feat: 支持渐变色全局变换

src/packages/components/Charts/Lines/LineGradientSingle/index.vue

@@ -1,20 +1,18 @@
 <template>
-  <VChart :theme="themeColor" :option="option" autoresize />
+  <VChart :theme="themeColor" :option="option.options" autoresize />
 </template>
 
 <script setup lang="ts">
-import { computed, PropType } from 'vue'
+import { reactive, watchEffect, watch, PropType } from 'vue'
 import VChart from 'vue-echarts'
 import { use, graphic } from 'echarts/core'
 import { CanvasRenderer } from 'echarts/renderers'
 import { LineChart } from 'echarts/charts'
 import config, { includes } from './config'
 import { mergeTheme } from '@/packages/public/chart'
-import {
-  GridComponent,
-  TooltipComponent,
-  LegendComponent,
-} from 'echarts/components'
+import { GridComponent, TooltipComponent, LegendComponent } from 'echarts/components'
+import { useChartEditStore } from '@/store/modules/chartEditStore/chartEditStore'
+import { chartColorsSearch, defaultTheme } from  '@/settings/chartThemes/index'
 
 const props = defineProps({
   themeSetting: {
@@ -38,8 +36,35 @@ use([
   TooltipComponent,
   LegendComponent,
 ])
+const chartEditStore = useChartEditStore()
 
-const option = computed(() => {
-  return mergeTheme( props.chartConfig.option, props.themeSetting, includes)
+const option = reactive({
+  options: {}
 })
+
+watchEffect(()=> {
+  option.options = mergeTheme(props.chartConfig.option, props.themeSetting, includes)
+})
+
+// 渐变色处理
+watch(()=>chartEditStore.getEditCanvasConfig.chartThemeColor, (newColor: keyof typeof chartColorsSearch) => {
+    const themeColor = chartColorsSearch[newColor] || chartColorsSearch[defaultTheme]
+    props.chartConfig.option.series.forEach((value: any, index: number) => {
+      value.areaStyle.color = new graphic.LinearGradient(0, 0, 0, 1, [
+        {
+          offset: 0,
+          color: themeColor[3]
+        },
+        {
+          offset: 1,
+          color: 'rgba(0,0,0, 0)'
+        }
+      ])
+      themeColor[index]
+    })
+    option.options = mergeTheme(props.chartConfig.option, props.themeSetting, includes)
+  }, 
+  {
+    immediate: true
+  })
 </script>