wehub-resource-sync
44 lines
1.0 KiB
Go
44 lines
1.0 KiB
Go
package ui
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import "strings"
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// renderBarsOutline draws only the top edge of each bar as a horizontal line,
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// with empty space below — a minimal line-graph style visualizer.
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func (v *Visualizer) renderBarsOutline(bands []float64) string {
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height := v.Rows
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lines := make([]string, height)
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bandCount := len(bands)
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for row := range height {
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var content strings.Builder
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rowBottom := float64(height-1-row) / float64(height)
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rowTop := float64(height-row) / float64(height)
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for i, level := range bands {
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bw := visBandWidth(bandCount, i)
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if level >= rowTop {
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// Fully below the peak — empty inside.
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for range bw {
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content.WriteByte(' ')
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}
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} else if level > rowBottom {
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// This row contains the peak — draw the outline.
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for range bw {
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content.WriteRune('─')
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}
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} else {
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// Above the peak — empty.
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for range bw {
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content.WriteByte(' ')
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}
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}
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if i < bandCount-1 {
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content.WriteByte(' ')
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}
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}
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lines[row] = specWrap(rowBottom, content.String())
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}
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return strings.Join(lines, "\n")
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}
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