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-rw-r--r--src/electronics/components/ecled.cpp134
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diff --git a/src/electronics/components/ecled.cpp b/src/electronics/components/ecled.cpp
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+/***************************************************************************
+ * Copyright (C) 2003 by David Saxton *
+ * david@bluehaze.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ ***************************************************************************/
+
+#include "colorcombo.h"
+#include "diode.h"
+#include "ecled.h"
+#include "ecnode.h"
+#include "libraryitem.h"
+#include "simulator.h"
+
+#include <klocale.h>
+#include <qpainter.h>
+
+Item* ECLed::construct( ItemDocument *itemDocument, bool newItem, const char *id )
+{
+ return new ECLed( (ICNDocument*)itemDocument, newItem, id );
+}
+
+LibraryItem* ECLed::libraryItem()
+{
+ return new LibraryItem(
+ QString::QString("ec/led"),
+ i18n("LED"),
+ i18n("Outputs"),
+ "led.png",
+ LibraryItem::lit_component,
+ ECLed::construct
+ );
+}
+
+ECLed::ECLed( ICNDocument *icnDocument, bool newItem, const char *id )
+ : ECDiode( icnDocument, newItem, (id) ? id : "led" )
+{
+ m_bDynamicContent = true;
+ m_name = i18n("LED");
+ m_desc = i18n("Light Emitting Diode");
+ setSize( -8, -16, 24, 24, true );
+ avg_brightness = 255;
+ lastUpdatePeriod = 0.;
+ r=g=b=0;
+ last_brightness = 255;
+
+ createProperty( "0-color", Variant::Type::Color );
+ property("0-color")->setCaption( i18n("Color") );
+ property("0-color")->setColorScheme( ColorCombo::LED );
+}
+
+ECLed::~ECLed()
+{
+}
+
+void ECLed::dataChanged()
+{
+ QColor color = dataColor("0-color");
+ r = color.red();
+ g = color.green();
+ b = color.blue();
+ r /= 0x100;
+ g /= 0x100;
+ b /= 0x100;
+}
+
+void ECLed::stepNonLogic()
+{
+ double interval = 1./LINEAR_UPDATE_RATE;
+ avg_brightness += brightness(m_diode->current())*interval;
+ lastUpdatePeriod += interval;
+}
+
+void ECLed::drawShape( QPainter &p )
+{
+ int _x = int(x());
+ int _y = int(y());
+
+ initPainter(p);
+
+ //BEGIN draw "Diode" part
+ uint _b;
+ if ( lastUpdatePeriod == 0. )
+ _b = last_brightness;
+ else
+ {
+ _b = (uint)(avg_brightness/lastUpdatePeriod);
+ last_brightness = _b;
+ }
+ avg_brightness = 0.;
+ lastUpdatePeriod = 0.;
+
+ p.setBrush( QColor( uint(255-(255-_b)*(1-r)), uint(255-(255-_b)*(1-g)), uint(255-(255-_b)*(1-b)) ) );
+
+ QPointArray pa(3);
+ pa[0] = QPoint( 8, 0 );
+ pa[1] = QPoint( -8, -8 );
+ pa[2] = QPoint( -8, 8 );
+ pa.translate( _x, _y );
+ p.drawPolygon(pa);
+ p.drawPolyline(pa);
+
+ p.drawLine( _x+8, _y-8, _x+8, _y+8 );
+ //END draw "Diode" part
+
+
+
+ //BEGIN draw "Arrows" part
+ p.drawLine( _x+7, _y-10, _x+10, _y-13 ); // Tail of left arrow
+ p.drawLine( _x+10, _y-13, _x+8, _y-13 ); // Left edge of left arrow tip
+ p.drawLine( _x+10, _y-13, _x+10, _y-11 ); // Right edge of left arrow tip
+
+ p.drawLine( _x+10, _y-7, _x+13, _y-10 ); // Tail of right arrow
+ p.drawLine( _x+13, _y-10, _x+11, _y-10 ); // Left edge of right arrow tip
+ p.drawLine( _x+13, _y-10, _x+13, _y-8 ); // Right edge of right arrow tip
+
+ p.drawLine( _x+8, _y-13, _x+13, _y-8 ); // Diagonal line that forms base of both arrow tips
+ //END draw "Arrows" part1
+
+
+ deinitPainter(p);
+}
+
+
+uint ECLed::brightness( double i )
+{
+ if ( i > 0.018 ) return 0;
+ if ( i < 0.002 ) return 255;
+ return (uint)(255*(1-((i-0.002)/0.016)));
+}
+