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Center align pixmaps in a high DPR friendly way

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This commit is contained in:
David Edmundson 2015-03-11 17:16:49 +01:00
parent adeaab9745
commit 78cb2cf14a
1 changed files with 4 additions and 7 deletions
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11
src/panels/information/pixmapviewer.cpp
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@ -23,6 +23,7 @@
#include <QPainter>
#include <QPixmap>
#include <QStyle>
PixmapViewer::PixmapViewer(QWidget* parent, Transition transition) :
QWidget(parent),
@ -94,9 +95,6 @@ void PixmapViewer::paintEvent(QPaintEvent* event)
const int scaledWidth = static_cast<int>((m_oldPixmap.width() * (1.0 - value)) + (m_pixmap.width() * value));
const int scaledHeight = static_cast<int>((m_oldPixmap.height() * (1.0 - value)) + (m_pixmap.height() * value));
const int x = (width() - scaledWidth ) / 2;
const int y = (height() - scaledHeight) / 2;
const bool useOldPixmap = (m_transition == SizeTransition) &&
(m_oldPixmap.width() > m_pixmap.width());
const QPixmap& largePixmap = useOldPixmap ? m_oldPixmap : m_pixmap;
@ -105,12 +103,11 @@ void PixmapViewer::paintEvent(QPaintEvent* event)
scaledHeight,
Qt::IgnoreAspectRatio,
Qt::FastTransformation);
painter.drawPixmap(x, y, scaledPixmap);
style()->drawItemPixmap(&painter, rect(), Qt::AlignCenter, scaledPixmap);
}
} else {
const int x = (width() - m_pixmap.width() ) / 2;
const int y = (height() - m_pixmap.height()) / 2;
painter.drawPixmap(x, y, m_pixmap);
style()->drawItemPixmap(&painter, rect(), Qt::AlignCenter, m_pixmap);
}
}