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62 lines
1.6 KiB
62 lines
1.6 KiB
5 months ago
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import os
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import sys
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import cv2
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from PyQt5.QtGui import QPixmap, QImage, qRed, qGreen, qBlue
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from PyQt5.uic import loadUiType
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from PyQt5.QtWidgets import QMainWindow, QApplication, QFileDialog, QMessageBox
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import matplotlib.pyplot as plt
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import numpy as np
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from MainWindow import Ui_Form
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def cvImgtoQtImg(cvImg): # 定义opencv图像转PyQt图像的函数
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QtImgBuf = cv2.cvtColor(cvImg, cv2.COLOR_BGR2BGRA)
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QtImg = QImage(QtImgBuf.data, QtImgBuf.shape[1], QtImgBuf.shape[0], QImage.Format_RGB32)
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return QtImg
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def QImage2CV(qimg):
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tmp = qimg
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# 使用numpy创建空的图象
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cv_image = np.zeros((tmp.height(), tmp.width(), 3), dtype=np.uint8)
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for row in range(0, tmp.height()):
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for col in range(0, tmp.width()):
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r = qRed(tmp.pixel(col, row))
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g = qGreen(tmp.pixel(col, row))
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b = qBlue(tmp.pixel(col, row))
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cv_image[row, col, 0] = r
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cv_image[row, col, 1] = g
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cv_image[row, col, 2] = b
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cv_image = cv2.cvtColor(cv_image, cv2.COLOR_RGB2BGR)
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return cv_image
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def QPixmap2cv(qtpixmap):
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qimg = qtpixmap.toImage()
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temp_shape = (qimg.height(), qimg.bytesPerLine() * 8 // qimg.depth())
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temp_shape += (4,)
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ptr = qimg.bits()
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ptr.setsize(qimg.byteCount())
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result = np.array(ptr, dtype=np.uint8).reshape(temp_shape)
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result = result[..., :3]
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result = cv2.cvtColor(result, cv2.COLOR_RGB2BGR)
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return result
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main_ui, _ = loadUiType('ui/bb.ui')
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class My_UI(QMainWindow, main_ui):
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def __init__(self):
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QMainWindow.__init__(self)
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self.setupUi(self) # 构造界面
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self.picpath = ' '
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self.openfile_name = ' '
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