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hyperion.ng/libsrc/effectengine/EffectModule.cpp

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update
2018-12-31 15:48:29 +01:00
#include <cmath>
Details coming soon.
2018-12-27 23:11:32 +01:00
#include <effectengine/Effect.h>
#include <effectengine/EffectModule.h>
// hyperion
#include <hyperion/Hyperion.h>
#include <utils/Logger.h>
// qt
#include <QJsonArray>
#include <QDateTime>
#include <QImageReader>
// create the hyperion module
struct PyModuleDef EffectModule::moduleDef = {
PyModuleDef_HEAD_INIT,
"hyperion", /* m_name */
"Hyperion module", /* m_doc */
-1, /* m_size */
EffectModule::effectMethods, /* m_methods */
NULL, /* m_reload */
NULL, /* m_traverse */
NULL, /* m_clear */
NULL, /* m_free */
};
PyObject* EffectModule::PyInit_hyperion()
{
return PyModule_Create(&moduleDef);
}
void EffectModule::registerHyperionExtensionModule()
{
PyImport_AppendInittab("hyperion", &PyInit_hyperion);
}
PyObject *EffectModule::json2python(const QJsonValue &jsonData)
{
switch (jsonData.type())
{
case QJsonValue::Null:
return Py_BuildValue("");
case QJsonValue::Undefined:
return Py_BuildValue("");
case QJsonValue::Double:
{
update
2018-12-31 15:48:29 +01:00
if (std::round(jsonData.toDouble()) != jsonData.toDouble())
Details coming soon.
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return Py_BuildValue("d", jsonData.toDouble());
update
2018-12-31 15:48:29 +01:00
Details coming soon.
2018-12-27 23:11:32 +01:00
return Py_BuildValue("i", jsonData.toInt());
}
case QJsonValue::Bool:
return Py_BuildValue("i", jsonData.toBool() ? 1 : 0);
case QJsonValue::String:
return Py_BuildValue("s", jsonData.toString().toUtf8().constData());
case QJsonValue::Object:
{
PyObject * dict= PyDict_New();
QJsonObject objectData = jsonData.toObject();
for (QJsonObject::iterator i = objectData.begin(); i != objectData.end(); ++i)
{
PyObject * obj = json2python(*i);
PyDict_SetItemString(dict, i.key().toStdString().c_str(), obj);
Py_XDECREF(obj);
}
return dict;
}
case QJsonValue::Array:
{
QJsonArray arrayData = jsonData.toArray();
PyObject * list = PyList_New(arrayData.size());
int index = 0;
for (QJsonArray::iterator i = arrayData.begin(); i != arrayData.end(); ++i, ++index)
{
PyObject * obj = json2python(*i);
Py_INCREF(obj);
PyList_SetItem(list, index, obj);
Py_XDECREF(obj);
}
return list;
}
}
assert(false);
return nullptr;
}
// Python method table
PyMethodDef EffectModule::effectMethods[] = {
{"setColor" , EffectModule::wrapSetColor , METH_VARARGS, "Set a new color for the leds."},
{"setImage" , EffectModule::wrapSetImage , METH_VARARGS, "Set a new image to process and determine new led colors."},
{"getImage" , EffectModule::wrapGetImage , METH_VARARGS, "get image data from file."},
{"abort" , EffectModule::wrapAbort , METH_NOARGS, "Check if the effect should abort execution."},
{"imageShow" , EffectModule::wrapImageShow , METH_VARARGS, "set current effect image to hyperion core."},
{"imageLinearGradient" , EffectModule::wrapImageLinearGradient , METH_VARARGS, ""},
{"imageConicalGradient" , EffectModule::wrapImageConicalGradient , METH_VARARGS, ""},
{"imageRadialGradient" , EffectModule::wrapImageRadialGradient , METH_VARARGS, ""},
{"imageSolidFill" , EffectModule::wrapImageSolidFill , METH_VARARGS, ""},
{"imageDrawLine" , EffectModule::wrapImageDrawLine , METH_VARARGS, ""},
{"imageDrawPoint" , EffectModule::wrapImageDrawPoint , METH_VARARGS, ""},
{"imageDrawRect" , EffectModule::wrapImageDrawRect , METH_VARARGS, ""},
{"imageDrawPolygon" , EffectModule::wrapImageDrawPolygon , METH_VARARGS, ""},
{"imageDrawPie" , EffectModule::wrapImageDrawPie , METH_VARARGS, ""},
{"imageSetPixel" , EffectModule::wrapImageSetPixel , METH_VARARGS, "set pixel color of image"},
{"imageGetPixel" , EffectModule::wrapImageGetPixel , METH_VARARGS, "get pixel color of image"},
{"imageSave" , EffectModule::wrapImageSave , METH_NOARGS, "adds a new background image"},
{"imageMinSize" , EffectModule::wrapImageMinSize , METH_VARARGS, "sets minimal dimension of background image"},
{"imageWidth" , EffectModule::wrapImageWidth , METH_NOARGS, "gets image width"},
{"imageHeight" , EffectModule::wrapImageHeight , METH_NOARGS, "gets image height"},
{"imageCRotate" , EffectModule::wrapImageCRotate , METH_VARARGS, "rotate the coordinate system by given angle"},
{"imageCOffset" , EffectModule::wrapImageCOffset , METH_VARARGS, "Add offset to the coordinate system"},
{"imageCShear" , EffectModule::wrapImageCShear , METH_VARARGS, "Shear of coordinate system by the given horizontal/vertical axis"},
{"imageResetT" , EffectModule::wrapImageResetT , METH_NOARGS, "Resets all coords modifications (rotate,offset,shear)"},
{NULL, NULL, 0, NULL}
};
PyObject* EffectModule::wrapSetColor(PyObject *self, PyObject *args)
{
// get the effect
Effect * effect = getEffect();
// check if we have aborted already
if (effect->hasInteruptionFlag())
{
return Py_BuildValue("");
}
// determine the timeout
int timeout = effect->_timeout;
if (timeout > 0)
{
timeout = effect->_endTime - QDateTime::currentMSecsSinceEpoch();
// we are done if the time has passed
if (timeout <= 0)
{
return Py_BuildValue("");
}
}
// check the number of arguments
int argCount = PyTuple_Size(args);
if (argCount == 3)
{
// three seperate arguments for red, green, and blue
ColorRgb color;
if (PyArg_ParseTuple(args, "bbb", &color.red, &color.green, &color.blue))
{
effect->_colors.fill(color);
effect->setInput(effect->_priority, effect->_colors.toStdVector(), timeout, false);
return Py_BuildValue("");
}
return nullptr;
}
else if (argCount == 1)
{
// bytearray of values
PyObject * bytearray = nullptr;
if (PyArg_ParseTuple(args, "O", &bytearray))
{
if (PyByteArray_Check(bytearray))
{
size_t length = PyByteArray_Size(bytearray);
if (length == 3 * effect->_hyperion->getLedCount())
{
char * data = PyByteArray_AS_STRING(bytearray);
memcpy(effect->_colors.data(), data, length);
effect->setInput(effect->_priority, effect->_colors.toStdVector(), timeout, false);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should be 3*ledCount");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Argument is not a bytearray");
return nullptr;
}
}
else
{
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Function expect 1 or 3 arguments");
return nullptr;
}
}
PyObject* EffectModule::wrapSetImage(PyObject *self, PyObject *args)
{
// get the effect
Effect * effect = getEffect();
// check if we have aborted already
if (effect->hasInteruptionFlag())
{
return Py_BuildValue("");
}
// determine the timeout
int timeout = effect->_timeout;
if (timeout > 0)
{
timeout = effect->_endTime - QDateTime::currentMSecsSinceEpoch();
// we are done if the time has passed
if (timeout <= 0)
{
return Py_BuildValue("");
}
}
// bytearray of values
int width, height;
PyObject * bytearray = nullptr;
if (PyArg_ParseTuple(args, "iiO", &width, &height, &bytearray))
{
if (PyByteArray_Check(bytearray))
{
int length = PyByteArray_Size(bytearray);
if (length == 3 * width * height)
{
Image<ColorRgb> image(width, height);
char * data = PyByteArray_AS_STRING(bytearray);
memcpy(image.memptr(), data, length);
effect->setInputImage(effect->_priority, image, timeout, false);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should be 3*width*height");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Argument 3 is not a bytearray");
return nullptr;
}
}
else
{
return nullptr;
}
// error
PyErr_SetString(PyExc_RuntimeError, "Unknown error");
return nullptr;
}
PyObject* EffectModule::wrapGetImage(PyObject *self, PyObject *args)
{
Q_INIT_RESOURCE(EffectEngine);
char *source;
if(!PyArg_ParseTuple(args, "s", &source))
{
PyErr_SetString(PyExc_TypeError, "String required");
return NULL;
}
QString file = QString::fromUtf8(source);
if (file.mid(0, 1) == ":")
file = ":/effects/"+file.mid(1);
QImageReader reader(file);
if (reader.canRead())
{
PyObject* result = PyList_New(reader.imageCount());
for (int i = 0; i < reader.imageCount(); ++i)
{
reader.jumpToImage(i);
if (reader.canRead())
{
QImage qimage = reader.read();
int width = qimage.width();
int height = qimage.height();
QByteArray binaryImage;
for (int i = 0; i<height; ++i)
{
const QRgb * scanline = reinterpret_cast<const QRgb *>(qimage.scanLine(i));
for (int j = 0; j< width; ++j)
{
binaryImage.append((char) qRed(scanline[j]));
binaryImage.append((char) qGreen(scanline[j]));
binaryImage.append((char) qBlue(scanline[j]));
}
}
PyList_SET_ITEM(result, i, Py_BuildValue("{s:i,s:i,s:O}", "imageWidth", width, "imageHeight", height, "imageData", PyByteArray_FromStringAndSize(binaryImage.constData(),binaryImage.size())));
}
else
{
PyErr_SetString(PyExc_TypeError, reader.errorString().toUtf8().constData());
return NULL;
}
}
return result;
}
else
{
PyErr_SetString(PyExc_TypeError, reader.errorString().toUtf8().constData());
return NULL;
}
}
PyObject* EffectModule::wrapAbort(PyObject *self, PyObject *)
{
Effect * effect = getEffect();
// Test if the effect has reached it end time
if (effect->_timeout > 0 && QDateTime::currentMSecsSinceEpoch() > effect->_endTime)
{
effect->setInteruptionFlag();
}
return Py_BuildValue("i", effect->hasInteruptionFlag() ? 1 : 0);
}
PyObject* EffectModule::wrapImageShow(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
// determine the timeout
int timeout = effect->_timeout;
if (timeout > 0)
{
timeout = effect->_endTime - QDateTime::currentMSecsSinceEpoch();
// we are done if the time has passed
if (timeout <= 0)
{
return Py_BuildValue("");
}
}
int argCount = PyTuple_Size(args);
int imgId = -1;
bool argsOk = (argCount == 0);
if (argCount == 1 && PyArg_ParseTuple(args, "i", &imgId))
{
argsOk = true;
}
if ( ! argsOk || (imgId>-1 && imgId >= effect->_imageStack.size()))
{
return nullptr;
}
QImage * qimage = (imgId<0) ? &(effect->_image) : &(effect->_imageStack[imgId]);
int width = qimage->width();
int height = qimage->height();
Image<ColorRgb> image(width, height);
QByteArray binaryImage;
for (int i = 0; i<height; ++i)
{
const QRgb * scanline = reinterpret_cast<const QRgb *>(qimage->scanLine(i));
for (int j = 0; j< width; ++j)
{
binaryImage.append((char) qRed(scanline[j]));
binaryImage.append((char) qGreen(scanline[j]));
binaryImage.append((char) qBlue(scanline[j]));
}
}
memcpy(image.memptr(), binaryImage.data(), binaryImage.size());
effect->setInputImage(effect->_priority, image, timeout, false);
return Py_BuildValue("");
}
PyObject* EffectModule::wrapImageLinearGradient(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
PyObject * bytearray = nullptr;
int startRX = 0;
int startRY = 0;
int startX = 0;
int startY = 0;
int endX, width = effect->_imageSize.width();
int endY, height = effect->_imageSize.height();
int spread = 0;
bool argsOK = false;
if ( argCount == 10 && PyArg_ParseTuple(args, "iiiiiiiiOi", &startRX, &startRY, &width, &height, &startX, &startY, &endX, &endY, &bytearray, &spread) )
{
argsOK = true;
}
if ( argCount == 6 && PyArg_ParseTuple(args, "iiiiOi", &startX, &startY, &endX, &endY, &bytearray, &spread) )
{
argsOK = true;
}
if (argsOK)
{
if (PyByteArray_Check(bytearray))
{
const int length = PyByteArray_Size(bytearray);
const unsigned arrayItemLength = 5;
if (length % arrayItemLength == 0)
{
QRect myQRect(startRX,startRY,width,height);
QLinearGradient gradient(QPoint(startX,startY), QPoint(endX,endY));
char * data = PyByteArray_AS_STRING(bytearray);
for (int idx=0; idx<length; idx+=arrayItemLength)
{
gradient.setColorAt(
((uint8_t)data[idx])/255.0,
QColor(
(uint8_t)(data[idx+1]),
(uint8_t)(data[idx+2]),
(uint8_t)(data[idx+3]),
(uint8_t)(data[idx+4])
));
}
gradient.setSpread(static_cast<QGradient::Spread>(spread));
effect->_painter->fillRect(myQRect, gradient);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 5");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "No bytearray properly defined");
return nullptr;
}
}
return nullptr;
}
PyObject* EffectModule::wrapImageConicalGradient(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
PyObject * bytearray = nullptr;
int centerX, centerY, angle;
int startX = 0;
int startY = 0;
int width = effect->_imageSize.width();
int height = effect->_imageSize.height();
bool argsOK = false;
if ( argCount == 8 && PyArg_ParseTuple(args, "iiiiiiiO", &startX, &startY, &width, &height, &centerX, &centerY, &angle, &bytearray) )
{
argsOK = true;
}
if ( argCount == 4 && PyArg_ParseTuple(args, "iiiO", &centerX, &centerY, &angle, &bytearray) )
{
argsOK = true;
}
angle = qMax(qMin(angle,360),0);
if (argsOK)
{
if (PyByteArray_Check(bytearray))
{
const int length = PyByteArray_Size(bytearray);
const unsigned arrayItemLength = 5;
if (length % arrayItemLength == 0)
{
QRect myQRect(startX,startY,width,height);
QConicalGradient gradient(QPoint(centerX,centerY), angle );
char * data = PyByteArray_AS_STRING(bytearray);
for (int idx=0; idx<length; idx+=arrayItemLength)
{
gradient.setColorAt(
((uint8_t)data[idx])/255.0,
QColor(
(uint8_t)(data[idx+1]),
(uint8_t)(data[idx+2]),
(uint8_t)(data[idx+3]),
(uint8_t)(data[idx+4])
));
}
effect->_painter->fillRect(myQRect, gradient);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 5");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Argument 8 is not a bytearray");
return nullptr;
}
}
return nullptr;
}
PyObject* EffectModule::wrapImageRadialGradient(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
PyObject * bytearray = nullptr;
int centerX, centerY, radius, focalX, focalY, focalRadius, spread;
int startX = 0;
int startY = 0;
int width = effect->_imageSize.width();
int height = effect->_imageSize.height();
bool argsOK = false;
if ( argCount == 12 && PyArg_ParseTuple(args, "iiiiiiiiiiOi", &startX, &startY, &width, &height, &centerX, &centerY, &radius, &focalX, &focalY, &focalRadius, &bytearray, &spread) )
{
argsOK = true;
}
if ( argCount == 9 && PyArg_ParseTuple(args, "iiiiiiiOi", &startX, &startY, &width, &height, &centerX, &centerY, &radius, &bytearray, &spread) )
{
argsOK = true;
focalX = centerX;
focalY = centerY;
focalRadius = radius;
}
if ( argCount == 8 && PyArg_ParseTuple(args, "iiiiiiOi", &centerX, &centerY, &radius, &focalX, &focalY, &focalRadius, &bytearray, &spread) )
{
argsOK = true;
}
if ( argCount == 5 && PyArg_ParseTuple(args, "iiiOi", &centerX, &centerY, &radius, &bytearray, &spread) )
{
argsOK = true;
focalX = centerX;
focalY = centerY;
focalRadius = radius;
}
if (argsOK)
{
if (PyByteArray_Check(bytearray))
{
int length = PyByteArray_Size(bytearray);
if (length % 4 == 0)
{
QRect myQRect(startX,startY,width,height);
QRadialGradient gradient(QPoint(centerX,centerY), qMax(radius,0) );
char * data = PyByteArray_AS_STRING(bytearray);
for (int idx=0; idx<length; idx+=4)
{
gradient.setColorAt(
((uint8_t)data[idx])/255.0,
QColor(
(uint8_t)(data[idx+1]),
(uint8_t)(data[idx+2]),
(uint8_t)(data[idx+3])
));
}
gradient.setSpread(static_cast<QGradient::Spread>(spread));
effect->_painter->fillRect(myQRect, gradient);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 4");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Last argument is not a bytearray");
return nullptr;
}
}
return nullptr;
}
PyObject* EffectModule::wrapImageDrawPolygon(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
PyObject * bytearray = nullptr;
int argCount = PyTuple_Size(args);
int r, g, b;
int a = 255;
bool argsOK = false;
if ( argCount == 5 && PyArg_ParseTuple(args, "Oiiii", &bytearray, &r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 4 && PyArg_ParseTuple(args, "Oiii", &bytearray, &r, &g, &b) )
{
argsOK = true;
}
if (argsOK)
{
if (PyByteArray_Check(bytearray))
{
int length = PyByteArray_Size(bytearray);
if (length % 2 == 0)
{
QVector <QPoint> points;
char * data = PyByteArray_AS_STRING(bytearray);
for (int idx=0; idx<length; idx+=2)
{
points.append(QPoint((int)(data[idx]),(int)(data[idx+1])));
}
QPainter * painter = effect->_painter;
QPen oldPen = painter->pen();
QPen newPen(QColor(r,g,b,a));
painter->setPen(newPen);
painter->setBrush(QBrush(QColor(r,g,b,a), Qt::SolidPattern));
painter->drawPolygon(points);
painter->setPen(oldPen);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 2");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Argument 1 is not a bytearray");
return nullptr;
}
}
return nullptr;
}
PyObject* EffectModule::wrapImageDrawPie(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
PyObject * bytearray = nullptr;
QString brush;
int argCount = PyTuple_Size(args);
int radius, centerX, centerY;
int startAngle = 0;
int spanAngle = 360;
int r = 0;
int g = 0;
int b = 0;
int a = 255;
bool argsOK = false;
if ( argCount == 9 && PyArg_ParseTuple(args, "iiiiiiiii", &centerX, &centerY, &radius, &startAngle, &spanAngle, &r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 8 && PyArg_ParseTuple(args, "iiiiiiii", &centerX, &centerY, &radius, &startAngle, &spanAngle, &r, &g, &b) )
{
argsOK = true;
}
if ( argCount == 7 && PyArg_ParseTuple(args, "iiiiisO", &centerX, &centerY, &radius, &startAngle, &spanAngle, &brush, &bytearray) )
{
argsOK = true;
}
if ( argCount == 5 && PyArg_ParseTuple(args, "iiisO", &centerX, &centerY, &radius, &brush, &bytearray) )
{
argsOK = true;
}
if (argsOK)
{
QPainter * painter = effect->_painter;
startAngle = qMax(qMin(startAngle,360),0);
spanAngle = qMax(qMin(spanAngle,360),-360);
if( argCount == 7 || argCount == 5 )
{
a = 0;
if (PyByteArray_Check(bytearray))
{
int length = PyByteArray_Size(bytearray);
if (length % 5 == 0)
{
QConicalGradient gradient(QPoint(centerX,centerY), startAngle);
char * data = PyByteArray_AS_STRING(bytearray);
for (int idx=0; idx<length; idx+=5)
{
gradient.setColorAt(
((uint8_t)data[idx])/255.0,
QColor(
(uint8_t)(data[idx+1]),
(uint8_t)(data[idx+2]),
(uint8_t)(data[idx+3]),
(uint8_t)(data[idx+4])
));
}
painter->setBrush(gradient);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 5");
return nullptr;
}
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Last argument is not a bytearray");
return nullptr;
}
}
else
{
painter->setBrush(QBrush(QColor(r,g,b,a), Qt::SolidPattern));
}
QPen oldPen = painter->pen();
QPen newPen(QColor(r,g,b,a));
painter->setPen(newPen);
painter->drawPie(centerX - radius, centerY - radius, centerX + radius, centerY + radius, startAngle * 16, spanAngle * 16);
painter->setPen(oldPen);
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageSolidFill(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int r, g, b;
int a = 255;
int startX = 0;
int startY = 0;
int width = effect->_imageSize.width();
int height = effect->_imageSize.height();
bool argsOK = false;
if ( argCount == 8 && PyArg_ParseTuple(args, "iiiiiiii", &startX, &startY, &width, &height, &r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 7 && PyArg_ParseTuple(args, "iiiiiii", &startX, &startY, &width, &height, &r, &g, &b) )
{
argsOK = true;
}
if ( argCount == 4 && PyArg_ParseTuple(args, "iiii",&r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 3 && PyArg_ParseTuple(args, "iii",&r, &g, &b) )
{
argsOK = true;
}
if (argsOK)
{
QRect myQRect(startX,startY,width,height);
effect->_painter->fillRect(myQRect, QColor(r,g,b,a));
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageDrawLine(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int r, g, b;
int a = 255;
int startX = 0;
int startY = 0;
int thick = 1;
int endX = effect->_imageSize.width();
int endY = effect->_imageSize.height();
bool argsOK = false;
if ( argCount == 9 && PyArg_ParseTuple(args, "iiiiiiiii", &startX, &startY, &endX, &endY, &thick, &r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 8 && PyArg_ParseTuple(args, "iiiiiiii", &startX, &startY, &endX, &endY, &thick, &r, &g, &b) )
{
argsOK = true;
}
if (argsOK)
{
QPainter * painter = effect->_painter;
QRect myQRect(startX, startY, endX, endY);
QPen oldPen = painter->pen();
QPen newPen(QColor(r,g,b,a));
newPen.setWidth(thick);
painter->setPen(newPen);
painter->drawLine(startX, startY, endX, endY);
painter->setPen(oldPen);
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageDrawPoint(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int r, g, b, x, y;
int a = 255;
int thick = 1;
bool argsOK = false;
if ( argCount == 7 && PyArg_ParseTuple(args, "iiiiiii", &x, &y, &thick, &r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 6 && PyArg_ParseTuple(args, "iiiiii", &x, &y, &thick, &r, &g, &b) )
{
argsOK = true;
}
if (argsOK)
{
QPainter * painter = effect->_painter;
QPen oldPen = painter->pen();
QPen newPen(QColor(r,g,b,a));
newPen.setWidth(thick);
painter->setPen(newPen);
painter->drawPoint(x, y);
painter->setPen(oldPen);
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageDrawRect(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int r, g, b;
int a = 255;
int startX = 0;
int startY = 0;
int thick = 1;
int width = effect->_imageSize.width();
int height = effect->_imageSize.height();
bool argsOK = false;
if ( argCount == 9 && PyArg_ParseTuple(args, "iiiiiiiii", &startX, &startY, &width, &height, &thick, &r, &g, &b, &a) )
{
argsOK = true;
}
if ( argCount == 8 && PyArg_ParseTuple(args, "iiiiiiii", &startX, &startY, &width, &height, &thick, &r, &g, &b) )
{
argsOK = true;
}
if (argsOK)
{
QPainter * painter = effect->_painter;
QRect myQRect(startX,startY,width,height);
QPen oldPen = painter->pen();
QPen newPen(QColor(r,g,b,a));
newPen.setWidth(thick);
painter->setPen(newPen);
painter->drawRect(startX, startY, width, height);
painter->setPen(oldPen);
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageSetPixel(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int r, g, b, x, y;
if ( argCount == 5 && PyArg_ParseTuple(args, "iiiii", &x, &y, &r, &g, &b ) )
{
effect->_image.setPixel(x,y,qRgb(r,g,b));
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageGetPixel(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int x, y;
if ( argCount == 2 && PyArg_ParseTuple(args, "ii", &x, &y) )
{
QRgb rgb = effect->_image.pixel(x,y);
return Py_BuildValue("iii",qRed(rgb),qGreen(rgb),qBlue(rgb));
}
return nullptr;
}
PyObject* EffectModule::wrapImageSave(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
QImage img(effect->_image.copy());
effect->_imageStack.append(img);
return Py_BuildValue("i", effect->_imageStack.size()-1);
}
PyObject* EffectModule::wrapImageMinSize(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int w, h;
int width = effect->_imageSize.width();
int height = effect->_imageSize.height();
if ( argCount == 2 && PyArg_ParseTuple(args, "ii", &w, &h) )
{
if (width<w || height<h)
{
delete effect->_painter;
effect->_image = effect->_image.scaled(qMax(width,w),qMax(height,h), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
effect->_imageSize = effect->_image.size();
effect->_painter = new QPainter(&(effect->_image));
}
return Py_BuildValue("ii", effect->_image.width(), effect->_image.height());
}
return nullptr;
}
PyObject* EffectModule::wrapImageWidth(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
return Py_BuildValue("i", effect->_imageSize.width());
}
PyObject* EffectModule::wrapImageHeight(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
return Py_BuildValue("i", effect->_imageSize.height());
}
PyObject* EffectModule::wrapImageCRotate(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int argCount = PyTuple_Size(args);
int angle;
if ( argCount == 1 && PyArg_ParseTuple(args, "i", &angle ) )
{
angle = qMax(qMin(angle,360),0);
effect->_painter->rotate(angle);
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageCOffset(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int offsetX = 0;
int offsetY = 0;
int argCount = PyTuple_Size(args);
if ( argCount == 2 )
{
PyArg_ParseTuple(args, "ii", &offsetX, &offsetY );
}
effect->_painter->translate(QPoint(offsetX,offsetY));
return Py_BuildValue("");
}
PyObject* EffectModule::wrapImageCShear(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
int sh,sv;
int argCount = PyTuple_Size(args);
if ( argCount == 2 && PyArg_ParseTuple(args, "ii", &sh, &sv ))
{
effect->_painter->shear(sh,sv);
return Py_BuildValue("");
}
return nullptr;
}
PyObject* EffectModule::wrapImageResetT(PyObject *self, PyObject *args)
{
Effect * effect = getEffect();
effect->_painter->resetTransform();
return Py_BuildValue("");
}
Effect * EffectModule::getEffect()
{
// extract the module from the runtime
PyObject * module = PyObject_GetAttrString(PyImport_AddModule("__main__"), "hyperion");
if (!PyModule_Check(module))
{
// something is wrong
Py_XDECREF(module);
Error(Logger::getInstance("EFFECTENGINE"), "Unable to retrieve the effect object from the Python runtime");
return nullptr;
}
// retrieve the capsule with the effect
PyObject * effectCapsule = PyObject_GetAttrString(module, "__effectObj");
Py_XDECREF(module);
if (!PyCapsule_CheckExact(effectCapsule))
{
// something is wrong
Py_XDECREF(effectCapsule);
Error(Logger::getInstance("EFFECTENGINE"), "Unable to retrieve the effect object from the Python runtime");
return nullptr;
}
// Get the effect from the capsule
Effect * effect = reinterpret_cast<Effect *>(PyCapsule_GetPointer(effectCapsule, nullptr));
Py_XDECREF(effectCapsule);
return effect;
}