1 files changed, 138 insertions, 0 deletions
diff --git a/libkdchart/KDChartPlaneSeries.cpp b/libkdchart/KDChartPlaneSeries.cpp
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+++ b/libkdchart/KDChartPlaneSeries.cpp
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+/* -*- Mode: C++ -*-
+   KDChart - a multi-platform charting engine
+   */
+
+/****************************************************************************
+ ** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB.  All rights reserved.
+ **
+ ** This file is part of the KDChart library.
+ **
+ ** This file may be distributed and/or modified under the terms of the
+ ** GNU General Public License version 2 as published by the Free Software
+ ** Foundation and appearing in the file LICENSE.GPL included in the
+ ** packaging of this file.
+ **
+ ** Licensees holding valid commercial KDChart licenses may use this file in
+ ** accordance with the KDChart Commercial License Agreement provided with
+ ** the Software.
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ** See http://www.klaralvdalens-datakonsult.se/?page=products for
+ **   information about KDChart Commercial License Agreements.
+ **
+ ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
+ ** licensing are not clear to you.
+ **
+ **********************************************************************/
+
+
+#include "KDChartPlaneSeries.h"
+
+KDChartPlaneSeries::KDChartPlaneSeries( bool isX, double location )
+{
+    setXAxis(isX);
+    setLocation(location);
+}
+
+KDChartPlaneSeries::~KDChartPlaneSeries()
+{
+}
+
+
+uint KDChartPlaneSeries::rows() const
+{
+    return 2;
+}
+
+
+const KDChartData& KDChartPlaneSeries::cell( uint row ) const
+{
+    switch (row)
+    {
+        case 0: return _start;
+        case 1: return _stop;
+        default: Q_ASSERT(0);
+                 return _start;  // won't get here
+    }
+}
+
+void KDChartPlaneSeries::setCell( uint row, const KDChartData& element)
+{
+    Q_ASSERT(0);    // not possible
+    // avoid compiler warnings
+    row = (uint)element.doubleValue();
+}
+
+void KDChartPlaneSeries::expand( uint rows )
+{
+    Q_ASSERT(0);    // not possible
+    // avoid compiler warnings
+    rows = 0;
+}
+
+
+
+// NOW for our special API.
+bool KDChartPlaneSeries::isXAxis() const
+{
+    return _isX;
+}
+
+double KDChartPlaneSeries::location() const
+{
+    return _location;
+}
+
+void KDChartPlaneSeries::setXAxis( bool isX )
+{
+    _isX = isX;
+    update();
+}
+
+void KDChartPlaneSeries::setLocation( double location )
+{
+    _location = location;
+    update();
+}
+
+// this is the magic part of the class.
+// draw a line from DBL_MIN to DBL_MAX.
+void KDChartPlaneSeries::update()
+{
+    if ( _isX )
+    {
+        _start = KDChartData( DBL_MIN, _location );
+        _stop = KDChartData( DBL_MAX, _location );
+    }
+    else
+    {
+        _start = KDChartData( _location, DBL_MIN );
+        _stop = KDChartData( _location, DBL_MAX );
+    }
+}
+
+
+
+// we return !ok if its on the infinite axis
+double KDChartPlaneSeries::maxValue( int coordinate, bool &ok ) const
+{
+    // coordinate==0 is the x value...
+    // is not ok
+    if ( _isX == (coordinate==0) )
+    {
+        ok = false;
+        return 0;
+    }
+
+    ok = true;
+    return _location;
+}
+
+
+
+double KDChartPlaneSeries::minValue( int coordinate, bool &ok ) const
+{
+    return maxValue(coordinate,ok);
+}