From 2d8b0edb4ad4ff83d874f96d1e9ac6d8149da71e Mon Sep 17 00:00:00 2001
From: Benjo <benjamin.kraft@online.de>
Date: Thu, 3 Feb 2022 09:35:50 +0100
Subject: [PATCH] more setup

---
 headers/MainWindow.h   |  2 +-
 headers/Mandelbrot.h   | 17 +++++++++++++++++
 headers/OutputWidget.h |  7 ++++++-
 src/Mandelbrot.cpp     | 14 ++++++++++++++
 src/OutputWidget.cpp   | 14 +++++++++-----
 5 files changed, 47 insertions(+), 7 deletions(-)
 create mode 100644 headers/Mandelbrot.h
 create mode 100644 src/Mandelbrot.cpp

diff --git a/headers/MainWindow.h b/headers/MainWindow.h
index 1007800..ea0a868 100644
--- a/headers/MainWindow.h
+++ b/headers/MainWindow.h
@@ -12,7 +12,7 @@ private slots:
 private:
 	void buildUI();
 
-	OutputWidget* outputWidget = new OutputWidget;
+	OutputWidget* outputWidget = new OutputWidget(this);
 };
 
 
diff --git a/headers/Mandelbrot.h b/headers/Mandelbrot.h
new file mode 100644
index 0000000..374dc12
--- /dev/null
+++ b/headers/Mandelbrot.h
@@ -0,0 +1,17 @@
+
+#pragma once
+
+#include <QVector2D>
+#include <QOpenGLFunctions>
+
+class Mandelbrot : protected QOpenGLFunctions {
+public:
+	Mandelbrot();
+	void draw();
+	void zoom(double);
+private:
+	double scale;
+	QVector2D translation;
+};
+
+
diff --git a/headers/OutputWidget.h b/headers/OutputWidget.h
index d9f98f6..7c0b6cf 100644
--- a/headers/OutputWidget.h
+++ b/headers/OutputWidget.h
@@ -5,9 +5,12 @@
 #include <QWidget>
 #include <QOpenGLFunctions>
 #include <QOpenGLWidget>
+#include "Mandelbrot.h"
 
-class OutputWidget : public QOpenGLWidget, public QOpenGLFunctions {
+class OutputWidget : public QOpenGLWidget, protected QOpenGLFunctions {
 	Q_OBJECT
+public:
+	explicit OutputWidget(QWidget* parent): QOpenGLWidget(parent) {};
 private:
 	void initializeGL() override;
 	void paintGL() override;
@@ -18,6 +21,8 @@ private:
 	void mousePressEvent(QMouseEvent*) override;
 	void mouseReleaseEvent(QMouseEvent*) override;
 	void keyPressEvent(QKeyEvent*) override;
+
+	Mandelbrot mandelbrot;
 };
 
 
diff --git a/src/Mandelbrot.cpp b/src/Mandelbrot.cpp
new file mode 100644
index 0000000..53405f7
--- /dev/null
+++ b/src/Mandelbrot.cpp
@@ -0,0 +1,14 @@
+
+#include "../headers/Mandelbrot.h"
+
+Mandelbrot::Mandelbrot() {
+	initializeOpenGLFunctions();
+}
+
+void Mandelbrot::draw() {
+
+}
+
+void Mandelbrot::zoom(double delta) {
+
+}
diff --git a/src/OutputWidget.cpp b/src/OutputWidget.cpp
index 2ffd040..b6f2ed2 100644
--- a/src/OutputWidget.cpp
+++ b/src/OutputWidget.cpp
@@ -2,19 +2,23 @@
 #include <iostream>
 #include "../headers/OutputWidget.h"
 
+using std::cout, std::endl;
+
 void OutputWidget::initializeGL() {
+	cout << "Initialize OpenGL" << endl;
 	initializeOpenGLFunctions();
-	std::cout << "Initialize GL" << std::endl;
+
 	auto format = this->format();
-	std::cout << "OpenGL version: " <<
+	cout << "OpenGL version: " <<
 		format.majorVersion() << "." << format.minorVersion()
-	<< std::endl;
+	<< endl;
 
-	::glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
+	glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
 }
 
 void OutputWidget::paintGL() {
-
+	glClear(GL_COLOR_BUFFER_BIT);
+	mandelbrot.draw();
 }
 
 void OutputWidget::resizeGL(int w, int h) {