修复北斗授时的bug以及为字体设计新增显示到LED屏的功能

src/render/views/FontDesign/DotMatrixScreenDisplayView/index.vue

@@ -20,7 +20,7 @@
 
       <n-space vertical>
         <div>
-          <n-text v-if="!hasFont">字库未创建，请先创建字库</n-text>
+          <n-text v-if="!hasFont">{{ fontmsg }}</n-text>
           
           <n-radio-group v-else v-model:value="fontLibrarySelected" name="radiogroup">
             <n-space>
@@ -39,23 +39,31 @@
 
 <script setup lang="ts">
 import { ref, watch, onMounted } from 'vue'
-import { NSpace, NGrid, NGi, NInput, NRadioGroup, NRadio, NText, NButton } from 'naive-ui'
+import { NSpace, NGrid, NGi, NInput, NRadioGroup, NRadio, NText, NButton, useMessage } from 'naive-ui'
 import { LEDPanelView } from './LEDPanelView'
 import { hasIpcRenderer } from '@/utils'
 
-const itemStyle = { textAlign: 'center', flex: '1 1 50%'}
+const message = useMessage()
+
+const itemStyle = { textAlign: 'center', flex: '1 1 50%' }
 
 const count     = 8
 const hasFont   = ref(false)
+const fontmsg = ref('字库未创建，请先创建字库后重启软件')
 const chars     = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', '.', '-']
 const onlyAllow = (value: string) => !value || chars.indexOf(value) >= 0
 
 const ledPanelViewRef = ref()
 const inputValues = ref(new Array(count).fill(null))
+
 for (let i = 0; i < count; i++) {
   watch(
     () => inputValues.value[i],
     value => {
+      const { data } = window.ipcRenderer.sendSync('LOAD_FONT_LIBRARY')
+      if (!data) return
+      fontLibrary = JSON.parse(data)
+      hasFont.value = true
       if (!value) {
         ledPanelViewRef.value.clearArea(i)
       } else {
@@ -86,6 +94,7 @@ onMounted(() => {
 
 const onClearBtnClick = () => {
   inputValues.value.fill(null)
+  ledPanelViewRef.value.clearAll()
 }
 </script>