1 files changed, 61 insertions, 0 deletions
diff --git a/labb7/src/Point.cpp b/labb7/src/Point.cpp
new file mode 100644
index 0000000..be42b8b
--- /dev/null
+++ b/labb7/src/Point.cpp
@@ -0,0 +1,61 @@
+/*
+ * TDDD86 Pattern Recognition
+ * This file contains the implementation of the Point class.
+ * See Point.h for comments about each member.
+ * Your code should work properly with an unmodified version of this file.
+ */
+
+#include <limits>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <cmath>
+#include <QGraphicsEllipseItem>
+#include <QGraphicsLineItem>
+#include "Point.h"
+
+double Point::slopeTo(const Point& p) const {
+    if (x == p.x && y == p.y)
+        return  -std::numeric_limits<double>::infinity();
+    else if (y == p.y) // horizontal line segment
+        return 0.0;
+    else if (x == p.x) // vertical line segment
+        return  std::numeric_limits<double>::infinity();
+    else
+        return (static_cast<double>(p.y) - static_cast<double>(y)) /
+                (static_cast<double>(p.x) - static_cast<double>(x));
+}
+
+void Point::draw(QGraphicsScene *scene) const {
+    QGraphicsEllipseItem *item = new QGraphicsEllipseItem(x / (COORD_MAX + 1.0) * scene->width(),
+                                                          y / (COORD_MAX + 1.0) * scene->height(),
+                                                          1, 1);
+    item->setBrush(QBrush(QColor(255, 0, 0)));
+    scene->addItem(item);
+}
+
+void Point::lineTo(QGraphicsScene *scene, const Point& p) const {
+    QGraphicsLineItem *item = new QGraphicsLineItem(x / (COORD_MAX + 1.0) * scene->width(),
+                                                    y / (COORD_MAX + 1.0) * scene->height(),
+                                                    p.x / (COORD_MAX + 1.0) * scene->width(),
+                                                    p.y / (COORD_MAX + 1.0) * scene->height());
+    item->setPen(QPen(QColor(0, 0, 255), 0));
+    scene->addItem(item);
+}
+
+bool Point::operator<(const Point& other) const {
+    if (x == other.x)
+        return y < other.y;
+    else
+        return x < other.x;
+}
+
+bool Point::operator>(const Point& other) const
+{
+    return other < *this;
+}
+
+ostream& operator<<(std::ostream& out, const Point& p) {
+    out << "(" << p.x << ", " << p.y << ")";
+    return out;
+}