76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/* This file is a part of PlaYUVer project
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* Copyright (C) 2014-2018 by Joao Carreira (jfmcarreira@gmail.com)
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* Luis Lucas (luisfrlucas@gmail.com)
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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.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file FrameCrop.cpp
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* \brief Crop a region of an image
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*/
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#include "FrameCrop.h"
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FrameCrop::FrameCrop()
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{
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/* Module Definition */
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m_iModuleType = FRAME_PROCESSING_MODULE;
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m_pchModuleCategory = "Utilities";
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m_pchModuleName = "FrameCrop";
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m_pchModuleTooltip = "Crop a region of a frame";
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m_uiNumberOfFrames = MODULE_REQUIRES_ONE_FRAME;
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m_uiModuleRequirements = MODULE_REQUIRES_OPTIONS;
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m_cModuleOptions.addOptions() /**/
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( "xPosition", m_uiXPosition, "X cordinate of the left-top corner of the crop region [0]" ) /**/
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( "yPosition", m_uiYPosition, "Y cordinate of the left-top corner of the crop region [0]" ) /**/
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( "width", m_iXSize, "Width of the crop region [-1]" ) /**/
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( "height", m_iYSize, "Height of the crop region [-1]" );
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m_pcCropedFrame = NULL;
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m_uiXPosition = 0;
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m_uiYPosition = 0;
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m_iXSize = -1;
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m_iYSize = -1;
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}
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Void FrameCrop::create( PlaYUVerFrame* frame )
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{
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m_pcCropedFrame = NULL;
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if( m_uiXPosition >= frame->getWidth() )
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m_uiXPosition = 0;
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if( m_uiYPosition >= frame->getHeight() )
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m_uiXPosition = 0;
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if( m_iXSize == -1 || ( m_uiXPosition + m_iXSize ) >= frame->getWidth() )
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m_iXSize = frame->getWidth() - m_uiXPosition;
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if( m_iYSize == -1 || ( m_uiYPosition + m_iYSize ) >= frame->getHeight() )
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m_iYSize = frame->getHeight() - m_uiYPosition;
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m_pcCropedFrame = new PlaYUVerFrame( m_iXSize, m_iYSize, frame->getPelFormat(), frame->getBitsPel() );
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}
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PlaYUVerFrame* FrameCrop::process( PlaYUVerFrame* frame )
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{
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m_pcCropedFrame->copyFrom( frame, m_uiXPosition, m_uiYPosition );
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return m_pcCropedFrame;
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}
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Void FrameCrop::destroy()
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{
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if( m_pcCropedFrame )
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delete m_pcCropedFrame;
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m_pcCropedFrame = NULL;
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}
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