add rainbow leds

2 files changed, 171 insertions, 215 deletions

diff --git a/noncore/multimedia/opierec/vumeter.cpp b/noncore/multimedia/opierec/vumeter.cpp
index 8bab2f2..0edc806 100644
--- a/noncore/multimedia/opierec/vumeter.cpp
+++ b/noncore/multimedia/opierec/vumeter.cpp
@@ -1,108 +1,93 @@
+//************************************************************
+//=======-VUMeter
+/////     copyright            : (C) 1999 by Martin Lorenz
+//////    email                : lorenz@ch.tum.de
+
 #include "vumeter.h"
 #include "qtrec.h"
+
+#include <qpe/config.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
+#include <math.h>
 
 VUMeter::VUMeter(QWidget *parent, const char *name, const int tr)
-                : QWidget( parent, name )
+   : 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();
+   int tracks = tr;
+   int i;
+
+   qWarning("initialize peakvalues");
+   for(i = 0; i < tracks + 2; i++) {
+      peak[i] = hold[i] = 32768;
+      holdTime[i] = 20;
+   }
+
+   readConf();
+
+//  QColor c;
+//  c.setHsv( (x * 255)/w, 255, 255 );// rainbow effect
+//  c.setRgb( 255, 0, 255);
+//  p.setPen(c);
+
+   //rainbow effect
+   if( colorScheme = 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;
+   } else {
+      int j = para.leds - 4;
+      for( i = 0; i < para.leds; i++) {
+         int i16 = (j);// & 15;
+         color[i] = QColor(( 15 - i16) * 16, 255, 255, QColor::Hsv);
+         owarn << color[i].name() << oendl;
+         j--;
+      }
+   }
+      
+   buffer = new QPixmap();
+   setBackgroundMode(NoBackground);
+   vuTimer = new QTimer(this,"vu timer");
+
+   connect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot()));
 }
 
 VUMeter::~VUMeter(){
-//  delete vuProp;
+   writeConf();
 }
 
 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();
+   qWarning("vumeter update");
+   vuTimer->start(para.update, FALSE);
+   if (para.onOff) {
+      disconnect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot()));
+      connect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot()));
+   } else {
+      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);
+   connect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot()));
+   para.onOff=true;
 }
 
 void VUMeter::slotOff() {
-        disconnect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot()));
-        para.onOff=false;
-//      dia->updatePara();
-//      vuProp->setItemEnabled(0, TRUE);
-//      vuProp->setItemEnabled(1, FALSE);
+   disconnect(vuTimer, SIGNAL(timeout()), this , SLOT(timeSlot()));
+   para.onOff=false;
 }
 
 void VUMeter::slotProps() {
-        qDebug("VU-Dialog");
-//    dia->show();
+   qDebug("VU-Dialog");
 }
 
 void VUMeter::paintEvent(QPaintEvent* e) {
    Q_UNUSED(e);
-        bitBlt(this, 0, 0, buffer);
+   bitBlt(this, 0, 0, buffer);
 }
 
@@ -110,171 +95,146 @@ void VUMeter::paintEvent(QPaintEvent* e) {
 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();
+   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();
-        }
+   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 {
+      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.setPen(black);
+         painter.drawText(textOffset + ox + dx * i, oy + dy * (para.leds) - 2, sx, 2 * dy, AlignCenter, str);
+      }
+      painter.end();
+      paint();
+   }
 }
 
 void VUMeter::timeSlot() {
-        int i;
+   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";
-
+   paint();
+   for(i = 0; i < tracks + 2; i++) {
+      peak[i] /= para.resoFactor;
+   }
 }
 
 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);
+   int i, k;
+   float p, h ;
+   QPainter painter;
+   painter.begin(buffer);
+   int c;
+
+           for(i = 0; i < tracks + 2; i++){
+      p = peak[i]; h = hold[i];
+      if (p >= 32767) p = 32768;
+      if (h >= 32767) h = 32768;
+                                for(k = para.leds + 1; k >= 2; k--){
+         c = para.leds + 1 - k;
+         if (p >= 32768) {  //LED on
+            painter.setBrush(color[c]);
+         } else { //LED off
+            painter.setBrush(color[c].dark(300));
+         }
+         if (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;
+      }
+      if ( --holdTime[i] <= 0) hold[i] = peak[i];
+   }
+   painter.end();
+   bitBlt(this, 0, 0, buffer);
 }
 
 void VUMeter::setPeak(int a[]) {
-        int i;
+   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();
+   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();
+   int i;
+   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);
+   vuTimer->start(para.update, FALSE);
 }
 
 void VUMeter::stopTimer() {
-        vuTimer->stop();
+   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();
-}
+   Config config("OpieRec");
+   config.setGroup("VU-Meter");
 
+   para.onOff = config.readBoolEntry("OnOff", true);
+   para.update = config.readNumEntry("Update", 25);
+   para.hold = config.readNumEntry("Hold", 20);
+   para.reso = config.readNumEntry("Resolution", 3);
+   para.leds = config.readNumEntry("LEDs", 20);
+   para.resoFactor = pow(2, para.reso / 6.0);
 
-void VUMeter::writeConf() {
-//       Config config("QtRec");
-//       config->setGroup("VU-Meter");
+   colorScheme = config.readNumEntry("colorScheme", 0);
+//   update();
+//   dia->updatePara();
+}
 
-//      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);
 
+void VUMeter::writeConf() {
+   Config config("OpieRec");
+   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
index e167686..435dff5 100644
--- a/noncore/multimedia/opierec/vumeter.h
+++ b/noncore/multimedia/opierec/vumeter.h
@@ -47,7 +47,5 @@ protected:
   void paint();
 private:
-                //bool status;
-  int tracks;
-//  VUPara para;    //  dialogs.h
+  int tracks, colorScheme;
   float resoFactor;
   int x,y,sx,sy,dx,dy,ox,oy;
@@ -56,9 +54,7 @@ private:
   int holdTime[4];
 
-    // VUMeterDialog *dia;
-  QPixmap *buffer, *warning; /// ?
+  QPixmap *buffer, *warning;
   QPopupMenu *vuProp;
   QColor color[37];
-
 };