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fix(chart): refine axis number formatting
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李启源
2026-08-04 11:28:42 +08:00
parent f98c264562
commit c5aa3c662a
22 changed files with 217 additions and 262 deletions
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32
src/components/core/useWaveformLayout.ts
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@@ -2,7 +2,7 @@ import { scaleLinear, type ZoomTransform } from 'd3'
import { computed, type ComputedRef, type Ref, type ShallowRef } from 'vue'
import { resolveWaveformRenderingOptions } from '../../core'
import { formatScientificAxisExponent, formatScientificAxisLabel, paddedDomain } from '../../utils'
import { paddedDomain } from '../../utils'
import {
layoutAnnotations,
type AnnotationSeriesInfo,
@@ -28,9 +28,9 @@ import {
} from './grid'
import {
buildTrackLayouts,
axisTextMetrics,
measureTrackYAxisClearance,
resolveYAxisSeriesGroups,
Y_AXIS_EXPONENT_GAP,
} from './layout'
import type { DisplaySeries, DisplayTrack, TrackLayout } from './types'
import type { PreparedWaveformSeries } from './useWaveformData'
@@ -112,40 +112,18 @@ export function useWaveformLayout(context: LayoutContext) {
.flatMap((track) =>
resolveYAxisSeriesGroups(track, props.overlayMode, props.yDomain, props.yDomains),
)
.map((group) => {
const scale = scaleLinear(group.domain, [1, 0])
if (!group.fixed) scale.nice()
const [axisMin, axisMax] = scale.domain()
return {
exponentLabel: formatScientificAxisExponent(axisMin, axisMax),
tickLabels: scale
.ticks(10)
.map((value) => formatScientificAxisLabel(value, { axisMin, axisMax })),
}
})
const maximumCharacters = Math.max(
1,
...axisText.flatMap(({ tickLabels }) => tickLabels).map((label) => label.length),
)
const tickTextWidth = maximumCharacters * Y_AXIS_CHARACTER_WIDTH
const maximumExponentWidth = Math.max(
0,
...axisText.map(({ exponentLabel }) => (exponentLabel?.length ?? 0) * Y_AXIS_CHARACTER_WIDTH),
)
const exponentClearance = maximumExponentWidth ? maximumExponentWidth + Y_AXIS_EXPONENT_GAP : 0
const tickClearance =
tickTextWidth + Y_AXIS_TICK_PADDING + exponentClearance + Y_AXIS_OUTER_PADDING
.map((group) => axisTextMetrics(group.domain, !group.fixed).tickTextWidth)
const tickTextWidth = Math.max(Y_AXIS_CHARACTER_WIDTH, ...axisText)
const tickClearance = tickTextWidth + Y_AXIS_TICK_PADDING + Y_AXIS_OUTER_PADDING
const labelCenterX = -(
Y_AXIS_TICK_PADDING +
tickTextWidth +
exponentClearance +
Y_AXIS_LABEL_GAP +
Y_AXIS_LABEL_BAND_WIDTH / 2
)
const fullClearance =
tickTextWidth +
Y_AXIS_TICK_PADDING +
exponentClearance +
Y_AXIS_LABEL_GAP +
Y_AXIS_LABEL_BAND_WIDTH +
Y_AXIS_OUTER_PADDING