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-rw-r--r--noncore/multimedia/opierec/vumeter.cpp280
-rw-r--r--noncore/multimedia/opierec/vumeter.h66
2 files changed, 346 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(&para);
+// 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);
+
+}
diff --git a/noncore/multimedia/opierec/vumeter.h b/noncore/multimedia/opierec/vumeter.h
new file mode 100644
index 0000000..e167686
--- a/dev/null
+++ b/noncore/multimedia/opierec/vumeter.h
@@ -0,0 +1,66 @@
+#ifndef VUMETER_H
+#define VUMETER_H
+
+#include "qtrec.h"
+#include <qpainter.h>
+#include <qpixmap.h>
+#include <qpushbutton.h>
+
+typedef struct {
+ bool onOff;
+ int hold,update,leds,reso;
+ float resoFactor;
+} VUParameters;
+
+class VUMeter: public QWidget
+{
+ Q_OBJECT
+
+public:
+ VUMeter(QWidget *parent=0, const char *name=0, const int tracks=2);
+ ~VUMeter();
+ VUParameters para;
+ QTimer *vuTimer;
+ void startTimer();
+ void stopTimer();
+public slots:
+ void setTracks(int trk) {tracks=trk;};
+ void setPeak(int a[]);
+ void setPeak(float a[]);
+ void timeSlot();
+ void slotOn();
+ void slotOff();
+ void update();
+ void slotProps();
+ void resize();
+ void readConf();
+ void writeConf();
+
+signals:
+ void statusChanged(const char *);
+
+protected:
+
+ virtual void paintEvent(QPaintEvent*);
+ virtual void resizeEvent(QResizeEvent*);
+ virtual void mousePressEvent(QMouseEvent*);
+ void paint();
+private:
+ //bool status;
+ int tracks;
+// VUPara para; // dialogs.h
+ float resoFactor;
+ int x,y,sx,sy,dx,dy,ox,oy;
+ float peak[4], hold[4];
+ int i_peak[4], i_hold[4];
+ int holdTime[4];
+
+ // VUMeterDialog *dia;
+ QPixmap *buffer, *warning; /// ?
+ QPopupMenu *vuProp;
+ QColor color[37];
+
+};
+
+
+#endif