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Add logarithmic option

This commit is contained in:
Jonathan Moore Liles 2008-03-14 00:37:31 -05:00
parent 53389dbe54
commit f2bdcbb402
2 changed files with 8 additions and 0 deletions
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7
Waveform.C
View File

@ -34,6 +34,7 @@
bool Waveform::fill = true; bool Waveform::fill = true;
bool Waveform::outline = true; bool Waveform::outline = true;
bool Waveform::vary_color = true; bool Waveform::vary_color = true;
bool Waveform::logarithmic = true;
/* TODO: split the variations into separate functions. eg, plain, /* TODO: split the variations into separate functions. eg, plain,
* outlined, filled, polygonal, rectified. */ * outlined, filled, polygonal, rectified. */
@ -68,6 +69,12 @@ Waveform::draw ( int ox, int X, int Y, int W, int H, Audio_File *_clip, int chan
p.max *= _scale; p.max *= _scale;
p.min *= _scale; p.min *= _scale;
if ( Waveform::logarithmic )
{
p.max = 10.0f * log10f( p.max );
p.min = 10.0f * log10f( p.min );
}
const float diff = fabs( p.max - p.min ); const float diff = fabs( p.max - p.min );
if ( diff > 2.0f ) if ( diff > 2.0f )

1
Waveform.H
View File

@ -34,6 +34,7 @@ public:
static bool fill; static bool fill;
static bool outline; static bool outline;
static bool vary_color; static bool vary_color;
static bool logarithmic;
static void draw ( int rx, int X, int Y, int W, int H, Audio_File *_clip, int channel, float fpp, nframes_t _start, nframes_t _end, float _scale, Fl_Color color ); static void draw ( int rx, int X, int Y, int W, int H, Audio_File *_clip, int channel, float fpp, nframes_t _start, nframes_t _end, float _scale, Fl_Color color );