Pyqt5 qlabel image. 5 on a 32 bit Windows 7 Machine.

the problems starts to appear at the interface point to another module. Explore the world of Zhihu with its specialized columns, offering insights and discussions on various topics. Syntax : self. You can do this my making a QLabel widget and call setPixmap. setObjectName("MainWindow") PyQt5 QLabel. To avoid that, you should create a new instance of QPixmap using the existing one, and then set the new painted pixmap again. argv) ex = Example() sys. setPixmap(pixmap) lbl. SmoothTransformation) self. QLabel() pixmap = QtGui. Jun 5, 2019 · Animating custom widgets with QPropertyAnimation. We also change the border radius. (self. show() Does anyone know how I could resize the image to… May 1, 2023 · You have a function that is capable of updating the label. Passing the window object we created ( win) into it’s parameters declares that the label is part of that window. centralwidget = QtWidgets. The default setting is Qt::AutoText; i. penRectangle = QtGui. drawRect( x, y, widht, height) to draw the rectangle. QtGui import QPixmap from PyQt5. Mar 26, 2020 · In order to add border to the Label we will use label. If a svg is specified, the image is scaled to the size of the contents rectangle. 0. bytesPerLine = 3 * width. jpg') lb1 = QLabel(self) lb1. e. 2. 从文件加载图片. And that painting depends on the information that the widget has, for example QLabel uses a text and draws the text, OR uses a QPixmap and draws based on that pixmap. QPixmap. setPixmap(QPixmap("image. png') label. Displaying the loaded Image: Using QLabel: label_image = QLabel() label_image. centralwidget) self. These can be set using the constructors and changed later using setText () and setIcon (). Among other things it has one button, a ScrollArea which contains QLabel to hold pixMap. import os. AlignCenter) answered Jan 19, 2020 at 15:50. Assuming pyqt supports gif pictures, this should work. QtGui import QPalette, QLinearGradient, QColor, QBrush, QPixmap. layout6. in the app in one of the screen i am displaying an image on the QLabel. Aug 22, 2021 · How do you clear a pixmap from a label in PyQt. If the child widget exceeds the size of the frame, QScrollArea automatically provides scroll bars. logo_buttons. What you should do instead is to directly create a QPixmap that includes the border. 3 and later, the alignment of the image within the rectangle can be specified using image-position. argv) ex = Menu() sys. height, width, channel = cvImg. setStyleSheet("border-radius:20px") I got below output. It is possible to use setScaledContents to make QLabel scale the pixmap and allow for resizing. transformed(QTransform(). red) self. class Ui_MainWindow(object): def setupUi(self, MainWindow): MainWindow. setPixmap parameter from Qimage. I don't want to see the entire image enlarged, just to zoom in. FastTransformation) #now associate the pixel map to the label when you want the label to be your image. read()) image_file = Image. Here is how im trying to do it right now: import urllib, cStringIO. clan_shield_0. This accepts a pixmap, which you can create by passing an image filename to the QPixmap class. Feb 21, 2018 · Howerver, the image inside that label remained rectangular. imgLabel. Pyqt5 QLabel with image at top and text at bottom. image. png" onto "arrierplan. "Otje" the cat. In the example above, we use the default font in label widget, and you could specify the preferred font like size, weight and font family of the label text. width(), pixmap. setStyleSheet (“border: 1px solid black;”) Argument : It takes string as a argument. May 10, 2012 · QLabel doesn't have a setIcon method, but it has setPixmap. While this can be done using QLabel. setGeometry(0,0,500,210) I am attempting to create a dice rolling simulator using PyQt5 with Python 3. I tried all the possible QImage format options from the QImage documentation, nothing seems to be working. QIcon("icon. Below an image from my implementation: Result: Take a look at the position of pointer and the circle. QtWidgets import * # You can plug in a path to an image of your choosing. QT Designer image Then I want to draw a red cross on that image. that worked but it made all four corners of the image to be circular. icon = QtGui. ) I have no idea what function to call to remove the image. Jun 18, 2012 · 3. Here is a revised and cleaned up version of your class: class RoundLabelImage(qtw. I posted are quite self explanatory. show() sys. I need image coordinates/pixel coordinates but, I use mouseclickevent its show me only Qlabel coordinates. move(0, 160) lbl. py again with the help of pyuic5: pyuic5 mainwindow. It is a common problem to display a QImage in a widget. setPixmap(QPixmap. import sys. QLabel(self. edited Aug 9, 2018 at 18:14. When running the program, I can draw the cross at the desired position. Here is the image, code and . QtWidgets import QLabel self. Below is a part of the code import sys from PyQt5. Note that the "border: 1px" specifier must be removed from the style sheet otherwise it will be used in preference to the specified line width. setPixmap(pixmap) Jun 23, 2014 · The code is fairly simple: label = QLabel() label. 2. You need to convert your QImage to QPixmap before doing this (you can use QPixmap. painterInstance = QtGui. This can be done for PNG images (see code bellow). photo. _width = width. setPixmap(QPixmap(self. pix = QPixmap('sexy. QtWidgets import ( QApplication, QDialog, QGridLayout, QGroupBox, QPushButton Jan 28, 2020 · I have tried using QLabel. from PyQt5 import QtCore, QtGui, QtWidgets. PyQt5 QLabel Set Font. pixmap. I'm new on Pyqt and I'm trying to create an UI that print a circle (using QPainter) on an image (QLabel) when we give the pixel position. setLineWidth(3) Where I've just hardwired the line width. lbl1 = QLabel() lbl1. self. QtWidgets import QApplication, QWidget, QLabel, QMainWindow, QPushButton, QAction. exec_()) This is my application, my goal is simple - have an image that fills the whole window and resizes after the window resize. Aug 10, 2020 · Documentation about Qlabel doesn't provide me enough clear information to solve this problem. QPushButton() button. QtWidgets import QApplication, QMainWindow, QLabel. e unckecking the box does not work: python. ui -o mainwindow. Look up the pixel value with QImage. The visual appearance of the label can be configured in various ways, and it can be used for specifying a focus mnemonic key for another widget. From the property editor dropdown select "Choose File…". 0 how to adjust/stretch image size on form resize pyqt4 python Aug 24, 2023 · In the example, we display twelve coloured rounded rectangles. Qlabel with image using QPixmap. but there are a few possibilities to achieve what you want: use the html-capabilities of the QLabel to display text+image; use two labels, one with the text and one with the image; paint the component yourself Detailed Description. filename) # create painter instance with pixmap self. Aug 9, 2018 · Press the right click on the QLabel and select the option: Promote to Fill in the fields as shown in the following image, then press the Add button and then the Promote button: and finally generate the . A QLabel object acts as a placeholder to display non-editable text or image, or a movie of animated GIF. For testing, i'm using mouse tracking event, but i guess I'm having problem with image or label resize. The problem arises when the pixmap is scaled and there are stripes on the sides of the picture. label) Jan 22, 2020 · In general, the painting of a QWidget (QLabel, QPushButton, etc. Jun 25, 2014 · The margin is a QLabel-specific property that predates stylesheets; it was available in Qt 4. QPixmap is the module in QtGui and it takes an image of Qt. Jan 6, 2020 · I display images with Qlabel. scaled(x, y, QtCore. i want to draw a rectangle on the image. camLabel = QLabel() pixmap = QPixmap() loaded = pixmap. QLabel(win) Calling the QtWidgets. painterInstance. QImage is designed and optimized for I/O, and for direct pixel access and manipulation, while QPixmap is designed and optimized for showing images on screen. Apr 10, 2019 · i have two windows, main window that opens the second window where i want to have the Qlabel set to a variable called average_waiting. setupUi(Form) Form. QScrollArea provides a scrolling view around another widget. May 27, 2020 · you need to use setStyleSheet at some point. QtWidgets import QMainWindow. usually an image buffer is represented as a continues stream of bytes along a defined order of axis. I have a Qlabel filled with QPixmap and I want to start a process/function once this label clicked. Jul 20, 2018 · pixmap = QPixmap('capture. Hot Network Questions Apr 15, 2019 · My goal is to draw over the image i want to select from my PC and save the image after modify it. The basic idea is to use QScrollArea as a container for the QLabel and if needed use label. exec_()) Edit: I need to May 30, 2017 · Use this to convert cvImage to Qimage, here cvImage is the original image. Image is displayed but scroll bars are not enabled. Qt provides four classes for handling image data: QImage , QPixmap , QBitmap and QPicture . QtGui import * from PyQt5. MainWindow with a single QLabel added. QPixmap('add. exit(app. Insert Image into QGridLayout and Draw on top of image in PyQt5. This code works okay in resizing the image, but the label doesn't cover the whole window, I have those "borders". For a Python project, I have to draw an image with a painter over a Qlabel widget already filled by a picture. QPixmap(self. QPen(QtCore. I have Googled quite a bit and found that I needed to place the "imageformats" folder in the same folder where my script is located. addWidget(label_img, alignment=Qt. Currently I have this: self. so i used mouse press and release event to get the mouse press and release values on the image. argv) Form = QtWidgets. setPen(self. The Example image. PyQt5 Displaying an Image using a QLabel from Memory. Another way to think about it: The behavior can be inferred from the fact that there's only one margin property, not four. AspectRatioMode. You can get mouse clicks by subclassing the QImage and intercepting mousePressEvent. setPixmap(QPixmap(image_path)) (Note: Viewing Image file using QLabel requires setting up of a proper layout and central widget for the window) Using QGraphicsView Feb 16, 2017 · To keep the aspect ratio of an image fixed while resizing the QDialog I've tried the following: import os, sys from PyQt5. Here is my code: from PyQt5 import QtCore, QtGui, QtWidgets. But if you use that to set a QPixmap it overrides your text. The text will be interpreted either as plain text or as rich text, depending on the text format setting; see setTextFormat() . My problem is that my image is systematically drawn behind my Label. QLabel): def __init__(self, path="", urlpath Jul 1, 2019 · PyQt5 Displaying an Image using a QLabel from Memory. TransformationMode. Nov 9, 2017 · More precisely, I'm wondering if it's possible to have an SVG image applied to a QLabel. gif') button = QtGui. Mar 16, 2021 · 10. show() def update_label(): Nov 9, 2016 · This little helper will scale the image down to fit into a label's maximum size if needed (but not up), always keeping the aspect ratio: /**. I simplified the problem by this code, my goal is to paint "cigale1. /assets/launch_image. rotate(angle),QtCore. Note: If you still have issues, make sure you provide the path correctly. _height = height. import os import sys from PyQt5. May 3, 2018 · QLabel for reasons of optimization only updates the image if it is different for it uses the cacheKey() of QPixmap, so only draw when necessary. fromImage(img)) self. dial = QtWidgets. Contribute to PyQt5/PyQt development by creating an account on GitHub. ui. height()) self. it could be solved using: Jan 17, 2017 · Well as the subject says i want to Fit my image in Qlabel but here is the case, there is scaleContent for that Qlabel that does the Opposite job of fitting an image. jpeg' class PixmapLabel(QLabel): """ A label widget that has a pixmap. penRectangle) self. Setting the text clears any previous content. setPixmap (aPixmap)．. addWidget(self. pyqt. Nov 10, 2020 · A workaround is that the load is of a small group of n elements every T seconds so the total task will be distributed and the user will not observe any effect of lag. show() window. Below is the Python implementation –. So in this case you must create a QPixmap PyQt - QLabel Widget. I'm insisting on a QMainWindow class because I'm trying to write something like a paint app, so I'll be able to Aug 5, 2023 · I am actually designing an app using the pyqt5. The stylesheets came later, in Qt 4. I want to zoom into the image displayed in the pixmap (without losing quality). Failed attempt reading the byte array: from PyQt5. setIcon(icon) QPushButton. fromImage(img) ). setPixmap(GtGUI. 调用QLabel的setPixmap方法设置pix. The example shows how to combine QLabel and QScrollArea to display an image. May 5, 2019 · Weirdly, you can also use QLabel to display an image using setPixmap(). setPixmap(pixmap_rotated) # set rotated pixmap into your QLabel Apr 4, 2017 · # convert image file into pixmap self. I'm trying to use QBuffers and QSettings to restore the images but there is a line of code which just crashes the application. resize(pixmap. Related questions. Searching around, i found that setting a mask to the image (pixmap) and drawing a RoundRect on it cause the corners to be circular. I had extended QLabel class as follows: from PyQt5. QBitmap is only a convenience class that inherits QPixmap , ensuring a Sep 26, 2021 · import sys from PyQt5. pixmap (). jpg" is a photo that is in the same directory as my python file. Place the file in the same folder as your code, and then display it in your window as follows: Either we can use QGraphicsViewer or we can use QLabel widget to display the image to the PyQt5 window. As the label resizes so does the pixmap. Jul 8, 2015 · Immediately afterwards, you need to set the maximum size for the QLabel to something very large, otherwise, you will not be able to enlarge the image at all as you will have specified the maximum size to be that of the current image. However, this will ignore the aspect ratio of the image and scale Mar 3, 2020 · Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. the url needs fixing: no quotes nor 'r'; simply the file name (maybe the space in the file name needs escaping, you could try to play with it) This, for instance, works: import sys. Push buttons display a textual label, and optionally a small icon. setStyleSheet("background-color:firebrick; border-radius:5px") A colour is set with the setStyleSheet function. jpg') lbl. Mar 4, 2023 · The image should rotate by one degree each time the QSlider value changes. Jun 12, 2018 · I want to display image with round shape in PyQt5/PySide2 application. Apr 20, 2022 · self. statusWidget = QLabel() img = QImage(":/image. label = QtWidgets. resize(1600, 900) self. pixmap = QPixmap("img\\label. it stretches the image in both vertical and horizontal. QApplication(sys. The pictures are not even that big (less than 300KB), internet connection is good enough. QPixmap('my_image. class Window(QMainWindow): Feb 14, 2024 · Drag this onto the QMainWindow to add it. QtGui import QDrag, QPixmap, QPainter, QCursor. png") # image for your label pixmap_rotated = self. and select an image file to insert. setObjectName("MainWindow") MainWindow. label. No user interaction functionality is provided. Qt Mar 29, 2021 · 1. img_file = cStringIO. Here is the way i implemented this. from PyQt5 import QtGui. setFrameShadow(QFrame. setWidgetResizable(bool) to fill available space and/or ensure QLabel inside is resizable. scaledToHeight(self. 5 on a 32 bit Windows 7 Machine. So you should center the widget by changing to: layout. And if I would like the image to be at the bottom, how should the code be modified ? – Jul 6, 2020 · To rotate Label You can use code as below: angle = 90 # What angle would you like to rotate self. app = QtWidgets. QtCore import QSize, QTimer from PyQt5. Height, width of the image is much bigger than that of QLabel. Oct 3, 2018 · Scrollable QLabel image in PyQt5. Dec 30, 2019 · However, when you scroll through images with QComboBox, the program freezes for 2-3 seconds which is annoying, considering there are more than 100 URLs to scroll through. eyllanesc. QLabel will try to auto-detect the format of the text set. Setting the image property on sub controls implicitly sets the width and height of the sub-control (unless the image in a SVG). May 8, 2017 · The requirement of the application is to restore the image when the application shuts down so that the user doesn't have to input the image again, which I am struggling to come up with a solution. Aug 29, 2012 · I think the image property is for subcontrol only (see doc), while border-image is valid for labels. In your first case the first time it is displayed, the text is painted, then you set the QPixmap and since no QPixmap is redrawn for the first time it calls paintEvent(), it draws the text again, then you set the QPixmap again but being the same as @AngryDuck "the image is located im my project directory" - But can the application find it there? Is it given as a relative path in the final setting code (that generated by the designer) and if yes, does this relative path match the working directory of the application when it is actually run (which doesn't neccessarily need to match the project directory exactly)? Sep 23, 2019 · The QLabel. Mar 26, 2020 · After importing Qlabel, we can create Labels in our PyQt5 application. To edit our image source we will use the following line. exec_()) But it doesn't show the image, just opens the window. import sys from PyQt4 import QtGui app = QtGui. setFrameShape(QFrame. Setting. QWidget): May 7, 2024 · PyQt5 Interactive QLabel Widgets. Aug 20, 2014 · I'm trying to display a QPixmap in QLabel, but I get the label empty. Apr 23, 2017 · window = Window() window. . mainwindow. See Supported HTML Subset for the definition of rich text. Action performed : This will create a border on label with I am trying to zoom in a picture i implemented with QPixmap but nothing works. How to display two images in each Qlabel PyQt5. exec_()) However when it goes into the unchecked option it does not hide the image: Original window: Checked Slice 1 window: From this point on it always shows the image and I want it to hide it. argv) label = QtGui. QtGui import * from For example, we change the border to grey and the chunk to cerulean. loadFromData(QByteArray(img)) # img is a byte array of size: h*w*3 self. Plain text, hyperlink or rich text can be displayed on the label. QLabel(self). If you just want to draw a border around a rounded image, using a superimposed widget is certainly not the smartest choice. 从文件创建QPixmap对象. png" which is in a Label : May 24, 2021 · I'm working on my college project, I want to align an Image to centre Horizontally, I tried many thing but not find solution. open(img_file) Then setting this to a QImage: final_image = QImage(image_file) Dec 1, 2019 · I am trying to create a PyQt5 - QLabel with both image and text. The following table lists the important methods defined in QLabel class −. scaled(49, 49, Qt. label_name = QLabel(Info, self) Here Info can be any text of string type. A QLabel can contain any of the following content types: Content. resize(800, 600) sys. urlopen(image_url). lb = QtGui. jpg"). size() painter = QtGui. pixmap = pix. QPoint(0,0) Aug 17, 2018 · 2. I have developed a form in PyQt5. QtWidgets import QLabel. setText("") Dec 19, 2017 · Pyqt5 QLabel with image at top and text at bottom. Image Viewer Example. hauteur)) I've put my label into a layout in order to put it in a scroll widget then. QLabel() creates a label object which we can use for our GUI. (the corner of the image hid the circular corner of the QLabel). 3. If you try scrolling fast the app crashes. QWidget(MainWindow) Jan 5, 2018 · I am subclassing QLabel, on which I set QPixmap. I have tried many ways to scale the pixmap, but was unable to get good results. But im having no luck. Feb 9, 2022 · print("path is " + filename[0] " and I don't need " + filename[1]) pngfile = QPixmap(filename[0]) # We create the image as a QPixmap widget, using your filename. QMainWindow): def setupUi(self, MainWindow): MainWindow. QRect(150, 50, 500, 440)) self. Currently I'm working on a program, where I need to display a 16 bit RGB tif image in a QLabel using openCV and pyqt5. Panel) label. # whenever the user performs any action. pyuic5 -x "filename". To avoid unnecessary computation for each paintEvent of the QLabel, whenever the scaledContents property is True the scaled image is cached, and all the painting is automatically discarded. cpp May 15, 2011 · The example shows how to combine QLabel and QScrollArea to display an image. QLabel() before self. The problem I am having is that I am not able to Update the QLabel/QPixmap to display a different random dice image when the 'Roll' button is clicked. QtWidgets import QApplication, QLabel, QWidget. ) should only be done in the paintEvent method as the OP seems to know. Then use a QTimer to trigger it at regular intervals (in this case, every 10 seconds). jpg image would be displayed in the label. setPixmap(QtGui. hauteur is a float that represents the height) self. setWindowIcon(QtGui. Jun 22, 2015 · PyQt/Qt: How to stretch an image in Qlabel widget? 2 Resize images inside qt-label. pixel(). All standard widgets draw themselves as bitmaps on a rectangular "canvas" that forms the shape of the widget. qImg = QImage(cvImg. jpg")) # note: photo is the name of my label # "dog. _shown = False. I reads coordinates in (701,451) but I need image coordinates in (800*753) Jun 1, 2011 · First you have to draw the image. setPixmap(pixmap) self. image). QProgressBar { border: 2px solid grey; border-radius: 5px; } QProgressBar::chunk { background-color: #05B8CC; width: 20px; } This leaves the text-align , which we customize by positioning the text in the center of the progress bar. app = QApplication(sys. It can also be used as a mnemonic key for other widgets. Jul 14, 2017 · The image now resizes perfectly. 1. imageLabel. jpg")) It works with PNG files, but it doesn't work with JPG files. IgnoreAspectRatio, Qt. from PyQt5. QtWidgets import QApplication, QDialog, QGridLayout, QLabel from PyQt5. The cookie is used to store the user consent for the cookies in the category "Analytics". In this section we want to focus on creating QLabel widgets with interactive features such as hyperlinks and tooltips in PyQt5. Jan 3, 2023 · It displays images in the labelB. QPainter(self) point = QtCore. setStyleSheet() method, this will add the border to the label, also we can set the thickness as well as color of the border. Here is my code: from PyQt5. Example image 2. Nov 2, 2018 · 4. Next we will open our python file and add some methods to change the image source. class Ui_MainWindow(QtWidgets. size = self. QtWidgets import * class GUI(QMainWindow): def __init__(self PyQt Examples（PyQt各种测试和例子） PyQt4 PyQt5. KeepAspectRatio,QtCore. The QPixmap is centered on the QLabel, but the problem is that the QLabel is not centered with respect to the window. # a timer that prevents the enterEvent to hide the tip immediately. setGeometry(QtCore. I've been trying to set an image to a QLabel from a URL. I would like to have a text at the bottom of the image. It works!!! May 31, 2015 · 2. setPixmap, the resulting QLabel will have a fixed size equal to the size of the pixmap. Nov 3, 2023 · I use Qt Designer to insert an image into the Qlabel as shown below. QLabel is used for displaying text or an image. Syntax : label. image_label. QPixmap("dog. show() app = QApplication(sys. png")) QLabel显示图片需要首先使用QPixmap加载图片，然后在aLabel. Below is the code I am currently using to create the label that contains the image to be rotated: self. ui -o "filename". We’ll proceed to examine the QLabel related code line by line. showTimer = QtCore. resize(50, 50) PyQt5 - QLabel Widget. Jun 16, 2017 · label = QLabel(self) label. Use Use QPixmap::QPixmap ( const QString & fileName, const char * format = 0, Qt::ImageConversionFlags flags = Qt::AutoColor ); QLabel::setPixmap ( const QPixmap & ); lbl = QLabel(self) pixmap = QPixmap('weekend. For testing, I use the code below. py. data, width, height, bytesPerLine, QImage. 0 (at least). QLabel是一个可以用于显示文本、图像和动画的小部件。有时，我们可能想要将一个图像调整到QLabel小部件的大小。下面我们将通过示例来说明如何实现这一目标。 阅读更多：PyQt 教程 使用QLabel显示图像 首先，我们需要加载一个图像并显示在QLabel小部件中。 Axis transposing, reordering (BGR to RGB) or any transition that doesn't require a copy, a new image container, representing the same image buffer will be created. The first step towards creating custom widgets in PyQt5 is understanding bitmap (pixel-based) graphic operations. rect () returns dimensions of the whole QLabel not only the pixmap. IMAGE_PATH = '. QWidget() ui = Ui_Form() ui. for examples my image is 800*753 and my Qlabel geometry is (701,451). QtCore import QByteArray from PyQt5. . * Returns false if image loading failed. Next, with the Label selected, look in the right hand QLabel properties panel for the pixmap property (scroll down to the blue region). QLabel is a widget class in PyQt5 used for displaying text or images, and it can be enhanced to support user interaction through signals and slots. pixmap_image = QtGui. i. QtWidgets import QApplication. Here is my code : #!/usr/bin/python # -*- coding: utf-8 -*- import sys from PyQt4 import QtGui class Test(QtGui. so any idea of how to do the trick? i used Pixmap not QPicture: Mar 12, 2020 · 0. drawRect Mar 4, 2020 · self. Sunken) label. May 10, 2018 · In the following example I have placed an example where one class only accepts the drop and the other the drag so that you can see each part and understand better. statusWidget. QTimer(interval=100, singleShot=True) # install an event filter for the application, so that we can be notified. QtCore import * from PyQt5. Format_RGB888) and set this Qimage to Label. Jul 22, 2021 · To scale the image down as you wanted and keep the ratio between the two elements, you need to set setScaledContents(True) like this: from PyQt5 import QtCore, QtGui, QtWidgets. The problem is that i want average_waiting to be global because it will be changed throughout the code , Jul 24, 2020 · The visual element that shows the content of the QPixmap in your code is the QLabel so you must set the position to that widget, but in this case the OP is using layouts that aim to manage the geometry (position and size) so you should not use it if you want to set it manually. Apr 5, 2020 · I have an label that displays an image, however the image is cut off since its size is bigger than the label, I have tried self. Below is an image which you can download for this example. StringIO(urllib. QtWidgets import * The Qt documentations has an Image Viewer example which demonstrates handling resizing images inside a QLabel. pixmap_image) # set rectangle color and thickness self. Qt. Figure: Colours. This tutorial is also available for PyQt6 , PySide2 and PySide6. * Fill a QLabel widget with an image file, respecting the widget's maximum sizes, * while scaling the image down if needed (but not up), and keeping the aspect ratio. But in the code,lb first needs to be defined as lb = QtGui. The following code resizes the image, but with very bad quality. Below is the code i tried. setPixmap(pngfile) # And then we add it like this. i am using the QPainter. 设置QLabel的位置和大小. Feb 26, 2018 · Seems the code does not get the image or it failed to update the label, and the . py -x. Hot Network Questions Oct 4, 2020 · I'm new to programming in python. dial. setPixmap() but it seems I can not create a valid pixel map. setScaledContents(bool) and scrollarea. setWidth(3) # draw rectangle on painter self. SetScaledContents(True)but this only resizes my image to fit in the label. QLabel is typically used for displaying text, but it can also display an image. QPainter(self. Add text in Qlabel. shape. penRectangle. setPixmap(pixmap) label. resize(581, 463) If a svg is specified, the image is scaled to the size of the contents rectangle. On click of the button . In Qt 4. QtGui import QIcon from PyQt5. hv zf po kw cg xw ub nb es uh