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public class OSCGraphicsLayer {
OscSend @osc_send;
string name;
fun void
init(OscSend @osc_send, string type, string osc_types,
int pos, string name, int geo[], float opacity) /* pseudo-constructor */
{
if (geo == null)
[0, 0, 0, 0] @=> geo;
osc_send @=> this.osc_send;
name => this.name;
osc_send.startMsg("/layer/new/"+type, "isiiiif"+osc_types);
pos => osc_send.addInt;
name => osc_send.addString;
for (0 => int i; i < 4; i++)
geo[i] => osc_send.addInt;
opacity => osc_send.addFloat;
}
class GeoPort extends OSCGraphicsPort {
OSCGraphicsLayer @layer;
int geo[];
int index;
fun void
tick(float in, float prev)
{
in $ int => geo[index];
/* optimize: avoid sending unnecessary messages */
if (geo[index] != (prev $ int))
geo => layer.geo;
}
}
fun OSCGraphicsPort @
getGeoPort(int geo[], int index)
{
GeoPort p;
this @=> p.layer;
geo @=> p.geo;
index => p.index;
return p;
}
fun int[]
geo(int geo[])
{
if (geo == null)
[0, 0, 0, 0] @=> geo;
osc_send.startMsg("/layer/"+name+"/geo", "iiii");
for (0 => int i; i < 4; i++)
geo[i] => osc_send.addInt;
return geo;
}
fun int[]
geo()
{
return geo(null);
}
class AlphaPort extends OSCGraphicsPort {
OSCGraphicsLayer @layer;
fun void
tick(float in, float prev)
{
/* optimize: alpha set as float, but there are only 255 alpha levels */
if ((in*255) $ int != (prev*255) $ int)
in => layer.alpha;
}
}
fun OSCGraphicsPort @
getAlphaPort()
{
AlphaPort p;
this @=> p.layer;
return p;
}
fun float
alpha(float opacity)
{
osc_send.startMsg("/layer/"+name+"/alpha", "f");
opacity => osc_send.addFloat;
return opacity;
}
fun void
delete()
{
osc_send.startMsg("/layer/"+name+"/delete", "");
"" => name;
}
}
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