[Digikam-devel] [Bug 207710] Crash while loading large file (Digikam::DImgScale::dimgScaleAARGB, Digikam::DImg::smoothScaleSection, Digikam::DImgInterface::paintOnDevice)

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=207710





--- Comment #23 from Gilles Caulier <caulier gilles gmail com>  2010-08-17 11:12:27 ---
Using : http://pub.lindenmeier.com/360Paris.jpg

Loading to showfoto and swith on Fit To Screen zoom option crash the program :

#0  0xb7be24a4 in Digikam::DImgScale::dimgScaleAARGB (isi=0x91b9e38,
dest=0x93dbbf8, dxx=0, dyy=0, dx=0, dy=0, dw=128, dh=
    35, dow=128, sow=36678) at
/home/gilles/Documents/Devel/SVN/trunk/graphics/digikam/libs/dimg/dimgscale.cpp:1211
#1  0xb7bdeea4 in Digikam::DImg::smoothScaleSection (this=0x81f0004, sx=0,
sy=0, sw=6153, sh=1686, dw=128, dh=35)
    at
/home/gilles/Documents/Devel/SVN/trunk/graphics/digikam/libs/dimg/dimgscale.cpp:261
#2  0xb7e6f18b in Digikam::DImgInterface::paintOnDevice (this=0x82119a0,
p=0x849cb28, sx=0, sy=0, sw=6153, sh=6153, dx=0, dy=
    0, dw=128, dh=128)
    at
/home/gilles/Documents/Devel/SVN/trunk/graphics/digikam/utilities/imageeditor/canvas/dimginterface.cpp:687
#3  0xb7e7816c in Digikam::Canvas::paintViewport (this=0x8260890, er=...,
antialias=true)
    at
/home/gilles/Documents/Devel/SVN/trunk/graphics/digikam/utilities/imageeditor/canvas/canvas.cpp:647
#4  0xb7e7719c in Digikam::Canvas::viewportPaintEvent (this=0x8260890,
e=0xbfffc3d4)

The image is very large. It's a panoramic view. I suspect a rounding problem
there when scaling down is processed.

Gilles Caulier

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