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