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293 lines (220 loc) · 8.28 KB
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#pragma once
#include "_python.h"
#include "interpreter.h"
#include "helpers.h"
namespace matplotlibcpp {
inline void figure()
{
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_figure, detail::_interpreter::get().s_python_empty_tuple);
if(!res) throw std::runtime_error("Call to figure() failed.");
Py_DECREF(res);
}
inline void legend()
{
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_legend, detail::_interpreter::get().s_python_empty_tuple);
if(!res) throw std::runtime_error("Call to legend() failed.");
Py_DECREF(res);
}
template<typename Numeric>
void ylim(Numeric left, Numeric right)
{
PyObject* list = PyList_New(2);
PyList_SetItem(list, 0, PyFloat_FromDouble(left));
PyList_SetItem(list, 1, PyFloat_FromDouble(right));
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, list);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_ylim, args);
if(!res) throw std::runtime_error("Call to ylim() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
template<typename Numeric>
void xlim(Numeric left, Numeric right)
{
PyObject* list = PyList_New(2);
PyList_SetItem(list, 0, PyFloat_FromDouble(left));
PyList_SetItem(list, 1, PyFloat_FromDouble(right));
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, list);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_xlim, args);
if(res == nullptr) throw std::runtime_error("Call to xlim() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline double* xlim()
{
PyObject* args = PyTuple_New(0);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_xlim, args);
PyObject* left = PyTuple_GetItem(res,0);
PyObject* right = PyTuple_GetItem(res,1);
double* arr = new double[2];
arr[0] = PyFloat_AsDouble(left);
arr[1] = PyFloat_AsDouble(right);
if(res == nullptr) throw std::runtime_error("Call to xlim() failed.");
Py_DECREF(res);
return arr;
}
inline double* ylim()
{
PyObject* args = PyTuple_New(0);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_ylim, args);
PyObject* left = PyTuple_GetItem(res,0);
PyObject* right = PyTuple_GetItem(res,1);
double* arr = new double[2];
arr[0] = PyFloat_AsDouble(left);
arr[1] = PyFloat_AsDouble(right);
if(res == nullptr) throw std::runtime_error("Call to ylim() failed.");
Py_DECREF(res);
return arr;
}
inline void subplot(long nrows, long ncols, long plot_number)
{
// construct positional args
PyObject* args = PyTuple_New(3);
PyTuple_SetItem(args, 0, PyFloat_FromDouble(nrows));
PyTuple_SetItem(args, 1, PyFloat_FromDouble(ncols));
PyTuple_SetItem(args, 2, PyFloat_FromDouble(plot_number));
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_subplot, args);
if(res == nullptr) throw std::runtime_error("Call to subplot() failed.");
Py_DECREF(args);
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 == nullptr) throw std::runtime_error("Call to title() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void axis(const std::string &axisstr)
{
PyObject* str = PyString_FromString(axisstr.c_str());
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, str);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_axis, args);
if(res == nullptr) throw std::runtime_error("Call to title() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void xlabel(const std::string &str)
{
PyObject* pystr = PyString_FromString(str.c_str());
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, pystr);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_xlabel, args);
if(res == nullptr) throw std::runtime_error("Call to xlabel() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void ylabel(const std::string &str)
{
PyObject* pystr = PyString_FromString(str.c_str());
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, pystr);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_ylabel, args);
if(res == nullptr) throw std::runtime_error("Call to ylabel() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void grid(bool flag)
{
PyObject* pyflag = flag ? Py_True : Py_False;
Py_INCREF(pyflag);
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, pyflag);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_grid, args);
if(res == nullptr) throw std::runtime_error("Call to grid() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void show(const bool block = true)
{
PyObject* res;
if(block)
{
res = PyObject_CallObject(
detail::_interpreter::get().s_python_function_show,
detail::_interpreter::get().s_python_empty_tuple);
}
else
{
PyObject *kwargs = PyDict_New();
PyDict_SetItemString(kwargs, "block", Py_False);
res = PyObject_Call( detail::_interpreter::get().s_python_function_show, detail::_interpreter::get().s_python_empty_tuple, kwargs);
Py_DECREF(kwargs);
}
if (res == nullptr) throw std::runtime_error("Call to show() failed.");
Py_DECREF(res);
}
inline void close()
{
PyObject* res = PyObject_CallObject(
detail::_interpreter::get().s_python_function_close,
detail::_interpreter::get().s_python_empty_tuple);
if (!res) throw std::runtime_error("Call to close() failed.");
Py_DECREF(res);
}
inline void xkcd() {
PyObject* res;
PyObject *kwargs = PyDict_New();
res = PyObject_Call(detail::_interpreter::get().s_python_function_xkcd,
detail::_interpreter::get().s_python_empty_tuple, kwargs);
Py_DECREF(kwargs);
if (res == nullptr)
throw std::runtime_error("Call to show() failed.");
Py_DECREF(res);
}
inline void draw()
{
PyObject* res = PyObject_CallObject(
detail::_interpreter::get().s_python_function_draw,
detail::_interpreter::get().s_python_empty_tuple);
if (res == nullptr) throw std::runtime_error("Call to draw() failed.");
Py_DECREF(res);
}
template<typename Numeric>
inline void pause(Numeric interval)
{
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, PyFloat_FromDouble(interval));
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_pause, args);
if(res == nullptr) throw std::runtime_error("Call to pause() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void save(const std::string& filename)
{
PyObject* pyfilename = PyString_FromString(filename.c_str());
PyObject* args = PyTuple_New(1);
PyTuple_SetItem(args, 0, pyfilename);
PyObject* res = PyObject_CallObject(detail::_interpreter::get().s_python_function_save, args);
if (res == nullptr) throw std::runtime_error("Call to save() failed.");
Py_DECREF(args);
Py_DECREF(res);
}
inline void clf() {
PyObject *res = PyObject_CallObject(
detail::_interpreter::get().s_python_function_clf,
detail::_interpreter::get().s_python_empty_tuple);
if (res == nullptr) throw std::runtime_error("Call to clf() failed.");
Py_DECREF(res);
}
inline void ion() {
PyObject *res = PyObject_CallObject(
detail::_interpreter::get().s_python_function_ion,
detail::_interpreter::get().s_python_empty_tuple);
if (res == nullptr) throw std::runtime_error("Call to ion() failed.");
Py_DECREF(res);
}
// Actually, is there any reason not to call this automatically for every plot?
inline void tight_layout() {
PyObject *res = PyObject_CallObject(
detail::_interpreter::get().s_python_function_tight_layout,
detail::_interpreter::get().s_python_empty_tuple);
if (res == nullptr) throw std::runtime_error("Call to tight_layout() failed.");
Py_DECREF(res);
}
} // end namespace matplotlibcpp