Fix issues in handling prefix

lib/vix/vips/image.ex

@@ -306,6 +306,18 @@ defmodule Vix.Vips.Image do
     end
   end
 
+  @spec new_from_file(String.t(), keyword) :: {:ok, t()} | {:error, term()}
+
+  def new_from_file(path) do
+    path =
+      path
+      |> Path.expand()
+      |> normalize_string()
+
+    Nif.nif_image_new_from_file(path)
+    |> wrap_type()
+  end
+
   @doc """
   Opens `path` for reading, returns an instance of `t:Vix.Vips.Image.t/0`
 
@@ -336,8 +348,8 @@ defmodule Vix.Vips.Image do
   from `Vix.Vips.Operation`. For example for jpeg use
   `Vix.Vips.Operation.jpegload/2`
   """
-  @spec new_from_file(String.t(), keyword) :: {:ok, t()} | {:error, term()}
-  def new_from_file(path, opts \\ []) do
+  @doc since: "0.31.0"
+  def new_from_file(path, opts) do
     with {:ok, path} <- normalize_path(path),
          {:ok, loader} <- Vix.Vips.Foreign.find_load(path),
          {:ok, {ref, _optional}} <- Operation.Helper.operation_call(loader, [path], opts) do

test/vix/vips/image_test.exs

@@ -13,8 +13,8 @@ defmodule Vix.Vips.ImageTest do
   end
 
   test "new_from_file" do
-    assert {:error, :invalid_path} == Image.new_from_file("invalid.jpg")
-    assert {:error, "Failed to find load"} == Image.new_from_file(__ENV__.file)
+    assert {:error, :invalid_path} == Image.new_from_file("invalid.jpg", [])
+    assert {:error, "Failed to find load"} == Image.new_from_file(__ENV__.file, [])
 
     assert {:ok, %Image{ref: ref}} = Image.new_from_file(img_path("puppies.jpg"))
     assert is_reference(ref)
@@ -32,6 +32,20 @@ defmodule Vix.Vips.ImageTest do
     assert Image.width(img1) == 2 * Image.width(img2)
   end
 
+  test "new_from_file supports optional options suffix" do
+    assert {:ok, %Image{ref: ref} = img1} =
+             Image.new_from_file(img_path("puppies.jpg"))
+
+    assert is_reference(ref)
+
+    assert {:ok, %Image{ref: ref} = img2} =
+             Image.new_from_file(img_path("puppies.jpg") <> "[shrink=2]")
+
+    assert is_reference(ref)
+
+    assert Image.width(img1) == 2 * Image.width(img2)
+  end
+
   test "new_from_file ignores invalid options" do
     # png does not support `shrink` option
     assert {:ok, %Image{ref: ref}} =