From 79cf72d33d741b2f722a4398880de53d693b32d3 Mon Sep 17 00:00:00 2001
From: Jan Philipp Timme <jan.philipp@timme.it>
Date: Wed, 6 Jan 2016 17:36:04 +0100
Subject: [PATCH] [TASK] Prepare structure for hough transformation.

---
 hough_machine.cpp   | 33 +++++++++++++++++++++++++++++++++
 imageviewer-qt4.cpp | 15 +++++++++++++++
 imageviewer-qt4.h   |  4 ++++
 3 files changed, 52 insertions(+)
 create mode 100644 hough_machine.cpp

diff --git a/hough_machine.cpp b/hough_machine.cpp
new file mode 100644
index 0000000..dd6852b
--- /dev/null
+++ b/hough_machine.cpp
@@ -0,0 +1,33 @@
+#ifndef HOUGH_MACHINE_C
+#define HOUGH_MACHINE_C
+
+#include <QtGlobal>
+#include <QMainWindow>
+#include <QColor>
+
+#include <iostream>
+
+#include <math.h>
+
+class HoughMachine {
+  
+  private:
+    
+
+  public:
+    HoughMachine() {
+
+    };
+    
+    ~HoughMachine() {
+
+    };
+        
+    void convertToMonochrome(void) {
+
+    };
+
+};
+
+
+#endif
diff --git a/imageviewer-qt4.cpp b/imageviewer-qt4.cpp
index d909dd7..3215623 100644
--- a/imageviewer-qt4.cpp
+++ b/imageviewer-qt4.cpp
@@ -764,6 +764,17 @@ void ImageViewer::doUnsharpMasking(void) {
   free(blurred_intensity);
   updateImageDisplay();
 }
+
+/**
+ * Do the hough transformation
+ * 
+ * @brief ImageViewer::runHoughTransformation
+ */
+void ImageViewer::runHoughTransformation(void) {
+  logFile << "Let's run a hough transformation!" << std::endl;
+  renewLogging();
+  updateImageDisplay();  
+}
 /**************************************************************************************** 
 *   
 *  GUI elements related to the tasks are set up here.
@@ -1105,7 +1116,11 @@ void ImageViewer::generateControlPanels() {
   task_tab6_scrolllayout->setSizeConstraint(QLayout::SetMaximumSize);
   task_tab6_scrollwidget->setLayout(task_tab6_scrolllayout);
   
+  run_hough_transformation = new QPushButton("Run hough transformation!");
+  QObject::connect(run_hough_transformation, SIGNAL(clicked()), this, SLOT(runHoughTransformation()));
+  
   task_tab6_scrolllayout->addWidget(new QLabel("Task #6 and stuff"));
+  task_tab6_scrolllayout->addWidget(run_hough_transformation);
   
   tabWidget->addTab(task_tab6_widget, "Task #6");
   
diff --git a/imageviewer-qt4.h b/imageviewer-qt4.h
index 2c622be..5cc117d 100644
--- a/imageviewer-qt4.h
+++ b/imageviewer-qt4.h
@@ -58,6 +58,7 @@
 #include "lazy_image.cpp"
 #include "filter_gui.cpp"
 #include "canny_edge_machine.cpp"
+#include "hough_machine.cpp"
 
 class QAction;
 class QLabel;
@@ -167,6 +168,8 @@ class ImageViewer : public QMainWindow {
     QScrollArea* task_tab6_scrollarea;
     QVBoxLayout* task_tab6_scrolllayout;
     
+    QPushButton* run_hough_transformation;
+    
     // "My" space for storing data/results
     LazyImage* original;
     LazyImage* working_copy;
@@ -196,6 +199,7 @@ class ImageViewer : public QMainWindow {
     void runCannyEdgeSecondStep(void);
     void runCannyEdgeThirdStep(void);
     void doUnsharpMasking(void);
+    void runHoughTransformation(void);
 
     void open();
     void openReference();