feat: 单声轨包含两个声部计算节拍器时长问题修复

src/helpers/calcSpeed.ts

@@ -116,7 +116,7 @@ export type GradualItem = {
  * @param xml 始终按照第一分谱进行减慢速度的计算
  */
 export const getGradualLengthByXml = (xml: string) => {
-	const firstPartXml = onlyVisible(xml, 0)
+	const firstPartXml = onlyVisible(xml, 0, 'calc')
 	const xmlParse = new DOMParser().parseFromString(firstPartXml, "text/xml");
 	const measures = Array.from(xmlParse.querySelectorAll("measure"));
 	const notes = Array.from(xmlParse.querySelectorAll("note"));

src/helpers/formateMusic.ts

@@ -357,7 +357,7 @@ export const isRepeatWord = (text: string): boolean => {
 	return false;
 };
 
-export const onlyVisible = (xml: string, partIndex: number): string => {
+export const onlyVisible = (xml: string, partIndex: number, resourceType?: string): string => {
 	if (!xml) return "";
 	// console.log('原始xml')
 	const detailId = state.examSongId + "";
@@ -493,6 +493,16 @@ export const onlyVisible = (xml: string, partIndex: number): string => {
 
 			// 最后一个小节的结束线元素不在最后 调整
 			if (part && part.getAttribute("id") === id) {
+				if (!resourceType) {
+					const backups = Array.from(part.getElementsByTagName('backup')) || []
+					for (let backup of backups) {
+						// @ts-ignore
+						if (backup && backup?.getElementsByTagName('duration')?.length) {
+							state.isSingleMutliTrack = true;
+							break;
+						}
+					}
+				}
 				const barlines = part.getElementsByTagName("barline");
 				const lastParent = barlines[barlines.length - 1]?.parentElement;
 				if (lastParent?.lastElementChild?.tagName !== "barline") {
@@ -1459,7 +1469,7 @@ export const formateTimes = (osmd: OpenSheetMusicDisplay) => {
 			// console.log('👀看看endtime', nodeDetail.duration, relaEndtime, fixtime, i)
 			// console.log('音符时间',nodeDetail.i,nodeDetail.time,nodeDetail.endtime)
 			tickables = tickables.filter((tickable: any) => tickable.attrs?.type !== "GhostNote")
-			let maxNum = (state.isCombineRender && note.maxNoteNum) ? note.maxNoteNum : tickables.length;
+			let maxNum = (state.isCombineRender && note.maxNoteNum) || state.isSingleMutliTrack ? note.maxNoteNum : tickables.length;
 			// 妙极客的曲子，一个休止小节内可能有多个休止符，此时maxNum是0，需要针对这种情况作处理
 			if (note.isRestFlag && maxNum === 0) {
 				maxNum = note.maxNoteNum;

src/state.ts

@@ -606,6 +606,8 @@ const state = reactive({
   speedIcon: 'speed3', // 默认取1/4拍的图片
   /** xml的第一个measure标签的number */
   firstMeasureNumber: 1,
+  /** 是否是单声轨多声部的声轨 */
+  isSingleMutliTrack: false,
 });
 const browserInfo = browser();
 let offset_duration = 0;