grafju78439/Laserpointer_auf_Beamer
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Convert to HSV (ohen tolle filterung)

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Mouse Click mit Pfeiltasten
This commit is contained in:
Julian Graf 2022-05-19 15:34:56 +02:00
parent 5aefc9c0b3
commit ee084dd3b9
2 changed files with 30 additions and 5 deletions
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32
src/ofApp.cpp
View File

@ -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;

3
src/ofApp.h
View File

@ -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;