#?-*-?coding:?utf-8?-*-
“““
Created?on?Sat?Jun?23?15:16:16?2018
@author:?Zengxy_GUET
“““

import?cv2
import?numpy?as?np
global?img
global?point1?point2

lsPointsChoose=[]
tpPointsChoose=[]

pointsCount=0
count=0?
pointsMax=5

#-----------------------鼠標(biāo)操作相關(guān)------------------------------------------
#------------------------------------------------------------------------------
lsPointsChoose=[]
tpPointsChoose=[]

pointsCount=0
count=0
pointsMax=5

def?on_mouse（event?x?y?flags?param）:
????global?img?point1?point2countpointsMax
????global?lsPointsChoosetpPointsChoose??#存入選擇的點(diǎn)
????global?pointsCount???#對(duì)鼠標(biāo)按下的點(diǎn)計(jì)數(shù)
????global?img2ROI_bymouse_flag
????img2?=?img.copy（）???#此行代碼保證每次都重新再原圖畫??避免畫多了
#-----------------------------------------------------------

#????count=count+1
#????print（“callback_count“count）
#--------------------------------------------------------------

????if?event?==?cv2.EVENT_LBUTTONDOWN:?????????#左鍵點(diǎn)擊

????????pointsCount=pointsCount+1
????#???????為了保存繪制的區(qū)域，畫的點(diǎn)稍晚清零
????????if（pointsCount==pointsMax+1）:
????????????pointsCount=0
????????????tpPointsChoose=[]
????????print（‘pointsCount:‘pointsCount）
????????point1?=?（xy）
????????print?（xy）
#????????畫出點(diǎn)擊的點(diǎn)
????????cv2.circle（img2?point1?10?（02550）?5）

#???????將選取的點(diǎn)保存到list列表里
????????lsPointsChoose.append（[xy]）??#用于轉(zhuǎn)化為darry?提取多邊形ROI
????????tpPointsChoose.append（（xy））??#用于畫點(diǎn)
????????????#----------------------------------------------------------------------
????#將鼠標(biāo)選的點(diǎn)用直線鏈接起來
????????print（len（tpPointsChoose））
????????for?i?in?range（len（tpPointsChoose）-1）:
????????????print（‘i‘i）
????????????cv2.line（img2tpPointsChoose[i]tpPointsChoose[i+1]（00255）5）
#----------------------------------------------------------------------
#----------點(diǎn)擊到pointMax時(shí)可以提取去繪圖----------------
????????if（pointsCount==pointsMax）:
#-----------繪制感興趣區(qū)域-----------
#----------------------------------
????????????ROI_byMouse（）
????????????ROI_bymouse_flag=1
????????????lsPointsChoose=[]

#--------------------------------------------------------
????????cv2.imshow（‘src‘?img2）
#-------------------------右鍵按下清除軌跡-----------------------------
????if?event?==?cv2.EVENT_RBUTTONDOWN:?????????#右鍵點(diǎn)擊
????????print（“right-mouse“）
????????pointsCount=0
????????tpPointsChoose=[]
????????lsPointsChoose=[]
????????print（len（tpPointsChoose））
????????for?i?in?range（len（tpPointsChoose）-1）:
????????????print（‘i‘i）
????????????cv2.line（img2tpPointsChoose[i]tpPointsChoose[i+1]（00255）5）
????????cv2.imshow（‘src‘?img2）
#-----------------------------------------------------------------------
#%%
#--------------------------------------------------------------
def?ROI_byMouse（）:
????global?srcROIROI_flagmask2
????mask?=?np.zeros（img.shape?np.uint8）
????pts?=?np.array（[lsPointsChoose]?np.int32）
#?pts.shape=（4，2）
????pts?=?pts.reshape（（-112））?#?-1代表剩下的維度自動(dòng)計(jì)算
#?reshape?后的?pts.shape=（4。1，2）？？
#--------------畫多邊形----

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????6220854??2018-06-24?09:42??mask0623.bmp

?????文件???????5013??2018-06-25?23:17??polylineROI-mouse-only_180625.py

?????文件???????1967??2018-06-25?22:51??rectangle-mouse-only-180625.py

?????文件????6220854??2018-06-24?09:42??ROI0623.bmp

?????文件????6220854??2018-06-23?15:38??frame_1.bmp

-----------?---------??----------?-----??----

?????????????18669542????????????????????5