feat: image support (#4011)

Co-authored-by: Emil Atanasov <heitara@gmail.com>
Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

src/element/newElement.ts

@@ -1,5 +1,6 @@
 import {
   ExcalidrawElement,
+  ExcalidrawImageElement,
   ExcalidrawTextElement,
   ExcalidrawLinearElement,
   ExcalidrawGenericElement,
@@ -248,6 +249,22 @@ export const newLinearElement = (
   };
 };
 
+export const newImageElement = (
+  opts: {
+    type: ExcalidrawImageElement["type"];
+  } & ElementConstructorOpts,
+): NonDeleted<ExcalidrawImageElement> => {
+  return {
+    ..._newElementBase<ExcalidrawImageElement>("image", opts),
+    // in the future we'll support changing stroke color for some SVG elements,
+    // and `transparent` will likely mean "use original colors of the image"
+    strokeColor: "transparent",
+    status: "pending",
+    fileId: null,
+    scale: [1, 1],
+  };
+};
+
 // Simplified deep clone for the purpose of cloning ExcalidrawElement only
 // (doesn't clone Date, RegExp, Map, Set, Typed arrays etc.)
 //