open error msg added

PictureDialog.cpp

@@ -20,6 +20,7 @@
 #include "ui_PictureDialog.h"
 
 #include <QJsonDocument>
+#include <QMessageBox>
 #include <QJsonObject>
 #include <QVariantMap>
 #include <QJsonArray>
@@ -39,7 +40,9 @@ PictureDialog::~PictureDialog()
     delete ui;
 }
 
-void PictureDialog::setSnapmaticPicture(SnapmaticPicture *picture)
+void PictureDialog::setSnapmaticPicture(SnapmaticPicture *picture, bool readOk)
+{
+    if (readOk)
     {
         QString locX = QString::number(picture->getLocationX());
         QString locY = QString::number(picture->getLocationY());
@@ -59,6 +62,11 @@ void PictureDialog::setSnapmaticPicture(SnapmaticPicture *picture)
         ui->labJSON->setText(jsonDrawString.arg(locX, locY, locZ, plyrsStr, crewID));
         ui->labPicture->setPixmap(picture->getPixmap());
     }
+    else
+    {
+        QMessageBox::warning(this,tr("Snapmatic Picture Viewer"),tr("Failed at %1").arg(picture->getLastStep()));
+    }
+}
 
 void PictureDialog::on_cmdClose_clicked()
 {

PictureDialog.h

@@ -31,7 +31,7 @@ class PictureDialog : public QDialog
     Q_OBJECT
 public:
     explicit PictureDialog(QWidget *parent = 0);
-    void setSnapmaticPicture(SnapmaticPicture *picture);
+    void setSnapmaticPicture(SnapmaticPicture *picture, bool readOk);
     ~PictureDialog();
 
 private slots:

main.cpp

@@ -46,9 +46,9 @@ int main(int argc, char *argv[])
     {
         PictureDialog picDialog;
         SnapmaticPicture picture;
-        picture.readingPictureFromFile(arg1);
+        bool readOk = picture.readingPictureFromFile(arg1);
         picDialog.setWindowFlags(picDialog.windowFlags()^Qt::WindowContextHelpButtonHint);
-        picDialog.setSnapmaticPicture(&picture);
+        picDialog.setSnapmaticPicture(&picture, readOk);
         picDialog.show();
 
         return a.exec();