Convert to HSV (ohen tolle filterung)

Mouse Click mit Pfeiltasten

src/ofApp.cpp

@@ -17,9 +17,15 @@ void ofApp::update(){
     webcam.update();
 
     if (webcam.isFrameNew()) {
+
+        rgb_immage.setFromPixels(webcam.getPixels());
+        rgb_immage.blurGaussian(5);
+        hsv_immage = rgb_immage;
+        hsv_immage.convertRgbToHsv();
+
         contour.setTargetColor(color);
         contour.setThreshold(30);
-        contour.findContours(webcam);
+        contour.findContours(hsv_immage);
         selection = 0;
         if (contour.size() != 0) {
             for (i = 1; i < contour.size(); i++) {
@@ -39,13 +45,13 @@ void ofApp::update(){
 //--------------------------------------------------------------
 void ofApp::draw(){
     ofSetColor(255);
-    webcam.draw(0, 0);
+    rgb_immage.draw(0, 0);
 
     contour.draw();
     
     ofFill();
     ofSetColor(color);
-    ofDrawRectangle(webcam.getWidth(), 0, 128, 128);
+    ofDrawRectangle(rgb_immage.getWidth(), 0, 128, 128);
     ofDrawLine(cp_top_left.x, cp_top_left.y, cp_top_right.x, cp_top_right.y);
     ofDrawLine(cp_top_right.x, cp_top_right.y, cp_bottom_right.x, cp_bottom_right.y);
     ofDrawLine(cp_bottom_right.x, cp_bottom_right.y, cp_bottom_left.x, cp_bottom_left.y);
@@ -62,11 +68,27 @@ void ofApp::draw(){
 //--------------------------------------------------------------
 void ofApp::keyPressed(int key){
     key_pressed = 1;
+
+    if (key == 57358) {   
+        mouse_event(MOUSEEVENTF_LEFTDOWN, 0, 0, 0, 0);
+    }
+    else if (key == 57356) {
+        mouse_event(MOUSEEVENTF_RIGHTDOWN, 0, 0, 0, 0);
+    }
+    else if (key == 57357) {
+        select_colour = select_colour ^ 0x0001;
+    }
 }
 
 //--------------------------------------------------------------
 void ofApp::keyReleased(int key){
     key_pressed = 0;
+    if (key == 57358) {
+        mouse_event(MOUSEEVENTF_LEFTUP, 0, 0, 0, 0);
+    }
+    else if (key == 57356) {
+        mouse_event(MOUSEEVENTF_RIGHTUP, 0, 0, 0, 0);
+    }
 }
 
 //--------------------------------------------------------------
@@ -81,8 +103,8 @@ void ofApp::mouseDragged(int x, int y, int button){
 
 //--------------------------------------------------------------
 void ofApp::mousePressed(int x, int y, int button) {
-    if (calibrated == 4) {
-        color = webcam.getPixels().getColor(x, y);
+    if (calibrated == 4 && select_colour == 0x0001) {
+        color = hsv_immage.getPixels().getColor(x, y);
         printf("%i, %i, %i\n", color.r, color.g, color.b);
         printf("%f, %f, %f, %f \n", y_offset, y_scale, x_offset, x_scale);
         color_picked = 1;

src/ofApp.h

@@ -30,6 +30,8 @@ class ofApp : public ofBaseApp{
 		void scaleTrapeze(void);
 
 		ofVideoGrabber webcam;
+		ofxCvColorImage rgb_immage;
+		ofxCvColorImage hsv_immage;
 		ofxCv::ContourFinder contour;
 		cv::Point2f center_trapeze;
 		cv::Point2f center_rect;
@@ -41,6 +43,7 @@ class ofApp : public ofBaseApp{
 		int biggest_contour;
 		unsigned int selection;
 		int calibrated;
+		int select_colour;
 		float y_scale;
 		float y_offset;
 		float x_scale;