#!/usr/bin/env python
# -*- coding=utf-8 -*-
# coding=utf-8
import sys
reload(sys)
sys.setdefaultencoding('utf8')
import os
import numpy as np
import cv2
import time
from log import *
from skimage import measure, color


def get_image_box(img,lower_color,upper_color,median=3):
    img_hsv = cv2.inRange(cv2.cvtColor(img,cv2.COLOR_BGR2HSV), lower_color, upper_color)
    # img_hsv=cv2.medianBlur(img_hsv, median)
    # kernel = cv2.getStructuringElement(cv2.MORPH_RECT, (median, median))
    # img_hsv = cv2.dilate(img_hsv, kernel)
    # img_hsv = cv2.erode(img_hsv, kernel)

    min_length=15
    edgeThresh =70
    #img2 = cv2.Canny(img_hsv,edgeThresh,edgeThresh*3,apertureSize =3)
    # if lower_color[2]==0:
    #     cv2.imwrite(r"e:\b2\canny.jpg",img2)
    
    binary , contours, hierarchy= cv2.findContours(img_hsv,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
    max_rect=None
    cv2.drawContours(img,contours,-1,(0,0,255),1) 
    
    return max_rect
    
def is_in_rect(rect_small,rect_large):
    return rect_small[0]>rect_large[0] and rect_small[0]+rect_small[2]<rect_large[0]+rect_large[2] and rect_small[1]>rect_large[1] and rect_small[1]+rect_small[3]<rect_large[1]+rect_large[3]

def get_scale_rect(img,deep_height=300):
    height=img.shape[0]
    width=img.shape[1]
    print("width:",width,", height:",height)
    #color
    color_tuples=[
        #white
        (np.array([0, 0, 221]) ,np.array([180,  30, 255]),5)
        #yellow
        #(np.array([26, 43, 46]) ,np.array([34,  255, 255]),5)
    ]
    bbox=None
    for color_tuple in color_tuples:
        bbox=get_image_box(img,color_tuple[0],color_tuple[1],color_tuple[2])

    return bbox
def get_scale(img):
    scale=get_scale_rect(img)
    return 0 if scale is None else scale[2]-scale[0]

def test(index):

    jpg_file=unicode(r"E:\浙江需求\images\\"+str(index)+".JPG")


    imgcolor=cv2.imdecode(np.fromfile(jpg_file, dtype=np.uint8),1)
    imgcolor=cv2.GaussianBlur(imgcolor,(5,5),0)
    maxrect=get_scale_rect(imgcolor)
    height=imgcolor.shape[0]
    width=imgcolor.shape[1]
    # if maxrect:
    #     cv2.line(imgcolor, (maxrect[0], maxrect[3]+maxrect[4]), (maxrect[2], maxrect[3]+maxrect[4]), (255, 0, 0), 5)
    cv2.namedWindow("enhanced",0)
    cv2.resizeWindow("enhanced",width/2,height/2)
    cv2.imshow("enhanced",imgcolor)
    cv2.waitKey(0)

if __name__ == '__main__':
    nums=[1,2,3,4]
    for i in nums:
        test(i)
    sys.exit()
    start = time.time()
    log_info("dirameter start...")
    if len(sys.argv)<2:
        log_error("missing parameter")
        sys.exit()
    jpg_file=sys.argv[1].decode('gbk');
    img=cv2.imdecode(np.fromfile(jpg_file, dtype=np.uint8), 1)
    log_info("jpg_file:"+jpg_file)
    length=get_scale(img)
    log_result(length)
    log_info("{0} scale length finished, result:{1} consume:{2}".format(jpg_file,length,str(time.time()-start)))