Add a Meter base class, rename VU Meter to DPM.
Jonathan Moore Liles
parent
43fe378e17
commit
0101ee43b9
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@ -17,22 +17,19 @@
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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/* a VU meter, either horizontal or vertical. Color is a gradient
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from min_color() to max_color(). box() is used to draw the
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/* a Digital Peak Meter, either horizontal or vertical. Color is a
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gradient from min_color() to max_color(). box() is used to draw the
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individual 'lights'. division() controls how many 'lights' there
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are. */
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are. value() is volume in dBFS */
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#include "VU_Meter.H"
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#include "DPM.H"
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#include <FL/Fl.H>
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#include <FL/fl_draw.H>
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VU_Meter::VU_Meter ( int X, int Y, int W, int H, const char *L ) :
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Fl_Widget( X, Y, W, H, L )
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DPM::DPM ( int X, int Y, int W, int H, const char *L ) :
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Meter( X, Y, W, H, L )
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{
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_peak = 0.0f;
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divisions( 32 );
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type( FL_VERTICAL );
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@ -42,19 +39,17 @@ VU_Meter::VU_Meter ( int X, int Y, int W, int H, const char *L ) :
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max_color( FL_RED );
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box( FL_ROUNDED_BOX );
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minimum( 0.0f );
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maximum( 1.0f );
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value( 0.0f );
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}
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/* which marks to draw beside meter */
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const int marks [] = { -70, -50, -40, -30, -10, -3, 0, 4 };
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void
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VU_Meter::draw ( void )
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DPM::draw ( void )
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{
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// draw_box( FL_FLAT_BOX, x(), y(), w(), h(), color() );
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int v = pos( value() );
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int pv = pos( _peak );
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int pv = pos( peak() );
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int bh = h() / _divisions;
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int bw = w() / _divisions;
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@ -75,21 +70,4 @@ VU_Meter::draw ( void )
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else
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draw_box( box(), x(), y() + h() - (p * bh), w(), bh, c );
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}
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if ( value() > _peak )
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_peak = value();
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}
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int
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VU_Meter::handle ( int m )
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{
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switch ( m )
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{
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case FL_PUSH:
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reset();
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break;
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}
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return 0;
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}
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@ -21,15 +21,11 @@
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#include <FL/Fl_Valuator.H> // for FL_HORIZONTAL and FL_VERTICAL
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class VU_Meter : public Fl_Widget
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#include "Meter.H"
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class DPM : public Meter
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{
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float _peak;
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float _value;
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float _minimum;
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float _maximum;
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int _type;
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int _divisions;
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float _dim;
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@ -37,27 +33,20 @@ class VU_Meter : public Fl_Widget
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Fl_Color _min_color;
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Fl_Color _max_color;
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int pos ( float v ) { return ( v / _maximum ) * _divisions; }
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int pos ( float v )
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{
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return deflection( v ) * _divisions;
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}
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protected:
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virtual void draw ( void );
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virtual int handle ( int m );
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public:
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VU_Meter ( int X, int Y, int W, int H, const char *L = 0 );
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DPM ( int X, int Y, int W, int H, const char *L = 0 );
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void maximum( float v ) { _maximum = v; redraw(); }
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float maximum ( void ) const { return _maximum; }
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void minimum ( float v ) { _minimum = v; redraw(); }
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float minimum ( void ) const { return _minimum; }
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void value ( float v ) { if ( pos( v ) != pos( _value ) ) redraw(); _value = v; }
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float value ( void ) const { return _value; }
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void reset ( void ) { _peak = 0.0f; }
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// void value ( float v ) { if ( pos( v ) != pos( value() ) ) redraw(); Meter::value( v ) }
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bool divisions ( void ) const { return _divisions; }
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void divisions ( int v ) { _divisions = v; }
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6
Makefile
6
Makefile
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@ -1,5 +1,5 @@
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CXXFLAGS=-ggdb -Wall -O0
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CXXFLAGS=-ggdb -Wall -O0 -fno-rtti -fno-exceptions
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#LIBS=-L/usr/lib/sox -I/usr/include/sox -lsox -lsfx
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LIBS=-lsndfile `fltk-config --ldflags`
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# CXXFLAGS=`fltk-config -cxxflags`
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@ -26,8 +26,8 @@ $(OBJS): Makefile
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test: $(OBJS)
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$(CXX) $(CXXFLAGS) $(LIBS) $(OBJS) -o $@
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mixer: Mixer_Strip.o Mixer.o
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$(CXX) $(CXXFLAGS) $(LIBS) Mixer_Strip.o Mixer.o -o $@
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mixer: Mixer_Strip.o Mixer.o DPM.o
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$(CXX) $(CXXFLAGS) $(LIBS) Mixer_Strip.o Mixer.o DPM.o -o $@
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ESRCS=Audio_File.C Audio_File_SF.C Loggable.C
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@ -2,7 +2,7 @@
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version 1.0108
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header_name {.H}
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code_name {.C}
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decl {\#include "VU_Meter.H"} {selected public global
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decl {\#include "DPM.H"} {public global
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}
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widget_class Mixer_Strip {open
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@ -42,9 +42,9 @@ widget_class Mixer_Strip {open
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xywh {14 195 33 471} type {Vert Knob} color 32 selection_color 1 minimum 1.5 maximum 0 step 0.01 value 1 textsize 14
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}
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Fl_Box meter {
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label VU
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label DPM selected
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xywh {57 193 55 484} box ROUNDED_BOX selection_color 88
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class VU_Meter
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class DPM
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}
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}
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Fl_Box {} {
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