diff options
Diffstat (limited to 'examples/declarative/openglunderqml/squircle.py')
-rw-r--r-- | examples/declarative/openglunderqml/squircle.py | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/examples/declarative/openglunderqml/squircle.py b/examples/declarative/openglunderqml/squircle.py deleted file mode 100644 index d2900198b..000000000 --- a/examples/declarative/openglunderqml/squircle.py +++ /dev/null @@ -1,79 +0,0 @@ -# Copyright (C) 2022 The Qt Company Ltd. -# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -from PySide6.QtCore import Property, QRunnable, Qt, Signal, Slot -from PySide6.QtQml import QmlElement -from PySide6.QtQuick import QQuickItem, QQuickWindow - -from squirclerenderer import SquircleRenderer - -# To be used on the @QmlElement decorator -# (QML_IMPORT_MINOR_VERSION is optional) -QML_IMPORT_NAME = "OpenGLUnderQML" -QML_IMPORT_MAJOR_VERSION = 1 - - -class CleanupJob(QRunnable): - def __init__(self, renderer): - super().__init__() - self._renderer = renderer - - def run(self): - del self._renderer - - -@QmlElement -class Squircle(QQuickItem): - - tChanged = Signal() - - def __init__(self, parent=None): - super().__init__(parent) - self._t = 0.0 - self._renderer = None - self.windowChanged.connect(self.handleWindowChanged) - - def t(self): - return self._t - - def setT(self, value): - if self._t == value: - return - self._t = value - self.tChanged.emit() - if self.window(): - self.window().update() - - @Slot(QQuickWindow) - def handleWindowChanged(self, win): - if win: - win.beforeSynchronizing.connect(self.sync, type=Qt.DirectConnection) - win.sceneGraphInvalidated.connect(self.cleanup, type=Qt.DirectConnection) - win.setColor(Qt.black) - self.sync() - - @Slot() - def cleanup(self): - del self._renderer - self._renderer = None - - @Slot() - def sync(self): - window = self.window() - if not self._renderer: - self._renderer = SquircleRenderer() - window.beforeRendering.connect(self._renderer.init, Qt.DirectConnection) - window.beforeRenderPassRecording.connect( - self._renderer.paint, Qt.DirectConnection - ) - self._renderer.setViewportSize(window.size() * window.devicePixelRatio()) - self._renderer.setT(self._t) - self._renderer.setWindow(window) - - def releaseResources(self): - self.window().scheduleRenderJob( - CleanupJob(self._renderer), QQuickWindow.BeforeSynchronizingStage - ) - self._renderer = None - - t = Property(float, t, setT, notify=tChanged) |