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Fix the byte order of album cover art images sent over dbus on big endian machines. Thanks Paul Wells

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This commit is contained in:
David Sansome 2011-05-14 13:43:33 +00:00
parent c9a0318553
commit dfb0289987
1 changed files with 20 additions and 1 deletions
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21
src/widgets/osd_x11.cpp
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@ -37,7 +37,26 @@ QDBusArgument& operator<< (QDBusArgument& arg, const QImage& image) {
return arg; return arg;
} }
QImage scaled = image.scaledToHeight(100, Qt::SmoothTransformation); QImage scaled = image.scaledToHeight(100, Qt::SmoothTransformation);
QImage i = scaled.convertToFormat(QImage::Format_ARGB32).rgbSwapped();
scaled = scaled.convertToFormat(QImage::Format_ARGB32);
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
// ABGR -> ARGB
QImage i = scaled.rgbSwapped();
#else
// ABGR -> GBAR
QImage i(scaled.size(), scaled.format());
for (int y = 0; y < i.height(); ++y) {
QRgb* p = (QRgb*) scaled.scanLine(y);
QRgb* q = (QRgb*) i.scanLine(y);
QRgb* end = p + scaled.width();
while (p < end) {
*q = qRgba(qGreen(*p), qBlue(*p), qAlpha(*p), qRed(*p));
p++;
q++;
}
}
#endif
arg.beginStructure(); arg.beginStructure();
arg << i.width(); arg << i.width();
arg << i.height(); arg << i.height();