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#!/usr/bin/env python
# Copyright 2009 Steve Conklin
# steve at conklinhouse dot com
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import sys
import brother
import Image
import array
TheImage = None
##################
def roundeven(val):
return (val+(val%2))
def roundeight(val):
if val % 8:
return val + (8-(val%8))
else:
return val
def roundfour(val):
if val % 4:
return val + (4-(val%4))
else:
return val
def nibblesPerRow(stitches):
# there are four stitches per nibble
# each row is nibble aligned
return(roundfour(stitches)/4)
def bytesPerPattern(stitches, rows):
nibbs = rows * nibblesPerRow(stitches)
bytes = roundeven(nibbs)/2
return bytes
def bytesForMemo(rows):
bytes = roundeven(rows)/2
return bytes
##############
version = '1.0'
print "I dont work, sorry!"
sys.exit()
imgfile = sys.argv[2]
bf = brother.brotherFile(sys.argv[1])
pats = bf.getPatterns()
# find first unused pattern bank
patternbank = 100
for i in range(99):
bytenum = i*7
if (bf.getIndexedByte(bytenum) != 0x1):
print "first unused pattern bank #", i
patternbank = i
break
if (patternbank == 100):
print "sorry, no free banks!"
exit
# ok got a bank, now lets figure out how big this thing we want to insert is
TheImage = Image.open(imgfile)
TheImage.load()
im_size = TheImage.size
width = im_size[0]
print "width:",width
height = im_size[1]
print "height:", height
# debugging stuff here
x = 0
y = 0
x = width - 1
while x > 0:
value = TheImage.getpixel((x,y))
if value:
sys.stdout.write('* ')
else:
sys.stdout.write(' ')
#sys.stdout.write(str(value))
x = x-1
if x == 0: #did we hit the end of the line?
y = y+1
x = width - 1
print " "
if y == height:
break
# debugging stuff done
# create the program entry
progentry = []
progentry.append(0x1) # is used
progentry.append(0x20) # no idea what this is but dont make it 0x0
progentry.append( (int(width / 100) << 4) | (int((width%100) / 10) & 0xF) )
progentry.append( (int(width % 10) << 4) | (int(height / 100) & 0xF) )
progentry.append( (int((height % 100)/10) << 4) | (int(height % 10) & 0xF) )
# now we have to pick out a 'program name'
patternnum = 901 # start with 901? i dunno
for pat in pats:
if (pat["number"] >= patternnum):
patternnum = pat["number"] + 1
#print patternnum
progentry.append(int(patternnum / 100) & 0xF)
progentry.append( (int((patternnum % 100)/10) << 4) | (int(patternnum % 10) & 0xF) )
print "Program entry: ",map(hex, progentry)
# now to make the actual, yknow memo+pattern data
# the memo seems to be always blank. i have no idea really
memoentry = []
for i in range(bytesForMemo(height)):
memoentry.append(0x0)
# now for actual real live pattern data!
pattmemnibs = []
for r in range(height):
row = [] # we'll chunk in bits and then put em into nibbles
for s in range(width):
value = TheImage.getpixel((width-s-1,height-r-1))
if (value != 0):
row.append(1)
else:
row.append(0)
#print row
# turn it into nibz
for s in range(roundfour(width) / 4):
n = 0
for nibs in range(4):
#print "row size = ", len(row), "index = ",s*4+nibs
if (len(row) == (s*4+nibs)):
break # padding!
if (row[s*4 + nibs]):
n |= 1 << nibs
pattmemnibs.append(n)
print hex(n),
print
if (len(pattmemnibs) % 2):
# odd nibbles, buffer to a byte
pattmemnibs.append(0x0)
print len(pattmemnibs), "nibbles of data"
# turn into bytes
pattmem = []
for i in range (len(pattmemnibs) / 2):
pattmem.append( pattmemnibs[i*2] | (pattmemnibs[i*2 + 1] << 4))
print map(hex, pattmem)
# whew.
# now to insert this data into the file
# where to place the pattern program entry
patternbankptr = patternbank*7
# write the new pattern program
for i in range(7):
bf.setIndexedByte(patternbankptr+i, progentry[i])
# now we have to figure out the -end- of the last pattern is
endaddr = 0x6df
for p in pats:
endaddr = min(p['pattend'], endaddr)
print "top address = ", hex(endaddr)
beginaddr = endaddr - bytesForMemo(height) - len(pattmem) -1
print "end will be at ", hex(beginaddr)
if beginaddr <= 0x2B8:
print "sorry, this will collide with the pattern entry data!"
exit
# write the memo and pattern entry from the -end- to the -beginning- (up!)
for i in range(len(memoentry)):
bf.setIndexedByte(endaddr, 0)
endaddr -= 1
for i in range(len(pattmem)):
bf.setIndexedByte(endaddr, pattmem[i])
endaddr -= 1
# push the data to a file
outfile = open(sys.argv[3], 'wb')
d = bf.getFullData()
outfile.write(d)
outfile.close()
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