--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/analog/thermometer.cpp Wed Jun 29 21:28:13 2022 +0200
@@ -0,0 +1,192 @@
+/***************************************************************************
+ * Copyright (C) 2006-2008 by Tomasz Ziobrowski *
+ * http://www.3electrons.com *
+ * e-mail: t.ziobrowski@3electrons.com *
+ * *
+ * *
+ * 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. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#include <QtGui>
+#include <cmath>
+#include <assert.h>
+#include "thermometer.h"
+
+using namespace std;
+ThermoMeter::ThermoMeter(QWidget *parent)
+ : AbstractMeter(parent)
+{
+ m_max=80;
+ m_min=0;
+
+ m_maximum=80; // najpierw ręcznie potem seterem by wywołać calcMaxMin
+ setMinimum(0);
+ setValue(0);
+ setNominal(30);
+ calcMaxMin(); // bo nie wiemy czym są zainicjowane limity
+ setCritical(60);
+ setValueOffset(270);
+ setDigitOffset(10);
+ setSuffix(QString(" [C]"));
+ m_digitFont.setPointSize(15);
+ m_valueFont.setPointSize(18);
+
+ // QWidget
+ setSizePolicy (QSizePolicy::Expanding, QSizePolicy::Expanding);
+ setWindowTitle(tr("Analog Thermometer"));
+ resize(200, 200);
+ assert(m_max-m_min != 0);
+
+}
+
+void ThermoMeter::initCoordinateSystem(QPainter & painter)
+{
+ // inicjalizacja paintera
+ painter.setRenderHint(QPainter::Antialiasing);
+ //painter.translate(width() / 2, height() / 2);
+ painter.translate( width()/2.0,0.0);
+ painter.scale( height()/ 300.0, height()/307.0);
+}
+
+void ThermoMeter::paintBackground(QPainter & painter)
+{
+ initCoordinateSystem(painter);
+ // kształt szkalnej bańki
+
+ QPainterPath glass;
+
+ // początek łuku dolnego po lewej stronie
+ glass.moveTo(12.5,267.5);
+ glass.quadTo(12.5,263.0, 7.5,257.0);
+
+ glass.lineTo(7.5,25.0);
+
+ // łuk górny zamykajac5y bańkę od góry.
+ glass.quadTo(7.5,12.5 , 0,12.5);
+ glass.quadTo(-7.5,12.5,-7.5,25.0);
+ glass.lineTo(-7.5,257.0);
+ // tutaj musi być łuk dolny o promineniu 25
+ glass.quadTo(-12.5,263.0, -12.5,267.5);
+ glass.quadTo(-12.5,278.0, 0.0,280.0);
+ glass.quadTo( 12.5,278.0, 12.5,267.5);
+
+ QLinearGradient linearGrad(QPointF(-2.0, 0.0), QPointF(12.5, 0.0));
+ linearGrad.setSpread(QGradient::ReflectSpread);
+ linearGrad.setColorAt(1.0, QColor(0,150,255,170));
+ linearGrad.setColorAt(0.0, QColor(255,255,255,0));
+
+ painter.setBrush(QBrush(linearGrad));
+ painter.setPen(Qt::black);
+ painter.drawPath(glass);
+
+ /*
+ QRadialGradient radial(0.0,267.5,12.5,-10.0,263.0);
+ radial.setColorAt(1.0,QColor(0,150,255,110));
+ radial.setColorAt(1.0,QColor(255,255,255,0));
+ painter.setPen(Qt::NoPen);
+ painter.drawEllipse(QRectF(-12.5,255.0,25.0,25.0));
+ */
+ QPen pen;
+ int length = 12;
+ for (int i=0;i<=32;i++)
+ {
+ pen.setWidthF(1.0);
+ length = 12;
+ if (i%4) { length = 8; pen.setWidthF(0.75); }
+ if (i%2) { length = 5; pen.setWidthF(0.5); }
+ painter.setPen(pen);
+ painter.drawLine(-7,28+i*7, -7+length,28+i*7);
+ }
+
+ if (digitOffset())
+ {
+ painter.setFont(digitFont());
+ for (int i=0;i<9;i++)
+ {
+ QString val = QString("%1").arg(m_min + i*(m_max - m_min)/8.0 );
+ QSize Size = painter.fontMetrics().size(Qt::TextSingleLine, val);
+
+ painter.drawText( QPointF( digitOffset(),252 - i * 28 +Size.width()/4.0) , val);
+
+ }
+ }
+
+
+}// paintBackground
+
+// Offset by lepiej było widać o co z nim biega - mówiąc oględnie offset to miejsce
+// poniżej zera od którego zaczynamy rysować słupek rtęci.
+#define OFFSET 10
+
+void ThermoMeter::paintEvent(QPaintEvent * )
+{
+ // Inicjalizacja paintera
+ QPainter painter(this);
+ initCoordinateSystem(painter);
+ // --------------------------------------------- ///
+ // Dobór colorów do rysowania
+ QColor color=Qt::blue;
+ if (m_value >= m_nominal )
+ color=QColor(0,200,0);
+
+ if (m_value >= m_critical)
+ {
+ color=Qt::red;
+ painter.setPen(color); // by potem temp podać na czerwono
+ }
+
+ if (valueOffset())
+ {
+ painter.setFont(valueFont());
+ QString Str = prefix() + QString("%1").arg(value()) + suffix();
+ QSize Size = painter.fontMetrics().size(Qt::TextSingleLine, Str);
+ painter.drawText(QPointF (Size.width() / -2,valueOffset() + Size.height()) , Str);
+ }
+
+
+ QLinearGradient slupek(0.0,0.0,5.0,0.0);
+ QRadialGradient zbiornik(0.0,267.0,10.0,-5.0,262.0);
+
+ slupek.setSpread(QGradient::ReflectSpread);
+ zbiornik.setSpread(QGradient::ReflectSpread);
+
+ color.setHsv(color.hue(),color.saturation(),color.value());
+ slupek.setColorAt(1.0,color);
+ zbiornik.setColorAt(1.0,color);
+
+ color.setHsv(color.hue(),color.saturation()-200,color.value());
+ slupek.setColorAt(0.0,color);
+ zbiornik.setColorAt(0.0,color);
+
+ // Wyznaczenie wysokości słupka;
+ double factor = m_value - m_min;
+ factor /= m_max - m_min;
+ int temp = static_cast<int> (224.0 * factor), height = temp + OFFSET;
+ if (231 < temp ) height = 231 + OFFSET; // by rtęć doszła do końca terometra ale go nie rozwaliła
+ if (OFFSET-5 >= height ) height = OFFSET-5; // by nie zeszlo poniżej pieciu "pixeli" poniżej zera
+ // Narysowanie słupka wraz z zbiorniczkiem rtęci
+ painter.setPen(Qt::NoPen);
+ painter.setBrush(slupek);
+ painter.drawRect(-5,252+OFFSET - height ,10, height);
+ painter.setBrush(zbiornik);
+ painter.drawEllipse(QRectF(-10.0,257.5,20.0,20.0));
+ painter.end(); // bardzo istotne - inaczej pod Xami jest błąd
+ // nie wiem czy to to powoduje krash pod win98 i brak bańki pod XP.
+ // Nałożenie szklanej bańki
+ drawBackground();
+
+}// paintEvent
+#undef OFFSET