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Fix for #5495 : add setTrackbarMin

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This commit is contained in:
Aman Verma
2015-10-19 08:44:06 +00:00
parent 37ce3b8cfe
commit b0209ad7f7
10 changed files with 184 additions and 6 deletions
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34
modules/highgui/src/window_w32.cpp
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@@ -2325,7 +2325,7 @@ CV_IMPL void cvSetTrackbarMax(const char* trackbar_name, const char* window_name
if (trackbar)
{
// The position will be min(pos, maxval).
trackbar->maxval = maxval;
trackbar->maxval = (trackbar->minval>maxval)?trackbar->minval:maxval;
SendMessage(trackbar->hwnd, TBM_SETRANGEMAX, (WPARAM)TRUE, (LPARAM)maxval);
}
}
@@ -2335,6 +2335,38 @@ CV_IMPL void cvSetTrackbarMax(const char* trackbar_name, const char* window_name
}
CV_IMPL void cvSetTrackbarMin(const char* trackbar_name, const char* window_name, int minval)
{
CV_FUNCNAME( "cvSetTrackbarMin" );
__BEGIN__;
if (maxval >= 0)
{
CvWindow* window = 0;
CvTrackbar* trackbar = 0;
if (trackbar_name == 0 || window_name == 0)
{
CV_ERROR(CV_StsNullPtr, "NULL trackbar or window name");
}
window = icvFindWindowByName(window_name);
if (window)
{
trackbar = icvFindTrackbarByName(window, trackbar_name);
if (trackbar)
{
// The position will be min(pos, maxval).
trackbar->minval = (minval<trackbar->maxval)?minval:trackbar->maxval;
SendMessage(trackbar->hwnd, TBM_SETRANGEMIN, (WPARAM)TRUE, (LPARAM)minval);
}
}
}
__END__;
}
CV_IMPL void* cvGetWindowHandle( const char* window_name )
{
void* hwnd = 0;