Fix LineAA in case of 4 channel

Fix bug when enter 4 channel image to LineAA function.

Fix LineAA in case of 4 channel
Fix bug when enter 4 channel image to LineAA function.
cd13b30f · Tsukasa Sugiura · 190d00ea · cd13b30f
隐藏空白更改
内联并排

Showing with 2 addition and 2 deletion

modules/imgproc/src/drawing.cpp modules/imgproc/src/drawing.cpp +2 -2

未找到文件。
--- a/modules/imgproc/src/drawing.cpp
+++ b/modules/imgproc/src/drawing.cpp
@@ -610,12 +610,12 @@ 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();