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[Refactor] Python-ify QP's converter code (#20102)

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Pablo Martínez 2023-07-07 14:09:17 +02:00 committed by GitHub
parent 3142f2dfdf
commit 6bdd8e2782
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1 changed files with 14 additions and 24 deletions
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38
lib/python/qmk/painter.py
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@ -191,6 +191,12 @@ def convert_requested_format(im, format):
return im
def rgb_to565(r, g, b):
msb = ((r >> 3 & 0x1F) << 3) + (g >> 5 & 0x07)
lsb = ((g >> 2 & 0x07) << 5) + (b >> 3 & 0x1F)
return [msb, lsb]
def convert_image_bytes(im, format):
"""Convert the supplied image to the equivalent bytes required by the QMK firmware.
"""
@ -248,41 +254,25 @@ def convert_image_bytes(im, format):
if image_format == 'IMAGE_FORMAT_RGB565':
# Take the red, green, and blue channels
image_bytes_red = im.tobytes("raw", "R")
image_bytes_green = im.tobytes("raw", "G")
image_bytes_blue = im.tobytes("raw", "B")
image_pixels_len = len(image_bytes_red)
red = im.tobytes("raw", "R")
green = im.tobytes("raw", "G")
blue = im.tobytes("raw", "B")
# No palette
palette = None
bytearray = []
for x in range(image_pixels_len):
# 5 bits of red, 3 MSb of green
byte = ((image_bytes_red[x] >> 3 & 0x1F) << 3) + (image_bytes_green[x] >> 5 & 0x07)
bytearray.append(byte)
# 3 LSb of green, 5 bits of blue
byte = ((image_bytes_green[x] >> 2 & 0x07) << 5) + (image_bytes_blue[x] >> 3 & 0x1F)
bytearray.append(byte)
bytearray = [byte for r, g, b in zip(red, green, blue) for byte in rgb_to565(r, g, b)]
if image_format == 'IMAGE_FORMAT_RGB888':
# Take the red, green, and blue channels
image_bytes_red = im.tobytes("raw", "R")
image_bytes_green = im.tobytes("raw", "G")
image_bytes_blue = im.tobytes("raw", "B")
image_pixels_len = len(image_bytes_red)
red = im.tobytes("raw", "R")
green = im.tobytes("raw", "G")
blue = im.tobytes("raw", "B")
# No palette
palette = None
bytearray = []
for x in range(image_pixels_len):
byte = image_bytes_red[x]
bytearray.append(byte)
byte = image_bytes_green[x]
bytearray.append(byte)
byte = image_bytes_blue[x]
bytearray.append(byte)
bytearray = [byte for r, g, b in zip(red, green, blue) for byte in (r, g, b)]
if len(bytearray) != expected_byte_count:
raise Exception(f"Wrong byte count, was {len(bytearray)}, expected {expected_byte_count}")