qpixmap

How to implement zooming image better?

只愿长相守 提交于 2021-02-04 08:22:15
问题 I have the following code: from PyQt5.QtWidgets import QWidget, QHBoxLayout, QVBoxLayout, QPushButton, QGroupBox, QLabel from PyQt5.QtGui import QPixmap from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtCore import Qt import sys class Window(QWidget): def __init__(self): super().__init__() self.imgLabel = QLabel(self) pixmap = QPixmap("feedreader.jpg") self.imgLabel.setPixmap(pixmap) self.imgLabel.setAlignment(Qt.AlignCenter | Qt.AlignCenter) self.imgLabel.setSizePolicy

PyQT5: How to interactively paint on image within QLabel Widget? [duplicate]

◇◆丶佛笑我妖孽 提交于 2021-01-29 11:13:17
问题 This question already has an answer here : Drawing with a brush (1 answer) Closed 2 years ago . Python 3, latest version of PyQt5 on Mac OS Mojave I want a PyQt5 program in which the user could paint connected dots on an image (click distinctively and the points are automatically connected). It is important that I can only draw on the image in the QLabel widget (or an alternative widget) and not over the entire main window. I can plot the image and get the the coordinates of the previous two

PyQT different image autoscaling modes [duplicate]

橙三吉。 提交于 2021-01-29 09:07:28
问题 This question already has answers here : Qt: resizing a QLabel containing a QPixmap while keeping its aspect ratio (6 answers) Closed 2 years ago . Let's say we have a QLabel with QPixmap label = QLabel Pixmap = QPixmap('filepath') label.setPixmap(Pixmap) I already mentioned that by using label.setScaledContents(True) We can force image to be autoscaled to label size (And widget's one if label autoscaled to it) Without using it, image gona be displayed in it's full size, not depending on

setPixmap crashing when trying to show image in label

一笑奈何 提交于 2020-12-21 04:05:26
问题 I have created a minimal example with pyqt designer, that changes the text of a label when a button is pressed and is supposed to present a screenshot in the window, via the label. Unfortunately, the example just crashes when it tries to show the screenshot in the label. from PIL.ImageQt import ImageQt from PyQt5 import QtCore, QtGui, QtWidgets from pyscreenshot import grab class Ui_Form(object): def setupUi(self, Form): Form.setObjectName("Form") Form.resize(503, 382) self.pushButton =

setPixmap crashing when trying to show image in label

廉价感情. 提交于 2020-12-21 04:03:06
问题 I have created a minimal example with pyqt designer, that changes the text of a label when a button is pressed and is supposed to present a screenshot in the window, via the label. Unfortunately, the example just crashes when it tries to show the screenshot in the label. from PIL.ImageQt import ImageQt from PyQt5 import QtCore, QtGui, QtWidgets from pyscreenshot import grab class Ui_Form(object): def setupUi(self, Form): Form.setObjectName("Form") Form.resize(503, 382) self.pushButton =

setPixmap crashing when trying to show image in label

霸气de小男生 提交于 2020-12-21 04:03:01
问题 I have created a minimal example with pyqt designer, that changes the text of a label when a button is pressed and is supposed to present a screenshot in the window, via the label. Unfortunately, the example just crashes when it tries to show the screenshot in the label. from PIL.ImageQt import ImageQt from PyQt5 import QtCore, QtGui, QtWidgets from pyscreenshot import grab class Ui_Form(object): def setupUi(self, Form): Form.setObjectName("Form") Form.resize(503, 382) self.pushButton =