class Display:
def __init__(self, saturation=0.5):
self.inky = Inky()
self.saturation = saturation
def resize_for_screen(self, image):
copied = image.copy()
# Apply rotation in exif data
copied = ImageOps.exif_transpose(image)
copied.thumbnail([600, 448])
size = copied.size
print(size)
background = Image.new("RGB", (600, 448), (255, 255, 255))
background.paste(copied, (int(
(600 - size[0]) / 2), int((448 - size[1]) / 2)))
return background
def _show_latest(self):
latest_image = self.resize_for_screen(Image.open("latest"))
self.inky.set_image(latest_image, saturation=self.saturation)
self.inky.show(busy_wait=False)
print("done")
def show_latest(self):
task = threading.Thread(target=self._show_latest, args=())
task.start()
data=mpg)
if args.dataset == "penguins":
palette = seaborn.color_palette(palette_colors, n_colors=3)
df = seaborn.load_dataset("penguins")
plot = seaborn.pairplot(df, hue="species", palette=palette)
if args.dataset == "dots":
palette = seaborn.color_palette(palette_colors, n_colors=6)
dots = seaborn.load_dataset("dots")
plot = seaborn.relplot(
data=dots,
x="time", y="firing_rate",
hue="coherence", size="choice", col="align",
kind="line", size_order=["T1", "T2"], palette=palette,
facet_kws=dict(sharex=False),
)
# Force the output plot to be approximately the right size for Inky
pyplot.gcf().set_size_inches(inky.width / dpi, inky.height / dpi)
plot.savefig(buf, format="png", dpi=dpi)
buf.seek(0)
plot_image = Image.open(buf).convert("RGB")
image = Image.new("RGB", (inky.width, inky.height), (255, 255, 255))
image.paste(plot_image, (0, 0))
inky.set_image(image, saturation=saturation)
inky.show()
if len(sys.argv) == 1:
print("""
Usage: {file} image-file
""".format(file=sys.argv[0]))
sys.exit(1)
if len(sys.argv) > 2:
saturation = float(sys.argv[2])
palette = hitherdither.palette.Palette(
inky._palette_blend(saturation, dtype='uint24'))
image = Image.open(sys.argv[1]).convert("RGB")
# VERY slow (1m 40s on a Pi 4) - see https://github.com/hbldh/hitherdither for a list of methods
# image_dithered = hitherdither.diffusion.error_diffusion_dithering(image, palette, method="stucki", order=2)
# Usably quick, your vanilla dithering
# image_dithered = hitherdither.ordered.bayer.bayer_dithering(image, palette, thresholds, order=8)
# Usuably quick, half-tone comic-book feel, use order=4 for small dots and order=8 dot bigguns
image_dithered = hitherdither.ordered.cluster.cluster_dot_dithering(image,
palette,
thresholds,
order=8)
# VERY slow
# image_dithered = hitherdither.ordered.yliluoma.yliluomas_1_ordered_dithering(image, palette, order=8)
inky.set_image(image_dithered.convert("P"))
inky.show()
thermal_camera.condition.wait()
if capture == True:
print('Capture image')
time.sleep(5)
print('Ready')
capture = False
frame = thermal_camera.frame
vmin = min(frame)
vmax = max(frame)
img = Image.new('RGB', (32, 24), 'black')
for y in range(24):
for x in range(32):
val = frame[32 * (23 - y) + x]
rgb = thermal_camera.temperature_to_color(
val, vmin, vmax)
img.putpixel((x, y), rgb)
#img = img.transpose(Image.ROTATE_270).transpose(Image.FLIP_LEFT_RIGHT)
img = img.resize((600, 448), Image.BICUBIC)
inky.set_image(img, saturation=0.5)
inky.show()
print('Done')
except:
print('Error')
finally:
thermal_camera.stop_recording()