27 lines
726 B
Python
27 lines
726 B
Python
"""Offline preview: render text the way the mask will, printed as ASCII art.
|
|
|
|
No BLE / no hardware needed -- handy for checking how a string will look and for
|
|
confirming the renderer works on this machine::
|
|
|
|
python examples/preview_text.py "HELLO"
|
|
"""
|
|
|
|
import sys
|
|
|
|
import bitmap
|
|
|
|
|
|
def main():
|
|
text = sys.argv[1] if len(sys.argv) > 1 else "HELLO"
|
|
columns = bitmap.text_to_columns(text)
|
|
width = len(columns)
|
|
bmp = bitmap.encode_bitmap(columns)
|
|
print(f"text={text!r} width={width}px bitmap={len(bmp)}B payload={len(bmp) + width * 3}B\n")
|
|
for row in range(16):
|
|
line = "".join("#" if columns[x][row] else " " for x in range(width))
|
|
print(line)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|