75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
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# 排版解析-单栏-代码段
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from .parser_single_line import SingleLine
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from .parser_tools.line_preprocessing import linePreprocessing # 行预处理
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from bisect import bisect_left
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class SingleCode(SingleLine):
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def __init__(self):
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self.tbpuName = "排版解析-单栏-代码段"
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def merge_line(self, line): # 合并一行
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A = line[0]
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ba = A["box"]
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ha = ba[3][1] - ba[0][1] # 块A行高
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score = A["score"]
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for i in range(1, len(line)):
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B = line[i]
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bb = B["box"]
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ha = (ha + bb[3][1] - bb[0][1]) / 2
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# 合并文字，补充与间距相同的空格数
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space = 0
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if bb[0][0] > ba[1][0]:
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space = round((bb[0][0] - ba[1][0]) / ha)
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A["text"] += " " * space + B["text"]
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print(space, bb[0][0], ba[1][0])
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# 合并包围盒
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yTop = min(ba[0][1], ba[1][1], bb[0][1], bb[1][1])
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yBottom = max(ba[2][1], ba[3][1], bb[2][1], bb[3][1])
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xLeft = min(ba[0][0], ba[3][0], bb[0][0], bb[3][0])
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xRight = max(ba[1][0], ba[2][0], bb[1][0], bb[2][0])
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ba[0][1] = ba[1][1] = yTop # y上
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ba[2][1] = ba[3][1] = yBottom # y下
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ba[0][0] = ba[3][0] = xLeft # x左
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ba[1][0] = ba[2][0] = xRight # x右
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# 置信度
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score += B["score"]
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A["score"] = score / len(line)
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del A["normalized_bbox"]
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A["end"] = "\n"
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return A
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def indent(self, tbs): # 分析所有行，构造缩进
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lh = 0 # 平均行高
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xMin = float("inf") # 句首的最左、最右x值
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xMax = float("-inf")
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for tb in tbs:
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b = tb["box"]
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lh += b[3][1] - b[0][1]
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x = b[0][0]
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xMin = min(xMin, x)
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xMax = max(xMax, x)
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lh /= len(tbs)
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lh2 = lh / 2
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# 构建缩进层级列表
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levelList = []
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x = xMin
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while x < xMax:
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levelList.append(x)
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x += lh
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# 按照层级，为每行句首加上空格，并调整包围盒
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for tb in tbs:
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b = tb["box"]
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level = bisect_left(levelList, b[0][0] + lh2) - 1 # 二分查找层级点
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tb["text"] = " " * level + tb["text"] # 补充空格
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b[0][0] = b[3][0] = xMin # 左侧归零
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def run(self, textBlocks):
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textBlocks = linePreprocessing(textBlocks) # 预处理
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lines = self.get_lines(textBlocks) # 获取每一行
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tbs = [self.merge_line(line) for line in lines] # 合并所有行
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self.indent(tbs) # 为每行添加句首缩进
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return tbs
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