Initial commit

Canvas.cpp

@@ -0,0 +1,83 @@
+#include "Canvas.h"
+void Canvas::changeMode(Mode _mode)
+{
+	mode = _mode;
+}
+
+void Canvas::mousePressEvent(QMouseEvent* event)
+{
+	QPointF scene = event->pos();
+
+#ifdef _DEBUG
+	qDebug() << "Scene point in" << scene.x() << scene.y();
+	changeMode(DrawingLine);
+#endif
+	
+	if (mode == DrawingLine) {
+		if (!current_line) {
+			current_line = new Line();
+			double* x1 = new double(scene.x());
+			double* y1 = new double(scene.y());
+
+			double* x2 = new double(scene.x());
+			double* y2 = new double(scene.y());
+
+			params.push_back(x1);
+			params.push_back(y1);
+
+			current_line->p1.x = x1;
+			current_line->p1.y = y1;
+			current_line->p2.x = x2;
+			current_line->p2.y = y2;
+		}
+		else {
+			*current_line->p2.x = scene.x();
+			*current_line->p2.y = scene.y();
+
+			params.push_back(current_line->p2.x);
+			params.push_back(current_line->p2.y);
+
+			lines.append(current_line);
+			current_line = nullptr;
+		}
+
+//#ifdef _DEBUG
+//		if (lines.size()) {
+//			qDebug() << "Line coords" << lines[lines.size() - 1]->p1.get_X() <<
+//				lines[lines.size() - 1]->p1.get_Y() <<
+//				lines[lines.size() - 1]->p2.get_X() <<
+//				lines[lines.size() - 1]->p2.get_Y();
+//			changeMode(None);
+//		}
+//#endif		
+
+	}
+
+}
+
+Canvas::Canvas(QWidget *parent)
+	: QWidget(parent)
+{
+	current_line = nullptr;
+	setMouseTracking(true);
+	setBackgroundRole(QPalette::Base);
+	setAutoFillBackground(true);
+}
+
+Canvas::~Canvas()
+{
+	for (Line* line : lines) {
+		delete line;
+	}
+
+	for (double* param : params) {
+		delete param;
+	}
+
+	lines.clear();
+	params.clear();
+
+	if (current_line) 
+		delete current_line;
+}
+