feat:提交

tests/dev1/dataHandle/common/drawing/imageCode.ts

@@ -0,0 +1,33 @@
+import jsbarcode from 'jsbarcode'
+import type { QRCodeRenderersOptions } from 'qrcode'
+import { toCanvas } from 'qrcode'
+
+// const canvas = new OffscreenCanvas(0, 0);
+const canvas = document.createElement('canvas')
+const canvasCtx = canvas.getContext('2d')
+
+export async function genBarcode(text: string, options: jsbarcode.Options)
+{
+  canvas.width = options.width
+  canvas.height = options.height
+  canvasCtx.clearRect(0, 0, options.width, options.height)
+  try
+  {
+    jsbarcode(canvas, text, options)
+    // return await canvas.transferToImageBitmap();
+    return await createImageBitmap(canvas)
+  } catch
+  {
+    return null
+  }
+}
+export async function genQrcode(text: string, options: QRCodeRenderersOptions)
+{
+  canvas.width = options.width
+  canvas.height = options.width
+  canvasCtx.clearRect(0, 0, options.width, options.width)
+  await toCanvas(canvas, text, options)
+
+  // return await canvas.transferToImageBitmap();
+  return await createImageBitmap(canvas)
+}