.round(targetCenterX - placedWidth / 2);
const overlayTop = Math.round(targetCenterY - placedHeight / 2);
const overlayLeft = useRectCropTargetGuide
? placement.placedLeft
: Math.round(targetCenterX - placedWidth / 2);
const overlayTop = useRectCropTargetGuide
? placement.placedTop
: Math.round(targetCenterY - placedHeight / 2);
return {
compositeClip: {
@ -2950,7 +2974,7 @@ async function buildScaleAdjustStructureLockedComposite(params: {
left: placement.sourceBox.left,
top: placement.sourceBox.top,
},
method: "pixel-mask",
method: useRectCropTargetGuide ? "rect-crop-guide" : "pixel-mask",
overlay: {
input: structureOverlay,
left: overlayLeft,
@ -5032,7 +5056,8 @@ export async function POST(request: NextRequest) {
: "locked-plate-semantic-target-map-no-old-crop-v15"
: undefined,
scaleAdjustPostCompositeApplied:
Boolean(scaleAdjustPatchReference),
Boolean(scaleAdjustPatchReference) &&
!useScaleAdjustFullFrameStructurePatch,
scaleAdjustUsesFullFrameOutput:
isScaleAdjustOperation &&
(!scaleAdjustPatchReference || useScaleAdjustFullFrameStructurePatch),
@ -5070,7 +5095,7 @@ export async function POST(request: NextRequest) {
? { maskImageUrl: scaleAdjustEditMaskUpload.url }
: undefined,
referenceImages,
scaleAdjustPatchComposite: scaleAdjustPatchReference
scaleAdjustPatchComposite: scaleAdjustPatchReference && !useScaleAdjustFullFrameStructurePatch
? {
diffAlphaCutoff:
scaleAdjustPatchReference.structureLockedDraft ? 24 : 8,
@ -5086,9 +5111,6 @@ export async function POST(request: NextRequest) {
scaleAdjustPatchReference.structureLockedDraft ? 36 : 42,
featherMinPx: 10,
featherRatio: 0.018,
generatedFrame: useScaleAdjustFullFrameStructurePatch
? "full"
: "workspace",
maskMode: "diff",
regions: scaleAdjustPatchCompositeRegions,
sourceImageUrl,