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mltpp/src/MltGeometry.cpp

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2.7 KiB

/**
* MltGeometry.cpp - MLT Wrapper
* Copyright (C) 2004-2005 Charles Yates
* Author: Charles Yates <charles.yates@pandora.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#include "MltGeometry.h"
using namespace Mlt;
Geometry::Geometry( char *data, int length, int nw, int nh )
{
geometry = mlt_geometry_init( );
parse( data, length, nw, nh );
}
Geometry::~Geometry( )
{
mlt_geometry_close( geometry );
}
int Geometry::parse( char *data, int length, int nw, int nh )
{
return mlt_geometry_parse( geometry, data, length, nw, nh );
}
// Fetch a geometry item for an absolute position
int Geometry::fetch( GeometryItem &item, float position )
{
return mlt_geometry_fetch( geometry, item.get_item( ), position );
}
int Geometry::fetch( GeometryItem *item, float position )
{
return mlt_geometry_fetch( geometry, item->get_item( ), position );
}
// Specify a geometry item at an absolute position
int Geometry::insert( GeometryItem &item )
{
return mlt_geometry_insert( geometry, item.get_item( ) );
}
int Geometry::insert( GeometryItem *item )
{
return mlt_geometry_insert( geometry, item->get_item( ) );
}
// Remove the key at the specified position
int Geometry::remove( int position )
{
return mlt_geometry_remove( geometry, position );
}
// Get the key at the position or the next following
int Geometry::next_key( GeometryItem &item, int position )
{
return mlt_geometry_next_key( geometry, item.get_item( ), position );
}
int Geometry::next_key( GeometryItem *item, int position )
{
return mlt_geometry_next_key( geometry, item->get_item( ), position );
}
int Geometry::prev_key( GeometryItem &item, int position )
{
return mlt_geometry_prev_key( geometry, item.get_item( ), position );
}
int Geometry::prev_key( GeometryItem *item, int position )
{
return mlt_geometry_prev_key( geometry, item->get_item( ), position );
}
// Serialise the current geometry
char *Geometry::serialise( int in, int out )
{
return mlt_geometry_serialise_cut( geometry, in, out );
}
char *Geometry::serialise( )
{
return mlt_geometry_serialise( geometry );
}