1 files changed, 14 insertions, 45 deletions

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index eda1e14..7ba9cac 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -41,6 +41,8 @@
 #include "commands.h"
 #include "mainwindow.h"
 
+#include "export/exporter.h"
+#include "export/exporterlist.h"
 
 using namespace std;
 
@@ -56,6 +58,8 @@ public:
 
 	QActionGroup *notationActionGroup;
 	QMenu *notationMenu;
+
+    ExporterList exporters;
 };
 
 MainWindow::MainWindow()
@@ -481,51 +485,16 @@ MainWindow::saveAs()
 void
 MainWindow::exportPNG()
 {
-	QStringList filters;
-	filters << "Portable Network Graphics (*.png)";
-	filters << "Portable Document Format (*.pdf)";
-	filters << "Scalable Vector Graphics (*.svg)";
-	QString fileName = QFileDialog::getSaveFileName(this, QString(), QString(), filters.join(";;"));
-	if (!fileName.isNull()) {
-		QRectF boundingRect = m_model->itemsBoundingRect().adjusted(-2, -2, 2, 2);
-		QSize size(int(ceil(boundingRect.width())), int(ceil(boundingRect.height())));
-		if (fileName.endsWith(".svg", Qt::CaseInsensitive)) {
-			QSvgGenerator generator;
-			generator.setSize(size);
-			generator.setFileName(fileName);
-			QPainter painter(&generator);
-			painter.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing);
-			m_model->setPrinting(true);
-			m_model->render(&painter, QRectF(), boundingRect);
-			m_model->setPrinting(false);
-		}
-		else if (fileName.endsWith(".pdf", Qt::CaseInsensitive)) {
-			QPrinter printer;
-			printer.setOutputFormat(QPrinter::PdfFormat);
-			printer.setOutputFileName(fileName);
-			QPainter painter(&printer);
-			painter.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing);
-			m_model->setPrinting(true);
-			m_model->render(&painter, QRectF(), boundingRect);
-			m_model->setPrinting(false);
-		}
-		else if (fileName.endsWith(".png", Qt::CaseInsensitive)) {
-			QImage image(size, QImage::Format_RGB32);
-			QPainter painter(&image);
-			painter.setRenderHints(QPainter::HighQualityAntialiasing | QPainter::Antialiasing);
-			painter.fillRect(image.rect(), Qt::white);
-			m_model->setPrinting(true);
-			m_model->render(&painter, image.rect(), boundingRect);
-			m_model->setPrinting(false);
-			if (true)
-				image.convertToFormat(QImage::Format_Indexed8).save(fileName, "PNG");
-			else
-				image.save(fileName, "PNG");
-		}
-		else {
-			QMessageBox::critical(this, tr("Error"), tr("Unknown format."));
-		}
-	}
+    QString selectedFilter;
+    QString fileName = QFileDialog::getSaveFileName(this, QString(), QString(), d->exporters.filters(), &selectedFilter);
+    if (!fileName.isNull()) {
+        Exporter *exporter = d->exporters.lookup(&fileName, selectedFilter);
+        if (!exporter) {
+            QMessageBox::critical(this, tr("Error"), tr("Unknown format."));
+            return;
+        }
+        exporter->exportToFile(fileName, m_model);
+    }
 }
 
 void