[kgraphviewer-devel] [kgraphviewer] src/part: Add the possibility to export to svg and other pixmap formats

[Gaël de Chalendar]

Git commit 73861f2443eb2f1f5434f82ead3f714b22bd8328 by Gaël de Chalendar.
Committed on 16/09/2011 at 00:08.
Pushed by kleag into branch 'master'.

Add the possibility to export to svg and other pixmap formats

M  +24   -6    src/part/dotgraphview.cpp

http://commits.kde.org/kgraphviewer/73861f2443eb2f1f5434f82ead3f714b22bd8328

diff --git a/src/part/dotgraphview.cpp b/src/part/dotgraphview.cpp
index 68a23a9..4b3ca03 100644
--- a/src/part/dotgraphview.cpp
+++ b/src/part/dotgraphview.cpp
@@ -67,6 +67,7 @@
 #include <QGraphicsSimpleTextItem>
 #include <QScrollBar>
 #include <QUuid>
+#include <QSvgGenerator>
 
 #include <kdebug.h>
 #include <klocale.h>
@@ -487,7 +488,7 @@ void DotGraphViewPrivate::setupPopup()
   
   m_popup->addAction(file_exportMenu);
   KAction* exportToImageAction = new KAction(i18n("As Image..."),q);
-  exportToImageAction->setWhatsThis(i18n("Export the graph to an image file (currently PNG only.)"));
+  exportToImageAction->setWhatsThis(i18n("Export the graph to an image file."));
   actionCollection()->addAction("export_image", exportToImageAction);
   QObject::connect(exportToImageAction,SIGNAL(triggered(bool)), q, SLOT(slotExportImage()));
   
@@ -579,15 +580,32 @@ void DotGraphViewPrivate::exportToImage()
   // write current content of canvas as image to file
   if (!m_canvas) return;
   
-  QString fn = KFileDialog::getSaveFileName(KUrl(":"),QString("*.png"),0,QString(""));
+  QString fn = KFileDialog::getSaveFileName(KUrl(":"),QString("*.svg *.bmp *.gif *.jpg *.jpeg *.png *.pbm *.pgm *.ppm *.xbm *.xpm"),0,QString(""));
   
   if (!fn.isEmpty())
   {
-    QPixmap pix(m_canvas->sceneRect().size().toSize());
-    QPainter p(&pix);
-    m_canvas->render( &p );
-    pix.save(fn,"PNG");
+    if (fn.toLower().endsWith(".svg"))
+    {
+      QSvgGenerator generator;
+      generator.setFileName(fn);
+      generator.setSize(m_canvas->sceneRect().size().toSize());
+//       generator.setViewBox();
+      generator.setTitle(i18n("Graph SVG Generated by KGraphViewer"));
+      generator.setDescription(i18n("Graph SVG Generated by KGraphViewer."));
+      QPainter painter;
+      painter.begin(&generator);
+      m_canvas->render( &painter );
+      painter.end();
+    }
+    else
+    {
+      QPixmap pix(m_canvas->sceneRect().size().toSize());
+      QPainter p(&pix);
+      m_canvas->render( &p );
+      pix.save(fn, 0, 100);
+    }
   }
+
 }