Add option to enable/disable camera feed window

By default, camera feed will not be shown to the user.

src/args.cpp

@@ -12,6 +12,7 @@ const char* argp_program_version =
 const struct argp_option options[] = {
 	//name, key, arg, flags, doc, group
 	{"haar-cascade",	0x00,	0,		0,	"Use Haar Cascades for faster (but less accurate) face detection.",	0},
+	{"show-camera",		0x01,	0,		0,	"Show the camera feed in another window",				0},
 	{"model",		'm',	"model",	0,	"Name of the model file to use. (not including '.fma')",		0},
 	{0}
 };
@@ -25,6 +26,7 @@ struct argp argp = {
 #endif
 
 struct optData optData = {
+	false,
 	false,
 	"test",
 };
@@ -36,6 +38,10 @@ error_t parseOptions(int key, char* arg, struct argp_state* state) {
 			optData.useHaar = true;
 			break;
 
+		case 0x01:	//--show-camera
+			optData.showCamera = true;
+			break;
+
 		case 'm':
 			optData.model = std::string(arg);
 			break;

src/args.hpp

@@ -11,7 +11,8 @@ error_t parseOptions(int key, char* arg, struct argp_state* state);
 
 struct optData {
 	bool useHaar;		// use haar cascades (0x00)
-	std::string model;	//model to open (0x6d "m")
+	bool showCamera;	// show camera feed (0x01)
+	std::string model;	// model to open (0x6d 'm')
 };
 
 extern const char* argp_program_version;

src/configfile.cpp

@@ -16,6 +16,10 @@ bool configFileOpen(struct optData* data) {
 	if (useHaarResult.first) {
 		data->useHaar = useHaarResult.second;
 	}
+	auto showCameraResult = configFile.table->getBool("show_camera");
+	if (showCameraResult.first) {
+		data->showCamera = showCameraResult.second;
+	}
 	auto modelNameResult = configFile.table->getString("model");
 	if (modelNameResult.first) {
 		data->model = modelNameResult.second;

src/cv.cpp

@@ -209,7 +209,7 @@ void cvFrame() {
 }
 
 void cvShowFrame() {
-	if(frame.empty()) return;
+	if(frame.empty() || !optData.showCamera) return;
 
 	cv::imshow("Video Input", frame);
 	cv::waitKey(1);

src/fc2dconfig.cpp

@@ -22,6 +22,7 @@ class ConfigurationFrame : public wxFrame {
 	private:
 		std::vector<std::string> modelVec;
 		wxCheckBox* useHaarCheckBox;
+		wxCheckBox* showCameraCheckBox;
 		wxChoice* modelNameChoice;
 		void loadExistingConfig();	// loads existing config file and populates controls
 		void OnApply(wxCommandEvent& event);
@@ -52,6 +53,7 @@ ConfigurationFrame::ConfigurationFrame() : wxFrame(NULL, wxID_ANY, "Configure "
 
 	// define all controls and labels
 	useHaarCheckBox = new wxCheckBox(panel, wxID_ANY, "Disable DNN face detection");
+	showCameraCheckBox = new wxCheckBox(panel, wxID_ANY, "Show camera feed");
 	wxStaticText* modelNameText = new wxStaticText(panel, wxID_ANY, "Model name:");
 	modelNameChoice = new wxChoice(panel, wxID_ANY, wxDefaultPosition, wxDefaultSize, modelVec.size(), modelArray);
 
@@ -61,6 +63,7 @@ ConfigurationFrame::ConfigurationFrame() : wxFrame(NULL, wxID_ANY, "Configure "
 
 	wxStaticBoxSizer* generalBoxSizer = new wxStaticBoxSizer(new wxStaticBox(panel, wxID_ANY, "General"), wxVERTICAL);
 	generalBoxSizer->Add(modelSizer, 0, wxALL, 5);
+	generalBoxSizer->Add(showCameraCheckBox, 0, wxALL, 5);
 
 	wxStaticBoxSizer* performanceBoxSizer = new wxStaticBoxSizer(new wxStaticBox(panel, wxID_ANY, "Performance"), wxVERTICAL);
 	performanceBoxSizer->Add(useHaarCheckBox, 0, wxALL, 5);
@@ -92,6 +95,7 @@ void ConfigurationFrame::loadExistingConfig() {
 	configFileOpen(&configData);
 
 	useHaarCheckBox->SetValue(configData.useHaar);
+	showCameraCheckBox->SetValue(configData.showCamera);
 	for (int i = 0; i < modelVec.size(); i++) {
 		if (modelVec[i] == configData.model) {
 			modelNameChoice->SetSelection(i);
@@ -105,6 +109,7 @@ void ConfigurationFrame::OnApply(wxCommandEvent& event) {
 	std::ofstream configFile;
 	configFile.open(prefixConfig + "config.toml");
 	configFile << "use_haar = " << (useHaarCheckBox->GetValue() ? "true" : "false") << std::endl;
+	configFile << "show_camera = " << (showCameraCheckBox->GetValue() ? "true" : "false") << std::endl;
 	// janky edge case lmao
 	// if user did not select any model, don't write the line in the config file!
 	if (modelNameChoice->GetSelection() != wxNOT_FOUND) {