def to_code(config):
from PIL import Image
for conf in config:
path = relative_path(conf[CONF_FILE])
try:
image = Image.open(path)
except Exception as e:
raise core.ESPHomeYAMLError(u"Could not load image file {}: {}".format(path, e))
if CONF_RESIZE in conf:
image.thumbnail(conf[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)
raw_data = MockObj(conf[CONF_RAW_DATA_ID])
add(RawExpression('static const uint8_t {}[{}] PROGMEM = {}'.format(
raw_data, len(data),
ArrayInitializer(*[HexInt(x) for x in data], multiline=False))))
rhs = App.make_image(raw_data, width, height)
Pvariable(conf[CONF_ID], rhs)
def to_code(config):
from PIL import ImageFont
for conf in config:
path = relative_path(conf[CONF_FILE])
try:
font = ImageFont.truetype(path, conf[CONF_SIZE])
except Exception as e:
raise core.ESPHomeYAMLError(
u"Could not load truetype file {}: {}".format(path, e))
ascent, descent = font.getmetrics()
glyph_args = {}
data = []
for glyph in conf[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
raw_data = MockObj(conf[CONF_RAW_DATA_ID])
add(
RawExpression('static const uint8_t {}[{}] PROGMEM = {}'.format(
raw_data, len(data),
ArrayInitializer(*[HexInt(x) for x in data],
multiline=False))))
glyphs = []
for glyph in conf[CONF_GLYPHS]:
glyphs.append(Glyph(glyph, raw_data, *glyph_args[glyph]))
rhs = App.make_font(ArrayInitializer(*glyphs), ascent,
ascent + descent)
Pvariable(conf[CONF_ID], rhs)