"atomic bomb" commit. Reorganized OpenCV directory structure

interfaces/swig/python/pyhelpers.h

@@ -0,0 +1,44 @@
+#ifndef PYHELPERS_H
+#define PYHELPERS_H
+
+#include <Python.h>
+#include <cxcore.h>
+#include <cv.h>
+
+/** convert python index object (tuple, integer, or slice) to CvRect for subsequent cvGetSubMat call */
+CvRect PySlice_to_CvRect(CvArr * src, PyObject * idx_object);
+
+/** 1 if rectangle is a subrectangle of [0,0,w,h], 0 otherwise */
+int CheckSliceBounds(CvRect * rect, int w, int h );
+
+/// convert object that supports the array protocol to CvMat *
+CvArr * PyArray_to_CvArr (PyObject * obj);
+
+/// convert nested sequences to CvMat *
+CvArr * PySequence_to_CvArr (PyObject * obj);
+
+/** prints array to stdout 
+ *  TODO: python __str__ and __repr__ return strings, so this should write to a string 
+ */
+void cvArrPrint (CvArr * mat);
+
+/** Convert an integer array to python tuple */
+PyObject * PyTuple_FromIntArray(int * arr, int len);
+	
+/** If result is not NULL or PyNone, release object and replace it with obj */
+PyObject * SWIG_SetResult(PyObject * result, PyObject * obj);
+	
+/** helper function to append one or more objects to the swig $result array */
+PyObject * SWIG_AppendResult(PyObject * result, PyObject ** to_add, int num);
+
+/** helper function to convert python scalar or sequence to int, float or double arrays */
+double PyObject_AsDouble(PyObject * obj);
+long PyObject_AsLong(PyObject * obj);
+
+int PyObject_AsDoubleArray(PyObject * obj, double * array, int len);
+int PyObject_AsLongArray(  PyObject * obj, int * array, int len);
+int PyObject_AsFloatArray(PyObject * obj, float * array, int len);
+
+static inline int cvCvToIplDepth(int type) { return cvIplDepth(type); }
+
+#endif //PYHELPERS_H