void RS_GraphicView::zoomAutoY(bool axis) {
if (container) {
double visibleHeight = 0.0;
double minY = RS_MAXDOUBLE;
double maxY = RS_MINDOUBLE;
bool noChange = false;
for(auto e: *container){
if (e->rtti()==RS2::EntityLine) {
RS_Line* l = (RS_Line*)e;
double x1, x2;
x1 = toGuiX(l->getStartpoint().x);
x2 = toGuiX(l->getEndpoint().x);
if ( ((x1 > 0.0) && (x1 < (double) getWidth())) ||
((x2 > 0.0) && (x2 < (double) getWidth())))
{
minY = std::min(minY, l->getStartpoint().y);
minY = std::min(minY, l->getEndpoint().y);
maxY = std::max(maxY, l->getStartpoint().y);
maxY = std::max(maxY, l->getEndpoint().y);
}
}
}
if (axis) {
visibleHeight = std::max(maxY, 0.0) - std::min(minY, 0.0);
} else {
visibleHeight = maxY-minY;
}
if (visibleHeight<1.0) {
noChange = true;
}
double fy = 1.0;
if (visibleHeight>1.0e-6) {
fy = (getHeight()-borderTop-borderBottom)
/ visibleHeight;
if (factor.y<0.000001) {
noChange = true;
}
}
if (noChange==false) {
setFactorY(fy);
//centerOffsetY();
offsetY = (int)((getHeight()-borderTop-borderBottom
- (visibleHeight*factor.y))/2.0
- (minY*factor.y)) + borderBottom;
adjustOffsetControls();
adjustZoomControls();
// updateGrid();
}
RS_DEBUG->print("Auto zoom y ok");
}
}
/**
* This virtual method can be overwritten to draw the absolute
* zero. It's called from within drawIt(). The default implemetation
* draws a simple red cross on the zero of thge sheet
* THis function can ONLY be called from within a paintEvent because it will
* use the painter
*
* @see drawIt()
*/
void RS_GraphicView::drawAbsoluteZero(RS_Painter *painter) {
int zr = 20;
RS_Pen p(QColor(255,0,0), RS2::Width00, RS2::SolidLine);
p.setScreenWidth(0);
painter->setPen(p);
//painter->setBrush(Qt::NoBrush);
painter->drawLine(RS_Vector(toGuiX(0.0)-zr,
toGuiY(0.0)),
RS_Vector(toGuiX(0.0)+zr,
toGuiY(0.0)));
painter->drawLine(RS_Vector(toGuiX(0.0),
toGuiY(0.0)-zr),
RS_Vector(toGuiX(0.0),
toGuiY(0.0)+zr));
}
/**
* This virtual method can be overwritten to draw the relative
* zero point. It's called from within drawIt(). The default implemetation
* draws a simple red round zero point. This is the point that was last created by the user, end of a line for example
* THis function can ONLY be called from within a paintEvent because it will
* use the painter
*
* @see drawIt()
*/
void RS_GraphicView::drawRelativeZero(RS_Painter *painter) {
if (relativeZero.valid==false) {
return;
}
RS_Pen p(RS_Color(255, 0, 0), RS2::Width00, RS2::SolidLine);
p.setScreenWidth(0);
painter->setPen(p);
int zr=5;
painter->drawLine(RS_Vector(toGuiX(relativeZero.x)-zr,
toGuiY(relativeZero.y)),
RS_Vector(toGuiX(relativeZero.x)+zr,
toGuiY(relativeZero.y)));
painter->drawLine(RS_Vector(toGuiX(relativeZero.x),
toGuiY(relativeZero.y)-zr),
RS_Vector(toGuiX(relativeZero.x),
toGuiY(relativeZero.y)+zr));
painter->drawCircle(toGui(relativeZero), 5);
}
/**
* Translates a vector in real coordinates to a vector in screen coordinates.
*/
RS_Vector RS_GraphicView::toGui(RS_Vector v) const{
return RS_Vector(toGuiX(v.x), toGuiY(v.y));
}
/**
* 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 RS_GraphicView::drawEntity(RS_Painter *painter, RS_Entity* e, double& patternOffset) {
// update is diabled:
// given entity is nullptr:
if (!e) {
return;
}
// entity is not visible:
if (!e->isVisible()) {
return;
}
if( isPrintPreview() || isPrinting() ) {
// do not draw construction layer on print preview or print
if( ! e->isPrint()
|| e->isConstruction())
return;
}
// test if the entity is in the viewport
if (!isPrinting() &&
e->rtti() != RS2::EntityGraphic &&
e->rtti() != RS2::EntityLine &&
(toGuiX(e->getMax().x)<0 || toGuiX(e->getMin().x)>getWidth() ||
toGuiY(e->getMin().y)<0 || toGuiY(e->getMax().y)>getHeight())) {
return;
}
// set pen (color):
setPenForEntity(painter, e );
//RS_DEBUG->print("draw plain");
if (isDraftMode()) {
switch(e->rtti()){
case RS2::EntityMText:
case RS2::EntityText:
painter->drawRect(toGui(e->getMin()), toGui(e->getMax()));
break;
case RS2::EntityImage:
// all images as rectangles:
painter->drawRect(toGui(e->getMin()), toGui(e->getMax()));
break;
case RS2::EntityHatch:
//skip hatches
break;
default:
drawEntityPlain(painter, e, patternOffset);
}
} else {
drawEntityPlain(painter, e, patternOffset);
}
// draw reference points:
if (e->isSelected()) {
if (!e->isParentSelected()) {
RS_VectorSolutions const& s = e->getRefPoints();
for (size_t i=0; i<s.getNumber(); ++i) {
int sz = -1;
RS_Color col = handleColor;
if (i == 0) {
col = startHandleColor;
}
else if (i == s.getNumber() - 1) {
col = endHandleColor;
}
if (getDeleteMode()) {
painter->drawHandle(toGui(s.get(i)), background, sz);
} else {
painter->drawHandle(toGui(s.get(i)), col, sz);
}
}
}
}
//RS_DEBUG->print("draw plain OK");
//RS_DEBUG->print("RS_GraphicView::drawEntity() end");
}