移除souce属性

scene/PicImageItem.cpp

@@ -6,19 +6,19 @@ PicImageItem::PicImageItem(QGraphicsItem *parent, QGraphicsScene *scene, const S
 
 }
 
-QVariant PicImageItem::source()
+QString PicImageItem::imagePath()
 {
     return m_imgPath;
 }
 
-void PicImageItem::setSource(QVariant var)
+void PicImageItem::setImagePath(const QString& path)
 {
-    QImage img(var.toString());
+    QImage img(path);
     if(img.isNull())
         return;
 
     m_img = img;
-    m_imgPath = var.toString();
+    m_imgPath = path;
     applyModify();
 }
 
@@ -29,12 +29,12 @@ QImage PicImageItem::itemImage()
 
 void PicImageItem::setCustomAttrs(const QXmlStreamAttributes &attrs)
 {
-    setSource(attrs.value("source").toString());
+    setImagePath(attrs.value("source").toString());
 }
 
 void PicImageItem::saveCustomAttrs(QXmlStreamAttributes &attrs)
 {
-    attrs.append("source", source().toString());
+    attrs.append("source", imagePath());
 }
 
 void PicImageItem::colorReversalChanged()