Add param to disable image converter

In some cases your image may already be the correct format.

Author: Moheeb Zara

adafruit_pyportal.py

@@ -126,6 +126,8 @@ class PyPortal:
     :param regexp_path: The list of regexp strings to get data out (use a single regexp group). Can
                         be list of regexps for multiple data points. Defaults to ``None`` to not
                         use regexp.
+    :param convert_image: Determine whether or not to use the AdafruitIO image converter service. 
+                          Set as False if your image is already resized. Defaults to True. 
     :param default_bg: The path to your default background image file or a hex color.
                        Defaults to 0x000000.
     :param status_neopixel: The pin for the status NeoPixel. Use ``board.NEOPIXEL`` for the on-board
@@ -174,6 +176,7 @@ def __init__(
         headers=None,
         json_path=None,
         regexp_path=None,
+        convert_image=False,
         default_bg=0x000000,
         status_neopixel=None,
         text_font=None,
@@ -944,21 +947,23 @@ def fetch(self, refresh_url=None, timeout=10):
         if image_url:
             try:
                 print("original URL:", image_url)
-                if iwidth < iheight:
-                    image_url = self.image_converter_url(
-                        image_url,
-                        int(
-                            self._image_resize[1]
-                            * self._image_resize[1]
-                            / self._image_resize[0]
-                        ),
-                        self._image_resize[1],
-                    )
-                else:
-                    image_url = self.image_converter_url(
-                        image_url, self._image_resize[0], self._image_resize[1]
-                    )
-                print("convert URL:", image_url)
+                if self._convert_image:
+                  if iwidth < iheight:
+                      image_url = self.image_converter_url(
+                          image_url,
+                          int(
+                              self._image_resize[1]
+                              * self._image_resize[1]
+                              / self._image_resize[0]
+                          ),
+                          self._image_resize[1],
+                      )
+                  else:
+                      image_url = self.image_converter_url(
+                          image_url, self._image_resize[0], self._image_resize[1]
+                      )
+                  
+                  print("convert URL:", image_url)
                 # convert image to bitmap and cache
                 # print("**not actually wgetting**")
                 filename = "/cache.bmp"