/**
* Draws the grid.
*
* @see drawIt()
*/
void RS_GraphicView::drawGrid(RS_Painter *painter) {
if (grid==NULL || isGridOn()==false) {
return;
}
// draw grid:
//painter->setPen(Qt::gray);
painter->setPen(gridColor);
// grid->updatePointArray();
RS_Vector* pts = grid->getPoints();
if (pts!=NULL) {
for (int i=0; i<grid->count(); ++i) {
painter->drawGridPoint(toGui(pts[i]));
}
}
// draw grid info:
//painter->setPen(Qt::white);
QString info = grid->getInfo();
//info = QString("%1 / %2")
// .arg(grid->getSpacing())
// .arg(grid->getMetaSpacing());
updateGridStatusWidget(info);
}
/**
* Draws the grid.
*
* @see drawIt()
*/
void RS_GraphicView::drawGrid(RS_Painter *painter) {
if (!(grid && isGridOn())) return;
// draw grid:
//painter->setPen(Qt::gray);
painter->setPen(gridColor);
//grid->updatePointArray();
auto const& pts = grid->getPoints();
for(auto const& v: pts){
painter->drawGridPoint(toGui(v));
}
// draw grid info:
//painter->setPen(Qt::white);
QString info = grid->getInfo();
//info = QString("%1 / %2")
// .arg(grid->getSpacing())
// .arg(grid->getMetaSpacing());
updateGridStatusWidget(info);
}
/**
* Draws the meta grid.
*
* @see drawIt()
*/
void RS_GraphicView::drawMetaGrid(RS_Painter *painter) {
if (!(grid && isGridOn()) /*|| grid->getMetaSpacing()<0.0*/) {
return;
}
//draw grid after metaGrid to avoid overwriting grid points by metaGrid lines
//bug# 3430258
grid->updatePointArray();
RS_Pen pen(metaGridColor,
RS2::Width00,
RS2::DotLine);
painter->setPen(pen);
RS_Vector dv=grid->getMetaGridWidth().scale(factor);
double dx=fabs(dv.x);
double dy=fabs(dv.y); //potential bug, need to recover metaGrid.width
// draw meta grid:
auto mx = grid->getMetaX();
for(auto const& x: mx){
painter->drawLine(RS_Vector(toGuiX(x), 0),
RS_Vector(toGuiX(x), getHeight()));
if(grid->isIsometric()){
painter->drawLine(RS_Vector(toGuiX(x)+0.5*dx, 0),
RS_Vector(toGuiX(x)+0.5*dx, getHeight()));
}
}
auto my = grid->getMetaY();
if(grid->isIsometric()){//isometric metaGrid
dx=fabs(dx);
dy=fabs(dy);
if(!my.size()|| dx<1||dy<1) return;
RS_Vector baseMeta(toGui(RS_Vector(mx[0],my[0])));
// x-x0=k*dx, x-remainder(x-x0,dx)
RS_Vector vp0(-remainder(-baseMeta.x,dx)-dx,getHeight()-remainder(getHeight()-baseMeta.y,dy)+dy);
RS_Vector vp1(vp0);
RS_Vector vp2(getWidth()-remainder(getWidth()-baseMeta.x,dx)+dx,vp0.y);
RS_Vector vp3(vp2);
int cmx = round((vp2.x - vp0.x)/dx);
int cmy = round((vp0.y +remainder(-baseMeta.y,dy)+dy)/dy);
for(int i=cmx+cmy+2;i>=0;i--){
if ( i <= cmx ) {
vp0.x += dx;
vp2.y -= dy;
}else{
vp0.y -= dy;
vp2.x -= dx;
}
if ( i <= cmy ) {
vp1.y -= dy;
vp3.x -= dx;
}else{
vp1.x += dx;
vp3.y -= dy;
}
painter->drawLine(vp0,vp1);
painter->drawLine(vp2,vp3);
}
}else{//orthogonal
for(auto const& y: my){
painter->drawLine(RS_Vector(0, toGuiY(y)),
RS_Vector(getWidth(), toGuiY(y)));
}
}
}
void GridFitting::paint(QPainter * painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
Axis t(0, ylabel->getNpoints(), 0, xlabel->getNpoints());
axis = t;
if (!cw) {
cw = widget->rect().width();
}
if (!ch) {
ch = widget->rect().height();
}
painter->setFont(*textFont);
painter->fillRect(widget->rect(), background);
double w1 = 0, h1 = 0;
offset = 30;
w1 = offset;
if (widget->rect().width() != w) {
if (w) {
rW = (double) (cw / widget->rect().width());
} else {
rW = 1;
}
}
if (widget->rect().height() != h) {
if (h) {
rH = (double) (ch / widget->rect().height());
} else {
rH = 1;
}
}
w = widget->rect().width();
h = widget->rect().height();
h1 = h - offset;
painter->drawLine(QLineF(QPointF(0, h1), QPointF(w, h1)));
painter->drawLine(QLineF(QPointF(offset, 0), QPointF(offset, h)));
w1 = w - offset;
h1 = h - offset;
int k = 1, k1 = 1;
Xintervalsw = w1 / axis.x;
double stepx =rW * sX*Xintervalsw;
double ticksw = tX*stepx;
for (double i = 0; i < w; i += Xintervalsw) {
QLineF a;
if (i >= k * (ticksw)) {
a.setPoints(QPointF(offset + i, h1), QPointF(offset + i, h1 - offset / 5));
QRectF text;
text.setX(offset + i - ticksw / 2);
text.setY(h1);
text.setWidth(ticksw);
text.setHeight(20);
QTextOption fmt(Qt::AlignTop | Qt::AlignCenter);
double t = i / Xintervalsw;
painter->drawText(text, QString::number(xlabel->getElement(t-1), 10, 2), fmt);
k++;
k1++;
painter->drawLine(a);
} else if (i >= k1 * stepx) {
a.setPoints(QPointF(i + offset, h1), QPointF(i + offset, h1 - offset / 10));
painter->drawLine(a);
k1++;
}
}
k = 1;
k1 = 1;
Yintervalsh = h1 / axis.y;
ZeroPoint = axis.Hy*Yintervalsh;
double stepy = rH * sY*Yintervalsh;
double ticksh = tY*stepy;
for (double i = 0,j=0; i < h1; i += Yintervalsh,j++) {
QLineF a;
if (i >= (k * ticksh)) {
a.setPoints(QPointF(offset, i), QPointF(offset + offset / 5, i));
QRectF text;
text.setX(0);
text.setY(i - ticksh / 2);
text.setWidth(offset);
QTextOption fmt(Qt::AlignHCenter | Qt::AlignCenter);
text.setHeight(ticksh);
QString str = QString::number(ylabel->getElement(i / Yintervalsh-1), 10, 2);
painter->drawText(text, str, fmt);
k++;
k1++;
painter->drawLine(a);
} else if (i >= k1 * stepy) {
a.setPoints(QPointF(offset, i), QPointF(offset + offset / 10, i));
painter->drawLine(a);
k1++;
}
}
if (isGridOn()) {
painter->setPen(gridpen);
k = 1;
for (float i = 0; i < axis.y; i++) {
QLineF a;
if (i >= k * sY * tY) {
a.setPoints(QPointF(offset, i * Yintervalsh), QPointF(w, i * Yintervalsh));
painter->drawLine(a);
k++;
}
}
k = 1;
for (double i = 0; i < w; i += Xintervalsw) {
QLineF a;
if (i >= k * ticksw) {
a.setPoints(QPointF(offset + i, 0), QPointF(offset + i, h1));
painter->drawLine(a);
k++;
}
}
}
}
