57 lines
2.1 KiB
Python
Executable File
57 lines
2.1 KiB
Python
Executable File
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import os
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import cv2
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from django.http import HttpResponse
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from apps.utils.errors import SIGN_MAKE_FAIL
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from server.settings import BASE_DIR
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import numpy as np
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from rest_framework.response import Response
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from rest_framework.exceptions import ParseError
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from apps.utils.viewsets import CustomGenericViewSet
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from apps.utils.mixins import CustomCreateModelMixin
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from apps.utils.serializers import GenSignatureSerializer
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from rest_framework.views import APIView
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from rest_framework.decorators import action
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from rest_framework.serializers import Serializer
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from django.core.cache import cache
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import json
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import requests
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class SignatureViewSet(CustomCreateModelMixin, CustomGenericViewSet):
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authentication_classes = ()
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permission_classes = ()
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create_serializer_class = GenSignatureSerializer
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def create(self, request, *args, **kwargs):
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"""
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照片生成透明签名图片
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照片生成透明签名图片
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"""
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path = (BASE_DIR + request.data['path']).replace('\\', '/')
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try:
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image = cv2.imread(path, cv2.IMREAD_UNCHANGED)
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size = image.shape
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width = size[0] # 宽度
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height = size[1] # 高度
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if size[2] != 4: # 判断
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background = np.zeros((size[0], size[1], 4))
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for yh in range(height):
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for xw in range(width):
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background[xw, yh, :3] = image[xw, yh]
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background[xw, yh, 3] = 255
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image = background
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size = image.shape
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for i in range(size[0]):
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for j in range(size[1]):
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if image[i][j][0] > 100 and image[i][j][1] > 100 and image[i][j][2] > 100:
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image[i][j][3] = 0
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else:
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image[i][j][0], image[i][j][1], image[i][j][2] = 0, 0, 0
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ext = os.path.splitext(path)
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new_path = ext[0] + '.png'
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cv2.imwrite(new_path, image)
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return Response({'path': new_path.replace(BASE_DIR, '')})
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except Exception:
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raise ParseError(**SIGN_MAKE_FAIL) |