45 lines
1 KiB
C++
45 lines
1 KiB
C++
#include "emulator.h"
|
|
|
|
#include <QMdiSubWindow>
|
|
|
|
#include <cmath>
|
|
|
|
Emulator::Emulator(QWidget *parent) :
|
|
QFrame(parent)
|
|
{
|
|
setupUi(this);
|
|
}
|
|
|
|
void Emulator::redrawScreen()
|
|
{
|
|
video->update();
|
|
}
|
|
|
|
void Emulator::setVideoSize(QMdiSubWindow * window, const QSize & size)
|
|
{
|
|
window->showNormal();
|
|
|
|
// assume the extra space between widget and border is not affected by a resize
|
|
const QSize gap = window->size() - video->size();
|
|
window->resize(size + gap);
|
|
}
|
|
|
|
void Emulator::setZoom(QMdiSubWindow * window, const int x)
|
|
{
|
|
const QSize target = video->minimumSize() * x;
|
|
setVideoSize(window, target);
|
|
}
|
|
|
|
void Emulator::set43AspectRatio(QMdiSubWindow * window)
|
|
{
|
|
// keep the same surface with 4:3 aspect ratio
|
|
const QSize & size = video->size();
|
|
const double area = size.height() * size.width();
|
|
|
|
const int numerator = 35; // 7 * 40
|
|
const int denominator = 24; // 8 * 24
|
|
|
|
const int x = sqrt(area / (numerator * denominator));
|
|
const QSize target(numerator * x, denominator * x);
|
|
setVideoSize(window, target);
|
|
}
|