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/*
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): Michel Selten, Willian P. Germano
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "gen_utils.h"
/*****************************************************************************/
/* Description: This function clamps an int to the given interval */
/* [min, max]. */
/*****************************************************************************/
int EXPP_ClampInt (int value, int min, int max)
{
if (value < min) return min;
else if (value > max) return max;
return value;
}
/*****************************************************************************/
/* Description: This function clamps a float to the given interval */
/* [min, max]. */
/*****************************************************************************/
float EXPP_ClampFloat (float value, float min, float max)
{
if (value < min) return min;
else if (value > max) return max;
return value;
}
/*****************************************************************************/
/* Description: This function returns true if both given strings are equal, */
/* otherwise it returns false. */
/*****************************************************************************/
int StringEqual (char * string1, char * string2)
{
return (strcmp(string1, string2)==0);
}
/*****************************************************************************/
/* Description: This function returns the name of the given ID struct */
/* without the Object type identifying characters prepended. */
/*****************************************************************************/
char * GetIdName (ID *id)
{
return ((id->name)+2);
}
/*****************************************************************************/
/* Description: This function returns the ID of the object with given name */
/* from a given list. */
/*****************************************************************************/
ID *GetIdFromList(ListBase *list, char *name)
{
ID *id = list->first;
while (id) {
if(strcmp(name, id->name+2) == 0) break;
id= id->next;
}
return id;
}
/*****************************************************************************/
/* Description: These functions set an internal string with the given type */
/* and error_msg arguments. */
/*****************************************************************************/
PyObject * PythonReturnErrorObject (PyObject * type, char * error_msg)
{
PyErr_SetString (type, error_msg);
return (NULL);
}
PyObject *EXPP_ReturnPyObjError (PyObject * type, char * error_msg)
{ /* same as above, just to change its name smoothly */
PyErr_SetString (type, error_msg);
return NULL;
}
int EXPP_ReturnIntError (PyObject *type, char *error_msg)
{
PyErr_SetString (type, error_msg);
return -1;
}
/*****************************************************************************/
/* Description: This function increments the reference count of the given */
/* Python object (usually Py_None) and returns it. */
/*****************************************************************************/
PyObject * PythonIncRef (PyObject *object)
{
Py_INCREF (object);
return (object);
}
PyObject *EXPP_incr_ret (PyObject *object)
{
Py_INCREF (object);
return (object);
}
/*****************************************************************************/
/* Description: This function maps the event identifier to a string. */
/*****************************************************************************/
char * event_to_name(short event)
{
switch (event)
{
case SCRIPT_FRAMECHANGED:
return "FrameChanged";
case SCRIPT_ONLOAD:
return "OnLoad";
case SCRIPT_REDRAW:
return "Redraw";
default:
return "Unknown";
}
}
/*****************************************************************************/
/* Description: Returns the object with the name specified by the argument */
/* name. Note that the calling function has to remove the first */
/* two characters of the object name. These two characters */
/* specify the type of the object (OB, ME, WO, ...) */
/* The function will return NULL when no object with the given */
/* name is found. */
/*****************************************************************************/
struct Object * GetObjectByName (char * name)
{
Object * obj_iter;
obj_iter = G.main->object.first;
while (obj_iter)
{
if (StringEqual (name, GetIdName (&(obj_iter->id))))
{
return (obj_iter);
}
obj_iter = obj_iter->id.next;
}
/* There is no object with the given name */
return (NULL);
}
/*****************************************************************************/
/* Description: Checks whether all objects in a PySequence are of a same */
/* given type. Returns 0 if not, 1 on success. */
/*****************************************************************************/
int EXPP_check_sequence_consistency(PyObject *seq, PyTypeObject *against)
{
PyObject *ob;
int len = PySequence_Length(seq);
int i;
for (i = 0; i < len; i++) {
ob = PySequence_GetItem(seq, i);
if (ob->ob_type != against) {
Py_DECREF(ob);
return 0;
}
Py_DECREF(ob);
}
return 1;
}
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