def check_text_size(path, min_page_ratio='6'):
""" Looking through all page layouts for text and comparing it size
to page size
"""
rez = []
min_page_ratio = float(min_page_ratio)
for page_num, page_layout in document_pages_layouts(path):
# comparing only heights of page and text
page_size = page_layout.height
for character in layout_characters(page_layout):
if character.size * min_page_ratio < page_size:
rez.append({
'id':
'C1002',
'page':
'Slide %s' % (page_num + 1),
'msg_name':
'font-to-small',
'msg':
"Font is to small: Text should take up "
"a minimum of 1/%sth the page." % min_page_ratio,
'help':
"Font is to small: Text should take up "
"a minimum of 1/6th(by default) the page."
})
break
return rez
def goes_throught_pages(source):
""" yields characters info and its background per page """
with tempdir.TempDir() as dist:
raw_html, images = tranform2html(source, dist)
color_extractor = TextColorExtractor(raw_html)
document_layout = document_pages_layouts(source)
for (page_num, page_layout), image in izip(document_layout, images):
page_background = Image.open(image)
page_text_colors = color_extractor(page_num)
page_images = get_text_color_and_background(
page_text_colors, page_layout, page_background)
yield page_num, page_images
def check_text_size(path, min_page_ratio='6'):
""" Looking through all page layouts for text and comparing it size
to page size
"""
rez = []
min_page_ratio = float(min_page_ratio)
for page_num, page_layout in document_pages_layouts(path):
# comparing only heights of page and text
page_size = page_layout.height
for character in layout_characters(page_layout):
if character.size * min_page_ratio < page_size:
rez.append(
{'id': 'C1002',
'page': 'Slide %s' % (page_num + 1),
'msg_name': 'font-to-small',
'msg': "Font is to small: Text should take up "
"a minimum of 1/%sth the page." % min_page_ratio,
'help': "Font is to small: Text should take up "
"a minimum of 1/6th(by default) the page."}
)
break
return rez
def check_edges_danger_zone(path, min_page_ratio=12):
""" Looking through all page layouts for text and comparing it size
to page size
"""
# return []
rez = []
min_page_ratio = float(min_page_ratio)
for page_num, page_layout in document_pages_layouts(path):
width_dist = page_layout.width / min_page_ratio
height_dist = page_layout.height / min_page_ratio
# correlation of zero coordinates
save_zone = (width_dist, height_dist, page_layout.width - width_dist,
page_layout.height - height_dist)
# checking save zone
for character in layout_characters(page_layout):
legal = (save_zone[0] < character.bbox[0],
save_zone[1] < character.bbox[1],
save_zone[2] > character.bbox[2],
save_zone[3] > character.bbox[3])
if not all(legal):
rez.append({
'id':
'C1003',
'page':
'Slide %s' % (page_num + 1),
'msg_name':
'too-close-to-edges',
'msg':
'Too close to edges: Text should not appear '
'closer than 1/%sth of the page size '
'to the edges.' % min_page_ratio,
'help':
'Too close to edges: Text should not appear '
'closer than 1/12th(by default) of the'
' page size to the edges.',
})
break
return rez
def check_edges_danger_zone(path, min_page_ratio=12):
""" Looking through all page layouts for text and comparing it size
to page size
"""
# return []
rez = []
min_page_ratio = float(min_page_ratio)
for page_num, page_layout in document_pages_layouts(path):
width_dist = page_layout.width / min_page_ratio
height_dist = page_layout.height / min_page_ratio
# correlation of zero coordinates
save_zone = (
width_dist,
height_dist,
page_layout.width - width_dist,
page_layout.height - height_dist)
# checking save zone
for character in layout_characters(page_layout):
legal = (
save_zone[0] < character.bbox[0],
save_zone[1] < character.bbox[1],
save_zone[2] > character.bbox[2],
save_zone[3] > character.bbox[3])
if not all(legal):
rez.append({
'id': 'C1003',
'page': 'Slide %s' % (page_num + 1),
'msg_name': 'too-close-to-edges',
'msg': 'Too close to edges: Text should not appear '
'closer than 1/%sth of the page size '
'to the edges.' % min_page_ratio,
'help': 'Too close to edges: Text should not appear '
'closer than 1/12th(by default) of the'
' page size to the edges.'}
)
break
return rez
