comparison: src/analog/led.cpp
src/analog/led.cpp
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| 1 /*************************************************************************** | |
| 2 * Copyright (C) 2006-2008 by Tomasz Ziobrowski * | |
| 3 * http://www.3electrons.com * | |
| 4 * e-mail: t.ziobrowski@3electrons.com * | |
| 5 * * | |
| 6 * * | |
| 7 * This program is free software; you can redistribute it and/or modify * | |
| 8 * it under the terms of the GNU General Public License as published by * | |
| 9 * the Free Software Foundation; either version 2 of the License, or * | |
| 10 * (at your option) any later version. * | |
| 11 * * | |
| 12 * This program is distributed in the hope that it will be useful, * | |
| 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
| 15 * GNU General Public License for more details. * | |
| 16 * * | |
| 17 * You should have received a copy of the GNU General Public License * | |
| 18 * along with this program; if not, write to the * | |
| 19 * Free Software Foundation, Inc., * | |
| 20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
| 21 ***************************************************************************/ | |
| 22 | |
| 23 #include <QtGui> | |
| 24 #include "led.h" | |
| 25 | |
| 26 | |
| 27 Led::Led(QWidget * parent):WidgetWithBackground(parent) | |
| 28 { | |
| 29 m_checked = true; | |
| 30 m_color = Qt::red; | |
| 31 resize(330,330); | |
| 32 } | |
| 33 | |
| 34 | |
| 35 bool Led::isChecked () const | |
| 36 { | |
| 37 return m_checked; | |
| 38 } | |
| 39 | |
| 40 | |
| 41 void Led::setChecked(bool i) | |
| 42 { | |
| 43 m_checked = i; | |
| 44 updateWithBackground(); | |
| 45 checkChanged( m_checked ); | |
| 46 } | |
| 47 | |
| 48 | |
| 49 QColor Led::color() const | |
| 50 { | |
| 51 return m_color; | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void Led::setColor(QColor i) | |
| 56 { | |
| 57 m_color = i; | |
| 58 updateWithBackground(); | |
| 59 } | |
| 60 | |
| 61 // Maluje całą diodę - koło o kolorze bazowym a na to nakłada odblask. | |
| 62 void Led::paintEvent(QPaintEvent * /* event*/ ) | |
| 63 { | |
| 64 QPainter painter(this); | |
| 65 initCoordinateSystem(painter); | |
| 66 // *** Draw circle */ | |
| 67 int h,s,v,a; | |
| 68 QColor c,back = color(); | |
| 69 c=back; | |
| 70 | |
| 71 // Kolor diody | |
| 72 if (!m_checked || !isEnabled()) | |
| 73 { | |
| 74 back.getHsv(&h,&s,&v,&a); | |
| 75 s*=0.20; | |
| 76 back.setHsv(h,s,v,a); | |
| 77 } | |
| 78 painter.setBrush(back); | |
| 79 | |
| 80 // obwudka diody | |
| 81 QPen pen; | |
| 82 // przyciemnienie obwudki | |
| 83 c.getHsv(&h,&s,&v,&a); | |
| 84 s*=0.5; | |
| 85 c.setHsv(h,s,v,a); | |
| 86 | |
| 87 pen.setColor(c); | |
| 88 pen.setWidthF(3.0); | |
| 89 | |
| 90 painter.drawEllipse(-149,-149,299,299); | |
| 91 painter.end(); | |
| 92 | |
| 93 // odblask światła diody | |
| 94 drawBackground(); // to maluje na tym co dotychczas to co jest w bitmapce | |
| 95 } | |
| 96 | |
| 97 | |
| 98 // Rysuje odblask swiatła na diodzie | |
| 99 void Led::paintBackground(QPainter & painter) | |
| 100 { | |
| 101 initCoordinateSystem(painter); | |
| 102 painter.setPen(Qt::NoPen); | |
| 103 QRadialGradient shine(QPointF(-40.0,-40.0),120.0,QPointF(-40,-40)); | |
| 104 QColor white1(255,255,255,200); | |
| 105 QColor white0(255,255,255,0); | |
| 106 | |
| 107 shine.setColorAt(0.0,white1); | |
| 108 shine.setColorAt(1.0,white0); | |
| 109 | |
| 110 painter.setBrush(shine); | |
| 111 painter.drawEllipse(-147,-147,297,297); | |
| 112 | |
| 113 } | |
| 114 | |
| 115 void Led::initCoordinateSystem(QPainter & painter) | |
| 116 { | |
| 117 int side = qMin(width(), height()); | |
| 118 // inicjalizacja paintera | |
| 119 painter.setRenderHint(QPainter::Antialiasing); | |
| 120 painter.translate(width() / 2, height() / 2); | |
| 121 painter.scale(side / 330.0, side / 330.0); | |
| 122 } | |
| 123 |
