54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#include "stretchpanel.h"
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#include <QVBoxLayout>
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StretchPanel::StretchPanel(QWidget *parent) : QWidget(parent)
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{
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QVBoxLayout *layout = new QVBoxLayout(this);
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setLayout(layout);
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m_lowSlider = new QSlider(Qt::Horizontal, this);
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m_highSlider = new QSlider(Qt::Horizontal, this);
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m_paramSlider = new QSlider(Qt::Horizontal, this);
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m_lowSlider->setRange(0, UINT16_MAX);
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m_highSlider->setRange(0, UINT16_MAX);
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m_highSlider->setValue(UINT16_MAX);
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m_paramSlider->setRange(0, UINT16_MAX);
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m_stretchSelect = new QComboBox(this);
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m_stretchSelect->addItems({tr("Linear"), tr("Square root"), tr("Power"), tr("Logarithm"), tr("Asinh")});
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layout->addWidget(m_lowSlider);
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layout->addWidget(m_highSlider);
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layout->addWidget(m_paramSlider);
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layout->addWidget(m_stretchSelect);
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connect(m_lowSlider, SIGNAL(valueChanged(int)), this, SIGNAL(lowChanged(int)));
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connect(m_highSlider, SIGNAL(valueChanged(int)), this, SIGNAL(highChanged(int)));
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connect(m_paramSlider, SIGNAL(valueChanged(int)), this, SLOT(calculateParam()));
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connect(m_stretchSelect, SIGNAL(activated(int)), this, SIGNAL(stretchChanged(int)));
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connect(m_stretchSelect, SIGNAL(activated(int)), this, SLOT(calculateParam()));
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}
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void StretchPanel::calculateParam()
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{
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float val = m_paramSlider->value();
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float param;
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switch(m_stretchSelect->currentIndex())
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{
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case 2:
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param = val*100/UINT16_MAX;
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break;
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case 3:
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param = val;
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break;
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case 4:
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val += 100;
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param = val/100.0f;
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break;
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default:
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return;
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}
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emit paramChanged(param);
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}
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