556 lines
23 KiB
Python
556 lines
23 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import sys
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from demo import *
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from PyQt5.QtGui import QPen, QImage, QCursor
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from PyQt5.QtWidgets import QWidget, QApplication, QFileDialog, \
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QMainWindow
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from PyQt5.Qt import QPixmap, QPoint, Qt, QPainter
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from libs.canvas import Canvas
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from libs.tools import line_intersection, str_tuple, norm
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def read(filename, default=None):
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try:
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with open(filename, 'rb') as f:
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return f.read()
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except:
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return default
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class ImageBox(QWidget):
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def __init__(self):
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super(ImageBox, self).__init__()
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self.img = None
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self.scaled_img = None
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self.start_pos = QPoint(0, 0)
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self.end_pos = QPoint(0, 0)
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self.left_click = False
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self.wheel_flag = False
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self.scale = 1
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self.old_scale = 1
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self.point = QPoint(0, 0)
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self.x = -1
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self.y = -1
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self.new_height = -1
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self.new_width = -1
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def init_ui(self):
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self.setWindowTitle("ImageBox")
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def set_image(self, img_path):
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self.img = QPixmap(img_path)
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print(type(img_path))
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global path_img
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path_img = img_path
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width, height = self.img.width(), self.img.height()
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if height / width > 1000 / 1800:
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new_height = 1000
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new_width = width * 1000 / height
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else:
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new_height = height * 1800 / width
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new_width = 1800
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self.point = QPoint(int((1800 - new_width) * 0.5), int((1000 - new_height) * 0.5))
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self.img = self.img.scaled(new_width, new_height, Qt.KeepAspectRatio)
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self.scaled_img = self.img
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self.new_height = new_height
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self.new_width = new_width
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self.scale = 1
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# def set_image(self, img_path):
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# self.img = QPixmap(img_path)
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# print(type(img_path))
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# global path_img
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# path_img = img_path
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# width, height = self.img.width(), self.img.height()
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# if height / width > 990 / 660:
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# new_height = 990
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# new_width = width * 990 / height
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# else:
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# new_height = height * 660 / width
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# new_width = 660
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# self.point = QPoint(int((660 - new_width) * 0.5), int((990 - new_height) * 0.5))
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# self.img = self.img.scaled(new_width, new_height, Qt.KeepAspectRatio)
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# self.scaled_img = self.img
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#
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# self.new_height = new_height
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# self.new_width = new_width
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# self.scale = 1
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def paintEvent(self, e):
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if self.scaled_img:
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painter = QPainter(self)
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painter.begin(self)
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# 设置画笔的颜色, 字体大小, 线的实心样式
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pen = QPen(Qt.red, 3)
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painter.setPen(pen)
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painter.scale(self.scale, self.scale)
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if self.wheel_flag: # 定点缩放
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self.wheel_flag = False
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# 判断当前鼠标pos在不在图上
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this_left_x = self.point.x() * self.old_scale
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this_left_y = self.point.y() * self.old_scale
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this_scale_width = self.new_width * self.old_scale
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this_scale_height = self.new_height * self.old_scale
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# 鼠标点在图上，以鼠标点为中心动作
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gap_x = self.x - this_left_x
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gap_y = self.y - this_left_y
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if 0 < gap_x < this_scale_width and 0 < gap_y < this_scale_height:
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new_left_x = int(self.x / self.scale - gap_x / self.old_scale)
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new_left_y = int(self.y / self.scale - gap_y / self.old_scale)
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self.point = QPoint(new_left_x, new_left_y)
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# 鼠标点不在图上，固定左上角进行缩放
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else:
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true_left_x = int(self.point.x() * self.old_scale / self.scale)
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true_left_y = int(self.point.y() * self.old_scale / self.scale)
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self.point = QPoint(true_left_x, true_left_y)
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painter2 = QPainter(self.scaled_img)
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painter2.drawLine(self.start_pos, self.end_pos)
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# self.start_pos = self.end_pos
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# painter.drawPoint(self.start_pos)
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# painter2 = QPainter(self)
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painter.drawPixmap(0, 0, self.scaled_img) # 此函数中还会用scale对point进行处理
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painter.end()
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def wheelEvent(self, event):
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angle = event.angleDelta() / 8 # 返回QPoint对象，为滚轮转过的数值，单位为1/8度
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angleY = angle.y()
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self.old_scale = self.scale
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self.x, self.y = event.x(), event.y()
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self.wheel_flag = True
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# 获取当前鼠标相对于view的位置
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if angleY > 0:
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self.scale *= 1.08
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else: # 滚轮下滚
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self.scale *= 0.92
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if self.scale < 0.3:
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self.scale = 0.3
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self.adjustSize()
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self.update()
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def mouseMoveEvent(self, e):
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if self.left_click:
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self.end_pos = e.pos()
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self.update()
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# if self.left_click:
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# self.end_pos = e.pos() - self.start_pos # 当前位置-起始位置=差值
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# self.point = self.point + self.end_pos / self.scale # 左上角的距离变化
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# self.start_pos = e.pos()
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# self.repaint()
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def mousePressEvent(self, e):
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if e.button() == Qt.LeftButton:
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self.left_click = True
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self.start_pos = e.pos()
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def mouseReleaseEvent(self, e):
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if e.button() == Qt.LeftButton:
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self.left_click = False
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self.end_pos = e.pos()
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self.update()
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class MyWindow(Ui_MainWindow, QMainWindow):
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def __init__(self):
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super().__init__()
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self.height = None
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self.width = None
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self.length = None
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self.setupUi(self)
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self.init_ui()
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def init_ui(self):
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self.canvas = Canvas()
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self.canvas.zoomRequest.connect(self.zoomRequest)
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self.scrollArea.setWidget(self.canvas)
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self.scrollArea.setWidgetResizable(True)
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self.scrollBars = {
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Qt.Vertical: self.scrollArea.verticalScrollBar(),
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Qt.Horizontal: self.scrollArea.horizontalScrollBar()
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}
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self.adjustZoomSlider.valueChanged.connect(self.adjustZoom)
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self.canvas.scrollRequest.connect(self.scrollRequest)
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self.canvas.newShape.connect(self.newShape)
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# self.canvas.shapeMoved.connect(self.setDirty)
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# self.canvas.selectionChanged.connect(self.shapeSelectionChanged)
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self.canvas.drawingPolygon.connect(self.toggleDrawingSensitive)
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self.canvas.updateData.connect(self.updateData)
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self.itemsToShapes = {}
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self.shapesToItems = {}
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# Application state.
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self.image = QImage()
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self.original_image = QImage()
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self.open_file.clicked.connect(self.open_image)
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self.btn1.clicked.connect(self.push_btn1)
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self.btn2.clicked.connect(self.push_btn2)
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self.btn3.clicked.connect(self.push_btn3)
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self.btn4.clicked.connect(self.push_btn4)
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self.btn5.clicked.connect(self.push_btn5)
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self.btn6.clicked.connect(self.push_btn6)
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self.btn7.clicked.connect(self.push_btn7)
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self.btn8.clicked.connect(self.push_btn8)
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self.btn9.clicked.connect(self.push_btn9)
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self.btn10.clicked.connect(self.push_btn10)
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self.btn_refLen1.clicked.connect(self.ref_len)
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self.btn_refLen2.clicked.connect(self.ref_width)
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self.btn_refheight.clicked.connect(self.ref_height)
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self.btn_height.clicked.connect(self.cal_height)
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self.btn_length.clicked.connect(self.cal_length)
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self.btn_width.clicked.connect(self.cal_length)
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def open_image(self):
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try:
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filename, _ = QFileDialog.getOpenFileName(None, "Open Image File", "", "All Files(*);;*.jpg;;*.png;;*.jpeg")
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if filename:
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if isinstance(filename, (tuple, list)):
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filename = filename[0]
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self.loadFile(filename)
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except Exception as ex:
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print(ex)
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def adjustZoom(self, value):
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self.adjustZoomNumLabel.setText(str.format("{value} %", value=value))
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self.paintCanvas()
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def scrollRequest(self, delta, orientation):
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units = - delta / (8 * 15)
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bar = self.scrollBars[orientation]
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bar.setValue(bar.value() + bar.singleStep() * units)
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def newShape(self):
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"""Pop-up and give focus to the label editor.
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position MUST be in global coordinates.
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"""
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self.canvas.setEditing(True)
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def toggleDrawingSensitive(self, drawing=True):
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"""In the middle of drawing, toggling between modes should be disabled."""
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pass
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def qpoint_tupleStr(self, qpoint):
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return str((int(qpoint.x()), int(qpoint.y())))
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def zoomRequest(self, delta):
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# get the current scrollbar positions
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# calculate the percentages ~ coordinates
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h_bar = self.scrollBars[Qt.Horizontal]
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v_bar = self.scrollBars[Qt.Vertical]
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# get the current maximum, to know the difference after zooming
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h_bar_max = h_bar.maximum()
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v_bar_max = v_bar.maximum()
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# get the cursor position and canvas size
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# calculate the desired movement from 0 to 1
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# where 0 = move left
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# 1 = move right
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# up and down analogous
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cursor = QCursor()
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pos = cursor.pos()
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relative_pos = QWidget.mapFromGlobal(self, pos)
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cursor_x = relative_pos.x()
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cursor_y = relative_pos.y()
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w = self.scrollArea.width()
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h = self.scrollArea.height()
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# the scaling from 0 to 1 has some padding
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# you don't have to hit the very leftmost pixel for a maximum-left movement
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margin = 0.1
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move_x = (cursor_x - margin * w) / (w - 2 * margin * w)
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move_y = (cursor_y - margin * h) / (h - 2 * margin * h)
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# clamp the values from 0 to 1
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move_x = min(max(move_x, 0), 1)
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move_y = min(max(move_y, 0), 1)
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# get the difference in scrollbar values
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# this is how far we can move
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d_h_bar_max = h_bar.maximum() - h_bar_max
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d_v_bar_max = v_bar.maximum() - v_bar_max
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# get the new scrollbar values
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new_h_bar_value = h_bar.value() + move_x * d_h_bar_max
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new_v_bar_value = v_bar.value() + move_y * d_v_bar_max
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h_bar.setValue(new_h_bar_value)
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v_bar.setValue(new_v_bar_value)
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def resetState(self):
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self.itemsToShapes.clear()
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self.shapesToItems.clear()
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self.canvas.resetState()
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def loadFile(self, filePath=None):
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"""Load the specified file"""
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self.resetState()
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self.canvas.setEnabled(False)
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unicodeFilePath = str(filePath)
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if unicodeFilePath and os.path.exists(unicodeFilePath):
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# Load image:
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# read data first and store for saving into label file.
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imageData = read(unicodeFilePath, None)
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image = QImage.fromData(imageData)
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self.image = image
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self.original_image = image
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pixmap = QPixmap.fromImage(image)
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self.canvas.loadPixmap(pixmap)
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self.canvas.setEnabled(True)
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# self.adjustScale()
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self.paintCanvas()
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return True
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return False
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def paintCanvas(self):
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assert not self.image.isNull(), "cannot paint null image"
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self.canvas.scale = 0.01 * self.adjustZoomSlider.value()
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self.canvas.adjustSize()
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self.canvas.update()
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def updateData(self, x):
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if x == 1:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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elif x == 2:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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elif x == 3:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
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self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
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elif x == 4:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
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self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
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self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
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self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
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elif x == 5:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
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self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
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self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
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self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
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self.beg7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[0]))
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self.end7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[1]))
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elif x == 6:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
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self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
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self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
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self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
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self.beg7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[0]))
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self.end7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[1]))
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self.beg8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[0]))
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self.end8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[1]))
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elif x == 7:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
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self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
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self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
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self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
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self.beg7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[0]))
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self.end7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[1]))
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self.beg8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[0]))
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self.end8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[1]))
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self.beg5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[0]))
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self.end5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[1]))
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elif x == 8:
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self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
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self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
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self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
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self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
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self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
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self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
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self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
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self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
|
||
|
||
self.beg7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[0]))
|
||
self.end7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[1]))
|
||
|
||
self.beg8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[0]))
|
||
self.end8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[1]))
|
||
|
||
self.beg5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[0]))
|
||
self.end5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[1]))
|
||
|
||
self.beg6.setText(self.qpoint_tupleStr(self.canvas.shapes[7].points[0]))
|
||
self.end6.setText(self.qpoint_tupleStr(self.canvas.shapes[7].points[1]))
|
||
elif x == 9:
|
||
self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
|
||
self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
|
||
|
||
self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
|
||
self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
|
||
|
||
self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
|
||
self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
|
||
|
||
self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
|
||
self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
|
||
|
||
self.beg7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[0]))
|
||
self.end7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[1]))
|
||
|
||
self.beg8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[0]))
|
||
self.end8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[1]))
|
||
|
||
self.beg5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[0]))
|
||
self.end5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[1]))
|
||
|
||
self.beg9.setText(self.qpoint_tupleStr(self.canvas.shapes[8].points[0]))
|
||
self.end9.setText(self.qpoint_tupleStr(self.canvas.shapes[8].points[1]))
|
||
elif x == 10:
|
||
self.beg1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[0]))
|
||
self.end1.setText(self.qpoint_tupleStr(self.canvas.shapes[0].points[1]))
|
||
|
||
self.beg2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[0]))
|
||
self.end2.setText(self.qpoint_tupleStr(self.canvas.shapes[1].points[1]))
|
||
|
||
self.beg3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[0]))
|
||
self.end3.setText(self.qpoint_tupleStr(self.canvas.shapes[2].points[1]))
|
||
|
||
self.beg4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[0]))
|
||
self.end4.setText(self.qpoint_tupleStr(self.canvas.shapes[3].points[1]))
|
||
|
||
self.beg7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[0]))
|
||
self.end7.setText(self.qpoint_tupleStr(self.canvas.shapes[4].points[1]))
|
||
|
||
self.beg8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[0]))
|
||
self.end8.setText(self.qpoint_tupleStr(self.canvas.shapes[5].points[1]))
|
||
|
||
self.beg5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[0]))
|
||
self.end5.setText(self.qpoint_tupleStr(self.canvas.shapes[6].points[1]))
|
||
|
||
self.beg9.setText(self.qpoint_tupleStr(self.canvas.shapes[8].points[0]))
|
||
self.end9.setText(self.qpoint_tupleStr(self.canvas.shapes[8].points[1]))
|
||
|
||
self.beg10.setText(self.qpoint_tupleStr(self.canvas.shapes[9].points[0]))
|
||
self.end10.setText(self.qpoint_tupleStr(self.canvas.shapes[9].points[1]))
|
||
|
||
def push_btn1(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn2(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn3(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn4(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn5(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn6(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn7(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn8(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn9(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def push_btn10(self):
|
||
self.canvas.setEditing(False)
|
||
|
||
def ref_len(self):
|
||
self.len = eval(self.refLen1.text())
|
||
|
||
def ref_width(self):
|
||
self.wid = eval(self.refLen2.text())
|
||
|
||
def ref_height(self):
|
||
self.hei = eval(self.refHei.text())
|
||
|
||
def cal_height(self):
|
||
xVanish = line_intersection([str_tuple(self.beg1.text()), str_tuple(self.end1.text())], [str_tuple(self.beg2.text()), str_tuple(self.end2.text())])
|
||
yVanish = line_intersection([str_tuple(self.beg3.text()), str_tuple(self.end3.text())], [str_tuple(self.beg4.text()), str_tuple(self.end4.text())])
|
||
zVanish = line_intersection([str_tuple(self.beg7.text()), str_tuple(self.end7.text())], [str_tuple(self.beg8.text()), str_tuple(self.end8.text())])
|
||
|
||
vertex = line_intersection([xVanish, yVanish], [str_tuple(self.beg5.text()), str_tuple(self.beg6.text())])
|
||
bot = str_tuple(self.beg6.text())
|
||
ref = line_intersection([vertex, str_tuple(self.end5.text())], [str_tuple(self.beg6.text()), str_tuple(self.end6.text())])
|
||
top = str_tuple(self.end6.text())
|
||
|
||
ref_height = self.hei
|
||
|
||
height = (norm(top, bot)/norm(ref, bot))*(norm(zVanish, ref)/norm(zVanish, top))*ref_height
|
||
|
||
self.height.setText(str(height))
|
||
|
||
def cal_length(self):
|
||
pass
|
||
|
||
if __name__ == '__main__':
|
||
app = QApplication(sys.argv)
|
||
|
||
w = MyWindow()
|
||
|
||
w.show()
|
||
|
||
app.exec()
|
||
|