def testCheckOverlap(self):
# The second box has a top left point in the center of the first.
packing = [(0, 0, Box(2, 2)), (1, 1, Box(2, 2))]
self.assert_(not check_no_overlap(packing))
def testCheckNoOverlap(self):
# These boxes touch but do not overlap.
packing = [(0, 0, Box(2, 2)), (2, 0, Box(2, 2))]
self.assert_(check_no_overlap(packing))
def handle_noargs(self, **options):
version_stamp = str(int(time.mktime(datetime.now().timetuple())))
BUFFER_SIZE = 40
images = []
filenames = []
boxes = []
directories = getattr(settings, 'SPRITE_DIRS',
['/media/public_media/images/sprites'])
for directory in directories:
for image in [
f for f in os.listdir(directory) if f.endswith('.png')
]:
image_file = Image.open('%s/%s' % (
directory,
image,
))
image_width, image_height = image_file.size
boxes.append(Box(image_width, image_height, image_file))
max_width, y_off, packing = pack_boxes(boxes)
master = Image.new(mode='RGBA',
size=(max_width, y_off),
color=(0, 0, 0, 0)) # fully transparent
for x, y, image in packing:
master.paste(image.filename, (x, y))
map_ouput = '%s' % getattr(settings, 'SPRITE_MAP_OUTPUT')
location = '%ssprites.r%s.%s' % (getattr(
settings, 'SPRITE_MAP_OUTPUT'), version_stamp, 'png')
master.save(location)
css_file_location = '%ssprites.css' % getattr(settings,
'SPRITE_CSS_OUTPUT')
sprite_url = '../images/sprites.r%s.png' % version_stamp
iconCssFile = open(css_file_location, 'w')
print css_file_location
for x, y, image in packing:
image_file = image.filename
image_width, image_height = image_file.size
filename = image_file.filename.split('/')[-1].split('.')[0]
css = """.sprite_%(filename)s {
background-position: -%(top)spx -%(left)spx;
width:%(width)spx;
height:%(height)spx;
display: inline-block;
}
""" % {
'filename': filename,
'top': x,
'left': y,
'width': image_width,
'height': image_height
}
iconCssFile.write(css)
iconCssFile.write("""
.sprite, .sprite_inline {
background-image: url('%s');
*background-image: url('%s');
}
""" % (sprite_url, sprite_url))
iconCssFile.close()