99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
// Qt includes
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#include <QDateTime>
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#include <QFile>
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#include <QResource>
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// effect engin eincludes
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#include <effectengine/Effect.h>
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#include <effectengine/EffectModule.h>
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#include <utils/Logger.h>
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#include <hyperion/Hyperion.h>
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// python utils
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#include <python/PythonProgram.h>
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Effect::Effect(Hyperion *hyperion, int priority, int timeout, const QString &script, const QString &name, const QJsonObject &args, const QString &imageData)
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: QThread()
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, _hyperion(hyperion)
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, _priority(priority)
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, _timeout(timeout)
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, _script(script)
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, _name(name)
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, _args(args)
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, _imageData(imageData)
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, _endTime(-1)
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, _colors()
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, _imageSize(hyperion->getLedGridSize())
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, _image(_imageSize,QImage::Format_ARGB32_Premultiplied)
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{
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_colors.resize(_hyperion->getLedCount());
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_colors.fill(ColorRgb::BLACK);
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_log = Logger::getInstance("EFFECTENGINE");
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// init effect image for image based effects, size is based on led layout
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_image.fill(Qt::black);
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_painter = new QPainter(&_image);
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Q_INIT_RESOURCE(EffectEngine);
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}
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Effect::~Effect()
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{
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requestInterruption();
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wait();
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delete _painter;
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_imageStack.clear();
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}
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void Effect::setModuleParameters()
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{
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// import the buildtin Hyperion module
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PyObject * module = PyImport_ImportModule("hyperion");
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// add a capsule containing 'this' to the module to be able to retrieve the effect from the callback function
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PyModule_AddObject(module, "__effectObj", PyCapsule_New((void*)this, "hyperion.__effectObj", nullptr));
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// add ledCount variable to the interpreter
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int ledCount = 0;
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QMetaObject::invokeMethod(_hyperion, "getLedCount", Qt::BlockingQueuedConnection, Q_RETURN_ARG(int, ledCount));
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PyObject_SetAttrString(module, "ledCount", Py_BuildValue("i", ledCount));
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// add minimumWriteTime variable to the interpreter
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int latchTime = 0;
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QMetaObject::invokeMethod(_hyperion, "getLatchTime", Qt::BlockingQueuedConnection, Q_RETURN_ARG(int, latchTime));
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PyObject_SetAttrString(module, "latchTime", Py_BuildValue("i", latchTime));
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// add a args variable to the interpreter
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PyObject_SetAttrString(module, "args", EffectModule::json2python(_args));
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// decref the module
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Py_XDECREF(module);
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}
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void Effect::run()
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{
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PythonProgram program(_name, _log);
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setModuleParameters();
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// Set the end time if applicable
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if (_timeout > 0)
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{
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_endTime = QDateTime::currentMSecsSinceEpoch() + _timeout;
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}
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// Run the effect script
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QFile file (_script);
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if (file.open(QIODevice::ReadOnly))
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{
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program.execute(file.readAll());
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}
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else
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{
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Error(_log, "Unable to open script file %s.", QSTRING_CSTR(_script));
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}
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file.close();
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}
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