223 lines
7.8 KiB
Python
223 lines
7.8 KiB
Python
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# 自动作业内嵌页面子类
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from PySide6.QtCore import Slot, Qt, QTimer
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from PySide6.QtWidgets import QWidget, QMessageBox, QLabel
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from PySide6.QtGui import QImage, QPixmap
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from wndCtrl.stateCtrl.clsSysState_autoproc import CStateAutoProc
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from .uiSub_AutoPage import Ui_pageAutoProc
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from msg_dict import g_uiCtrlScript, g_uiGeometrySize, g_errMsgText
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from ..camera_img_get import Camera
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import cv2 # 确保导入OpenCV
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class CSubPageAutoProc(QWidget):
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# public:
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def __init__(self, widgetSize: tuple[int, int], parent=None):
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super().__init__(parent)
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# 挂载UI界面：将当前业务类实例传入setupUi，UI组件成为实例属性
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self.ui = Ui_pageAutoProc()
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self.ui.setupUi(self)
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# 按需声明对应的成员变量
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self.szStack = widgetSize
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# 摄像头相关变量
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self.cam0 = None # 第一个摄像头
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self.cam1 = None # 第二个摄像头
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self.timer = None # 定时器
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self.camera_label = None # 专门用于显示摄像头的Label，避免重复创建
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pass
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# 界面初始化
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def uiInit(self) -> None:
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self._editCtrlTitle()
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self._screenAdapter() # 界面自适应
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# 添加其他和界面或控件初始化相关的操作
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self._changeWndStyle() # 设置成无框架边框
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self._centerWidget() # 居中显示
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# ---------------------------------------------------------------
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self._setupSignalSlotMapping()
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# 添加摄像头实时图片
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self._camera_show()
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pass
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# -----------------------------------------
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# private:
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# 初始化修改页面控件文字
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def _editCtrlTitle(self) -> None:
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# 修改tab页面文字
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self.ui.tabProc.setTabText(0, g_uiCtrlScript['PAGE_AUTOPROC_TAB_0'])
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self.ui.tabProc.setTabText(1, g_uiCtrlScript['PAGE_AUTOPROC_TAB_1'])
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# 界面自适应
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def _screenAdapter(self) -> None:
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self.resize(self.szStack[0], self.szStack[1])
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self.ui.tabProc.setGeometry(g_uiGeometrySize['WND_MARGIN_HORI'], g_uiGeometrySize['WND_MARGIN_VERT'],
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self.szStack[0] - g_uiGeometrySize['WND_MARGIN_HORI'] * 2,
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self.szStack[1] - g_uiGeometrySize['WND_MARGIN_VERT'] * 2)
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self._adjustTabCtrls() # 调整tab页内控件的位置及大小
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pass
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# 窗口居中显示
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def _centerWidget(self) -> None:
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pass
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# 修改窗体属性
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def _changeWndStyle(self) -> None:
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self.setWindowFlags(Qt.WindowType.FramelessWindowHint)
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pass
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# 调整tab页面控件
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def _adjustTabCtrls(self):
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rctTemp = self.ui.grpCamera0.geometry()
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nSize = (rctTemp.width(), rctTemp.height())
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self.ui.grpCamera0.setGeometry(g_uiGeometrySize['WND_MARGIN_HORI'], 0, nSize[0], nSize[1])
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# -------------------------------------------
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# 建立信号槽连接
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def _setupSignalSlotMapping(self) -> None:
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# self.ui.btnProcStart.clicked.connect(self._onBtnProcStart)
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self.ui.btnProcStop.clicked.connect(self._onBtnProcStop)
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self.ui.btnReset.clicked.connect(self._onBtnReset)
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pass
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# ----------槽函数----------
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# @Slot()
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# def _onBtnProcStart(self):
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# # 启动自动作业
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# if g_warnState.checkSysWarning():
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# QMessageBox.information(self, g_uiCtrlScript['MSG_TITLE_TIPS'], g_errMsgText['ERR_SYS_WARNING'])
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# else:
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#
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# tProcJob = CProcThread()
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# CStateAutoProc.setProcState(True)
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# tProcJob.runProc()
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# # 更新作业按钮的使能状态
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# self.ui.btnProcStart.setEnabled(False)
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# self.ui.btnProcStop.setEnabled(True)
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# pass
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@Slot()
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def _onBtnProcStop(self):
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# 停止自动作业
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pass
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@Slot()
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def _onBtnReset(self):
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pass
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def _camera_show(self):
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"""
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初始化摄像头并启动实时显示
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"""
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try:
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# 1. 初始化摄像头（保持打开状态）
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self.cam0 = Camera()
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if not self.cam0._open():
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print("[Error] Failed to open camera")
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QMessageBox.warning(self, "摄像头错误", "无法打开摄像头，请检查设备连接！")
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return
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# 2. 初始化显示用的Label
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self._init_camera_label()
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# 3. 创建定时器，每50毫秒更新一次图像
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self.timer = QTimer(self)
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self.timer.timeout.connect(self._update_camera_image)
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self.timer.start(10) # 50ms，约20fps
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print("[Info] Camera started successfully")
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except Exception as e:
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error_msg = f"摄像头初始化失败: {str(e)}"
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print(f"[Error] {error_msg}")
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QMessageBox.critical(self, "摄像头错误", error_msg)
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def _init_camera_label(self):
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"""
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初始化摄像头显示用的Label（只创建一次）
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"""
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# 如果Label已存在，直接返回
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if self.camera_label is not None:
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return
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# 创建Label并设置属性
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self.camera_label = QLabel(self.ui.fraCamera0)
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# 设置Label充满父容器fraCamera0
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self.camera_label.setGeometry(0, 0, self.ui.fraCamera0.width(), self.ui.fraCamera0.height())
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# 设置图像自适应缩放
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self.camera_label.setScaledContents(True)
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# 设置对齐方式
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self.camera_label.setAlignment(Qt.AlignCenter)
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# 确保Label在最上层显示
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self.camera_label.raise_()
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def _update_camera_image(self):
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"""
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定时更新摄像头图像（修复版）
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"""
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try:
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if self.cam0 is None or self.camera_label is None:
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return
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# 1. 获取摄像头图像
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img = self.cam0.get_img()
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if img is None or img.size == 0:
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print("[Warning] 获取到空图像")
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return
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# 2. OpenCV图像是BGR格式，需要转换为RGB
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# 先检查图像通道数
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if len(img.shape) == 3 and img.shape[2] == 3:
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img_rgb = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
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else:
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# 灰度图像处理
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img_rgb = img
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# 3. 转换为QImage
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h, w = img_rgb.shape[:2]
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ch = 3 if len(img_rgb.shape) == 3 else 1
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bytes_per_line = ch * w
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if ch == 3:
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q_img = QImage(img_rgb.data, w, h, bytes_per_line, QImage.Format_RGB888)
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else:
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q_img = QImage(img_rgb.data, w, h, bytes_per_line, QImage.Format_Grayscale8)
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# 4. 转换为QPixmap并显示
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pixmap = QPixmap.fromImage(q_img)
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if not pixmap.isNull():
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self.camera_label.setPixmap(pixmap)
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except Exception as e:
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print(f"[Error] 更新摄像头图像失败: {e}")
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# 不中断程序，继续尝试
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def resizeEvent(self, event):
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"""
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窗口大小变化时，同步调整摄像头显示Label的大小
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"""
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super().resizeEvent(event)
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if self.camera_label is not None and self.ui.fraCamera0 is not None:
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self.camera_label.setGeometry(0, 0, self.ui.fraCamera0.width(), self.ui.fraCamera0.height())
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def closeEvent(self, event):
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"""
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关闭窗口时释放摄像头资源（增强版）
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"""
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# 停止定时器
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if self.timer is not None and self.timer.isActive():
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self.timer.stop()
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self.timer.deleteLater()
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self.timer = None
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# 释放摄像头资源
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if self.cam0 is not None:
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self.cam0._close()
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self.cam0 = None
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if self.cam1 is not None:
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self.cam1._close()
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self.cam1 = None
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event.accept()
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