Initial commit

4 files changed, 140 insertions, 0 deletions

diff --git a/TriangleFractalChaos.cpp b/TriangleFractalChaos.cpp
new file mode 100644
index 0000000..daa3bd0
--- /dev/null
+++ b/TriangleFractalChaos.cpp
@@ -0,0 +1,92 @@
+#include "TriangleFractalChaos.h"
+#include <QPushButton>
+#include <QSpinBox>
+#include <QGridLayout>
+#include <QLabel>
+#include <QImage>
+#include <QTimer>
+#include <QPixmap>
+#include <cstdlib>
+
+TriangleFractalChaos::TriangleFractalChaos(QWidget *parent)
+    : QWidget(parent)
+{
+    dots = 0;
+    drawTimer = new QTimer(this);
+    connect(drawTimer, SIGNAL(timeout()), this, SLOT(drawDot()));
+    delayLabel = new QLabel("Delay:");
+    magnificationLabel = new QLabel("Magnification:");
+    delay = new QSpinBox;
+    delay->setMinimum(1);
+    delay->setValue(10);
+    delay->setSuffix(" ms");
+    magnification = new QSpinBox;
+    magnification->setMinimum(1);
+    magnification->setMaximum(10);
+    magnification->setValue(2);
+    magnification->setSuffix("x");
+    generate = new QPushButton("&Generate!");
+    connect(generate, SIGNAL(clicked()), this, SLOT(toggleDraw()));
+    QGridLayout *grid = new QGridLayout;
+    grid->setAlignment(Qt::AlignLeft | Qt::AlignTop);
+    grid->addWidget(delayLabel, 0, 0, Qt::AlignRight);
+    grid->addWidget(delay, 0, 1);
+    grid->addWidget(magnificationLabel, 1, 0, Qt::AlignRight);
+    grid->addWidget(magnification, 1, 1);
+    grid->addWidget(generate, 2, 0, 1, 2);
+    setLayout(grid);
+    resize(500, 500);
+    setWindowTitle("Triangle Fractal Chaos");
+}
+void TriangleFractalChaos::toggleDraw()
+{
+    static uint backgroundColor = palette().color(QPalette::Window).rgb();
+    if(delayLabel->isEnabled()) {
+	delayLabel->setEnabled(false);
+	delay->setEnabled(false);
+	magnificationLabel->setEnabled(false);
+	magnification->setEnabled(false);
+	generate->setText("&Stop");
+	setFixedSize(size());
+	int width = this->width();
+	int height = (int)((double)width * 1.73205081 / 2.0);
+	width /= (int)magnification->value();
+	height /= (int)magnification->value();
+	dots = new QImage(width, height, QImage::Format_RGB32);
+	dots->fill(backgroundColor);
+	startingPoints[0] = QPoint(width / 2 - 1, 0);
+	startingPoints[1] = QPoint(0, height - 1);
+	startingPoints[2] = QPoint(width - 1, height - 1);
+	dots->setPixel(startingPoints[0], 0xff00ff00);
+	dots->setPixel(startingPoints[1], 0xff00ff00);
+	dots->setPixel(startingPoints[2], 0xff00ff00);
+	lastPoint = QPoint(rand() % width + 1, rand() % height + 1);
+	dots->setPixel(lastPoint, 0xffff0000);
+	update();
+	drawTimer->start(delay->value());
+    } else {
+	drawTimer->stop();
+	delayLabel->setEnabled(true);
+	delay->setEnabled(true);
+	magnificationLabel->setEnabled(true);
+	magnification->setEnabled(true);
+	generate->setText("&Generate!");
+	setMinimumSize(0, 0);
+	setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
+    }
+}
+void TriangleFractalChaos::paintEvent(QPaintEvent *event)
+{
+    QWidget::paintEvent(event);
+    if(dots) {
+	QPalette palette;
+	palette.setBrush(backgroundRole(), QBrush(QPixmap::fromImage(dots->scaled(size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation))));
+	setPalette(palette);
+    }
+}
+void TriangleFractalChaos::drawDot()
+{
+    lastPoint = (lastPoint + startingPoints[rand() % 3]) / 2;
+    dots->setPixel(lastPoint, 0xff000000);
+    update();
+}
\ No newline at end of file
diff --git a/TriangleFractalChaos.h b/TriangleFractalChaos.h
new file mode 100644
index 0000000..5268e52
--- /dev/null
+++ b/TriangleFractalChaos.h
@@ -0,0 +1,34 @@
+#include <QWidget>
+class QTimer;
+class QSpinBox;
+class QLabel;
+class QPushButton;
+class QImage;
+class QPoint;
+
+class TriangleFractalChaos : public QWidget
+{
+    Q_OBJECT
+
+public:
+    TriangleFractalChaos(QWidget *parent = 0);
+    
+protected:
+    void paintEvent(QPaintEvent *event);
+
+private:
+    QSpinBox *magnification;
+    QLabel *magnificationLabel;
+    QSpinBox *delay;
+    QLabel *delayLabel;
+    QPushButton *generate;
+    QImage *dots;
+    QPoint startingPoints[3];
+    QPoint lastPoint;
+    QTimer *drawTimer;
+    void startDrawing();
+
+private slots:
+    void drawDot();
+    void toggleDraw();
+};
\ No newline at end of file
diff --git a/TriangleFractalChaos.pro b/TriangleFractalChaos.pro
new file mode 100644
index 0000000..1385bd9
--- /dev/null
+++ b/TriangleFractalChaos.pro
@@ -0,0 +1,4 @@
+TEMPLATE = app
+CONFIG += qt
+HEADERS += TriangleFractalChaos.h
+SOURCES += main.cpp TriangleFractalChaos.cpp
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..77fe711
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,10 @@
+#include <QApplication>
+#include "TriangleFractalChaos.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    TriangleFractalChaos window;
+    window.show();
+    return app.exec();
+}
\ No newline at end of file