Correction d'un bug lors de l'enregistrement des polygones.

Ajout de la gestion des arcs de cercle dans l'editeur d'element.


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@95 bfdf4180-ca20-0410-9c96-a3a8aa849046

editor/partarc.cpp

@@ -0,0 +1,98 @@
+#include "partarc.h"
+#include "arceditor.h"
+
+PartArc::PartArc(QGraphicsItem *parent, QGraphicsScene *scene) :
+	QGraphicsEllipseItem(parent, scene),
+	CustomElementGraphicPart(),
+	_angle(-90),
+	start_angle(0)
+{
+	setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+	setAcceptedMouseButtons(Qt::LeftButton);
+	informations = new ArcEditor(this);
+	style_editor -> appendWidget(informations);
+}
+
+void PartArc::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) {
+	applyStylesToQPainter(*painter);
+	// enleve systematiquement la couleur de fond
+	painter -> setBrush(Qt::NoBrush);
+	QPen t = painter -> pen();
+	if (isSelected()) {
+		// dessine l'ellipse en noir
+		painter -> drawEllipse(rect());
+		
+		// dessine l'arc en rouge
+		t.setColor(Qt::red);
+		painter -> setPen(t);
+	}
+	painter -> drawArc(rect(), start_angle * 16, _angle * 16);
+	if (isSelected()) {
+		// dessine la croix au centre de l'ellipse
+		painter -> setRenderHint(QPainter::Antialiasing, false);
+		painter -> setPen((painter -> brush().color() == QColor(Qt::black) && painter -> brush().isOpaque()) ? Qt::yellow : Qt::blue);
+		QPointF center = rect().center();
+		painter -> drawLine(QLineF(center.x() - 2.0, center.y(), center.x() + 2.0, center.y()));
+		painter -> drawLine(QLineF(center.x(), center.y() - 2.0, center.x(), center.y() + 2.0));
+	}
+}
+
+const QDomElement PartArc::toXml(QDomDocument &xml_document) const {
+	QDomElement xml_element = xml_document.createElement("arc");
+	QPointF top_left(sceneTopLeft());
+	xml_element.setAttribute("x", top_left.x());
+	xml_element.setAttribute("y", top_left.y());
+	xml_element.setAttribute("width",  rect().width());
+	xml_element.setAttribute("height", rect().height());
+	xml_element.setAttribute("start", start_angle);
+	xml_element.setAttribute("angle", _angle);
+	stylesToXml(xml_element);
+	return(xml_element);
+}
+
+void PartArc::fromXml(const QDomElement &qde) {
+	stylesFromXml(qde);
+	setRect(
+		QRectF(
+			mapFromScene(
+				qde.attribute("x", "0").toDouble(),
+				qde.attribute("y", "0").toDouble()
+			),
+			QSizeF(
+				qde.attribute("width",  "0").toDouble(),
+				qde.attribute("height", "0").toDouble()
+			)
+		)
+	);
+	setStartAngle(qde.attribute("start", "0").toInt());
+	setAngle(qde.attribute("angle", "-90").toInt());
+}
+
+QPointF PartArc::sceneTopLeft() const {
+	return(mapToScene(rect().topLeft()));
+}
+
+QVariant PartArc::itemChange(GraphicsItemChange change, const QVariant &value) {
+	if (scene()) {
+		if (change == QGraphicsItem::ItemPositionChange || change == QGraphicsItem::ItemSelectedChange) {
+			informations -> updateForm();
+		}
+	}
+	return(QGraphicsEllipseItem::itemChange(change, value));
+}
+
+void PartArc::setAngle(int a) {
+	_angle = a;
+}
+
+void PartArc::setStartAngle(int a) {
+	start_angle = a;
+}
+
+int PartArc::angle() const {
+	return(_angle);
+}
+
+int PartArc::startAngle() const {
+	return(start_angle);
+}