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Add title function and example of it. #3

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Merged
merged 5 commits into from
Jan 16, 2016
Merged

Add title function and example of it. #3

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ef4af5b
add title function
AtsushiSakai Jan 16, 2016
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remove comment
AtsushiSakai Jan 16, 2016
622e276
format code
AtsushiSakai Jan 16, 2016
ace84ae
format code
AtsushiSakai Jan 16, 2016
335ffa6
format code
AtsushiSakai Jan 16, 2016
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4 changes: 3 additions & 1 deletion examples/basic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,10 @@ int main()

// Set x-axis to interval [0,1000000]
plt::xlim(0, 1000*1000);
// Add graph title
plt::title("sample figure");
// Enable legend.
plt::legend();
// Show plot
// save figure
plt::save("./basic.png");
}
17 changes: 17 additions & 0 deletions matplotlibcpp.h
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Expand Up @@ -23,6 +23,7 @@ namespace matplotlibcpp {
PyObject *s_python_function_legend;
PyObject *s_python_function_xlim;
PyObject *s_python_function_ylim;
PyObject *s_python_function_title;
PyObject *s_python_empty_tuple;

/* For now, _interpreter is implemented as a singleton since its currently not possible to have
Expand Down Expand Up @@ -60,6 +61,7 @@ namespace matplotlibcpp {
s_python_function_plot = PyObject_GetAttrString(pymod, "plot");
s_python_function_legend = PyObject_GetAttrString(pymod, "legend");
s_python_function_ylim = PyObject_GetAttrString(pymod, "ylim");
s_python_function_title = PyObject_GetAttrString(pymod, "title");
s_python_function_xlim = PyObject_GetAttrString(pymod, "xlim");

s_python_function_save = PyObject_GetAttrString(pylabmod, "savefig");
Expand All @@ -70,6 +72,7 @@ namespace matplotlibcpp {
|| !s_python_function_plot
|| !s_python_function_legend
|| !s_python_function_xlim
|| !s_python_function_title
|| !s_python_function_ylim)
{ throw std::runtime_error("Couldnt find required function!"); }

Expand All @@ -79,6 +82,7 @@ namespace matplotlibcpp {
|| !PyFunction_Check(s_python_function_plot)
|| !PyFunction_Check(s_python_function_legend)
|| !PyFunction_Check(s_python_function_xlim)
|| !PyFunction_Check(s_python_function_title)
|| !PyFunction_Check(s_python_function_ylim))
{ throw std::runtime_error("Python object is unexpectedly not a PyFunction."); }

Expand Down Expand Up @@ -244,6 +248,19 @@ namespace matplotlibcpp {
Py_DECREF(res);
}


inline void title(const std::string &titlestr)
{
PyObject* pytitlestr = PyString_FromString(titlestr.c_str());
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, pytitlestr);

PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_title, args);
if(!res) throw std::runtime_error("Call to title() failed.");

//if PyDeCRFF, the show function doesn't wook on Mac OS
}

inline void show()
{
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_show, detail::_interpreter::get().s_python_empty_tuple);
Expand Down