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simulatorview.py
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simulatorview.py
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"""
Simulator View
Draws the color data in a canvas window
"""
import tkinter
from view import View
SCREEN_DIMENSIONS = (500, 500)
LED_SIZE = 10 # px
LED_SPACE = 30 # px
OFFSET = 25
DRAW_RATE = int(1000 / 10.0)
UPDATE_RATE = int(1000 / 30.0)
class SimulatorView(View):
def __init__(self, colors: list, dimensions: tuple, update):
super().__init__(colors, dimensions, update)
# canvas widget
self.m = tkinter.Tk()
self.can = tkinter.Canvas(self.m, width=SCREEN_DIMENSIONS[0], height=SCREEN_DIMENSIONS[1])
self.packed = False
def convert_color(self, color_val: int) -> str:
"""
Converts a color value into a hex string.
"""
return "#%06x" % color_val
def internal_draw(self):
self.update()
self.can.delete(tkinter.ALL)
# black background
self.can.create_rectangle(0, 0, SCREEN_DIMENSIONS[0], SCREEN_DIMENSIONS[1], fill="black")
# draw each of the rows and cols
for row in range(self.dimensions[0]):
for col in range(self.dimensions[1]):
x1 = col * LED_SPACE + OFFSET
y1 = row * LED_SPACE + OFFSET
color = self.convert_color(self.colors[row][col])
self.can.create_rectangle(x1, y1, x1 + LED_SIZE, y1 + LED_SIZE, fill=color)
self.m.after(DRAW_RATE, self.internal_draw)
def draw(self):
"""
calls tk blocking main loop
"""
if not self.packed:
self.can.pack()
self.packed = True
self.m.after(DRAW_RATE, self.internal_draw)
tkinter.mainloop()