126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2021 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 FrameShift.cpp
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* \brief Shift image
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*/
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#include "FrameShift.h"
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FrameShift::FrameShift()
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{
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/* Module Definition */
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m_iModuleAPI = CLP_MODULE_API_2;
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m_iModuleType = CLP_FRAME_PROCESSING_MODULE;
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m_pchModuleCategory = "Utilities";
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m_pchModuleLongName = "Pixel Shift";
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m_pchModuleName = "FrameShift";
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m_pchModuleTooltip = "Shift frame horizontal and vertical";
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m_uiNumberOfFrames = 1;
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m_uiModuleRequirements = CLP_MODULE_REQUIRES_OPTIONS | CLP_MODULE_USES_KEYS;
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m_cModuleOptions.addOptions() /**/
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( "ShiftHorizontal", m_iShiftHor, "Amount of pixels to shift in horizontal direction" ) /**/
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( "ShiftVertical", m_iShiftVer, "Amount of pixels to shift in vertical direction" );
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m_pcProcessedFrame = NULL;
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m_iShiftHor = 0;
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m_iShiftVer = 0;
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}
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bool FrameShift::create( std::vector<CalypFrame*> apcFrameList )
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{
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_BASIC_MODULE_API_2_CHECK_
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m_pcProcessedFrame = new CalypFrame( apcFrameList[0] );
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return true;
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}
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CalypFrame* FrameShift::process( std::vector<CalypFrame*> apcFrameList )
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{
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ClpPel* pPelInput;
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ClpPel* pPelOut;
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m_pcProcessedFrame->reset();
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for( unsigned int ch = 0; ch < m_pcProcessedFrame->getNumberChannels(); ch++ )
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{
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unsigned int uiWidth = m_pcProcessedFrame->getWidth( ch );
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unsigned int uiHeight = m_pcProcessedFrame->getHeight( ch );
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int iShiftHor = m_iShiftHor >> ( ch > 0 ? m_pcProcessedFrame->getChromaWidthRatio() : 0 );
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int iShiftVer = m_iShiftVer >> ( ch > 0 ? m_pcProcessedFrame->getChromaHeightRatio() : 0 );
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unsigned int xStartIn = iShiftHor >= 0 ? 0 : -iShiftHor;
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unsigned int yStartIn = iShiftVer >= 0 ? 0 : -iShiftVer;
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unsigned int xStartOut = std::max( iShiftHor, 0 );
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unsigned int xEndOut = std::min( uiWidth, uiWidth + iShiftHor );
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unsigned int yStartOut = std::max( iShiftVer, 0 );
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unsigned int yEndOut = std::min( uiHeight, uiHeight + iShiftVer );
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for( unsigned int y = yStartOut, yIn = yStartIn; y < yEndOut; y++, yIn++ )
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{
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pPelInput = &( apcFrameList[0]->getPelBufferYUV()[ch][yIn][xStartIn] );
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pPelOut = &( m_pcProcessedFrame->getPelBufferYUV()[ch][y][xStartOut] );
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for( unsigned int x = xStartOut; x < xEndOut; x++ )
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{
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*pPelOut = *pPelInput;
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pPelInput++;
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pPelOut++;
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}
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}
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}
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return m_pcProcessedFrame;
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}
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bool FrameShift::keyPressed( enum Module_Key_Supported value )
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{
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if( value == MODULE_KEY_LEFT )
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{
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m_iShiftHor -= 1;
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return true;
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}
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if( value == MODULE_KEY_RIGHT )
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{
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m_iShiftHor += 1;
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return true;
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}
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if( value == MODULE_KEY_UP )
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{
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m_iShiftVer -= 1;
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return true;
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}
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if( value == MODULE_KEY_DOWN )
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{
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m_iShiftVer += 1;
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return true;
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}
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return false;
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}
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void FrameShift::destroy()
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{
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if( m_pcProcessedFrame )
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delete m_pcProcessedFrame;
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m_pcProcessedFrame = NULL;
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}
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