def __init__(self, document: Optional[vp.Document] = None, parent=None):
"""Constructor.
Args:
document: the document to display
parent: QWidget parent
"""
fmt = QGLFormat()
fmt.setVersion(3, 3)
fmt.setProfile(QGLFormat.CoreProfile)
fmt.setSampleBuffers(True)
super().__init__(fmt, parent=parent)
self.setMouseTracking(True)
self._document = document
self._last_mouse_x = 0.0
self._last_mouse_y = 0.0
self._mouse_drag = False
# deferred initialization in initializeGL()
self._ctx: Optional[mgl.Context] = None
self._screen = None
self.engine = Engine(view_mode=ViewMode.OUTLINE,
show_pen_up=False,
render_cb=self.update)
# adjust default scale based on hidpi
self.engine.scale = self.window().devicePixelRatio()
def __init__(self, renderer, title):
QApplication.__init__(self, sys.argv)
self.window = QMainWindow()
self.window.setWindowTitle(title)
self.window.resize(800,600)
# Get OpenGL 4.1 context
glformat = QGLFormat()
glformat.setVersion(4, 1)
glformat.setProfile(QGLFormat.CoreProfile)
glformat.setDoubleBuffer(False)
self.glwidget = MyGlWidget(renderer, glformat, self)
self.window.setCentralWidget(self.glwidget)
self.window.show()
def __init__(self, document: Optional[vp.Document] = None, parent=None):
"""Constructor.
Args:
document: the document to display
parent: QWidget parent
"""
fmt = QGLFormat()
fmt.setVersion(3, 3)
fmt.setProfile(QGLFormat.CoreProfile)
fmt.setSampleBuffers(True)
super().__init__(fmt, parent=parent)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
self.setMouseTracking(True)
self._document = document
self._last_mouse_x = 0.0
self._last_mouse_y = 0.0
self._mouse_drag = False
self._factor = 1.0
# deferred initialization in initializeGL()
self._ctx: Optional[mgl.Context] = None
self._screen = None
self.engine = Engine(view_mode=ViewMode.OUTLINE,
show_pen_up=False,
render_cb=self.update)
self.windowHandle().screenChanged.connect(self.on_screen_changed)
# print diagnostic information
screen = self.screen()
logging.info(f"QScreen info: pixelRatio={screen.devicePixelRatio()}, "
f"physicalSize={screen.physicalSize().toTuple()}, "
f"physicalDotsPerInch={screen.physicalDotsPerInch()}, "
f"virtualSize={screen.virtualSize().toTuple()}, "
f"size={screen.size().toTuple()}, "
f"logicalDotsPerInch={screen.logicalDotsPerInch()}, ")
# -*- coding: utf-8 -*-
"""
Created on Mon Jun 3 15:20:33 2019
@author: aluo
"""
import mainGUI
from PySide2.QtWidgets import QApplication
from PySide2.QtOpenGL import QGLFormat
import sys
if __name__ == "__main__":
app = QApplication(sys.argv)
gl_format = QGLFormat()
gl_format.setVersion(3, 3)
gl_format.setProfile(QGLFormat.CoreProfile)
gl_format.setSampleBuffers(True)
main_gui = mainGUI.MainGui()
main_gui.show()
sys.exit(app.exec_())
def __init__(self, name: str, parent: QWidget = None):
QFrame.__init__(self, parent)
self.setFrameShape(QFrame.Shape(QFrame.Sunken | QFrame.StyledPanel))
self.graphicsView = GraphicsView(self)
self.graphicsView.setRenderHint(QPainter.Antialiasing, False)
self.graphicsView.setDragMode(QGraphicsView.RubberBandDrag)
self.graphicsView.setOptimizationFlag(
QGraphicsView.DontSavePainterState)
self.graphicsView.setViewportUpdateMode(
QGraphicsView.SmartViewportUpdate)
self.graphicsView.setTransformationAnchor(
QGraphicsView.AnchorUnderMouse)
size = self.style().pixelMetric(QStyle.PM_ToolBarIconSize)
iconSize = QSize(size, size)
self.zoomInIcon = QToolButton()
self.zoomInIcon.setAutoRepeat(True)
self.zoomInIcon.setAutoRepeatInterval(33)
self.zoomInIcon.setAutoRepeatDelay(0)
self.zoomInIcon.setIcon(QIcon(":/zoomin.png"))
self.zoomInIcon.setIconSize(iconSize)
self.zoomOutIcon = QToolButton()
self.zoomOutIcon.setAutoRepeat(True)
self.zoomOutIcon.setAutoRepeatInterval(33)
self.zoomOutIcon.setAutoRepeatDelay(0)
self.zoomOutIcon.setIcon(QIcon(":/zoomout.png"))
self.zoomOutIcon.setIconSize(iconSize)
self.zoomSlider = QSlider()
self.zoomSlider.setMinimum(0)
self.zoomSlider.setMaximum(500)
self.zoomSlider.setValue(250)
self.zoomSlider.setTickPosition(QSlider.TicksRight)
# Zoom slider layout
zoomSliderLayout = QVBoxLayout()
zoomSliderLayout.addWidget(self.zoomInIcon)
zoomSliderLayout.addWidget(self.zoomSlider)
zoomSliderLayout.addWidget(self.zoomOutIcon)
self.rotateLeftIcon = QToolButton()
self.rotateLeftIcon.setIcon(QIcon(":/rotateleft.png"))
self.rotateLeftIcon.setIconSize(iconSize)
self.rotateRightIcon = QToolButton()
self.rotateRightIcon.setIcon(QIcon(":/rotateright.png"))
self.rotateRightIcon.setIconSize(iconSize)
self.rotateSlider = QSlider()
self.rotateSlider.setOrientation(Qt.Horizontal)
self.rotateSlider.setMinimum(-360)
self.rotateSlider.setMaximum(360)
self.rotateSlider.setValue(0)
self.rotateSlider.setTickPosition(QSlider.TicksBelow)
# Rotate slider layout
rotateSliderLayout = QHBoxLayout()
rotateSliderLayout.addWidget(self.rotateLeftIcon)
rotateSliderLayout.addWidget(self.rotateSlider)
rotateSliderLayout.addWidget(self.rotateRightIcon)
self.resetButton = QToolButton()
self.resetButton.setText(self.tr("0"))
self.resetButton.setEnabled(False)
# Label layout
labelLayout = QHBoxLayout()
self.label = QLabel(name)
self.label2 = QLabel(self.tr("Pointer Mode"))
self.selectModeButton = QToolButton()
self.selectModeButton.setText(self.tr("Select"))
self.selectModeButton.setCheckable(True)
self.selectModeButton.setChecked(True)
self.dragModeButton = QToolButton()
self.dragModeButton.setText(self.tr("Drag"))
self.dragModeButton.setCheckable(True)
self.dragModeButton.setChecked(False)
self.antialiasButton = QToolButton()
self.antialiasButton.setText(self.tr("Antialiasing"))
self.antialiasButton.setCheckable(True)
self.antialiasButton.setChecked(False)
self.openGlButton = QToolButton()
self.openGlButton.setText(self.tr("OpenGL"))
self.openGlButton.setCheckable(True)
self.openGlButton.setEnabled(QGLFormat.hasOpenGL())
self.printButton = QToolButton()
self.printButton.setIcon(QIcon(":/fileprint.png"))
pointerModeGroup = QButtonGroup(self)
pointerModeGroup.setExclusive(True)
pointerModeGroup.addButton(self.selectModeButton)
pointerModeGroup.addButton(self.dragModeButton)
labelLayout.addWidget(self.label)
labelLayout.addStretch()
labelLayout.addWidget(self.label2)
labelLayout.addWidget(self.selectModeButton)
labelLayout.addWidget(self.dragModeButton)
labelLayout.addStretch()
labelLayout.addWidget(self.antialiasButton)
labelLayout.addWidget(self.openGlButton)
labelLayout.addWidget(self.printButton)
topLayout = QGridLayout()
topLayout.addLayout(labelLayout, 0, 0)
topLayout.addWidget(self.graphicsView, 1, 0)
topLayout.addLayout(zoomSliderLayout, 1, 1)
topLayout.addLayout(rotateSliderLayout, 2, 0)
topLayout.addWidget(self.resetButton, 2, 1)
self.setLayout(topLayout)
self.resetButton.clicked.connect(self.resetView)
self.zoomSlider.valueChanged.connect(self.setupMatrix)
self.rotateSlider.valueChanged.connect(self.setupMatrix)
self.graphicsView.verticalScrollBar().valueChanged.connect(
self.setResetButtonEnabled)
self.graphicsView.horizontalScrollBar().valueChanged.connect(
self.setResetButtonEnabled)
self.selectModeButton.toggled.connect(self.togglePointerMode)
self.dragModeButton.toggled.connect(self.togglePointerMode)
self.antialiasButton.toggled.connect(self.toggleAntialiasing)
self.openGlButton.toggled.connect(self.toggleOpenGL)
self.rotateLeftIcon.clicked.connect(self.rotateLeft)
self.rotateRightIcon.clicked.connect(self.rotateRight)
self.zoomInIcon.clicked.connect(self.zoomIn)
self.zoomOutIcon.clicked.connect(self.zoomOut)
self.printButton.clicked.connect(self.print)
self.setupMatrix()
def toggleOpenGL(self):
self.graphicsView.setViewport(
QGLWidget(QGLFormat(QGL.SampleBuffers)) if self.openGlButton.
isChecked() else QWidget())