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Fix LineAA in case of 4 channel

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Fix bug when enter 4 channel image to LineAA function.
This commit is contained in:
Tsukasa Sugiura 2015-09-12 01:48:28 +09:00
parent 8b33c6fa8f
commit b23e536894
1 changed files with 2 additions and 2 deletions
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4
modules/core/src/drawing.cpp
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@ -608,12 +608,12 @@ LineAA( Mat& img, Point pt1, Point pt2, const void* color )
ICV_PUT_POINT();
ICV_PUT_POINT();
tptr += step;
tptr += 4;
a = (ep_corr * FilterTable[dist] >> 8) & 0xff;
ICV_PUT_POINT();
ICV_PUT_POINT();
tptr += step;
tptr += 4;
a = (ep_corr * FilterTable[63 - dist] >> 8) & 0xff;
ICV_PUT_POINT();
ICV_PUT_POINT();