/// WM_MOUSEMOVE
int wmMouseMove(WORD /* i_keys */, int /* i_x */, int /* i_y */) {
if (GetCapture() == m_hwnd) {
PointWindow pw;
CHECK_TRUE( GetCursorPos(&pw.m_p) );
pw.m_hwnd = 0;
CHECK_TRUE( GetWindowRect(GetDesktopWindow(), &pw.m_rc) );
EnumWindows(windowFromPoint, (LPARAM)&pw);
while (1) {
HWND hwndParent = pw.m_hwnd;
if (!EnumChildWindows(pw.m_hwnd, childWindowFromPoint, (LPARAM)&pw))
break;
if (hwndParent == pw.m_hwnd)
break;
}
if (pw.m_hwnd != m_preHwnd) {
if (m_preHwnd)
invertFrame(m_preHwnd);
m_preHwnd = pw.m_hwnd;
invertFrame(m_preHwnd);
SendMessage(GetParent(m_hwnd), WM_APP_targetNotify, 0,
(LPARAM)m_preHwnd);
}
SetCursor(m_hCursor);
}
return 0;
}
/*
public callable function
to apply image effects set the getters on this class
*/
cv::Mat VideoProcessing::process(cv::Mat &frame) {
// save reference to the current frame, do NOT copy it into the memory
this->frame = frame;
if (picGreyscale == true) {
convertFrame2Grey();
}
if (picInvert == true) {
invertFrame();
}
if (picFlip == true) {
flipFrame();
}
if (picRotateAngle != 0) {
rotateFrame();
}
if (picEqualize == true) {
equalizeFrame();
}
if (picSharpen == true) {
sharpenFrame();
}
if (picCrop == true) {
cropFrame();
}
return this->frame;
}
/// WM_LBUTTONUP
int wmLButtonUp(WORD /* i_keys */, int /* i_x */, int /* i_y */) {
if (m_preHwnd)
invertFrame(m_preHwnd);
m_preHwnd = NULL;
ReleaseCapture();
CHECK_TRUE( InvalidateRect(m_hwnd, NULL, TRUE) );
CHECK_TRUE( UpdateWindow(m_hwnd) );
return 0;
}