74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
|
|
/*******************************************************************************/
|
|
/* 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. */
|
|
/*******************************************************************************/
|
|
|
|
/* a Digital Peak Meter, either horizontal or vertical. Color is a
|
|
gradient from min_color() to max_color(). box() is used to draw the
|
|
individual 'lights'. division() controls how many 'lights' there
|
|
are. value() is volume in dBFS */
|
|
|
|
#include "DPM.H"
|
|
|
|
#include <FL/Fl.H>
|
|
#include <FL/fl_draw.H>
|
|
|
|
DPM::DPM ( int X, int Y, int W, int H, const char *L ) :
|
|
Meter( X, Y, W, H, L )
|
|
{
|
|
divisions( 64 );
|
|
type( FL_VERTICAL );
|
|
|
|
dim( 0.80f );
|
|
|
|
min_color( FL_GREEN );
|
|
max_color( FL_RED );
|
|
|
|
box( FL_ROUNDED_BOX );
|
|
}
|
|
|
|
/* which marks to draw beside meter */
|
|
const int marks [] = { -70, -50, -40, -30, -10, -3, 0, 4 };
|
|
|
|
void
|
|
DPM::draw ( void )
|
|
{
|
|
// draw_box( FL_FLAT_BOX, x(), y(), w(), h(), color() );
|
|
int v = pos( value() );
|
|
int pv = pos( peak() );
|
|
|
|
int bh = h() / _divisions;
|
|
int bw = w() / _divisions;
|
|
|
|
for ( int p = _divisions; p > 0; p-- )
|
|
{
|
|
Fl_Color c = fl_color_average( _max_color, _min_color, (float)p / _divisions );
|
|
|
|
if ( p > v && p != pv )
|
|
// c = fl_color_average( color(), c, _dim );
|
|
c = fl_color_average( FL_BLACK, c, _dim );
|
|
|
|
if ( ! active_r() )
|
|
c = fl_inactive( c );
|
|
|
|
if ( type() == FL_HORIZONTAL )
|
|
draw_box( box(), x() + (p * bw), y(), bw, h(), c );
|
|
else
|
|
draw_box( box(), x(), y() + h() - (p * bh), w(), bh, c );
|
|
}
|
|
}
|