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[image] Add Invert Colors option

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Ahmed 2024-09-02 15:58:00 +00:00 committed by GitHub
parent ca8e45cf4c
commit 9d89557d61
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1 changed files with 22 additions and 0 deletions
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22
esphome/components/image/__init__.py
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@ -47,6 +47,7 @@ IMAGE_TYPE = {
}
CONF_USE_TRANSPARENCY = "use_transparency"
CONF_INVERT_COLORS = "invert_colors"
# If the MDI file cannot be downloaded within this time, abort.
IMAGE_DOWNLOAD_TIMEOUT = 30 # seconds
@ -225,6 +226,7 @@ IMAGE_SCHEMA = cv.Schema(
# Not setting default here on purpose; the default depends on the image type,
# and thus will be set in the "validate_cross_dependencies" validator.
cv.Optional(CONF_USE_TRANSPARENCY): cv.boolean,
cv.Optional(CONF_INVERT_COLORS default=False): cv.boolean,
cv.Optional(CONF_DITHER, default="NONE"): cv.one_of(
"NONE", "FLOYDSTEINBERG", upper=True
),
@ -258,6 +260,16 @@ def load_svg_image(file: bytes, resize: tuple[int, int]):
return Image.open(io.BytesIO(svg_image))
def invert_image_colors(image):
from PIL import Image
r, g, b, a = image.split()
def invert(image):
return image.point(lambda p: 255 - p)
r, g, b = map(invert, (r, g, b))
return Image.merge(image.mode, (r, g, b, a))
async def to_code(config):
# Local import only to allow "validate_pillow_installed" to run *before* importing it
@ -301,6 +313,7 @@ async def to_code(config):
)
transparent = config[CONF_USE_TRANSPARENCY]
invert_colors = config.get(CONF_INVERT_COLORS)
dither = (
Image.Dither.NONE
@ -324,6 +337,9 @@ async def to_code(config):
elif config[CONF_TYPE] == "RGBA":
image = image.convert("RGBA")
if invert_colors:
image = invert_image_colors(image)
pixels = list(image.getdata())
data = [0 for _ in range(height * width * 4)]
pos = 0
@ -339,6 +355,9 @@ async def to_code(config):
elif config[CONF_TYPE] == "RGB24":
image = image.convert("RGBA")
if invert_colors:
image = invert_image_colors(image)
pixels = list(image.getdata())
data = [0 for _ in range(height * width * 3)]
pos = 0
@ -360,6 +379,9 @@ async def to_code(config):
elif config[CONF_TYPE] in ["RGB565"]:
image = image.convert("RGBA")
if invert_colors:
image = invert_image_colors(image)
pixels = list(image.getdata())
data = [0 for _ in range(height * width * 2)]
pos = 0