PoseDetection/posedetection/src/iosMain/ at master · nateholland.bsky.social/PoseDetection · Tangled

nateholland.bsky.social / PoseDetection

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PoseDetection / posedetection / src / iosMain /

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virtualintern fix: restore pre-4.15 Skeleton.width/height contract on iOS (v4.15.6) 2mo ago

fix: restore pre-4.15 Skeleton.width/height contract on iOS (v4.15.6) v4.15 replaced the old pointForCaptureDevicePointOfInterest-based mapSkeletonToPreview with direct aspect-fit/fill math and — as a side effect — changed what Skeleton.width / Skeleton.height mean: pre-4.15: size of the VISIBLE sensor region projected onto the preview layer, in preview points. (abs of pointForCaptureDevicePointOfInterest((0,0)) vs pointForCaptureDevicePointOfInterest((1,1)) = source dims × aspect-fit/fill scale) v4.15.x: full preview layer bounds in points (too wide in FIT; too narrow in FILL). Downstream consumers that normalize via `joint.x / skeleton.width` saw skeletons drawn at the wrong scale after the bump. Joint x/y values themselves were unchanged across versions (both return preview points), so the fix is localized: set width/height = oriW*scale, oriH*scale. AnalysisObject.boundingBox still goes through the original pointForCaptureDevicePointOfInterest path (preserved pre-4.15 values); AnalysisObject.frameSize is unchanged (oriented sensor dims). No other consumer-visible coord shape changed. New Skeleton fields (leftHeel / rightHeel / leftToe / rightToe / leftIndex / rightIndex) are additive — default to null for consumers that don't reference them. Version 4.15.6. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2 months ago