From 29e744fadfbb7445f8c7f05a252b5ca63265feb1 Mon Sep 17 00:00:00 2001
From: dmayerich <dmayerich@gmail.com>
Date: Wed, 6 Mar 2013 11:11:22 -0600
Subject: [PATCH] Added QT dialog box files for distortion maps.

---
 distortiondialog.ui    | 32 ++++++++++++++++++++++++++++++++
 qtDistortionDialog.cpp | 12 ++++++++++++
 qtDistortionDialog.h   | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 128 insertions(+), 0 deletions(-)
 create mode 100644 distortiondialog.ui
 create mode 100644 qtDistortionDialog.cpp
 create mode 100644 qtDistortionDialog.h

diff --git a/distortiondialog.ui b/distortiondialog.ui
new file mode 100644
index 0000000..e89667a
--- /dev/null
+++ b/distortiondialog.ui
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DistortionDialogClass</class>
+ <widget class="QDialog" name="DistortionDialogClass">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Distortion Map</string>
+  </property>
+  <widget class="QPushButton" name="btnComputeDistortionMap">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>250</y>
+     <width>87</width>
+     <height>27</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>Compute</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/qtDistortionDialog.cpp b/qtDistortionDialog.cpp
new file mode 100644
index 0000000..0f6a0aa
--- /dev/null
+++ b/qtDistortionDialog.cpp
@@ -0,0 +1,12 @@
+#include "qtDistortionDialog.h"
+
+qtDistortionDialog::qtDistortionDialog(QWidget *parent, Qt::WFlags flags)
+	: QDialog(parent, flags)
+{
+	ui.setupUi(this);
+}
+
+qtDistortionDialog::~qtDistortionDialog()
+{
+	updating = false;
+}
diff --git a/qtDistortionDialog.h b/qtDistortionDialog.h
new file mode 100644
index 0000000..7d25207
--- /dev/null
+++ b/qtDistortionDialog.h
@@ -0,0 +1,84 @@
+#ifndef DISTORTIONDIALOG_H
+#define DISTORTIONDIALOG_H
+
+#include <QtGui/QDialog>
+#include <QDragEnterEvent>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+#include <QGraphicsPixmapItem>
+#include <qfiledialog.h>
+#include <qinputdialog.h>
+#include "ui_distortiondialog.h"
+#include "globals.h"
+
+extern QGraphicsScene* distortionScene;
+extern QGraphicsView* distortionWindow;
+extern QGraphicsPixmapItem* pixmapItem;
+
+class qtDistortionDialog : public QDialog
+{
+	Q_OBJECT
+
+public:
+	qtDistortionDialog(QWidget *parent = 0, Qt::WFlags flags = 0);
+	~qtDistortionDialog();
+	bool updating;
+
+private:
+	Ui::DistortionDialogClass ui;
+
+public slots:
+    void on_btnComputeDistortionMap_clicked(){
+
+        int steps = 100;
+
+        //delete the pixmap if one previously existed
+        if(pixmapItem != NULL)
+            delete(pixmapItem);
+
+        //create an image
+        QImage image(steps, steps, QImage::Format_RGB888);
+
+        QColor color(255, 255, 0);
+
+
+        //compute the distortion map
+        float* distortionMap = (float*)malloc(sizeof(float) * steps * steps);
+        DistortionMap(distortionMap, steps);
+
+        //compute the extrema
+        float minDistortion = 99999;
+        float maxDistortion = distortionMap[0];
+        for(int i=1; i<steps*steps; i++){
+            if(distortionMap[i] < minDistortion && distortionMap[i] > 0)
+                minDistortion = distortionMap[i];
+            if(distortionMap[i] > maxDistortion)
+                maxDistortion = distortionMap[i];
+        }
+        cout<<minDistortion<<"----------"<<maxDistortion<<endl;
+
+        //compute the distortion map image
+        int i, o;
+        float intensity;
+        float v;
+        for(i=0; i<steps; i++)
+            for(o=0; o<steps; o++){
+                v = distortionMap[o * steps + i];
+                intensity = (v - minDistortion) / (maxDistortion - minDistortion) * 255;
+
+                if(intensity < 0) {cout<<"low intensity"<<endl; intensity = 0;}
+
+                //QColor color(intensity, (float)o / (float)steps * 255, (float)i / (float)steps * 255);
+                QColor color(intensity, intensity, intensity);
+                image.setPixel(o, (steps-1-i), color.rgb());
+            }
+
+        pixmapItem = new QGraphicsPixmapItem(QPixmap::fromImage(image));
+        distortionScene->addItem(pixmapItem);
+        distortionWindow->show();
+
+
+    }
+};
+
+#endif
--
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