import sys
from PyQt5 import QtGui, QtWidgets
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.scene = Scene()
self.setGeometry(10, 30, 850, 600)
self.view.setGeometry(20, 22, 800, 550)
self.view.setScene(self.scene)
def __init__(self, parent=None):
super(Scene, self).__init__(parent)
# other stuff here
self.set_image()
def set_image(self):
image = Image()
self.addItem(image)
image.set_pixmap()
def __init__(self, parent=None):
super(Image, self).__init__(parent)
def set_pixmap(self):
pixmap
= QtGui.
QPixmap("image.jpg") self.setPixmap(pixmap)
self.pixmap_controller = PixmapController(self)
self.pixmap_controller.set_pixmap_controller()
self.pixmap_controller.setPos(self.boundingRect().topLeft())
self.
pixmap_controller.
setFlag(QtWidgets.
QGraphicsItem.
ItemSendsScenePositionChanges,
True)
def change_image_position(self, position):
self.setPos(position)
def __init__(self, pixmap):
super(PixmapController, self).__init__(parent=pixmap)
self.pixmap = pixmap
self.setBrush(brush)
def set_pixmap_controller(self):
self.setRect(-5, -5, 10, 10)
def itemChange(self, change, value):
self.pixmap.change_image_position(value)
return super(PixmapController, self).itemChange(change, value)
if __name__ == "__main__":
window = MainWindow()
window.show()
sys.exit(app.exec_())
import sys
from PyQt5.QtWidgets import QMainWindow, QApplication, QGraphicsView
from PyQt5 import QtGui, QtWidgets
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.scene = Scene()
self.view = QGraphicsView(self)
self.setGeometry(10, 30, 850, 600)
self.view.setGeometry(20, 22, 800, 550)
self.view.setScene(self.scene)
class Scene(QtWidgets.QGraphicsScene):
def __init__(self, parent=None):
super(Scene, self).__init__(parent)
# other stuff here
self.set_image()
def set_image(self):
image = Image()
self.addItem(image)
image.set_pixmap()
class Image(QtWidgets.QGraphicsPixmapItem):
def __init__(self, parent=None):
super(Image, self).__init__(parent)
self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable, True)
def set_pixmap(self):
pixmap = QtGui.QPixmap("image.jpg")
self.setPixmap(pixmap)
self.pixmap_controller = PixmapController(self)
self.pixmap_controller.set_pixmap_controller()
self.pixmap_controller.setPos(self.boundingRect().topLeft())
self.pixmap_controller.setFlag(QtWidgets.QGraphicsItem.ItemSendsScenePositionChanges, True)
def change_image_position(self, position):
self.setPos(position)
class PixmapController(QtWidgets.QGraphicsEllipseItem):
def __init__(self, pixmap):
super(PixmapController, self).__init__(parent=pixmap)
self.pixmap = pixmap
self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable, True)
color = QtGui.QColor(0, 0, 0)
brush = QtGui.QBrush(color)
self.setBrush(brush)
def set_pixmap_controller(self):
self.setRect(-5, -5, 10, 10)
def itemChange(self, change, value):
if change == QtWidgets.QGraphicsItem.ItemPositionChange:
self.pixmap.change_image_position(value)
return super(PixmapController, self).itemChange(change, value)
if __name__ == "__main__":
app = QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec_())
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