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add a way to specify resample method for xdisplay_mirror #31

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Merged
merged 3 commits into from
Mar 14, 2025
Merged

add a way to specify resample method for xdisplay_mirror #31

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9a4ed78
add a way to specify resample method for xdisplay_mirror
FoamyGuy Mar 12, 2025
270c8b8
use click.Choice
FoamyGuy Mar 12, 2025
fe7c44b
Merge branch 'refs/heads/main' into resample_methods
FoamyGuy Mar 13, 2025
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16 changes: 13 additions & 3 deletions examples/xdisplay_mirror.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,22 +20,32 @@

import click
import numpy as np
from PIL import ImageEnhance, ImageGrab
from PIL import Image, ImageEnhance, ImageGrab

import adafruit_blinka_raspberry_pi5_piomatter as piomatter
import adafruit_blinka_raspberry_pi5_piomatter.click as piomatter_click
from adafruit_blinka_raspberry_pi5_piomatter.pixelmappers import simple_multilane_mapper

RESAMPLE_MAP = {
"nearest": Image.NEAREST,
"bilinear": Image.BILINEAR,
"lanczos": Image.LANCZOS,
"bicubic": Image.BICUBIC
}


@click.command
@click.option("--mirror-region", help="Region of X display to mirror. Comma seperated x,y,w,h. "
"Default will mirror entire display.", default="")
@click.option("--x-display", help="The X display to mirror. Default is :0", default=":0")
@click.option("--brightness", help="The brightness factor of the image output to the matrix",
default=1.0, type=click.FloatRange(min=0.1, max=1.0))
@click.option("--resample-method", type=click.Choice(RESAMPLE_MAP), default="nearest",
help="The resample method for PIL to use when resizing the screen image. Default is nearest")
@piomatter_click.standard_options(n_lanes=2, n_temporal_planes=0)
def main(width, height, serpentine, rotation, pinout, n_planes,
n_temporal_planes, n_addr_lines, n_lanes, mirror_region, x_display, brightness):
n_temporal_planes, n_addr_lines, n_lanes, mirror_region, x_display, resample_method, brightness):

if n_lanes != 2:
pixelmap = simple_multilane_mapper(width, height, n_addr_lines, n_lanes)
geometry = piomatter.Geometry(width=width, height=height, n_planes=n_planes, n_addr_lines=n_addr_lines,
Expand Down Expand Up @@ -64,7 +74,7 @@ def main(width, height, serpentine, rotation, pinout, n_planes,
if brightness != 1.0:
darkener = ImageEnhance.Brightness(img)
img = darkener.enhance(brightness)
img = img.resize((width, height))
img = img.resize((width, height), RESAMPLE_MAP[resample_method])

framebuffer[:, :] = np.array(img)
matrix.show()
Expand Down