forked from Mashiro_Sorata/ADV-Plugin
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188 lines
8.3 KiB
188 lines
8.3 KiB
2 years ago
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import QtQuick 2.12
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import QtQuick.Controls 2.12
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import QtGraphicalEffects 1.12
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import "../../qml/api" //导入CfgAPI.qml
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Rectangle {
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width: widget.width;
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height: widget.height;
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LinearGradient {
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id: gradient_mask
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anchors.fill: parent
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gradient: Gradient {
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GradientStop { id: p_start; position: 0.0 }
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GradientStop { id: p_middle; position: 0.5 }
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GradientStop { id: p_end; position: 1.0 }
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}
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}
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layer.enabled: true
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layer.effect: OpacityMask{
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maskSource: StyleAPI {
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readonly property var audioData: new Array(128)
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readonly property bool centerLineFlag: configs["Center Line"]
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readonly property int linePosition: configs["Line Position"]
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readonly property int uDataLen: Math.pow(2, configs["Data Length"]);
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readonly property int dataLength: 64/uDataLen
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readonly property int channel: configs["Channel"]
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readonly property bool reverse: configs["Reverse"]
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readonly property bool centerRotateFlag: configs["Rotate Settings"]["Center Enable"]
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readonly property real centerRotateAngle: configs["Rotate Settings"]["Center Angle"]
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readonly property bool lineRotateFlag: configs["Rotate Settings"]["Line Enable"]
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readonly property real lineRotateAngle: configs["Rotate Settings"]["Line Angle"]
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readonly property bool autoNormalizing: configs["Data Settings"]["Auto Normalizing"]
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readonly property real amplitude: configs["Data Settings"]["Amplitude"] / 400.0
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readonly property int unitStyle: configs["Data Settings"]["Unit Style"]
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property int total: channel * dataLength
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property real logAmplitude: Math.log10(amplitude)
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property real degUnit: Math.PI / 180
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property real halfWidth: width/2
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property real halfHeight: height/2
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onConfigsUpdated: {
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context.fillStyle = "black";
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gradient_mask.start = Qt.point(0, height*(configs["Gradient Direction"]===2))
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gradient_mask.end = Qt.point(width*(configs["Gradient Direction"]!==1), height*(configs["Gradient Direction"]%2))
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p_start.color = configs["Start Position Color"];
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p_middle.color = configs["Middle Position Color"];
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p_end.color = configs["End Position Color"];
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}
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onAudioDataUpdeted: {
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if(autoNormalizing) {
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if (unitStyle) {
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//对数化显示
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for(let i=0; i<dataLength; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += Math.max(0, 0.4 * (Math.log10(data[64-i*uDataLen-j-1]/data[128])) + 1.0);
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}
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audioData[i] /= uDataLen;
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}
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if (channel === 2) {
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for(let i=dataLength; i<total; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += Math.max(0, 0.4 * (Math.log10(data[64+(i-dataLength)*uDataLen+j]/data[128])) + 1.0);
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}
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audioData[i] /= uDataLen;
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}
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}
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} else {
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//线性化显示
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for(let i=0; i<dataLength; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += data[64-i*uDataLen-j-1];
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}
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audioData[i] /= (uDataLen * data[128]);
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}
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if (channel === 2) {
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for(let i=dataLength; i<total; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += data[64+(i-dataLength)*uDataLen+j];
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}
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audioData[i] /= (uDataLen * data[128]);
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}
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}
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}
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} else {
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if (unitStyle) {
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//对数化显示
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for(let i=0; i<dataLength; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += Math.max(0, 0.35 * (Math.log10(data[64-i*uDataLen-j-1])+logAmplitude) + 1.0);
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}
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audioData[i] /= uDataLen;
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}
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if (channel === 2) {
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for(let i=dataLength; i<total; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += Math.max(0, 0.35 * (Math.log10(data[64+(i-dataLength)*uDataLen+j])+logAmplitude) + 1.0);
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}
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audioData[i] /= uDataLen;
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}
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}
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} else {
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//线性化显示
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for(let i=0; i<dataLength; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += data[64-i*uDataLen-j-1];
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}
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audioData[i] /= (uDataLen/amplitude);
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}
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if (channel === 2) {
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for(let i=dataLength; i<total; i++) {
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audioData[i] = 0;
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for(let j=0; j<uDataLen; j++) {
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audioData[i] += data[64+(i-dataLength)*uDataLen+j];
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}
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audioData[i] /= (uDataLen/amplitude);
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}
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}
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}
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}
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let _dy;
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let _y_dy = centerRotateFlag*Math.tan(centerRotateAngle*degUnit)*halfWidth;
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let _ux = width/total;
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let _dx = Math.round(_ux/2);
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let _y = halfHeight-_y_dy
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context.clearRect(0, 0, width+32, height+32);
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if(lineRotateFlag || centerRotateFlag) {
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context.transform(1, centerRotateFlag*centerRotateAngle * degUnit, -lineRotateFlag*lineRotateAngle * degUnit, 1, lineRotateFlag*Math.sin(1.05*lineRotateAngle*degUnit)*_y, 0);
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}
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if (centerLineFlag) {
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context.fillRect(0, _y, width, 2);
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}
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//绘制频谱
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if (channel === 1 && reverse) {
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for (let i = 0; i < dataLength; i++) {
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let index = dataLength - i - 1;
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_y = halfHeight*(1-(linePosition!==2)*audioData[index])-_y_dy;
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_dy = (halfHeight + (!linePosition)*halfHeight)*audioData[index];
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context.fillRect(_ux * i, _y, _dx, _dy);
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}
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} else {
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for (let j = 0; j < channel; j++) {
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for (let i = 0; i < dataLength; i++) {
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let index = j ? ((total - dataLength) + i) : i;
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_y = halfHeight*(1-(linePosition!==2)*audioData[index])-_y_dy;
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_dy = (halfHeight + (!linePosition)*halfHeight)*audioData[index];
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context.fillRect(_ux * (i + j * dataLength), _y, _dx, _dy);
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}
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}
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}
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if (centerRotateFlag || lineRotateFlag)
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context.resetTransform();
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context.fill();
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requestPaint();
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}
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Component.onCompleted: {
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for (let i = 0; i < 128; i++) {
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audioData[i] = 0;
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}
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}
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}
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}
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}
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