wxWidgets/utils/wxPython/modules/ogl/oglhelpers.cpp
1999-09-13 19:28:10 +00:00

104 lines
3.1 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: oglhelpers.cpp
// Purpose: Some Helper functions to help in data conversions in OGL
//
// Author: Robin Dunn
//
// Created: 3-Sept-1999
// RCS-ID: $Id$
// Copyright: (c) 1998 by Total Control Software
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#include <Python.h>
#include "helpers.h"
//---------------------------------------------------------------------------
// This one will work for any class for the VERY generic cases, but beyond that
// the helper needs to know more about the type.
wxList* wxPy_wxListHelper(PyObject* pyList, char* className) {
bool doSave = wxPyRestoreThread();
if (!PyList_Check(pyList)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
wxPySaveThread(doSave);
return NULL;
}
int count = PyList_Size(pyList);
wxList* list = new wxList;
if (! list) {
PyErr_SetString(PyExc_MemoryError, "Unable to allocate wxList object");
wxPySaveThread(doSave);
return NULL;
}
for (int x=0; x<count; x++) {
PyObject* pyo = PyList_GetItem(pyList, x);
wxObject* wxo = NULL;
if (SWIG_GetPtrObj(pyo, (void **)&wxo, className)) {
char errmsg[1024];
sprintf(errmsg, "Type error, expected list of %s objects", className);
PyErr_SetString(PyExc_TypeError, errmsg);
wxPySaveThread(doSave);
return NULL;
}
list->Append(wxo);
}
wxPySaveThread(doSave);
return list;
}
//---------------------------------------------------------------------------
wxList* wxPy_wxRealPoint_ListHelper(PyObject* pyList) {
bool doSave = wxPyRestoreThread();
if (!PyList_Check(pyList)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
wxPySaveThread(doSave);
return NULL;
}
int count = PyList_Size(pyList);
wxList* list = new wxList;
if (! list) {
PyErr_SetString(PyExc_MemoryError, "Unable to allocate wxList object");
wxPySaveThread(doSave);
return NULL;
}
for (int x=0; x<count; x++) {
PyObject* pyo = PyList_GetItem(pyList, x);
if (PyTuple_Check(pyo)) {
PyObject* o1 = PyNumber_Float(PyTuple_GetItem(pyo, 0));
PyObject* o2 = PyNumber_Float(PyTuple_GetItem(pyo, 1));
double val1 = (o1 ? PyFloat_AsDouble(o1) : 0.0);
double val2 = (o2 ? PyFloat_AsDouble(o2) : 0.0);
list->Append((wxObject*) new wxRealPoint(val1, val2));
} else {
wxRealPoint* wxo = NULL;
if (SWIG_GetPtrObj(pyo, (void **)&wxo, "_wxRealPoint_p")) {
PyErr_SetString(PyExc_TypeError, "Type error, expected list of wxRealPoint objects or 2-tuples");
wxPySaveThread(doSave);
return NULL;
}
list->Append((wxObject*) new wxRealPoint(*wxo));
}
}
wxPySaveThread(doSave);
return list;
}
//---------------------------------------------------------------------------