soc-2008-mxcurioni: completed implementing ViewEdgeIterator and ChainingIterator. Updated UnaryPredicate{0D,1D}

1 files changed, 182 insertions, 0 deletions

diff --git a/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp b/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp
index e69de29bb2d..c695e92ec70 100644
--- a/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp
+++ b/source/blender/freestyle/intern/python/Iterator/BPy_ChainingIterator.cpp
@@ -0,0 +1,182 @@
+#include "BPy_ChainingIterator.h"
+
+#include "../BPy_Convert.h"
+#include "../Interface0D/BPy_ViewVertex.h"
+#include "../Interface1D/BPy_ViewEdge.h"
+#include "BPy_AdjacencyIterator.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+/*---------------  Python API function prototypes for ChainingIterator instance  -----------*/
+static int ChainingIterator___init__(BPy_ChainingIterator *self, PyObject *args);
+static PyObject * ChainingIterator_init( BPy_ChainingIterator *self );
+static PyObject * ChainingIterator_traverse( BPy_ChainingIterator *self, PyObject *args );
+static PyObject * ChainingIterator_getVertex( BPy_ChainingIterator *self );
+static PyObject * ChainingIterator_isIncrementing( BPy_ChainingIterator *self );
+
+/*----------------------ChainingIterator instance definitions ----------------------------*/
+static PyMethodDef BPy_ChainingIterator_methods[] = {
+	{"init", ( PyCFunction ) ChainingIterator_init, METH_NOARGS, "() Inits the iterator context. This method is called each time a new chain is started. It can be used to reset some history information that you might want to keep."},
+	{"traverse", ( PyCFunction ) ChainingIterator_traverse, METH_VARARGS, "(AdjacencyIterator ai) This method iterates over the potential next ViewEdges and returns the one that will be followed next. Returns the next ViewEdge to follow or 0 when the end of the chain is reached. "},
+	{"getVertex", ( PyCFunction ) ChainingIterator_getVertex, METH_NOARGS, "() Returns the vertex which is the next crossing "},
+	{"isIncrementing", ( PyCFunction ) ChainingIterator_isIncrementing, METH_NOARGS, "() Returns true if the current iteration is an incrementation."},
+	{NULL, NULL, 0, NULL}
+};
+
+/*-----------------------BPy_ChainingIterator type definition ------------------------------*/
+
+PyTypeObject ChainingIterator_Type = {
+	PyObject_HEAD_INIT( NULL ) 
+	0,							/* ob_size */
+	"ChainingIterator",				/* tp_name */
+	sizeof( BPy_ChainingIterator ),	/* tp_basicsize */
+	0,							/* tp_itemsize */
+	
+	/* methods */
+	NULL,	/* tp_dealloc */
+	NULL,                       				/* printfunc tp_print; */
+	NULL,                       				/* getattrfunc tp_getattr; */
+	NULL,                       				/* setattrfunc tp_setattr; */
+	NULL,										/* tp_compare */
+	NULL,					/* tp_repr */
+
+	/* Method suites for standard classes */
+
+	NULL,                       /* PyNumberMethods *tp_as_number; */
+	NULL,                       /* PySequenceMethods *tp_as_sequence; */
+	NULL,                       /* PyMappingMethods *tp_as_mapping; */
+
+	/* More standard operations (here for binary compatibility) */
+
+	NULL,						/* hashfunc tp_hash; */
+	NULL,                       /* ternaryfunc tp_call; */
+	NULL,                       /* reprfunc tp_str; */
+	NULL,                       /* getattrofunc tp_getattro; */
+	NULL,                       /* setattrofunc tp_setattro; */
+
+	/* Functions to access object as input/output buffer */
+	NULL,                       /* PyBufferProcs *tp_as_buffer; */
+
+  /*** Flags to define presence of optional/expanded features ***/
+	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, 		/* long tp_flags; */
+
+	NULL,                       /*  char *tp_doc;  Documentation string */
+  /*** Assigned meaning in release 2.0 ***/
+	/* call function for all accessible objects */
+	NULL,                       /* traverseproc tp_traverse; */
+
+	/* delete references to contained objects */
+	NULL,                       /* inquiry tp_clear; */
+
+  /***  Assigned meaning in release 2.1 ***/
+  /*** rich comparisons ***/
+	NULL,                       /* richcmpfunc tp_richcompare; */
+
+  /***  weak reference enabler ***/
+	0,                          /* long tp_weaklistoffset; */
+
+  /*** Added in release 2.2 ***/
+	/*   Iterators */
+	NULL,                       /* getiterfunc tp_iter; */
+	NULL,                       /* iternextfunc tp_iternext; */
+
+  /*** Attribute descriptor and subclassing stuff ***/
+	BPy_ChainingIterator_methods,	/* struct PyMethodDef *tp_methods; */
+	NULL,                       	/* struct PyMemberDef *tp_members; */
+	NULL,         					/* struct PyGetSetDef *tp_getset; */
+	&ViewEdgeIterator_Type,				/* struct _typeobject *tp_base; */
+	NULL,							/* PyObject *tp_dict; */
+	NULL,							/* descrgetfunc tp_descr_get; */
+	NULL,							/* descrsetfunc tp_descr_set; */
+	0,                          	/* long tp_dictoffset; */
+	(initproc)ChainingIterator___init__,                       	/* initproc tp_init; */
+	NULL,							/* allocfunc tp_alloc; */
+	NULL,		/* newfunc tp_new; */
+	
+	/*  Low-level free-memory routine */
+	NULL,                       /* freefunc tp_free;  */
+	
+	/* For PyObject_IS_GC */
+	NULL,                       /* inquiry tp_is_gc;  */
+	NULL,                       /* PyObject *tp_bases; */
+	
+	/* method resolution order */
+	NULL,                       /* PyObject *tp_mro;  */
+	NULL,                       /* PyObject *tp_cache; */
+	NULL,                       /* PyObject *tp_subclasses; */
+	NULL,                       /* PyObject *tp_weaklist; */
+	NULL
+};
+
+//------------------------INSTANCE METHODS ----------------------------------
+
+int ChainingIterator___init__(BPy_ChainingIterator *self, PyObject *args )
+{	
+	PyObject *obj1 = 0, *obj2 = 0, *obj3 = 0, *obj4 = 0;
+
+	if (!( PyArg_ParseTuple(args, "O|OOO", &obj1, &obj2, &obj3, &obj4) ))
+	    return -1;
+
+	if( obj1 && BPy_ChainingIterator_Check(obj1)  ) {
+		self->c_it = new ChainingIterator(*( ((BPy_ChainingIterator *) obj1)->c_it ));
+	
+	} else {
+		bool restrictToSelection = ( obj1 && PyBool_Check(obj1) ) ? bool_from_PyBool(obj1) : true;
+		bool restrictToUnvisited = ( obj2 && PyBool_Check(obj2) ) ? bool_from_PyBool(obj2) : true;
+		ViewEdge *begin = ( obj3 && BPy_ViewEdge_Check(obj3) ) ? ((BPy_ViewEdge *) obj3)->ve : 0;
+		bool orientation = ( obj4 && PyBool_Check(obj4) ) ? bool_from_PyBool(obj4) : true;
+		
+		self->c_it = new ChainingIterator( restrictToSelection, restrictToUnvisited, begin, orientation);	
+	}
+	
+	self->py_ve_it.ve_it = self->c_it;
+	self->py_ve_it.py_it.it = self->c_it;
+	
+	return 0;
+}
+
+PyObject *ChainingIterator_init( BPy_ChainingIterator *self ) {
+	self->c_it->init();
+	
+	Py_RETURN_NONE;
+}
+
+PyObject *ChainingIterator_traverse( BPy_ChainingIterator *self, PyObject *args ) {
+	PyObject *py_a_it;
+
+	if(!( PyArg_ParseTuple(args, "O", &py_a_it) && BPy_AdjacencyIterator_Check(py_a_it) )) {
+		cout << "ERROR: ChainingIterator_traverse" << endl;
+		Py_RETURN_NONE;
+	}
+	
+	if( ((BPy_AdjacencyIterator *) py_a_it)->a_it )
+		self->c_it->traverse(*( ((BPy_AdjacencyIterator *) py_a_it)->a_it ));
+		
+	Py_RETURN_NONE;
+}
+
+
+PyObject *ChainingIterator_getVertex( BPy_ChainingIterator *self ) {
+	if( self->c_it->getVertex() )
+		return BPy_ViewVertex_from_ViewVertex_ptr( self->c_it->getVertex()  );
+		
+	Py_RETURN_NONE;
+}
+
+PyObject *ChainingIterator_isIncrementing( BPy_ChainingIterator *self ) {
+	return PyBool_from_bool( self->c_it->isIncrementing() );
+}
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+}
+#endif