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#include "monoscope.h"
#include <noatun/player.h>
#include <noatun/app.h>
#include <math.h>
#include <tqpainter.h>
#include <kactionclasses.h>
#include <noatun/stdaction.h>
#include <klocale.h>
extern "C"
{
KDE_EXPORT Plugin *create_plugin()
{
return new Monoscope();
}
}
Monoscope::Monoscope() : TQWidget(0,0,WRepaintNoErase), MonoScope(30), Plugin()
{
NOATUNPLUGINC(Monoscope);
mAction=0L;
mLowColor=qRgb(0,0,0);
mHighColor=qRgb(238,238,238);
resize(320, 240);
MonoScope::start();
setCaption(i18n("Monoscope"));
show();
resizeEvent(0);
repaint(0,0, TQWidget::width(), height(), false);
resizeEvent(0);
setBackgroundColor(mLowColor);
}
Monoscope::~Monoscope()
{
if(mAction)
napp->pluginActionMenu()->remove(mAction);
}
void Monoscope::init()
{
mAction = new KToggleAction(i18n("Toggle Monoscope"), 0, 0,
this, TQT_SLOT(toggle()), this, "togglemonoscope");
mAction->setChecked(!isHidden());
napp->pluginActionMenu()->insert(mAction);
}
void Monoscope::toggle(void)
{
if(isHidden())
show();
else
hide();
}
void Monoscope::closeEvent(TQCloseEvent *)
{
hide();
}
void Monoscope::resizeEvent(TQResizeEvent *)
{
setSamples(width());
}
void Monoscope::scopeEvent(float *d, int size)
{
// save cpu
if(isHidden()) return;
const bool line=false;
int viewWidth =width();
int viewHeight=height();
float *end=d+size;
int x=0;
int heightHalf=viewHeight/4;
int y=viewHeight/2;
// reduce flicker
TQPixmap buffer(viewWidth, viewHeight, -1, TQPixmap::BestOptim);
buffer.fill(mLowColor);
TQPainter p(&buffer);
p.setPen(mHighColor);
repaint(rect());
if (line)
p.moveTo(0, y);
while (d<=end)
{
float &n=*d;
n *= heightHalf;
int amp=(int)n;
if (line) // line
p.lineTo(x, y+amp);
else // fill
p.drawLine(x, y, x, y+amp);
d++;
x++;
}
if (line)
p.drawLine(0, y, size, y);
bitBlt(this, 0, 0, &buffer, 0, 0, viewWidth, viewHeight, Qt::CopyROP);
}
#include "monoscope.moc"
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