research.m1stereo.tv/gitweb/ - melted/blob - mlt++/src/MltGeometry.cpp

   1 /**
   2  * MltGeometry.cpp - MLT Wrapper
   3  * Copyright (C) 2004-2005 Charles Yates
   4  * Author: Charles Yates <charles.yates@pandora.be>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as published
   8  * by the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include <stdlib.h>
  22 #include "MltGeometry.h"
  23 using namespace Mlt;
  24
  25 Geometry::Geometry( char *data, int length, int nw, int nh )
  26 {
  27         geometry = mlt_geometry_init( );
  28         parse( data, length, nw, nh );
  29 }
  30
  31 Geometry::~Geometry( )
  32 {
  33         mlt_geometry_close( geometry );
  34 }
  35
  36 int Geometry::parse( char *data, int length, int nw, int nh )
  37 {
  38         return mlt_geometry_parse( geometry, data, length, nw, nh );
  39 }
  40
  41 // Fetch a geometry item for an absolute position
  42 int Geometry::fetch( GeometryItem &item, float position )
  43 {
  44         return mlt_geometry_fetch( geometry, item.get_item( ), position );
  45 }
  46
  47 int Geometry::fetch( GeometryItem *item, float position )
  48 {
  49         return mlt_geometry_fetch( geometry, item->get_item( ), position );
  50 }
  51
  52 // Specify a geometry item at an absolute position
  53 int Geometry::insert( GeometryItem &item )
  54 {
  55         return mlt_geometry_insert( geometry, item.get_item( ) );
  56 }
  57
  58 int Geometry::insert( GeometryItem *item )
  59 {
  60         return mlt_geometry_insert( geometry, item->get_item( ) );
  61 }
  62
  63 // Remove the key at the specified position
  64 int Geometry::remove( int position )
  65 {
  66         return mlt_geometry_remove( geometry, position );
  67 }
  68
  69 // Get the key at the position or the next following
  70 int Geometry::next_key( GeometryItem &item, int position )
  71 {
  72         return mlt_geometry_next_key( geometry, item.get_item( ), position );
  73 }
  74
  75 int Geometry::next_key( GeometryItem *item, int position )
  76 {
  77         return mlt_geometry_next_key( geometry, item->get_item( ), position );
  78 }
  79
  80 int Geometry::prev_key( GeometryItem &item, int position )
  81 {
  82         return mlt_geometry_prev_key( geometry, item.get_item( ), position );
  83 }
  84
  85 int Geometry::prev_key( GeometryItem *item, int position )
  86 {
  87         return mlt_geometry_prev_key( geometry, item->get_item( ), position );
  88 }
  89
  90 // Serialise the current geometry
  91 char *Geometry::serialise( int in, int out )
  92 {
  93         return mlt_geometry_serialise_cut( geometry, in, out );
  94 }
  95
  96 char *Geometry::serialise( )
  97 {
  98         return mlt_geometry_serialise( geometry );
  99 }
 100