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