fixed claudio's bug

src/board/UBLibraryController.cpp

@@ -262,9 +262,10 @@ QImage* UBLibraryController::createThumbnail(UBLibElement* pElement)
 
 QImage* UBLibraryController::thumbnailForFile(UBLibElement* pElement)
 {
-    if (pElement->path().toString().contains("uniboardTool://"))
-        return &UBToolsManager::manager()->iconFromToolId(pElement->path().toString()).toImage();
-
+	if (pElement->path().toString().contains("uniboardTool://")){
+		QImage* image = new QImage(UBToolsManager::manager()->iconFromToolId(pElement->path().toString()));
+		return image;
+	}
     QString thumbnailPath = UBFileSystemUtils::thumbnailPath(pElement->path().toLocalFile());
 
     if (!thumbnailPath.length())

src/tools/UBToolsManager.cpp

@@ -17,28 +17,28 @@ UBToolsManager::UBToolsManager(QObject *parent)
     mask.icon = QPixmap(":/images/toolPalette/maskTool.png");
     mask.label = tr("Mask");
     mask.version = "1.0";
-    mToolsIcon.insert(mask.id, mask.icon);
+    mToolsIcon.insert(mask.id, ":/images/toolPalette/maskTool.png");
     mDescriptors << mask;
 
     ruler.id = "uniboardTool://uniboard.mnemis.com/ruler";
     ruler.icon = QPixmap(":/images/toolPalette/rulerTool.png");
     ruler.label = tr("Ruler");
     ruler.version = "1.0";
-    mToolsIcon.insert(ruler.id, ruler.icon);
+    mToolsIcon.insert(ruler.id, ":/images/toolPalette/rulerTool.png");
     mDescriptors << ruler;
 
     compass.id = "uniboardTool://uniboard.mnemis.com/compass";
     compass.icon = QPixmap(":/images/toolPalette/compassTool.png");
     compass.label = tr("Compass");
     compass.version = "1.0";
-    mToolsIcon.insert(compass.id, compass.icon);
+    mToolsIcon.insert(compass.id, ":/images/toolPalette/compassTool.png");
     mDescriptors << compass;
 
     protractor.id = "uniboardTool://uniboard.mnemis.com/protractor";
     protractor.icon = QPixmap(":/images/toolPalette/protractorTool.png");
     protractor.label = tr("Protractor");
     protractor.version = "1.0";
-    mToolsIcon.insert(protractor.id, protractor.icon);
+    mToolsIcon.insert(protractor.id,":/images/toolPalette/protractorTool.png");
     mDescriptors << protractor;
 
 }

src/tools/UBToolsManager.h

@@ -70,7 +70,7 @@ class UBToolsManager : public QObject
         UBToolDescriptor compass;
         UBToolDescriptor mask;
 
-        QPixmap iconFromToolId(QString id) { return mToolsIcon.value(id);}
+        QString iconFromToolId(QString id) { return mToolsIcon.value(id);}
 
     private:
         UBToolsManager(QObject *parent = 0);
@@ -80,7 +80,7 @@ class UBToolsManager : public QObject
 
         QList<UBToolDescriptor> mDescriptors;
 
-        QMap<QString ,QPixmap> mToolsIcon;
+        QMap<QString ,QString> mToolsIcon;
 
 };