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light clock (#260)

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* extend image effects
add a basic light clock

* add alpha values  to rainbow

* some effect tuning

* make seconds hand optional and change color to yellow
make blue hours hand always visible
This commit is contained in:
redPanther
2016-10-01 21:34:30 +02:00
committed by GitHub
parent 5aa9edc1cd
commit 89afedf3d5
5 changed files with 131 additions and 16 deletions
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57
libsrc/effectengine/Effect.cpp
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@@ -27,6 +27,7 @@ PyMethodDef Effect::effectMethods[] = {
{"imageShow", Effect::wrapImageShow, METH_NOARGS, "set current effect image to hyperion core."},
{"imageCanonicalGradient", Effect::wrapImageCanonicalGradient, METH_VARARGS, ""},
{"imageRadialGradient" , Effect::wrapImageRadialGradient, METH_VARARGS, ""},
{"imageSolidFill" , Effect::wrapImageSolidFill, METH_VARARGS, ""},
// {"imageSetPixel",Effect::wrapImageShow, METH_VARARGS, "set pixel color of image"},
// {"imageGetPixel",Effect::wrapImageShow, METH_VARARGS, "get pixel color of image"},
{NULL, NULL, 0, NULL}
@@ -454,8 +455,9 @@ PyObject* Effect::wrapImageCanonicalGradient(PyObject *self, PyObject *args)
{
if (PyByteArray_Check(bytearray))
{
int length = PyByteArray_Size(bytearray);
if (length % 4 == 0)
const int length = PyByteArray_Size(bytearray);
const unsigned arrayItemLength = 5;
if (length % arrayItemLength == 0)
{
QPainter * painter = effect->_painter;
@@ -463,25 +465,25 @@ PyObject* Effect::wrapImageCanonicalGradient(PyObject *self, PyObject *args)
QConicalGradient gradient(QPoint(centerX,centerY), angle );
char * data = PyByteArray_AS_STRING(bytearray);
for (int idx=0; idx<length; idx+=4)
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+3]),
(uint8_t)(data[idx+4])
));
}
gradient.setSpread(QGradient::RepeatSpread);
painter->fillRect(myQRect, gradient);
return Py_BuildValue("");
}
else
{
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 4");
PyErr_SetString(PyExc_RuntimeError, "Length of bytearray argument should multiple of 5");
return nullptr;
}
}
@@ -582,6 +584,49 @@ PyObject* Effect::wrapImageRadialGradient(PyObject *self, PyObject *args)
}
}
PyObject* Effect::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("");
}
else
{
return nullptr;
}
}
Effect * Effect::getEffect()
{