我们从Python开源项目中，提取了以下12个代码示例，用于说明如何使用cv2.EVENT_RBUTTONDOWN。
def get_points(event,x,y,flags,param): global lpnts,rpnts if event == cv2.EVENT_LBUTTONDOWN: lpnts = np.append(lpnts, np.array([[x, y]]), axis=0) cv2.polylines(img, [lpnts], False, (0, 0, 255)) if event == cv2.EVENT_RBUTTONDOWN: rpnts = np.append(rpnts, np.array([[x, y]]), axis=0) cv2.polylines(img, [rpnts], False, (255, 0, 0)) if rpnts.size>2: check(lpnts, rpnts[-1], rpnts[-2]) #check if the new point crosses a line
def draw_circle(event,x,y,flags,param): global drawing,drawing1 if event == cv2.EVENT_LBUTTONDOWN: drawing = True if event == cv2.EVENT_RBUTTONDOWN: drawing1 = True if event == cv2.EVENT_MOUSEMOVE: if drawing == True: cv2.circle(img,(x,y),5,(0,0,255),-1) if drawing1 == True: cv2.circle(img,(x,y),5,(0,255,0),-1) if event == cv2.EVENT_LBUTTONUP: drawing = False if event == cv2.EVENT_RBUTTONUP: drawing1 = False #print (drawing)
def annotate_mouse_callback(event, x, y, flags, annotator): winName = annotator.winName # If adding a bounding box: if annotator.editing: # Set top left corner of rectangle: if event == cv2.EVENT_LBUTTONDOWN: annotator.rect_tl = (x, y) # Set bottom right corner of rectangle: elif event == cv2.EVENT_RBUTTONDOWN: annotator.rect_br = (x, y) # If deleting a bounding box: elif annotator.deleting: if event == cv2.EVENT_LBUTTONDOWN: print 'Delete at {}'.format((x, y)) annotator.delete_rectangles_at_point((x, y)) annotator.deleting = False annotator.update_display()
def imageMouseCallback(self, event, x, y, flags, param): if event == cv2.EVENT_LBUTTONDOWN: x, y = self.calibrator.findImageStar(x, y) correspondence = self.findCorrespondence(x, y) if correspondence is None: if self.calibrator.setCorrespondencePos(self.selected_star, (x, y)): self.selected_star = self.calibrator.findEmptyPos() else: self.selected_star = self.calibrator.addCorrespondence((x, y), None) else: self.selected_star = correspondence self.render() elif event == cv2.EVENT_RBUTTONDOWN: self.deleteSelectedStar()
def skyMouseCallback(self, event, x, y, flags, param): if event == cv2.EVENT_LBUTTONDOWN: res = self.renderer.findStar(x, y, self.circle_radius) if res is None: return altaz = (res[0], res[1]) correspondence = self.calibrator.findAltAzCorrespondence(altaz) if correspondence is None: if self.calibrator.setCorrespondenceAltaz(self.selected_star, altaz): self.selected_star = self.calibrator.findEmptyAltAz() else: self.selected_star = self.calibrator.addCorrespondence(None, altaz) else: self.selected_star = correspondence self.render() elif event == cv2.EVENT_RBUTTONDOWN: self.deleteSelectedStar()
def video_click(self,e, x, y, flags, param): if e == cv2.EVENT_LBUTTONDOWN: self.video_stat.is_drug = 1 self.video_stat.p0 = (x, y) print("rect start", x, y) elif e == cv2.EVENT_LBUTTONUP: self.video_stat.is_drug = 0 self.video_stat.p1 = (x, y) print("rect end", x, y) self.video_stat.append_box(self.label_stat.get_label_name()) elif e== cv2.EVENT_RBUTTONDOWN: self.video_stat.remove_point_box((x,y)) self.video_stat.p=(x,y)
def init_mask(self, event, x, y, flags, param): self._thickness = 3 # The thickness in drawing; self._WHITE = [255, 255, 255] # Pure white; # Draw a point on the image; if event == cv2.EVENT_RBUTTONDOWN: if self._drawing == True: cv2.circle(self.img, (x, y), self._thickness, self._WHITE, -1) self.mask[y-self._thickness:y+self._thickness, x-self._thickness:x+self._thickness] = self._SHADOW self._shadow_seed = self.img[y-self._thickness:y+self._thickness, x-self._thickness:x+self._thickness].copy() elif event == cv2.EVENT_RBUTTONUP: if self._drawing == True: self._drawing = False self._drawn = True cv2.circle(self.img, (x, y), self._thickness, self._WHITE, -1)
def do_draw(self, event, x, y, flags, param): draw_vals = {1: 100, 2: 0} if event == cv2.EVENT_LBUTTONUP or event == cv2.EVENT_RBUTTONUP: self.drawing = 0 elif event == cv2.EVENT_LBUTTONDOWN: self.drawing = 1 elif event == cv2.EVENT_RBUTTONDOWN: self.drawing = 2 elif self.drawing != 0: cv2.circle(self.img, (x, y), 5, draw_vals[self.drawing], -1)
def click_and_crop(event, x, y, flags, param): global refPt, cropping if event == cv2.EVENT_LBUTTONDOWN: # indicates that the left mouse button is pressed refPt = [(x, y)] cropping = True elif event == cv2.EVENT_RBUTTONDOWN: # indicates that the right mouse button is pressed refPt.append((x, y)) cropping = False cv2.rectangle(image, refPt[0], refPt[1], (0, 255, 0), 2) cv2.imshow("image", image) # <=====================================================================================> # Here is the process to crop the window and get the position of the graph # after the classification of the fish boat
def Crop(img,title): def onmouse(event,x,y,flags,param): global ix,iy,roi,drawing # Draw Rectangle if event == cv2.EVENT_RBUTTONDOWN: drawing = True ix,iy = x,y elif event == cv2.EVENT_MOUSEMOVE: if drawing == True: cv2.rectangle(img,(ix,iy),(x,y),BLUE,-1) rect = (ix,iy,abs(ix-x),abs(iy-y)) elif event == cv2.EVENT_RBUTTONUP: drawing = False cv2.rectangle(img,(ix,iy),(x,y),BLUE,-1) rect = (ix,iy,x,y) roi.extend(rect) cv2.namedWindow(title,cv2.WINDOW_NORMAL) cv2.setMouseCallback(title,onmouse) print ("Right click and hold to draw a single rectangle ROI, beginning at the top left corner of the desired area. A blue box should appear. Hit esc to exit screen. Window can be resized by selecting borders.") while True: cv2.namedWindow(title,cv2.WINDOW_NORMAL) cv2.imshow(title,img) k = cv2.waitKey(1) & 0xFF if k == 27: break cv2.destroyAllWindows() print(roi) return(roi)
def test(m): class DrawingState: def __init__(self): self.x_prev = 0 self.y_prev = 0 self.drawing = False self.update = True def interactive_drawing(event, x, y, flags, param): image = param[0] state = param[1] if event == cv2.EVENT_LBUTTONDOWN: state.drawing = True state.x_prev, state.y_prev = x, y elif event == cv2.EVENT_MOUSEMOVE: if state.drawing: cv2.line(image, (state.x_prev, state.y_prev), (x, y), (1, 1, 1), 1) state.x_prev = x state.y_prev = y state.update = True elif event == cv2.EVENT_LBUTTONUP: state.drawing = False elif event == cv2.EVENT_RBUTTONDOWN: image.fill(0) state.update = True cv2.namedWindow('Canvas') image_input = np.zeros((FLAGS.input_height, FLAGS.input_width, 3), np.float32) state = DrawingState() cv2.setMouseCallback('Canvas', interactive_drawing, [image_input, state]) while cv2.getWindowProperty('Canvas', 0) >= 0: if state.update: reshaped_image_input = np.array([image_input]) image_output = m.test(reshaped_image_input) concatenated = np.concatenate((image_input, image_output[0]), axis=1) color_converted = cv2.cvtColor(concatenated, cv2.COLOR_RGB2BGR) cv2.imshow('Canvas', color_converted) state.update = False k = cv2.waitKey(1) & 0xFF if k == 27: # esc break cv2.destroyAllWindows()
