def save_origin_icon(filename, content):
image = Image.open(StringIO(content))
width, height = image.size
if width > 500:
width = 500
height = int(height * 500 / float(width))
if height < 100:
return False
i = image.resize((width, height), Image.ANTIALIAS)
p = fs.filepath(filename, 'origin')
i.save(p, quality=150)
def crop_photo(filename, content):
source_path = fs.save(filename, content, 'origin')
image = Image.open(source_path)
width, height = image.size
middle_width = MIDDLE_WIDTH
if width < middle_width or height < middle_width:
return False
middle_height = int(float(middle_width) * float(height) / float(width))
middle_image = image.resize((middle_width, middle_height), Image.ANTIALIAS)
middle_path = fs.filepath(filename, 'photo')
middle_image.save(middle_path, quality=150)
# thumb
left, upper, right, lowwer = 0, 0, THUMB_WIDTH, THUMB_HEIGHT
crop_width, crop_height = THUMB_WIDTH, THUMB_HEIGHT
if float(THUMB_WIDTH)/float(THUMB_HEIGHT) < float(width)/float(height):
crop_height = height
crop_width = int(height * (float(THUMB_WIDTH) / float(THUMB_HEIGHT)))
left = int((width - crop_width) / 2)
right = left + crop_width
lowwer = height
else:
crop_width = width
crop_height = int(width * (float(THUMB_HEIGHT) / float(THUMB_WIDTH)))
upper = int((height - crop_height) / 2)
lowwer = upper + crop_height
right = width
box = (left, upper, right, lowwer)
thumb_image = image.crop(box)
thumb_image = thumb_image.resize((THUMB_WIDTH, THUMB_HEIGHT), Image.ANTIALIAS)
thumb_path = fs.filepath(filename, 'thumb')
thumb_image.save(thumb_path, quality=150)
return middle_width, middle_height
def crop_icon(filename, coords):
coords = coords.split(' ')
if len(coords) != 4:
return False
left, top, width, height = map(int, coords)
source_path = fs.filepath(filename, 'origin')
image = Image.open(source_path)
box = (left, top, left+width, top+height)
origin_image = image.crop(box)
origin_image = origin_image.resize((ICON_ORIGIN_WIDTH, ICON_ORIGIN_WIDTH),
Image.ANTIALIAS)
origin_path = fs.filepath(filename, 'photo')
origin_image.save(origin_path, quality=150)
thumb_image = origin_image.resize((ICON_WIDTH, ICON_WIDTH), Image.ANTIALIAS)
thumb_path = fs.filepath(filename, 'thumb')
thumb_image.save(thumb_path, quality=150)
fs.delete(filename, 'origin')
return True
