def to_code(config):
from PIL import Image
path = CORE.relative_path(config[CONF_FILE])
try:
image = Image.open(path)
except Exception as e:
raise core.EsphomeError(u"Could not load image file {}: {}".format(path, e))
if CONF_RESIZE in config:
image.thumbnail(config[CONF_RESIZE])
image = image.convert('1', dither=Image.NONE)
width, height = image.size
if width > 500 or height > 500:
_LOGGER.warning("The image you requested is very big. Please consider using the resize "
"parameter")
width8 = ((width + 7) // 8) * 8
data = [0 for _ in range(height * width8 // 8)]
for y in range(height):
for x in range(width):
if image.getpixel((x, y)):
continue
pos = x + y * width8
data[pos // 8] |= 0x80 >> (pos % 8)
rhs = safe_exp([HexInt(x) for x in data])
prog_arr = progmem_array(config[CONF_RAW_DATA_ID], rhs)
rhs = App.make_image(prog_arr, width, height)
Pvariable(config[CONF_ID], rhs)
def to_code(config):
from PIL import ImageFont
path = CORE.relative_path(config[CONF_FILE])
try:
font = ImageFont.truetype(path, config[CONF_SIZE])
except Exception as e:
raise core.EsphomeError(u"Could not load truetype file {}: {}".format(
path, e))
ascent, descent = font.getmetrics()
glyph_args = {}
data = []
for glyph in config[CONF_GLYPHS]:
mask = font.getmask(glyph, mode='1')
_, (offset_x, offset_y) = font.font.getsize(glyph)
width, height = mask.size
width8 = ((width + 7) // 8) * 8
glyph_data = [0 for _ in range(height * width8 // 8)] # noqa: F812
for y in range(height):
for x in range(width):
if not mask.getpixel((x, y)):
continue
pos = x + y * width8
glyph_data[pos // 8] |= 0x80 >> (pos % 8)
glyph_args[glyph] = (len(data), offset_x, offset_y, width, height)
data += glyph_data
rhs = safe_exp([HexInt(x) for x in data])
prog_arr = progmem_array(config[CONF_RAW_DATA_ID], rhs)
glyphs = []
for glyph in config[CONF_GLYPHS]:
glyphs.append(Glyph(glyph, prog_arr, *glyph_args[glyph]))
rhs = App.make_font(glyphs, ascent, ascent + descent)
Pvariable(config[CONF_ID], rhs)
def test_safe_exp__invalid_values(obj, expected_error):
with pytest.raises(ValueError, match=expected_error):
cg.safe_exp(obj)
def test_safe_exp__allowed_types(obj, expected_type):
actual = cg.safe_exp(obj)
assert actual is expected_type
def test_safe_exp__allowed_values(obj, expected_type):
actual = cg.safe_exp(obj)
assert isinstance(actual, expected_type)
