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)