feat: add canvas manipulation functions and integrate signature submission in MainLayout (unfinished)

src/components/CanvasComponent.vue

@@ -4,7 +4,7 @@ import { useQuasar } from 'quasar';
 import SignaturePad from 'signature_pad';
 import Cropper from 'cropperjs';
 
-defineExpose({ clearCanvas, clearUpload });
+defineExpose({ setCanvas, getCanvas, clearCanvas, clearUpload });
 
 const $q = useQuasar();
 const isDarkActive = computed(() => $q.dark.isActive);
@@ -44,9 +44,6 @@ async function initializeSignaturePad() {
 
   if (canvas) {
     signaturePad.value = new SignaturePad(canvas, {
-      backgroundColor: isDarkActive.value
-        ? 'rgb(21,25,29)'
-        : 'rgb(248,249,250)',
       penColor: 'blue',
     });
   } else {
@@ -79,6 +76,15 @@ function changeColor(color: string) {
   currentColor.value = color;
 }
 
+function setCanvas() {
+  const data = signaturePad.value.toDataURL('image/png');
+  return data;
+}
+
+function getCanvas(signature: string) {
+  signaturePad.value.fromDataURL(signature);
+}
+
 function clearCanvas() {
   signaturePad.value.clear();
 }

src/layouts/MainLayout.vue

@@ -50,7 +50,6 @@ const leftDrawerMini = ref(false);
 const unread = computed<number>(
   () => notificationData.value.filter((v) => !v.read).length || 0,
 );
-// const filterRole = ref<string[]>();
 const userImage = ref<string>();
 const userGender = ref('');
 const canvasRef = ref();
@@ -124,6 +123,17 @@ function readNoti(id: string) {
   }
 }
 
+function signatureSubmit() {
+  const signature = canvasRef.value.setCanvas();
+  userStore.setSignature(signature);
+  canvasModal.value = false;
+}
+
+async function signatureFetch() {
+  const ret = await userStore.getSignature();
+  if (ret) canvasRef.value.getCanvas(ret);
+}
+
 onMounted(async () => {
   initTheme();
   initLang();
@@ -502,6 +512,8 @@ onMounted(async () => {
       no-app-box
       :title="$t('menu.profile.addSignature')"
       :close="() => (canvasModal = false)"
+      :submit="signatureSubmit"
+      :show="signatureFetch"
     >
       <CanvasComponent ref="canvasRef" v-model:modal="canvasModal" />
       <template #footer>