def flip_image(img, flip):
from calibre.utils.img import flip_image, image_and_format_from_data, image_to_data
with lopen(img, 'r+b') as f:
img, fmt = image_and_format_from_data(f.read())
img = flip_image(img, horizontal='x' in flip, vertical='y' in flip)
f.seek(0), f.truncate()
f.write(image_to_data(img, fmt=fmt))
def flip_image(img, flip):
from calibre.utils.img import flip_image, image_and_format_from_data, image_to_data
with lopen(img, 'r+b') as f:
img, fmt = image_and_format_from_data(f.read())
img = flip_image(img, horizontal='x' in flip, vertical='y' in flip)
f.seek(0), f.truncate()
f.write(image_to_data(img, fmt=fmt))
def convert_webp(self, item):
from calibre.utils.img import image_and_format_from_data, image_to_data
img, fmt = image_and_format_from_data(item.data)
if fmt == 'webp' and not img.isNull():
self.log.info(f'Converting WebP image {item.href} to PNG')
item.data = image_to_data(img, fmt='PNG')
item.media_type = 'image/png'
def __init__(self, path_or_bytes):
if not isinstance(path_or_bytes, bytes):
with open(path_or_bytes, 'rb') as f:
path_or_bytes = f.read()
self.img_data = path_or_bytes
fmt, width, height = identify(path_or_bytes)
self.img, self.fmt = image_and_format_from_data(path_or_bytes)
self.width, self.height = self.img.width(), self.img.height()
self.cache_key = self.img.cacheKey()
def load(self, data):
if not data:
raise ValueError('No image data present')
self.img, self.read_format = image_and_format_from_data(data)
def load(self, data):
if not data:
raise ValueError('No image data present')
self.img, self.read_format = image_and_format_from_data(data)
def identify(self, data):
img, fmt = image_and_format_from_data(data)
return img.width(), img.height(), fmt
def load(self, data):
if not data:
raise ValueError('Cannot open image from empty data string')
img, self.read_format = image_and_format_from_data(data)
self.from_qimage(img)
