detail_adder.py

Created by mathieu-croslacoste

Created on January 03, 2025

1.26 KB

Slow script that filters images:

blur() and add() do pretty much the same thing, fast_add() too but is less good and faster.

contrast() lessen the number of colors by rounding their values.

b_w() turns black and white

col() adds the given color to the image

lin() create spaced lines.

from kandinsky import*
def blur():
 for x in range(321):
  for y in range(222):
   s=[0]*3
   for i in range(9):
    v=get_pixel(x-1+i%3,y-1+i//3);c=2 if i!=0 else 1
    for j in(0,1,2):s[j]+=c*v[j]
   set_pixel(x,y,(s[0]//17,s[1]//17,s[2]//17))
def contrast():
 for x in range(321):
  for y in range(222):
   s=list(get_pixel(x,y))
   for i in(0,1,2):s[i]=round(s[i]/15)*15
   set_pixel(x,y,s)
def add():
 for x in range(321):
  for y in range(222):
   s=[0]*3
   for i in range(9):
    v=get_pixel(x-1+i%3,y-1+i//3);c=4 if i==4 else 2 if i%3 else.65
    for j in(0,1,2):s[j]+=c*v[j]
   set_pixel(x,y,(s[0]//17,s[1]//17,s[2]//17))
def fast_add():
 for x in range(321):
  for y in range(222):
   s=[0]*3
   for i in range(4):
    v=get_pixel(x+[0,-1,1][i%3],y+[0,1,-1][i%3==0+i==3])
    for j in(0,1,2):s[j]+=v[j]
   set_pixel(x,y,(s[0]//4,s[1]//4,s[2]//4))
def b_w():
 for x in range(321):
  for y in range(222):
   c=0;v=get_pixel(x,y)
   for j in(0,1,2):c+=v[j]
   set_pixel(x,y,(c//3,)*3)
def col(d,i=0):
 for x in range(321):
  for y in range(222):v=get_pixel(x,y);c=v[i];set_pixel(x,y,(c//d[0],c//d[1],c//d[2]))
def lin(w,d=0,c=(0,)*3):
 for p in range((222*(d==1)+320*(d==0))//int(w*2)):fill_rect(2*p*w*(d==0),2*p*w*(d==1),320*(d==1)+w*(d==0),222*(d==0)+w*(d==1),c)