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-rw-r--r--src/lib/canvas.ts15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/canvas.ts b/src/lib/canvas.ts
new file mode 100644
index 000000000..760c0e67f
--- /dev/null
+++ b/src/lib/canvas.ts
@@ -0,0 +1,15 @@
+export const getCanvas = (base64: string): Promise<HTMLCanvasElement> => {
+  return new Promise(resolve => {
+    const image = new Image()
+    image.onload = () => {
+      const canvas = document.createElement('canvas')
+      canvas.width = image.width
+      canvas.height = image.height
+
+      const ctx = canvas.getContext('2d')
+      ctx?.drawImage(image, 0, 0)
+      resolve(canvas)
+    }
+    image.src = base64
+  })
+}