31 lines
612 B
C++
31 lines
612 B
C++
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#include "canvaswidget.h"
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// Qt includes
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#include <QPainter>
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CanvasWidget::CanvasWidget(QWidget *parent) :
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QWidget(parent)
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{
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}
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void CanvasWidget::setImage(const QImage &image)
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{
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m_image = image;
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repaint();
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}
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void CanvasWidget::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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const double scale = std::min(double(width()) / m_image.width(),
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double(height()) / m_image.height());
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const QRect imageRect(QPoint(), m_image.size() * scale);
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QPainter painter;
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painter.begin(this);
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painter.drawImage(imageRect, m_image);
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painter.end();
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}
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