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Merge pull request #31 from FoamyGuy/resample_methods

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add a way to specify resample method for xdisplay_mirror
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Jeff Epler 2025-03-13 19:38:50 -05:00 committed by GitHub
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1 changed files with 13 additions and 3 deletions
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16
examples/xdisplay_mirror.py
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@ -20,12 +20,19 @@ This example command will mirror a 128x128 pixel square from the top left of the
import click import click
import numpy as np 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 as piomatter
import adafruit_blinka_raspberry_pi5_piomatter.click as piomatter_click import adafruit_blinka_raspberry_pi5_piomatter.click as piomatter_click
from adafruit_blinka_raspberry_pi5_piomatter.pixelmappers import simple_multilane_mapper 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.command
@click.option("--mirror-region", help="Region of X display to mirror. Comma seperated x,y,w,h. " @click.option("--mirror-region", help="Region of X display to mirror. Comma seperated x,y,w,h. "
@ -33,9 +40,12 @@ from adafruit_blinka_raspberry_pi5_piomatter.pixelmappers import simple_multilan
@click.option("--x-display", help="The X display to mirror. Default is :0", default=":0") @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", @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)) 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) @piomatter_click.standard_options(n_lanes=2, n_temporal_planes=0)
def main(width, height, serpentine, rotation, pinout, n_planes, 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: if n_lanes != 2:
pixelmap = simple_multilane_mapper(width, height, n_addr_lines, n_lanes) 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, geometry = piomatter.Geometry(width=width, height=height, n_planes=n_planes, n_addr_lines=n_addr_lines,
@ -64,7 +74,7 @@ def main(width, height, serpentine, rotation, pinout, n_planes,
if brightness != 1.0: if brightness != 1.0:
darkener = ImageEnhance.Brightness(img) darkener = ImageEnhance.Brightness(img)
img = darkener.enhance(brightness) img = darkener.enhance(brightness)
img = img.resize((width, height)) img = img.resize((width, height), RESAMPLE_MAP[resample_method])
framebuffer[:, :] = np.array(img) framebuffer[:, :] = np.array(img)
matrix.show() matrix.show()