71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
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/*=============================================================================
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Copyright (C) 2014 Allied Vision Technologies. All Rights Reserved.
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Redistribution of this file, in original or modified form, without
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prior written consent of Allied Vision Technologies is prohibited.
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-------------------------------------------------------------------------------
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File: EventObserver.h
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Description: The EventObserver can be attached to a camera feature. On Feature
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changing the function FeatureChanged() is called.
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-------------------------------------------------------------------------------
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF TITLE,
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NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=============================================================================*/
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#include <iostream>
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#include "EventObserver.h"
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namespace AVT {
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namespace VmbAPI {
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namespace Examples {
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EventObserver::EventObserver( AVT::VmbAPI::CameraPtr pCam )
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: m_pCam( pCam )
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{
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}
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// Purpose: This function will be called when the observed feature is changing.
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//
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// Parameter:
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// [in ] const AVT::VmbAPI::FeaturePtr &feature changed feature
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//
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void EventObserver::FeatureChanged( const AVT::VmbAPI::FeaturePtr &feature )
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{
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if( feature != NULL )
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{
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std::string featureName;
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if ( !feature->GetName( featureName ) )
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{
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std::cout << featureName << " (Event) has changed to ";
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AVT::VmbAPI::FeaturePtr pFeature;
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VmbInt64_t nID;
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if ( !( m_pCam->GetFeatureByName( featureName.c_str(), pFeature ) )
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&& !( pFeature->GetValue( nID ) ) )
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{
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std::cout << nID << std::endl;
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}
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}
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else
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{
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std::cout << "An error occurred" << std::endl;
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}
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}
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}
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}}} // namespace AVT::VmbAPI::Examples
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