From b8195d45820378e3d09225d9a291c4951816276d Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 4 Aug 2012 20:41:18 +0200
Subject: Initial import.

---
 src/outputwindow.cc | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 src/outputwindow.cc

(limited to 'src/outputwindow.cc')

diff --git a/src/outputwindow.cc b/src/outputwindow.cc
new file mode 100644
index 0000000..0f66a0b
--- /dev/null
+++ b/src/outputwindow.cc
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            outputwindow.cc
+ *
+ *  Sat Aug  4 13:44:41 CEST 2012
+ *  Copyright 2012 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of Kaiman.
+ *
+ *  Kaiman is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Kaiman is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with Kaiman; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "outputwindow.h"
+
+#include <QPixmap>
+#include <QPainter>
+
+#include <math.h>
+
+OutputWindow::OutputWindow()
+{
+  QPixmap img("gfx/kaiman.png");
+  //QPixmap img("gfx/arrow.png");
+  kaiman = img.toImage();
+  /*
+  QTransform t;
+  t.scale(0.2, 0.2);
+  kaiman = kaiman.transformed(t, Qt::SmoothTransformation);
+  */
+  connect(&timer, SIGNAL(timeout()), this, SLOT(timeout()));
+  timer.setSingleShot(true);
+  timer.start(25);
+
+  reset();
+}
+
+void OutputWindow::timeout()
+{
+  /*
+  x++;
+  y++;
+  r++;
+  */
+  repaint();
+  timer.start(25);
+}
+
+void OutputWindow::paintEvent(QPaintEvent *)
+{
+  //  sem.acquire();
+  QPainter p(this);
+
+  QTransform t;
+  t.rotate(-r + 90);
+  t.scale(100.0 / kaiman.width(), 100.0 / kaiman.width());
+  QImage img = kaiman.transformed(t, Qt::SmoothTransformation);
+  p.drawImage(x - img.width()/2, y - img.height()/2, img);
+
+  QPen pen(QColor(255,0,0,100));
+  pen.setWidth(4);
+  p.setPen(pen);
+  p.drawLines(points);
+
+  sem.release();
+}
+
+void OutputWindow::reset()
+{
+  points.clear();
+  x = width() / 2;
+  y = height() / 2;
+  r = 0;
+}
+
+static inline int sign(int x)
+{
+  if(x > 0) return 1;
+  return -1;
+}
+
+void OutputWindow::forward(int x)
+{
+  sem.acquire();
+  float target_x = sin(r * (M_PI / 180.0)) * x;
+  float target_y = cos(r * (M_PI / 180.0)) * x;
+
+  float source_x = this->x;
+  float source_y = this->y;
+
+  for(int i = 0; i < abs(x); i++) {
+    float d = (float)i / (float)x * sign(x);
+    this->x = source_x + target_x * d;
+    this->y = source_y + target_y * d;
+    points.append(QPointF(this->x, this->y));
+    sem.acquire();
+  }
+}
+
+void OutputWindow::turn(int x)
+{
+  sem.acquire();
+  for(int i = 0; i < abs(x) * 2; i++) {
+    this->r += sign(x) * 0.5;
+    sem.acquire();
+  }
+}
-- 
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