wxPython module for OGL added.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3608 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/wxPython/modules/ogl/oglhelpers.cpp

@@ -0,0 +1,135 @@
+/////////////////////////////////////////////////////////////////////////////
+// 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;
+}
+
+
+//---------------------------------------------------------------------------
+// Convert a wxList to a Python List
+
+#include <ogl.h>
+
+PyObject* wxPy_ConvertList(wxList* list, char* className) {
+    PyObject*   pyList;
+    PyObject*   pyObj;
+    wxObject*   wxObj;
+    wxNode*     node = list->First();
+
+    bool doSave = wxPyRestoreThread();
+    pyList = PyList_New(0);
+    while (node) {
+        wxObj = node->Data();
+//        printf("%s class at %x : %x\n", wxObj->GetClassInfo()->GetClassName(), (void*)wxObj, (void*)((wxShape*)wxObj)->GetParent());
+        pyObj = wxPyConstructObject(wxObj, className);
+        PyList_Append(pyList, pyObj);
+        node = node->Next();
+    }
+//      for (int x=0; x<PyList_Size(pyList); x++) {
+//          PyObject* obj = PyList_GetItem(pyList, x);
+//          char* attr = PyString_AsString(PyObject_GetAttrString(obj, "this"));
+//          PyObject* par = PyObject_CallMethod(obj, "GetParent", NULL);
+//          char* parent;
+//          if (par != Py_None)
+//              parent = PyString_AsString(PyObject_GetAttrString(par, "this"));
+//          else
+//              parent = "None";
+//          printf("obj.this = %s  obj.GetParent().this = %s\n", attr, parent);
+//      }
+//    printf("--------\n");
+    wxPySaveThread(doSave);
+    return pyList;
+}
+
+//---------------------------------------------------------------------------
+
+
+
+
+