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#!/usr/bin/env python
from ctypes import CDLL, POINTER, c_void_p, Structure, c_uint8, c_size_t, cast, addressof
import numpy as np
from itertools import product
from matelight import sendframe, DISPLAY_WIDTH, DISPLAY_HEIGHT
from terminal import printframe
class COLOR(Structure):
_fields_ = [('r', c_uint8), ('g', c_uint8), ('b', c_uint8), ('a', c_uint8)]
class FRAMEBUFFER(Structure):
_fields_ = [('data', POINTER(COLOR)), ('w', c_size_t), ('h', c_size_t)]
bdf = CDLL('./libbdf.so')
bdf.read_bdf_file.restype = c_void_p
bdf.framebuffer_render_text.restype = POINTER(FRAMEBUFFER)
unifont = bdf.read_bdf_file('unifont.bdf')
def render_text(text):
assert unifont
fb = bdf.framebuffer_render_text(bytes(str(text), 'UTF-8'), unifont)
fbd = fb.contents
buf = np.ctypeslib.as_array(cast(fbd.data, POINTER(c_uint8)), shape=(fbd.h, fbd.w, 4))
# Set data pointer to NULL before freeing framebuffer struct to prevent free_framebuffer from also freeing the data
# buffer that is now used by numpy
#bdf.console_render_buffer(fb)
fbd.data = cast(c_void_p(), POINTER(COLOR))
bdf.free_framebuffer(fb)
return buf
def printframe(fb):
h,w,_ = fb.shape
print('\033[H\033[2J')
bdf.console_render_buffer(fb.ctypes.data_as(POINTER(c_uint8)), w, h)
if __name__ == '__main__':
fb = render_text('\033[31;48;5;167;4;6mfoo\033[0;91mbar\033[93;106;5mbaz\033[0m\033[0;94;6m♥♥♥');
h,w,_ = fb.shape
for i in range(-DISPLAY_WIDTH,w+1):
leftpad = np.zeros((DISPLAY_HEIGHT, max(-i, 0), 4), dtype=np.uint8)
framedata = fb[:, max(0, i):min(i+DISPLAY_WIDTH, w)]
rightpad = np.zeros((DISPLAY_HEIGHT, min(DISPLAY_WIDTH, max(0, i+DISPLAY_WIDTH-w)), 4), dtype=np.uint8)
dice = np.concatenate((leftpad, framedata, rightpad), 1)
sendframe(dice)
printframe(dice)
fb = render_text('\033[31;48;5;167;4;6mfoo\033[0;91mbar\033[93;106;5mbaz\033[0m\033[0;94;6m♥♥♥');
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