Merge pull request #1090 from kyuupichan/fastbmpsave
Use string joins instead of concatenation for efficiency.
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410ab5b3ee
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@ -174,12 +174,13 @@ class BitMap(object):
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# write pixels
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self.bitarray.reverse()
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rows = []
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for row in self.bitarray:
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for pixel in row:
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c = self.palette[pixel]
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_bitmap += long24ToString(c)
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for i in range(line_padding):
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_bitmap += chr( 0 )
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rows.append(long24ToString(c))
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rows.append(chr(0) * line_padding)
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_bitmap += ''.join(rows)
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return _bitmap
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