Python 3.x 如何在pyqt中显示RGB图像
我有一个RBG模式下的图像,当我试图在qdockWidget上显示它时,图像显示不正确。我可以在“L”模式下打印图像。我错过了什么。提前感谢:) 代码如下:Python 3.x 如何在pyqt中显示RGB图像,python-3.x,pyqt5,python-imaging-library,qdockwidget,Python 3.x,Pyqt5,Python Imaging Library,Qdockwidget,我有一个RBG模式下的图像,当我试图在qdockWidget上显示它时,图像显示不正确。我可以在“L”模式下打印图像。我错过了什么。提前感谢:) 代码如下: from PyQt5 import QtWidgets, QtGui from PyQt5.QtWidgets import (QApplication, QMainWindow) from PyQt5.QtCore import Qt from reportlab.graphics.shapes import * from PIL i
from PyQt5 import QtWidgets, QtGui
from PyQt5.QtWidgets import (QApplication, QMainWindow)
from PyQt5.QtCore import Qt
from reportlab.graphics.shapes import *
from PIL import ImageQt
from PIL import Image, ImageDraw
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.resize(800, 600)
dockWidget = QtWidgets.QDockWidget()
dockWidget.setWindowTitle("Image Viewer")
w, h = 220, 190
shape = [(40, 40), (w - 10, h - 10)]
# creating new Image object
img = Image.new("RGB", (w, h))
# create rectangleimage
img1 = ImageDraw.Draw(img)
img1.rectangle(shape, fill="#800080", outline="green")
img.show()
QtImage1 = ImageQt.ImageQt(img)
QtImage2 = QtGui.QImage(QtImage1)
pixmap = QtGui.QPixmap.fromImage(QtImage2)
label = QtWidgets.QLabel('testing', self)
label.setPixmap(pixmap)
dockWidget.setWidget(label)
dockWidget.setFloating(False)
self.addDockWidget(Qt.RightDockWidgetArea, dockWidget)
if __name__ == '__main__':
app = QApplication(sys.argv)
myWidget = MainWindow()
myWidget.show()
sys.exit(app.exec_())
问题是“img”和“QtImage1”、“QtImage2”和“pixmap”共享导致错误的相同缓冲区,解决方案是复制图像:
qimage = ImageQt.ImageQt(img).copy()
pixmap = QtGui.QPixmap.fromImage(qimage)
label = QtWidgets.QLabel()
label.setPixmap(pixmap)
qimage=ImageQt.ImageQt(img).copy()
pixmap=QtGui.QPixmap.fromImage(qimage)
label=qtwidts.QLabel()
label.setPixmap(pixmap)