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+ fixes #1501: Add Ability to Export Dependency Graph as SVG and PNG
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,208 @@ | ||
| /*************************************************************************** | ||
| * Copyright (c) 2014 Werner Mayer <wmayer[at]users.sourceforge.net> * | ||
| * * | ||
| * 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 * | ||
| * * | ||
| ***************************************************************************/ | ||
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| #include "PreCompiled.h" | ||
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| #ifndef _PreComp_ | ||
| # include <QFile> | ||
| # include <QPrinter> | ||
| # include <QPrintDialog> | ||
| # include <QPrintPreviewDialog> | ||
| # include <QProcess> | ||
| # include <QSvgRenderer> | ||
| #endif | ||
| # include <QGraphicsScene> | ||
| # include <QGraphicsView> | ||
| #include "FileDialog.h" | ||
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| #include "GraphvizView.h" | ||
| #include <App/Application.h> | ||
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| using namespace Gui; | ||
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| GraphvizView::GraphvizView(const QPixmap& p, QWidget* parent) | ||
| : MDIView(0, parent) | ||
| { | ||
| scene = new QGraphicsScene(); | ||
| scene->addPixmap(p); | ||
| view = new QGraphicsView(scene, this); | ||
| view->show(); | ||
| setCentralWidget(view); | ||
| } | ||
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| GraphvizView::~GraphvizView() | ||
| { | ||
| delete scene; | ||
| delete view; | ||
| } | ||
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| void GraphvizView::setDependencyGraph(const std::string& s) | ||
| { | ||
| graphCode = s; | ||
| } | ||
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| QByteArray GraphvizView::exportGraph(const QString& filter) | ||
| { | ||
| ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Paths"); | ||
| QProcess proc; | ||
| QStringList args; | ||
| if (filter.indexOf(QLatin1String("png")) > 0) | ||
| args << QLatin1String("-Tpng"); | ||
| else if (filter.indexOf(QLatin1String("svg")) > 0) | ||
| args << QLatin1String("-Tsvg"); | ||
| else if (filter.indexOf(QLatin1String("pdf")) > 0) | ||
| args << QLatin1String("-Tpdf"); | ||
| else | ||
| return QByteArray(); | ||
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| #ifdef FC_OS_LINUX | ||
| QString path = QString::fromUtf8(hGrp->GetASCII("Graphviz", "/usr/bin").c_str()); | ||
| #else | ||
| QString path = QString::fromUtf8(hGrp->GetASCII("Graphviz").c_str()); | ||
| #endif | ||
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| #ifdef FC_OS_WIN32 | ||
| QString exe = QString::fromAscii("\"%1/dot\"").arg(path); | ||
| #else | ||
| QString exe = QString::fromAscii("%1/dot").arg(path); | ||
| #endif | ||
| proc.setEnvironment(QProcess::systemEnvironment()); | ||
| proc.start(exe, args); | ||
| if (!proc.waitForStarted()) { | ||
| return QByteArray(); | ||
| } | ||
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| proc.write(graphCode.c_str(), graphCode.size()); | ||
| proc.closeWriteChannel(); | ||
| if (!proc.waitForFinished()) | ||
| return QByteArray(); | ||
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| return proc.readAll(); | ||
| } | ||
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| bool GraphvizView::onMsg(const char* pMsg,const char** ppReturn) | ||
| { | ||
| if (strcmp("Save",pMsg) == 0 || strcmp("SaveAs",pMsg) == 0) { | ||
| QStringList filter; | ||
| filter << tr("PNG format (*.png)"); | ||
| filter << tr("SVG format (*.svg)"); | ||
| filter << tr("PDF format (*.pdf)"); | ||
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| QString selectedFilter; | ||
| QString fn = Gui::FileDialog::getSaveFileName(this, tr("Export graph"), QString(), filter.join(QLatin1String(";;")), &selectedFilter); | ||
| if (!fn.isEmpty()) { | ||
| QByteArray buffer = exportGraph(selectedFilter); | ||
| if (buffer.isEmpty()) | ||
| return false; | ||
| QFile file(fn); | ||
| if (file.open(QFile::WriteOnly)) { | ||
| file.write(buffer); | ||
| file.close(); | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| else if (strcmp("Print",pMsg) == 0) { | ||
| return true; | ||
| } | ||
| else if (strcmp("PrintPreview",pMsg) == 0) { | ||
| return true; | ||
| } | ||
| else if (strcmp("PrintPdf",pMsg) == 0) { | ||
| return true; | ||
| } | ||
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| return false; | ||
| } | ||
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| bool GraphvizView::onHasMsg(const char* pMsg) const | ||
| { | ||
| if (strcmp("Save",pMsg) == 0) | ||
| return true; | ||
| else if (strcmp("SaveAs",pMsg) == 0) | ||
| return true; | ||
| else if (strcmp("Print",pMsg) == 0) | ||
| return true; | ||
| else if (strcmp("PrintPreview",pMsg) == 0) | ||
| return true; | ||
| else if (strcmp("PrintPdf",pMsg) == 0) | ||
| return true; | ||
| return false; | ||
| } | ||
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| void GraphvizView::print(QPrinter* printer) | ||
| { | ||
| QPainter p(printer); | ||
| QRect rect = printer->pageRect(); | ||
| view->scene()->render(&p, rect); | ||
| //QByteArray buffer = exportGraph(QString::fromLatin1("(*.svg)")); | ||
| //QSvgRenderer svg(buffer); | ||
| //svg.render(&p, rect); | ||
| p.end(); | ||
| } | ||
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| void GraphvizView::print() | ||
| { | ||
| QPrinter printer(QPrinter::HighResolution); | ||
| printer.setFullPage(true); | ||
| printer.setOrientation(QPrinter::Landscape); | ||
| QPrintDialog dlg(&printer, this); | ||
| if (dlg.exec() == QDialog::Accepted) { | ||
| print(&printer); | ||
| } | ||
| } | ||
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| void GraphvizView::printPdf() | ||
| { | ||
| QStringList filter; | ||
| filter << tr("PDF format (*.pdf)"); | ||
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| QString selectedFilter; | ||
| QString fn = Gui::FileDialog::getSaveFileName(this, tr("Export graph"), QString(), filter.join(QLatin1String(";;")), &selectedFilter); | ||
| if (!fn.isEmpty()) { | ||
| QByteArray buffer = exportGraph(selectedFilter); | ||
| if (buffer.isEmpty()) | ||
| return; | ||
| QFile file(fn); | ||
| if (file.open(QFile::WriteOnly)) { | ||
| file.write(buffer); | ||
| file.close(); | ||
| } | ||
| } | ||
| } | ||
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| void GraphvizView::printPreview() | ||
| { | ||
| QPrinter printer(QPrinter::HighResolution); | ||
| printer.setFullPage(true); | ||
| printer.setOrientation(QPrinter::Landscape); | ||
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| QPrintPreviewDialog dlg(&printer, this); | ||
| connect(&dlg, SIGNAL(paintRequested (QPrinter *)), | ||
| this, SLOT(print(QPrinter *))); | ||
| dlg.exec(); | ||
| } | ||
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| #include "moc_GraphvizView.cpp" |
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