From 8039ff529a6b13cd9643a6120d24deeac50b10ee Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Sat, 15 Oct 2011 19:43:44 +0200
Subject: [PATCH] store images into structure

---
 qt/mainwindow.cpp | 18 ++++++++++++++++--
 qt/mainwindow.h   |  4 ++++
 qt/voxeldata.cpp  | 12 ++++++++----
 qt/voxeldata.h    |  2 +-
 4 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/qt/mainwindow.cpp b/qt/mainwindow.cpp
index 051c320..e526d6a 100644
--- a/qt/mainwindow.cpp
+++ b/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);
+}
diff --git a/qt/mainwindow.h b/qt/mainwindow.h
index 076e1e0..0992c41 100644
--- a/qt/mainwindow.h
+++ b/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
diff --git a/qt/voxeldata.cpp b/qt/voxeldata.cpp
index 6ae8042..8a1c8da 100644
--- a/qt/voxeldata.cpp
+++ b/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;
 }
diff --git a/qt/voxeldata.h b/qt/voxeldata.h
index e2b1c28..82b4126 100644
--- a/qt/voxeldata.h
+++ b/qt/voxeldata.h
@@ -3,7 +3,7 @@
 
 #include <QString>
 
-#define VOXELDATA char
+#define VOXELDATA unsigned char
 
 class VoxelData
 {