68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
/*
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* Copyright (c) 2015, RPTU Kaiserslautern-Landau
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors:
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* Janik Schlemminger
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* Robert Gernhardt
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* Matthias Jung
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*/
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#include "clkgrid.h"
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#include <iostream>
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#include <qwt_interval.h>
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#include <qwt_scale_div.h>
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using namespace std;
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void ClkGrid::updateScaleDiv(const QwtScaleDiv& xMap, const QwtScaleDiv& yMap)
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{
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QwtScaleDiv scaleDiv;
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scaleDiv.setInterval(xMap.interval());
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double min = xMap.interval().minValue();
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double max = xMap.interval().maxValue();
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if (min > max)
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qSwap(min, max);
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if ((max - min) < maxVisibility)
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{
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min = static_cast<long long>(min / clkPeriod) * clkPeriod;
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QList<double> ticks;
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for (double tick = min; tick <= max; tick += clkPeriod)
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ticks += tick;
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scaleDiv.setTicks(QwtScaleDiv::MajorTick, ticks);
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}
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QwtPlotGrid::updateScaleDiv(scaleDiv, yMap);
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}
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