LED framebuffer connected to GUI

simulation/VirtualLedBoard/mainwindow.cpp

@@ -1,12 +1,21 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 
+#include <QPainter>
+#include <QPixmap>
+#include <QGraphicsPixmapItem>
+#include <QGraphicsView>
+
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
     this->server = new UdpLedServer ();
+
+    this->mOffscreenDiagram = new QImage(DEFAULT_WIDTH, DEFAULT_HEIGHT, QImage::Format_RGB32);
+    this->mOffscreenDiagram->fill(COLOR_BACKGROUND);
+
 }
 
 MainWindow::~MainWindow()
@@ -14,3 +23,14 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
+void MainWindow::drawImage(QImage *target) {
+    QGraphicsView *graphicsView = new QGraphicsView();
+    graphicsView->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+    QGraphicsScene* scene=new QGraphicsScene() ;
+    graphicsView->setScene(scene);
+    QGraphicsPixmapItem* item = new QGraphicsPixmapItem(QPixmap::fromImage(*(target)));
+    scene->addItem(item);
+    graphicsView->show();
+    this->ui->ledPanel->addWidget(graphicsView);
+}
+

simulation/VirtualLedBoard/mainwindow.h

@@ -2,8 +2,24 @@
 #define MAINWINDOW_H
 
 #include <QMainWindow>
+#include <QImage>
 #include "udpserver.h"
 
+
+#define MAXIMUM_PANELSIZE 5
+#define PANEL_WIDTH 32
+#define PANEL_HEIGHT 40
+
+#define LED_DIAMETER 5
+#define LED_DISTANCE (LED_DIAMETER + 2)
+
+#define DEFAULT_WIDTH   (LED_DISTANCE * MAXIMUM_PANELSIZE * PANEL_WIDTH)
+#define DEFAULT_HEIGHT  (LED_DISTANCE * PANEL_HEIGHT)
+
+
+#define COLOR_BACKGROUND    Qt::black
+#define COLOR_FOREGROUND    Qt::orange
+
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
 QT_END_NAMESPACE
@@ -19,5 +35,7 @@ public:
 private:
     Ui::MainWindow *ui;
     UdpLedServer *server;
+    QImage       *mOffscreenDiagram;
+    void drawImage(QImage *image);
 };
 #endif // MAINWINDOW_H

simulation/VirtualLedBoard/mainwindow.ui

@@ -13,8 +13,34 @@
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
-  <widget class="QWidget" name="centralwidget"/>
+  <widget class="QWidget" name="centralwidget">
-  <widget class="QMenuBar" name="menubar"/>
+   <property name="sizePolicy">
+    <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+     <horstretch>0</horstretch>
+     <verstretch>0</verstretch>
+    </sizepolicy>
+   </property>
+   <widget class="QVBoxLayout" name="ledPanel">
+    <property name="geometry">
+     <rect>
+      <x>10</x>
+      <y>0</y>
+      <width>781</width>
+      <height>441</height>
+     </rect>
+    </property>
+   </widget>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>22</height>
+    </rect>
+   </property>
+  </widget>
   <widget class="QStatusBar" name="statusbar"/>
  </widget>
  <resources/>