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update samples: waitKey() usage

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Original commit is a5f19f7dd6ae5bc93f73e0417a9e0bfd34c01672
This commit is contained in:
StevenPuttemans
2016-08-12 15:11:30 +02:00
committed by Alexander Alekhin
parent 4e7b521438
commit 6d34d6b47e
76 changed files with 142 additions and 154 deletions
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samples/cpp/select3dobj.cpp
+3 -3
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@@ -285,8 +285,8 @@ static int select3DBox(const string& windowname, const string& selWinName, const
imshow(windowname, shownFrame);
imshow(selWinName, selectedObjFrame);
int c = waitKey(30);
if( (c & 255) == 27 )
char c = (char)waitKey(30);
if( c == 27 )
{
nobjpt = 0;
}
@@ -593,7 +593,7 @@ int main(int argc, char** argv)
imshow("View", shownFrame);
imshow("Selected Object", selectedObjFrame);
int c = waitKey(imageList.empty() && !box.empty() ? 30 : 300);
char c = (char)waitKey(imageList.empty() && !box.empty() ? 30 : 300);
if( c == 'q' || c == 'Q' )
break;
if( c == '\r' || c == '\n' )