def flip_images(raw):
for match in re.finditer('<IMG[^>]+/?>', raw, flags=re.I):
img = match.group()
m = re.search(r'class="(x|y|xy)flip"', img)
if m is None:
continue
flip = m.group(1)
src = re.search(r'src="([^"]+)"', img)
if src is None:
continue
img = src.group(1)
if not os.path.exists(img):
continue
flip_image(img, flip)
raw = re.sub(r'<STYLE.+?</STYLE>\s*', '', raw, flags=re.I | re.DOTALL)
counter = 0
def add_alt(m):
nonlocal counter
counter += 1
return m.group(1).rstrip('/') + f' alt="Image {counter}"/>'
raw = re.sub('(<IMG[^>]+)/?>', add_alt, raw, flags=re.I)
return raw
def flip_images(raw):
for match in re.finditer('<IMG[^>]+/?>', raw, flags=re.I):
img = match.group()
m = re.search(r'class="(x|y|xy)flip"', img)
if m is None:
continue
flip = m.group(1)
src = re.search(r'src="([^"]+)"', img)
if src is None:
continue
img = src.group(1)
if not os.path.exists(img):
continue
flip_image(img, flip)
raw = re.sub(r'<STYLE.+?</STYLE>\s*', '', raw, flags=re.I | re.DOTALL)
return raw
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_images(raw):
for match in re.finditer('<IMG[^>]+/?>', raw, flags=re.I):
img = match.group()
m = re.search(r'class="(x|y|xy)flip"', img)
if m is None:
continue
flip = m.group(1)
src = re.search(r'src="([^"]+)"', img)
if src is None:
continue
img = src.group(1)
if not os.path.exists(img):
continue
flip_image(img, flip)
raw = re.sub(r'<STYLE.+?</STYLE>\s*', '', raw, flags=re.I|re.DOTALL)
return raw
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(self, vertical=True):
self.img = flip_image(self.img, horizontal=not vertical, vertical=vertical)
def flip(self, vertical=True):
self.img = flip_image(self.img,
horizontal=not vertical,
vertical=vertical)