mirror of
https://github.com/Kozea/WeasyPrint.git
synced 2024-10-04 16:07:57 +03:00
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
# coding: utf8
|
|
|
|
# WeasyPrint converts web documents (HTML, CSS, ...) to PDF.
|
|
# Copyright (C) 2011 Simon Sapin
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Affero General Public License as
|
|
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
"""
|
|
Replaced elements (eg. <img> elements) are rendered externally and behave
|
|
as an atomic opaque box in CSS. They may or may not have intrinsic dimensions.
|
|
"""
|
|
|
|
|
|
def get_replaced_element(element):
|
|
"""
|
|
Take a DOM element, determines whether it is replaced, and return a
|
|
Replacement object if it is, None if it is not.
|
|
"""
|
|
# TODO: maybe allow registering new replaced elements
|
|
if element.tag == 'img':
|
|
return ImageReplacement(element)
|
|
else:
|
|
return None
|
|
|
|
|
|
class Replacement(object):
|
|
"""
|
|
Abstract base class for replaced elements
|
|
"""
|
|
|
|
def __init__(self, element):
|
|
self.element = element
|
|
|
|
|
|
class ImageReplacement(Replacement):
|
|
"""
|
|
A replaced <img> element.
|
|
"""
|
|
|