void Nightcharts::drawLegend(QPainter *painter) {
//double ptext = 25;
double angle = palpha;
painter->setPen(Qt::SolidLine);
switch(cltype) {
case Nightcharts::Vertical:
{
int dist = 5;
painter->setBrush(Qt::white);
for (int i = pieces.size()-1; i >= 0; i--) {
painter->setBrush(pieces[i].rgbColor);
float x = lX+dist;
float y = lY+dist+i*(painter->fontMetrics().height()+2*dist);
painter->drawRect(x,y,painter->fontMetrics().height(),painter->fontMetrics().height());
painter->drawText(x+painter->fontMetrics().height()+dist,y+painter->fontMetrics().height()/2+dist,pieces[i].pname + " - " + QString::number(pieces[i].pPerc)+"%");
}
break;
}
case Nightcharts::Round:
for (int i=pieces.size()-1;i>=0;i--) {
float len = 100;
double pdegree = 3.6*pieces[i].pPerc;
angle -= pdegree/2;
QPointF p = GetPoint(angle);
QPointF p_ = GetPoint(angle, cW+len,cH+len);
int q = GetQuater(angle);
if (q == 3 || q == 4)
{
p.setY(p.y()+pW/2);
p_.setY(p_.y()+pW/2);
}
painter->drawLine(p.x(),p.y(),p_.x(),p_.y());
QString label = pieces[i].pname + " - " + QString::number(pieces[i].pPerc)+"%";
float recW = painter->fontMetrics().width(label)+10;
float recH = painter->fontMetrics().height()+10;
p_.setX(p_.x()-recW/2 + recW/2*cos(angle*M_PI/180));
p_.setY(p_.y()+recH/2 + recH/2*sin(angle*M_PI/180));
painter->setBrush(Qt::white);
painter->drawRoundRect(p_.x() ,p_.y(), recW, -recH);
painter->drawText(p_.x()+5, p_.y()-recH/2+5, label);
angle -= pdegree/2;
}
break;
}
}
int Nightcharts::draw(QPainter *painter)
{
painter->setRenderHint(QPainter::Antialiasing);
painter->setPen(Qt::NoPen);
if (this->ctype == Nightcharts::Pie)
{
pW = 0;
double pdegree = 0;
//Options
QLinearGradient gradient(cX+0.5*cW,cY,cX+0.5*cW,cY+cH*2.5);
gradient.setColorAt(1,Qt::black);
//Draw
//pdegree = (360/100)*pieces[i].pPerc;
if (shadows)
{
double sumangle = 0;
for (int i = 0; i < pieces.size(); i++)
{
sumangle += 3.6 * pieces[i].pPerc;
}
painter->setBrush(Qt::darkGray);
painter->drawPie(cX,cY+pW+5,cW,cH,palpha*16,sumangle*16);
}
QPen pen;
pen.setWidth(2);
for (int i = 0; i < pieces.size(); i++)
{
gradient.setColorAt(0, pieces[i].rgbColor);
painter->setBrush(gradient);
pen.setColor(pieces[i].rgbColor);
painter->setPen(pen);
pdegree = 3.6 * pieces[i].pPerc;
painter->drawPie(cX, cY, cW, cH, palpha*16, pdegree*16);
palpha += pdegree;
}
}
else if (this->ctype == Nightcharts::Dpie)
{
pW = 50;
double pdegree = 0;
QPointF p;
QLinearGradient gradient(cX - 0.5 * cW, cY + cH/2, cX + 1.5 * cW, cY + cH/2);
gradient.setColorAt(0,Qt::black);
gradient.setColorAt(1,Qt::white);
QLinearGradient gradient_side(cX, cY + cH, cX + cW, cY + cH);
gradient_side.setColorAt(0,Qt::black);
double sumangle = 0;
for (int i = 0; i < pieces.size(); i++)
{
sumangle += 3.6 * pieces[i].pPerc;
}
if (shadows)
{
painter->setBrush(Qt::darkGray);
painter->drawPie(cX, cY + pW + 5, cW, cH, palpha * 16, sumangle * 16);
}
int q = GetQuater(palpha+sumangle);
if (q ==2 || q==3)
{
QPointF p = GetPoint(palpha+sumangle);
QPointF points[4] =
{
QPointF(p.x(), p.y()),
QPointF(p.x(), p.y() + pW),
QPointF(cX + cW/2, cY + cH/2 + pW),
QPointF(cX + cW/2, cY + cH/2)
};
gradient_side.setColorAt(1, pieces[pieces.size()-1].rgbColor);
painter->setBrush(gradient_side);
painter->drawPolygon(points, 4);
}
p = GetPoint(palpha);
q = GetQuater(palpha);
if (q ==1 || q==4)
{
QPointF points[4] =
{
QPointF(p.x(), p.y()),
QPointF(p.x(), p.y() + pW),
QPointF(cX + cW/2, cY + cH/2 + pW),
QPointF(cX + cW/2, cY + cH/2)
};
gradient_side.setColorAt(1, pieces[0].rgbColor);
painter->setBrush(gradient_side);
painter->drawPolygon(points, 4);
}
for (int i = 0;i < pieces.size(); i++)
{
gradient.setColorAt(0.5, pieces[i].rgbColor);
painter->setBrush(gradient);
pdegree = 3.6 * pieces[i].pPerc;
painter->drawPie(cX, cY, cW, cH, palpha * 16, pdegree * 16);
double a_ = Angle360(palpha);
int q_ = GetQuater(palpha);
palpha += pdegree;
double a = Angle360(palpha);
int q = GetQuater(palpha);
QPainterPath path;
p = GetPoint(palpha);
if((q == 3 || q == 4) && (q_ == 3 || q_ == 4))
{
// 1)
if (a>a_)
{
QPointF p_old = GetPoint(palpha-pdegree);
path.moveTo(p_old.x() - 1, p_old.y());
path.arcTo(cX, cY, cW, cH, palpha-pdegree, pdegree);
path.lineTo(p.x(), p.y() + pW);
path.arcTo(cX, cY + pW, cW, cH, palpha, -pdegree);
}
// 2)
else
{
path.moveTo(cX, cY + cH/2);
path.arcTo(cX, cY, cW, cH, 180, Angle360(palpha) - 180);
path.lineTo(p.x(), p.y() + pW);
path.arcTo(cX, cY + pW, cW, cH, Angle360(palpha), -Angle360(palpha) + 180);
path.lineTo(cX, cY + cH/2);
path.moveTo(p.x(), p.y());
path.arcTo(cX, cY, cW, cH, palpha-pdegree, 360 - Angle360(palpha - pdegree));
path.lineTo(cX + cW, cY + cH/2 + pW);
path.arcTo(cX, cY + pW, cW, cH, 0, -360 + Angle360(palpha - pdegree));
}
}
// 3)
else if((q == 3 || q == 4) && (q_ == 1 || q_ == 2) && a>a_ )
{
path.moveTo(cX,cY+cH/2);
path.arcTo(cX,cY,cW,cH,180,Angle360(palpha)-180);
path.lineTo(p.x(),p.y()+pW);
path.arcTo(cX,cY+pW,cW,cH,Angle360(palpha),-Angle360(palpha)+180);
path.lineTo(cX,cY+cH/2);
}
// 4)
else if((q == 1 || q == 2) && (q_ == 3 || q_ == 4) && a<a_)
{
p = GetPoint(palpha-pdegree);
path.moveTo(p.x(),p.y());
path.arcTo(cX,cY,cW,cH,palpha-pdegree,360-Angle360(palpha-pdegree));
path.lineTo(cX+cW,cY+cH/2+pW);
path.arcTo(cX,cY+pW,cW,cH,0,-360+Angle360(palpha-pdegree));
}
// 5)
else if((q ==1 || q==2) && (q_==1 || q_==2) && a<a_)
{
path.moveTo(cX,cY+cH/2);
path.arcTo(cX,cY,cW,cH,180,180);
path.lineTo(cX+cW,cY+cH/2+pW);
path.arcTo(cX,cY+pW,cW,cH,0,-180);
path.lineTo(cX,cY+cH/2);
}
if (!path.isEmpty())
{
gradient_side.setColorAt(1,pieces[i].rgbColor);
painter->setBrush(gradient_side);
painter->drawPath(path);
}
}
}
else if (this->ctype==Nightcharts::Histogramm)
{
double pDist = 15;
double pW = (cW-(pieces.size())*pDist)/pieces.size();
QLinearGradient gradient(cX + cW/2, cY, cX + cW/2, cY + cH);
gradient.setColorAt(0,Qt::black);
QPen pen;
pen.setWidth(3);
for (int i = 0;i < pieces.size(); i++)
{
if (shadows)
{
painter->setPen(Qt::NoPen);
painter->setBrush(Qt::darkGray);
painter->drawRect(cX+pDist+i*(pW + pDist)-pDist/2,cY+cH-1,pW,-cH/100*pieces[i].pPerc+pDist/2-5);
}
gradient.setColorAt(1,pieces[i].rgbColor);
painter->setBrush(gradient);
pen.setColor(pieces[i].rgbColor);
painter->setPen(pen);
painter->drawRect(cX+pDist+i*(pW + pDist),cY+cH,pW,-cH/100*pieces[i].pPerc-5);
QString label = QString::number(pieces[i].pPerc)+"%";
painter->setPen(Qt::SolidLine);
painter->drawText(cX+pDist+i*(pW + pDist)+pW/2-painter->fontMetrics().width(label)/2,cY+cH-cH/100*pieces[i].pPerc-painter->fontMetrics().height()/2,label);
}
painter->setPen(Qt::SolidLine);
for (int i = 1; i < 10; i++)
{
painter->drawLine(cX - 3, cY + cH/10 * i, cX + 3, cY + cH/10 * i); //§Õ§Ö§Ý§Ö§ß§Ú§ñ §á§à §à§ã§Ú Y
//painter->drawText(cX-20,cY+cH/10*i,QString::number((10-i)*10)+"%");
}
painter->drawLine(cX,cY+cH,cX,cY); //§à§ã§î Y
painter->drawLine(cX,cY,cX+4,cY+10); //§ã§ä§â§Ö§Ý§Ü§Ú
painter->drawLine(cX,cY,cX-4,cY+10);
painter->drawLine(cX,cY+cH,cX+cW,cY+cH); //§à§ã§î §·
}
return 0;
}
void DiagramWindow::paintEvent(QPaintEvent *event)
{
(void)event;
QPainter painter(this);
painter.setRenderHints(QPainter::Antialiasing, true);
pW = 50 - float(coords.y()) / this->height() * 50;
cH = float(coords.y()) / this->height() * 150;
if (cH > 150 / 3 + 30) // /3 == *60/180
{
cH = 150 / 3 + 30;
pW = 50 - cH / 150 * 50;
}
else if (cH < 150 / 6 + 30) // /6 == *30/180
{
cH = 150 / 6 + 30;
pW = 50 - cH / 150 * 50;
}
QLinearGradient gradient(cX - 0.5 * cW, cY + cH / 2, cX + 1.5 * cW, cY + cH / 2);
gradient.setColorAt(0, Qt::black);
gradient.setColorAt(1, Qt::white);
QLinearGradient gradientSide(cX, cY + cH, cX + cW ,cY + cH);
gradientSide.setColorAt(0, Qt::black);
double pAlpha = float(coords.x()) / this->width() * 360;
if (pAlpha > 360)
{
pAlpha = 360;
}
else if (pAlpha < 0)
{
pAlpha = 0;
}
auto data = m_model->getData();
float allPopulation = 0;
for (int i = 0; i < data.size(); i++)
{
allPopulation += data[i].population;
}
double pDegree = 0;
QPointF p;
QVector<QColor> colors = {Qt::red, Qt::green, Qt::blue, Qt::cyan, Qt::magenta, Qt::yellow, Qt::gray};
for (int i = 0; i < data.size(); i++)
{
gradient.setColorAt(0.5, colors[i % 7]);
painter.setBrush(gradient);
pDegree = (data[i].population / allPopulation) * 360;
painter.drawPie(cX, cY, cW, cH, pAlpha * 16, pDegree * 16);
double alphaPrev = Angle360(pAlpha);
int quatPrev = GetQuater(pAlpha);
pAlpha += pDegree;
double alphaNext = Angle360(pAlpha);
int quatNext = GetQuater(pAlpha);
QPainterPath path;
p = GetPoint(pAlpha);
if((quatNext == 3 || quatNext == 4) && (quatPrev == 3 || quatPrev == 4))
{
if (alphaNext > alphaPrev)
{
QPointF pOld = GetPoint(pAlpha - pDegree);
path.moveTo(pOld.x() - 1, pOld.y());
path.arcTo(cX, cY, cW, cH, pAlpha - pDegree, pDegree);
path.lineTo(p.x(), p.y() + pW);
path.arcTo(cX, cY + pW, cW, cH, pAlpha, -pDegree);
}
else
{
path.moveTo(cX,cY + cH / 2);
path.arcTo(cX, cY, cW, cH, 180, Angle360(pAlpha) - 180);
path.lineTo(p.x(), p.y() + pW);
path.arcTo(cX, cY + pW,cW,cH, Angle360(pAlpha), -Angle360(pAlpha) + 180);
path.lineTo(cX, cY + cH / 2);
path.moveTo(p.x(), p.y());
path.arcTo(cX, cY, cW, cH, pAlpha - pDegree, 360 - Angle360(pAlpha - pDegree));
path.lineTo(cX + cW, cY + cH/2 + pW);
path.arcTo(cX, cY + pW, cW, cH, 0, -360 + Angle360(pAlpha - pDegree));
}
}
else if((quatNext == 3 || quatNext == 4) && (quatPrev == 1 || quatPrev == 2) && alphaNext > alphaPrev )
{
path.moveTo(cX, cY + cH / 2);
path.arcTo(cX, cY, cW, cH, 180, Angle360(pAlpha) - 180);
path.lineTo(p.x(), p.y() + pW);
path.arcTo(cX, cY + pW, cW, cH, Angle360(pAlpha), -Angle360(pAlpha) + 180);
path.lineTo(cX, cY + cH / 2);
}
else if((quatNext == 1 || quatNext == 2) && (quatPrev == 3 || quatPrev == 4) && alphaNext < alphaPrev)
{
p = GetPoint(pAlpha - pDegree);
path.moveTo(p.x(), p.y());
path.arcTo(cX, cY, cW, cH, pAlpha - pDegree, 360 - Angle360(pAlpha - pDegree));
path.lineTo(cX + cW, cY + cH / 2 + pW);
path.arcTo(cX, cY + pW, cW, cH, 0, -360 + Angle360(pAlpha - pDegree));
}
if (!path.isEmpty())
{
gradientSide.setColorAt(1, colors[i]);
painter.setBrush(gradientSide);
painter.drawPath(path);
}
}
}