95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
#include "inputcurve.h"
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#include <QLabel>
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#include <QPushButton>
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#include <QPainter>
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#include "Curve.h"
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#include "dialogcurve.h"
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class CurveSmallPreview:public QWidget
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{
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public:
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CurveSmallPreview(QWidget* parent, Curve* curve, double xmin, double xmax, double ymin, double ymax) : QWidget(parent)
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{
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_curve = curve;
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_xmin = xmin;
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_xmax = xmax;
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_ymin = ymin;
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_ymax = ymax;
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}
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void paintEvent(QPaintEvent*)
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{
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if (!_curve)
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{
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return;
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}
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QPainter painter(this);
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int width = this->width();
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int height = this->height();
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double position, value, prev_value, next_value;
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painter.fillRect(rect(), QColor(255, 255, 255));
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for (int x = 0; x < width; x++)
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{
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painter.setPen(QColor(0, 0, 0));
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position = _xmin + (_xmax - _xmin) * (double)x / (double)(width - 1);
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value = (_curve->getValue(position) - _ymin) * (_ymax - _ymin);
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prev_value = (_curve->getValue(position - (_xmax - _xmin) / (double)(width - 1)) - _ymin) * (_ymax - _ymin);
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next_value = (_curve->getValue(position + (_xmax - _xmin) / (double)(width - 1)) - _ymin) * (_ymax - _ymin);
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painter.drawLine(x, height - 1 - (int)((value + (prev_value - value) / 2.0) * (double)(height - 1)), x, height - 1 - (int)((value + (next_value - value) / 2.0) * (double)(height - 1)));
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painter.drawPoint(x, height - 1 - (int)(value * (double)(height - 1)));
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}
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}
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Curve* _curve;
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double _xmin;
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double _xmax;
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double _ymin;
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double _ymax;
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};
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InputCurve::InputCurve(QWidget* form, QString label, Curve* value, double xmin, double xmax, double ymin, double ymax, QString xlabel, QString ylabel) : BaseInput(form, label)
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{
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_value = value;
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_xmin = xmin;
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_xmax = xmax;
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_ymin = ymin;
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_ymax = ymax;
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_xlabel = xlabel;
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_ylabel = ylabel;
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_preview = new CurveSmallPreview(form, value, xmin, xmax, ymin, ymax);
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_preview->setMinimumSize(100, 40);
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_control = new QPushButton(tr("Edit"), form);
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_control->setMaximumWidth(150);
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connect((QPushButton*)_control, SIGNAL(clicked()), this, SLOT(editCurve()));
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}
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void InputCurve::updatePreview()
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{
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_preview->update();
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BaseInput::updatePreview();
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}
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void InputCurve::applyValue()
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{
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BaseInput::applyValue();
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}
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void InputCurve::revert()
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{
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BaseInput::revert();
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}
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void InputCurve::editCurve()
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{
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if (DialogCurve::getCurve(_control, _value, _xmin, _xmax, _ymin, _ymax, _xlabel, _ylabel))
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{
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applyValue();
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}
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}
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