private void CamTracer_Load(object sender, EventArgs e)
{
lock (_modelSync)
{
LoadState();
updateColorPanels();
}
methodBox.SelectedIndex = _method;
thresholdField.Value = (decimal)_threshold;
thresholdBar.Value = (int)(_threshold * 255);
alphaField.Value = (decimal)_alpha;
alphaBar.Value = (int)(_alpha * 255);
colorAlphaField.Value = (decimal)_colorAlpha;
colorAlphaBar.Value = (int)(_colorAlpha * 255);
string name = "Camera #0";
string[] names = SelectCameraDialog.GetNames();
if (null != names && names.Length > 0)
{
if (_cameraIndex < 0 || _cameraIndex >= names.Length)
{
_cameraIndex = 0;
}
name = names[_cameraIndex];
}
else
{
_cameraIndex = 0;
}
capture_Init(_cameraIndex, name);
}
#pragma warning restore CS0197
private void changeCameraBtn_Click(object sender, EventArgs e)
{
SelectCameraDialog dlg = new SelectCameraDialog(_cameraIndex);
if (DialogResult.OK == dlg.ShowDialog(this))
{
capture_Init(dlg.CameraIndex, dlg.CameraName);
}
}
private void capture_Init(int cameraIndex, string cameraName)
{
Cursor current = Cursor.Current;
Cursor.Current = Cursors.WaitCursor;
capture_Close();
if (!capture_Open(cameraIndex, cameraName))
{
string[] names = SelectCameraDialog.GetNames();
bool failure = true;
if (null != names && names.Length > 0)
{
int index = cameraIndex + 1;
while (index != cameraIndex)
{
if (index >= names.Length)
{
index = 0;
continue;
}
if (capture_Open(index, names[index]))
{
failure = false;
break;
}
index++;
}
}
if (failure)
{
MessageBox.Show(this, "Unable to connect to a camera, the application will be closed.", "CamTracer Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Close();
}
}
Cursor.Current = current;
}