From 4d42aa7fc4b669cdc3cb9467c82d2416591b6f74 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 21:59:52 -0500
Subject: [PATCH 1/3] optimize image() so it doesn't take foreeeever

---
 adafruit_framebuf.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/adafruit_framebuf.py b/adafruit_framebuf.py
index 54a6e58..4dd1ccd 100644
--- a/adafruit_framebuf.py
+++ b/adafruit_framebuf.py
@@ -268,6 +268,27 @@ def text(self, string, x, y, color, *,
                                  x + (i * (w + 1)),
                                  y, self, color)
 
+    def image(self, img):
+        """Set buffer to value of Python Imaging Library image.  The image should
+        be in 1 bit mode and a size equal to the display size."""
+        if img.mode != '1':
+            raise ValueError('Image must be in mode 1.')
+        imwidth, imheight = img.size
+        if imwidth != self.width or imheight != self.height:
+            raise ValueError('Image must be same dimensions as display ({0}x{1}).' \
+                .format(self.width, self.height))
+        # Grab all the pixels from the image, faster than getpixel.
+        pixels = img.load()
+        # Clear buffer
+        for i in range(len(self.buf)):
+            self.buf[i] = 0
+        # Iterate through the memory pages
+        index = 0
+        for x in range(self.width):       # yes this double loop is slow,
+            for y in range(self.height):  #  but these displays are small!
+                if pixels[(x,y)]:
+                    self.pixel(x, y, 1)   # only write if pixel is true
+
 # MicroPython basic bitmap font renderer.
 # Author: Tony DiCola
 # License: MIT License (https://opensource.org/licenses/MIT)

From 90dc8d199b40788a495211bf0791370c8674d57d Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 22:08:52 -0500
Subject: [PATCH 2/3] fix lint

---
 adafruit_framebuf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/adafruit_framebuf.py b/adafruit_framebuf.py
index 4dd1ccd..f46058d 100644
--- a/adafruit_framebuf.py
+++ b/adafruit_framebuf.py
@@ -286,7 +286,7 @@ def image(self, img):
         index = 0
         for x in range(self.width):       # yes this double loop is slow,
             for y in range(self.height):  #  but these displays are small!
-                if pixels[(x,y)]:
+                if pixels[(x, y)]:
                     self.pixel(x, y, 1)   # only write if pixel is true
 
 # MicroPython basic bitmap font renderer.

From e4901cb4369f33a3a6a8f5ef3717b3f70a31b721 Mon Sep 17 00:00:00 2001
From: ladyada <limor@ladyada.net>
Date: Thu, 27 Dec 2018 22:27:06 -0500
Subject: [PATCH 3/3] lint and fix comment

---
 adafruit_framebuf.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/adafruit_framebuf.py b/adafruit_framebuf.py
index f46058d..fa28224 100644
--- a/adafruit_framebuf.py
+++ b/adafruit_framebuf.py
@@ -282,8 +282,7 @@ def image(self, img):
         # Clear buffer
         for i in range(len(self.buf)):
             self.buf[i] = 0
-        # Iterate through the memory pages
-        index = 0
+        # Iterate through the pixels
         for x in range(self.width):       # yes this double loop is slow,
             for y in range(self.height):  #  but these displays are small!
                 if pixels[(x, y)]: