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b796a0d376129c292024d11a6f53ff6e0485e0cd
create/src/Mod/TechDraw/Gui/QGSPage.cpp
berniev b796a0d376 Mod: use empty
2022-08-06 19:30:13 +02:00

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/***************************************************************************
* Copyright (c) 2020 Wanderer Fan <wandererfan@gmail.com> *
* *
* 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 <QAction>
# include <QApplication>
# include <QContextMenuEvent>
# include <QFileInfo>
# include <QFileDialog>
# include <QGLWidget>
# include <QGraphicsEffect>
# include <QMouseEvent>
# include <QPainter>
# include <QPaintEvent>
# include <QSvgGenerator>
#include <QScrollBar>
# include <QWheelEvent>
#include <QTemporaryFile>
#include <QDomDocument>
#include <QTextStream>
#include <QFile>
#include <QLabel>
#include <QTextCodec>
#include <cmath>
#endif
#include <App/Application.h>
#include <App/Document.h>
#include <App/Material.h>
#include <Base/Console.h>
#include <Base/Parameter.h>
#include <Base/Stream.h>
#include <Gui/FileDialog.h>
#include <Gui/Selection.h>
#include <Gui/WaitCursor.h>
#include <Gui/Command.h>
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/BitmapFactory.h>
#include <Gui/MainWindow.h>
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>
#include <Mod/TechDraw/App/Geometry.h>
#include <Mod/TechDraw/App/DrawPage.h>
#include <Mod/TechDraw/App/DrawTemplate.h>
#include <Mod/TechDraw/App/DrawSVGTemplate.h>
#include <Mod/TechDraw/App/DrawParametricTemplate.h>
#include <Mod/TechDraw/App/DrawViewCollection.h>
#include <Mod/TechDraw/App/DrawViewBalloon.h>
#include <Mod/TechDraw/App/DrawViewDimension.h>
//#include <Mod/TechDraw/App/LandmarkDimension.h>
#include <Mod/TechDraw/App/DrawProjGroup.h>
#include <Mod/TechDraw/App/DrawViewPart.h>
#include <Mod/TechDraw/App/DrawViewAnnotation.h>
#include <Mod/TechDraw/App/DrawViewSymbol.h>
#include <Mod/TechDraw/App/DrawViewClip.h>
#include <Mod/TechDraw/App/DrawHatch.h>
#include <Mod/TechDraw/App/DrawViewSpreadsheet.h>
#include <Mod/TechDraw/App/DrawViewImage.h>
#include <Mod/TechDraw/App/DrawLeaderLine.h>
#include <Mod/TechDraw/App/DrawRichAnno.h>
#include <Mod/TechDraw/App/DrawWeldSymbol.h>
#include <Mod/TechDraw/App/DrawTile.h>
#include <Mod/TechDraw/App/DrawTileWeld.h>
#include <Mod/TechDraw/App/DrawUtil.h>
#include "Rez.h"
#include "PreferencesGui.h"
#include "QGIDrawingTemplate.h"
#include "QGITemplate.h"
#include "QGISVGTemplate.h"
#include "TemplateTextField.h"
#include "QGIViewCollection.h"
#include "QGIViewDimension.h"
#include "QGIViewBalloon.h"
#include "QGIProjGroup.h"
#include "QGIViewPart.h"
#include "QGIViewSection.h"
#include "QGIViewAnnotation.h"
#include "QGIViewSymbol.h"
#include "QGIViewClip.h"
#include "QGIViewSpreadsheet.h"
#include "QGIViewImage.h"
#include "QGIFace.h"
#include "QGILeaderLine.h"
#include "QGIRichAnno.h"
#include "QGIWeldSymbol.h"
#include "QGITile.h"
#include "ZVALUE.h"
#include "ViewProviderPage.h"
#include "QGSPage.h"
#include "MDIViewPage.h"
// used SVG namespaces
#define CC_NS_URI "http://creativecommons.org/ns#"
#define DC_NS_URI "http://purl.org/dc/elements/1.1/"
#define RDF_NS_URI "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
#define INKSCAPE_NS_URI "http://www.inkscape.org/namespaces/inkscape"
#define SODIPODI_NS_URI "http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
using namespace Gui;
using namespace TechDraw;
using namespace TechDrawGui;
QGSPage::QGSPage(ViewProviderPage *vp, QWidget *parent)
: QGraphicsScene(parent),
pageTemplate(nullptr),
m_vpPage(nullptr)
{
assert(vp);
m_vpPage = vp;
const char* name = vp->getDrawPage()->getNameInDocument();
setObjectName(QString::fromLocal8Bit(name));
m_vpPage->setGraphicsScene(this);
}
QGSPage::~QGSPage()
{
}
//! retrieve the QGIView objects currently in the scene
std::vector<QGIView *> QGSPage::getViews() const
{
std::vector<QGIView*> result;
QList<QGraphicsItem*> items = this->items();
for (auto& v:items) {
QGIView* qv = dynamic_cast<QGIView*>(v);
if (qv) {
result.push_back(qv);
}
}
return result;
}
int QGSPage::addQView(QGIView *view)
{
//don't add twice!
QGIView* existing = getQGIVByName(view->getViewName());
if (!existing) {
addItem(view);
// Find if it belongs to a parent
QGIView *parent = nullptr;
parent = findParent(view);
QPointF viewPos(Rez::guiX(view->getViewObject()->X.getValue()),
Rez::guiX(view->getViewObject()->Y.getValue() * -1));
if(parent) {
// move child view to center of parent
QPointF posRef(0.,0.);
QPointF mapPos = view->mapToItem(parent, posRef);
view->moveBy(-mapPos.x(), -mapPos.y());
parent->addToGroup(view);
}
view->setPos(viewPos);
view->updateView(true);
}
return 0;
}
int QGSPage::removeQView(QGIView *view)
{
if (view) {
removeQViewFromScene(view);
delete view;
}
return 0;
}
int QGSPage::removeQViewByName(const char* name)
{
std::vector<QGIView*> items = getViews();
QString qsName = QString::fromUtf8(name);
bool found = false;
QGIView* ourItem = nullptr;
for (auto& i:items) {
if (qsName == i->data(1).toString()) { //is there a QGIV with this name in scene?
found = true;
ourItem = i;
break;
}
}
if (found) {
int balloonItemType = QGraphicsItem::UserType + 140;
if (ourItem->type() == balloonItemType) {
QGIViewBalloon* balloon = dynamic_cast<QGIViewBalloon*>(ourItem);
balloon->disconnect();
}
removeQViewFromScene(ourItem);
delete ourItem; //commenting this prevents crash but means a small memory waste.
//alternate fix(?) is to change indexing/caching option in scene/view
}
return 0;
}
void QGSPage::removeQViewFromScene(QGIView *view)
{
QGIView* qgParent = dynamic_cast<QGIView*>(view->parentItem());
if (qgParent) {
qgParent->removeChild(view);
} else {
removeItem(view);
}
}
QGIView * QGSPage::addViewPart(TechDraw::DrawViewPart *part)
{
// Base::Console().Message("QGSP::addViewPart(%s)\n", part->getNameInDocument());
QGIView* existing = findQViewForDocObj(part);
if (existing) {
return existing;
}
auto viewPart( new QGIViewPart );
viewPart->setViewPartFeature(part);
addQView(viewPart);
return viewPart;
}
QGIView * QGSPage::addViewSection(TechDraw::DrawViewPart *part)
{
auto viewSection( new QGIViewSection );
viewSection->setViewPartFeature(part);
addQView(viewSection);
return viewSection;
}
QGIView * QGSPage::addProjectionGroup(TechDraw::DrawProjGroup *view) {
auto qview( new QGIProjGroup );
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawView(TechDraw::DrawView *view)
{
auto qview( new QGIView );
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawViewCollection(TechDraw::DrawViewCollection *view)
{
auto qview( new QGIViewCollection );
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawViewAnnotation(TechDraw::DrawViewAnnotation *view)
{
auto qview( new QGIViewAnnotation );
qview->setViewAnnoFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawViewSymbol(TechDraw::DrawViewSymbol *view)
{
auto qview( new QGIViewSymbol );
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawViewClip(TechDraw::DrawViewClip *view)
{
auto qview( new QGIViewClip );
qview->setPosition(Rez::guiX(view->X.getValue()), Rez::guiX(view->Y.getValue()));
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawViewSpreadsheet(TechDraw::DrawViewSpreadsheet *view)
{
auto qview( new QGIViewSpreadsheet );
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addDrawViewImage(TechDraw::DrawViewImage *view)
{
auto qview( new QGIViewImage );
qview->setViewFeature(view);
addQView(qview);
return qview;
}
QGIView * QGSPage::addViewBalloon(TechDraw::DrawViewBalloon *balloon)
{
// Base::Console().Message("QGSP::addViewBalloon(%s)\n", balloon->getNameInDocument());
auto vBalloon( new QGIViewBalloon );
addItem(vBalloon);
vBalloon->setViewPartFeature(balloon);
vBalloon->dvBalloon = balloon;
QGIView *parent = nullptr;
parent = findParent(vBalloon);
if (parent) {
addBalloonToParent(vBalloon,parent);
}
return vBalloon;
}
void QGSPage::addBalloonToParent(QGIViewBalloon* balloon, QGIView* parent)
{
// Base::Console().Message("QGSP::addBalloonToParent()\n");
assert(balloon);
assert(parent); //blow up if we don't have Dimension or Parent
QPointF posRef(0.,0.);
QPointF mapPos = balloon->mapToItem(parent, posRef);
balloon->moveBy(-mapPos.x(), -mapPos.y());
parent->addToGroup(balloon);
balloon->setZValue(ZVALUE::DIMENSION);
}
//origin is in scene coordinates from QGViewPage
void QGSPage::createBalloon(QPointF origin, DrawViewPart *parent)
{
// Base::Console().Message("QGSP::createBalloon(%s)\n", DrawUtil::formatVector(origin).c_str());
std::string featName = getDrawPage()->getDocument()->getUniqueObjectName("Balloon");
std::string pageName = getDrawPage()->getNameInDocument();
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Create Balloon"));
Command::doCommand(Command::Doc, "App.activeDocument().addObject('TechDraw::DrawViewBalloon','%s')", featName.c_str());
TechDraw::DrawViewBalloon *balloon = dynamic_cast<TechDraw::DrawViewBalloon *>(getDrawPage()->getDocument()->getObject(featName.c_str()));
if (!balloon) {
throw Base::TypeError("QGSP::createBalloon - balloon not found\n");
}
Command::doCommand(Command::Doc,"App.activeDocument().%s.SourceView = (App.activeDocument().%s)",
featName.c_str(), parent->getNameInDocument());
QGIView* qgParent = getQGIVByName(parent->getNameInDocument());
//convert from scene coords to qgParent coords and unscale
QPointF parentOrigin = qgParent->mapFromScene(origin) / parent->getScale();
balloon->setOrigin(parentOrigin);
//convert origin to App side coords
QPointF appOrigin = Rez::appPt(parentOrigin);
appOrigin = DrawUtil::invertY(appOrigin);
balloon->OriginX.setValue(appOrigin.x());
balloon->OriginY.setValue(appOrigin.y());
double textOffset = 20.0 / parent->getScale();
balloon->X.setValue(appOrigin.x() + textOffset);
balloon->Y.setValue(appOrigin.y() + textOffset);
int idx = getDrawPage()->getNextBalloonIndex();
balloon->Text.setValue(std::to_string(idx).c_str());
Command::doCommand(Command::Doc, "App.activeDocument().%s.addView(App.activeDocument().%s)", pageName.c_str(), featName.c_str());
Gui::Command::commitCommand();
}
QGIView * QGSPage::addViewDimension(TechDraw::DrawViewDimension *dim)
{
auto dimGroup( new QGIViewDimension );
addItem(dimGroup);
dimGroup->setViewPartFeature(dim);
dimGroup->dvDimension = dim;
// Find if it belongs to a parent
QGIView *parent = nullptr;
parent = findParent(dimGroup);
if(parent) {
addDimToParent(dimGroup,parent);
}
return dimGroup;
}
void QGSPage::addDimToParent(QGIViewDimension* dim, QGIView* parent)
{
// Base::Console().Message("QGVP::addDimToParent()\n");
assert(dim);
assert(parent); //blow up if we don't have Dimension or Parent
QPointF posRef(0.,0.);
QPointF mapPos = dim->mapToItem(parent, posRef);
dim->moveBy(-mapPos.x(), -mapPos.y());
parent->addToGroup(dim);
dim->setZValue(ZVALUE::DIMENSION);
}
QGIView * QGSPage::addViewLeader(TechDraw::DrawLeaderLine *leader)
{
// Base::Console().Message("QGVP::addViewLeader(%s)\n",leader->getNameInDocument());
QGILeaderLine* leaderGroup = new QGILeaderLine();
addItem(leaderGroup);
leaderGroup->setLeaderFeature(leader);
QGIView *parent = nullptr;
parent = findParent(leaderGroup);
if(parent) {
addLeaderToParent(leaderGroup,parent);
}
leaderGroup->updateView(true);
return leaderGroup;
}
void QGSPage::addLeaderToParent(QGILeaderLine* lead, QGIView* parent)
{
// Base::Console().Message("QGVP::addLeaderToParent()\n");
parent->addToGroup(lead);
lead->setZValue(ZVALUE::DIMENSION);
}
QGIView * QGSPage::addRichAnno(TechDraw::DrawRichAnno* anno)
{
QGIRichAnno* annoGroup = nullptr;
TechDraw::DrawView* parentDV = nullptr;
App::DocumentObject* parentObj = anno->AnnoParent.getValue();
if (parentObj) {
parentDV = dynamic_cast<TechDraw::DrawView*>(parentObj);
}
if (parentDV) {
QGIView* parentQV = findQViewForDocObj(parentObj);
annoGroup = new QGIRichAnno(parentQV, anno);
annoGroup->updateView(true);
} else {
annoGroup = new QGIRichAnno(nullptr, anno);
addItem(annoGroup);
annoGroup->updateView(true);
}
return annoGroup;
}
QGIView * QGSPage::addWeldSymbol(TechDraw::DrawWeldSymbol* weld)
{
// Base::Console().Message("QGVP::addWeldSymbol()\n");
QGIWeldSymbol* weldGroup = nullptr;
TechDraw::DrawView* parentDV = nullptr;
App::DocumentObject* parentObj = weld->Leader.getValue();
if (parentObj) {
parentDV = dynamic_cast<TechDraw::DrawView*>(parentObj);
} else {
// Base::Console().Message("QGVP::addWeldSymbol - no parent doc obj\n");
}
if (parentDV) {
QGIView* parentQV = findQViewForDocObj(parentObj);
QGILeaderLine* leadParent = dynamic_cast<QGILeaderLine*>(parentQV);
if (leadParent) {
weldGroup = new QGIWeldSymbol(leadParent);
weldGroup->setFeature(weld); //for QGIWS
weldGroup->setViewFeature(weld); //for QGIV
weldGroup->updateView(true);
} else {
Base::Console().Error("QGVP::addWeldSymbol - no parent QGILL\n");
}
} else {
Base::Console().Error("QGVP::addWeldSymbol - parent is not DV!\n");
}
return weldGroup;
}
//! find the graphic for a DocumentObject
QGIView * QGSPage::findQViewForDocObj(App::DocumentObject *obj) const
{
if(obj) {
const std::vector<QGIView *> qviews = getViews();
for(std::vector<QGIView *>::const_iterator it = qviews.begin(); it != qviews.end(); ++it) {
if(strcmp(obj->getNameInDocument(), (*it)->getViewName()) == 0)
return *it;
}
}
return nullptr;
}
//! find the graphic for DocumentObject with name
QGIView* QGSPage::getQGIVByName(std::string name)
{
QList<QGraphicsItem*> qgItems = items();
QList<QGraphicsItem*>::iterator it = qgItems.begin();
for (; it != qgItems.end(); it++) {
QGIView* qv = dynamic_cast<QGIView*>((*it));
if (qv) {
const char* qvName = qv->getViewName();
if(name.compare(qvName) == 0) {
return (qv);
}
}
}
return nullptr;
}
//find the parent of a QGIV based on the corresponding feature's parentage
QGIView *QGSPage::findParent(QGIView *view) const
{
const std::vector<QGIView *> qviews = getViews();
TechDraw::DrawView *myFeat = view->getViewObject();
//If type is dimension we check references first
TechDraw::DrawViewDimension *dim = nullptr;
dim = dynamic_cast<TechDraw::DrawViewDimension *>(myFeat);
if (dim) {
std::vector<App::DocumentObject *> objs = dim->References2D.getValues();
if (!objs.empty()) {
std::vector<App::DocumentObject *> objs = dim->References2D.getValues();
// Attach the dimension to the first object's group
for (std::vector<QGIView *>::const_iterator it = qviews.begin(); it != qviews.end(); ++it) {
if (strcmp((*it)->getViewName(), objs.at(0)->getNameInDocument()) == 0) {
return *it;
}
}
}
}
//If type is balloon we check references first
TechDraw::DrawViewBalloon *balloon = nullptr;
balloon = dynamic_cast<TechDraw::DrawViewBalloon *>(myFeat);
if (balloon) {
App::DocumentObject *obj = balloon->SourceView.getValue();
if (obj) {
// Attach the dimension to the first object's group
for (std::vector<QGIView *>::const_iterator it = qviews.begin(); it != qviews.end(); ++it) {
if (strcmp((*it)->getViewName(), obj->getNameInDocument()) == 0) {
return *it;
}
}
}
}
// Check if part of view collection
for (std::vector<QGIView *>::const_iterator it = qviews.begin(); it != qviews.end(); ++it) {
QGIViewCollection *grp = nullptr;
grp = dynamic_cast<QGIViewCollection *>(*it);
if (grp) {
TechDraw::DrawViewCollection *collection = nullptr;
collection = dynamic_cast<TechDraw::DrawViewCollection *>(grp->getViewObject());
if (collection) {
std::vector<App::DocumentObject *> objs = collection->Views.getValues();
for (std::vector<App::DocumentObject *>::iterator it = objs.begin(); it != objs.end(); ++it) {
if (strcmp(myFeat->getNameInDocument(), (*it)->getNameInDocument()) == 0)
return grp;
}
}
}
}
//If type is LeaderLine we check LeaderParent
TechDraw::DrawLeaderLine *lead = nullptr;
lead = dynamic_cast<TechDraw::DrawLeaderLine *>(myFeat);
if (lead) {
App::DocumentObject *obj = lead->LeaderParent.getValue();
if (obj) {
std::string parentName = obj->getNameInDocument();
for (std::vector<QGIView *>::const_iterator it = qviews.begin(); it != qviews.end(); ++it) {
if (strcmp((*it)->getViewName(), parentName.c_str()) == 0) {
return *it;
}
}
}
}
// Not found a parent
return nullptr;
}
void QGSPage::setPageTemplate(TechDraw::DrawTemplate *obj)
{
removeTemplate();
if (obj->isDerivedFrom(TechDraw::DrawParametricTemplate::getClassTypeId())) {
pageTemplate = new QGIDrawingTemplate(this);
}
else if (obj->isDerivedFrom(TechDraw::DrawSVGTemplate::getClassTypeId())) {
pageTemplate = new QGISVGTemplate(this);
}
pageTemplate->setTemplate(obj);
pageTemplate->updateView();
}
QGITemplate* QGSPage::getTemplate() const
{
return pageTemplate;
}
void QGSPage::removeTemplate()
{
if(pageTemplate) {
removeItem(pageTemplate);
pageTemplate->deleteLater();
pageTemplate = nullptr;
}
}
void QGSPage::refreshViews(void)
{
// Base::Console().Message("QGVP::refreshViews()\n");
QList<QGraphicsItem*> list = items();
QList<QGraphicsItem*> qgiv;
//find only QGIV's
for (auto q: list) {
QString viewFamily = QString::fromUtf8("QGIV");
if (viewFamily == q->data(0).toString()) {
qgiv.push_back(q);
}
}
for (auto q: qgiv) {
QGIView *itemView = dynamic_cast<QGIView *>(q);
if(itemView) {
itemView->updateView(true);
}
}
}
void QGSPage::setExporting(bool enable)
{
QList<QGraphicsItem*> sceneItems = items();
std::vector<QGIViewPart*> dvps;
for (auto& qgi:sceneItems) {
QGIViewPart* qgiPart = dynamic_cast<QGIViewPart *>(qgi);
QGIRichAnno* qgiRTA = dynamic_cast<QGIRichAnno *>(qgi);
if(qgiPart) {
qgiPart->setExporting(enable);
dvps.push_back(qgiPart);
}
if (qgiRTA) {
qgiRTA->setExporting(enable);
}
}
for (auto& v: dvps) {
v->draw();
}
}
void QGSPage::saveSvg(QString filename)
{
// TODO: We only have m_vpPage because constructor gets passed a view provider...
//NOTE: this makes wrong size pages in low-Rez
TechDraw::DrawPage *page( m_vpPage->getDrawPage() );
const QString docName( QString::fromUtf8(page->getDocument()->getName()) );
const QString pageName( QString::fromUtf8(page->getNameInDocument()) );
QString svgDescription = QString::fromUtf8("Drawing page: ") +
pageName +
QString::fromUtf8(" exported from FreeCAD document: ") +
docName;
QSvgGenerator svgGen;
QTemporaryFile temporaryFile;
svgGen.setOutputDevice(&temporaryFile);
// Set resolution in DPI. Use the actual one, i.e. Rez::guiX(inch)
svgGen.setResolution(Rez::guiX(25.4));
// Set size in pixels, which Qt recomputes using DPI to mm.
int pixelWidth = Rez::guiX(page->getPageWidth());
int pixelHeight = Rez::guiX(page->getPageHeight());
svgGen.setSize(QSize(pixelWidth, pixelHeight));
//"By default this property is set to QSize(-1, -1), which indicates that the generator should not output
// the width and height attributes of the <svg> element." >> but Inkscape won't read it without size info??
svgGen.setViewBox(QRect(0, 0, pixelWidth, pixelHeight));
svgGen.setTitle(QString::fromUtf8("FreeCAD SVG Export"));
svgGen.setDescription(svgDescription);
Gui::Selection().clearSelection();
bool saveState = m_vpPage->getFrameState();
m_vpPage->setFrameState(false);
m_vpPage->setTemplateMarkers(false);
setExporting(true);
// Here we temporarily hide the page template, because Qt would otherwise convert the SVG template
// texts into series of paths, making the later document edits practically unfeasible.
// We will insert the SVG template ourselves in the final XML postprocessing operation.
QGISVGTemplate *svgTemplate = dynamic_cast<QGISVGTemplate *>(pageTemplate);
bool templateVisible = false;
if (svgTemplate) {
templateVisible = svgTemplate->isVisible();
svgTemplate->hide();
}
refreshViews();
// viewport()->repaint();
double width = Rez::guiX(page->getPageWidth());
double height = Rez::guiX(page->getPageHeight());
QRectF sourceRect(0.0,-height,width,height);
QRectF targetRect(0.0,0.0,width,height);
Gui::Selection().clearSelection();
QPainter p;
p.begin(&svgGen);
render(&p, targetRect,sourceRect); //note: scene render, not item render!
p.end();
m_vpPage->setFrameState(saveState);
m_vpPage->setTemplateMarkers(saveState);
setExporting(false);
if (templateVisible && svgTemplate) {
svgTemplate->show();
}
refreshViews();
// viewport()->repaint();
temporaryFile.close();
postProcessXml(temporaryFile, filename, pageName);
}
static void removeEmptyGroups(QDomElement e)
{
while (!e.isNull()) {
QDomElement next = e.nextSiblingElement();
if (e.hasChildNodes()) {
removeEmptyGroups(e.firstChildElement());
} else if (e.tagName() == QLatin1String("g")) {
e.parentNode().removeChild(e);
}
e = next;
}
}
void QGSPage::postProcessXml(QTemporaryFile& temporaryFile, QString fileName, QString pageName)
{
QDomDocument exportDoc(QString::fromUtf8("SvgDoc"));
QFile file(temporaryFile.fileName());
if (!file.open(QIODevice::ReadOnly)) {
Base::Console().Message("QGSPage::ppsvg - tempfile open error\n");
return;
}
if (!exportDoc.setContent(&file)) {
Base::Console().Message("QGSPage::ppsvg - xml error\n");
file.close();
return;
}
file.close();
QDomElement exportDocElem = exportDoc.documentElement(); //root <svg>
// Insert Freecad SVG namespace into namespace declarations
exportDocElem.setAttribute(QString::fromUtf8("xmlns:freecad"),
QString::fromUtf8(FREECAD_SVG_NS_URI));
// Insert all namespaces used by TechDraw's page template SVGs
exportDocElem.setAttribute(QString::fromUtf8("xmlns:svg"),
QString::fromUtf8(SVG_NS_URI));
exportDocElem.setAttribute(QString::fromUtf8("xmlns:cc"),
QString::fromUtf8(CC_NS_URI));
exportDocElem.setAttribute(QString::fromUtf8("xmlns:dc"),
QString::fromUtf8(DC_NS_URI));
exportDocElem.setAttribute(QString::fromUtf8("xmlns:rdf"),
QString::fromUtf8(RDF_NS_URI));
exportDocElem.setAttribute(QString::fromUtf8("xmlns:inkscape"),
QString::fromUtf8(INKSCAPE_NS_URI));
exportDocElem.setAttribute(QString::fromUtf8("xmlns:sodipodi"),
QString::fromUtf8(SODIPODI_NS_URI));
// Create the root group which will host the drawing group and the template group
QDomElement rootGroup = exportDoc.createElement(QString::fromUtf8("g"));
rootGroup.setAttribute(QString::fromUtf8("id"), pageName);
rootGroup.setAttribute(QString::fromUtf8("inkscape:groupmode"),
QString::fromUtf8("layer"));
rootGroup.setAttribute(QString::fromUtf8("inkscape:label"),
QString::fromUtf8("TechDraw"));
// Now insert our template
QGISVGTemplate *svgTemplate = dynamic_cast<QGISVGTemplate *>(pageTemplate);
if (svgTemplate) {
DrawSVGTemplate *drawTemplate = svgTemplate->getSVGTemplate();
if (drawTemplate) {
QFile templateResultFile(QString::fromUtf8(drawTemplate->PageResult.getValue()));
if (templateResultFile.open(QIODevice::ReadOnly)) {
QDomDocument templateResultDoc(QString::fromUtf8("SvgDoc"));
if (templateResultDoc.setContent(&templateResultFile)) {
QDomElement templateDocElem = templateResultDoc.documentElement();
// Insert the template into a new group with id set to template name
QDomElement templateGroup = exportDoc.createElement(QString::fromUtf8("g"));
Base::FileInfo fi(drawTemplate->Template.getValue());
templateGroup.setAttribute(QString::fromUtf8("id"),
QString::fromUtf8(fi.fileName().c_str()));
templateGroup.setAttribute(QString::fromUtf8("style"),
QString::fromUtf8("stroke: none;"));
// Scale the template group correctly
#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
templateGroup.setAttribute(QString::fromUtf8("transform"),
QString().sprintf("scale(%f, %f)", Rez::guiX(1.0), Rez::guiX(1.0)));
#else
templateGroup.setAttribute(QString::fromUtf8("transform"),
QString::fromLatin1("scale(%1, %2)").arg(Rez::guiX(1.0), 0, 'f').arg(Rez::guiX(1.0), 0, 'f'));
#endif
// Finally, transfer all template document child nodes under the template group
while (!templateDocElem.firstChild().isNull()) {
templateGroup.appendChild(templateDocElem.firstChild());
}
rootGroup.appendChild(templateGroup);
}
}
}
}
// Obtain the drawing group element, move it under root node and set its id to "DrawingContent"
QDomElement drawingGroup = exportDocElem.firstChildElement(QLatin1String("g"));
if (!drawingGroup.isNull()) {
drawingGroup.setAttribute(QString::fromUtf8("id"), QString::fromUtf8("DrawingContent"));
rootGroup.appendChild(drawingGroup);
}
exportDocElem.appendChild(rootGroup);
// As icing on the cake, get rid of the empty <g>'s Qt SVG generator painting inserts.
removeEmptyGroups(exportDocElem);
// Time to save our product
QFile outFile( fileName );
if( !outFile.open( QIODevice::WriteOnly | QIODevice::Text ) ) {
Base::Console().Message("QGVP::ppxml - failed to open file for writing: %s\n",qPrintable(fileName) );
}
QTextStream stream( &outFile );
stream.setGenerateByteOrderMark(false);
stream.setCodec("UTF-8");
stream << exportDoc.toByteArray();
outFile.close();
}
TechDraw::DrawPage* QGSPage::getDrawPage()
{
return m_vpPage->getDrawPage();
}
QColor QGSPage::getBackgroundColor()
{
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/TechDraw/Colors");
App::Color fcColor;
fcColor.setPackedValue(hGrp->GetUnsigned("Background", 0x70707000));
return fcColor.asValue<QColor>();
}
#include <Mod/TechDraw/Gui/moc_QGSPage.cpp>
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