non/Timeline/Region.H

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/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
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// class Track;
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// #include "Waveform.H"
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#include "Audio_File.H"
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#include "Track.H"
#include "Timeline.H"
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#include <algorithm>
using namespace std;
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/* Regions are "virtual" FLTK widgets; this is necessary because the
* dimensions of real FLTK widgets are limited to 16-bits, which is
* far too little for our purposes */
#include "Track_Widget.H"
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#include "Loggable.H"
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/* got I hate C++ */
#define __CLASS__ "Region"
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class Region : public Track_Widget
{
Audio_File *_clip; /* clip this region represents */
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float _scale; /* amplitude adjustment */
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static Fl_Boxtype _box;
static Fl_Color _selection_color;
static Fl_Color selection_color ( void ) { return _selection_color; }
static void selection_color ( Fl_Color v ) { _selection_color = v; }
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enum trim_e { NO, LEFT, RIGHT };
void trim ( enum trim_e t, int X );
void init ( void );
protected:
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const char *class_name ( void ) { return "Region"; }
char ** get ( void )
{
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// char *r;
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char **sa = (char**)malloc( sizeof( char* ) * 8 );
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int i = 0;
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asprintf( &sa[ i++ ], ":source \"%s\"", _clip ? _clip->name() : "" );
asprintf( &sa[ i++ ], ":track 0x%X", _track ? _track->id() : 0 );
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asprintf( &sa[ i++ ], ":x %lu", _offset );
asprintf( &sa[ i++ ], ":l %lu", _start );
asprintf( &sa[ i++ ], ":r %lu", _end );
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asprintf( &sa[ i++ ], ":selected %d", selected() );
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asprintf( &sa[ i++ ], ":gain %f", _scale );
sa[ i ] = NULL;
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return sa;
}
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void
set ( char **sa )
{
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for ( int i = 0; sa[i]; ++i )
{
char *s = sa[i];
strtok( s, " " );
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char *v = s + strlen( s ) + 1;
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if ( *v == '"' )
{
v++;
v[ strlen( v ) - 2 ] = '\0';
}
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if ( ! strcmp( s, ":x" ) )
_offset = atol( v );
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else if ( ! strcmp( s, ":l" ) )
_start = atol( v );
else if ( ! strcmp( s, ":r" ) )
_end = atol( v );
else if ( ! strcmp( s, ":selected" ) )
{
if ( atoi( v ) )
select();
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else
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deselect();
}
else if ( ! strcmp( s, ":gain" ) )
_scale = atof( v );
else if ( ! strcmp( s, ":source" ) )
{
if ( ! ( _clip = Audio_File::from_file( v ) ) )
{
printf( "Grave error: could not open source \"%s\"\n", v );
}
}
else if ( ! strcmp( s, ":track" ) )
{
int i;
sscanf( v, "%X", &i );
Track *t = (Track*)Loggable::find( i );
assert( t );
t->add( this );
}
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free( s );
}
free( sa );
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if ( _track )
_track->redraw();
}
Region ( )
{
init();
}
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bool current ( void ) const { return this == Track::belowmouse(); }
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public:
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/* for loggable */
static Loggable *
create ( char **sa )
{
Region *r = new Region;
r->set( sa );
return (Loggable *)r;
}
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~Region ( )
{
log_destroy();
}
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Fl_Boxtype box ( void ) const { return Region::_box; }
Fl_Align align ( void ) const { return (Fl_Align)(FL_ALIGN_LEFT | FL_ALIGN_BOTTOM /*| FL_ALIGN_CLIP*/ | FL_ALIGN_INSIDE); }
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Region ( const Region & rhs );
Region ( Audio_File *c );
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Region ( Audio_File *c, Track *t, nframes_t o );
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int handle ( int m );
void draw_box( int X, int Y, int W, int H );
void draw ( int X, int Y, int W, int H );
void resize ( void );
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void normalize ( void );
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void dump ( void );
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};
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#undef __CLASS__