feat: 优化波形渲染性能与交互

src/components/rendering/seriesStyle.ts

@@ -7,7 +7,7 @@ import {
   type SymbolType,
 } from 'd3'
 
-import type { WaveformLineType, WaveformPointType } from '../../types'
+import type { WaveformLineStyle, WaveformLineType, WaveformPointType } from '../../types'
 
 const LEGEND_SWATCH_CENTER_X = 13
 const LEGEND_ERROR_BAR_TOP = 2
@@ -82,6 +82,12 @@ export function waveformLegendLinePath(lineType: WaveformLineType): string | nul
   return 'M1 8H25'
 }
 
+export function waveformLineDasharray(lineStyle: WaveformLineStyle): string | undefined {
+  if (lineStyle === 'dashed') return '8 5'
+  if (lineStyle === 'dash-dot') return '8 5 1.5 5'
+  return undefined
+}
+
 export function waveformLegendErrorBarPath(capWidth: number): string {
   const resolvedCapWidth =
     Number.isFinite(capWidth) && capWidth > 0