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Kaydet (Commit) 753e4ce5 authored tarafından Caolán McNamara's avatar Caolán McNamara
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Resolves: rhbz#657628# divide by zero

üst 1231e74a
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Showing with 4 additions and 2 deletions
extensions/source/scanner/sanedlg.cxx
Dosyayı görüntüle @ 753e4ce5
......@@ -743,21 +743,23 @@ void SaneDlg::AcquirePreview()
maReslBox.SetValue( (ULONG)fResl );
if( mbDragEnable )
{
maPreviewRect = Rectangle( maTopLeft,
Size( maBottomRight.X() - maTopLeft.X(),
maBottomRight.Y() - maTopLeft.Y() )
);
}
else
{
Size aBMSize( maPreviewBitmap.GetSizePixel() );
if( aBMSize.Width() > aBMSize.Height() )
if( aBMSize.Width() > aBMSize.Height() && aBMSize.Width() )
{
int nVHeight = (maBottomRight.X() - maTopLeft.X()) * aBMSize.Height() / aBMSize.Width();
maPreviewRect = Rectangle( Point( maTopLeft.X(), ( maTopLeft.Y() + maBottomRight.Y() )/2 - nVHeight/2 ),
Size( maBottomRight.X() - maTopLeft.X(),
nVHeight ) );
}
else
else if (aBMSize.Height())
{
int nVWidth = (maBottomRight.Y() - maTopLeft.Y()) * aBMSize.Width() / aBMSize.Height();
maPreviewRect = Rectangle( Point( ( maTopLeft.X() + maBottomRight.X() )/2 - nVWidth/2, maTopLeft.Y() ),
......
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