forked from Mashiro_Sorata/ADV-Plugin
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163 lines
6.4 KiB
163 lines
6.4 KiB
import QtQuick 2.12 |
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import QtQuick.Controls 2.12 |
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import "../../qml/api" |
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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 string center_color: configs["Center Color"] |
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readonly property string line_color: configs["Line Color"] |
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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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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.fillStyle = center_color; |
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context.fillRect(0, _y, width, 2); |
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} |
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context.fillStyle = line_color; |
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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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