callisto/display/font_manager.py

26 lines
909 B
Python

from PIL import ImageFont
class FontManager:
def __init__(self, size=12):
self.font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", size)
def set_font_size(self, size):
self.font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", size)
def draw_multiline_text(self, draw, text, x, y, width, height):
lines = []
words = text.split(" ")
line = ""
for word in words:
test = f"{line} {word}".strip()
if draw.textlength(test, font=self.font) <= width:
line = test
else:
lines.append(line)
line = word
lines.append(line)
draw.rectangle((0, 0, width, height), outline=0, fill=0)
for idx, line in enumerate(lines):
draw.text((x, y + idx * self.font.size), line, font=self.font, fill=255)