paysages3d/gui_qt/inputnoise.cpp

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#include "inputnoise.h"
#include <QLabel>
#include <QPushButton>
#include <QPainter>
#include <QColorDialog>
#include "dialognoise.h"
class NoiseSmallPreview:public QWidget
{
public:
NoiseSmallPreview(QWidget* parent, NoiseGenerator* noise):
QWidget(parent),
noise(noise)
{
}
void paintEvent(QPaintEvent*)
{
if (!noise)
{
return;
}
QPainter painter(this);
int width = this->width();
int height = this->height();
double value, factor;
double minvalue, maxvalue;
noiseGetRange(noise, &minvalue, &maxvalue);
for (int x = 0; x < width; x++)
{
factor = ((double)(height / 2)) / maxvalue;
value = -noiseGet1DTotal(noise, ((double)x) / factor) * factor;
painter.setPen(Qt::white);
painter.drawLine(x, 0, x, height / 2 + value);
painter.setPen(Qt::black);
painter.drawLine(x, height / 2 + value + 1, x, height);
}
}
NoiseGenerator* noise;
};
InputNoise::InputNoise(QWidget* form, QString label, NoiseGenerator* value):
BaseInput(form, label),
_value(value)
{
_preview = new NoiseSmallPreview(form, value);
_preview->setMinimumSize(100, 40);
_control = new QPushButton(tr("Edit"), form);
_control->setMaximumWidth(150);
connect((QPushButton*)_control, SIGNAL(clicked()), this, SLOT(editNoise()));
}
void InputNoise::updatePreview()
{
_preview->update();
BaseInput::updatePreview();
}
void InputNoise::applyValue()
{
BaseInput::applyValue();
}
void InputNoise::revert()
{
BaseInput::revert();
}
void InputNoise::editNoise()
{
if (DialogNoise::getNoise(_control, _value))
{
applyValue();
}
}