feat: add smooth freehand drawing with continuous drawing mode#779
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benoist wants to merge 41 commits intoklinecharts:mainfrom
Open
feat: add smooth freehand drawing with continuous drawing mode#779benoist wants to merge 41 commits intoklinecharts:mainfrom
benoist wants to merge 41 commits intoklinecharts:mainfrom
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Feat (Flexible zoom behaviour): Implement flexible zoom anchor point behavior setting api
Flexible zoom behaviour
Feat support set barspace limit
…o allow parse to heikin_ashi
…urn hiekin ashi if required
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I left freePath option in as extension, as I believe these are on the same level as the other extension in this library and helps to test the code. |
Feat heikin ashi bars
…ay cause incorrect display
Co-authored-by: Abdulbasit Mamman <basttyy@gmail.com>
- Add continuous drawing mode for overlays (click-drag-release pattern) - Implement smooth freehand drawing with sub-pixel precision using float indices - Add precise timestamp interpolation for drawings to persist across timeframe changes - Support drawing beyond the last candle (extrapolation into future) - Add freePath overlay for freehand drawing - Add lineCap/lineJoin support for smooth stroke rendering New methods in Store: - floatIndexToTimestamp(): converts float indices to interpolated timestamps - timestampToFloatIndex(): converts precise timestamps back to float indices
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Summary
freePathoverlay for freehand drawing with click-and-dragfloatIndexToTimestampandtimestampToFloatIndexmethods for precise timestamp interpolationChanges
src/component/Overlay.ts: AdddrawingModeproperty and continuous drawing methodssrc/view/OverlayView.ts: Handle continuous drawing events and float index renderingsrc/Store.ts: AddcoordinateToFloatIndex,floatIndexToTimestamp,timestampToFloatIndexsrc/extension/overlay/freePath.ts: New freehand drawing overlaysrc/extension/figure/line.ts: AddlineCapandlineJoinsupportTest plan