Truc moins moche V2 (I'm a teapot BORDEL DE MERDE 418 aled il est 1h45)

InGame.cpp

@@ -3,7 +3,11 @@
 InGame::InGame(QWidget *parent) : QWidget(parent) {
     this->mainLayout = new QVBoxLayout(this);
     this->mainLayout->setAlignment(Qt::AlignCenter);
-    this->setStyleSheet("background-image: url(:/img/ISEN-Nantes.png); background-repeat: no-repeat; background-position: center; background-color: white; background-size: auto 56%;");
+    QPixmap bgPixmap(":/img/ISEN-Nantes.png");
+    bgPixmap = bgPixmap.scaled(this->size(), Qt::KeepAspectRatioByExpanding);
+    QPalette palette;
+    palette.setBrush(QPalette::Window, QBrush(bgPixmap));
+    this->setPalette(palette);
     this->pts = new QLabel("Points : 0", this);
     this->pts->setStyleSheet("font-size: 96px; color: black;");
     this->x = new QLabel("X : 0", this);

InGame.h

@@ -3,6 +3,9 @@
 #include <QVBoxLayout>
 #include <QWidget>
 #include <QTimer>
+#include <QPixmap>
+#include <QPalette>
+#include <QBrush>
 
 class InGame : public QWidget {
     Q_OBJECT