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More work on panner.

This commit is contained in:
Jonathan Moore Liles 2008-03-13 20:45:49 -05:00
parent 153dc533ba
commit 2715326ee7
1 changed files with 94 additions and 4 deletions
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96
Panner.C
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@ -20,6 +20,8 @@
#include "Panner.H"
#include <math.h>
/* 2D Panner widget. Supports various multichannel configurations. */
enum {
@ -55,6 +57,31 @@ int Panner::_configs[][12] =
};
/* speaker symbol */
#define BP fl_begin_polygon()
#define EP fl_end_polygon()
#define BCP fl_begin_complex_polygon()
#define ECP fl_end_complex_polygon()
#define BL fl_begin_line()
#define EL fl_end_line()
#define BC fl_begin_loop()
#define EC fl_end_loop()
#define vv(x,y) fl_vertex(x,y)
static void draw_speaker ( Fl_Color col )
{
fl_color(col);
BP; vv(0.2,0.4); vv(0.6,0.4); vv(0.6,-0.4); vv(0.2,-0.4); EP;
BP; vv(-0.6,0.8); vv(0.2,0.0); vv(-0.6,-0.8); EP;
fl_color( fl_darker( col ) );
BC; vv(0.2,0.4); vv(0.6,0.4); vv(0.6,-0.4); vv(0.2,-0.4); EC;
BC; vv(-0.6,0.8); vv(0.2,0.0); vv(-0.6,-0.8); EC;
}
Panner::Point *
Panner::event_point ( void )
{
@ -78,11 +105,34 @@ Panner::event_point ( void )
return NULL;
}
#if 0
/* translate angle /a/ into x/y coords and place the result in /X/ and /Y/ */
void
Panner::angle_to_axes ( float a, float *X, float *Y )
{
float A;
// int X, Y;
A = a * ( M_PI / 180 );
float r = tw / 2;
X = r * cos( A );
Y = -r * sin( A );
/* fl_push_matrix(); */
/* fl_translate( (tx + (tw / 2)) + X, (ty + (th / 2)) + Y ); */
}
#endif
void
Panner::draw ( void )
{
draw_box();
// draw_box( FL_FLAT_BOX, x(), y(), w(), h(), FL_BLACK );
// draw_box();
draw_box( FL_FLAT_BOX, x(), y(), w(), h(), FL_BLACK );
draw_label();
int tw, th, tx, ty;
@ -90,6 +140,17 @@ Panner::draw ( void )
bbox( tx, ty, tw, th );
fl_color( FL_WHITE );
const int b = 10;
tx += b;
ty += b;
tw -= b * 2;
th -= b * 2;
fl_arc( tx, ty, tw, th, 0, 360 );
if ( _configs[ _outs ][0] >= 0 )
{
for ( int i = _outs; i--; )
@ -100,7 +161,36 @@ Panner::draw ( void )
a -= 90;
a = 360 - a;
fl_arc( tx, ty, tw, th, a - 3, a + 3 );
/* fl_color( FL_WHITE ); */
/* fl_arc( tx, ty, tw, th, a - 3, a + 3 ); */
{
float A;
int X, Y;
A = a * ( M_PI / 180 );
float r = tw / 2;
X = r * cos( A );
Y = -r * sin( A );
fl_push_matrix();
fl_translate( (tx + (tw / 2)) + X, (ty + (th / 2)) + Y );
fl_scale( 5, 5 );
fl_rotate( a );
draw_speaker( FL_WHITE );
fl_rotate( -a );
fl_pop_matrix();
}
}
}