text outlines

lib/labelmaker_web/constants.ex

@@ -3,6 +3,7 @@ defmodule LabelmakerWeb.Constants do
     label: "64 character maximum",
     font: "Helvetica",
     color: "black",
+    outline: "none",
     size: "24"
   }
 
@@ -24,6 +25,8 @@ defmodule LabelmakerWeb.Constants do
 
   @max_label_length 64
 
+  @outlines ~w(none white black gray)
+
   @sizes 8..72
          |> Enum.to_list()
          |> Enum.take_every(4)
@@ -35,6 +38,7 @@ defmodule LabelmakerWeb.Constants do
   def fonts, do: @fonts
   def font_count, do: @fonts |> length()
   def max_label_length, do: @max_label_length
+  def outlines, do: @outlines
   def permitted_keys, do: @permitted_keys
   def sizes, do: @sizes
 end

lib/labelmaker_web/controllers/label_controller.ex

@@ -43,6 +43,18 @@ defmodule LabelmakerWeb.LabelController do
       filepath
     ]
 
+    args =
+      if options.outline != "none" do
+        [
+          "-stroke",
+          options.outline,
+          "-strokewidth",
+          "1"
+        ] ++ args
+      else
+        args
+      end
+
     {_, 0} = System.cmd("magick", args)
   end
 end

lib/labelmaker_web/live/home.ex

@@ -8,7 +8,7 @@ defmodule LabelmakerWeb.Home do
       :ok,
       assign(
         socket,
-        Enum.to_list(Constants.defaults())
+        Enum.to_list(%{Constants.defaults() | label: ""})
       )
     }
   end
@@ -42,6 +42,11 @@ defmodule LabelmakerWeb.Home do
             <option value={color} selected={@color == color}>{color}</option>
           <% end %>
         </select>
+        <select name="outline" value={@outline}>
+          <%= for outline <- Constants.outlines() do %>
+            <option value={outline} selected={@outline == outline}>{outline}</option>
+          <% end %>
+        </select>
         <select name="size" value={@size}>
           <%= for size <- Constants.sizes() do %>
             <option value={size} selected={@size == size}>{size}</option>

lib/labelmaker_web/tools.ex

@@ -11,6 +11,7 @@ defmodule LabelmakerWeb.Tools do
           :color -> v in Constants.colors()
           :font -> v in Constants.fonts()
           :label -> String.length(v) <= Constants.max_label_length()
+          :outline -> v in Constants.outlines()
           :size -> v in Constants.sizes()
           _ -> true
         end