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feat(ui): respect aspect ratio when resizing bbox on canvas #8474

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merged 1 commit into from
Aug 25, 2025
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feat(ui): respect aspect ratio when resizing bbox on canvas #8474

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6 changes: 3 additions & 3 deletions invokeai/frontend/web/src/features/controlLayers/konva/CanvasTool/CanvasBboxToolModule.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -344,9 +344,9 @@ export class CanvasBboxToolModule extends CanvasModuleBase {
let width = roundToMultipleMin(this.konva.proxyRect.width() * this.konva.proxyRect.scaleX(), gridSize);
let height = roundToMultipleMin(this.konva.proxyRect.height() * this.konva.proxyRect.scaleY(), gridSize);

// If shift is held and we are resizing from a corner, retain aspect ratio - needs special handling. We skip this
// if alt/opt is held - this requires math too big for my brain.
if (shift && CORNER_ANCHORS.includes(anchor) && !alt) {
// If ratio is locked OR shift is held and we are resizing from a corner, retain aspect ratio - needs special
// handling. We skip this if alt/opt is held - this requires math too big for my brain.
if ((this.manager.stateApi.getBbox().aspectRatio.isLocked || (shift && CORNER_ANCHORS.includes(anchor))) && !alt) {
// Fit the bbox to the last aspect ratio
let fittedWidth = Math.sqrt(width * height * this.$aspectRatioBuffer.get());
let fittedHeight = fittedWidth / this.$aspectRatioBuffer.get();
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