Timothy Pearson
9 years ago
parent
f6cc7c2a0a
commit
83cee4e365
@ -1,6 +1,7 @@
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INCLUDES = $(all_includes) $(KDE_INCLUDES)/tde
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METASOURCES = AUTO
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noinst_LTLIBRARIES = libtracewidget.la libfloatspinbox.la
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noinst_LTLIBRARIES = libtracewidget.la libfloatspinbox.la libsevensegment.la
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libtracewidget_la_SOURCES = tracewidget.cpp
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libtracewidget_la_LDFLAGS = $(all_libraries) -ltqtrla
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libfloatspinbox_la_SOURCES = floatspinbox.cpp
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libfloatspinbox_la_SOURCES = floatspinbox.cpp
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libsevensegment_la_SOURCES = sevensegment.cpp
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@ -0,0 +1,456 @@
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/*
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* Remote Laboratory Seven Segment Display Widget
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* (c) 2012 - 2015 Timothy Pearson
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* Raptor Engineering
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* http://www.raptorengineeringinc.com
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*/
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#include <stdlib.h>
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#include <tqpainter.h>
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#include "sevensegment.h"
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Display7Segment::Display7Segment( TQWidget *parent, const char *name )
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: TQFrame( parent, name )
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{
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init();
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}
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Display7Segment::~Display7Segment() {
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free(m_prevSegments);
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free(m_currentSegments);
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}
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void Display7Segment::init() {
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setFrameStyle(TQFrame::Box | TQFrame::Raised);
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prevSegments = 0;
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val = 0;
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smallPoint = TRUE;
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setSegmentStyle(Flat);
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m_prevSegments = (char*)malloc(sizeof(char)*9);
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m_currentSegments = (char*)malloc(sizeof(char)*9);
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m_prevSegments[0] = 99;
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m_currentSegments[0] = 99;
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setSizePolicy(TQSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Minimum));
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}
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void Display7Segment::setLitSegments(unsigned char segs) {
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// This produces an array of up to 10 chars, with each char being the number of a lit segment, and the list being terminated with the number 99
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// The bit input in segs is active high
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// The bit sequence, MSB to LSB, is dp a b c d e f g
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// Segment letters are taken from ug130.pdf
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if (prevSegments != segs) {
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int i = 0;
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if (segs & 0x80) { m_currentSegments[i] = 7; i++; }
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if (segs & 0x40) { m_currentSegments[i] = 0; i++; }
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if (segs & 0x20) { m_currentSegments[i] = 2; i++; }
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if (segs & 0x10) { m_currentSegments[i] = 5; i++; }
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if (segs & 0x08) { m_currentSegments[i] = 6; i++; }
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if (segs & 0x04) { m_currentSegments[i] = 4; i++; }
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if (segs & 0x02) { m_currentSegments[i] = 1; i++; }
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if (segs & 0x01) { m_currentSegments[i] = 3; i++; }
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m_currentSegments[i] = 99;
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update();
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}
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prevSegments = segs;
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}
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void Display7Segment::drawContents( TQPainter *p )
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{
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// Draw all segments
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TQPoint pos;
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int digitSpace = smallPoint ? 2 : 1;
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int xSegLen = width()*5/(1*(5 + digitSpace) + digitSpace);
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int ySegLen = height()*5/12;
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int segLen = ySegLen > xSegLen ? xSegLen : ySegLen;
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int xAdvance = segLen*( 5 + 1 )/5;
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int xOffset = ( width() - xAdvance + segLen/5 )/2;
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int yOffset = ( height() - segLen*2 )/2;
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pos = TQPoint(xOffset, yOffset);
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drawDigit(pos, *p, segLen, m_currentSegments);
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}
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TQSize Display7Segment::sizeHint() const {
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return TQSize(10 + 9 * (1 + (smallPoint ? 0 : 1)), 23);
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}
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void Display7Segment::setSegmentStyle( SegmentStyle s ) {
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fill = (s == Flat || s == Filled);
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shadow = (s == Outline || s == Filled);
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update();
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}
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Display7Segment::SegmentStyle Display7Segment::segmentStyle() const {
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Q_ASSERT(fill || shadow);
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if (!fill && shadow) {
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return Outline;
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}
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if (fill && shadow) {
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return Filled;
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}
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return Flat;
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}
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static void addPoint( TQPointArray &a, const TQPoint &p ) {
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uint n = a.size();
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a.resize(n + 1);
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a.setPoint(n, p);
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}
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void Display7Segment::drawDigit(const TQPoint &pos, TQPainter &p, int segLen, const char *newSegs) {
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char updates[20][2]; // Can hold 2 times number of segments, only
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// first 10 used if segment table is correct
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int nErases;
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int nUpdates;
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const char *segs;
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int i,j;
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const char erase = 0;
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const char draw = 1;
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// const char leaveAlone = 2;
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segs = m_prevSegments;
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for ( nErases=0; segs[nErases] != 99; nErases++ ) {
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updates[nErases][0] = erase; // Get segments to erase to
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updates[nErases][1] = segs[nErases]; // remove old char
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}
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nUpdates = nErases;
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segs = newSegs;
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for(i = 0 ; segs[i] != 99 ; i++) {
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for ( j=0; j<nErases; j++ ) {
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if ( segs[i] == updates[j][1] ) { // Same segment ?
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// FIXME
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// Always redraw segments for now, as dragging windows in front of the LED display currently erases the occluded portion(s) of the display!
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#if 0
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updates[j][0] = leaveAlone; // yes, already on screen
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break;
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#endif
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}
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}
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if ( j == nErases ) { // If not already on screen
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updates[nUpdates][0] = draw;
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updates[nUpdates][1] = segs[i];
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nUpdates++;
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}
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}
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for ( i=0; i<nUpdates; i++ ) {
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if ( updates[i][0] == draw ) {
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drawSegment( pos, updates[i][1], p, segLen );
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}
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if (updates[i][0] == erase) {
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drawSegment( pos, updates[i][1], p, segLen, TRUE );
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}
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}
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memcpy(m_prevSegments, newSegs, sizeof(char)*9);
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}
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void Display7Segment::drawSegment(const TQPoint &pos, char segmentNo, TQPainter &p, int segLen, bool erase) {
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TQPoint pt = pos;
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int width = segLen/5;
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const TQColorGroup & g = colorGroup();
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TQColor lightColor,darkColor,fgColor;
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if (erase) {
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lightColor = backgroundColor();
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darkColor = lightColor;
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fgColor = lightColor;
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}
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else {
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lightColor = g.light();
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darkColor = g.dark();
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fgColor = g.foreground();
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}
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#define LINETO(X,Y) addPoint( a, TQPoint(pt.x() + (X),pt.y() + (Y)))
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#define LIGHT
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#define DARK
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if ( fill ) {
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TQPointArray a(0);
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//The following is an exact copy of the switch below.
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//don't make any changes here
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switch ( segmentNo ) {
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case 0 :
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p.moveTo(pt);
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LIGHT;
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LINETO(segLen - 1,0);
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DARK;
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LINETO(segLen - width - 1,width);
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LINETO(width,width);
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LINETO(0,0);
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break;
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case 1 :
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pt += TQPoint(0 , 1);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,width);
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DARK;
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LINETO(width,segLen - width/2 - 2);
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LINETO(0,segLen - 2);
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LIGHT;
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LINETO(0,0);
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break;
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case 2 :
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pt += TQPoint(segLen - 1 , 1);
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p.moveTo(pt);
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DARK;
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LINETO(0,segLen - 2);
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LINETO(-width,segLen - width/2 - 2);
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LIGHT;
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LINETO(-width,width);
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LINETO(0,0);
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break;
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case 3 :
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pt += TQPoint(0 , segLen);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,-width/2);
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LINETO(segLen - width - 1,-width/2);
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LINETO(segLen - 1,0);
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DARK;
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if (width & 1) { // adjust for integer division error
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LINETO(segLen - width - 3,width/2 + 1);
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LINETO(width + 2,width/2 + 1);
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} else {
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LINETO(segLen - width - 1,width/2);
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LINETO(width,width/2);
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}
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LINETO(0,0);
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break;
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case 4 :
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pt += TQPoint(0 , segLen + 1);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,width/2);
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DARK;
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LINETO(width,segLen - width - 2);
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LINETO(0,segLen - 2);
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LIGHT;
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LINETO(0,0);
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break;
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case 5 :
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pt += TQPoint(segLen - 1 , segLen + 1);
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p.moveTo(pt);
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DARK;
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LINETO(0,segLen - 2);
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LINETO(-width,segLen - width - 2);
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LIGHT;
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LINETO(-width,width/2);
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LINETO(0,0);
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break;
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case 6 :
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pt += TQPoint(0 , segLen*2);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,-width);
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LINETO(segLen - width - 1,-width);
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LINETO(segLen - 1,0);
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DARK;
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LINETO(0,0);
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break;
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case 7 :
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if ( smallPoint ) // if smallpoint place'.' between other digits
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pt += TQPoint(segLen + width/2 , segLen*2);
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else
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pt += TQPoint(segLen/2 , segLen*2);
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p.moveTo(pt);
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DARK;
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LINETO(width,0);
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LINETO(width,-width);
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LIGHT;
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LINETO(0,-width);
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LINETO(0,0);
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break;
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case 8 :
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pt += TQPoint(segLen/2 - width/2 + 1 , segLen/2 + width);
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p.moveTo(pt);
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DARK;
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LINETO(width,0);
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LINETO(width,-width);
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LIGHT;
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LINETO(0,-width);
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LINETO(0,0);
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break;
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case 9 :
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pt += TQPoint(segLen/2 - width/2 + 1 , 3*segLen/2 + width);
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p.moveTo(pt);
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DARK;
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LINETO(width,0);
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LINETO(width,-width);
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LIGHT;
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LINETO(0,-width);
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LINETO(0,0);
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break;
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#if defined(QT_CHECK_RANGE)
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default :
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tqWarning( "Display7Segment::drawSegment: (%s) Internal error."
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" Illegal segment id: %d\n",
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name( "unnamed" ), segmentNo );
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#endif
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}
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// End exact copy
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p.setPen( fgColor );
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p.setBrush( fgColor );
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p.drawPolygon( a );
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p.setBrush( NoBrush );
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pt = pos;
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}
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#undef LINETO
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#undef LIGHT
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#undef DARK
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#define LINETO(X,Y) p.lineTo(TQPoint(pt.x() + (X),pt.y() + (Y)))
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#define LIGHT p.setPen(lightColor)
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#define DARK p.setPen(darkColor)
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if ( shadow ) {
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switch ( segmentNo ) {
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case 0 :
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p.moveTo(pt);
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LIGHT;
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LINETO(segLen - 1,0);
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DARK;
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LINETO(segLen - width - 1,width);
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LINETO(width,width);
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LINETO(0,0);
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break;
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case 1 :
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pt += TQPoint(0,1);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,width);
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DARK;
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LINETO(width,segLen - width/2 - 2);
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LINETO(0,segLen - 2);
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LIGHT;
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LINETO(0,0);
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break;
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case 2 :
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pt += TQPoint(segLen - 1 , 1);
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p.moveTo(pt);
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DARK;
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LINETO(0,segLen - 2);
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LINETO(-width,segLen - width/2 - 2);
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LIGHT;
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LINETO(-width,width);
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LINETO(0,0);
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break;
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case 3 :
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pt += TQPoint(0 , segLen);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,-width/2);
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LINETO(segLen - width - 1,-width/2);
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LINETO(segLen - 1,0);
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DARK;
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if (width & 1) { // adjust for integer division error
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LINETO(segLen - width - 3,width/2 + 1);
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LINETO(width + 2,width/2 + 1);
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} else {
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LINETO(segLen - width - 1,width/2);
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LINETO(width,width/2);
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}
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LINETO(0,0);
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break;
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case 4 :
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pt += TQPoint(0 , segLen + 1);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,width/2);
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DARK;
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LINETO(width,segLen - width - 2);
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LINETO(0,segLen - 2);
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LIGHT;
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LINETO(0,0);
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break;
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case 5 :
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pt += TQPoint(segLen - 1 , segLen + 1);
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p.moveTo(pt);
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DARK;
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LINETO(0,segLen - 2);
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LINETO(-width,segLen - width - 2);
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LIGHT;
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LINETO(-width,width/2);
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LINETO(0,0);
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break;
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case 6 :
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pt += TQPoint(0 , segLen*2);
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p.moveTo(pt);
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LIGHT;
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LINETO(width,-width);
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LINETO(segLen - width - 1,-width);
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LINETO(segLen - 1,0);
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DARK;
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LINETO(0,0);
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break;
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case 7 :
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if ( smallPoint ) // if smallpoint place'.' between other digits
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pt += TQPoint(segLen + width/2 , segLen*2);
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else
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pt += TQPoint(segLen/2 , segLen*2);
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p.moveTo(pt);
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DARK;
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LINETO(width,0);
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LINETO(width,-width);
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LIGHT;
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LINETO(0,-width);
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LINETO(0,0);
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break;
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case 8 :
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pt += TQPoint(segLen/2 - width/2 + 1 , segLen/2 + width);
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p.moveTo(pt);
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DARK;
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LINETO(width,0);
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LINETO(width,-width);
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LIGHT;
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LINETO(0,-width);
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LINETO(0,0);
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break;
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case 9 :
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pt += TQPoint(segLen/2 - width/2 + 1 , 3*segLen/2 + width);
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p.moveTo(pt);
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DARK;
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LINETO(width,0);
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LINETO(width,-width);
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LIGHT;
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LINETO(0,-width);
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LINETO(0,0);
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break;
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#if defined(QT_CHECK_RANGE)
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default :
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tqWarning( "Display7Segment::drawSegment: (%s) Internal error."
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" Illegal segment id: %d\n",
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name( "unnamed" ), segmentNo );
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#endif
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}
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}
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#undef LINETO
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#undef LIGHT
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#undef DARK
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}
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#include "sevensegment.moc"
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@ -0,0 +1,68 @@
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/*
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* Remote Laboratory Seven Segment Display Widget
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*
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* This program is free software; you can redistribute it and/or modify
|
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* it under the terms of the GNU General Public License as published by
|
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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||||
* 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.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* (c) 2012 - 2015 Timothy Pearson
|
||||
* Raptor Engineering
|
||||
* http://www.raptorengineeringinc.com
|
||||
*/
|
||||
|
||||
#ifndef REMOTELAB_DISPLAY7SEGEMENT_H
|
||||
#define REMOTELAB_DISPLAY7SEGEMENT_H
|
||||
|
||||
#include <tqframe.h>
|
||||
|
||||
class Display7SegmentPrivate;
|
||||
|
||||
class TQ_EXPORT Display7Segment : public TQFrame
|
||||
{
|
||||
Q_OBJECT
|
||||
TQ_ENUMS(SegmentStyle)
|
||||
TQ_PROPERTY(SegmentStyle segmentStyle READ segmentStyle WRITE setSegmentStyle)
|
||||
|
||||
public:
|
||||
Display7Segment(TQWidget* parent=0, const char* name=0);
|
||||
~Display7Segment();
|
||||
|
||||
enum SegmentStyle { Outline, Filled, Flat };
|
||||
|
||||
SegmentStyle segmentStyle() const;
|
||||
virtual void setSegmentStyle(SegmentStyle);
|
||||
|
||||
void setLitSegments(unsigned char);
|
||||
|
||||
TQSize sizeHint() const;
|
||||
|
||||
protected:
|
||||
void drawContents(TQPainter *);
|
||||
|
||||
private:
|
||||
void init();
|
||||
void drawSegment(const TQPoint &, char, TQPainter &, int, bool = FALSE);
|
||||
void drawDigit(const TQPoint &, TQPainter &, int, const char *);
|
||||
|
||||
char* m_prevSegments;
|
||||
char* m_currentSegments;
|
||||
|
||||
unsigned int prevSegments;
|
||||
double val;
|
||||
uint smallPoint : 1;
|
||||
uint fill : 1;
|
||||
uint shadow : 1;
|
||||
Display7SegmentPrivate *d;
|
||||
};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in new issue