123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158 |
- #include "ofApp.h"
-
- //--------------------------------------------------------------
- void ofApp::setup(){
- webcam.setup(1280, 720);
-
- contour.setMinAreaRadius(1);
- contour.setMaxAreaRadius(5);
- color_red_laser.set(185, 160, 160);
- calibrated = 0;
- key_pressed = 0;
-
- }
-
- //--------------------------------------------------------------
- void ofApp::update(){
- webcam.update();
-
- if (webcam.isFrameNew()) {
- contour.setTargetColor(color);
- contour.setThreshold(30);
- contour.findContours(webcam);
- selection = 0;
- if (contour.size() != 0) {
- for (i = 1; i < contour.size(); i++) {
- if (contour.getContourArea(i) > contour.getContourArea(selection)) {
- selection = i;
- }
- }
- if ((color_picked == 1) && (contour.getContourArea(selection) != 0)) {
- center = contour.getCenter(selection);
- }
- }
-
-
- }
- }
-
- //--------------------------------------------------------------
- void ofApp::draw(){
- ofSetColor(255);
- webcam.draw(0, 0);
-
- contour.draw();
-
- ofFill();
- ofSetColor(color);
- ofDrawRectangle(webcam.getWidth(), 0, 128, 128);
- if (color_picked == 1 && key_pressed == 0) {
- scaleTrapeze();
- scaleRectangel();
- SetCursorPos(cp_cursor_position.x, cp_cursor_position.y);
- }
-
- }
-
- //--------------------------------------------------------------
- void ofApp::keyPressed(int key){
- key_pressed = 1;
- }
-
- //--------------------------------------------------------------
- void ofApp::keyReleased(int key){
- key_pressed = 0;
- }
-
- //--------------------------------------------------------------
- void ofApp::mouseMoved(int x, int y ){
-
- }
-
- //--------------------------------------------------------------
- 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);
- 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;
- }
- if (calibrated != 4 && key_pressed == 0) {
- if (calibrated == 0) {
- GetCursorPos(&cp_top_left);
- }
- if (calibrated == 1) {
- GetCursorPos(&cp_top_right);
- }
- if (calibrated == 2) {
- GetCursorPos(&cp_bottom_right);
- }
- if (calibrated == 3) {
- GetCursorPos(&cp_bottom_left);
-
- x_offset = (cp_top_left.x + cp_bottom_left.x) / 2.0;
-
- x_scale = ofGetScreenWidth() / (cp_bottom_right.x - x_offset);
-
- y_offset = (cp_top_left.y + cp_top_right.y) / 2.0;
-
- y_scale = ofGetScreenHeight() / ((cp_bottom_left.y + cp_bottom_right.y) / 2.0 - y_offset);
-
- }
- calibrated++;
- }
- }
-
- //--------------------------------------------------------------
- void ofApp::mouseReleased(int x, int y, int button){
-
- }
-
- //--------------------------------------------------------------
- void ofApp::mouseEntered(int x, int y){
-
- }
-
- //--------------------------------------------------------------
- void ofApp::mouseExited(int x, int y){
-
- }
-
- //--------------------------------------------------------------
- void ofApp::windowResized(int w, int h){
-
- }
-
- //--------------------------------------------------------------
- void ofApp::gotMessage(ofMessage msg){
-
- }
-
- //--------------------------------------------------------------
- void ofApp::dragEvent(ofDragInfo dragInfo){
-
- }
-
-
- void ofApp::scaleTrapeze(void) {
- left_pitch = (cp_top_left.y - cp_bottom_left.y) / (cp_top_left.x - cp_bottom_left.x);
- right_pitch = (cp_top_right.y - cp_bottom_right.y) / (cp_top_right.x - cp_bottom_right.x);
- middle = cp_top_right.x - cp_top_left.x;
-
- if (center.x > middle) {
- center.x = center.x + (((center.y - cp_top_right.y) / right_pitch) * ((cp_bottom_right.x - middle) - ((center.y - cp_top_right.y) / right_pitch)) / (center.x - middle));
- }
- else {
- center.x = center.x + (((center.y - cp_top_left.y) / left_pitch) * ((middle - cp_bottom_left.x) - ((center.y - cp_top_left.y) / left_pitch)) / (middle - center.x));
- }
- }
-
- void ofApp::scaleRectangel(void) {
- cp_cursor_position.x = center.x * x_scale - x_offset;
- cp_cursor_position.y = center.y * y_scale - y_offset;
- }
|