in gym3/internal/renderer.py [0:0]
def _convert_ascii_to_rgba(arr: np.ndarray, size_px=32) -> np.ndarray:
"""
Convert an ascii array to an image array using the loaded font
"""
global FONT
if FONT is None:
FONT = np.load(os.path.join(SCRIPT_DIR, "font.bin"))
charset = FONT[f"{size_px}px"]
_, char_height, char_width = charset.shape
height, width = arr.shape
image = np.ones((height * char_height, width * char_width, 4), dtype=np.uint8) * 255
for y in range(height):
for x in range(width):
ch = arr[y, x]
image[
y * char_height : (y + 1) * char_height,
x * char_width : (x + 1) * char_width,
3,
] = charset[ch]
return image