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"""
Copyright (C) 2013 Mayank Jha <mayank25080562@gmail.com>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 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 Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
"""
Copyright (C) 2013 Mayank Jha <mayank25080562@gmail.com>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 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 Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
from PIL import Image
def white_bg_square(img):
"return a white-background-color image having the img in exact center"
size = (max(img.size),)*2
layer = Image.new('1', size, 1)
layer.paste(img, tuple(map(lambda x:(x[0]-x[1])/2, zip(size, img.size))))
return layer
class BitmapCompare:
def basicCompare(self,testbmp,standardsprite,size,xoffset,equal=False):
master = Image.new('1',(size,size),0)
img = Image.open(testbmp)
square_one = white_bg_square(img)
square_one.resize((size,size))
master.paste(square_one,(0,0))
master.save(testbmp)
if equal:
master = Image.new('1',(size,size),0)
img = Image.open(standardsprite)
square_one = white_bg_square(img)
square_one.resize((size,size))
master.paste(square_one,(0,0))
master.save(standardsprite)
sprite = Image.open(standardsprite)
test = Image.open(testbmp)
count = 0
i=0
while i<size:
j=0
while j<size:
if sprite.getpixel((j+xoffset,i)) == test.getpixel((j,i)):
count+=1
j=j+1
i=i+1
return float(count)/(size*size)
class CreateSpriteSheet:
def __init__(self,pixelsize,font,glyphrange,effects):
master_width = (pixelsize * (glyphrange[1]-glyphrange[0]+1) )
#seperate each image with lots of whitespace
master_height = pixelsize
oldfont = font
print "the master image will by %d by %d" % (master_width, master_height)
print "creating image..."
master = Image.new(
mode='1',
size=(master_width, master_height),
color=0) # fully transparent
print "created."
if effects == "italic":
font.selection.all()
font = font.italicize(-13)
count=0
for i in range (glyphrange[0],glyphrange[1]):
location = pixelsize*count
try:
t=font[i]
if effects == "bold":
font[i].changeWeight(50,"auto",0,0,"auto")
font[i].export("temp.bmp",pixelsize,1)
img = Image.open("temp.bmp")
print "adding %s at %d..." % (str(i)+".bmp", location),
square_one = white_bg_square(img)
square_one.resize((pixelsize, pixelsize))
master.paste(square_one,(location,0))
print "added."
except:
print "ooopsy"
count+=1
print "done adding pics."
print "saving mastersprite.bmp..."
master.save('data/mastersprite'+effects+'.bmp' )
print "saved!"
font.close()
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