[Qt-interest] QImage mirror crash

[Richard Baron Penman]

if I ignore the output of mirrored() and use the original image it
doesn't crash:
image.mirrored()

However if I try to use the output then it crashes:
image = image.mirrored()


On 12/9/08, Benjamin <ikipou at gmail.com> wrote:
> On Linux I have no problem with mirrored. Seeing your code should help
>  to find the problem.
>
>  2008/12/9 Richard Baron Penman <richardbp+qt at gmail.com>:
>
> > hello,
>  >
>  > I want to flip a QImage and until now have been using the following method:
>  >
>  >>    QRect rectDisplay(0, 0, m_displayWidth, m_displayHeight);
>  >>    painter.scale(1, -1);
>  >>    painter.translate(0, -rectDisplay.height());
>  >>    painter.drawImage(rectDisplay, m_Image);
>  >
>  > This has worked fine. I noticed that QImage has a mirrored() function
>  > that should achieve the same effect with arguments of (true, false). I
>  > would like to clean up my code and use this instead, but when I try it
>  > my program crashes.
>  > Are there known problems with QImage::mirrored()?
>  >
>  > FYI: Qt 4.4.2, XP SP2
>  >
>  > Richard
>
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