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Pixel printer.py
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Pixel printer.py
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#!/usr/bin/env python
from Tkinter import *
from Tkinter import Tk
from tkFileDialog import askopenfilename
from PIL import Image
from math import sqrt, atan, pi
import time
NUM_LEDs = 24
height_buff = NUM_LEDs/10
final_height = NUM_LEDs + height_buff
seedfile = ''
outputfile = ''
def get_pixels():
root = Tk()
root.title("Pixel Printer")
root.grid()
inner_top = Frame(root)
inner_top.grid(row=0, column=0)
t1 = Entry(inner_top, width = 40)
t2 = Entry(inner_top, width = 40)
v = StringVar()
root.columnconfigure(0, weight=1)
root.columnconfigure(1, weight=1)
b1 = Button(inner_top, text = "Source")
b2 = Button(inner_top, text = "Dest")
b3 = Button(inner_top, text = "Calc")
b1.configure(command= lambda:get_source(t1))
b2.configure(command= lambda:get_dest(t2))
b3.configure(command= lambda:calculate(t1, t2, v))
t1.grid(row=0, column=0)
b1.grid(row=0, column=1, sticky=E+W)
t2.grid(row=1, column=0)
b2.grid(row=1, column=1, sticky=E+W)
b3.grid(row=2, column=1, sticky=E+W)
root.mainloop()
def get_source(t1):
seedfile = askopenfilename()
t1.delete(0, END)
t1.insert(0, seedfile)
def get_dest(t2):
outputfile = askopenfilename()
t2.delete(0, END)
t2.insert(0, outputfile)
def calculate(t1, t2, v):
if(t1.get() == "" or t2.get() == ""):
return
seedfile = t1.get()
outputfile = t2.get()
im = Image.open(seedfile)
pix = im.load()
wid, hi = im.size
if(wid != hi):
scribe_pixels(t1, t2, v)
return
r_total = '{'
g_total = '{'
b_total = '{'
tempim = Image.new('RGB', (180,24), "white")
temppix = tempim.load()
output = open(outputfile, 'w')
half = wid/2
for y in range (wid-1, 0, -1):
for x in range (0, wid):
r, g, b = pix[x,y]
y_cord = half - y
x_cord = x - half
y_new = sqrt(x_cord**2 + y_cord**2) * (float(final_height)/float(half))
if x_cord > 0 and y_cord >= 0:
x_new = atan(float(y_cord)/float(x_cord))
elif x_cord < 0 and y_cord >= 0:
x_new = atan(float(y_cord)/float(x_cord)) + pi
elif x_cord < 0 and y_cord <= 0:
x_new = atan(float(y_cord)/float(x_cord)) + pi
elif x_cord > 0 and y_cord <= 0:
x_new = atan(float(y_cord)/float(x_cord)) + 2*pi
if y_new < NUM_LEDs and x_cord != 0:
temppix[(179-(int(x_new * ((180)/(2*pi))))), (NUM_LEDs-y_new)] = (r, g, b)
tempim.save('temp.bmp')
scribe_pixels(t1, t2, v, 'C:/Users/JJ/Desktop/temp.bmp')
def scribe_pixels(t1, t2, v, seed = ''):
if seed == '':
seedfile = t1.get()
else:
seedfile = seed
outputfile = t2.get()
r_total = '{'
g_total = '{'
b_total = '{'
im = Image.open(seedfile)
tempim = Image.new('RGB', (104,26), "white")
temppix = tempim.load()
output = open(outputfile, 'w')
pix = im.load()
wid, hi = im.size
for y in range (0, hi):
for x in range (0, wid):
r, g, b = pix[x,y]
output.write("{%s,%s,%s}\n" % (r, g, b))
if __name__ == '__main__':
get_pixels()