keep PNG for avatars

retroshare-gui/src/gui/Identity/IdEditDialog.cpp

@@ -577,7 +577,7 @@ void IdEditDialog::createId()
         QBuffer buffer(&ba);
 
         buffer.open(QIODevice::WriteOnly);
-        mAvatar.save(&buffer, "JPG"); // writes image into ba in PNG format
+        mAvatar.save(&buffer, "PNG"); // writes image into ba in PNG format
 
         params.mImage.copy((uint8_t *) ba.data(), ba.size());
     }
@@ -649,7 +649,7 @@ void IdEditDialog::updateId()
 		QBuffer buffer(&ba);
 
 		buffer.open(QIODevice::WriteOnly);
-        mAvatar.save(&buffer, "JPG"); // writes image into ba in PNG format
+        mAvatar.save(&buffer, "PNG"); // writes image into ba in PNG format
 
 		mEditGroup.mImage.copy((uint8_t *) ba.data(), ba.size());
 	}

retroshare-gui/src/gui/Posted/PostedGroupDialog.cpp

@@ -105,7 +105,7 @@ void PostedGroupDialog::preparePostedGroup(RsPostedGroup &group, const RsGroupMe
 		QBuffer buffer(&ba);
 
 		buffer.open(QIODevice::WriteOnly);
-        pixmap.save(&buffer, "JPG"); // writes image into ba in PNG format
+        pixmap.save(&buffer, "PNG"); // writes image into ba in PNG format
 
 		group.mGroupImage.copy((uint8_t *) ba.data(), ba.size());
 	} else {

retroshare-gui/src/gui/TheWire/WireGroupDialog.cpp

@@ -109,7 +109,7 @@ void WireGroupDialog::prepareWireGroup(RsWireGroup &group, const RsGroupMetaData
 		QBuffer buffer(&ba);
 
 		buffer.open(QIODevice::WriteOnly);
-        pixmap.save(&buffer, "JPG"); // writes image into ba in PNG format
+        pixmap.save(&buffer, "PNG"); // writes image into ba in PNG format
 
 		group.mHeadshot.copy((uint8_t *) ba.data(), ba.size());
 	} else {

retroshare-gui/src/gui/chat/ChatWidget.cpp

@@ -1094,7 +1094,7 @@ void ChatWidget::addChatMsg(bool incoming, const QString &name, const RsGxsId gx
 			QImage image(icon.pixmap(height,height).toImage());
 			QByteArray byteArray;
 			QBuffer buffer(&byteArray);
-            image.save(&buffer, "JPG"); // writes the image in PNG format inside the buffer
+            image.save(&buffer, "PNG"); // writes the image in PNG format inside the buffer
 			QString iconBase64 = QString::fromLatin1(byteArray.toBase64().data());
 			strPreName = QString("<img src=\"data:image/png;base64,%1\" alt=\"[unsigned]\" />").arg(iconBase64);
 		}

retroshare-gui/src/gui/common/AvatarDialog.cpp

@@ -141,7 +141,7 @@ void AvatarDialog::getAvatar(QByteArray &avatar)
 	QBuffer buffer(&avatar);
 
 	buffer.open(QIODevice::WriteOnly);
-    pixmap.save(&buffer, "JPG"); // writes image into ba in PNG format
+    pixmap.save(&buffer, "PNG"); // writes image into ba in PNG format
 }
 
 void AvatarDialog::load()

retroshare-gui/src/gui/gxschannels/GxsChannelGroupDialog.cpp

@@ -120,7 +120,7 @@ void GxsChannelGroupDialog::prepareChannelGroup(RsGxsChannelGroup &group, const
 		QBuffer buffer(&ba);
 
 		buffer.open(QIODevice::WriteOnly);
-        pixmap.save(&buffer, "JPG"); // writes image into ba in PNG format
+        pixmap.save(&buffer, "PNG"); // writes image into ba in PNG format
 
 		group.mImage.copy((uint8_t *) ba.data(), ba.size());
 	} else {