2020-09-06 13:01:46 +02:00

111 lines
2.5 KiB
Python

import sys
import colorsys
import pygame.gfxdraw
import time
import pygame
import numpy
class UnicornHat(object):
def __init__(self, width, height):
# Compat with old library
# Set some defaults
self.rotation(0)
self.pixel_size = 20
self.height = height
self.width = width
self.pixels = numpy.zeros((self.height,self.width,3), dtype=int)
self.window_width = self.width * self.pixel_size
self.window_height = self.height * self.pixel_size
# Init pygame and off we go
pygame.init()
pygame.display.set_caption("Unicorn HAT simulator")
self.screen = pygame.display.set_mode([self.window_width, self.window_height])
self.clear()
def set_pixel(self, x, y, r, g, b):
self.pixels[x][y] = int(r), int(g), int(b)
def set_matrix(self, matrix):
self.pixels = matrix
self.show()
def draw(self):
for event in pygame.event.get(): # User did something
if event.type == pygame.QUIT:
print("Exiting...")
sys.exit()
for i in range(self.height):
for j in range(self.width):
self.draw_led(i,j)
def draw_led(self,i, j):
p = self.pixel_size
w_x = int(j * p + p / 2)
#w_y = int((self.height - 1 - y) * p + p / 2)
w_y = int(i * p + p / 2)
r = int(p / 4)
color = self.pixels[i,j,:]
pygame.gfxdraw.aacircle(self.screen, w_x, w_y, r, color)
pygame.gfxdraw.filled_circle(self.screen, w_x, w_y, r, color)
def show(self):
self.clear()
self.draw()
pygame.display.flip()
#time.sleep(5)
def get_shape(self):
return (self.width, self.height)
def brightness(self, *args):
pass
def rotation(self, r):
self._rotation = int(round(r/90.0)) % 3
def clear(self):
self.screen.fill((0, 0, 0))
def get_rotation(self):
return self._rotation * 90
def set_layout(self, *args):
pass
def off(self):
print("Closing window")
#pygame.quit()
"""
# SD hats works as expected
#unicornhat = UnicornHatSim(8,8)
#unicornphat = UnicornHatSim(8, 4)
# Unicornhat HD seems to be the other way around (not that there's anything wrong with that), so we rotate it 180°
# unicornhathd = UnicornHatSim(16, 16, 180)
"""
# twohats = UnicornHat(32, 16)
#
# for i in range(16):
# twohats.set_pixel(i,i, 200,200,200)
# twohats.show()
# time.sleep(1)