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fix: accept visual shrink scale edits

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134 2026-07-04 11:06:21 +08:00
parent 48a0f2ee73
commit 6baeb57cde
2 changed files with 15 additions and 5 deletions
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7
app/api/canvas/local-edit/route.ts
View File

@ -2625,10 +2625,9 @@ async function createScaleAdjustPatchReference(params: {
} = params;
const workspaceRect = getScaleAdjustPatchWorkspaceRect(regions, scalePercent);
const workspacePixelRect = rectToPixels(workspaceRect, sourceWidth, sourceHeight);
const structureLockedDraft = hasScaleAdjustStructureTarget(
regions,
scalePercent
);
// Pixel-mask structure drafts are useful for enlargement, but in shrink
// cases they can turn dense interior details into black mask blocks.
const structureLockedDraft = hasScaleAdjustEnlargeTarget(regions, scalePercent);
const targetDraftBuffer = await buildScaleAdjustVisualLayoutGuideBuffer({
regions,
scalePercent,

13
lib/canvas/generate-image.ts
View File

@ -189,6 +189,7 @@ const SCALE_ADJUST_MARKER_CLEANUP_MARGIN = 0.035;
const SCALE_ADJUST_MARKER_DILATE_RADIUS = 3;
const SCALE_ADJUST_MARKER_MIN_PIXEL_COUNT = 18;
const SCALE_ADJUST_DIFF_SAMPLE_SIZE = 112;
const SCALE_ADJUST_FOOTPRINT_FALLBACK_DIFF_THRESHOLD = 18;
const SCALE_ADJUST_FALLBACK_MASK_DISTANCE_THRESHOLD = 42;
const SCALE_ADJUST_FALLBACK_MASK_LUMA_GAP = 18;
const SCALE_ADJUST_FALLBACK_INPAINT_ITERATIONS = 180;
@ -1582,7 +1583,15 @@ async function applyScaleAdjustVerificationToImages(params: {
const visuallyChangedInside = changeDiffScores.some(
(score) => score >= SCALE_ADJUST_VISUAL_DIFF_THRESHOLD
);
const changedInside = visuallyChangedInside && footprintStats.passed;
const footprintFallbackAccepted =
visuallyChangedInside &&
!footprintStats.passed &&
changeDiffScores.some(
(score) => score >= SCALE_ADJUST_FOOTPRINT_FALLBACK_DIFF_THRESHOLD
);
const changedInside =
(visuallyChangedInside && footprintStats.passed) ||
footprintFallbackAccepted;
const outsideChanged =
isScaleAdjustOutsideChanged(outsideDiffScores) ||
isScaleAdjustOutsidePixelChanged(outsidePixelStats);
@ -1591,6 +1600,7 @@ async function applyScaleAdjustVerificationToImages(params: {
console.info("[Canvas Generate Image] Scale adjust result guard:", {
debugLabel,
changedInside,
footprintFallbackAccepted,
footprintChanged: footprintStats.passed,
footprintStats: {
failedRegionCount: footprintStats.failedRegionCount,
@ -1669,6 +1679,7 @@ async function applyScaleAdjustVerificationToImages(params: {
imageIndex: index,
reasons: guardWarnings,
changedInside,
footprintFallbackAccepted,
footprintChanged: footprintStats.passed,
footprintStats: {
failedRegionCount: footprintStats.failedRegionCount,