Merge pull request #15 from romilly/master

Updated package name, function name in README.rst cdoe example

Author: FoamyGuy

README.rst

@@ -66,7 +66,7 @@ Usage Example
     from displayio import Bitmap, Palette
     import adafruit_sdcard
     import storage
-    from adafruit_bitmap_saver import save_bitmap
+    from adafruit_bitmapsaver import save_pixels
 
     print('Setting up SD card')
     spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)

adafruit_bitmapsaver.py

@@ -79,7 +79,6 @@ def _write_pixels(output_file, pixel_source, palette):
     saving_bitmap = isinstance(pixel_source, Bitmap)
     width, height = _rotated_height_and_width(pixel_source)
     row_buffer = bytearray(_bytes_per_row(width))
-    result_buffer = bytearray(2048)
     for y in range(height, 0, -1):
         buffer_index = 0
         if saving_bitmap:
@@ -91,6 +90,7 @@ def _write_pixels(output_file, pixel_source, palette):
                     color >>= 8
                     buffer_index += 1
         else:
+            result_buffer = bytearray(2048)
             data = pixel_source.fill_row(y - 1, result_buffer)
             for i in range(width):
                 pixel565 = (data[i * 2] << 8) + data[i * 2 + 1]