/*******************************************************************************/ /* 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 #include // for FL_HORIZONTAL and FL_VERTICAL #include "Meter.H" class DPM : public Meter { char peak_string[10]; int _segments; int _pixels_per_segment; int _last_drawn_hi_segment; int pos ( float v ) { float pv = deflection( v ) * ( _segments - 1 ); return pv; } static float _dim; static Fl_Color _gradient[]; static Fl_Color _dim_gradient[]; Fl_Color div_color ( int i ) { return _gradient[ i * 127 / _segments ]; } Fl_Color dim_div_color ( int i ) { return _dim_gradient[ i * 127 / _segments ]; } protected: virtual void draw_label ( void ); virtual void draw ( void ); virtual void resize ( int, int, int, int ); void bbox ( int &X, int &Y, int &W, int &H ); public: DPM ( int X, int Y, int W, int H, const char *L = 0 ); void pixels_per_segment ( int v ) { _pixels_per_segment = v; } float dim ( void ) const { return _dim; } void dim ( float v ) { _dim = v; if ( visible_r() ) redraw(); } virtual void value ( float v ) { /* only trigger redraw for changes at or above our resolution*/ if ( pos( value() ) != pos( v ) && visible_r() ) damage( FL_DAMAGE_USER1 ); Meter::value( v ); } virtual float value ( void ) { return Meter::value(); } void update ( void ); static void blend ( int nbreaks, int* b, Fl_Color *c, Fl_Color bc ) { for ( int i = 0; i < nbreaks - 1; i++ ) { int k = 0; for ( int j = b[i]; j <= b[i+1]; j++, k++ ) _gradient[ j ] = fl_color_average( c[i+1], c[i], ( k ) / (float)(b[i+1] - b[i] )); } for ( int i = 0; i < 128; i++ ) _dim_gradient[ i ] = fl_color_average( FL_BLACK, _gradient[ i ], _dim ); } };