From e2de64d6f1beb9e492daf5b886e19933c1fa41dd Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 noatun/modules/monoscope/monoscope.cpp | 112 +++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 noatun/modules/monoscope/monoscope.cpp

(limited to 'noatun/modules/monoscope/monoscope.cpp')

diff --git a/noatun/modules/monoscope/monoscope.cpp b/noatun/modules/monoscope/monoscope.cpp
new file mode 100644
index 00000000..5ab63ecc
--- /dev/null
+++ b/noatun/modules/monoscope/monoscope.cpp
@@ -0,0 +1,112 @@
+#include "monoscope.h"
+#include <noatun/player.h>
+#include <noatun/app.h>
+#include <math.h>
+#include <qpainter.h>
+#include <kactionclasses.h>
+#include <noatun/stdaction.h>
+#include <klocale.h>
+
+extern "C"
+{
+	KDE_EXPORT Plugin *create_plugin()
+	{
+		return new Monoscope();
+	}
+}
+
+Monoscope::Monoscope() : QWidget(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, QWidget::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, SLOT(toggle()), this, "togglemonoscope");
+	mAction->setChecked(!isHidden());
+	napp->pluginActionMenu()->insert(mAction);
+}
+
+void Monoscope::toggle(void)
+{
+	if(isHidden())
+		show();
+	else
+		hide();
+}
+
+void Monoscope::closeEvent(QCloseEvent *)
+{
+	hide();
+}
+
+void Monoscope::resizeEvent(QResizeEvent *)
+{
+	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
+	QPixmap buffer(viewWidth, viewHeight, -1, QPixmap::BestOptim);
+	buffer.fill(mLowColor);
+	QPainter 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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