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from .quad import Quad
class TextLines:
'''
The abstrct class of text lines in an input image for scene text detection and recognition.
Input:
lines:
- text: the text content of a text instance.
poly: the quadrangle-box of the text instance.
charboxes: the quadrangle-box of the characters inside the corresponding text instance.
'''
def __init__(self, lines, with_charboxes=True):
self.texts = []
quads = []
self.charboxes = []
for line in lines:
self.texts.append(line['text'])
quads.append(line['poly'])
if with_charboxes and 'charboxes' in line:
self.charboxes.append(Quad(line['charboxes']))
self.with_charboxes = len(self.charboxes) > 0
self.quads = Quad(quads)
self._rects = None
def __iter__(self):
for text, quad in zip(self.texts, self.quads):
yield(text, quad)
@property
def rects(self):
if self._rects is None:
self._rects = self.quads.rectify()
return self._rects
def __len__(self):
return len(self.texts)
def char_count(self):
return sum([len(t) for t in self.texts])
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