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removed all FFT code and cleaned up deleted code in graphwidget.cpp

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This commit is contained in:
csoler 2017-04-19 18:46:58 +02:00
parent 1da89dd70d
commit f406b81238
1 changed files with 0 additions and 145 deletions
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145
retroshare-gui/src/gui/elastic/graphwidget.cpp
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@ -51,86 +51,9 @@
#include <math.h>
#define SWAP(a,b) tempr=(a);(a)=(b);(b)=tempr
void fourn(double data[],unsigned long nn[],unsigned long ndim,int isign)
{
int i1,i2,i3,i2rev,i3rev,ip1,ip2,ip3,ifp1,ifp2;
int ibit,idim,k1,k2,n,nprev,nrem,ntot;
double tempi,tempr;
double theta,wi,wpi,wpr,wr,wtemp;
ntot=1;
for (idim=1;idim<=(long)ndim;++idim)
ntot *= nn[idim];
nprev=1;
for (idim=ndim;idim>=1;idim--) {
n=nn[idim];
nrem=ntot/(n*nprev);
ip1=nprev << 1;
ip2=ip1*n;
ip3=ip2*nrem;
i2rev=1;
for (i2=1;i2<=ip2;i2+=ip1) {
if (i2 < i2rev) {
for (i1=i2;i1<=i2+ip1-2;i1+=2) {
for (i3=i1;i3<=ip3;i3+=ip2) {
i3rev=i2rev+i3-i2;
SWAP(data[i3],data[i3rev]);
SWAP(data[i3+1],data[i3rev+1]);
}
}
}
ibit=ip2 >> 1;
while (ibit >= ip1 && i2rev > ibit) {
i2rev -= ibit;
ibit >>= 1;
}
i2rev += ibit;
}
ifp1=ip1;
while (ifp1 < ip2) {
ifp2=ifp1 << 1;
theta=isign*6.28318530717959/(ifp2/ip1);
wtemp=sin(0.5*theta);
wpr = -2.0*wtemp*wtemp;
wpi=sin(theta);
wr=1.0;
wi=0.0;
for (i3=1;i3<=ifp1;i3+=ip1) {
for (i1=i3;i1<=i3+ip1-2;i1+=2) {
for (i2=i1;i2<=ip3;i2+=ifp2) {
k1=i2;
k2=k1+ifp1;
tempr=wr*data[k2]-wi*data[k2+1];
tempi=wr*data[k2+1]+wi*data[k2];
data[k2]=data[k1]-tempr;
data[k2+1]=data[k1+1]-tempi;
data[k1] += tempr;
data[k1+1] += tempi;
}
}
wr=(wtemp=wr)*wpr-wi*wpi+wr;
wi=wi*wpr+wtemp*wpi+wi;
}
ifp1=ifp2;
}
nprev *= n;
}
}
#undef SWAP
GraphWidget::GraphWidget(QWidget *)
: timerId(0), mIsFrozen(false)
{
// QGraphicsScene *scene = new QGraphicsScene(QRectF(0,0,500,500),this);
// scene->setItemIndexMethod(QGraphicsScene::NoIndex);
// scene->clear() ;
// setScene(scene);
// scene()->setSceneRect(0, 0, width(), height());
setCacheMode(CacheBackground);
setViewportUpdateMode(BoundingRectViewportUpdate);
setRenderHint(QPainter::Antialiasing);
@ -143,18 +66,6 @@ GraphWidget::GraphWidget(QWidget *)
void GraphWidget::clearGraph()
{
// QGraphicsScene *scene = new QGraphicsScene(this);
// scene->setItemIndexMethod(QGraphicsScene::NoIndex);
// setScene(scene);
// scene->addItem(centerNode);
// centerNode->setPos(0, 0);
// if (oldscene != NULL)
// {
// delete oldscene;
// }
scene()->clear();
scene()->setSceneRect(0, 0, width(), height());
@ -230,18 +141,6 @@ void GraphWidget::itemMoved()
void GraphWidget::keyPressEvent(QKeyEvent *event)
{
switch (event->key()) {
// case Qt::Key_Up:
// centerNode->moveBy(0, -20);
// break;
// case Qt::Key_Down:
// centerNode->moveBy(0, 20);
// break;
// case Qt::Key_Left:
// centerNode->moveBy(-20, 0);
// break;
// case Qt::Key_Right:
// centerNode->moveBy(20, 0);
// break;
case Qt::Key_Plus:
scaleView(qreal(1.2));
break;
@ -282,9 +181,6 @@ static void convolveWithForce(double *forceMap,unsigned int S,int /*s*/)
bf[i][j*2+1] = 0 ;
}
//unsigned long nn[2] = {S,S};
//fourn(&bf[-1],&nn[-1],2,1) ;
ip = fft::alloc_1d_int(2 + (int) sqrt(S + 0.5));
w = fft::alloc_1d_double(S/2+S);
ip[0] = 0;
@ -304,8 +200,6 @@ static void convolveWithForce(double *forceMap,unsigned int S,int /*s*/)
fft::cdft2d(S, 2*S, 1, tmp, ip, w);
//fourn(&forceMap[-1],&nn[-1],2,1) ;
for (unsigned int i=0;i<S;++i)
for (unsigned int j=0;j<S;++j)
{
@ -318,8 +212,6 @@ static void convolveWithForce(double *forceMap,unsigned int S,int /*s*/)
fft::cdft2d(S, 2*S,-1, tmp, ip, w);
//fourn(&forceMap[-1],&nn[-1],2,-1) ;
memcpy(forceMap,tmp[0],S*S*2*sizeof(double)) ;
for(uint32_t i=0;i<2*S*S;++i)
@ -461,43 +353,6 @@ void GraphWidget::wheelEvent(QWheelEvent *event)
scaleView(pow((double)2, -event->delta() / 240.0));
}
//void GraphWidget::drawBackground(QPainter *painter, const QRectF &rect)
//{
// Q_UNUSED(rect);
//
// // Shadow
// QRectF sceneRect = this->sceneRect();
// QRectF rightShadow(sceneRect.right(), sceneRect.top() + 5, 5, sceneRect.height());
// QRectF bottomShadow(sceneRect.left() + 5, sceneRect.bottom(), sceneRect.width(), 5);
// if (rightShadow.intersects(rect) || rightShadow.contains(rect))
// painter->fillRect(rightShadow, Qt::darkGray);
// if (bottomShadow.intersects(rect) || bottomShadow.contains(rect))
// painter->fillRect(bottomShadow, Qt::darkGray);
//
// // Fill
// QLinearGradient gradient(sceneRect.topLeft(), sceneRect.bottomRight());
// gradient.setColorAt(0, Qt::white);
// gradient.setColorAt(1, Qt::lightGray);
// painter->fillRect(rect.intersected(sceneRect), gradient);
// painter->setBrush(Qt::NoBrush);
// painter->drawRect(sceneRect);
//
// // Text
// QRectF textRect(sceneRect.left() + 4, sceneRect.top() + 4,
// sceneRect.width() - 4, sceneRect.height() - 4);
// QString message(tr("Click and drag the nodes around, and zoom with the mouse "
// "wheel or the '+' and '-' keys"));
//
// QFont font = painter->font();
// font.setBold(true);
// font.setPointSize(14);
// painter->setFont(font);
// painter->setPen(Qt::lightGray);
// painter->drawText(textRect.translated(2, 2), message);
// painter->setPen(Qt::black);
// painter->drawText(textRect, message);
//}
void GraphWidget::scaleView(qreal scaleFactor)
{
qreal factor = matrix().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width();