Fawkes API
Fawkes Development Version
factory.h
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/***************************************************************************
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* factory.h - Camera factory
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*
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* Created: Wed Apr 11 14:40:22 2007
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* Copyright 2005-2007 Tim Niemueller [www.niemueller.de]
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*
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****************************************************************************/
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/* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version. A runtime exception applies to
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* this software (see LICENSE.GPL_WRE file mentioned below for details).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* Read the full text in the LICENSE.GPL_WRE file in the doc directory.
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*/
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#ifndef _FIREVISION_CAMS_FACTORY_H_
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#define _FIREVISION_CAMS_FACTORY_H_
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#include <core/exception.h>
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#include <core/exceptions/software.h>
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#include <fvcams/cam_exceptions.h>
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#include <fvcams/camera.h>
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#include <cstddef>
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namespace
firevision {
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class
CameraArgumentParser;
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class
CameraFactory
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{
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public
:
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static
Camera *
instance
(
const
char
*as);
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static
Camera *
instance
(
const
CameraArgumentParser *cap);
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/** Get typed instance of camera.
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* Creates a new instance and converts it to the requested type. If the type
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* does not match the requested camera an exception is thrown.
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* @param as camera argument string
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* @return typed camera instance
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* @exception TypeMismatchException thrown, if requested camera does not match
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* requested type.
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*/
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template
<
class
C>
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static
C *
instance
(
const
char
*as);
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};
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template
<
class
C>
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C *
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CameraFactory::instance
(
const
char
*as)
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{
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Camera
*c =
CameraFactory::instance
(as);
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C * tc =
dynamic_cast<
C *
>
(c);
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if
(tc == NULL) {
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throw
fawkes::TypeMismatchException
(
"Returned camera is not of expected type"
);
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}
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return
tc;
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}
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}
// end namespace firevision
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#endif
fawkes::TypeMismatchException
Definition:
software.h:49
firevision::CameraFactory::instance
static Camera * instance(const char *as)
Get camera instance.
Definition:
factory.cpp:228
firevision::Camera
Definition:
camera.h:38
src
libs
fvcams
factory.h
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