diff --git a/editor/customelementgraphicpart.cpp b/editor/customelementgraphicpart.cpp
index 102188699..223e5b6df 100644
--- a/editor/customelementgraphicpart.cpp
+++ b/editor/customelementgraphicpart.cpp
@@ -133,16 +133,25 @@ QWidget *CustomElementGraphicPart::elementInformations() {
 }
 
 void CustomElementGraphicPart::setProperty(const QString &property, const QVariant &value) {
+	bool change_made = false;
 	if (property == "line-style") {
 		setLineStyle(static_cast<LineStyle>(value.toInt()));
+		change_made = true;
 	} else if (property == "line-weight") {
 		setLineWeight(static_cast<LineWeight>(value.toInt()));
+		change_made = true;
 	} else if (property == "filling") {
 		setFilling(static_cast<Filling>(value.toInt()));
+		change_made = true;
 	} else if (property == "color") {
 		setColor(static_cast<Color>(value.toInt()));
+		change_made = true;
 	} else if (property == "antialias") {
 		setAntialiased(value.toBool());
+		change_made = true;
+	}
+	if (change_made) {
+		style_editor -> updateForm();
 	}
 }
 
diff --git a/editor/editorcommands.cpp b/editor/editorcommands.cpp
index a38632895..cfc2b6ea0 100644
--- a/editor/editorcommands.cpp
+++ b/editor/editorcommands.cpp
@@ -119,6 +119,8 @@ void AddPartCommand::undo() {
 void AddPartCommand::redo() {
 	// le premier appel a redo, lors de la construction de l'objet, ne doit pas se faire
 	if (first_redo) {
+		editor_scene -> clearSelection();
+		part -> setSelected(true);
 		first_redo = false;
 		return;
 	}
diff --git a/editor/elementscene.cpp b/editor/elementscene.cpp
index 3d7a41ecf..48fd98d72 100644
--- a/editor/elementscene.cpp
+++ b/editor/elementscene.cpp
@@ -128,14 +128,17 @@ void ElementScene::mousePressEvent(QGraphicsSceneMouseEvent *e) {
 			case Ellipse:
 				current_ellipse = new PartEllipse(element_editor, 0, this);
 				current_ellipse -> setRect(QRectF(e -> scenePos(), QSizeF(0.0, 0.0)));
+				current_ellipse -> setProperty("antialias", true);
 				break;
 			case Arc:
 				current_arc = new PartArc(element_editor, 0, this);
 				current_arc -> setRect(QRectF(e -> scenePos(), QSizeF(0.0, 0.0)));
+				current_arc -> setProperty("antialias", true);
 				break;
 			case Circle:
 				current_circle = new PartCircle(element_editor, 0, this);
 				current_circle -> setRect(QRectF(e -> scenePos(), QSizeF(0.0, 0.0)));
+				current_circle -> setProperty("antialias", true);
 				break;
 			case Polygon:
 				if (current_polygon == NULL) {
diff --git a/exportdialog.cpp b/exportdialog.cpp
index 0ad5bbec5..538bdfafa 100644
--- a/exportdialog.cpp
+++ b/exportdialog.cpp
@@ -16,9 +16,6 @@ ExportDialog::ExportDialog(Diagram *dia, QWidget *parent) : QDialog(parent) {
 	diagram_ratio = (qreal)diagram_size.width() / (qreal)diagram_size.height();
 	dontchangewidth = dontchangeheight = false;
 	
-	// vecteur contenant 256 nuances de gris, pour exporter les images sans couleur
-	for (int i = 0 ; i < 256 ; ++ i) ColorTab << qRgb(i, i, i);
-	
 	// la taille du dialogue est fixee
 	setFixedSize(800, 360);
 	setWindowTitle(tr("Exporter"));
@@ -54,7 +51,6 @@ ExportDialog::ExportDialog(Diagram *dia, QWidget *parent) : QDialog(parent) {
 	connect(draw_inset,        SIGNAL(stateChanged(int) ), this, SLOT(slot_refreshPreview()));
 	connect(draw_columns,      SIGNAL(stateChanged(int) ), this, SLOT(slot_refreshPreview()));
 	connect(draw_terminals,    SIGNAL(stateChanged(int) ), this, SLOT(slot_refreshPreview()));
-	connect(keep_colors,       SIGNAL(stateChanged(int) ), this, SLOT(slot_refreshPreview()));
 	connect(width,             SIGNAL(valueChanged(int) ), this, SLOT(slot_refreshPreview()));
 	connect(height,            SIGNAL(valueChanged(int) ), this, SLOT(slot_refreshPreview()));
 	connect(export_border,     SIGNAL(toggled     (bool)), this, SLOT(slot_changeUseBorder()));
@@ -126,7 +122,6 @@ QGroupBox *ExportDialog::setupOptionsGroupBox() {
 	// dessiner la grille
 	draw_grid = new QCheckBox(tr("Dessiner la grille"), groupbox_options);
 	optionshlayout -> addWidget(draw_grid, 1, 0);
-	draw_grid -> setChecked(diagram -> displayGrid());
 	
 	// dessiner le cadre
 	draw_border = new QCheckBox(tr("Dessiner le cadre"), groupbox_options);
@@ -143,13 +138,9 @@ QGroupBox *ExportDialog::setupOptionsGroupBox() {
 	optionshlayout -> addWidget(draw_columns, 2, 1);
 	draw_columns -> setChecked(diagram -> border_and_inset.columnsAreDisplayed());
 	
-	// Conserver les couleurs
-	keep_colors = new QCheckBox(tr("Conserver les couleurs"), groupbox_options);
-	optionshlayout -> addWidget(keep_colors, 3, 0);
-	
 	// dessiner les bornes
 	draw_terminals = new QCheckBox(tr("Dessiner les bornes"), groupbox_options);
-	optionshlayout -> addWidget(draw_terminals, 3, 1);
+	optionshlayout -> addWidget(draw_terminals, 3, 0);
 	
 	return(groupbox_options);
 }
@@ -277,11 +268,6 @@ QImage ExportDialog::generateImage() {
 		keep_aspect_ratio -> isChecked() ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio
 	);
 	
-	// convertit l'image en niveaux de gris si besoin
-	if (!keep_colors -> isChecked()) {
-		image = image.convertToFormat(QImage::Format_Indexed8, ColorTab, Qt::ThresholdDither);
-	}
-	
 	saveReloadDiagramParameters(false);
 	
 	return(image);
@@ -348,7 +334,7 @@ void ExportDialog::generateSvg(QFile &file) {
 	svg_engine.setOutputDevice(&file);
 	QPainter svg_painter(&svg_engine);
 	picture.play(&svg_painter);
-	/// @todo gerer l'enlevement des couleurs
+	
 	saveReloadDiagramParameters(false);
 }
 
diff --git a/exportdialog.h b/exportdialog.h
index 532f9174e..ee311ae21 100644
--- a/exportdialog.h
+++ b/exportdialog.h
@@ -32,7 +32,6 @@ class ExportDialog : public QDialog {
 	QCheckBox *draw_inset;
 	QCheckBox *draw_columns;
 	QCheckBox *draw_terminals;
-	QCheckBox *keep_colors;
 	QRadioButton *export_elements;
 	QRadioButton *export_border;
 	QDialogButtonBox *buttons;