mirror of
https://github.com/python-LimeReport/LimeReport.git
synced 2024-12-23 20:22:58 +03:00
350 lines
9.1 KiB
C++
350 lines
9.1 KiB
C++
#include "lraxisdata.h"
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#include <cmath>
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#include <QDebug>
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namespace LimeReport {
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AxisData::AxisData(AxisType type, QObject *parent)
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: QObject(parent), m_rangeMin(0), m_rangeMax(0),
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m_minValue(0), m_maxValue(0), m_step(0),
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m_delta(0), m_segmentCount(4), m_calculateAxisScale(false),
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m_reverseDirection(false), m_manualMaximum(0),
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m_manualMinimum(0), m_manualStep(0), m_isMaximumAutomatic(true),
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m_isMinimumAutomatic(true), m_isStepAutomatic(true),
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m_type(type)
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{
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}
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QString AxisData::toString() const
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{
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// Just for debug purposes
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QString str;
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QTextStream stream(&str);
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stream << "{ "
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<< "min: " << m_minValue << ", max: " << m_maxValue << ", step: " << m_step
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<< ", range min: " << m_rangeMin << ", range max: " << m_rangeMax << ", segments: " << m_segmentCount
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<< ", reverseDiection: " << m_reverseDirection << ", calculateAxisScale: " << m_calculateAxisScale
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<< ", manualMaxEnabled: " << !m_isMaximumAutomatic << ", manualMinEnabled: " << !m_isMinimumAutomatic
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<< ", manualStepEnabled: " << !m_isStepAutomatic << ", manualMax: " << m_manualMaximum
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<< ", manualMin: " << m_manualMinimum << ", manualStep: " << m_manualStep
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<< " }";
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return str;
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}
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void AxisData::copy(AxisData *other)
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{
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m_calculateAxisScale = other->calculateAxisScale();
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m_reverseDirection = other->reverseDirection();
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m_manualMaximum = other->manualMaximum();
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m_manualMinimum = other->manualMinimum();
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m_manualStep = other->manualStep();
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m_isMaximumAutomatic = other->isMaximumAutomatic();
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m_isMinimumAutomatic = other->isMinimumAutomatic();
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m_isStepAutomatic = other->isStepAutomatic();
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}
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void AxisData::update()
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{
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if (m_calculateAxisScale) {
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calculateRoundedAxisScale();
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} else {
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calculateSimpleAxisScale();
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}
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m_delta = m_step * m_segmentCount;
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// Update manual values if they are automatic
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if (m_isStepAutomatic) {
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m_manualStep = m_step;
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}
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if (m_isMinimumAutomatic) {
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m_manualMinimum = m_rangeMin;
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}
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if (m_isMaximumAutomatic) {
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m_manualMaximum = m_rangeMax;
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}
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}
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void AxisData::update(qreal minValue, qreal maxValue)
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{
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m_minValue = minValue;
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m_maxValue = maxValue;
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update();
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}
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void AxisData::updateForDesignMode()
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{
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m_minValue = 0;
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m_maxValue = 40;
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const bool tmp = m_calculateAxisScale;
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m_calculateAxisScale = false;
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update();
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m_calculateAxisScale = tmp;
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}
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int AxisData::segmentCount() const
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{
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return m_segmentCount;
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}
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bool AxisData::calculateAxisScale() const
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{
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return m_calculateAxisScale;
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}
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qreal AxisData::rangeMin() const
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{
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return m_rangeMin;
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}
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qreal AxisData::rangeMax() const
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{
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return m_rangeMax;
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}
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qreal AxisData::minValue() const
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{
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return m_minValue;
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}
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qreal AxisData::maxValue() const
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{
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return m_maxValue;
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}
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qreal AxisData::step() const
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{
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return m_step;
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}
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qreal AxisData::delta() const
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{
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return m_delta;
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}
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void AxisData::calculateRoundedAxisScale()
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{
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const int maximumSegmentCount = 10;
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bool calculateStep = isStepAutomatic();
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const bool calculateMinimum = isMinimumAutomatic();
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const bool calculateMaximum = isMaximumAutomatic();
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qreal temporaryMin = 0;
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qreal temporaryMax = 0;
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if (calculateMinimum) {
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temporaryMin = qMin(0.0, minValue());
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} else {
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temporaryMin = qMin(manualMinimum(), minValue());
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}
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if (calculateMaximum) {
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temporaryMax = maxValue();
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} else {
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temporaryMax = qMax(manualMaximum(), maxValue());
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}
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m_step = calculateStep ? 0 : manualStep();
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if (temporaryMax == temporaryMin) {
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if (temporaryMax == 0) {
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temporaryMax = 1;
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} else {
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temporaryMax *= 2;
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}
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}
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const qreal minAndMaxSpacingOffset = 0.95;
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qreal stepMagnitude = 0.0;
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qreal normalizedStep = 0.0;
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bool isStepNormalized = false;
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bool isLoopFinished = false;
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// Calculate until segment count is below maximum
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while( !isLoopFinished ) {
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if (calculateStep) {
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if(isStepNormalized) {
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if( normalizedStep == 1.0 ) {
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normalizedStep = 2.0;
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} else if( normalizedStep == 2.0 ) {
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normalizedStep = 5.0;
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} else {
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normalizedStep = 1.0;
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stepMagnitude *= 10;
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}
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} else {
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const double startingStep = (temporaryMax - temporaryMin) / maximumSegmentCount;
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const int exponent = static_cast< int >( floor( log10( startingStep ) ) );
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stepMagnitude = pow(10.0, static_cast<double>(exponent));
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normalizedStep = startingStep / stepMagnitude;
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if( normalizedStep <= 1.0 ) {
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normalizedStep = 1.0;
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} else if( normalizedStep <= 2.0 ) {
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normalizedStep = 2.0;
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} else if( normalizedStep <= 5.0 ) {
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normalizedStep = 5.0;
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} else {
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normalizedStep = 1.0;
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stepMagnitude *= 10;
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}
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isStepNormalized = true;
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}
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m_step = normalizedStep * stepMagnitude;
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}
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qreal currentAxisMinimum = temporaryMin;
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qreal currentAxisMaximum = temporaryMax;
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if (calculateMinimum) {
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currentAxisMinimum = calculateNewMinimum(currentAxisMinimum, m_step);
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const qreal currentDelta = currentAxisMaximum - currentAxisMinimum;
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const qreal actualDelta = currentAxisMaximum - minValue();
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if ((currentAxisMinimum != 0.0) && ((actualDelta / currentDelta) > minAndMaxSpacingOffset)) {
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currentAxisMinimum -= m_step;
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}
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}
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if (calculateMaximum) {
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currentAxisMaximum = calculateNewMaximum(currentAxisMaximum, m_step);
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const qreal currentDelta = currentAxisMaximum - currentAxisMinimum;
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const qreal actualDelta = maxValue() - currentAxisMinimum;
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if ((currentAxisMaximum != 0.0) && ((actualDelta / currentDelta) > minAndMaxSpacingOffset)) {
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currentAxisMaximum += m_step;
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}
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}
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m_segmentCount = static_cast<int>(round((currentAxisMaximum - currentAxisMinimum) / m_step));
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m_rangeMin = currentAxisMinimum;
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m_rangeMax = currentAxisMaximum;
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// Check also if step is correctly calucalted. It is possible for float steps that
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// there might be a difference. Recalculate the step in that case.
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const qreal tmpStep = (m_rangeMax - m_rangeMin) / m_segmentCount;
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isLoopFinished = m_segmentCount <= maximumSegmentCount && qFuzzyCompare(tmpStep, m_step);
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if (!isLoopFinished) {
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// Configured step may be invalid, calculating it automatically
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calculateStep = true;
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}
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}
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}
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void AxisData::calculateSimpleAxisScale()
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{
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qreal min = 0;
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if (m_minValue < 0) {
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min = minValue();
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}
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m_segmentCount = 4;
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const int delta = maxValue() - min;
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int max = delta;
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while (max % m_segmentCount != 0){
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max++;
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}
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m_rangeMax = minValue() + max;
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m_step = max / m_segmentCount;
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m_rangeMin = minValue();
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}
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double AxisData::calculateNewMinimum(qreal min, qreal step) const
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{
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if (step <= 0.0)
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return min;
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double ret = floor(min / step) * step;
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if (ret > min && !qFuzzyCompare(ret, min)) {
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ret -= step;
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}
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return ret;
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}
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double AxisData::calculateNewMaximum(qreal max, qreal step) const
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{
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if (step <= 0.0)
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return max;
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double ret = floor(max / step) * step;
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if (ret < max && !qFuzzyCompare(ret, max)) {
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ret += step;
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}
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return ret;
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}
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void AxisData::setCalculateAxisScale(bool newCalculateAxisScale)
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{
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m_calculateAxisScale = newCalculateAxisScale;
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}
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bool AxisData::reverseDirection() const
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{
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return m_reverseDirection;
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}
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void AxisData::setReverseDirection(bool reverseDirection)
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{
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m_reverseDirection = reverseDirection;
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}
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qreal AxisData::manualMaximum() const
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{
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return m_manualMaximum;
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}
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void AxisData::setManualMaximum(qreal newManualMaximum)
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{
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m_manualMaximum = newManualMaximum;
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}
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qreal AxisData::manualMinimum() const
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{
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return m_manualMinimum;
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}
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void AxisData::setManualMinimum(qreal newManualMinimum)
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{
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m_manualMinimum = newManualMinimum;
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}
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qreal AxisData::manualStep() const
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{
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return m_manualStep;
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}
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void AxisData::setManualStep(qreal newManualStep)
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{
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m_manualStep = newManualStep;
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}
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bool AxisData::isMaximumAutomatic() const
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{
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return m_isMaximumAutomatic;
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}
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void AxisData::setIsMaximumAutomatic(bool newIsMaximumAutomatic)
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{
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m_isMaximumAutomatic = newIsMaximumAutomatic;
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}
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bool AxisData::isMinimumAutomatic() const
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{
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return m_isMinimumAutomatic;
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}
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void AxisData::setIsMinimumAutomatic(bool newIsMinimumAutomatic)
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{
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m_isMinimumAutomatic = newIsMinimumAutomatic;
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}
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bool AxisData::isStepAutomatic() const
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{
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return m_isStepAutomatic;
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}
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void AxisData::setIsStepAutomatic(bool newIsStepAutomatic)
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{
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m_isStepAutomatic = newIsStepAutomatic;
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}
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AxisData::AxisType AxisData::type() const
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{
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return m_type;
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}
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}
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