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Add Mod/TechDraw/Gui

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WandererFan
2016-01-14 16:00:13 -05:00
committed by wmayer
parent 189839e93d
commit 7c009c6def
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src/Mod/TechDraw/Gui/QGIViewPart.cpp Normal file
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/***************************************************************************
* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <cmath>
#include <qmath.h>
#include <strstream>
#include <QAction>
#include <QApplication>
#include <QContextMenuEvent>
#include <QGraphicsScene>
#include <QMenu>
#include <QMouseEvent>
#include <QGraphicsSceneHoverEvent>
#include <QPainterPathStroker>
#include <QPainter>
#include <QTextOption>
#endif // #ifndef _PreComp_
#include <App/Application.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/Material.h>
#include <Base/Console.h>
#include <Base/Parameter.h>
#include "../App/DrawUtil.h"
#include "../App/DrawViewPart.h"
#include "../App/DrawHatch.h"
#include "QGIViewPart.h"
using namespace TechDrawGui;
void _dumpPath(const char* text,QPainterPath path);
const float lineScaleFactor = 1.; // temp fiddle for devel
const float vertexScaleFactor = 2.; // temp fiddle for devel
QGIViewPart::QGIViewPart(const QPoint &pos, QGraphicsScene *scene)
:QGIView(pos, scene)
{
setHandlesChildEvents(false);
setCacheMode(QGI::NoCache);
setAcceptHoverEvents(true);
setFlag(QGI::ItemIsMovable, true);
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/Drawing/Colors");
App::Color fcColor = App::Color((uint32_t) hGrp->GetUnsigned("HiddenColor", 0x08080800));
m_colHid = fcColor.asQColor();
}
QGIViewPart::~QGIViewPart()
{
tidy();
}
QVariant QGIViewPart::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == ItemSelectedHasChanged && scene()) {
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); ++it) {
QGIEdge *edge = dynamic_cast<QGIEdge *>(*it);
QGIVertex *vert = dynamic_cast<QGIVertex *>(*it);
if(edge) {
edge->setHighlighted(isSelected());
} else if(vert){
vert->setHighlighted(isSelected());
}
}
} else if(change == ItemSceneChange && scene()) {
tidy();
}
return QGIView::itemChange(change, value);
}
void QGIViewPart::tidy()
{
//Delete any leftover items
for(QList<QGI *>::iterator it = deleteItems.begin(); it != deleteItems.end(); ++it) {
delete *it;
}
deleteItems.clear();
}
void QGIViewPart::setViewPartFeature(TechDraw::DrawViewPart *obj)
{
// called from QGVPage
setViewFeature(static_cast<TechDraw::DrawView *>(obj));
}
QPainterPath QGIViewPart::drawPainterPath(DrawingGeometry::BaseGeom *baseGeom) const
{
QPainterPath path;
switch(baseGeom->geomType) {
case DrawingGeometry::CIRCLE: {
DrawingGeometry::Circle *geom = static_cast<DrawingGeometry::Circle *>(baseGeom);
double x = geom->center.fX - geom->radius;
double y = geom->center.fY - geom->radius;
path.addEllipse(x, y, geom->radius * 2, geom->radius * 2); //topleft@(x,y) radx,rady
//Base::Console().Message("TRACE -drawPainterPath - making an CIRCLE @(%.3f,%.3f) R:%.3f\n",x, y, geom->radius);
} break;
case DrawingGeometry::ARCOFCIRCLE: {
DrawingGeometry::AOC *geom = static_cast<DrawingGeometry::AOC *>(baseGeom);
//double x = geom->center.fX - geom->radius;
//double y = geom->center.fY - geom->radius;
pathArc(path, geom->radius, geom->radius, 0., geom->largeArc, geom->cw,
geom->endPnt.fX, geom->endPnt.fY,
geom->startPnt.fX, geom->startPnt.fY);
//Base::Console().Message("TRACE -drawPainterPath - making an ARCOFCIRCLE @(%.3f,%.3f) R:%.3f\n",x, y, geom->radius);
} break;
case DrawingGeometry::ELLIPSE: {
DrawingGeometry::Ellipse *geom = static_cast<DrawingGeometry::Ellipse *>(baseGeom);
// Calculate start and end points as ellipse with theta = 0 and pi
double startX = geom->center.fX + geom->major * cos(geom->angle),
startY = geom->center.fY + geom->major * sin(geom->angle),
endX = geom->center.fX - geom->major * cos(geom->angle),
endY = geom->center.fY - geom->major * sin(geom->angle);
pathArc(path, geom->major, geom->minor, geom->angle, false, false,
endX, endY, startX, startY);
pathArc(path, geom->major, geom->minor, geom->angle, false, false,
startX, startY, endX, endY);
//Base::Console().Message("TRACE -drawPainterPath - making an ELLIPSE @(%.3f,%.3f) R1:%.3f R2:%.3f\n",x, y, geom->major, geom->minor);
} break;
case DrawingGeometry::ARCOFELLIPSE: {
DrawingGeometry::AOE *geom = static_cast<DrawingGeometry::AOE *>(baseGeom);
pathArc(path, geom->major, geom->minor, geom->angle, geom->largeArc, geom->cw,
geom->endPnt.fX, geom->endPnt.fY,
geom->startPnt.fX, geom->startPnt.fY);
//Base::Console().Message("TRACE -drawPainterPath - making an ARCOFELLIPSE R1:%.3f R2:%.3f From: (%.3f,%.3f) To: (%.3f,%.3f)\n",geom->major, geom->minor,geom->startPnt.fX, geom->startPnt.fY,geom->endPnt.fX, geom->endPnt.fY);
} break;
case DrawingGeometry::BSPLINE: {
DrawingGeometry::BSpline *geom = static_cast<DrawingGeometry::BSpline *>(baseGeom);
std::vector<DrawingGeometry::BezierSegment>::const_iterator it = geom->segments.begin();
// Move painter to the beginning of our first segment
path.moveTo(it->pnts[0].fX, it->pnts[0].fY);
//Base::Console().Message("TRACE -drawPainterPath - making an BSPLINE From: (%.3f,%.3f)\n",it->pnts[0].fX,it->pnts[0].fY);
for ( ; it != geom->segments.end(); ++it) {
// At this point, the painter is either at the beginning
// of the first segment, or end of the last
if ( it->poles == 2 ) {
// Degree 1 bezier = straight line...
path.lineTo(it->pnts[1].fX, it->pnts[1].fY);
} else if ( it->poles == 3 ) {
path.quadTo(it->pnts[1].fX, it->pnts[1].fY,
it->pnts[2].fX, it->pnts[2].fY);
} else if ( it->poles == 4 ) {
path.cubicTo(it->pnts[1].fX, it->pnts[1].fY,
it->pnts[2].fX, it->pnts[2].fY,
it->pnts[3].fX, it->pnts[3].fY);
} else { //can only handle lines,quads,cubes
Base::Console().Error("Bad pole count (%d) for BezierSegment of BSpline geometry\n",it->poles);
path.lineTo(it->pnts[1].fX, it->pnts[1].fY); //show something for debugging
}
}
} break;
case DrawingGeometry::GENERIC: {
DrawingGeometry::Generic *geom = static_cast<DrawingGeometry::Generic *>(baseGeom);
path.moveTo(geom->points[0].fX, geom->points[0].fY);
std::vector<Base::Vector2D>::const_iterator it = geom->points.begin();
//Base::Console().Message("TRACE -drawPainterPath - making an GENERIC From: (%.3f,%.3f)\n",geom->points[0].fX, geom->points[0].fY);
for(++it; it != geom->points.end(); ++it) {
path.lineTo((*it).fX, (*it).fY);
//Base::Console().Message(">>>> To: (%.3f,%.3f)\n",(*it).fX, (*it).fY);
}
} break;
default:
Base::Console().Error("Error - drawPainterPath - UNKNOWN geomType: %d\n",baseGeom->geomType);
break;
}
double rot = getViewObject()->Rotation.getValue();
if (rot) {
QTransform t;
t.rotate(-rot);
path = t.map(path);
}
return path;
}
void QGIViewPart::updateView(bool update)
{
if (getViewObject() == 0 ||
!getViewObject()->isDerivedFrom(TechDraw::DrawViewPart::getClassTypeId())) {
return;
}
QGIView::updateView(update);
TechDraw::DrawViewPart *viewPart = dynamic_cast<TechDraw::DrawViewPart *>(getViewObject());
if(update ||
viewPart->isTouched() ||
viewPart->Source.isTouched() ||
viewPart->Direction.isTouched() ||
viewPart->Tolerance.isTouched() ||
viewPart->Scale.isTouched() ||
viewPart->ShowHiddenLines.isTouched()) {
// Remove all existing graphical representations (QGIxxxx) otherwise BRect only grows, never shrinks?
prepareGeometryChange();
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); ++it) {
if (dynamic_cast<QGIEdge *> (*it) ||
dynamic_cast<QGIFace *>(*it) ||
dynamic_cast<QGIVertex *>(*it) ||
dynamic_cast<QGIHatch *>(*it)) {
removeFromGroup(*it);
scene()->removeItem(*it);
// We store these and delete till later to prevent rendering crash ISSUE
deleteItems.append(*it);
}
}
draw();
} else if(viewPart->LineWidth.isTouched() ||
viewPart->HiddenWidth.isTouched()) {
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); ++it) {
QGIEdge *edge = dynamic_cast<QGIEdge *>(*it);
if(edge && edge->getHiddenEdge()) {
edge->setStrokeWidth(viewPart->HiddenWidth.getValue() * lineScaleFactor);
} else {
edge->setStrokeWidth(viewPart->LineWidth.getValue() * lineScaleFactor);
}
}
}
}
void QGIViewPart::draw() {
drawViewPart();
drawBorder();
}
void QGIViewPart::drawViewPart()
{
if ( getViewObject() == 0 ||
!getViewObject()->isDerivedFrom(TechDraw::DrawViewPart::getClassTypeId())) {
return;
}
TechDraw::DrawViewPart *viewPart = dynamic_cast<TechDraw::DrawViewPart *>(getViewObject());
float lineWidth = viewPart->LineWidth.getValue() * lineScaleFactor;
float lineWidthHid = viewPart->HiddenWidth.getValue() * lineScaleFactor;
prepareGeometryChange();
#if MOD_TECHDRAW_HANDLE_FACES
// Draw Faces
const std::vector<DrawingGeometry::Face *> &faceGeoms = part->getFaceGeometry();
const std::vector<int> &faceRefs = part->getFaceReferences();
std::vector<DrawingGeometry::Face *>::const_iterator fit = faceGeoms.begin();
QGIFace* face;
QPen facePen;
for(int i = 0 ; fit != faceGeoms.end(); fit++, i++) {
std::vector<DrawingGeometry::Wire *> faceWires = (*fit)->wires;
QPainterPath facePath;
for(std::vector<DrawingGeometry::Wire *>::iterator wire = faceWires.begin(); wire != faceWires.end(); wire++) {
QPainterPath wirePath;
QPointF shapePos;
for(std::vector<DrawingGeometry::BaseGeom *>::iterator baseGeom = (*wire)->geoms.begin();
baseGeom != (*wire)->geoms.end();
baseGeom++) {
QPainterPath edgePath = drawPainterPath(*baseGeom);
//If the current end point matches the shape end point the new edge path needs reversing
QPointF shapePos = (wirePath.currentPosition()- edgePath.currentPosition());
if(sqrt(shapePos.x() * shapePos.x() + shapePos.y()*shapePos.y()) < 0.05) {
edgePath = edgePath.toReversed();
}
wirePath.connectPath(edgePath);
wirePath.setFillRule(Qt::WindingFill);
}
facePath.addPath(wirePath);
}
//debug a path
//std::stringstream faceId;
//faceId << "facePath" << i;
//_dumpPath(faceId.str().c_str(),facePath);
QGIFace *fitem = new QGIFace(-1);
// TODO: DrawingGeometry::Face has no easy method of determining hidden/visible???
// Hide any edges that are hidden if option is set.
// if((*fit)->extractType == DrawingGeometry::WithHidden && !part->ShowHiddenLines.getValue())
// graphicsItem->hide();
addToGroup(fitem);
fitem->setPos(0.0,0.0);
//QPainterPath simplePath = facePath.simplified();
//simplePath.setFillRule(Qt::WindingFill);
//fitem->setPath(simplePath);
fitem->setPath(facePath);
fitem->setFlag(QGI::ItemIsSelectable, true);
}
#endif //#if MOD_TECHDRAW_HANDLE_FACES
// Draw Hatches
std::vector<TechDraw::DrawHatch*> hatchObjs = viewPart->getHatches();
if (!hatchObjs.empty()) {
std::vector<TechDraw::DrawHatch*>::iterator itHatch = hatchObjs.begin();
for(; itHatch != hatchObjs.end(); itHatch++) {
//if hatchdirection == viewPartdirection {
TechDraw::DrawHatch* feat = (*itHatch);
const std::vector<std::string> &edgeNames = feat->Edges.getSubValues();
std::vector<std::string>::const_iterator itEdge = edgeNames.begin();
std::vector<DrawingGeometry::BaseGeom*> unChained;
//get all edge geometries for this hatch
for (; itEdge != edgeNames.end(); itEdge++) {
int idxEdge = DrawUtil::getIndexFromName((*itEdge));
DrawingGeometry::BaseGeom* edgeGeom = viewPart->getProjEdgeByIndex(idxEdge);
if (!edgeGeom) {
Base::Console().Log("Error - qgivp::drawViewPart - edgeGeom: %d is NULL\n",idxEdge);
}
unChained.push_back(edgeGeom);
}
//chain edges tail to nose into a closed region
std::vector<DrawingGeometry::BaseGeom*> chained = DrawingGeometry::chainGeoms(unChained);
//iterate through the chain to make QPainterPath
std::vector<DrawingGeometry::BaseGeom*>::iterator itChain = chained.begin();
QPainterPath hatchPath;
for (; itChain != chained.end(); itChain++) {
QPainterPath subPath;
if ((*itChain)->reversed) {
subPath = drawPainterPath((*itChain)).toReversed();
} else {
subPath = drawPainterPath((*itChain));
}
hatchPath.connectPath(subPath);
//_dumpPath("subpath",subPath);
}
QGIHatch* hatch = new QGIHatch(feat->getNameInDocument());
addToGroup(hatch);
hatch->setPos(0.0,0.0);
hatch->setPath(hatchPath);
hatch->setFill(feat->HatchPattern.getValue());
hatch->setColor(feat->HatchColor.getValue());
//_dumpPath("hatchPath",hatchPath);
hatch->setFlag(QGI::ItemIsSelectable, true);
}
}
// Draw Edges
const std::vector<DrawingGeometry::BaseGeom *> &geoms = viewPart->getEdgeGeometry();
const std::vector<int> &refs = viewPart->getEdgeReferences();
std::vector<DrawingGeometry::BaseGeom *>::const_iterator it = geoms.begin();
QGIEdge* item;
for(int i = 0 ; it != geoms.end(); ++it, i++) {
//TODO: investigate if an Edge can be both Hidden and Smooth???
if(((*it)->extractType == DrawingGeometry::Plain) ||
(((*it)->extractType == DrawingGeometry::WithHidden) && viewPart->ShowHiddenLines.getValue()) ||
((*it)->extractType == DrawingGeometry::WithSmooth)) {
// (((*it)->extractType == DrawingGeometry::WithSmooth) && part->ShowSmoothLines.getValue())) {
//item = new QGIEdge(refs.at(i));
item = new QGIEdge(i);
item->setReference(refs.at(i));
addToGroup(item); //item is at scene(0,0), not group(0,0)
item->setPos(0.0,0.0);
item->setStrokeWidth(lineWidth);
if((*it)->extractType == DrawingGeometry::WithHidden) {
item->setStrokeWidth(lineWidthHid);
item->setHiddenEdge(true);
} else if((*it)->extractType == DrawingGeometry::WithSmooth) {
item->setSmoothEdge(true);
}
item->setPath(drawPainterPath(*it));
item->setFlag(QGI::ItemIsSelectable, true);
item->setAcceptHoverEvents(true);
//debug a path
//QPainterPath edgePath=drawPainterPath(*it);
//item->setPath(edgePath);
//std::stringstream edgeId;
//edgeId << "edge" << i;
//_dumpPath(edgeId.str().c_str(),edgePath);
}
}
// Draw Vertexs:
const std::vector<DrawingGeometry::Vertex *> &verts = viewPart->getVertexGeometry();
const std::vector<int> &vertRefs = viewPart->getVertexReferences();
std::vector<DrawingGeometry::Vertex *>::const_iterator vert = verts.begin();
for(int i = 0 ; vert != verts.end(); ++vert, i++) {
QGIVertex *item = new QGIVertex(i);
item->setReference(vertRefs.at(i));
addToGroup(item);
item->setPos((*vert)->pnt.fX, (*vert)->pnt.fY); //this is in ViewPart coords
item->setRadius(lineWidth * vertexScaleFactor);
}
}
std::vector<TechDraw::DrawHatch*> QGIViewPart::getHatchesForView(TechDraw::DrawViewPart* viewPart)
{
std::vector<App::DocumentObject*> docObjs = viewPart->getDocument()->getObjectsOfType(TechDraw::DrawHatch::getClassTypeId());
std::vector<TechDraw::DrawHatch*> hatchObjs;
std::string viewName = viewPart->getNameInDocument();
std::vector<App::DocumentObject*>::iterator itDoc = docObjs.begin();
for(; itDoc != docObjs.end(); itDoc++) {
TechDraw::DrawHatch* hatch = dynamic_cast<TechDraw::DrawHatch*>(*itDoc);
if (viewName.compare((hatch->PartView.getValue())->getNameInDocument()) == 0) {
hatchObjs.push_back(hatch);
}
}
return hatchObjs;
}
// As called by arc of ellipse case:
// pathArc(path, geom->major, geom->minor, geom->angle, geom->largeArc, geom->cw,
// geom->endPnt.fX, geom->endPnt.fY,
// geom->startPnt.fX, geom->startPnt.fY);
void QGIViewPart::pathArc(QPainterPath &path, double rx, double ry, double x_axis_rotation,
bool large_arc_flag, bool sweep_flag,
double x, double y,
double curx, double cury) const
{
double sin_th, cos_th;
double a00, a01, a10, a11;
double x0, y0, x1, y1, xc, yc;
double d, sfactor, sfactor_sq;
double th0, th1, th_arc;
int i, n_segs;
double dx, dy, dx1, dy1, Pr1, Pr2, Px, Py, check;
rx = qAbs(rx);
ry = qAbs(ry);
sin_th = qSin(x_axis_rotation);
cos_th = qCos(x_axis_rotation);
dx = (curx - x) / 2.0;
dy = (cury - y) / 2.0;
dx1 = cos_th * dx + sin_th * dy;
dy1 = -sin_th * dx + cos_th * dy;
Pr1 = rx * rx;
Pr2 = ry * ry;
Px = dx1 * dx1;
Py = dy1 * dy1;
/* Spec : check if radii are large enough */
check = Px / Pr1 + Py / Pr2;
if (check > 1) {
rx = rx * qSqrt(check);
ry = ry * qSqrt(check);
}
a00 = cos_th / rx;
a01 = sin_th / rx;
a10 = -sin_th / ry;
a11 = cos_th / ry;
x0 = a00 * curx + a01 * cury;
y0 = a10 * curx + a11 * cury;
x1 = a00 * x + a01 * y;
y1 = a10 * x + a11 * y;
/* (x0, y0) is current point in transformed coordinate space.
(x1, y1) is new point in transformed coordinate space.
The arc fits a unit-radius circle in this space.
*/
d = (x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0);
sfactor_sq = 1.0 / d - 0.25;
if (sfactor_sq < 0)
sfactor_sq = 0;
sfactor = qSqrt(sfactor_sq);
if (sweep_flag == large_arc_flag)
sfactor = -sfactor;
xc = 0.5 * (x0 + x1) - sfactor * (y1 - y0);
yc = 0.5 * (y0 + y1) + sfactor * (x1 - x0);
/* (xc, yc) is center of the circle. */
th0 = qAtan2(y0 - yc, x0 - xc);
th1 = qAtan2(y1 - yc, x1 - xc);
th_arc = th1 - th0;
if (th_arc < 0 && sweep_flag)
th_arc += 2 * M_PI;
else if (th_arc > 0 && !sweep_flag)
th_arc -= 2 * M_PI;
n_segs = qCeil(qAbs(th_arc / (M_PI * 0.5 + 0.001)));
path.moveTo(curx, cury);
for (i = 0; i < n_segs; i++) {
pathArcSegment(path, xc, yc,
th0 + i * th_arc / n_segs,
th0 + (i + 1) * th_arc / n_segs,
rx, ry, x_axis_rotation);
}
}
void QGIViewPart::pathArcSegment(QPainterPath &path,
double xc, double yc,
double th0, double th1,
double rx, double ry, double xAxisRotation) const
{
double sinTh, cosTh;
double a00, a01, a10, a11;
double x1, y1, x2, y2, x3, y3;
double t;
double thHalf;
sinTh = qSin(xAxisRotation);
cosTh = qCos(xAxisRotation);
a00 = cosTh * rx;
a01 = -sinTh * ry;
a10 = sinTh * rx;
a11 = cosTh * ry;
thHalf = 0.5 * (th1 - th0);
t = (8.0 / 3.0) * qSin(thHalf * 0.5) * qSin(thHalf * 0.5) / qSin(thHalf);
x1 = xc + qCos(th0) - t * qSin(th0);
y1 = yc + qSin(th0) + t * qCos(th0);
x3 = xc + qCos(th1);
y3 = yc + qSin(th1);
x2 = x3 + t * qSin(th1);
y2 = y3 - t * qCos(th1);
path.cubicTo(a00 * x1 + a01 * y1, a10 * x1 + a11 * y1,
a00 * x2 + a01 * y2, a10 * x2 + a11 * y2,
a00 * x3 + a01 * y3, a10 * x3 + a11 * y3);
}
QGIEdge * QGIViewPart::findRefEdge(int idx)
{
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); it++) {
QGIEdge *edge = dynamic_cast<QGIEdge *>(*it);
if(edge && edge->getReference() == idx)
return edge;
}
return 0;
}
QGIVertex * QGIViewPart::findRefVertex(int idx)
{
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); it++) {
QGIVertex *vert = dynamic_cast<QGIVertex *>(*it);
if(vert && vert->getReference() == idx)
return vert;
}
return 0;
}
void QGIViewPart::toggleCache(bool state)
{
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); it++) {
//(*it)->setCacheMode((state)? DeviceCoordinateCache : NoCache); //TODO: fiddle cache settings if req'd for performance
(*it)->setCacheMode((state)? NoCache : NoCache);
(*it)->update();
}
}
void QGIViewPart::toggleCosmeticLines(bool state)
{
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); it++) {
QGIEdge *edge = dynamic_cast<QGIEdge *>(*it);
if(edge) {
edge->setCosmetic(state);
}
}
}
void QGIViewPart::toggleVertices(bool state)
{
QList<QGI *> items = childItems();
for(QList<QGI *>::iterator it = items.begin(); it != items.end(); it++) {
QGIVertex *vert = dynamic_cast<QGIVertex *>(*it);
if(vert) {
if(state)
vert->show();
else
vert->hide();
}
}
}
QRectF QGIViewPart::boundingRect() const
{
//return childrenBoundingRect().adjusted(-2.,-2.,2.,6.); //just a bit bigger than the children need
return childrenBoundingRect();
}
void _dumpPath(const char* text,QPainterPath path)
{
QPainterPath::Element elem;
Base::Console().Message(">>>%s has %d elements\n",text,path.elementCount());
char* typeName;
for(int iElem = 0; iElem < path.elementCount(); iElem++) {
elem = path.elementAt(iElem);
if(elem.isMoveTo()) {
typeName = "MoveTo";
} else if (elem.isLineTo()) {
typeName = "LineTo";
} else if (elem.isCurveTo()) {
typeName = "CurveTo";
} else {
typeName = "Unknown";
}
Base::Console().Message(">>>>> element %d: type:%d/%s pos(%.3f,%.3f) M:%d L:%d C:%d\n",iElem,
elem.type,typeName,elem.x,elem.y,elem.isMoveTo(),elem.isLineTo(),elem.isCurveTo());
}
}
#include "moc_QGIViewPart.cpp"