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noctalia-shell/Widgets/AudioSpectrum/NMirroredSpectrum.qml
T

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2.0 KiB
QML

import QtQuick
import qs.Commons
Item {
id: root
property color fillColor: Color.mPrimary
property color strokeColor: Color.mOnSurface
property int strokeWidth: 0
property var values: []
property bool vertical: false
// Minimum signal properties
property bool showMinimumSignal: false
property real minimumSignalValue: 0.05 // Default to 5% of height
// Pre-compute mirroring
readonly property int valuesCount: (values && Array.isArray(values)) ? values.length : 0
readonly property int totalBars: valuesCount * 2
readonly property real barSlotSize: totalBars > 0 ? (vertical ? height : width) / totalBars : 0
readonly property bool highQuality: (Settings.data.audio.visualizerType === "low") ? false : true
readonly property real centerY: height / 2
readonly property real centerX: width / 2
Repeater {
model: root.totalBars
Rectangle {
// The first half of bars are a mirror image (reversed values array).
// The second half of bars are in normal order.
property int valueIndex: index < root.valuesCount ? root.valuesCount - 1 - index // Mirrored half
: index - root.valuesCount // Normal half
property real rawAmp: (root.values && root.values[valueIndex] !== undefined) ? root.values[valueIndex] : 0
property real amp: (root.showMinimumSignal && rawAmp === 0) ? root.minimumSignalValue : rawAmp
property real barSize: (vertical ? root.width : root.height) * amp
color: root.fillColor
border.color: root.strokeColor
border.width: root.strokeWidth
antialiasing: root.highQuality
smooth: root.highQuality
width: vertical ? barSize : root.barSlotSize * 0.8
height: vertical ? root.barSlotSize * 0.8 : barSize
x: vertical ? root.centerX - (barSize / 2) : index * root.barSlotSize + (root.barSlotSize * 0.25)
y: vertical ? index * root.barSlotSize + (root.barSlotSize * 0.25) : root.centerY - (barSize / 2)
// Disable updates when invisible to save GPU
visible: root.visible
}
}
}