font-size fix when moving caret

dist/assets/a-doc-editor2.js

@@ -260,7 +260,6 @@ var ADocEditor = function (customConfig) {
         function calculateTextSizeAndPosition() {
             let d = 0, c = 0;
             function getLineObj() {
-
                 let newLineObj = {
                     ...config.style,
                     x: 0, // this is the starting point x; it will change based on the tabNumber
@@ -309,6 +308,7 @@ var ADocEditor = function (customConfig) {
                 }
                 for (c = 0; c < dataBlock.plainContent.length; c++) {
                     let style = dataBlock?.formatedText?.[c]
+                    lineObj.maxFontSize = (lineObj.maxFontSize<dataBlock?.formatedText?.[c].fontSize)?dataBlock?.formatedText?.[c].fontSize:lineObj.maxFontSize
 
                     if (/\s/.test(dataBlock.plainContent[c])) {
                         // condition to check if a blank character is found.
@@ -768,23 +768,19 @@ var ADocEditor = function (customConfig) {
             caretData.previousCaret = null
         }
         if (!caretData.blink) {
-            let x = config.format.margin * pxMmRatio
-            let y = (config.format.margin) * pxMmRatio
-            let height = config.style.fontSize * pxMmRatio * 5 / 4
-            let charData = caretData.activeData.formatedText[caretData.index - 1]
-            if (charData) {
-                x = charData.x + charData.width
-                y = charData.y - charData.fontSize * pxMmRatio
-            } else {
             let dataIndex = dataList.findIndex(item => item.id == caretData.activeData.id)
             let lineObj = lines.find(item => item.dataIndex == dataIndex && caretData.index >= item.charStartIndex)
+            let x = (config.format.margin * pxMmRatio) + lineObj.tabWidth
+            let y = (config.format.margin) * pxMmRatio
+            let height = lineObj.maxFontSize * pxMmRatio * 5 / 4
+            let width = height / 10
+
+            let charData = caretData.activeData.formatedText[caretData.index - 1]
             if (lineObj) {
-                    x += lineObj.tabWidth
-                    y = lineObj.y - lineObj.maxFontSize * pxMmRatio
-                }
+                x = (charData?(charData.x+charData.width):x)
+                y = lineObj.y-(lineObj.maxFontSize*pxMmRatio)
             }
 
-            let width = height / 10
 
             const imageData = ctx.getImageData(x, y, width, height);
             const data = imageData.data;