使用cv2处理图形
import sys
import cv2
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtGui import QIcon
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import QFileDialog
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
# 给MainWindow设置图标
MainWindow.setWindowIcon(QIcon('D:\download\xj.ico')) # 路径错误找不到问题所在
# 给MainWindow设置背景图片
# palette = QPalette()
# palette.setBrush(QPalette.Background, QBrush(QPixmap('D:\\python\\RRJ\\pycharmproject\\Practice\\chep2\\bdd'
# '\\background3.jpg')))
# MainWindow.setPalette(palette)
MainWindow.resize(994, 783)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(10, 0, 961, 721))
self.label.setStyleSheet("font:28px;\n"
"border-style:solid;\n"
"border-width:1px;\n"
"border-color:rgb(0, 0, 0);\n"
"\n"
"")
self.label.setText("")
self.label.setObjectName("label")
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QtCore.QRect(50, 150, 121, 41))
self.pushButton_2.setStyleSheet("font:22px;")
self.pushButton_2.setObjectName("pushButton_2")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(340, 30, 321, 81))
self.label_2.setStyleSheet("font: 75 26pt \"Segoe Print\";\n"
"color:rgb(255, 85, 0);\n"
"text-align:center;\n"
"letter-spacing:4pt;")
self.label_2.setObjectName("label_2")
self.line = QtWidgets.QFrame(self.centralwidget)
self.line.setGeometry(QtCore.QRect(10, 120, 961, 20))
self.line.setFrameShape(QtWidgets.QFrame.HLine)
self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line.setObjectName("line")
self.line_2 = QtWidgets.QFrame(self.centralwidget)
self.line_2.setGeometry(QtCore.QRect(10, 200, 961, 16))
self.line_2.setFrameShape(QtWidgets.QFrame.HLine)
self.line_2.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line_2.setObjectName("line_2")
self.lineEdit_3 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_3.setGeometry(QtCore.QRect(170, 150, 321, 41))
self.lineEdit_3.setObjectName("lineEdit_3")
self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_3.setGeometry(QtCore.QRect(530, 150, 151, 41))
self.pushButton_3.setStyleSheet("font: 22px;")
self.pushButton_3.setObjectName("pushButton_3")
self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_4.setGeometry(QtCore.QRect(730, 150, 151, 41))
self.pushButton_4.setStyleSheet("font:22px;")
self.pushButton_4.setObjectName("pushButton_4")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setGeometry(QtCore.QRect(50, 270, 411, 421))
self.label_3.setStyleSheet("font:28px;\n"
"border-style:solid;\n"
"border-width:1px;\n"
"border-color:rgb(45, 45, 45);\n"
"\n"
"")
self.label_3.setText("")
self.label_3.setObjectName("label_3")
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setGeometry(QtCore.QRect(540, 270, 401, 421))
self.label_4.setStyleSheet("font:28px;\n"
"border-style:solid;\n"
"border-width:1px;\n"
"border-color:rgb(45, 45, 45);\n"
"\n"
"")
self.label_4.setText("")
self.label_4.setObjectName("label_4")
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setGeometry(QtCore.QRect(220, 230, 91, 31))
self.label_5.setStyleSheet("font: 14pt \"Arial\";")
self.label_5.setObjectName("label_5")
self.label_6 = QtWidgets.QLabel(self.centralwidget)
self.label_6.setGeometry(QtCore.QRect(710, 230, 72, 31))
self.label_6.setStyleSheet("font: 14pt \"Arial\";")
self.label_6.setObjectName("label_6")
self.label.raise_()
self.pushButton_2.raise_()
self.line.raise_()
self.line_2.raise_()
self.label_2.raise_()
self.lineEdit_3.raise_()
self.pushButton_3.raise_()
self.pushButton_4.raise_()
self.label_3.raise_()
self.label_4.raise_()
self.label_5.raise_()
self.label_6.raise_()
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 994, 26))
self.menubar.setObjectName("menubar")
self.menutest2 = QtWidgets.QMenu(self.menubar)
self.menutest2.setObjectName("menutest2")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.actiondemo1 = QtWidgets.QAction(MainWindow)
self.actiondemo1.setObjectName("actiondemo1")
self.actiondemo2 = QtWidgets.QAction(MainWindow)
self.actiondemo2.setObjectName("actiondemo2")
self.menutest2.addAction(self.actiondemo1)
self.menutest2.addAction(self.actiondemo2)
self.menubar.addAction(self.menutest2.menuAction())
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
# 按钮关联函数
self.pushButton_2.clicked.connect(self.openImage)
self.pushButton_3.clicked.connect(self.startAction)
self.pushButton_4.clicked.connect(self.saveImage)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "素描图像"))
self.pushButton_2.setText(_translate("MainWindow", "选择图片"))
self.label_2.setText(_translate("MainWindow", "素描图像生成器"))
self.pushButton_3.setText(_translate("MainWindow", "开始"))
self.pushButton_4.setText(_translate("MainWindow", "保存"))
self.label_5.setText(_translate("MainWindow", "原图像"))
self.label_6.setText(_translate("MainWindow", "素描图"))
self.menutest2.setTitle(_translate("MainWindow", "test2"))
self.actiondemo1.setText(_translate("MainWindow", "demo1"))
self.actiondemo2.setText(_translate("MainWindow", "demo2"))
# 选择本地图片上传
def openImage(self):
global imgNamepath # 这里为了方便别的地方引用图片路径,将其设置为全局变量
# 弹出一个文件选择框,第一个返回值imgName记录选中的文件路径+文件名,第二个返回值imgType记录文件的类型
# QFileDialog就是系统对话框的那个类第一个参数是上下文,第二个参数是弹框的名字,第三个参数是默认打开的路径,第四个参数是需要的格式
imgNamepath, imgType = QFileDialog.getOpenFileName(self.centralwidget, "选择图片",
"D:/",
"*.jpg;;*.png;;All Files(*)")
# 通过文件路径获取图片文件,并设置图片长宽为label控件的长、宽
img = QtGui.QPixmap(imgNamepath).scaled(self.label_3.width(), self.label_3.height())
# 在label控件上显示选择的图片
self.label_3.setPixmap(img)
# 显示所选图片的路径
self.lineEdit_3.setText(imgNamepath)
# 保存图片到本地(第二种方式:首先提取相对应Qlabel中的图片,然后打开一个保存文件的弹出框,最后保存图片到选中的路径)
def saveImage(self):
# 提取Qlabel中的图片
img = self.label_4.pixmap().toImage()
fpath, ftype = QFileDialog.getSaveFileName(self.centralwidget, "保存图片", "d:\\", "*.jpg;;*.png;;All Files(*)")
img.save(fpath)
# 生成素描图
def startAction(self):
img = cv2.imread(imgNamepath)
img = cv2.resize(img, dsize=(768, 1080))
# 图像转灰度图像
gray_image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# 灰度图像到反转灰度图像
inverted_gray_image = 255 - gray_image
# 模糊倒置灰度图像
blurred_inverted_gray_image = cv2.GaussianBlur(inverted_gray_image, (19, 19), 0)
# 反转模糊图像
inverted_blurred_image = 255 - blurred_inverted_gray_image
# 准备照片素描
sketck = cv2.divide(gray_image, inverted_blurred_image, scale=256.0)
path = "D:\\"
# 因为不知道怎么将转换为类型,因此采用暂存再读出的方式
cv2.imwrite(path + 'ZC.jpg', sketck)
# pyqt5从路径读取图片
imgShow = QPixmap(path + 'ZC.jpg')
self.label_4.setScaledContents(True)
self.label_4.setPixmap(imgShow)
if name == "main":
app = QtWidgets.QApplication(sys.argv) # 创建一个QApplication,也就是你要开发的软件app
MainWindow = QtWidgets.QMainWindow() # 创建一个QMainWindow,用来装载你需要的各种组件、控件
ui = Ui_MainWindow() # ui是Ui_MainWindow()类的实例化对象
ui.setupUi(MainWindow) # 执行类中的setupUi方法,方法的参数是第二步中创建的QMainWindow
MainWindow.show() # 执行QMainWindow的show()方法,显示这个QMainWindow
sys.exit(app.exec_())
在 'init.py' 中找不到引用 'resize'
在 'init.py' 中找不到引用 'cvtColor'
是因为CV2库不匹配的原因吗
可以将图片素描化
已解决
下次不要在搞这么长的代码了 很费劲
问题一:图标直接用png 比如这样的你可以下载直接使用
问题二:不能素描是因为你的图片路径有中文只要不是中文就OK 其次保存路径改成 将/ 改成\
完整代码
我没有D盘 所以把你里面的改成F盘了
完整代码如下:
import sys
import cv2
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtGui import QIcon
from PyQt5.QtGui import QPixmap
from PyQt5.QtWidgets import QFileDialog
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.setWindowIcon(QIcon('F:\PythonDemo\player.png')) # 路径错误找不到问题所在
# 给MainWindow设置背景图片
# palette = QPalette()
# palette.setBrush(QPalette.Background, QBrush(QPixmap('F:\\python\\RRJ\\pycharmproject\\Practice\\chep2\\bdd'
# '\\background3.jpg')))
# MainWindow.setPalette(palette)
MainWindow.resize(994, 783)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.label = QtWidgets.QLabel(self.centralwidget)
self.label.setGeometry(QtCore.QRect(10, 0, 961, 721))
self.label.setStyleSheet("font:28px;\n"
"border-style:solid;\n"
"border-width:1px;\n"
"border-color:rgb(0, 0, 0);\n"
"\n"
"")
self.label.setText("")
self.label.setObjectName("label")
self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_2.setGeometry(QtCore.QRect(50, 150, 121, 41))
self.pushButton_2.setStyleSheet("font:22px;")
self.pushButton_2.setObjectName("pushButton_2")
self.label_2 = QtWidgets.QLabel(self.centralwidget)
self.label_2.setGeometry(QtCore.QRect(340, 30, 321, 81))
self.label_2.setStyleSheet("font: 75 26pt \"Segoe Print\";\n"
"color:rgb(255, 85, 0);\n"
"text-align:center;\n"
"letter-spacing:4pt;")
self.label_2.setObjectName("label_2")
self.line = QtWidgets.QFrame(self.centralwidget)
self.line.setGeometry(QtCore.QRect(10, 120, 961, 20))
self.line.setFrameShape(QtWidgets.QFrame.HLine)
self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line.setObjectName("line")
self.line_2 = QtWidgets.QFrame(self.centralwidget)
self.line_2.setGeometry(QtCore.QRect(10, 200, 961, 16))
self.line_2.setFrameShape(QtWidgets.QFrame.HLine)
self.line_2.setFrameShadow(QtWidgets.QFrame.Sunken)
self.line_2.setObjectName("line_2")
self.lineEdit_3 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_3.setGeometry(QtCore.QRect(170, 150, 321, 41))
self.lineEdit_3.setObjectName("lineEdit_3")
self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_3.setGeometry(QtCore.QRect(530, 150, 151, 41))
self.pushButton_3.setStyleSheet("font: 22px;")
self.pushButton_3.setObjectName("pushButton_3")
self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_4.setGeometry(QtCore.QRect(730, 150, 151, 41))
self.pushButton_4.setStyleSheet("font:22px;")
self.pushButton_4.setObjectName("pushButton_4")
self.label_3 = QtWidgets.QLabel(self.centralwidget)
self.label_3.setGeometry(QtCore.QRect(50, 270, 411, 421))
self.label_3.setStyleSheet("font:28px;\n"
"border-style:solid;\n"
"border-width:1px;\n"
"border-color:rgb(45, 45, 45);\n"
"\n"
"")
self.label_3.setText("")
self.label_3.setObjectName("label_3")
self.label_4 = QtWidgets.QLabel(self.centralwidget)
self.label_4.setGeometry(QtCore.QRect(540, 270, 401, 421))
self.label_4.setStyleSheet("font:28px;\n"
"border-style:solid;\n"
"border-width:1px;\n"
"border-color:rgb(45, 45, 45);\n"
"\n"
"")
self.label_4.setText("")
self.label_4.setObjectName("label_4")
self.label_5 = QtWidgets.QLabel(self.centralwidget)
self.label_5.setGeometry(QtCore.QRect(220, 230, 91, 31))
self.label_5.setStyleSheet("font: 14pt \"Arial\";")
self.label_5.setObjectName("label_5")
self.label_6 = QtWidgets.QLabel(self.centralwidget)
self.label_6.setGeometry(QtCore.QRect(710, 230, 72, 31))
self.label_6.setStyleSheet("font: 14pt \"Arial\";")
self.label_6.setObjectName("label_6")
self.label.raise_()
self.pushButton_2.raise_()
self.line.raise_()
self.line_2.raise_()
self.label_2.raise_()
self.lineEdit_3.raise_()
self.pushButton_3.raise_()
self.pushButton_4.raise_()
self.label_3.raise_()
self.label_4.raise_()
self.label_5.raise_()
self.label_6.raise_()
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 994, 26))
self.menubar.setObjectName("menubar")
self.menutest2 = QtWidgets.QMenu(self.menubar)
self.menutest2.setObjectName("menutest2")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.actiondemo1 = QtWidgets.QAction(MainWindow)
self.actiondemo1.setObjectName("actiondemo1")
self.actiondemo2 = QtWidgets.QAction(MainWindow)
self.actiondemo2.setObjectName("actiondemo2")
self.menutest2.addAction(self.actiondemo1)
self.menutest2.addAction(self.actiondemo2)
self.menubar.addAction(self.menutest2.menuAction())
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
# 按钮关联函数
self.pushButton_2.clicked.connect(self.openImage)
self.pushButton_3.clicked.connect(self.startAction)
self.pushButton_4.clicked.connect(self.saveImage)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "素描图像"))
self.pushButton_2.setText(_translate("MainWindow", "选择图片"))
self.label_2.setText(_translate("MainWindow", "素描图像生成器"))
self.pushButton_3.setText(_translate("MainWindow", "开始"))
self.pushButton_4.setText(_translate("MainWindow", "保存"))
self.label_5.setText(_translate("MainWindow", "原图像"))
self.label_6.setText(_translate("MainWindow", "素描图"))
self.menutest2.setTitle(_translate("MainWindow", "test2"))
self.actiondemo1.setText(_translate("MainWindow", "demo1"))
self.actiondemo2.setText(_translate("MainWindow", "demo2"))
# 选择本地图片上传
def openImage(self):
global imgNamepath # 这里为了方便别的地方引用图片路径,将其设置为全局变量
# 弹出一个文件选择框,第一个返回值imgName记录选中的文件路径+文件名,第二个返回值imgType记录文件的类型
# QFileDialog就是系统对话框的那个类第一个参数是上下文,第二个参数是弹框的名字,第三个参数是默认打开的路径,第四个参数是需要的格式
imgNamepath, imgType = QFileDialog.getOpenFileName(self.centralwidget, "选择图片",
"F:\\",
"*.jpg;;*.png;;All Files(*)")
# 通过文件路径获取图片文件,并设置图片长宽为label控件的长、宽
img = QtGui.QPixmap(imgNamepath).scaled(self.label_3.width(), self.label_3.height())
# 在label控件上显示选择的图片
self.label_3.setPixmap(img)
# 显示所选图片的路径
self.lineEdit_3.setText(imgNamepath)
# 保存图片到本地(第二种方式:首先提取相对应Qlabel中的图片,然后打开一个保存文件的弹出框,最后保存图片到选中的路径)
def saveImage(self):
# 提取Qlabel中的图片
img = self.label_4.pixmap().toImage()
fpath, ftype = QFileDialog.getSaveFileName(self.centralwidget, "保存图片", "F:\\", "*.jpg;;*.png;;All Files(*)")
img.save(fpath)
# 生成素描图
def startAction(self):
img = cv2.imread(imgNamepath)
img = cv2.resize(img, dsize=(768, 1080))
# 图像转灰度图像
gray_image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# 灰度图像到反转灰度图像
inverted_gray_image = 255 - gray_image
# 模糊倒置灰度图像
blurred_inverted_gray_image = cv2.GaussianBlur(inverted_gray_image, (19, 19), 0)
# 反转模糊图像
inverted_blurred_image = 255 - blurred_inverted_gray_image
# 准备照片素描
sketck = cv2.divide(gray_image, inverted_blurred_image, scale=256.0)
path = "F:\\"
# 因为不知道怎么将<class 'numpy.ndarray'>转换为<class 'PyQt5.QtGui.QPixmap'>类型,因此采用暂存再读出的方式
cv2.imwrite(path + 'ZC.jpg', sketck)
# pyqt5从路径读取图片
imgShow = QPixmap(path + 'ZC.jpg')
self.label_4.setScaledContents(True)
self.label_4.setPixmap(imgShow)
if __name__ == "__main__":
app = QtWidgets.QApplication(sys.argv) # 创建一个QApplication,也就是你要开发的软件app
MainWindow = QtWidgets.QMainWindow() # 创建一个QMainWindow,用来装载你需要的各种组件、控件
ui = Ui_MainWindow() # ui是Ui_MainWindow()类的实例化对象
ui.setupUi(MainWindow) # 执行类中的setupUi方法,方法的参数是第二步中创建的QMainWindow
MainWindow.show() # 执行QMainWindow的show()方法,显示这个QMainWindow
sys.exit(app.exec_())