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authorPablo Martínez <58857054+elpekenin@users.noreply.github.com>2023-07-07 14:09:17 +0200
committerGitHub <noreply@github.com>2023-07-07 22:09:17 +1000
commit6bdd8e27825c4468008ba07dd0e553afeb4318f7 (patch)
tree5dd027fafb3071d8ec0037bc680b5125a803ae96 /lib
parent3142f2dfdfc600e9164bbcd6f437c28e6bd1b624 (diff)
[Refactor] Python-ify QP's converter code (#20102)
Diffstat (limited to 'lib')
-rw-r--r--lib/python/qmk/painter.py38
1 files changed, 14 insertions, 24 deletions
diff --git a/lib/python/qmk/painter.py b/lib/python/qmk/painter.py
index 48310c8961..381a996443 100644
--- a/lib/python/qmk/painter.py
+++ b/lib/python/qmk/painter.py
@@ -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}")