ardour/livetrax
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Add a Tracks/Waveform icon

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This commit is contained in:
Robin Gareus 2024-04-29 21:00:27 +02:00
parent ce4f91483b
commit e90e31d682
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 37 additions and 0 deletions
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36
libs/widgets/ardour_icon.cc
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@ -1509,6 +1509,39 @@ icon_meters (cairo_t* cr, const int width, const int height, const uint32_t fg_c
VECTORICONSTROKE (lw, fg_color);
}
static void
icon_waveform (cairo_t* cr, const int width, const int height, const uint32_t fg_color)
{
const double x = width * .5;
const double y = height * .5;
const double wh = std::min (x, y);
const double lw = DEFAULT_LINE_WIDTH;
const double lc = fmod (lw * .5, 1.0);
const int m = floor (1.6 * wh - lw);
const double x0 = rint (x + 1 - 0.5 * m);
// for i=0,60 do print (string.format ("%.2f, ", (math.random(1,100)/100) * (math.random(1,100)/100))) end
static const float wave[] = {
0.12, 0.40, 0.28, 0.21, 0.25, 0.57, 0.57, 0.41, 0.33, 0.63,
0.11, 0.89, 0.13, 0.29, 0.18, 0.24, 0.10, 0.05, 0.24, 0.15,
0.01, 0.39, 0.93, 0.27, 0.28, 0.07, 0.15, 0.12, 0.10, 0.13,
0.08, 0.03, 0.04, 0.59, 0.64, 0.49, 0.01, 0.04, 0.01, 0.39,
0.44, 0.01, 0.21, 0.12, 0.06, 0.07, 0.01, 0.11, 0.07, 0.33,
0.38, 0.24, 0.16, 0.64, 0.17, 0.05, 0.24, 0.07, 0.04, 0.35,
};
static const int p = sizeof(wave)/sizeof (float);
for (int i = 0; i < m; ++i) {
double dy = (wh * .8) * wave[i % p] * sqrt(sin (M_PI * i / m));
cairo_move_to (cr, x0 + i - lc, y - dy);
cairo_line_to (cr, x0 + i - lc, y + dy);
}
VECTORICONSTROKE (lw, fg_color);
}
/*****************************************************************************/
bool
@ -1667,6 +1700,9 @@ ArdourWidgets::ArdourIcon::render (cairo_t* cr
case Meters:
icon_meters (cr, width, height, fg_color);
break;
case TrackWaveform:
icon_waveform (cr, width, height, fg_color);
break;
case NoIcon:
rv = false;
break;

1
libs/widgets/widgets/ardour_icon.h
View File

@ -76,6 +76,7 @@ namespace ArdourWidgets { namespace ArdourIcon {
Lock,
Mixer,
Meters,
TrackWaveform,
NoIcon //< Last
};