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fix: aggressively clear protected draft dark residue

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134 2026-07-05 12:52:44 +08:00
parent 729ccec2f8
commit 20693db8b9
1 changed files with 28 additions and 10 deletions
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38
app/api/canvas/local-edit/route.ts
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@ -2657,31 +2657,49 @@ function suppressScaleAdjustProtectedFurnitureDarkAlpha(params: {
return sourceY >= sourceBox.height * 0.3;
};
let clearedPixels = 0;
let markedPixels = 0;
for (let localY = 0; localY < bbox.height; localY += 1) {
for (let localX = 0; localX < bbox.width; localX += 1) {
const alphaIndex = localY * bbox.width + localX;
const alpha = output[alphaIndex] || 0;
if (alpha === 0) continue;
markedPixels += 1;
const colorIndex = alphaIndex * 3;
const r = rawRgb[colorIndex] || 0;
const g = rawRgb[colorIndex + 1] || 0;
const b = rawRgb[colorIndex + 2] || 0;
const { luma, saturation } = getScaleAdjustPixelStats(r, g, b);
const veryDark = luma < 72;
const flatDark = luma < 110 && saturation < 0.28;
if (!veryDark && !flatDark) continue;
const sourceX = bbox.left + localX;
const sourceY = bbox.top + localY;
if (isProtectedSideArea(sourceX, sourceY)) {
output[alphaIndex] = 0;
} else {
output[alphaIndex] = 0;
}
const inProtectedSideArea = isProtectedSideArea(sourceX, sourceY);
const neutralDark =
luma < 150 &&
(saturation < 0.55 || (r < 110 && g < 110 && b < 110));
const lowContrastDark = luma < 132 && saturation < 0.32;
const shouldClear = inProtectedSideArea
? neutralDark || lowContrastDark
: luma < 100 || (luma < 132 && saturation < 0.22);
if (!shouldClear) continue;
output[alphaIndex] = 0;
clearedPixels += 1;
}
}
if (markedPixels > 0) {
console.info(
"[Canvas Local Edit] Scale adjust protected furniture dark alpha cleared:",
{
clearedRatio: Number((clearedPixels / markedPixels).toFixed(3)),
clearedPixels,
protectedPersonSide,
totalMarkedPixels: markedPixels,
}
);
}
return output;
}
@ -4934,7 +4952,7 @@ export async function POST(request: NextRequest) {
scaleAdjustPromptStrategy: isScaleAdjustOperation
? scaleAdjustPatchReference
? useScaleAdjustFullFrameStructurePatch
? "full-frame-structure-locked-draft-v5-protected-side-dark-cleared-one-shot"
? "full-frame-structure-locked-draft-v6-protected-side-dark-cleared-one-shot"
: scaleAdjustPatchReference.structureLockedDraft
? "ai-patch-workspace-structure-locked-draft-v87-subject-alpha-clipped-one-shot"
: "ai-patch-workspace-draft-v75-soft-wipe-erase-ghost-one-shot"