author | llornkcor <llornkcor> | 2005-03-20 04:53:54 (UTC) |
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committer | llornkcor <llornkcor> | 2005-03-20 04:53:54 (UTC) |
commit | 76ec755d83f3143373337de84e3740915adfdc02 (patch) (side-by-side diff) | |
tree | 5beb248f0e923cfb86f0cc15fe94f8b38ac40805 /noncore/multimedia/opierec/vumeter.cpp | |
parent | c213ec71220b4eb143ba0977c9156de466fb61e7 (diff) | |
download | opie-76ec755d83f3143373337de84e3740915adfdc02.zip opie-76ec755d83f3143373337de84e3740915adfdc02.tar.gz opie-76ec755d83f3143373337de84e3740915adfdc02.tar.bz2 |
add vumeter files
Diffstat (limited to 'noncore/multimedia/opierec/vumeter.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/multimedia/opierec/vumeter.cpp | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/noncore/multimedia/opierec/vumeter.cpp b/noncore/multimedia/opierec/vumeter.cpp new file mode 100644 index 0000000..8bab2f2 --- a/dev/null +++ b/noncore/multimedia/opierec/vumeter.cpp @@ -0,0 +1,280 @@ +#include "vumeter.h" +#include "qtrec.h" +#include <qtimer.h> +#include <math.h> +#include <qdrawutl.h> +#include <opie2/odebug.h> +using namespace Opie::Core; + +//************************************************************ +//===========================================================-VUMeter + +///// copyright : (C) 1999 bY Martin Lorenz +////// email : lorenz@ch.tum.de + +VUMeter::VUMeter(QWidget *parent, const char *name, const int tr) + : QWidget( parent, name ) +{ +// qDebug("Making VUMeter"); + int tracks = tr; + int i; + + qWarning("initialize peakvalues"); + for(i=0;i < tracks+2;i++) { + peak[i] = hold[i] = 32768; +// i_peak[i]=i_hold[i]=32768; + holdTime[i] = 20; + } + + para.onOff = true; + para.hold = 20; + para.update = 25; //timer + para.leds = 17; + para.reso = 3; + para.resoFactor = pow(2, para.reso/6.0); + + for( i = 0; i < para.leds; i++) color[i] = green; + color[0] = color[1] = red; + color[2] = color[3] = color[4] = color[5] = yellow; + + buffer = new QPixmap(); + setBackgroundMode(NoBackground); + vuTimer = new QTimer(this,"vu timer"); + + +// vuProp= new QPopupMenu(NULL,"vu popoup"); +// vuProp->insertItem(("O&n"),this,SLOT(slotOn()),0,0 ); +// vuProp->setItemEnabled(0, FALSE); +// vuProp->insertItem(("O&ff"),this,SLOT(slotOff()), 0,1); +// vuProp->insertSeparator(); +// vuProp->insertItem(("&Properties..."),this,SLOT(slotProps()) ); + +// dia=new VUMeterDialog(¶); +// connect(dia, SIGNAL(accepted()), this, SLOT(update()) ); + // QtRec *qtrecPtr; + +// if(qtrecPtr->tab_2->isActiveWindow()) +// vuTimer->start( 50 /*para.update*/, FALSE); +// startTimer(); + connect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot())); +// update(); +} + +VUMeter::~VUMeter(){ +// delete vuProp; +} + +void VUMeter::update(){ + qWarning("vumeter update"); + vuTimer->start(para.update, FALSE); + if (para.onOff) { +// vuProp->setItemEnabled(0, FALSE); +// vuProp->setItemEnabled(1, TRUE); + disconnect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot())); + connect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot())); + } else { +// vuProp->setItemEnabled(0, TRUE); +// vuProp->setItemEnabled(1, FALSE); + disconnect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot())); + } + resize(); +} + +void VUMeter::slotOn() { + connect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot())); + para.onOff=true; +// dia->updatePara(); +// vuProp->setItemEnabled(0, FALSE); +// vuProp->setItemEnabled(1, TRUE); +} + +void VUMeter::slotOff() { + disconnect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot())); + para.onOff=false; +// dia->updatePara(); +// vuProp->setItemEnabled(0, TRUE); +// vuProp->setItemEnabled(1, FALSE); +} + +void VUMeter::slotProps() { + qDebug("VU-Dialog"); +// dia->show(); +} + +void VUMeter::paintEvent(QPaintEvent* e) { + Q_UNUSED(e); + bitBlt(this, 0, 0, buffer); +} + + +void VUMeter::mousePressEvent(QMouseEvent* e) { + Q_UNUSED(e); +// if (e->button() == RightButton) +// vuProp->popup(QCursor::pos() ); +} + + +void VUMeter::resizeEvent(QResizeEvent* event) { + buffer->resize(event->size()); + resize(); +} + +void VUMeter::resize() { + qWarning("resize VUMeter painting"); + if(buffer == 0) + qDebug("Dude NULL pixmap buffer!"); + + buffer->fill(black); + + x=width()-7; y=height()-12; + dx=x/(tracks+2); dy=y/(para.leds+2); // size of one LED + black frame + ox=dx/6+4+(x-(tracks+2)*dx)/2; + oy=dy/5+5+(y-(para.leds+2)*dy)/2; //offsets + sx=(4*dx)/6; sy=(4*dy)/5; //size of one LED + + QPainter painter; QString str; QFont font; + int i, textOffset=0; + + if( painter.begin(buffer) ==FALSE) + qWarning("Painting pixmap did not work!"); + else { +// QColor c; + //c.setHsv( (x * 255)/w, 255, 255 );// rainbow effect + // c.setRgb( 255, 0, 255); +// p.setPen(c); + painter.setPen(green); + qDrawShadePanel ( &painter, 0,0, width(),height(), colorGroup(), TRUE, 2, 0); + if (2*dy-2 == 10) textOffset=1; + font=painter.font(); font.setPointSize(2*dy-2); + painter.setFont(font); + for(i=0;i<tracks+2;i++) { + painter.setPen(green); painter.setBrush(green); + str.sprintf("%d",i+1); + if (i==tracks) str.sprintf("L"); + if (i==tracks+1) str.sprintf("R"); + + painter.drawRect(ox+dx*i,oy+dy*(para.leds)-2,sx,2*dy-1); +// painter.drawRect(ox+dx*i,oy+dy*(15)+1,sx,2*dy-1); + painter.setPen(black); + painter.drawText(textOffset+ox+dx*i,oy+dy*(para.leds)-2,sx,2*dy,AlignCenter,str); +// painter.drawText(textOffset+ox+dx*i,oy+dy*(15),sx,2*dy,AlignCenter,str); + } + painter.end(); + paint(); + } +} + +void VUMeter::timeSlot() { + int i; +// getting stuck here +// qDebug("calling paint() from timeSlot()\n"); + paint(); + for(i=0;i<tracks+2;i++) { + peak[i] /= para.resoFactor; +// i_peak[i] /= (int)para.resoFactor; + } +//cout <<"VU "<<peak[0]<<"\n"; + +} + +void VUMeter::paint() { + int i, k; + float p, h ; +// int i_p, i_h; +//draw background in resizeEvent +//cout <<x <<" "<<y <<" "<<dx<<" " <<dy <<" vumeter.paint\n"; +// qDebug("paint()\n"); + QPainter painter; + painter.begin(buffer); + int c; + + for(i=0;i<tracks+2;i++) { +// i_p=i_peak[i]; i_h=i_hold[i]; + p=peak[i]; h=hold[i]; + if (p>=32767) p=32768; +// if (i_p>=32767) i_p=32768; + if (h>=32767) h=32768; +// if (i_h>=32767) i_h=32768; + for(k=para.leds+1; k>=2; k--) { + c=para.leds+1-k; + if (p>=32768) { //LED on +// if (i_p>=32768) { //LED on + painter.setBrush(color[c]); + } else { //LED off + //painter.setPen(color[c].dark(300)); + painter.setBrush(color[c].dark(300)); + } + if (h>=32768) { //LED-Frame on +// if (i_h>=32768) { //LED-Frame on + painter.setPen(color[c]); + } else { //LED off + painter.setPen(color[c].dark(300)); + } + painter.drawRect(ox+dx*i,oy+dy*c,sx,sy); + p*=para.resoFactor; h*=para.resoFactor; +// i_p*=(int)para.resoFactor; i_h*=(int)para.resoFactor; + } + if (--holdTime[i]<=0) hold[i]=peak[i]; +// if (--holdTime[i]<=0) i_hold[i]=i_peak[i]; + } + painter.end(); + bitBlt(this, 0, 0, buffer); +} + +void VUMeter::setPeak(int a[]) { + int i; +// qDebug("set peak int"); +// cerr<<"setting peak\n"; + for(i=0;i<tracks+2;i++) { + if (a[i] > i_peak[i]) i_peak[i]= a[i]; + if (a[i] > i_hold[i]) {i_hold[i]=a[i]; holdTime[i]=para.hold;} + } + paint(); +} + +void VUMeter::setPeak(float a[]) { + int i; +// owarn <<"set peak float"<< a[0]<< oendl; + + for(i=0;i<tracks+2;i++) { + if (a[i] > peak[i]) peak[i]= a[i]; + if (a[i] > hold[i]) {hold[i]= a[i]; holdTime[i]=para.hold;} + } + paint(); +} + +void VUMeter::startTimer() { + vuTimer->start(para.update, FALSE); +} + +void VUMeter::stopTimer() { + vuTimer->stop(); +} + +void VUMeter::readConf() { +// Config config("QtRec"); +// config->setGroup("VU-Meter"); + +// para.onOff=config->readBoolEntry("OnOff", true ) ; +// para.update=config->readNumEntry("Update", 50 ); +// para.hold=config->readNumEntry("Hold", 20 ); +// para.reso=config->readNumEntry("Resolution", 3 ); +// para.leds=config->readNumEntry("LEDs", 16 ); +// para.resoFactor=pow(2,para.reso/6.0); + +// update(); +// dia->updatePara(); +} + + +void VUMeter::writeConf() { +// Config config("QtRec"); +// config->setGroup("VU-Meter"); + +// config->writeEntry("OnOff" ,para.onOff ); +// config->writeEntry("Update" ,para.update ); +// config->writeEntry("Hold" ,para.hold ); +// config->writeEntry("Resolution" , para.reso ); +// config->writeEntry("LEDs" , para.leds); + +} |