我们从Python开源项目中，提取了以下8个代码示例，用于说明如何使用cv2.EVENT_RBUTTONUP。
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 _mouse_ops(self, event, x, y, flags, param): if event == cv2.EVENT_LBUTTONDOWN: self._drawing = True self._pt0 = (x, y) elif event == cv2.EVENT_LBUTTONUP: self._drawing = False self._pt1 = (x, y) self._bboxes.append((self._cur_label, (self._pt0, self._pt1))) elif event == cv2.EVENT_MOUSEMOVE: self._pt1 = (x, y) elif event == cv2.EVENT_RBUTTONUP: if self._bboxes: self._bboxes.pop()
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 mouse(self, event, x, y, flags, param): """ Listen for mouse. """ if event == cv2.EVENT_MOUSEMOVE: self.currPosX, self.currPosY = x, y # print "curposX,Y", x, y elif event == cv2.EVENT_LBUTTONUP: self.click_point_x, self.click_point_y = x, y if self.curr_level == 0: self.easy_mode = True self.curr_level = 1 if self.curr_level == 2: self.reset() elif event == cv2.EVENT_RBUTTONUP: self.click_point_right_x, self.click_point_right_y = x, y if self.present_mode: self.reset() self.easy_mode = False self.curr_level = 1
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 mouse_callback(event, x, y, flags, param): global refPt, image, tiles, wall, selected_tile, l_mouse_button_down, mouse_over_tile,\ clone, offsets if event == cv2.EVENT_LBUTTONDOWN: l_mouse_button_down = True refPt = [(x, y)] if not draw_tile: if find_hovered_tile(x,y): mouse_over_tile = True offsets = (x - selected_tile.wx - selected_tile.l, y-selected_tile.wy - selected_tile.t) else: mouse_over_tile = False elif event == cv2.EVENT_LBUTTONUP: l_mouse_button_down = False if draw_tile: #Restrict to create tiles that are at least 100 sqpixel big if (abs(refPt[0][0] - x) * abs(refPt[0][1] - y) >= 100): newTile = Tile(abs(refPt[0][0] - x), abs(refPt[0][1] - y)) wall.add_tile(newTile, min(refPt[0][0], x), min(refPt[0][1], y)) wall.draw(image) tiles.append(newTile) else: print("dragging the tile") elif event == cv2.EVENT_RBUTTONUP: if find_hovered_tile(x,y): tile_popup() elif event == cv2.EVENT_MOUSEMOVE: # TODO: Implement the t r b resize too if l_mouse_button_down and mouse_over_tile and x >= selected_tile.wx and x <= selected_tile.wx + 5: new_w = selected_tile.w + selected_tile.wx + selected_tile.l - x # TODO: Fix when the bezel is resized to the left print( "selected_tile.w = {} selected_tile.wx = {} x = {} new_w = {}".format(selected_tile.w, selected_tile.wx, x, new_w)) if new_w >= MINIMUM_RESIZE_WIDTH: selected_tile.w = new_w selected_tile.wx = x - selected_tile.l image = clone.copy() wall.draw(image) print("RESIZING") elif l_mouse_button_down and mouse_over_tile and not draw_tile: selected_tile.wx = x - offsets[0] selected_tile.wy = y - offsets[1] image = clone.copy() wall.draw(image) #TODO: Implement an else that will start drawing the tile while in the draw mode
