store images into structure

qt/mainwindow.cpp

@@ -2,6 +2,7 @@
 #include "ui_mainwindow.h"
 #include <QFileDialog>
 #include <qdebug.h>
+#include <QMessageBox>
 
 #define BLACK 0xFF000000
 #define RED   0xFFFF0000
@@ -13,7 +14,6 @@ MainWindow::MainWindow(QWidget *parent) :
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
-
 }
 
 MainWindow::~MainWindow()
@@ -26,7 +26,13 @@ void MainWindow::on_pushLoad_clicked()
     QString filename = QFileDialog::getOpenFileName(this, "Open Image", "", "Series of medical files (*.txt)");
     if (filename.isNull()) return;
     QFileInfo pathInfo(filename);
-    vdata.load(pathInfo.path(), pathInfo.fileName());
+    if (!vdata.load(pathInfo.path(), pathInfo.fileName())) {
+        QMessageBox("Error", "Error loading data");
+    } else {
+        ui->sliderPosition->setMaximum(vdata.getDimZ());
+        ui->sliderPosition->setValue(vdata.getDimZ()/2);
+    }
+
 }
 
 /*
@@ -124,3 +130,11 @@ void MainWindow::floodfill(QImage &img)
 
 }
 */
+
+void MainWindow::on_sliderPosition_valueChanged(int value)
+{
+    QPixmap pixmap;
+    scene.clear();
+    pixmap.convertFromImage(image);
+    scene.addPixmap(pixmap);
+}

qt/mainwindow.h

@@ -20,9 +20,13 @@ public:
 private slots:
     void on_pushLoad_clicked();
 
+    void on_sliderPosition_valueChanged(int value);
+
 private:
     Ui::MainWindow *ui;
     VoxelData vdata;
+    QImage img;
+    QGraphicsScene scene;
 };
 
 #endif // MAINWINDOW_H

qt/voxeldata.cpp

@@ -11,7 +11,7 @@ bool VoxelData::load(QString path, QString filename)
     if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
         return false;
     QTextStream in(&file);
-    int i = 0;
+    int z = 0;
     data = new VOXELDATA[512*512*512];
     while (!in.atEnd()) {
         QString line = in.readLine();
@@ -20,10 +20,14 @@ bool VoxelData::load(QString path, QString filename)
         img.load(path + "/" + line);
         dimx = img.width();
         dimy = img.height();
-        qDebug() << img.format() ;
-        i++;
+        for (int x = 0; x < dimx; ++x) {
+            for (int y = 0; y < dimy; ++y) {
+                data[ x + y*512 + z*512*512] = img.pixel(x,y) & 0xFF;
+            }
+        }
+        z++;
     }
-    dimz = i;
+    dimz = z;
     file.close();
     return true;
 }

qt/voxeldata.h

@@ -3,7 +3,7 @@
 
 #include <QString>
 
-#define VOXELDATA char
+#define VOXELDATA unsigned char
 
 class VoxelData
 {